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Geant4/visualization/management/src/G4ViewParameters.cc

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Differences between /visualization/management/src/G4ViewParameters.cc (Version 11.3.0) and /visualization/management/src/G4ViewParameters.cc (Version 3.2)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                    <<   3 // * DISCLAIMER                                                       *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th <<   5 // * The following disclaimer summarizes all the specific disclaimers *
  6 // * the Geant4 Collaboration.  It is provided <<   6 // * of contributors to this software. The specific disclaimers,which *
  7 // * conditions of the Geant4 Software License <<   7 // * govern, are listed with their locations in:                      *
  8 // * LICENSE and available at  http://cern.ch/ <<   8 // *   http://cern.ch/geant4/license                                  *
  9 // * include a list of copyright holders.      << 
 10 // *                                                9 // *                                                                  *
 11 // * Neither the authors of this software syst     10 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     11 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     12 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     13 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                               15 // *                                                                  *
 18 // * This  code  implementation is the result  <<  16 // * This  code  implementation is the  intellectual property  of the *
 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
 20 // * By using,  copying,  modifying or  distri <<  18 // * By copying,  distributing  or modifying the Program (or any work *
 21 // * any work based  on the software)  you  ag <<  19 // * based  on  the Program)  you indicate  your  acceptance of  this *
 22 // * use  in  resulting  scientific  publicati <<  20 // * statement, and all its terms.                                    *
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25 //                                                 22 //
 26 //                                                 23 //
                                                   >>  24 // $Id: G4ViewParameters.cc,v 1.12.2.1 2001/06/28 19:16:14 gunter Exp $
                                                   >>  25 // GEANT4 tag $Name:  $
 27 //                                                 26 //
 28 //                                                 27 // 
 29 // John Allison  19th July 1996                    28 // John Allison  19th July 1996
 30 // View parameters and options.                    29 // View parameters and options.
 31                                                    30 
 32 #include "G4ViewParameters.hh"                     31 #include "G4ViewParameters.hh"
 33                                                    32 
 34 #include "G4VisManager.hh"                         33 #include "G4VisManager.hh"
 35 #include "G4VPhysicalVolume.hh"                << 
 36 #include "G4UnitsTable.hh"                         34 #include "G4UnitsTable.hh"
 37 #include "G4SystemOfUnits.hh"                  <<  35 #include "G4ios.hh"
 38 #include "G4Polyhedron.hh"                     << 
 39                                                << 
 40 #include <sstream>                             << 
 41 #include <cmath>                               << 
 42                                                << 
 43 #define G4warn G4cout                          << 
 44                                                    36 
 45 G4ViewParameters::G4ViewParameters ():             37 G4ViewParameters::G4ViewParameters ():
 46   fDrawingStyle (wireframe),                       38   fDrawingStyle (wireframe),
 47   fNumberOfCloudPoints(10000),                 <<  39   fRepStyle (polyhedron),
 48   fAuxEdgeVisible (false),                     << 
 49   fCulling (true),                                 40   fCulling (true),
 50   fCullInvisible (true),                           41   fCullInvisible (true),
 51   fDensityCulling (false),                         42   fDensityCulling (false),
 52   fVisibleDensity (0.01 * g / cm3),                43   fVisibleDensity (0.01 * g / cm3),
 53   fCullCovered (false),                            44   fCullCovered (false),
 54   fCBDAlgorithmNumber (0),                     << 
 55   fSection (false),                                45   fSection (false),
 56   fSectionPlane (),                                46   fSectionPlane (),
 57   fCutawayMode (cutawayUnion),                 <<  47   fCutaway (false),
 58   fCutawayPlanes (),                               48   fCutawayPlanes (),
                                                   >>  49   fExplode (false),
 59   fExplodeFactor (1.),                             50   fExplodeFactor (1.),
 60   fNoOfSides (),                               <<  51   fNoOfSides (24),
 61   fViewpointDirection (G4Vector3D (0., 0., 1.)     52   fViewpointDirection (G4Vector3D (0., 0., 1.)),  // On z-axis.
 62   fUpVector (G4Vector3D (0., 1., 0.)),             53   fUpVector (G4Vector3D (0., 1., 0.)),            // y-axis up.
 63   fFieldHalfAngle (0.),                            54   fFieldHalfAngle (0.),                           // Orthogonal projection.
 64   fZoomFactor (1.),                                55   fZoomFactor (1.),
 65   fScaleFactor (G4Vector3D (1., 1., 1.)),      << 
 66   fCurrentTargetPoint (),                          56   fCurrentTargetPoint (),
 67   fDolly (0.),                                     57   fDolly (0.),
 68   fLightsMoveWithCamera (false),                   58   fLightsMoveWithCamera (false),
 69   fRelativeLightpointDirection (G4Vector3D (1.     59   fRelativeLightpointDirection (G4Vector3D (1., 1., 1.)),
 70   fActualLightpointDirection (G4Vector3D (1.,      60   fActualLightpointDirection (G4Vector3D (1., 1., 1.)),
                                                   >>  61   fViewGeom (true),
                                                   >>  62   fViewHits (true),
                                                   >>  63   fViewDigis (true),
 71   fDefaultVisAttributes (),                        64   fDefaultVisAttributes (),
 72   fDefaultTextVisAttributes (G4Colour (0., 0.,     65   fDefaultTextVisAttributes (G4Colour (0., 0., 1.)),
 73   fDefaultMarker (),                               66   fDefaultMarker (),
 74   fGlobalMarkerScale (1.),                         67   fGlobalMarkerScale (1.),
 75   fGlobalLineWidthScale (1.),                  << 
 76   fMarkerNotHidden (true),                         68   fMarkerNotHidden (true),
 77   fWindowSizeHintX (600),                          69   fWindowSizeHintX (600),
 78   fWindowSizeHintY (600),                          70   fWindowSizeHintY (600),
 79   fWindowLocationHintX(0),                     <<  71   fAutoRefresh (false)
 80   fWindowLocationHintY(0),                     << 
 81   fWindowLocationHintXNegative(true),          << 
 82   fWindowLocationHintYNegative(false),         << 
 83   fGeometryMask(0),                            << 
 84   fAutoRefresh (false),                        << 
 85   fBackgroundColour (G4Colour(0.,0.,0.)),      << 
 86   fPicking (false),                            << 
 87   fRotationStyle (constrainUpDirection),       << 
 88   fStartTime(-G4VisAttributes::fVeryLongTime), << 
 89   fEndTime(G4VisAttributes::fVeryLongTime),    << 
 90   fFadeFactor(0.),                             << 
 91   fDisplayHeadTime(false),                     << 
 92   fDisplayHeadTimeX(-0.9),                     << 
 93   fDisplayHeadTimeY(-0.9),                     << 
 94   fDisplayHeadTimeSize(24.),                   << 
 95   fDisplayHeadTimeRed(0.),                     << 
 96   fDisplayHeadTimeGreen(1.),                   << 
 97   fDisplayHeadTimeBlue(1.),                    << 
 98   fDisplayLightFront(false),                   << 
 99   fDisplayLightFrontX(0.),                     << 
100   fDisplayLightFrontY(0.),                     << 
101   fDisplayLightFrontZ(0.),                     << 
102   fDisplayLightFrontT(0.),                     << 
103   fDisplayLightFrontRed(0.),                   << 
104   fDisplayLightFrontGreen(1.),                 << 
105   fDisplayLightFrontBlue(0.),                  << 
106   fSpecialMeshRendering(false),                << 
107   fSpecialMeshRenderingOption(meshAsDefault)   << 
108 {                                                  72 {
109   // Pick up default no of sides from G4Polyhe << 
110   // Note that this parameter is variously cal << 
111   //   No of sides                             << 
112   //   NumberOfRotationSteps                   << 
113   //   Line segments per circle                << 
114   // It refers to the approximation of a circl << 
115   // stated number of sides.                   << 
116   fNoOfSides = G4Polyhedron::GetNumberOfRotati << 
117                                                << 
118   fDefaultMarker.SetScreenSize (5.);               73   fDefaultMarker.SetScreenSize (5.);
119   // Markers are 5 pixels "overall" size, i.e. <<  74   // Markers are 5 pixels radius, 10 pixels diameter.
120 }                                                  75 }
121                                                    76 
122 G4ViewParameters::~G4ViewParameters () {}      <<  77 G4ViewParameters::~G4ViewParameters () {
123                                                <<  78 // Clear cutaway planes?  Rogue Wave probably destroys OK.
124 void G4ViewParameters::MultiplyScaleFactor     << 
125 (const G4Vector3D& scaleFactorMultiplier) {    << 
126   fScaleFactor.setX(fScaleFactor.x() * scaleFa << 
127   fScaleFactor.setY(fScaleFactor.y() * scaleFa << 
128   fScaleFactor.setZ(fScaleFactor.z() * scaleFa << 
129 }                                                  79 }
130                                                    80 
131 G4Vector3D& G4ViewParameters::GetActualLightpo     81 G4Vector3D& G4ViewParameters::GetActualLightpointDirection () {
132   SetViewAndLights (fViewpointDirection);          82   SetViewAndLights (fViewpointDirection);
133   return fActualLightpointDirection;               83   return fActualLightpointDirection;
134 }                                                  84 }
135                                                    85 
136 // Useful quantities - begin snippet.              86 // Useful quantities - begin snippet.
137 // Here Follow functions to evaluate the above     87 // Here Follow functions to evaluate the above algorithms as a
138 // function of the radius of the Bounding Sphe     88 // function of the radius of the Bounding Sphere of the object being
139 // viewed.  Call them in the order given - for     89 // viewed.  Call them in the order given - for efficiency, later
140 // functions depend on the results of earlier      90 // functions depend on the results of earlier ones (Store the
141 // results of earlier functions in your own te     91 // results of earlier functions in your own temporary variables -
142 // see, for example, G4OpenGLView::SetView ().     92 // see, for example, G4OpenGLView::SetView ().)
143                                                    93 
144 G4double G4ViewParameters::GetCameraDistance (     94 G4double G4ViewParameters::GetCameraDistance (G4double radius) const {
145   G4double cameraDistance;                         95   G4double cameraDistance;
146   if (fFieldHalfAngle == 0.) {                     96   if (fFieldHalfAngle == 0.) {
147     cameraDistance = radius;                       97     cameraDistance = radius;
148   }                                                98   }
149   else {                                           99   else {
150     cameraDistance = radius / std::sin (fField << 100     cameraDistance = radius / sin (fFieldHalfAngle) - fDolly;
151   }                                               101   }
152   return cameraDistance;                          102   return cameraDistance;
153 }                                                 103 }
154                                                   104 
155 G4double G4ViewParameters::GetNearDistance (G4    105 G4double G4ViewParameters::GetNearDistance (G4double cameraDistance,
156               G4double radius) const {            106               G4double radius) const {
157   const G4double small = 1.e-6 * radius;          107   const G4double small = 1.e-6 * radius;
158   G4double nearDistance = cameraDistance - rad    108   G4double nearDistance = cameraDistance - radius;
159   if (nearDistance < small) nearDistance = sma    109   if (nearDistance < small) nearDistance = small;
160   return nearDistance;                            110   return nearDistance;
161 }                                                 111 }
162                                                   112 
163 G4double G4ViewParameters::GetFarDistance (G4d    113 G4double G4ViewParameters::GetFarDistance (G4double cameraDistance,
164              G4double nearDistance,               114              G4double nearDistance,
165              G4double radius) const {             115              G4double radius) const {
166   G4double farDistance = cameraDistance + radi    116   G4double farDistance = cameraDistance + radius;
167   if (farDistance < nearDistance) farDistance     117   if (farDistance < nearDistance) farDistance = nearDistance;
168   return farDistance;                             118   return farDistance;
169 }                                                 119 }
170                                                   120 
171 G4double G4ViewParameters::GetFrontHalfHeight     121 G4double G4ViewParameters::GetFrontHalfHeight (G4double nearDistance,
172                  G4double radius) const {         122                  G4double radius) const {
173   G4double frontHalfHeight;                       123   G4double frontHalfHeight;
174   if (fFieldHalfAngle == 0.) {                    124   if (fFieldHalfAngle == 0.) {
175     frontHalfHeight = radius / fZoomFactor;       125     frontHalfHeight = radius / fZoomFactor;
176   }                                               126   }
177   else {                                          127   else {
178     frontHalfHeight = nearDistance * std::tan  << 128     frontHalfHeight = nearDistance * tan (fFieldHalfAngle) / fZoomFactor;
179   }                                               129   }
180   return frontHalfHeight;                         130   return frontHalfHeight;
181 }                                                 131 }
182 // Useful quantities - end snippet.               132 // Useful quantities - end snippet.
183                                                   133 
184 void G4ViewParameters::AddCutawayPlane (const     134 void G4ViewParameters::AddCutawayPlane (const G4Plane3D& cutawayPlane) {
                                                   >> 135   fCutaway = true;
185   if (fCutawayPlanes.size () < 3 ) {              136   if (fCutawayPlanes.size () < 3 ) {
186     fCutawayPlanes.push_back (cutawayPlane);      137     fCutawayPlanes.push_back (cutawayPlane);
187   }                                               138   }
188   else {                                          139   else {
189     G4warn <<                                  << 140     G4cerr << "A maximum of 3 cutaway planes supported." << G4endl;
190       "ERROR: G4ViewParameters::AddCutawayPlan << 
191       "\n  A maximum of 3 cutaway planes suppo << 
192   }                                               141   }
193 }                                                 142 }
194                                                   143 
195 void G4ViewParameters::ChangeCutawayPlane      << 144 void G4ViewParameters::ClearCutawayPlanes () {
196 (size_t index, const G4Plane3D& cutawayPlane)  << 145   fCutaway = false;
197   if (index >= fCutawayPlanes.size()) {        << 146   fCutawayPlanes.clear ();
198     G4warn <<                                  << 
199       "ERROR: G4ViewParameters::ChangeCutawayP << 
200       "\n  Plane " << index << " does not exis << 
201   } else {                                     << 
202     fCutawayPlanes[index] = cutawayPlane;      << 
203   }                                            << 
204 }                                                 147 }
205                                                   148 
206 void G4ViewParameters::SetVisibleDensity (G4do    149 void G4ViewParameters::SetVisibleDensity (G4double visibleDensity) {
207   const G4double reasonableMaximum = 10.0 * g     150   const G4double reasonableMaximum = 10.0 * g / cm3;
208   if (visibleDensity < 0) {                       151   if (visibleDensity < 0) {
209     G4warn << "G4ViewParameters::SetVisibleDen << 152     G4cout << "G4ViewParameters::SetVisibleDensity: attempt to set negative "
210       "density - ignored." << G4endl;             153       "density - ignored." << G4endl;
211   }                                               154   }
212   else {                                          155   else {
213     if (visibleDensity > reasonableMaximum) {     156     if (visibleDensity > reasonableMaximum) {
214       G4warn << "G4ViewParameters::SetVisibleD << 157       G4cout << "G4ViewParameters::SetVisibleDensity: density > "
215        << G4BestUnit (reasonableMaximum, "Volu    158        << G4BestUnit (reasonableMaximum, "Volumic Mass")
216        << " - did you mean this?"                 159        << " - did you mean this?"
217        << G4endl;                                 160        << G4endl;
218     }                                             161     }
219     fVisibleDensity = visibleDensity;             162     fVisibleDensity = visibleDensity;
220   }                                               163   }
221 }                                                 164 }
222                                                   165 
223 G4int G4ViewParameters::SetNoOfSides (G4int nS << 166 void G4ViewParameters::SetNoOfSides (G4int nSides) {
224   const G4int nSidesMin = fDefaultVisAttribute << 167   const G4int  nSidesMin = 3;
225   if (nSides < nSidesMin) {                       168   if (nSides < nSidesMin) {
226     nSides = nSidesMin;                           169     nSides = nSidesMin;
227     G4warn << "G4ViewParameters::SetNoOfSides: << 170     G4cout << "G4ViewParameters::SetNoOfSides: attempt to set the"
228     "\nnumber of sides per circle < " << nSide << 171       "\nnumber of sides per circle < " << nSidesMin
229     << "; forced to " << nSides << G4endl;     << 172    << "; forced to" << nSides << G4endl;
230   }                                               173   }
231   fNoOfSides = nSides;                            174   fNoOfSides = nSides;
232   return fNoOfSides;                           << 
233 }                                              << 
234                                                << 
235 G4int G4ViewParameters::SetNumberOfCloudPoints << 
236   const G4int nPointsMin = 100;                << 
237   if (nPoints < nPointsMin) {                  << 
238     nPoints = nPointsMin;                      << 
239     G4warn << "G4ViewParameters::SetNumberOfCl << 
240     "\nnumber of points per cloud set to minim << 
241     << G4endl;                                 << 
242   }                                            << 
243   fNumberOfCloudPoints = nPoints;              << 
244   return fNumberOfCloudPoints;                 << 
245 }                                                 175 }
246                                                   176 
247 void G4ViewParameters::SetViewAndLights           177 void G4ViewParameters::SetViewAndLights
248 (const G4Vector3D& viewpointDirection) {          178 (const G4Vector3D& viewpointDirection) {
249                                                << 
250   fViewpointDirection = viewpointDirection;       179   fViewpointDirection = viewpointDirection;
251                                                << 
252   // If the requested viewpoint direction is p << 
253   // vector, the orientation of the view is un << 
254   if (fViewpointDirection.unit() * fUpVector.u << 
255     static G4bool firstTime = true;            << 
256     if (firstTime) {                           << 
257       firstTime = false;                       << 
258       G4warn <<                                << 
259       "WARNING: Viewpoint direction is very cl << 
260       "\n  Change the up vector or \"/vis/view << 
261       << G4endl;                               << 
262     }                                          << 
263   }                                            << 
264                                                << 
265   // Move the lights too if requested...       << 
266   if (fLightsMoveWithCamera) {                    180   if (fLightsMoveWithCamera) {
267     G4Vector3D zprime = fViewpointDirection.un << 181   G4Vector3D zprime = fViewpointDirection.unit ();
268     G4Vector3D xprime = (fUpVector.cross (zpri << 182   G4Vector3D xprime = (fUpVector.cross (zprime)).unit ();
269     G4Vector3D yprime = zprime.cross (xprime); << 183   G4Vector3D yprime = zprime.cross (xprime);
270     fActualLightpointDirection =               << 184    fActualLightpointDirection =
271       fRelativeLightpointDirection.x () * xpri << 185      fRelativeLightpointDirection.x () * xprime +
272       fRelativeLightpointDirection.y () * ypri << 186      fRelativeLightpointDirection.y () * yprime +
273       fRelativeLightpointDirection.x () * zpri << 187      fRelativeLightpointDirection.x () * zprime;     
274   } else {                                     << 188   }
                                                   >> 189   else {
275     fActualLightpointDirection = fRelativeLigh    190     fActualLightpointDirection = fRelativeLightpointDirection;
276   }                                               191   }
277 }                                                 192 }
278                                                   193 
279 void G4ViewParameters::SetLightpointDirection     194 void G4ViewParameters::SetLightpointDirection
280 (const G4Vector3D& lightpointDirection) {         195 (const G4Vector3D& lightpointDirection) {
281   fRelativeLightpointDirection = lightpointDir    196   fRelativeLightpointDirection = lightpointDirection;
282   SetViewAndLights (fViewpointDirection);         197   SetViewAndLights (fViewpointDirection);
283 }                                                 198 }
284                                                   199 
285 void G4ViewParameters::SetPan (G4double right,    200 void G4ViewParameters::SetPan (G4double right, G4double up) {
286   G4Vector3D unitRight = (fUpVector.cross (fVi    201   G4Vector3D unitRight = (fUpVector.cross (fViewpointDirection)).unit();
287   G4Vector3D unitUp    = (fViewpointDirection.    202   G4Vector3D unitUp    = (fViewpointDirection.cross (unitRight)).unit();
288   fCurrentTargetPoint  = right * unitRight + u    203   fCurrentTargetPoint  = right * unitRight + up * unitUp;
289 }                                                 204 }
290                                                   205 
291 void G4ViewParameters::IncrementPan (G4double     206 void G4ViewParameters::IncrementPan (G4double right, G4double up) {
292   IncrementPan (right,up, 0);                  << 
293 }                                              << 
294                                                << 
295 void G4ViewParameters::IncrementPan (G4double  << 
296   G4Vector3D unitRight = (fUpVector.cross (fVi    207   G4Vector3D unitRight = (fUpVector.cross (fViewpointDirection)).unit();
297   G4Vector3D unitUp    = (fViewpointDirection.    208   G4Vector3D unitUp    = (fViewpointDirection.cross (unitRight)).unit();
298   fCurrentTargetPoint += right * unitRight + u << 209   fCurrentTargetPoint += right * unitRight + up * unitUp;
299 }                                              << 
300                                                << 
301 void G4ViewParameters::AddVisAttributesModifie << 
302 (const G4ModelingParameters::VisAttributesModi << 
303   // If target exists with same signifier just << 
304   G4bool duplicateTarget = false;              << 
305   auto i = fVisAttributesModifiers.begin();    << 
306   for (; i < fVisAttributesModifiers.end(); ++ << 
307     if (vam.GetPVNameCopyNoPath() == (*i).GetP << 
308         vam.GetVisAttributesSignifier() == (*i << 
309       duplicateTarget = true;                  << 
310       break;                                   << 
311     }                                          << 
312   }                                            << 
313   if (duplicateTarget) (*i).SetVisAttributes(v << 
314   else fVisAttributesModifiers.push_back(vam); << 
315 }                                              << 
316                                                << 
317 G4String G4ViewParameters::CameraAndLightingCo << 
318 (const G4Point3D standardTargetPoint) const    << 
319 {                                              << 
320   std::ostringstream oss;                      << 
321                                                << 
322   oss << "#\n# Camera and lights commands";    << 
323                                                << 
324   oss << "\n/vis/viewer/set/viewpointVector "  << 
325   << fViewpointDirection.x()                   << 
326   << ' ' << fViewpointDirection.y()            << 
327   << ' ' << fViewpointDirection.z();           << 
328                                                << 
329   oss << "\n/vis/viewer/set/upVector "         << 
330   << fUpVector.x()                             << 
331   << ' ' << fUpVector.y()                      << 
332   << ' ' << fUpVector.z();                     << 
333                                                << 
334   oss << "\n/vis/viewer/set/projection ";      << 
335     if (fFieldHalfAngle == 0.) {               << 
336     oss                                        << 
337     << "orthogonal";                           << 
338   } else {                                     << 
339     oss                                        << 
340     << "perspective "                          << 
341     << fFieldHalfAngle/deg                     << 
342     << " deg";                                 << 
343   }                                            << 
344                                                << 
345   oss << "\n/vis/viewer/zoomTo "               << 
346   << fZoomFactor;                              << 
347                                                << 
348   oss << "\n/vis/viewer/scaleTo "              << 
349   << fScaleFactor.x()                          << 
350   << ' ' << fScaleFactor.y()                   << 
351   << ' ' << fScaleFactor.z();                  << 
352                                                << 
353   oss << "\n/vis/viewer/set/targetPoint "      << 
354   << G4BestUnit(standardTargetPoint+fCurrentTa << 
355   << "\n# Note that if you have not set a targ << 
356   << "\n# a target point based on the scene -  << 
357   << "\n# so don't be alarmed by strange coord << 
358                                                << 
359   oss << "\n/vis/viewer/dollyTo "              << 
360   << G4BestUnit(fDolly,"Length");              << 
361                                                << 
362   oss << "\n/vis/viewer/set/lightsMove ";      << 
363   if (fLightsMoveWithCamera) {                 << 
364     oss << "camera";                           << 
365   } else {                                     << 
366     oss << "object";                           << 
367   }                                            << 
368                                                << 
369   oss << "\n/vis/viewer/set/lightsVector "     << 
370   << fRelativeLightpointDirection.x()          << 
371   << ' ' << fRelativeLightpointDirection.y()   << 
372   << ' ' << fRelativeLightpointDirection.z();  << 
373                                                << 
374   oss << "\n/vis/viewer/set/rotationStyle ";   << 
375   if (fRotationStyle == constrainUpDirection)  << 
376     oss << "constrainUpDirection";             << 
377   } else {                                     << 
378     oss << "freeRotation";                     << 
379   }                                            << 
380                                                << 
381   G4Colour c = fBackgroundColour;              << 
382   oss << "\n/vis/viewer/set/background "       << 
383   << c.GetRed()                                << 
384   << ' ' << c.GetGreen()                       << 
385   << ' ' << c.GetBlue()                        << 
386   << ' ' << c.GetAlpha();                      << 
387                                                << 
388   c = fDefaultVisAttributes.GetColour();       << 
389   oss << "\n/vis/viewer/set/defaultColour "    << 
390   << c.GetRed()                                << 
391   << ' ' << c.GetGreen()                       << 
392   << ' ' << c.GetBlue()                        << 
393   << ' ' << c.GetAlpha();                      << 
394                                                << 
395   c = fDefaultTextVisAttributes.GetColour();   << 
396   oss << "\n/vis/viewer/set/defaultTextColour  << 
397   << c.GetRed()                                << 
398   << ' ' << c.GetGreen()                       << 
399   << ' ' << c.GetBlue()                        << 
400   << ' ' << c.GetAlpha();                      << 
401                                                << 
402   oss << std::endl;                            << 
403                                                << 
404   return oss.str();                            << 
405 }                                              << 
406                                                << 
407 G4String G4ViewParameters::DrawingStyleCommand << 
408 {                                              << 
409   std::ostringstream oss;                      << 
410                                                << 
411   oss << "#\n# Drawing style commands";        << 
412                                                << 
413   oss << "\n/vis/viewer/set/style ";           << 
414   switch (fDrawingStyle) {                     << 
415     case wireframe:                            << 
416     case hlr:                                  << 
417       oss << "wireframe";                      << 
418       break;                                   << 
419     case hsr:                                  << 
420     case hlhsr:                                << 
421       oss << "surface";                        << 
422       break;                                   << 
423     case cloud:                                << 
424       oss << "cloud";                          << 
425       break;                                   << 
426   }                                            << 
427                                                << 
428   oss << "\n/vis/viewer/set/hiddenEdge ";      << 
429   if (fDrawingStyle == hlr || fDrawingStyle == << 
430     oss << "true";                             << 
431   } else {                                     << 
432     oss << "false";                            << 
433   }                                            << 
434                                                << 
435   oss << "\n/vis/viewer/set/auxiliaryEdge ";   << 
436   if (fAuxEdgeVisible) {                       << 
437     oss << "true";                             << 
438   } else {                                     << 
439     oss << "false";                            << 
440   }                                            << 
441                                                << 
442   oss << "\n/vis/viewer/set/hiddenMarker ";    << 
443   if (fMarkerNotHidden) {                      << 
444     oss << "false";                            << 
445   } else {                                     << 
446     oss << "true";                             << 
447   }                                            << 
448                                                << 
449   oss << "\n/vis/viewer/set/globalLineWidthSca << 
450   << fGlobalLineWidthScale;                    << 
451                                                << 
452   oss << "\n/vis/viewer/set/globalMarkerScale  << 
453   << fGlobalMarkerScale;                       << 
454                                                << 
455   oss << "\n/vis/viewer/set/numberOfCloudPoint << 
456   << fNumberOfCloudPoints;                     << 
457                                                << 
458   oss << "\n/vis/viewer/set/specialMeshRenderi << 
459   if (fSpecialMeshRendering) {                 << 
460     oss << "true";                             << 
461   } else {                                     << 
462     oss << "false";                            << 
463   }                                            << 
464                                                << 
465   oss << "\n/vis/viewer/set/specialMeshRenderi << 
466   << fSpecialMeshRenderingOption;              << 
467                                                << 
468   oss << "\n/vis/viewer/set/specialMeshVolumes << 
469   for (const auto& volume : fSpecialMeshVolume << 
470     oss << ' ' << volume.GetName() << ' ' << v << 
471   }                                            << 
472                                                << 
473   oss << std::endl;                            << 
474                                                << 
475   return oss.str();                            << 
476 }                                              << 
477                                                << 
478 G4String G4ViewParameters::SceneModifyingComma << 
479 {                                              << 
480   std::ostringstream oss;                      << 
481                                                << 
482   oss << "#\n# Scene-modifying commands";      << 
483                                                << 
484   oss << "\n/vis/viewer/set/culling global ";  << 
485   if (fCulling) {                              << 
486     oss << "true";                             << 
487   } else {                                     << 
488     oss << "false";                            << 
489   }                                            << 
490                                                << 
491   oss << "\n/vis/viewer/set/culling invisible  << 
492   if (fCullInvisible) {                        << 
493     oss << "true";                             << 
494   } else {                                     << 
495     oss << "false";                            << 
496   }                                            << 
497                                                << 
498   oss << "\n/vis/viewer/set/culling density "; << 
499   if (fDensityCulling) {                       << 
500     oss << "true " << fVisibleDensity/(g/cm3)  << 
501   } else {                                     << 
502     oss << "false";                            << 
503   }                                            << 
504                                                << 
505   oss << "\n/vis/viewer/set/culling coveredDau << 
506   if (fCullCovered) {                          << 
507     oss << "true";                             << 
508   } else {                                     << 
509     oss << "false";                            << 
510   }                                            << 
511                                                << 
512   oss << "\n/vis/viewer/colourByDensity "      << 
513   << fCBDAlgorithmNumber << " g/cm3";          << 
514   for (auto p: fCBDParameters) {               << 
515     oss << ' ' << p/(g/cm3);                   << 
516   }                                            << 
517                                                << 
518   oss << "\n/vis/viewer/set/sectionPlane ";    << 
519   if (fSection) {                              << 
520     oss << "on "                               << 
521     << G4BestUnit(fSectionPlane.point(),"Lengt << 
522     << fSectionPlane.normal().x()              << 
523     << ' ' << fSectionPlane.normal().y()       << 
524     << ' ' << fSectionPlane.normal().z();      << 
525   } else {                                     << 
526     oss << "off";                              << 
527   }                                            << 
528                                                << 
529   oss << "\n/vis/viewer/set/cutawayMode ";     << 
530   if (fCutawayMode == cutawayUnion) {          << 
531     oss << "union";                            << 
532   } else {                                     << 
533     oss << "intersection";                     << 
534   }                                            << 
535                                                << 
536   oss << "\n/vis/viewer/clearCutawayPlanes";   << 
537   if (fCutawayPlanes.size()) {                 << 
538     for (size_t i = 0; i < fCutawayPlanes.size << 
539       oss << "\n/vis/viewer/addCutawayPlane "  << 
540       << G4BestUnit(fCutawayPlanes[i].point(), << 
541       << fCutawayPlanes[i].normal().x()        << 
542       << ' ' << fCutawayPlanes[i].normal().y() << 
543       << ' ' << fCutawayPlanes[i].normal().z() << 
544     }                                          << 
545   } else {                                     << 
546     oss << "\n# No cutaway planes defined.";   << 
547   }                                            << 
548                                                << 
549   oss << "\n/vis/viewer/set/explodeFactor "    << 
550   << fExplodeFactor                            << 
551   << ' ' << G4BestUnit(fExplodeCentre,"Length" << 
552                                                << 
553   oss << "\n/vis/viewer/set/lineSegmentsPerCir << 
554   << fNoOfSides;                               << 
555                                                << 
556   oss << std::endl;                            << 
557                                                << 
558   return oss.str();                            << 
559 }                                              << 
560                                                << 
561 G4String G4ViewParameters::TouchableCommands() << 
562 {                                              << 
563   std::ostringstream oss;                      << 
564                                                << 
565   oss << "#\n# Touchable commands";            << 
566                                                << 
567   const std::vector<G4ModelingParameters::VisA << 
568     fVisAttributesModifiers;                   << 
569                                                << 
570   if (vams.empty()) {                          << 
571     oss                                        << 
572     << "\n# None"                              << 
573     << "\n/vis/viewer/clearVisAttributesModifi << 
574     oss << std::endl;                          << 
575     return oss.str();                          << 
576   }                                            << 
577                                                << 
578   oss                                          << 
579   << "\n/vis/viewer/clearVisAttributesModifier << 
580                                                << 
581   G4ModelingParameters::PVNameCopyNoPath lastP << 
582   std::vector<G4ModelingParameters::VisAttribu << 
583     iModifier;                                 << 
584   for (iModifier = vams.begin();               << 
585        iModifier != vams.end();                << 
586        ++iModifier) {                          << 
587     const G4ModelingParameters::PVNameCopyNoPa << 
588       iModifier->GetPVNameCopyNoPath();        << 
589     if (vamPath != lastPath) {                 << 
590       lastPath = vamPath;                      << 
591       oss << "\n/vis/set/touchable";           << 
592       G4ModelingParameters::PVNameCopyNoPathCo << 
593       for (iVAM = vamPath.begin();             << 
594            iVAM != vamPath.end();              << 
595            ++iVAM) {                           << 
596         oss << ' ' << iVAM->GetName() << ' ' < << 
597       }                                        << 
598     }                                          << 
599     const G4VisAttributes& vamVisAtts = iModif << 
600     const G4Colour& c = vamVisAtts.GetColour() << 
601     switch (iModifier->GetVisAttributesSignifi << 
602       case G4ModelingParameters::VASVisibility << 
603         oss << "\n/vis/touchable/set/visibilit << 
604         if (vamVisAtts.IsVisible()) {          << 
605           oss << "true";                       << 
606         } else {                               << 
607           oss << "false";                      << 
608         }                                      << 
609         break;                                 << 
610       case G4ModelingParameters::VASDaughtersI << 
611         oss << "\n/vis/touchable/set/daughters << 
612         if (vamVisAtts.IsDaughtersInvisible()) << 
613           oss << "true";                       << 
614         } else {                               << 
615           oss << "false";                      << 
616         }                                      << 
617         break;                                 << 
618       case G4ModelingParameters::VASColour:    << 
619         oss << "\n/vis/touchable/set/colour "  << 
620         << c.GetRed()                          << 
621         << ' ' << c.GetGreen()                 << 
622         << ' ' << c.GetBlue()                  << 
623         << ' ' << c.GetAlpha();                << 
624         break;                                 << 
625       case G4ModelingParameters::VASLineStyle: << 
626         oss << "\n/vis/touchable/set/lineStyle << 
627         switch (vamVisAtts.GetLineStyle()) {   << 
628           case G4VisAttributes::unbroken:      << 
629             oss << "unbroken";                 << 
630             break;                             << 
631           case G4VisAttributes::dashed:        << 
632             oss << "dashed";                   << 
633             break;                             << 
634           case G4VisAttributes::dotted:        << 
635           oss << "dotted";                     << 
636         }                                      << 
637         break;                                 << 
638       case G4ModelingParameters::VASLineWidth: << 
639         oss << "\n/vis/touchable/set/lineWidth << 
640         << vamVisAtts.GetLineWidth();          << 
641         break;                                 << 
642       case G4ModelingParameters::VASForceWiref << 
643         if (vamVisAtts.IsForceDrawingStyle())  << 
644           if (vamVisAtts.GetForcedDrawingStyle << 
645             oss << "\n/vis/touchable/set/force << 
646             if (vamVisAtts.IsForceDrawingStyle << 
647               oss << "true";                   << 
648             } else {                           << 
649               oss << "false";                  << 
650             }                                  << 
651           }                                    << 
652         }                                      << 
653         break;                                 << 
654       case G4ModelingParameters::VASForceSolid << 
655         if (vamVisAtts.IsForceDrawingStyle())  << 
656           if (vamVisAtts.GetForcedDrawingStyle << 
657             oss << "\n/vis/touchable/set/force << 
658             if (vamVisAtts.IsForceDrawingStyle << 
659               oss << "true";                   << 
660             } else {                           << 
661               oss << "false";                  << 
662             }                                  << 
663           }                                    << 
664         }                                      << 
665         break;                                 << 
666       case G4ModelingParameters::VASForceCloud << 
667         if (vamVisAtts.IsForceDrawingStyle())  << 
668           if (vamVisAtts.GetForcedDrawingStyle << 
669             oss << "\n/vis/touchable/set/force << 
670             if (vamVisAtts.IsForceDrawingStyle << 
671               oss << "true";                   << 
672             } else {                           << 
673               oss << "false";                  << 
674             }                                  << 
675           }                                    << 
676         }                                      << 
677         break;                                 << 
678       case G4ModelingParameters::VASForceAuxEd << 
679         if (vamVisAtts.IsForceAuxEdgeVisible() << 
680           oss << "\n/vis/touchable/set/forceAu << 
681           if (vamVisAtts.IsForcedAuxEdgeVisibl << 
682             oss << "true";                     << 
683           } else {                             << 
684             oss << "false";                    << 
685           }                                    << 
686         }                                      << 
687         break;                                 << 
688       case G4ModelingParameters::VASForceLineS << 
689         oss << "\n/vis/touchable/set/lineSegme << 
690         << vamVisAtts.GetForcedLineSegmentsPer << 
691         break;                                 << 
692       case G4ModelingParameters::VASForceNumbe << 
693         oss << "\n/vis/touchable/set/numberOfC << 
694         << vamVisAtts.GetForcedNumberOfCloudPo << 
695         break;                                 << 
696     }                                          << 
697   }                                            << 
698                                                << 
699   oss << std::endl;                            << 
700                                                << 
701   return oss.str();                            << 
702 }                                              << 
703                                                << 
704 G4String G4ViewParameters::TimeWindowCommands( << 
705 {                                              << 
706   std::ostringstream oss;                      << 
707                                                << 
708   oss <<  "#\n# Time window commands";         << 
709                                                << 
710   oss                                          << 
711   << "\n/vis/viewer/set/timeWindow/startTime " << 
712   << fStartTime/ns << " ns ";                  << 
713                                                << 
714   oss                                          << 
715   << "\n/vis/viewer/set/timeWindow/endTime "   << 
716   << fEndTime/ns << " ns ";                    << 
717                                                << 
718   oss << "\n/vis/viewer/set/timeWindow/fadeFac << 
719   << fFadeFactor;                              << 
720                                                << 
721   oss                                          << 
722   << "\n/vis/viewer/set/timeWindow/displayHead << 
723   if (!fDisplayHeadTime) {                     << 
724     oss << "false";                            << 
725   } else {                                     << 
726     oss                                        << 
727     << "true"                                  << 
728     << ' ' << fDisplayHeadTimeX                << 
729     << ' ' << fDisplayHeadTimeY                << 
730     << ' ' << fDisplayHeadTimeSize             << 
731     << ' ' << fDisplayHeadTimeRed              << 
732     << ' ' << fDisplayHeadTimeGreen            << 
733     << ' ' << fDisplayHeadTimeBlue;            << 
734   }                                            << 
735                                                << 
736   oss                                          << 
737   << "\n/vis/viewer/set/timeWindow/displayLigh << 
738   if (!fDisplayLightFront) {                   << 
739     oss << "false";                            << 
740   } else {                                     << 
741     oss                                        << 
742     << "true"                                  << 
743     << ' ' << fDisplayLightFrontX/mm           << 
744     << ' ' << fDisplayLightFrontY/mm           << 
745     << ' ' << fDisplayLightFrontZ/mm           << 
746     << " mm"                                   << 
747     << ' ' << fDisplayLightFrontT/ns           << 
748     << " ns"                                   << 
749     << ' ' << fDisplayLightFrontRed            << 
750     << ' ' << fDisplayLightFrontGreen          << 
751     << ' ' << fDisplayLightFrontBlue;          << 
752   }                                            << 
753                                                << 
754   oss << std::endl;                            << 
755                                                << 
756   return oss.str();                            << 
757 }                                                 210 }
758                                                   211 
759 void G4ViewParameters::PrintDifferences (const    212 void G4ViewParameters::PrintDifferences (const G4ViewParameters& v) const {
760                                                   213 
761   // Put performance-sensitive parameters firs    214   // Put performance-sensitive parameters first.
762   if (                                            215   if (
763       // This first to optimise spin, etc.        216       // This first to optimise spin, etc.
764       (fViewpointDirection   != v.fViewpointDi    217       (fViewpointDirection   != v.fViewpointDirection)   ||
765                                                   218 
766       // No particular order from here on.        219       // No particular order from here on.
767       (fDrawingStyle         != v.fDrawingStyl    220       (fDrawingStyle         != v.fDrawingStyle)         ||
768       (fNumberOfCloudPoints  != v.fNumberOfClo << 221       (fRepStyle             != v.fRepStyle)             ||
769       (fAuxEdgeVisible       != v.fAuxEdgeVisi << 
770       (fCulling              != v.fCulling)       222       (fCulling              != v.fCulling)              ||
771       (fCullInvisible        != v.fCullInvisib    223       (fCullInvisible        != v.fCullInvisible)        ||
772       (fDensityCulling       != v.fDensityCull    224       (fDensityCulling       != v.fDensityCulling)       ||
773       (fVisibleDensity       != v.fVisibleDens    225       (fVisibleDensity       != v.fVisibleDensity)       ||
774       (fCullCovered          != v.fCullCovered    226       (fCullCovered          != v.fCullCovered)          ||
775       (fCBDAlgorithmNumber   != v.fCBDAlgorith << 
776       (fSection              != v.fSection)       227       (fSection              != v.fSection)              ||
                                                   >> 228       (fCutaway              != v.fCutaway)              || 
                                                   >> 229       (fExplode              != v.fExplode)              ||
777       (fNoOfSides            != v.fNoOfSides)     230       (fNoOfSides            != v.fNoOfSides)            ||
778       (fUpVector             != v.fUpVector)      231       (fUpVector             != v.fUpVector)             ||
779       (fFieldHalfAngle       != v.fFieldHalfAn    232       (fFieldHalfAngle       != v.fFieldHalfAngle)       ||
780       (fZoomFactor           != v.fZoomFactor)    233       (fZoomFactor           != v.fZoomFactor)           ||
781       (fScaleFactor          != v.fScaleFactor << 
782       (fCurrentTargetPoint   != v.fCurrentTarg    234       (fCurrentTargetPoint   != v.fCurrentTargetPoint)   ||
783       (fDolly                != v.fDolly)         235       (fDolly                != v.fDolly)                ||
784       (fRelativeLightpointDirection != v.fRela    236       (fRelativeLightpointDirection != v.fRelativeLightpointDirection)  ||
785       (fLightsMoveWithCamera != v.fLightsMoveW    237       (fLightsMoveWithCamera != v.fLightsMoveWithCamera) ||
                                                   >> 238       (fViewGeom             != v.fViewGeom)             ||
                                                   >> 239       (fViewHits             != v.fViewHits)             ||
                                                   >> 240       (fViewDigis            != v.fViewDigis)            ||
786       (fDefaultVisAttributes != v.fDefaultVisA    241       (fDefaultVisAttributes != v.fDefaultVisAttributes) ||
787       (fDefaultTextVisAttributes != v.fDefault    242       (fDefaultTextVisAttributes != v.fDefaultTextVisAttributes) ||
788       (fDefaultMarker        != v.fDefaultMark    243       (fDefaultMarker        != v.fDefaultMarker)        ||
789       (fGlobalMarkerScale    != v.fGlobalMarke    244       (fGlobalMarkerScale    != v.fGlobalMarkerScale)    ||
790       (fGlobalLineWidthScale != v.fGlobalLineW << 
791       (fMarkerNotHidden      != v.fMarkerNotHi    245       (fMarkerNotHidden      != v.fMarkerNotHidden)      ||
792       (fWindowSizeHintX      != v.fWindowSizeH << 
793       (fWindowSizeHintY      != v.fWindowSizeH    246       (fWindowSizeHintY      != v.fWindowSizeHintY)      ||
794       (fXGeometryString      != v.fXGeometrySt << 247       (fAutoRefresh          != v.fAutoRefresh))
795       (fGeometryMask         != v.fGeometryMas << 
796       (fAutoRefresh          != v.fAutoRefresh << 
797       (fBackgroundColour     != v.fBackgroundC << 
798       (fPicking              != v.fPicking)    << 
799       (fRotationStyle        != v.fRotationSty << 
800       )                                        << 
801     G4cout << "Difference in 1st batch." << G4    248     G4cout << "Difference in 1st batch." << G4endl;
802                                                   249 
803   if (fCBDAlgorithmNumber > 0) {               << 
804     if (fCBDParameters.size() != v.fCBDParamet << 
805       G4cout << "Difference in number of colou << 
806     } else if (fCBDParameters != v.fCBDParamet << 
807       G4cout << "Difference in values of colou << 
808     }                                          << 
809   }                                            << 
810                                                << 
811   if (fSection) {                                 250   if (fSection) {
812     if (!(fSectionPlane == v.fSectionPlane))      251     if (!(fSectionPlane == v.fSectionPlane))
813       G4cout << "Difference in section planes     252       G4cout << "Difference in section planes batch." << G4endl;
814   }                                               253   }
815                                                   254 
816   if (IsCutaway()) {                           << 255   if (fCutaway) {
817     if (fCutawayPlanes.size () != v.fCutawayPl    256     if (fCutawayPlanes.size () != v.fCutawayPlanes.size ()) {
818       G4cout << "Difference in no of cutaway p    257       G4cout << "Difference in no of cutaway planes." << G4endl;
819     }                                             258     }
820     else {                                        259     else {
821       for (size_t i = 0; i < fCutawayPlanes.si    260       for (size_t i = 0; i < fCutawayPlanes.size (); i++) {
822   if (!(fCutawayPlanes[i] == v.fCutawayPlanes[    261   if (!(fCutawayPlanes[i] == v.fCutawayPlanes[i]))
823     G4cout << "Difference in cutaway plane no.    262     G4cout << "Difference in cutaway plane no. " << i << G4endl;
824       }                                           263       }
825     }                                             264     }
826   }                                               265   }
827                                                   266 
828   if (IsExplode()) {                           << 267   if (fExplode) {
829     if (fExplodeFactor != v.fExplodeFactor)       268     if (fExplodeFactor != v.fExplodeFactor)
830       G4cout << "Difference in explode factor.    269       G4cout << "Difference in explode factor." << G4endl;
831     if (fExplodeCentre != v.fExplodeCentre)    << 
832       G4cout << "Difference in explode centre. << 
833   }                                            << 
834                                                << 
835   if (fVisAttributesModifiers != v.fVisAttribu << 
836     G4cout << "Difference in vis attributes mo << 
837   }                                            << 
838                                                << 
839   if (fStartTime != v.fStartTime ||            << 
840       fEndTime   != v.fEndTime)  {             << 
841     G4cout << "Difference in time window." <<  << 
842   }                                            << 
843                                                << 
844   if (fFadeFactor != v.fFadeFactor) {          << 
845     G4cout << "Difference in time window fade  << 
846   }                                            << 
847                                                << 
848   if (fDisplayHeadTime != v.fDisplayHeadTime)  << 
849     G4cout << "Difference in display head time << 
850   } else {                                     << 
851     if (fDisplayHeadTimeX     != v.fDisplayHea << 
852         fDisplayHeadTimeY     != v.fDisplayHea << 
853         fDisplayHeadTimeSize  != v.fDisplayHea << 
854         fDisplayHeadTimeRed   != v.fDisplayHea << 
855         fDisplayHeadTimeGreen != v.fDisplayHea << 
856         fDisplayHeadTimeBlue  != v.fDisplayHea << 
857       G4cout << "Difference in display head ti << 
858     }                                          << 
859   }                                            << 
860                                                << 
861   if (fDisplayLightFront != v.fDisplayLightFro << 
862     G4cout << "Difference in display light fro << 
863   } else {                                     << 
864     if (fDisplayLightFrontX     != v.fDisplayL << 
865         fDisplayLightFrontY     != v.fDisplayL << 
866         fDisplayLightFrontZ     != v.fDisplayL << 
867         fDisplayLightFrontT     != v.fDisplayL << 
868         fDisplayLightFrontRed   != v.fDisplayL << 
869         fDisplayLightFrontGreen != v.fDisplayL << 
870         fDisplayLightFrontBlue  != v.fDisplayL << 
871       G4cout << "Difference in display light f << 
872     }                                          << 
873   }                                               270   }
874 }                                                 271 }
875                                                   272 
876 std::ostream& operator <<                      << 273 G4std::ostream& operator << (G4std::ostream& os,
877  (std::ostream& os, G4ViewParameters::DrawingS << 274            const G4ViewParameters::DrawingStyle& style) {
878 {                                              << 
879   switch (style) {                                275   switch (style) {
880     case G4ViewParameters::wireframe:          << 276   case G4ViewParameters::wireframe:
881       os << "wireframe"; break;                << 277     os << "wireframe"; break;
882     case G4ViewParameters::hlr:                << 278   case G4ViewParameters::hlr:
883       os << "hlr - hidden lines removed"; brea << 279     os << "hlr - hidden lines removed"; break;
884     case G4ViewParameters::hsr:                << 280   case G4ViewParameters::hsr:
885       os << "hsr - hidden surfaces removed"; b << 281     os << "hsr - hidden surfaces removed"; break;
886     case G4ViewParameters::hlhsr:              << 282   case G4ViewParameters::hlhsr:
887       os << "hlhsr - hidden line, hidden surfa << 283     os << "hlhsr - hidden line, hidden surface removed"; break;
888     case G4ViewParameters::cloud:              << 284   default: os << "unrecognised"; break;
889       os << "cloud - draw volume as a cloud of << 
890     default: os << "unrecognised"; break;      << 
891   }                                            << 
892   return os;                                   << 
893 }                                              << 
894                                                << 
895 std::ostream& operator <<                      << 
896 (std::ostream& os, G4ViewParameters::SMROption << 
897 {                                              << 
898   switch (option) {                            << 
899     case G4ViewParameters::meshAsDefault:      << 
900       os << "default"; break;                  << 
901     case G4ViewParameters::meshAsDots:         << 
902       os << "dots"; break;                     << 
903     case G4ViewParameters::meshAsSurfaces:     << 
904       os << "surfaces"; break;                 << 
905   }                                               285   }
906   return os;                                      286   return os;
907 }                                                 287 }
908                                                   288 
909 std::ostream& operator << (std::ostream& os, c << 289 G4std::ostream& operator << (G4std::ostream& os, const G4ViewParameters& v) {
910   os << "View parameters and options:";           290   os << "View parameters and options:";
911                                                   291 
912   os << "\n  Drawing style: " << v.fDrawingSty    292   os << "\n  Drawing style: " << v.fDrawingStyle;
913                                                   293 
914   os << "\n  Number of cloud points: " << v.fN << 294   os << "\n  Representation style: ";
915                                                << 295   switch (v.fRepStyle) {
916   os << "\n  Auxiliary edges: ";               << 296   case G4ViewParameters::polyhedron:
917   if (!v.fAuxEdgeVisible) os << "in";          << 297     os << "polyhedron"; break;
918   os << "visible";                             << 298   case G4ViewParameters::nurbs:
                                                   >> 299     os << "nurbs"; break;
                                                   >> 300   default: os << "unrecognised"; break;
                                                   >> 301   }
919                                                   302 
920   os << "\n  Culling: ";                          303   os << "\n  Culling: ";
921   if (v.fCulling) os << "on";                     304   if (v.fCulling) os << "on";
922   else            os << "off";                    305   else            os << "off";
923                                                   306 
924   os << "\n  Culling invisible objects: ";        307   os << "\n  Culling invisible objects: ";
925   if (v.fCullInvisible) os << "on";               308   if (v.fCullInvisible) os << "on";
926   else                  os << "off";              309   else                  os << "off";
927                                                   310 
928   os << "\n  Density culling: ";                  311   os << "\n  Density culling: ";
929   if (v.fDensityCulling) {                        312   if (v.fDensityCulling) {
930     os << "on - invisible if density less than    313     os << "on - invisible if density less than "
931        << v.fVisibleDensity / (1. * g / cm3) <    314        << v.fVisibleDensity / (1. * g / cm3) << " g cm^-3";
932   }                                               315   }
933   else os << "off";                               316   else os << "off";
934                                                   317 
935   os << "\n  Culling daughters covered by opaq    318   os << "\n  Culling daughters covered by opaque mothers: ";
936   if (v.fCullCovered) os << "on";                 319   if (v.fCullCovered) os << "on";
937   else                os << "off";                320   else                os << "off";
938                                                   321 
939   os << "\n  Colour by density: ";             << 
940   if (v.fCBDAlgorithmNumber <= 0) {            << 
941     os << "inactive";                          << 
942   } else {                                     << 
943     os << "Algorithm " << v.fCBDAlgorithmNumbe << 
944     for (auto p: v.fCBDParameters) {           << 
945       os << ' ' << G4BestUnit(p,"Volumic Mass" << 
946     }                                          << 
947   }                                            << 
948                                                << 
949   os << "\n  Section flag: ";                     322   os << "\n  Section flag: ";
950   if (v.fSection) os << "true, section/cut pla    323   if (v.fSection) os << "true, section/cut plane: " << v.fSectionPlane;
951   else            os << "false";                  324   else            os << "false";
952                                                   325 
953   if (v.IsCutaway()) {                         << 326   os << "\n  Cutaway flag: ";
954     os << "\n  Cutaway planes: ";              << 327   if (v.fCutaway) {
                                                   >> 328     os << "true, cutaway planes: ";
955     for (size_t i = 0; i < v.fCutawayPlanes.si    329     for (size_t i = 0; i < v.fCutawayPlanes.size (); i++) {
956       os << ' ' << v.fCutawayPlanes[i];           330       os << ' ' << v.fCutawayPlanes[i];
957     }                                             331     }
958   }                                               332   }
959   else {                                          333   else {
960     os << "\n  No cutaway planes";             << 334     os << "false";
961   }                                               335   }
962                                                   336 
963   os << "\n  Explode factor: " << v.fExplodeFa << 337   os << "\n  Explode flag: ";
964      << " about centre: " << v.fExplodeCentre; << 338   if (v.fExplode) os << "true, explode factor: " << v.fExplodeFactor;
                                                   >> 339   else            os << "false";
965                                                   340 
966   os << "\n  No. of sides used in circle polyg    341   os << "\n  No. of sides used in circle polygon approximation: "
967      << v.fNoOfSides;                             342      << v.fNoOfSides;
968                                                   343 
969   os << "\n  Viewpoint direction:  " << v.fVie    344   os << "\n  Viewpoint direction:  " << v.fViewpointDirection;
970                                                   345 
971   os << "\n  Up vector:            " << v.fUpV    346   os << "\n  Up vector:            " << v.fUpVector;
972                                                   347 
973   os << "\n  Field half angle:     " << v.fFie    348   os << "\n  Field half angle:     " << v.fFieldHalfAngle;
974                                                   349 
975   os << "\n  Zoom factor:          " << v.fZoo    350   os << "\n  Zoom factor:          " << v.fZoomFactor;
976                                                   351 
977   os << "\n  Scale factor:         " << v.fSca << 
978                                                << 
979   os << "\n  Current target point: " << v.fCur    352   os << "\n  Current target point: " << v.fCurrentTargetPoint;
980                                                   353 
981   os << "\n  Dolly distance:       " << v.fDol    354   os << "\n  Dolly distance:       " << v.fDolly;
982                                                   355 
983   os << "\n  Light ";                             356   os << "\n  Light ";
984   if (v.fLightsMoveWithCamera) os << "moves";     357   if (v.fLightsMoveWithCamera) os << "moves";
985   else                         os << "does not    358   else                         os << "does not move";
986   os << " with camera";                           359   os << " with camera";
987                                                   360 
988   os << "\n  Relative lightpoint direction: "     361   os << "\n  Relative lightpoint direction: "
989      << v.fRelativeLightpointDirection;           362      << v.fRelativeLightpointDirection;
990                                                   363 
991   os << "\n  Actual lightpoint direction: "       364   os << "\n  Actual lightpoint direction: "
992      << v.fActualLightpointDirection;             365      << v.fActualLightpointDirection;
993                                                   366 
994   os << "\n  Derived parameters for standard v    367   os << "\n  Derived parameters for standard view of object of unit radius:";
995   G4ViewParameters tempVP = v;                    368   G4ViewParameters tempVP = v;
996   tempVP.fDolly = 0.;                             369   tempVP.fDolly = 0.;
997   tempVP.fZoomFactor = 1.;                        370   tempVP.fZoomFactor = 1.;
998   const G4double radius = 1.;                     371   const G4double radius = 1.;
999   const G4double cameraDistance = tempVP.GetCa    372   const G4double cameraDistance = tempVP.GetCameraDistance (radius);
1000   const G4double nearDistance =                  373   const G4double nearDistance =
1001     tempVP.GetNearDistance (cameraDistance, r    374     tempVP.GetNearDistance (cameraDistance, radius);
1002   const G4double farDistance =                   375   const G4double farDistance =
1003     tempVP.GetFarDistance  (cameraDistance, n    376     tempVP.GetFarDistance  (cameraDistance, nearDistance, radius);
1004   const G4double right  = tempVP.GetFrontHalf    377   const G4double right  = tempVP.GetFrontHalfHeight (nearDistance, radius);
1005   os << "\n    Camera distance:   " << camera    378   os << "\n    Camera distance:   " << cameraDistance;
1006   os << "\n    Near distance:     " << nearDi    379   os << "\n    Near distance:     " << nearDistance;
1007   os << "\n    Far distance:      " << farDis    380   os << "\n    Far distance:      " << farDistance;
1008   os << "\n    Front half height: " << right;    381   os << "\n    Front half height: " << right;
1009                                                  382 
                                                   >> 383   os << "\n  View geometry: ";
                                                   >> 384   if (v.fViewGeom) os << "true";
                                                   >> 385   else os << "false";
                                                   >> 386 
                                                   >> 387   os << "\n  View hits    : ";
                                                   >> 388   if (v.fViewHits) os << "true";
                                                   >> 389   else os << "false";
                                                   >> 390 
                                                   >> 391   os << "\n  View digits  : ";
                                                   >> 392   if (v.fViewDigis) os << "true";
                                                   >> 393   else os << "false";
                                                   >> 394 
1010   os << "\n  Default VisAttributes:\n  " << v    395   os << "\n  Default VisAttributes:\n  " << v.fDefaultVisAttributes;
1011                                                  396 
1012   os << "\n  Default TextVisAttributes:\n  "     397   os << "\n  Default TextVisAttributes:\n  " << v.fDefaultTextVisAttributes;
1013                                                  398 
1014   os << "\n  Default marker:\n    " << v.fDef << 399   os << "\n  Default marker: " << v.fDefaultMarker;
1015                                                  400 
1016   os << "\n  Global marker scale: " << v.fGlo    401   os << "\n  Global marker scale: " << v.fGlobalMarkerScale;
1017                                                  402 
1018   os << "\n  Global lineWidth scale: " << v.f << 
1019                                               << 
1020   os << "\n  Marker ";                           403   os << "\n  Marker ";
1021   if (v.fMarkerNotHidden) os << "not ";          404   if (v.fMarkerNotHidden) os << "not ";
1022   os << "hidden by surfaces.";                   405   os << "hidden by surfaces.";
1023                                                  406 
1024   os << "\n  Window size hint: "                 407   os << "\n  Window size hint: "
1025      << v.fWindowSizeHintX << 'x'<< v.fWindow    408      << v.fWindowSizeHintX << 'x'<< v.fWindowSizeHintX;
1026                                                  409 
1027   os << "\n  X geometry string: " << v.fXGeom << 
1028   os << "\n  X geometry mask: "               << 
1029      << std::showbase << std::hex << v.fGeome << 
1030      << std::noshowbase << std::dec;          << 
1031                                               << 
1032   os << "\n  Auto refresh: ";                    410   os << "\n  Auto refresh: ";
1033   if (v.fAutoRefresh) os << "true";              411   if (v.fAutoRefresh) os << "true";
1034   else os << "false";                            412   else os << "false";
1035                                                  413 
1036   os << "\n  Background colour: " << v.fBackg << 
1037                                               << 
1038   os << "\n  Picking requested: ";            << 
1039   if (v.fPicking) os << "true";               << 
1040   else os << "false";                         << 
1041                                               << 
1042   os << "\n  Rotation style: ";               << 
1043   switch (v.fRotationStyle) {                 << 
1044   case G4ViewParameters::constrainUpDirection << 
1045     os << "constrainUpDirection (conventional << 
1046   case G4ViewParameters::freeRotation:        << 
1047     os << "freeRotation (Google-like rotation << 
1048   default: os << "unrecognised"; break;       << 
1049   }                                           << 
1050                                               << 
1051   os << "\nVis attributes modifiers: ";       << 
1052   const std::vector<G4ModelingParameters::Vis << 
1053     v.fVisAttributesModifiers;                << 
1054   if (vams.empty()) {                         << 
1055     os << "None";                             << 
1056   } else {                                    << 
1057     os << vams;                               << 
1058   }                                           << 
1059                                               << 
1060   os << "\nTime window parameters:"           << 
1061   << "\n  Start time:  " << v.fStartTime/ns < << 
1062   << "\n  End time:    " << v.fEndTime/ns <<  << 
1063   << "\n  Fade factor: " << v.fFadeFactor;    << 
1064   if (!v.fDisplayHeadTime) {                  << 
1065     os << "\n  Head time display not requeste << 
1066   } else {                                    << 
1067     os                                        << 
1068     << "\n  Head time position: "             << 
1069     << v.fDisplayHeadTimeX << ' ' << v.fDispl << 
1070     << "\n  Head time size:     " << v.fDispl << 
1071     << "\n  Head time colour:   " << v.fDispl << 
1072     << ' ' << v.fDisplayHeadTimeGreen << ' '  << 
1073   }                                           << 
1074   if (!v.fDisplayLightFront) {                << 
1075     os << "\n  Light front display not reques << 
1076   } else {                                    << 
1077     os                                        << 
1078     << "\n  Light front position: "           << 
1079     << v.fDisplayLightFrontX/mm << ' ' << v.f << 
1080     << ' ' << v.fDisplayLightFrontZ/mm << " m << 
1081     << "\n  Light front time:     " << v.fDis << 
1082     << "\n  Light front colour:   " << v.fDis << 
1083     << ' ' << v.fDisplayLightFrontGreen << '  << 
1084   }                                           << 
1085                                               << 
1086   os << "\nSpecial Mesh Rendering";           << 
1087   if (v.fSpecialMeshRendering) {              << 
1088     os << " requested with option \"" << v.fS << 
1089     os << "\" for ";                          << 
1090     if (v.fSpecialMeshVolumes.empty()) {      << 
1091       os << "any mesh";                       << 
1092     } else {                                  << 
1093       os << "selected meshes";                << 
1094       for (const auto& vol: v.fSpecialMeshVol << 
1095   os << "\n    " << vol.GetName() << ':' << v << 
1096       }                                       << 
1097     }                                         << 
1098   } else os << ": off";                       << 
1099   return os;                                     414   return os;
1100 }                                                415 }
1101                                                  416 
1102 G4bool G4ViewParameters::operator != (const G    417 G4bool G4ViewParameters::operator != (const G4ViewParameters& v) const {
1103                                                  418 
1104   // Put performance-sensitive parameters fir    419   // Put performance-sensitive parameters first.
1105   if (                                           420   if (
1106       // This first to optimise spin, etc.       421       // This first to optimise spin, etc.
1107       (fViewpointDirection   != v.fViewpointD    422       (fViewpointDirection   != v.fViewpointDirection)   ||
1108                                                  423 
1109       // No particular order from here on.       424       // No particular order from here on.
1110       (fDrawingStyle         != v.fDrawingSty    425       (fDrawingStyle         != v.fDrawingStyle)         ||
1111       (fNumberOfCloudPoints  != v.fNumberOfCl << 426       (fRepStyle             != v.fRepStyle)             ||
1112       (fAuxEdgeVisible       != v.fAuxEdgeVis << 
1113       (fCulling              != v.fCulling)      427       (fCulling              != v.fCulling)              ||
1114       (fCullInvisible        != v.fCullInvisi    428       (fCullInvisible        != v.fCullInvisible)        ||
1115       (fDensityCulling       != v.fDensityCul    429       (fDensityCulling       != v.fDensityCulling)       ||
1116       (fCullCovered          != v.fCullCovere    430       (fCullCovered          != v.fCullCovered)          ||
1117       (fCBDAlgorithmNumber   != v.fCBDAlgorit << 
1118       (fSection              != v.fSection)      431       (fSection              != v.fSection)              ||
1119       (IsCutaway()           != v.IsCutaway() << 432       (fCutaway              != v.fCutaway)              || 
1120       (IsExplode()           != v.IsExplode() << 433       (fExplode              != v.fExplode)              ||
1121       (fNoOfSides            != v.fNoOfSides)    434       (fNoOfSides            != v.fNoOfSides)            ||
1122       (fUpVector             != v.fUpVector)     435       (fUpVector             != v.fUpVector)             ||
1123       (fFieldHalfAngle       != v.fFieldHalfA    436       (fFieldHalfAngle       != v.fFieldHalfAngle)       ||
1124       (fZoomFactor           != v.fZoomFactor    437       (fZoomFactor           != v.fZoomFactor)           ||
1125       (fScaleFactor          != v.fScaleFacto << 
1126       (fCurrentTargetPoint   != v.fCurrentTar    438       (fCurrentTargetPoint   != v.fCurrentTargetPoint)   ||
1127       (fDolly                != v.fDolly)        439       (fDolly                != v.fDolly)                ||
1128       (fRelativeLightpointDirection != v.fRel    440       (fRelativeLightpointDirection != v.fRelativeLightpointDirection)  ||
1129       (fLightsMoveWithCamera != v.fLightsMove    441       (fLightsMoveWithCamera != v.fLightsMoveWithCamera) ||
                                                   >> 442       (fViewGeom             != v.fViewGeom)             ||
                                                   >> 443       (fViewHits             != v.fViewHits)             ||
                                                   >> 444       (fViewDigis            != v.fViewDigis)            ||
1130       (fDefaultVisAttributes != v.fDefaultVis    445       (fDefaultVisAttributes != v.fDefaultVisAttributes) ||
1131       (fDefaultTextVisAttributes != v.fDefaul    446       (fDefaultTextVisAttributes != v.fDefaultTextVisAttributes) ||
1132       (fDefaultMarker        != v.fDefaultMar    447       (fDefaultMarker        != v.fDefaultMarker)        ||
1133       (fGlobalMarkerScale    != v.fGlobalMark    448       (fGlobalMarkerScale    != v.fGlobalMarkerScale)    ||
1134       (fGlobalLineWidthScale != v.fGlobalLine << 
1135       (fMarkerNotHidden      != v.fMarkerNotH    449       (fMarkerNotHidden      != v.fMarkerNotHidden)      ||
1136       (fWindowSizeHintX      != v.fWindowSize    450       (fWindowSizeHintX      != v.fWindowSizeHintX)      ||
1137       (fWindowSizeHintY      != v.fWindowSize    451       (fWindowSizeHintY      != v.fWindowSizeHintY)      ||
1138       (fXGeometryString      != v.fXGeometryS << 452       (fAutoRefresh          != v.fAutoRefresh))
1139       (fGeometryMask         != v.fGeometryMa << 
1140       (fAutoRefresh          != v.fAutoRefres << 
1141       (fBackgroundColour     != v.fBackground << 
1142       (fPicking              != v.fPicking)   << 
1143       (fRotationStyle        != v.fRotationSt << 
1144       (fSpecialMeshRendering != v.fSpecialMes << 
1145       (fSpecialMeshRenderingOption != v.fSpec << 
1146       )                                       << 
1147     return true;                                 453     return true;
1148                                                  454 
1149   if (fDensityCulling &&                         455   if (fDensityCulling &&
1150       (fVisibleDensity != v.fVisibleDensity))    456       (fVisibleDensity != v.fVisibleDensity)) return true;
1151                                                  457 
1152   if (fCBDAlgorithmNumber > 0) {              << 
1153     if (fCBDParameters.size() != v.fCBDParame << 
1154     else if (fCBDParameters != v.fCBDParamete << 
1155   }                                           << 
1156                                               << 
1157   if (fSection &&                                458   if (fSection &&
1158       (!(fSectionPlane == v.fSectionPlane)))     459       (!(fSectionPlane == v.fSectionPlane))) return true;
1159                                                  460 
1160   if (IsCutaway()) {                          << 461   if (fCutaway) {
1161     if (fCutawayPlanes.size () != v.fCutawayP    462     if (fCutawayPlanes.size () != v.fCutawayPlanes.size ())
1162       return true;                               463       return true;
1163     else {                                       464     else {
1164       for (size_t i = 0; i < fCutawayPlanes.s    465       for (size_t i = 0; i < fCutawayPlanes.size (); i++) {
1165   if (!(fCutawayPlanes[i] == v.fCutawayPlanes    466   if (!(fCutawayPlanes[i] == v.fCutawayPlanes[i])) return true;
1166       }                                          467       }
1167     }                                            468     }
1168   }                                              469   }
1169                                                  470 
1170   if (IsExplode() &&                          << 471   if (fExplode &&
1171       ((fExplodeFactor != v.fExplodeFactor) | << 472       (fExplodeFactor != v.fExplodeFactor)) return true;
1172        (fExplodeCentre != v.fExplodeCentre))) << 
1173                                               << 
1174   if (fVisAttributesModifiers != v.fVisAttrib << 
1175                                               << 
1176   if (fStartTime  != v.fStartTime ||          << 
1177       fEndTime    != v.fEndTime   ||          << 
1178       fFadeFactor != v.fFadeFactor) return tr << 
1179                                               << 
1180   if (fDisplayHeadTime != v.fDisplayHeadTime) << 
1181   if (fDisplayHeadTime) {                     << 
1182     if (fDisplayHeadTimeX     != v.fDisplayHe << 
1183         fDisplayHeadTimeY     != v.fDisplayHe << 
1184         fDisplayHeadTimeSize  != v.fDisplayHe << 
1185         fDisplayHeadTimeRed   != v.fDisplayHe << 
1186         fDisplayHeadTimeGreen != v.fDisplayHe << 
1187         fDisplayHeadTimeBlue  != v.fDisplayHe << 
1188       return true;                            << 
1189     }                                         << 
1190   }                                           << 
1191                                               << 
1192   if (fDisplayLightFront != v.fDisplayLightFr << 
1193   if (fDisplayLightFront) {                   << 
1194     if (fDisplayLightFrontX     != v.fDisplay << 
1195         fDisplayLightFrontY     != v.fDisplay << 
1196         fDisplayLightFrontZ     != v.fDisplay << 
1197         fDisplayLightFrontT     != v.fDisplay << 
1198         fDisplayLightFrontRed   != v.fDisplay << 
1199         fDisplayLightFrontGreen != v.fDisplay << 
1200         fDisplayLightFrontBlue  != v.fDisplay << 
1201       return true;                            << 
1202     }                                         << 
1203   }                                           << 
1204                                               << 
1205   if (fSpecialMeshRendering) {                << 
1206     if (fSpecialMeshVolumes != v.fSpecialMesh << 
1207       return true;;                           << 
1208   }                                           << 
1209                                                  473 
1210   return false;                                  474   return false;
1211 }                                             << 
1212                                               << 
1213 void G4ViewParameters::SetXGeometryString (co << 
1214 {                                             << 
1215   const G4String delimiters("xX+-");          << 
1216   G4String::size_type i = geomString.find_fir << 
1217   if (i == G4String::npos) {                  << 
1218     // Does not contain "xX+-".               << 
1219     // Is it a single number?                 << 
1220     std::istringstream iss(geomString);       << 
1221     G4int size;                               << 
1222     iss >> size;                              << 
1223     if (iss) {                                << 
1224       // It is a number                       << 
1225       fWindowSizeHintX = size;                << 
1226       fWindowSizeHintY = size;                << 
1227     }                                         << 
1228     // Accept other or all defaults (in G4Vie << 
1229     // Reconstruct a geometry string coherent << 
1230     char signX, signY;                        << 
1231     if (fWindowLocationHintXNegative) signX = << 
1232     if (fWindowLocationHintYNegative) signY = << 
1233     std::ostringstream oss;                   << 
1234     oss << fWindowSizeHintX << 'x' << fWindow << 
1235     << signX << fWindowLocationHintX << signY << 
1236     fXGeometryString = oss.str();             << 
1237     return;                                   << 
1238   }                                           << 
1239                                               << 
1240   // Assume it's a parseable X geometry strin << 
1241   G4int x = 0, y = 0;                         << 
1242   unsigned int w = 0, h = 0;                  << 
1243   fGeometryMask = ParseGeometry( geomString,  << 
1244                                               << 
1245   // Handle special case :                    << 
1246   if ((fGeometryMask & fYValue) == 0)         << 
1247     {  // Using default                       << 
1248       y =  fWindowLocationHintY;              << 
1249     }                                         << 
1250   if ((fGeometryMask & fXValue) == 0)         << 
1251     {  // Using default                       << 
1252       x =  fWindowLocationHintX;              << 
1253     }                                         << 
1254                                               << 
1255   // Check errors                             << 
1256   // if there is no Width and Height          << 
1257   if ( ((fGeometryMask & fHeightValue) == 0 ) << 
1258        ((fGeometryMask & fWidthValue)  == 0 ) << 
1259     h = fWindowSizeHintY;                     << 
1260     w = fWindowSizeHintX;                     << 
1261   } else  if ((fGeometryMask & fHeightValue)  << 
1262                                               << 
1263     // if there is only Width. Special case t << 
1264     // We set Width and Height the same to ob << 
1265                                               << 
1266     G4warn << "Unrecognised geometry string \ << 
1267            << geomString                      << 
1268            << "\".  No Height found. Using Wi << 
1269            << G4endl;                         << 
1270     h = w;                                    << 
1271   }                                           << 
1272   if ( ((fGeometryMask & fXValue) == 0 ) ||   << 
1273        ((fGeometryMask & fYValue)  == 0 )) {  << 
1274     //Using defaults                          << 
1275     x = fWindowLocationHintX;                 << 
1276     y = fWindowLocationHintY;                 << 
1277   }                                           << 
1278   // Set the string                           << 
1279   fXGeometryString = geomString;              << 
1280                                               << 
1281   // Set values                               << 
1282   fWindowSizeHintX = w;                       << 
1283   fWindowSizeHintY = h;                       << 
1284   fWindowLocationHintX = x;                   << 
1285   fWindowLocationHintY = y;                   << 
1286                                               << 
1287   if ( ((fGeometryMask & fXValue)) &&         << 
1288        ((fGeometryMask & fYValue))) {         << 
1289                                               << 
1290     if ( (fGeometryMask & fXNegative) ) {     << 
1291       fWindowLocationHintXNegative = true;    << 
1292     } else {                                  << 
1293       fWindowLocationHintXNegative = false;   << 
1294     }                                         << 
1295     if ( (fGeometryMask & fYNegative) ) {     << 
1296     fWindowLocationHintYNegative = true;      << 
1297     } else {                                  << 
1298       fWindowLocationHintYNegative = false;   << 
1299     }                                         << 
1300   }                                           << 
1301 }                                             << 
1302                                               << 
1303 G4int G4ViewParameters::GetWindowAbsoluteLoca << 
1304   if ( fWindowLocationHintXNegative ) {       << 
1305     return  sizeX  + fWindowLocationHintX - f << 
1306   }                                           << 
1307   return fWindowLocationHintX;                << 
1308 }                                             << 
1309                                               << 
1310 G4int G4ViewParameters::GetWindowAbsoluteLoca << 
1311   if (  fWindowLocationHintYNegative ) {      << 
1312     return  sizeY  + fWindowLocationHintY - f << 
1313   }                                           << 
1314   return fWindowLocationHintY;                << 
1315 }                                             << 
1316                                               << 
1317 /* Keep from :                                << 
1318  * ftp://ftp.trolltech.com/qt/source/qt-embed << 
1319  *                                            << 
1320  *    ParseGeometry parses strings of the for << 
1321  *   "=<width>x<height>{+-}<xoffset>{+-}<yoff << 
1322  *   width, height, xoffset, and yoffset are  << 
1323  *   Example:  "=80x24+300-49"                << 
1324  *   The equal sign is optional.              << 
1325  *   It returns a bitmask that indicates whic << 
1326  *   were actually found in the string. For e << 
1327  *   the corresponding argument is updated;   << 
1328  *   not found, the corresponding argument is << 
1329  */                                           << 
1330                                               << 
1331 int G4ViewParameters::ParseGeometry (         << 
1332  const char *string,                          << 
1333  G4int *x,                                    << 
1334  G4int *y,                                    << 
1335  unsigned int *width,                         << 
1336  unsigned int *height)                        << 
1337 {                                             << 
1338                                               << 
1339   G4int mask = fNoValue;                      << 
1340   char *strind;                               << 
1341   unsigned int tempWidth  = 0;                << 
1342   unsigned int tempHeight = 0;                << 
1343   G4int tempX = 0;                            << 
1344   G4int tempY = 0;                            << 
1345   char *nextCharacter;                        << 
1346   if ( (string == NULL) || (*string == '\0')) << 
1347     return(mask);                             << 
1348   }                                           << 
1349   if (*string == '=')                         << 
1350     string++;  /* ignore possible '=' at beg  << 
1351   strind = (char *)string;                    << 
1352   if (*strind != '+' && *strind != '-' && *st << 
1353     tempWidth = ReadInteger(strind, &nextChar << 
1354     if (strind == nextCharacter)              << 
1355       return (0);                             << 
1356     strind = nextCharacter;                   << 
1357     mask |= fWidthValue;                      << 
1358   }                                           << 
1359   if (*strind == 'x' || *strind == 'X') {     << 
1360     strind++;                                 << 
1361     tempHeight = ReadInteger(strind, &nextCha << 
1362     if (strind == nextCharacter)              << 
1363       return (0);                             << 
1364     strind = nextCharacter;                   << 
1365     mask |= fHeightValue;                     << 
1366   }                                           << 
1367                                               << 
1368   if ((*strind == '+') || (*strind == '-')) { << 
1369     if (*strind == '-') {                     << 
1370       strind++;                               << 
1371       tempX = -ReadInteger(strind, &nextChara << 
1372       if (strind == nextCharacter)            << 
1373         return (0);                           << 
1374       strind = nextCharacter;                 << 
1375       mask |= fXNegative;                     << 
1376                                               << 
1377     }                                         << 
1378     else                                      << 
1379       { strind++;                             << 
1380         tempX = ReadInteger(strind, &nextChar << 
1381         if (strind == nextCharacter)          << 
1382           return(0);                          << 
1383         strind = nextCharacter;               << 
1384       }                                       << 
1385     mask |= fXValue;                          << 
1386     if ((*strind == '+') || (*strind == '-')) << 
1387       if (*strind == '-') {                   << 
1388         strind++;                             << 
1389         tempY = -ReadInteger(strind, &nextCha << 
1390         if (strind == nextCharacter)          << 
1391           return(0);                          << 
1392         strind = nextCharacter;               << 
1393         mask |= fYNegative;                   << 
1394       }                                       << 
1395       else                                    << 
1396         {                                     << 
1397           strind++;                           << 
1398           tempY = ReadInteger(strind, &nextCh << 
1399           if (strind == nextCharacter)        << 
1400             return(0);                        << 
1401           strind = nextCharacter;             << 
1402         }                                     << 
1403       mask |= fYValue;                        << 
1404     }                                         << 
1405   }                                           << 
1406   /* If strind isn't at the end of the string << 
1407      geometry specification. */               << 
1408   if (*strind != '\0') return (0);            << 
1409   if (mask & fXValue)                         << 
1410     *x = tempX;                               << 
1411   if (mask & fYValue)                         << 
1412     *y = tempY;                               << 
1413   if (mask & fWidthValue)                     << 
1414     *width = tempWidth;                       << 
1415   if (mask & fHeightValue)                    << 
1416     *height = tempHeight;                     << 
1417   return (mask);                              << 
1418 }                                             << 
1419                                               << 
1420 /* Keep from :                                << 
1421  * ftp://ftp.trolltech.com/qt/source/qt-embed << 
1422  *                                            << 
1423  */                                           << 
1424 G4int G4ViewParameters::ReadInteger(char *str << 
1425 {                                             << 
1426     G4int Result = 0;                         << 
1427     G4int Sign = 1;                           << 
1428                                               << 
1429     if (*string == '+')                       << 
1430   string++;                                   << 
1431     else if (*string == '-')                  << 
1432     {                                         << 
1433   string++;                                   << 
1434   Sign = -1;                                  << 
1435     }                                         << 
1436     for (; (*string >= '0') && (*string <= '9 << 
1437     {                                         << 
1438   Result = (Result * 10) + (*string - '0');   << 
1439     }                                         << 
1440     *NextString = string;                     << 
1441     if (Sign >= 0)                            << 
1442   return (Result);                            << 
1443     else                                      << 
1444   return (-Result);                           << 
1445 }                                             << 
1446                                               << 
1447 G4ViewParameters* G4ViewParameters::CatmullRo << 
1448 (const std::vector<G4ViewParameters>& views,  << 
1449  G4int nInterpolationPoints)  // No of interp << 
1450 {                                             << 
1451   // Returns a null pointer when no more to b << 
1452   // do {                                     << 
1453   //   G4ViewParameters* vp =                 << 
1454   //   G4ViewParameters::CatmullRomCubicSplin << 
1455   //   if (!vp) break;                        << 
1456   //     ...                                  << 
1457   // } while (true);                          << 
1458                                               << 
1459   // See https://en.wikipedia.org/wiki/Cubic_ << 
1460                                               << 
1461   // Assumes equal intervals                  << 
1462                                               << 
1463   if (views.size() < 2) {                     << 
1464     G4Exception                               << 
1465     ("G4ViewParameters::CatmullRomCubicSpline << 
1466      "visman0301", JustWarning,               << 
1467      "There must be at least two views.");    << 
1468     return 0;                                 << 
1469   }                                           << 
1470                                               << 
1471   if (nInterpolationPoints < 1) {             << 
1472     G4Exception                               << 
1473     ("G4ViewParameters::CatmullRomCubicSpline << 
1474      "visman0302", JustWarning,               << 
1475      "Number of interpolation points cannot b << 
1476     return 0;                                 << 
1477   }                                           << 
1478                                               << 
1479   const size_t nIntervals = views.size() - 1; << 
1480   const G4double dt = 1./nInterpolationPoints << 
1481                                               << 
1482   static G4ViewParameters holdingValues;      << 
1483   static G4double t = 0.;  // 0. <= t <= 1.   << 
1484   static G4int iInterpolationPoint = 0;       << 
1485   static size_t iInterval = 0;                << 
1486                                               << 
1487 //  G4cout << "Interval " << iInterval << ",  << 
1488                                               << 
1489   // Hermite polynomials.                     << 
1490   const G4double h00 = 2.*t*t*t - 3.*t*t +1;  << 
1491   const G4double h10 = t*t*t -2.*t*t + t;     << 
1492   const G4double h01 = -2.*t*t*t + 3.*t*t;    << 
1493   const G4double h11 = t*t*t - t*t;           << 
1494                                               << 
1495   // Aliases (to simplify code)               << 
1496   const size_t& n = nIntervals;               << 
1497   size_t& i = iInterval;                      << 
1498   const std::vector<G4ViewParameters>& v = vi << 
1499                                               << 
1500   // The Catmull-Rom cubic spline prescriptio << 
1501   // Slope at first way point is v[1] - v[0]. << 
1502   // Slope at last way point is v[n] - v[n-1] << 
1503   // Otherwise slope at way point i is 0.5*(v << 
1504   // Result = h00*v[i] + h10*m[i] + h01*v[i+1 << 
1505   // where m[i] amd m[i+1] are the slopes at  << 
1506   // of the interval for the particular value << 
1507   // If (n == 1), linear interpolation result << 
1508   // If (n == 2), quadratic interpolation res << 
1509                                               << 
1510   // Working variables                        << 
1511   G4double mi, mi1, real, x, y, z;            << 
1512                                               << 
1513   // First, a crude interpolation of all para << 
1514   // smooth interpolation of those for which  << 
1515   holdingValues = t < 0.5? v[i]: v[i+1];      << 
1516                                               << 
1517   // Catmull-Rom cubic spline interpolation   << 
1518 #define INTERPOLATE(param) \                  << 
1519 /* This works out the interpolated param in i << 
1520 /* Assumes n >= 1 */ \                        << 
1521 if (i == 0) { \                               << 
1522 /* First interval */ \                        << 
1523 mi = v[1].param - v[0].param; \               << 
1524 /* If there is only one interval, make start  << 
1525 /* (This results in a linear interpolation) * << 
1526 if (n == 1) mi1 = mi; \                       << 
1527 /* else the end slope of the interval takes a << 
1528 else mi1 = 0.5 * (v[2].param - v[0].param); \ << 
1529 } else if (i >= n - 1) { \                    << 
1530 /* Similarly for last interval */ \           << 
1531 mi1 = v[i+1].param - v[i].param; \            << 
1532 /* If there is only one interval, make start  << 
1533 if (n == 1) mi = mi1; \                       << 
1534 /* else the start slope of the interval takes << 
1535 else mi = 0.5 * (v[i+1].param - v[i-1].param) << 
1536 } else { \                                    << 
1537 /* Full Catmull-Rom slopes use previous AND n << 
1538 mi  = 0.5 * (v[i+1].param - v[i-1].param); \  << 
1539 mi1 = 0.5 * (v[i+2].param - v[i  ].param); \  << 
1540 } \                                           << 
1541 real = h00 * v[i].param + h10 * mi + h01 * v[ << 
1542                                               << 
1543 #define INTERPOLATELOG(param) \               << 
1544 if (i == 0) { \                               << 
1545 mi = std::log(v[1].param) - std::log(v[0].par << 
1546 if (n == 1) mi1 = mi; \                       << 
1547 else mi1 = 0.5 * (std::log(v[2].param) - std: << 
1548 } else if (i >= n - 1) { \                    << 
1549 mi1 = std::log(v[i+1].param) - std::log(v[i]. << 
1550 if (n == 1) mi = mi1; \                       << 
1551 else mi = 0.5 * (std::log(v[i+1].param) - std << 
1552 } else { \                                    << 
1553 mi  = 0.5 * (std::log(v[i+1].param) - std::lo << 
1554 mi1 = 0.5 * (std::log(v[i+2].param) - std::lo << 
1555 } \                                           << 
1556 real = std::exp(h00 * std::log(v[i].param) +  << 
1557                                               << 
1558   // Real parameters                          << 
1559   INTERPOLATE(fVisibleDensity);               << 
1560   if (real < 0.) real = 0.;                   << 
1561   holdingValues.fVisibleDensity = real;       << 
1562   INTERPOLATELOG(fExplodeFactor);             << 
1563   holdingValues.fExplodeFactor = real;        << 
1564   INTERPOLATE(fFieldHalfAngle);               << 
1565   if (real < 0.) real = 0.;                   << 
1566   holdingValues.fFieldHalfAngle = real;       << 
1567   INTERPOLATELOG(fZoomFactor);                << 
1568   holdingValues.fZoomFactor = real;           << 
1569   INTERPOLATE(fDolly);                        << 
1570   holdingValues.fDolly = real;                << 
1571   INTERPOLATE(fGlobalMarkerScale);            << 
1572   if (real < 0.) real = 0.;                   << 
1573   holdingValues.fGlobalMarkerScale = real;    << 
1574   INTERPOLATE(fGlobalLineWidthScale);         << 
1575   if (real < 0.) real = 0.;                   << 
1576   holdingValues.fGlobalLineWidthScale = real; << 
1577                                               << 
1578   // Unit vectors                             << 
1579 #define INTERPOLATEUNITVECTOR(vector) \       << 
1580 INTERPOLATE(vector.x()); x = real; \          << 
1581 INTERPOLATE(vector.y()); y = real; \          << 
1582 INTERPOLATE(vector.z()); z = real;            << 
1583   INTERPOLATEUNITVECTOR(fViewpointDirection); << 
1584   holdingValues.fViewpointDirection           << 
1585   INTERPOLATEUNITVECTOR(fUpVector);           << 
1586   holdingValues.fUpVector                     << 
1587   INTERPOLATEUNITVECTOR(fRelativeLightpointDi << 
1588   holdingValues.fRelativeLightpointDirection  << 
1589   INTERPOLATEUNITVECTOR(fActualLightpointDire << 
1590   holdingValues.fActualLightpointDirection    << 
1591                                               << 
1592   // Un-normalised vectors                    << 
1593 #define INTERPOLATEVECTOR(vector) \           << 
1594 INTERPOLATE(vector.x()); x = real; \          << 
1595 INTERPOLATE(vector.y()); y = real; \          << 
1596 INTERPOLATE(vector.z()); z = real;            << 
1597   INTERPOLATEVECTOR(fScaleFactor);            << 
1598   holdingValues.fScaleFactor = G4Vector3D(x,y << 
1599                                               << 
1600   // Points                                   << 
1601 #define INTERPOLATEPOINT(point) \             << 
1602 INTERPOLATE(point.x()); x = real; \           << 
1603 INTERPOLATE(point.y()); y = real; \           << 
1604 INTERPOLATE(point.z()); z = real;             << 
1605   INTERPOLATEPOINT(fExplodeCentre);           << 
1606   holdingValues.fExplodeCentre      = G4Point << 
1607   INTERPOLATEPOINT(fCurrentTargetPoint);      << 
1608   holdingValues.fCurrentTargetPoint = G4Point << 
1609                                               << 
1610   // Colour                                   << 
1611   G4double red, green, blue, alpha;           << 
1612 #define INTERPOLATECOLOUR(colour) \           << 
1613 INTERPOLATE(colour.GetRed());   red   = real; << 
1614 INTERPOLATE(colour.GetGreen()); green = real; << 
1615 INTERPOLATE(colour.GetBlue());  blue  = real; << 
1616 INTERPOLATE(colour.GetAlpha()); alpha = real; << 
1617   INTERPOLATECOLOUR(fBackgroundColour);       << 
1618   // Components are clamped to 0. <= componen << 
1619   holdingValues.fBackgroundColour = G4Colour( << 
1620                                               << 
1621   // For some parameters we need to check som << 
1622   G4bool continuous;                          << 
1623 #define CONTINUITY(quantity) \                << 
1624   continuous = false; \                       << 
1625   /* This follows the logic of the INTERPOLAT << 
1626   if (i == 0) { \                             << 
1627     if (v[1].quantity == v[0].quantity) { \   << 
1628        if (n == 1) continuous = true; \       << 
1629        else if (v[2].quantity == v[0].quantit << 
1630        continuous = true; \                   << 
1631     } \                                       << 
1632   } else if (i >= n - 1) { \                  << 
1633     if (v[i+1].quantity == v[i].quantity) { \ << 
1634       if (n == 1) continuous = true; \        << 
1635       else if (v[i+1].quantity == v[i-1].quan << 
1636       continuous = true; \                    << 
1637     } \                                       << 
1638   } else { \                                  << 
1639     if (v[i-1].quantity == v[i].quantity && \ << 
1640         v[i+1].quantity == v[i].quantity && \ << 
1641         v[i+2].quantity == v[i].quantity) \   << 
1642     continuous = true; \                      << 
1643   }                                           << 
1644                                               << 
1645   G4double a, b, c, d;                        << 
1646 #define INTERPOLATEPLANE(plane) \             << 
1647 INTERPOLATE(plane.a()); a = real; \           << 
1648 INTERPOLATE(plane.b()); b = real; \           << 
1649 INTERPOLATE(plane.c()); c = real; \           << 
1650 INTERPOLATE(plane.d()); d = real;             << 
1651                                               << 
1652   // Section plane                            << 
1653   CONTINUITY(fSection);                       << 
1654   if (continuous) {                           << 
1655     INTERPOLATEPLANE(fSectionPlane);          << 
1656     holdingValues.fSectionPlane = G4Plane3D(a << 
1657   }                                           << 
1658                                               << 
1659   // Cutaway planes                           << 
1660   if (v[i].fCutawayPlanes.size()) {           << 
1661     CONTINUITY(fCutawayPlanes.size());        << 
1662     if (continuous) {                         << 
1663       for (size_t j = 0; j < v[i].fCutawayPla << 
1664         INTERPOLATEPLANE(fCutawayPlanes[j]);  << 
1665         holdingValues.fCutawayPlanes[j] = G4P << 
1666       }                                       << 
1667     }                                         << 
1668   }                                           << 
1669                                               << 
1670   // Vis attributes modifiers                 << 
1671   // Really, we are only interested in colour << 
1672   // the "crude" interpolation that is guaran << 
1673   static G4VisAttributes workingVA;           << 
1674   if  (v[i].fVisAttributesModifiers.size()) { << 
1675     CONTINUITY(fVisAttributesModifiers.size() << 
1676     if (continuous) {                         << 
1677       for (size_t j = 0; j < v[i].fVisAttribu << 
1678         CONTINUITY(fVisAttributesModifiers[j] << 
1679         if (continuous) {                     << 
1680           CONTINUITY(fVisAttributesModifiers[ << 
1681           if (continuous) {                   << 
1682             if (v[i].fVisAttributesModifiers[ << 
1683                 G4ModelingParameters::VASColo << 
1684               INTERPOLATECOLOUR(fVisAttribute << 
1685               workingVA = v[i].fVisAttributes << 
1686               workingVA.SetColour(G4Colour(re << 
1687               holdingValues.fVisAttributesMod << 
1688             }                                 << 
1689           }                                   << 
1690         }                                     << 
1691       }                                       << 
1692     }                                         << 
1693   }                                           << 
1694                                               << 
1695   // Time window parameters (for showing part << 
1696   // Only two parameters are interpolated. Th << 
1697   // once and for all by the user for a given << 
1698   // if not, they will be interpolated by the << 
1699   INTERPOLATE(fStartTime)                     << 
1700   holdingValues.fStartTime = real;            << 
1701   INTERPOLATE(fEndTime)                       << 
1702   holdingValues.fEndTime = real;              << 
1703                                               << 
1704   // Increment counters                       << 
1705   iInterpolationPoint++;                      << 
1706   t += dt;                                    << 
1707   if (iInterpolationPoint > nInterpolationPoi << 
1708     iInterpolationPoint = 1;  // Ready for ne << 
1709     t = dt;                                   << 
1710     iInterval++;                              << 
1711   }                                           << 
1712   if (iInterval >= nIntervals) {              << 
1713     iInterpolationPoint = 0;  // Ready for a  << 
1714     t = 0.;                                   << 
1715     iInterval = 0;                            << 
1716     return 0;                                 << 
1717   }                                           << 
1718                                               << 
1719   return &holdingValues;                      << 
1720 }                                                475 }
1721                                                  476