| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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10 // * 10 // * *
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18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id: G4OpenGLViewer.cc,v 1.34 2007/05/24 18:27:13 allison Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-03 $
27 // 29 //
28 // 30 //
29 // Andrew Walkden 27th March 1996 31 // Andrew Walkden 27th March 1996
30 // OpenGL view - opens window, hard copy, etc. 32 // OpenGL view - opens window, hard copy, etc.
31 33
>> 34 #ifdef G4VIS_BUILD_OPENGL_DRIVER
>> 35
32 #include "G4ios.hh" 36 #include "G4ios.hh"
33 #include <CLHEP/Units/SystemOfUnits.h> <<
34 #include "G4OpenGLViewer.hh" 37 #include "G4OpenGLViewer.hh"
35 #include "G4OpenGLSceneHandler.hh" 38 #include "G4OpenGLSceneHandler.hh"
36 #include "G4OpenGLTransform3D.hh" 39 #include "G4OpenGLTransform3D.hh"
37 40
38 #include "G4gl2ps.hh" <<
39 #define GL2PS_TEXT_B TOOLS_GL2PS_TEXT_B <<
40 #define GL2PS_TEXT_BL TOOLS_GL2PS_TEXT_BL <<
41 #define GL2PS_TEXT_BR TOOLS_GL2PS_TEXT_BR <<
42 <<
43 #include "G4Scene.hh" 41 #include "G4Scene.hh"
44 #include "G4VisExtent.hh" 42 #include "G4VisExtent.hh"
45 #include "G4LogicalVolume.hh" 43 #include "G4LogicalVolume.hh"
46 #include "G4VSolid.hh" 44 #include "G4VSolid.hh"
47 #include "G4Point3D.hh" 45 #include "G4Point3D.hh"
48 #include "G4Normal3D.hh" 46 #include "G4Normal3D.hh"
49 #include "G4Plane3D.hh" 47 #include "G4Plane3D.hh"
50 #include "G4AttHolder.hh" 48 #include "G4AttHolder.hh"
51 #include "G4AttCheck.hh" 49 #include "G4AttCheck.hh"
52 #include "G4Text.hh" <<
53 <<
54 #include <sstream> 50 #include <sstream>
55 #include <string> << 51
56 #include <iomanip> << 52 static const char* gouraudtriangleEPS[] =
>> 53 {
>> 54 "/bd{bind def}bind def /triangle { aload pop setrgbcolor aload pop 5 3",
>> 55 "roll 4 2 roll 3 2 roll exch moveto lineto lineto closepath fill } bd",
>> 56 "/computediff1 { 2 copy sub abs threshold ge {pop pop pop true} { exch 2",
>> 57 "index sub abs threshold ge { pop pop true} { sub abs threshold ge } ifelse",
>> 58 "} ifelse } bd /computediff3 { 3 copy 0 get 3 1 roll 0 get 3 1 roll 0 get",
>> 59 "computediff1 {true} { 3 copy 1 get 3 1 roll 1 get 3 1 roll 1 get",
>> 60 "computediff1 {true} { 3 copy 2 get 3 1 roll 2 get 3 1 roll 2 get",
>> 61 "computediff1 } ifelse } ifelse } bd /middlecolor { aload pop 4 -1 roll",
>> 62 "aload pop 4 -1 roll add 2 div 5 1 roll 3 -1 roll add 2 div 3 1 roll add 2",
>> 63 "div 3 1 roll exch 3 array astore } bd /gouraudtriangle { computediff3 { 4",
>> 64 "-1 roll aload 7 1 roll 6 -1 roll pop 3 -1 roll pop add 2 div 3 1 roll add",
>> 65 "2 div exch 3 -1 roll aload 7 1 roll exch pop 4 -1 roll pop add 2 div 3 1",
>> 66 "roll add 2 div exch 3 -1 roll aload 7 1 roll pop 3 -1 roll pop add 2 div 3",
>> 67 "1 roll add 2 div exch 7 3 roll 10 -3 roll dup 3 index middlecolor 4 1 roll",
>> 68 "2 copy middlecolor 4 1 roll 3 copy pop middlecolor 4 1 roll 13 -1 roll",
>> 69 "aload pop 17 index 6 index 15 index 19 index 6 index 17 index 6 array",
>> 70 "astore 10 index 10 index 14 index gouraudtriangle 17 index 5 index 17",
>> 71 "index 19 index 5 index 19 index 6 array astore 10 index 9 index 13 index",
>> 72 "gouraudtriangle 13 index 16 index 5 index 15 index 18 index 5 index 6",
>> 73 "array astore 12 index 12 index 9 index gouraudtriangle 17 index 16 index",
>> 74 "15 index 19 index 18 index 17 index 6 array astore 10 index 12 index 14",
>> 75 "index gouraudtriangle 18 {pop} repeat } { aload pop 5 3 roll aload pop 7 3",
>> 76 "roll aload pop 9 3 roll 4 index 6 index 4 index add add 3 div 10 1 roll 7",
>> 77 "index 5 index 3 index add add 3 div 10 1 roll 6 index 4 index 2 index add",
>> 78 "add 3 div 10 1 roll 9 {pop} repeat 3 array astore triangle } ifelse } bd",
>> 79 NULL
>> 80 };
57 81
58 G4OpenGLViewer::G4OpenGLViewer (G4OpenGLSceneH 82 G4OpenGLViewer::G4OpenGLViewer (G4OpenGLSceneHandler& scene):
59 G4VViewer (scene, -1), 83 G4VViewer (scene, -1),
60 fPrintColour (true), << 84 pointSize (0),
61 fVectoredPs (true), << 85 print_colour (true),
>> 86 vectored_ps (true),
62 fOpenGLSceneHandler(scene), 87 fOpenGLSceneHandler(scene),
63 background (G4Colour(0.,0.,0.)), 88 background (G4Colour(0.,0.,0.)),
64 transparency_enabled (true), 89 transparency_enabled (true),
65 antialiasing_enabled (false), 90 antialiasing_enabled (false),
66 haloing_enabled (false), 91 haloing_enabled (false),
67 fRot_sens(1.), << 92 fStartTime(-G4OPENGL_DBL_MAX),
68 fPan_sens(0.01), << 93 fEndTime(G4OPENGL_DBL_MAX),
69 fWinSize_x(0), << 94 fFadeFactor(0.),
70 fWinSize_y(0), << 95 fDisplayHeadTime(false),
71 fDefaultExportImageFormat("pdf"), << 96 fDisplayHeadTimeX(-0.9),
72 fExportImageFormat("pdf"), << 97 fDisplayHeadTimeY(-0.9),
73 fExportFilenameIndex(0), << 98 fDisplayHeadTimeSize(24.),
74 fPrintSizeX(-1), << 99 fDisplayHeadTimeRed(0.),
75 fPrintSizeY(-1), << 100 fDisplayHeadTimeGreen(1.),
76 fPointSize (0), << 101 fDisplayHeadTimeBlue(1.),
77 fDefaultExportFilename("G4OpenGL"), << 102 fDisplayLightFront(false),
78 fSizeHasChanged(0), << 103 fDisplayLightFrontX(0.),
79 fGl2psDefaultLineWith(1), << 104 fDisplayLightFrontY(0.),
80 fGl2psDefaultPointSize(2), << 105 fDisplayLightFrontZ(0.),
81 fGlViewInitialized(false), << 106 fDisplayLightFrontT(0.),
82 fIsGettingPickInfos(false) << 107 fDisplayLightFrontRed(0.),
>> 108 fDisplayLightFrontGreen(1.),
>> 109 fDisplayLightFrontBlue(0.)
83 { 110 {
84 // Make changes to view parameters for OpenG 111 // Make changes to view parameters for OpenGL...
85 fVP.SetAutoRefresh(true); 112 fVP.SetAutoRefresh(true);
86 fDefaultVP.SetAutoRefresh(true); 113 fDefaultVP.SetAutoRefresh(true);
87 fGL2PSAction = new G4gl2ps(); <<
88 tools_gl2ps_gl_funcs_t _funcs = { <<
89 (tools_glIsEnabled_func)glIsEnabled, <<
90 (tools_glBegin_func)glBegin, <<
91 (tools_glEnd_func)glEnd, <<
92 (tools_glGetFloatv_func)glGetFloatv, <<
93 (tools_glVertex3f_func)glVertex3f, <<
94 (tools_glGetBooleanv_func)glGetBooleanv, <<
95 (tools_glGetIntegerv_func)glGetIntegerv, <<
96 (tools_glRenderMode_func)glRenderMode, <<
97 (tools_glFeedbackBuffer_func)glFeedbackBuf <<
98 (tools_glPassThrough_func)glPassThrough <<
99 }; <<
100 fGL2PSAction->setOpenGLFunctions(&_funcs); <<
101 <<
102 // add supported export image format <<
103 addExportImageFormat("eps"); <<
104 addExportImageFormat("ps"); <<
105 addExportImageFormat("pdf"); <<
106 addExportImageFormat("svg"); <<
107 114
108 // Change the default name <<
109 fExportFilename += fDefaultExportFilename + <<
110 <<
111 // glClearColor (0.0, 0.0, 0.0, 0.0); 115 // glClearColor (0.0, 0.0, 0.0, 0.0);
112 // glClearDepth (1.0); 116 // glClearDepth (1.0);
113 // glDisable (GL_BLEND); 117 // glDisable (GL_BLEND);
114 // glDisable (GL_LINE_SMOOTH); 118 // glDisable (GL_LINE_SMOOTH);
115 // glDisable (GL_POLYGON_SMOOTH); 119 // glDisable (GL_POLYGON_SMOOTH);
116 120
>> 121 strcpy (print_string, "G4OpenGL.eps");
117 } 122 }
118 123
119 G4OpenGLViewer::~G4OpenGLViewer () << 124 G4OpenGLViewer::~G4OpenGLViewer () {}
120 { <<
121 delete fGL2PSAction; <<
122 } <<
123 125
124 void G4OpenGLViewer::InitializeGLView () 126 void G4OpenGLViewer::InitializeGLView ()
125 { 127 {
126 if (fWinSize_x == 0) { <<
127 fWinSize_x = fVP.GetWindowSizeHintX(); <<
128 } <<
129 if (fWinSize_y == 0) { <<
130 fWinSize_y = fVP.GetWindowSizeHintY(); <<
131 } <<
132 <<
133 glClearColor (0.0, 0.0, 0.0, 0.0); 128 glClearColor (0.0, 0.0, 0.0, 0.0);
134 glClearDepth (1.0); 129 glClearDepth (1.0);
>> 130 glDisable (GL_BLEND);
135 glDisable (GL_LINE_SMOOTH); 131 glDisable (GL_LINE_SMOOTH);
136 glDisable (GL_POLYGON_SMOOTH); 132 glDisable (GL_POLYGON_SMOOTH);
137 << 133 }
138 // clear the buffers and window? <<
139 ClearView (); <<
140 FinishView (); <<
141 <<
142 glDepthFunc (GL_LEQUAL); <<
143 glDepthMask (GL_TRUE); <<
144 <<
145 glEnable (GL_BLEND); <<
146 glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ <<
147 <<
148 } <<
149 134
150 void G4OpenGLViewer::ClearView () { 135 void G4OpenGLViewer::ClearView () {
151 ClearViewWithoutFlush(); <<
152 <<
153 if(!isFramebufferReady()) { <<
154 return; <<
155 } <<
156 <<
157 glFlush(); <<
158 } <<
159 <<
160 <<
161 void G4OpenGLViewer::ClearViewWithoutFlush () <<
162 // Ready for clear ? <<
163 // See : http://lists.apple.com/archives/mac <<
164 if(!isFramebufferReady()) { <<
165 return; <<
166 } <<
167 <<
168 glClearColor (background.GetRed(), 136 glClearColor (background.GetRed(),
169 background.GetGreen(), << 137 background.GetGreen(),
170 background.GetBlue(), << 138 background.GetBlue(),
171 1.); << 139 1.);
172 glClearDepth (1.0); 140 glClearDepth (1.0);
173 //Below line does not compile with Mesa incl << 141 //Below line does not compile with Mesa includes.
174 //glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BU << 142 //glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
175 glClear (GL_COLOR_BUFFER_BIT); 143 glClear (GL_COLOR_BUFFER_BIT);
176 glClear (GL_DEPTH_BUFFER_BIT); 144 glClear (GL_DEPTH_BUFFER_BIT);
177 glClear (GL_STENCIL_BUFFER_BIT); 145 glClear (GL_STENCIL_BUFFER_BIT);
>> 146 glFlush ();
178 } 147 }
179 148
180 <<
181 void G4OpenGLViewer::ResizeWindow(unsigned int <<
182 if ((fWinSize_x != aWidth) || (fWinSize_y != <<
183 fWinSize_x = aWidth; <<
184 fWinSize_y = aHeight; <<
185 fSizeHasChanged = true; <<
186 } else { <<
187 fSizeHasChanged = false; <<
188 } <<
189 } <<
190 <<
191 /** <<
192 * Set the viewport of the scene <<
193 * MAXIMUM SIZE is : <<
194 * GLint dims[2]; <<
195 * glGetIntegerv(GL_MAX_VIEWPORT_DIMS, dims); <<
196 */ <<
197 void G4OpenGLViewer::ResizeGLView() <<
198 { <<
199 // Check size <<
200 GLint dims[2]; <<
201 dims[0] = 0; <<
202 dims[1] = 0; <<
203 <<
204 glGetIntegerv(GL_MAX_VIEWPORT_DIMS, dims); <<
205 <<
206 if ((dims[0] !=0 ) && (dims[1] !=0)) { <<
207 <<
208 if (fWinSize_x > (unsigned)dims[0]) { <<
209 G4cerr << "Try to resize view greater th <<
210 fWinSize_x = dims[0]; <<
211 } <<
212 if (fWinSize_y > (unsigned)dims[1]) { <<
213 G4cerr << "Try to resize view greater th <<
214 fWinSize_y = dims[1]; <<
215 } <<
216 } <<
217 <<
218 glViewport(0, 0, fWinSize_x,fWinSize_y); <<
219 <<
220 <<
221 } <<
222 <<
223 <<
224 void G4OpenGLViewer::SetView () { 149 void G4OpenGLViewer::SetView () {
225 // if getting pick infos, should not resize <<
226 if (fIsGettingPickInfos) return; <<
227 150
228 if (!fSceneHandler.GetScene()) { <<
229 return; <<
230 } <<
231 // Calculates view representation based on e 151 // Calculates view representation based on extent of object being
232 // viewed and (initial) viewpoint. (Note: i 152 // viewed and (initial) viewpoint. (Note: it can change later due
233 // to user interaction via visualization sys 153 // to user interaction via visualization system's GUI.)
234 154
235 // Lighting. 155 // Lighting.
236 GLfloat lightPosition [4]; 156 GLfloat lightPosition [4];
237 lightPosition [0] = fVP.GetActualLightpointD 157 lightPosition [0] = fVP.GetActualLightpointDirection().x();
238 lightPosition [1] = fVP.GetActualLightpointD 158 lightPosition [1] = fVP.GetActualLightpointDirection().y();
239 lightPosition [2] = fVP.GetActualLightpointD 159 lightPosition [2] = fVP.GetActualLightpointDirection().z();
240 lightPosition [3] = 0.; 160 lightPosition [3] = 0.;
241 // Light position is "true" light direction, 161 // Light position is "true" light direction, so must come after gluLookAt.
242 GLfloat ambient [] = { 0.2f, 0.2f, 0.2f, 1.f << 162 GLfloat ambient [] = { 0.2, 0.2, 0.2, 1.};
243 GLfloat diffuse [] = { 0.8f, 0.8f, 0.8f, 1.f << 163 GLfloat diffuse [] = { 0.8, 0.8, 0.8, 1.};
244 glEnable (GL_LIGHT0); 164 glEnable (GL_LIGHT0);
245 glLightfv (GL_LIGHT0, GL_AMBIENT, ambient); 165 glLightfv (GL_LIGHT0, GL_AMBIENT, ambient);
246 glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse); 166 glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse);
247 167
248 G4double ratioX = 1; <<
249 G4double ratioY = 1; <<
250 if (fWinSize_y > fWinSize_x) { <<
251 ratioX = ((G4double)fWinSize_y) / ((G4doub <<
252 } <<
253 if (fWinSize_x > fWinSize_y) { <<
254 ratioY = ((G4double)fWinSize_x) / ((G4doub <<
255 } <<
256 <<
257 // Get radius of scene, etc. 168 // Get radius of scene, etc.
258 // Note that this procedure properly takes i 169 // Note that this procedure properly takes into account zoom, dolly and pan.
259 const G4Point3D targetPoint 170 const G4Point3D targetPoint
260 = fSceneHandler.GetScene()->GetStandardTar 171 = fSceneHandler.GetScene()->GetStandardTargetPoint()
261 + fVP.GetCurrentTargetPoint (); 172 + fVP.GetCurrentTargetPoint ();
262 G4double radius = fSceneHandler.GetScene()-> 173 G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
263 if(radius<=0.) radius = 1.; 174 if(radius<=0.) radius = 1.;
264 const G4double cameraDistance = fVP.GetCamer 175 const G4double cameraDistance = fVP.GetCameraDistance (radius);
265 const G4Point3D cameraPosition = 176 const G4Point3D cameraPosition =
266 targetPoint + cameraDistance * fVP.GetView 177 targetPoint + cameraDistance * fVP.GetViewpointDirection().unit();
267 const GLdouble pnear = fVP.GetNearDistance << 178 const GLdouble pnear = fVP.GetNearDistance (cameraDistance, radius);
268 const GLdouble pfar = fVP.GetFarDistance << 179 const GLdouble pfar = fVP.GetFarDistance (cameraDistance, pnear, radius);
269 const GLdouble right = fVP.GetFrontHalfHeig << 180 const GLdouble right = fVP.GetFrontHalfHeight (pnear, radius);
270 const GLdouble left = -right; 181 const GLdouble left = -right;
271 const GLdouble top = fVP.GetFrontHalfHeig << 182 const GLdouble bottom = left;
272 const GLdouble bottom = -top; << 183 const GLdouble top = right;
273 184
274 // FIXME <<
275 ResizeGLView(); <<
276 //SHOULD SetWindowsSizeHint()... <<
277 <<
278 glMatrixMode (GL_PROJECTION); // set up Frus 185 glMatrixMode (GL_PROJECTION); // set up Frustum.
279 glLoadIdentity(); 186 glLoadIdentity();
280 187
281 const G4Vector3D scaleFactor = fVP.GetScaleF << 188 const G4Vector3D scale = fVP.GetScaleFactor();
282 glScaled(scaleFactor.x(),scaleFactor.y(),sca << 189 glScaled(scale.x(),scale.y(),scale.z());
283 190
284 if (fVP.GetFieldHalfAngle() == 0.) { 191 if (fVP.GetFieldHalfAngle() == 0.) {
285 g4GlOrtho (left, right, bottom, top, pnear << 192 glOrtho (left, right, bottom, top, pnear, pfar);
286 } 193 }
287 else { 194 else {
288 g4GlFrustum (left, right, bottom, top, pne << 195 glFrustum (left, right, bottom, top, pnear, pfar);
289 } << 196 }
290 << 197
291 glMatrixMode (GL_MODELVIEW); // apply furthe 198 glMatrixMode (GL_MODELVIEW); // apply further transformations to scene.
292 glLoadIdentity(); 199 glLoadIdentity();
293 200
294 const G4Normal3D& upVector = fVP.GetUpVector 201 const G4Normal3D& upVector = fVP.GetUpVector ();
295 G4Point3D gltarget; 202 G4Point3D gltarget;
296 if (cameraDistance > 1.e-6 * radius) { 203 if (cameraDistance > 1.e-6 * radius) {
297 gltarget = targetPoint; 204 gltarget = targetPoint;
298 } 205 }
299 else { 206 else {
300 gltarget = targetPoint - radius * fVP.GetV 207 gltarget = targetPoint - radius * fVP.GetViewpointDirection().unit();
301 } 208 }
302 209
303 const G4Point3D& pCamera = cameraPosition; 210 const G4Point3D& pCamera = cameraPosition; // An alias for brevity.
304 << 211 gluLookAt (pCamera.x(), pCamera.y(), pCamera.z(), // Viewpoint.
305 g4GluLookAt (pCamera.x(), pCamera.y(), pCa << 212 gltarget.x(), gltarget.y(), gltarget.z(), // Target point.
306 gltarget.x(), gltarget.y(), gltar << 213 upVector.x(), upVector.y(), upVector.z()); // Up vector.
307 upVector.x(), upVector.y(), upVec << 214
308 // Light position is "true" light direction, 215 // Light position is "true" light direction, so must come after gluLookAt.
309 glLightfv (GL_LIGHT0, GL_POSITION, lightPosi 216 glLightfv (GL_LIGHT0, GL_POSITION, lightPosition);
310 217
311 // The idea is to use back-to-back clipping << 218 // OpenGL no longer seems to reconstruct clipped edges, so, when the
312 // down to just a few pixels, which can make << 219 // BooleanProcessor is up to it, abandon this and use generic
313 // now, comment this out and use the generic << 220 // clipping in G4OpenGLSceneHandler::CreateSectionPolyhedron. Also,
314 // G4VSolid* G4OpenGLSceneHandler::CreateSec << 221 // force kernel visit on change of clipping plane in
315 // { return G4VSceneHandler::CreateSectionSo << 222 // G4OpenGLStoredViewer::CompareForKernelVisit.
316 // if (fVP.IsSection () ) { // pair of back << 223 if (fVP.IsSection () ) { // pair of back to back clip planes.
317 // const G4Plane3D& sp = fVP.GetSectionPlan << 224 const G4Plane3D& s = fVP.GetSectionPlane ();
318 // double sArray[4]; << 225 double sArray[4];
319 // sArray[0] = sp.a(); << 226 sArray[0] = s.a();
320 // sArray[1] = sp.b(); << 227 sArray[1] = s.b();
321 // sArray[2] = sp.c(); << 228 sArray[2] = s.c();
322 // sArray[3] = sp.d() + radius * 1.e-05; << 229 sArray[3] = s.d() + radius * 1.e-05;
323 // glClipPlane (GL_CLIP_PLANE0, sArray); << 230 glClipPlane (GL_CLIP_PLANE0, sArray);
324 // glEnable (GL_CLIP_PLANE0); << 231 glEnable (GL_CLIP_PLANE0);
325 // sArray[0] = -sp.a(); << 232 sArray[0] = -s.a();
326 // sArray[1] = -sp.b(); << 233 sArray[1] = -s.b();
327 // sArray[2] = -sp.c(); << 234 sArray[2] = -s.c();
328 // sArray[3] = -sp.d() + radius * 1.e-05; << 235 sArray[3] = -s.d() + radius * 1.e-05;
329 // glClipPlane (GL_CLIP_PLANE1, sArray); << 236 glClipPlane (GL_CLIP_PLANE1, sArray);
330 // glEnable (GL_CLIP_PLANE1); << 237 glEnable (GL_CLIP_PLANE1);
331 // } else { << 238 } else {
332 // glDisable (GL_CLIP_PLANE0); << 239 glDisable (GL_CLIP_PLANE0);
333 // glDisable (GL_CLIP_PLANE1); << 240 glDisable (GL_CLIP_PLANE1);
334 // } << 241 }
335 << 242
336 // What we call intersection of cutaways is <<
337 // just keep cutting. Unions are more trick <<
338 // multiple passes and this is handled in <<
339 // G4OpenGLImmediate/StoredViewer::ProcessVi <<
340 const G4Planes& cutaways = fVP.GetCutawayPla 243 const G4Planes& cutaways = fVP.GetCutawayPlanes();
341 size_t nPlanes = cutaways.size(); 244 size_t nPlanes = cutaways.size();
342 if (fVP.IsCutaway() && 245 if (fVP.IsCutaway() &&
343 fVP.GetCutawayMode() == G4ViewParameters << 246 fVP.GetCutawayMode() == G4ViewParameters::cutawayIntersection &&
>> 247 nPlanes > 0) {
344 double a[4]; 248 double a[4];
345 a[0] = cutaways[0].a(); 249 a[0] = cutaways[0].a();
346 a[1] = cutaways[0].b(); 250 a[1] = cutaways[0].b();
347 a[2] = cutaways[0].c(); 251 a[2] = cutaways[0].c();
348 a[3] = cutaways[0].d(); 252 a[3] = cutaways[0].d();
349 glClipPlane (GL_CLIP_PLANE2, a); 253 glClipPlane (GL_CLIP_PLANE2, a);
350 glEnable (GL_CLIP_PLANE2); 254 glEnable (GL_CLIP_PLANE2);
351 if (nPlanes > 1) { 255 if (nPlanes > 1) {
352 a[0] = cutaways[1].a(); 256 a[0] = cutaways[1].a();
353 a[1] = cutaways[1].b(); 257 a[1] = cutaways[1].b();
354 a[2] = cutaways[1].c(); 258 a[2] = cutaways[1].c();
355 a[3] = cutaways[1].d(); 259 a[3] = cutaways[1].d();
356 glClipPlane (GL_CLIP_PLANE3, a); 260 glClipPlane (GL_CLIP_PLANE3, a);
357 glEnable (GL_CLIP_PLANE3); 261 glEnable (GL_CLIP_PLANE3);
358 } 262 }
359 if (nPlanes > 2) { 263 if (nPlanes > 2) {
360 a[0] = cutaways[2].a(); 264 a[0] = cutaways[2].a();
361 a[1] = cutaways[2].b(); 265 a[1] = cutaways[2].b();
362 a[2] = cutaways[2].c(); 266 a[2] = cutaways[2].c();
363 a[3] = cutaways[2].d(); 267 a[3] = cutaways[2].d();
364 glClipPlane (GL_CLIP_PLANE4, a); 268 glClipPlane (GL_CLIP_PLANE4, a);
365 glEnable (GL_CLIP_PLANE4); 269 glEnable (GL_CLIP_PLANE4);
366 } 270 }
367 } else { 271 } else {
368 glDisable (GL_CLIP_PLANE2); 272 glDisable (GL_CLIP_PLANE2);
369 glDisable (GL_CLIP_PLANE3); 273 glDisable (GL_CLIP_PLANE3);
370 glDisable (GL_CLIP_PLANE4); 274 glDisable (GL_CLIP_PLANE4);
371 } 275 }
372 276
373 // Background. 277 // Background.
374 background = fVP.GetBackgroundColour (); 278 background = fVP.GetBackgroundColour ();
375 279
376 } 280 }
377 281
378 <<
379 <<
380 void G4OpenGLViewer::ResetView () { <<
381 G4VViewer::ResetView(); <<
382 fRot_sens = 1; <<
383 fPan_sens = 0.01; <<
384 } <<
385 <<
386 <<
387 void G4OpenGLViewer::HaloingFirstPass () { 282 void G4OpenGLViewer::HaloingFirstPass () {
388 283
389 //To perform haloing, first Draw all informa 284 //To perform haloing, first Draw all information to the depth buffer
390 //alone, using a chunky line width, and then 285 //alone, using a chunky line width, and then Draw all info again, to
391 //the colour buffer, setting a thinner line 286 //the colour buffer, setting a thinner line width an the depth testing
392 //function to less than or equal, so if two 287 //function to less than or equal, so if two lines cross, the one
393 //passing behind the other will not pass the 288 //passing behind the other will not pass the depth test, and so not
394 //get rendered either side of the infront li 289 //get rendered either side of the infront line for a short distance.
395 290
396 //First, disable writing to the colo(u)r buf 291 //First, disable writing to the colo(u)r buffer...
397 glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, G 292 glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
398 293
399 //Now enable writing to the depth buffer... 294 //Now enable writing to the depth buffer...
400 glDepthMask (GL_TRUE); 295 glDepthMask (GL_TRUE);
401 glDepthFunc (GL_LESS); 296 glDepthFunc (GL_LESS);
402 glClearDepth (1.0); 297 glClearDepth (1.0);
403 298
404 //Finally, set the line width to something w 299 //Finally, set the line width to something wide...
405 ChangeLineWidth(3.0); << 300 glLineWidth (3.0);
406 301
407 } 302 }
408 303
409 void G4OpenGLViewer::HaloingSecondPass () { 304 void G4OpenGLViewer::HaloingSecondPass () {
410 305
411 //And finally, turn the colour buffer back o 306 //And finally, turn the colour buffer back on with a sesible line width...
412 glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_T 307 glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
413 glDepthFunc (GL_LEQUAL); 308 glDepthFunc (GL_LEQUAL);
414 ChangeLineWidth(1.0); << 309 glLineWidth (1.0);
415 310
416 } 311 }
417 312
418 G4String G4OpenGLViewer::Pick(GLdouble x, GLdo << 313 void G4OpenGLViewer::Pick(GLdouble x, GLdouble y)
419 { <<
420 const std::vector < G4OpenGLViewerPickMap* > <<
421 G4String txt = ""; <<
422 if (pickMap.size() == 0) { <<
423 // txt += "No hits recorded.";; <<
424 } else { <<
425 for (unsigned int a=0; a < pickMap.size(); <<
426 if (pickMap[a]->getAttributes().size() > <<
427 txt += pickMap[a]->print(); <<
428 } <<
429 } <<
430 } <<
431 return txt; <<
432 } <<
433 <<
434 const std::vector < G4OpenGLViewerPickMap* > & <<
435 { 314 {
436 static std::vector < G4OpenGLViewerPickMap* << 315 //G4cout << "X: " << x << ", Y: " << y << G4endl;
437 for (auto pickMap: pickMapVector) { <<
438 delete pickMap; <<
439 } <<
440 pickMapVector.clear(); <<
441 <<
442 const G4int BUFSIZE = 512; 316 const G4int BUFSIZE = 512;
443 GLuint selectBuffer[BUFSIZE]; 317 GLuint selectBuffer[BUFSIZE];
444 glSelectBuffer(BUFSIZE, selectBuffer); 318 glSelectBuffer(BUFSIZE, selectBuffer);
445 glRenderMode(GL_SELECT); 319 glRenderMode(GL_SELECT);
446 glInitNames(); 320 glInitNames();
447 glPushName(0); 321 glPushName(0);
448 glMatrixMode(GL_PROJECTION); 322 glMatrixMode(GL_PROJECTION);
449 G4double currentProjectionMatrix[16]; 323 G4double currentProjectionMatrix[16];
450 glGetDoublev(GL_PROJECTION_MATRIX, currentPr 324 glGetDoublev(GL_PROJECTION_MATRIX, currentProjectionMatrix);
451 glPushMatrix(); 325 glPushMatrix();
452 glLoadIdentity(); 326 glLoadIdentity();
453 GLint viewport[4]; 327 GLint viewport[4];
454 glGetIntegerv(GL_VIEWPORT, viewport); 328 glGetIntegerv(GL_VIEWPORT, viewport);
455 /* G4cout <<
456 << "viewport, x,y: " <<
457 << viewport[0] << ',' << viewport[1] << ',' <<
458 << ", " << x << ',' << y <<
459 << G4endl; <<
460 */ <<
461 fIsGettingPickInfos = true; <<
462 // Define 5x5 pixel pick area 329 // Define 5x5 pixel pick area
463 g4GluPickMatrix(x, viewport[3] - y, 5., 5., << 330 gluPickMatrix(x, viewport[3] - y, 5., 5., viewport);
464 glMultMatrixd(currentProjectionMatrix); 331 glMultMatrixd(currentProjectionMatrix);
465 glMatrixMode(GL_MODELVIEW); 332 glMatrixMode(GL_MODELVIEW);
466 DrawView(); 333 DrawView();
467 GLint hits = glRenderMode(GL_RENDER); 334 GLint hits = glRenderMode(GL_RENDER);
468 fIsGettingPickInfos = false; << 335 if (hits < 0)
469 if (hits < 0) { << 336 G4cout << "Too many hits. Zoom in to reduce overlaps." << G4cout;
470 G4cout << "Too many hits. Zoom in to redu << 337 else if (hits > 0) {
471 goto restoreMatrices; << 338 //G4cout << hits << " hit(s)" << G4endl;
472 } <<
473 if (hits > 0) { <<
474 GLuint* p = selectBuffer; 339 GLuint* p = selectBuffer;
475 for (GLint i = 0; i < hits; ++i) { 340 for (GLint i = 0; i < hits; ++i) {
476 GLuint nnames = *p++; 341 GLuint nnames = *p++;
477 // This bit of debug code or... << 342 *p++; //OR GLuint zmin = *p++;
478 //GLuint zmin = *p++; << 343 *p++; //OR GLuint zmax = *p++;
479 //GLuint zmax = *p++; <<
480 //G4cout << "Hit " << i << ": " << nname 344 //G4cout << "Hit " << i << ": " << nnames << " names"
481 // << "\nzmin: " << zmin << ", zma << 345 // << "\nzmin: " << zmin << ", zmax: " << zmax << G4endl;
482 // ...just increment the pointer <<
483 p++; <<
484 p++; <<
485 for (GLuint j = 0; j < nnames; ++j) { 346 for (GLuint j = 0; j < nnames; ++j) {
486 GLuint name = *p++; << 347 GLuint name = *p++;
>> 348 //G4cout << "Name " << j << ": PickName: " << name << G4endl;
487 std::map<GLuint, G4AttHolder*>::iterator ite 349 std::map<GLuint, G4AttHolder*>::iterator iter =
488 fOpenGLSceneHandler.fPickMap.find(name); 350 fOpenGLSceneHandler.fPickMap.find(name);
489 if (iter != fOpenGLSceneHandler.fPickMap.end 351 if (iter != fOpenGLSceneHandler.fPickMap.end()) {
490 G4AttHolder* attHolder = iter->second; 352 G4AttHolder* attHolder = iter->second;
491 if(attHolder && attHolder->GetAttDefs().si 353 if(attHolder && attHolder->GetAttDefs().size()) {
492 for (size_t iAtt = 0; << 354 for (size_t i = 0; i < attHolder->GetAttDefs().size(); ++i) {
493 iAtt < attHolder->GetAttDefs().size(); ++ << 355 G4cout << G4AttCheck(attHolder->GetAttValues()[i],
494 std::ostringstream oss; << 356 attHolder->GetAttDefs()[i]);
495 oss << G4AttCheck(attHolder->GetAttVal << 357 }
496 attHolder->Get << 358 }
497 G4OpenGLViewerPickMap* pickMap = << 359 }
498 // G4cout <<
499 // << "i,j, attHolder->GetAttDefs <<
500 // << i << ',' << j <<
501 // << ", " << attHolder->GetAttDe <<
502 // << G4endl; <<
503 // G4cout << "G4OpenGLViewer::Get <<
504 pickMap->addAttributes(oss.str() <<
505 pickMap->setHitNumber(i); <<
506 pickMap->setSubHitNumber(j); <<
507 pickMap->setPickName(name); <<
508 pickMapVector.push_back(pickMap) <<
509 } <<
510 } <<
511 } <<
512 } 360 }
>> 361 G4cout << G4endl;
513 } 362 }
514 } 363 }
515 <<
516 restoreMatrices: <<
517 glMatrixMode(GL_PROJECTION); 364 glMatrixMode(GL_PROJECTION);
518 glPopMatrix(); 365 glPopMatrix();
519 glMatrixMode(GL_MODELVIEW); 366 glMatrixMode(GL_MODELVIEW);
520 <<
521 return pickMapVector; <<
522 } 367 }
523 368
524 GLubyte* G4OpenGLViewer::grabPixels << 369 void G4OpenGLViewer::print() {
525 (int inColor, unsigned int width, unsigned int <<
526 <<
527 GLubyte* buffer; <<
528 GLint swapbytes, lsbfirst, rowlength; <<
529 GLint skiprows, skippixels, alignment; <<
530 GLenum format; <<
531 int size; <<
532 <<
533 if (inColor) { <<
534 format = GL_RGB; <<
535 size = width*height*3; <<
536 } else { <<
537 format = GL_LUMINANCE; <<
538 size = width*height*1; <<
539 } <<
540 370
541 buffer = new GLubyte[size]; << 371 // Print vectored PostScript
542 if (buffer == NULL) <<
543 return NULL; <<
544 <<
545 glGetIntegerv (GL_UNPACK_SWAP_BYTES, &swapby <<
546 glGetIntegerv (GL_UNPACK_LSB_FIRST, &lsbfirs <<
547 glGetIntegerv (GL_UNPACK_ROW_LENGTH, &rowlen <<
548 <<
549 glGetIntegerv (GL_UNPACK_SKIP_ROWS, &skiprow <<
550 glGetIntegerv (GL_UNPACK_SKIP_PIXELS, &skipp <<
551 glGetIntegerv (GL_UNPACK_ALIGNMENT, &alignme <<
552 <<
553 glPixelStorei (GL_UNPACK_SWAP_BYTES, GL_FALS <<
554 glPixelStorei (GL_UNPACK_LSB_FIRST, GL_FALSE <<
555 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); <<
556 <<
557 glPixelStorei (GL_UNPACK_SKIP_ROWS, 0); <<
558 glPixelStorei (GL_UNPACK_SKIP_PIXELS, 0); <<
559 glPixelStorei (GL_UNPACK_ALIGNMENT, 1); <<
560 <<
561 glReadBuffer(GL_FRONT); <<
562 glReadPixels (0, 0, (GLsizei)width, (GLsizei <<
563 <<
564 glPixelStorei (GL_UNPACK_SWAP_BYTES, swapbyt <<
565 glPixelStorei (GL_UNPACK_LSB_FIRST, lsbfirst <<
566 glPixelStorei (GL_UNPACK_ROW_LENGTH, rowleng <<
567 372
568 glPixelStorei (GL_UNPACK_SKIP_ROWS, skiprows << 373 G4int size = 5000000;
569 glPixelStorei (GL_UNPACK_SKIP_PIXELS, skippi <<
570 glPixelStorei (GL_UNPACK_ALIGNMENT, alignmen <<
571 <<
572 return buffer; <<
573 } <<
574 374
575 bool G4OpenGLViewer::printVectoredEPS() { << 375 GLfloat* feedback_buffer;
576 return printGl2PS(); << 376 GLint returned;
577 } << 377 FILE* file;
578 <<
579 bool G4OpenGLViewer::printNonVectoredEPS () { <<
580 <<
581 int width = getRealExportWidth(); <<
582 int height = getRealExportHeight(); <<
583 <<
584 FILE* fp; <<
585 GLubyte* pixels; <<
586 GLubyte* curpix; <<
587 int components, pos, i; <<
588 <<
589 pixels = grabPixels (fPrintColour, width, he <<
590 <<
591 if (pixels == NULL) { <<
592 G4cerr << "Failed to get pixels from Ope <<
593 return false; <<
594 } <<
595 if (fPrintColour) { <<
596 components = 3; <<
597 } else { <<
598 components = 1; <<
599 } <<
600 std::string name = getRealPrintFilename(); <<
601 fp = fopen (name.c_str(), "w"); <<
602 if (fp == NULL) { <<
603 G4cerr << "Can't open filename " << name.c <<
604 return false; <<
605 } <<
606 378
607 fprintf (fp, "%%!PS-Adobe-2.0 EPSF-1.2\n"); << 379 feedback_buffer = new GLfloat[size];
608 fprintf (fp, "%%%%Title: %s\n", name.c_str() << 380 glFeedbackBuffer (size, GL_3D_COLOR, feedback_buffer);
609 fprintf (fp, "%%%%Creator: OpenGL pixmap ren << 381 glRenderMode (GL_FEEDBACK);
610 fprintf (fp, "%%%%BoundingBox: 0 0 %d %d\n", <<
611 fprintf (fp, "%%%%EndComments\n"); <<
612 fprintf (fp, "gsave\n"); <<
613 fprintf (fp, "/bwproc {\n"); <<
614 fprintf (fp, " rgbproc\n"); <<
615 fprintf (fp, " dup length 3 idiv string 0 <<
616 fprintf (fp, " 5 -1 roll {\n"); <<
617 fprintf (fp, " add 2 1 roll 1 sub dup 0 e <<
618 fprintf (fp, " { pop 3 idiv 3 -1 roll dup <<
619 fprintf (fp, " 3 1 roll 5 -1 roll } pu <<
620 fprintf (fp, " { 2 1 roll } ifelse\n"); <<
621 fprintf (fp, " }forall\n"); <<
622 fprintf (fp, " pop pop pop\n"); <<
623 fprintf (fp, "} def\n"); <<
624 fprintf (fp, "systemdict /colorimage known n <<
625 fprintf (fp, " /colorimage {\n"); <<
626 fprintf (fp, " pop\n"); <<
627 fprintf (fp, " pop\n"); <<
628 fprintf (fp, " /rgbproc exch def\n"); <<
629 fprintf (fp, " { bwproc } image\n"); <<
630 fprintf (fp, " } def\n"); <<
631 fprintf (fp, "} if\n"); <<
632 fprintf (fp, "/picstr %d string def\n", widt <<
633 fprintf (fp, "%d %d scale\n", width, height) <<
634 fprintf (fp, "%d %d %d\n", width, height, 8) <<
635 fprintf (fp, "[%d 0 0 %d 0 0]\n", width, hei <<
636 fprintf (fp, "{currentfile picstr readhexstr <<
637 fprintf (fp, "false %d\n", components); <<
638 fprintf (fp, "colorimage\n"); <<
639 382
640 curpix = (GLubyte*) pixels; << 383 DrawView();
641 pos = 0; << 384 returned = glRenderMode (GL_RENDER);
642 for (i = width*height*components; i>0; i--) << 385
643 fprintf (fp, "%02hx ", (unsigned short)(*( << 386 if (print_string) {
644 if (++pos >= 32) { << 387 file = fopen (print_string, "w");
645 fprintf (fp, "\n"); << 388 if (file) {
646 pos = 0; << 389 spewWireframeEPS (file, returned, feedback_buffer, "rendereps");
647 } << 390 } else {
648 } << 391 printf("Could not open %s\n", print_string);
649 if (pos) <<
650 fprintf (fp, "\n"); <<
651 <<
652 fprintf (fp, "grestore\n"); <<
653 fprintf (fp, "showpage\n"); <<
654 delete [] pixels; <<
655 fclose (fp); <<
656 <<
657 // Reset for next time (useful if size chang <<
658 // fPrintSizeX = -1; <<
659 // fPrintSizeY = -1; <<
660 <<
661 return true; <<
662 } <<
663 <<
664 /** Return if gl2ps is currently writing <<
665 */ <<
666 bool G4OpenGLViewer::isGl2psWriting() { <<
667 <<
668 if (!fGL2PSAction) return false; <<
669 if (fGL2PSAction->fileWritingEnabled()) { <<
670 return true; <<
671 } <<
672 return false; <<
673 } <<
674 <<
675 <<
676 G4bool G4OpenGLViewer::isFramebufferReady() { <<
677 bool check = false; <<
678 #ifdef G4VIS_BUILD_OPENGLQT_DRIVER <<
679 check = true; <<
680 #endif <<
681 #ifdef G4VIS_BUILD_OPENGLX_DRIVER <<
682 check = false; <<
683 #endif <<
684 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER <<
685 check = false; <<
686 #endif <<
687 #ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER <<
688 check = false; <<
689 #endif <<
690 <<
691 #if GL_ARB_framebuffer_object <<
692 if (check) { <<
693 // if ( glCheckFramebufferStatus(GL_FRAMEBU <<
694 // return false; <<
695 // } <<
696 } <<
697 #endif <<
698 return true; <<
699 } <<
700 <<
701 <<
702 /* Draw Gl2Ps text if needed <<
703 */ <<
704 void G4OpenGLViewer::DrawText(const G4Text& g4 <<
705 { <<
706 // gl2ps or GL window ? <<
707 if (isGl2psWriting()) { <<
708 <<
709 G4VSceneHandler::MarkerSizeType sizeType; <<
710 G4double size = fSceneHandler.GetMarkerSiz <<
711 G4Point3D position = g4text.GetPosition(); <<
712 <<
713 G4String textString = g4text.GetText(); <<
714 <<
715 glRasterPos3d(position.x(),position.y(),po <<
716 GLint align = GL2PS_TEXT_B; <<
717 <<
718 switch (g4text.GetLayout()) { <<
719 case G4Text::left: align = GL2PS_TEXT_BL; <<
720 case G4Text::centre: align = GL2PS_TEXT_B; <<
721 case G4Text::right: align = GL2PS_TEXT_BR; <<
722 } 392 }
723 <<
724 fGL2PSAction->addTextOpt(textString.c_str( <<
725 <<
726 } else { 393 } else {
727 << 394 printBuffer (returned, feedback_buffer);
728 static G4int callCount = 0; <<
729 ++callCount; <<
730 //if (callCount <= 10 || callCount%100 == <<
731 if (callCount <= 1) { <<
732 G4cout << <<
733 "G4OpenGLViewer::DrawText: Not implemented f <<
734 << fName << <<
735 "\"\n Called with " <<
736 << g4text <<
737 << G4endl; <<
738 } <<
739 } 395 }
740 } <<
741 396
742 /** Change PointSize on gl2ps if needed << 397 delete[] feedback_buffer;
743 */ <<
744 void G4OpenGLViewer::ChangePointSize(G4double <<
745 <<
746 if (isGl2psWriting()) { <<
747 fGL2PSAction->setPointSize(int(size)); <<
748 } else { <<
749 glPointSize (size); <<
750 } <<
751 } 398 }
752 399
>> 400 void G4OpenGLViewer::print3DcolorVertex(GLint size, GLint * count, GLfloat * buffer)
>> 401 {
>> 402 G4int i;
753 403
754 /** Change LineSize on gl2ps if needed << 404 printf(" ");
755 */ << 405 for (i = 0; i < 7; i++) {
756 void G4OpenGLViewer::ChangeLineWidth(G4double << 406 printf("%4.2f ", buffer[size - (*count)]);
757 << 407 *count = *count - 1;
758 if (isGl2psWriting()) { <<
759 fGL2PSAction->setLineWidth(int(width)); <<
760 } else { <<
761 glLineWidth (width); <<
762 } 408 }
>> 409 printf("\n");
763 } 410 }
764 411
765 /** << 412 void G4OpenGLViewer::spewWireframeEPS (FILE* file, GLint size, GLfloat* buffer, const char* cr) {
766 Export image with the given name with width a <<
767 Several cases : <<
768 If name is "", filename will have the default <<
769 If name is "toto.png", set the name to "toto" <<
770 If name is "toto", set the name to "toto" and <<
771 Will also add an incremented suffix at the <<
772 */ <<
773 bool G4OpenGLViewer::exportImage(std::string n <<
774 <<
775 if (! setExportFilename(name)) { <<
776 return false; <<
777 } <<
778 <<
779 if ((width != -1) && (height != -1)) { <<
780 setExportSize(width, height); <<
781 } <<
782 <<
783 if (fExportImageFormat == "eps") { <<
784 fGL2PSAction->setExportImageFormat_EPS(); <<
785 } else if (fExportImageFormat == "ps") { <<
786 fGL2PSAction->setExportImageFormat_PS(); <<
787 } else if (fExportImageFormat == "svg") { <<
788 fGL2PSAction->setExportImageFormat_SVG(); <<
789 } else if (fExportImageFormat == "pdf") { <<
790 fGL2PSAction->setExportImageFormat_PDF(); <<
791 } else { <<
792 setExportImageFormat(fExportImageFormat,tr <<
793 return false; <<
794 } <<
795 413
796 bool res; << 414 GLfloat EPS_GOURAUD_THRESHOLD=0.1;
797 415
798 // Change the LC_NUMERIC value in order to h << 416 GLfloat clearColor[4], viewport[4];
799 // This case is only useful for French, Cana << 417 GLfloat lineWidth;
800 size_t len = strlen(setlocale(LC_NUMERIC,NUL << 418 G4int i;
801 char* oldLocale = (char*)(malloc(len+1)); <<
802 if(oldLocale!=NULL) strncpy(oldLocale,setloc <<
803 setlocale(LC_NUMERIC,"C"); <<
804 419
805 if (((fExportImageFormat == "eps") || (fExpo << 420 glGetFloatv (GL_VIEWPORT, viewport);
806 res = printNonVectoredEPS(); << 421 glGetFloatv (GL_COLOR_CLEAR_VALUE, clearColor);
807 } else { << 422 glGetFloatv (GL_LINE_WIDTH, &lineWidth);
808 res = printVectoredEPS(); << 423 glGetFloatv (GL_POINT_SIZE, &pointSize);
809 } <<
810 <<
811 // restore the local <<
812 if (oldLocale) { <<
813 setlocale(LC_NUMERIC,oldLocale); <<
814 free(oldLocale); <<
815 } <<
816 424
817 if (res == false) { << 425 fputs ("%!PS-Adobe-2.0 EPSF-2.0\n", file);
818 G4cerr << "Error saving file... " << getRe << 426 fprintf (file, "%%%%Creator: %s (using OpenGL feedback)\n", cr);
819 } else { << 427 fprintf (file, "%%%%BoundingBox: %g %g %g %g\n", viewport[0], viewport[1], viewport[2], viewport[3]);
820 G4cout << "File " << getRealPrintFilename( << 428 fputs ("%%EndComments\n", file);
>> 429 fputs ("\n", file);
>> 430 fputs ("gsave\n", file);
>> 431 fputs ("\n", file);
821 432
822 // increment index if necessary << 433 fputs ("% the gouraudtriangle PostScript fragment below is free\n", file);
823 if ( fExportFilenameIndex != -1) { << 434 fputs ("% written by Frederic Delhoume (delhoume@ilog.fr)\n", file);
824 fExportFilenameIndex++; << 435 fprintf (file, "/threshold %g def\n", EPS_GOURAUD_THRESHOLD);
825 } << 436 for (i=0; gouraudtriangleEPS[i]; i++) {
>> 437 fprintf (file, "%s\n", gouraudtriangleEPS[i]);
826 } 438 }
827 439
828 return res; << 440 fprintf(file, "\n%g setlinewidth\n", lineWidth);
829 } << 441
830 << 442 fprintf (file, "%g %g %g setrgbcolor\n", clearColor[0], clearColor[1], clearColor[2]);
831 << 443 fprintf (file, "%g %g %g %g rectfill\n\n", viewport[0], viewport[1], viewport[2], viewport[3]);
832 bool G4OpenGLViewer::printGl2PS() { <<
833 <<
834 int width = getRealExportWidth(); <<
835 int height = getRealExportHeight(); <<
836 bool res = true; <<
837 <<
838 // no need to redraw at each new primitive f <<
839 G4OpenGLSceneHandler& oglSceneHandler = dyna <<
840 G4OpenGLSceneHandler::FlushAction originalFl <<
841 oglSceneHandler.SetFlushAction(G4OpenGLScene <<
842 <<
843 if (!fGL2PSAction) return false; <<
844 <<
845 fGL2PSAction->setFileName(getRealPrintFilena <<
846 // try to resize <<
847 int X = fWinSize_x; <<
848 int Y = fWinSize_y; <<
849 <<
850 fWinSize_x = width; <<
851 fWinSize_y = height; <<
852 // Laurent G. 16/03/10 : Not the good way to <<
853 // We should draw in a new offscreen context <<
854 // resizing and drawing in current window... <<
855 // This should be solve when we will do an o <<
856 // to render OpenGL <<
857 // See : <<
858 // http://developer.apple.com/Mac/library/do <<
859 // http://www.songho.ca/opengl/gl_fbo.html <<
860 <<
861 ResizeGLView(); <<
862 bool extendBuffer = true; <<
863 bool endWriteAction = false; <<
864 bool beginWriteAction = true; <<
865 bool filePointerOk = true; <<
866 while ((extendBuffer) && (! endWriteAction) <<
867 <<
868 beginWriteAction = fGL2PSAction->enableFi <<
869 if(beginWriteAction) { <<
870 GLint vp[4]; <<
871 ::glGetIntegerv(GL_VIEWPORT,vp); <<
872 fGL2PSAction->setViewport(vp[0],vp[1],v <<
873 beginWriteAction = fGL2PSAction->beginP <<
874 } <<
875 <<
876 // 3 cases : <<
877 // - true <<
878 // - false && ! fGL2PSAction->fileWriting <<
879 // - false && fGL2PSAction->fileWritingEn <<
880 <<
881 filePointerOk = fGL2PSAction->fileWriting <<
882 <<
883 if (beginWriteAction) { <<
884 <<
885 // Set the viewport <<
886 // By default, we choose the line width <<
887 fGL2PSAction->setLineWidth(fGl2psDefaul <<
888 // By default, we choose the point size <<
889 fGL2PSAction->setPointSize(fGl2psDefaul <<
890 <<
891 DrawView (); <<
892 <<
893 endWriteAction = fGL2PSAction->endPage( <<
894 fGL2PSAction->disableFileWriting(); <<
895 } <<
896 if (filePointerOk) { <<
897 if ((! endWriteAction) || (! beginWrite <<
898 extendBuffer = fGL2PSAction->extendBu <<
899 } <<
900 } <<
901 } <<
902 fGL2PSAction->resetBufferSizeParameters(); <<
903 <<
904 if (!extendBuffer ) { <<
905 G4cerr << "ERROR: gl2ps buffer size is no <<
906 res = false; <<
907 } <<
908 if (!beginWriteAction ) { <<
909 G4cerr << "ERROR: saving file "<<getRealP <<
910 res = false; <<
911 } <<
912 if (!endWriteAction ) { <<
913 G4cerr << "gl2ps error. No output produce <<
914 res = false; <<
915 } <<
916 fWinSize_x = X; <<
917 fWinSize_y = Y; <<
918 <<
919 oglSceneHandler.SetFlushAction(originalFlush <<
920 <<
921 // Reset for next time (useful is size chang <<
922 // fPrintSizeX = 0; <<
923 // fPrintSizeY = 0; <<
924 <<
925 return res; <<
926 } <<
927 444
928 unsigned int G4OpenGLViewer::getWinWidth() con << 445 spewSortedFeedback (file, size, buffer);
929 return fWinSize_x; <<
930 } <<
931 446
932 unsigned int G4OpenGLViewer::getWinHeight() co << 447 fputs ("grestore\n\n", file);
933 return fWinSize_y; << 448 fputs ("showpage\n", file);
934 } <<
935 449
936 G4bool G4OpenGLViewer::sizeHasChanged() { << 450 fclose(file);
937 return fSizeHasChanged; <<
938 } 451 }
939 452
940 G4int G4OpenGLViewer::getRealExportWidth() { << 453 void G4OpenGLViewer::printBuffer (GLint size, GLfloat* buffer) {
941 if (fPrintSizeX == -1) { <<
942 return fWinSize_x; <<
943 } <<
944 GLint dims[2]; <<
945 glGetIntegerv(GL_MAX_VIEWPORT_DIMS, dims); <<
946 <<
947 // L.Garnier 01-2010: Some problems with mac <<
948 if ((dims[0] !=0 ) && (dims[1] !=0)) { <<
949 if (fPrintSizeX > dims[0]){ <<
950 return dims[0]; <<
951 } <<
952 } <<
953 if (fPrintSizeX < -1){ <<
954 return 0; <<
955 } <<
956 return fPrintSizeX; <<
957 } <<
958 454
959 G4int G4OpenGLViewer::getRealExportHeight() { << 455 GLint count;
960 if (fPrintSizeY == -1) { << 456 G4int token, nvertices;
961 return fWinSize_y; <<
962 } <<
963 GLint dims[2]; <<
964 glGetIntegerv(GL_MAX_VIEWPORT_DIMS, dims); <<
965 457
966 // L.Garnier 01-2010: Some problems with mac << 458 count=size;
967 if ((dims[0] !=0 ) && (dims[1] !=0)) { << 459 while(count) {
968 if (fPrintSizeY > dims[1]){ << 460 token=G4int (buffer[size-count]);
969 return dims[1]; << 461 count--;
970 } << 462 switch (token) {
971 } <<
972 if (fPrintSizeY < -1){ <<
973 return 0; <<
974 } <<
975 return fPrintSizeY; <<
976 } <<
977 463
978 void G4OpenGLViewer::setExportSize(G4int X, G4 << 464 case GL_PASS_THROUGH_TOKEN:
979 fPrintSizeX = X; << 465 printf ("GL_PASS_THROUGH_TOKEN\n");
980 fPrintSizeY = Y; << 466 printf (" %4.2f\n", buffer[size-count]);
981 } << 467 count--;
>> 468 break;
982 469
983 /** << 470 case GL_POINT_TOKEN:
984 If name is "" or "!", filename and extension << 471 printf ("GL_POINT_TOKEN\n");
985 If name is "toto.png", set the name to "toto" << 472 print3DcolorVertex (size, &count, buffer);
986 If name is "toto", set the name to "toto" and << 473 break;
987 If name is the same as previous, do not reset <<
988 */ <<
989 bool G4OpenGLViewer::setExportFilename(G4Strin <<
990 if (name == "!") { <<
991 name = ""; <<
992 } <<
993 474
994 if (inc) { << 475 case GL_LINE_TOKEN:
995 if ((name != "") && (fExportFilename != na << 476 printf ("GL_LINE_TOKEN\n");
996 fExportFilenameIndex=0; << 477 print3DcolorVertex (size, &count, buffer);
997 } << 478 print3DcolorVertex (size, &count, buffer);
998 } else { << 479 break;
999 fExportFilenameIndex=-1; << 480
1000 } << 481 case GL_LINE_RESET_TOKEN:
>> 482 printf ("GL_LINE_RESET_TOKEN\n");
>> 483 print3DcolorVertex (size, &count, buffer);
>> 484 print3DcolorVertex (size, &count, buffer);
>> 485 break;
1001 486
1002 if (name.size() == 0) { << 487 case GL_POLYGON_TOKEN:
1003 name = getRealPrintFilename().c_str(); << 488 printf ("GL_POLYGON_TOKEN\n");
1004 } else { << 489 nvertices=G4int (buffer[size-count]);
1005 // guess format by extention << 490 count--;
1006 std::string extension = name.substr(name. << 491 for (; nvertices>0; nvertices--) {
1007 // If there is a dot in the name the abov << 492 print3DcolorVertex (size, &count, buffer);
1008 if (extension.size() >= 3 && extension.si <<
1009 if (setExportImageFormat(extension, fal <<
1010 fExportFilename = name.substr(0,name. <<
1011 } else { // No viable extension found <<
1012 return false; <<
1013 } 493 }
1014 } else { // Assume name is already the r <<
1015 fExportFilename = name; <<
1016 } 494 }
1017 } 495 }
1018 return true; <<
1019 } <<
1020 <<
1021 std::string G4OpenGLViewer::getRealPrintFilen <<
1022 std::string temp = fExportFilename; <<
1023 if (fExportFilenameIndex != -1) { <<
1024 temp += std::string("_"); <<
1025 std::ostringstream os; <<
1026 os << std::setw(4) << std::setfill('0') < <<
1027 std::string nb_str = os.str(); <<
1028 temp += nb_str; <<
1029 } <<
1030 temp += "."+fExportImageFormat; <<
1031 return temp; <<
1032 } <<
1033 <<
1034 GLdouble G4OpenGLViewer::getSceneNearWidth() <<
1035 { <<
1036 if (!fSceneHandler.GetScene()) { <<
1037 return 0; <<
1038 } <<
1039 const G4Point3D targetPoint <<
1040 = fSceneHandler.GetScene()->GetStandardTa <<
1041 + fVP.GetCurrentTargetPoint (); <<
1042 G4double radius = fSceneHandler.GetScene()- <<
1043 if(radius<=0.) radius = 1.; <<
1044 const G4double cameraDistance = fVP.GetCame <<
1045 const GLdouble pnear = fVP.GetNearDistanc <<
1046 return 2 * fVP.GetFrontHalfHeight (pnear, r <<
1047 } <<
1048 <<
1049 GLdouble G4OpenGLViewer::getSceneFarWidth() <<
1050 { <<
1051 if (!fSceneHandler.GetScene()) { <<
1052 return 0; <<
1053 } <<
1054 const G4Point3D targetPoint <<
1055 = fSceneHandler.GetScene()->GetStandardTa <<
1056 + fVP.GetCurrentTargetPoint (); <<
1057 G4double radius = fSceneHandler.GetScene()- <<
1058 if(radius<=0.) radius = 1.; <<
1059 const G4double cameraDistance = fVP.GetCame <<
1060 const GLdouble pnear = fVP.GetNearDistanc <<
1061 const GLdouble pfar = fVP.GetFarDistance <<
1062 return 2 * fVP.GetFrontHalfHeight (pfar, ra <<
1063 } <<
1064 <<
1065 <<
1066 GLdouble G4OpenGLViewer::getSceneDepth() <<
1067 { <<
1068 if (!fSceneHandler.GetScene()) { <<
1069 return 0; <<
1070 } <<
1071 const G4Point3D targetPoint <<
1072 = fSceneHandler.GetScene()->GetStandardTa <<
1073 + fVP.GetCurrentTargetPoint (); <<
1074 G4double radius = fSceneHandler.GetScene()- <<
1075 if(radius<=0.) radius = 1.; <<
1076 const G4double cameraDistance = fVP.GetCame <<
1077 const GLdouble pnear = fVP.GetNearDistanc <<
1078 return fVP.GetFarDistance (cameraDistance, <<
1079 } 496 }
1080 497
>> 498 G4float* G4OpenGLViewer::spewPrimitiveEPS (FILE* file, GLfloat* loc) {
>> 499
>> 500 G4int token;
>> 501 G4int nvertices, i;
>> 502 GLfloat red, green, blue, intensity;
>> 503 G4int smooth;
>> 504 GLfloat dx, dy, dr, dg, db, absR, absG, absB, colormax;
>> 505 G4int steps;
>> 506 Feedback3Dcolor *vertex;
>> 507 GLfloat xstep(0.), ystep(0.), rstep(0.), gstep(0.), bstep(0.);
>> 508 GLfloat xnext(0.), ynext(0.), rnext(0.), gnext(0.), bnext(0.), distance(0.);
>> 509
>> 510 token=G4int (*loc);
>> 511 loc++;
>> 512 switch (token) {
>> 513 case GL_LINE_RESET_TOKEN:
>> 514 case GL_LINE_TOKEN:
>> 515 vertex=(Feedback3Dcolor*)loc;
>> 516 dr=vertex[1].red - vertex[0].red;
>> 517 dg=vertex[1].green - vertex[0].green;
>> 518 db=vertex[1].blue - vertex[0].blue;
>> 519
>> 520 if (!print_colour) {
>> 521 dr+=(dg+db);
>> 522 dr/=3.0;
>> 523 dg=dr;
>> 524 db=dr;
>> 525 }
>> 526
>> 527 if (dr!=0 || dg!=0 || db!=0) {
>> 528 dx=vertex[1].x - vertex[0].x;
>> 529 dy=vertex[1].y - vertex[0].y;
>> 530 distance=std::sqrt(dx*dx + dy*dy);
>> 531
>> 532 absR=std::fabs(dr);
>> 533 absG=std::fabs(dg);
>> 534 absB=std::fabs(db);
>> 535
>> 536 #define Max(a, b) (((a)>(b))?(a):(b))
>> 537
>> 538 #define EPS_SMOOTH_LINE_FACTOR 0.06
>> 539
>> 540 colormax=Max(absR, Max(absG, absB));
>> 541 steps=Max(1, G4int (colormax*distance*EPS_SMOOTH_LINE_FACTOR));
>> 542
>> 543 xstep=dx/steps;
>> 544 ystep=dy/steps;
>> 545
>> 546 rstep=dr/steps;
>> 547 gstep=dg/steps;
>> 548 bstep=db/steps;
>> 549
>> 550 xnext=vertex[0].x;
>> 551 ynext=vertex[0].y;
>> 552 rnext=vertex[0].red;
>> 553 gnext=vertex[0].green;
>> 554 bnext=vertex[0].blue;
>> 555
>> 556 if (!print_colour) {
>> 557 rnext+=(gnext+bnext);
>> 558 rnext/=3.0;
>> 559 gnext=rnext;
>> 560 bnext=rnext;
>> 561 }
1081 562
1082 << 563 xnext -= xstep/2.0;
1083 void G4OpenGLViewer::rotateScene(G4double dx, << 564 ynext -= ystep/2.0;
1084 { << 565 rnext -= rstep/2.0;
1085 if (fVP.GetRotationStyle() == G4ViewParamet << 566 gnext -= gstep/2.0;
1086 rotateSceneInViewDirection(dx,dy); << 567 bnext -= bstep/2.0;
1087 } else { << 568 } else {
1088 if( dx != 0) { << 569 steps=0;
1089 rotateSceneThetaPhi(dx,0); <<
1090 } <<
1091 if( dy != 0) { <<
1092 rotateSceneThetaPhi(0,dy); <<
1093 } 570 }
1094 } << 571 if (print_colour) {
1095 } << 572 fprintf (file, "%g %g %g setrgbcolor\n",
1096 << 573 vertex[0].red, vertex[0].green, vertex[0].blue);
>> 574 } else {
>> 575 intensity = (vertex[0].red + vertex[0].green + vertex[0].blue) / 3.0;
>> 576 fprintf (file, "%g %g %g setrgbcolor\n",
>> 577 intensity, intensity, intensity);
>> 578 }
>> 579 fprintf (file, "%g %g moveto\n", vertex[0].x, vertex[0].y);
>> 580
>> 581 for (i=0; i<steps; i++) {
>> 582
>> 583 xnext += xstep;
>> 584 ynext += ystep;
>> 585 rnext += rstep;
>> 586 gnext += gstep;
>> 587 bnext += bstep;
>> 588
>> 589 fprintf (file, "%g %g lineto stroke\n", xnext, ynext);
>> 590 fprintf (file, "%g %g %g setrgbcolor\n", rnext, gnext, bnext);
>> 591 fprintf (file, "%g %g moveto\n", xnext, ynext);
>> 592 }
>> 593 fprintf (file, "%g %g lineto stroke\n", vertex[1].x, vertex[1].y);
>> 594
>> 595 loc += 14;
>> 596 break;
>> 597
>> 598 case GL_POLYGON_TOKEN:
>> 599 nvertices = G4int (*loc);
>> 600 loc++;
>> 601 vertex=(Feedback3Dcolor*)loc;
>> 602 if (nvertices>0) {
>> 603 red=vertex[0].red;
>> 604 green=vertex[0].green;
>> 605 blue=vertex[0].blue;
>> 606 smooth=0;
>> 607
>> 608 if (!print_colour) {
>> 609 red+=(green+blue);
>> 610 red/=3.0;
>> 611 green=red;
>> 612 blue=red;
>> 613 }
>> 614
>> 615 if (print_colour) {
>> 616 for (i=1; i<nvertices; i++) {
>> 617 if (red!=vertex[i].red || green!=vertex[i].green || blue!=vertex[i].blue) {
>> 618 smooth=1;
>> 619 break;
>> 620 }
>> 621 }
>> 622 } else {
>> 623 for (i=1; i<nvertices; i++) {
>> 624 intensity = vertex[i].red + vertex[i].green + vertex[i].blue;
>> 625 intensity/=3.0;
>> 626 if (red!=intensity) {
>> 627 smooth=1;
>> 628 break;
>> 629 }
>> 630 }
>> 631 }
1097 632
1098 void G4OpenGLViewer::rotateSceneToggle(G4doub << 633 if (smooth) {
1099 { << 634 G4int triOffset;
1100 if (fVP.GetRotationStyle() != G4ViewParamet << 635 for (i=0; i<nvertices-2; i++) {
1101 rotateSceneInViewDirection(dx,dy); << 636 triOffset = i*7;
1102 } else { << 637 fprintf (file, "[%g %g %g %g %g %g]",
1103 if( dx != 0) { << 638 vertex[0].x, vertex[i+1].x, vertex[i+2].x,
1104 rotateSceneThetaPhi(dx,0); << 639 vertex[0].y, vertex[i+1].y, vertex[i+2].y);
1105 } << 640 if (print_colour) {
1106 if( dy != 0) { << 641 fprintf (file, " [%g %g %g] [%g %g %g] [%g %g %g] gouraudtriangle\n",
1107 rotateSceneThetaPhi(0,dy); << 642 vertex[0].red, vertex[0].green, vertex[0].blue,
>> 643 vertex[i+1].red, vertex[i+1].green, vertex[i+1].blue,
>> 644 vertex[i+2].red, vertex[i+2].green, vertex[i+2].blue);
>> 645 } else {
>> 646
>> 647 intensity = vertex[0].red + vertex[0].green + vertex[0].blue;
>> 648 intensity/=3.0;
>> 649 fprintf (file, " [%g %g %g]", intensity, intensity, intensity);
>> 650
>> 651 intensity = vertex[1].red + vertex[1].green + vertex[1].blue;
>> 652 intensity/=3.0;
>> 653 fprintf (file, " [%g %g %g]", intensity, intensity, intensity);
>> 654
>> 655 intensity = vertex[2].red + vertex[2].green + vertex[2].blue;
>> 656 intensity/=3.0;
>> 657 fprintf (file, " [%g %g %g] gouraudtriangle\n", intensity, intensity, intensity);
>> 658 }
>> 659 }
>> 660 } else {
>> 661 fprintf (file, "newpath\n");
>> 662 fprintf (file, "%g %g %g setrgbcolor\n", red, green, blue);
>> 663 fprintf (file, "%g %g moveto\n", vertex[0].x, vertex[0].y);
>> 664 for (i=1; i<nvertices; i++) {
>> 665 fprintf (file, "%g %g lineto\n", vertex[i].x, vertex[i].y);
>> 666 }
>> 667 fprintf (file, "closepath fill\n\n");
>> 668 }
1108 } 669 }
1109 } << 670 loc += nvertices*7;
1110 } << 671 break;
1111 <<
1112 void G4OpenGLViewer::rotateSceneThetaPhi(G4do <<
1113 { <<
1114 if (!fSceneHandler.GetScene()) { <<
1115 return; <<
1116 } <<
1117 672
1118 G4Vector3D vp; << 673 case GL_POINT_TOKEN:
1119 G4Vector3D up; << 674 vertex=(Feedback3Dcolor*)loc;
1120 << 675 if (print_colour) {
1121 G4Vector3D xprime; << 676 fprintf (file, "%g %g %g setrgbcolor\n", vertex[0].red, vertex[0].green, vertex[0].blue);
1122 G4Vector3D yprime; << 677 } else {
1123 G4Vector3D zprime; << 678 intensity = vertex[0].red + vertex[0].green + vertex[0].blue;
1124 << 679 intensity/=3.0;
1125 G4double delta_alpha; << 680 fprintf (file, "%g %g %g setrgbcolor\n", intensity, intensity, intensity);
1126 G4double delta_theta; << 681 }
1127 << 682 fprintf(file, "%g %g %g 0 360 arc fill\n\n", vertex[0].x, vertex[0].y, pointSize / 2.0);
1128 G4Vector3D new_vp; << 683 loc += 7; /* Each vertex element in the feedback
1129 G4Vector3D new_up; << 684 buffer is 7 GLfloats. */
1130 << 685 break;
1131 G4double cosalpha; << 686 default:
1132 G4double sinalpha; << 687 /* XXX Left as an excersie to the reader. */
1133 << 688 static G4bool spewPrimitiveEPSWarned = false;
1134 G4Vector3D a1; << 689 if (!spewPrimitiveEPSWarned) {
1135 G4Vector3D a2; << 690 std::ostringstream oss;
1136 G4Vector3D delta; << 691 oss <<
1137 G4Vector3D viewPoint; << 692 "Incomplete implementation. Unexpected token (" << token << ")."
>> 693 "\n (Seems to be caused by text.)";
>> 694 G4Exception("G4OpenGLViewer::spewPrimitiveEPS",
>> 695 "Unexpected token",
>> 696 JustWarning,
>> 697 oss.str().c_str());
>> 698 spewPrimitiveEPSWarned = true;
>> 699 }
>> 700 }
>> 701 return loc;
>> 702 }
>> 703
>> 704 typedef struct G4OpenGLViewerDepthIndex {
>> 705 GLfloat *ptr;
>> 706 GLfloat depth;
>> 707 } DepthIndex;
1138 708
>> 709 extern "C" {
>> 710 int G4OpenGLViewercompare(const void *a, const void *b)
>> 711 {
>> 712 const DepthIndex *p1 = (DepthIndex *) a;
>> 713 const DepthIndex *p2 = (DepthIndex *) b;
>> 714 GLfloat diff = p2->depth - p1->depth;
1139 715
1140 //phi spin stuff here << 716 if (diff > 0.0) {
1141 << 717 return 1;
1142 vp = fVP.GetViewpointDirection ().unit (); << 718 } else if (diff < 0.0) {
1143 up = fVP.GetUpVector ().unit (); << 719 return -1;
1144 << 720 } else {
1145 yprime = (up.cross(vp)).unit(); << 721 return 0;
1146 zprime = (vp.cross(yprime)).unit(); <<
1147 <<
1148 if (fVP.GetLightsMoveWithCamera()) { <<
1149 delta_alpha = dy * fRot_sens; <<
1150 delta_theta = -dx * fRot_sens; <<
1151 } else { <<
1152 delta_alpha = -dy * fRot_sens; <<
1153 delta_theta = dx * fRot_sens; <<
1154 } <<
1155 <<
1156 delta_alpha *= CLHEP::deg; <<
1157 delta_theta *= CLHEP::deg; <<
1158 <<
1159 new_vp = std::cos(delta_alpha) * vp + std:: <<
1160 <<
1161 // to avoid z rotation flipping <<
1162 // to allow more than 360° rotation <<
1163 <<
1164 if (fVP.GetLightsMoveWithCamera()) { <<
1165 new_up = (new_vp.cross(yprime)).unit(); <<
1166 if (new_vp.z()*vp.z() <0) { <<
1167 new_up.set(new_up.x(),-new_up.y(),new_u <<
1168 } <<
1169 } else { <<
1170 new_up = up; <<
1171 if (new_vp.z()*vp.z() <0) { <<
1172 new_up.set(new_up.x(),-new_up.y(),new_u <<
1173 } 722 }
1174 } 723 }
1175 fVP.SetUpVector(new_up); <<
1176 //////////////// <<
1177 // Rotates by fixed azimuthal angle delta_t <<
1178 <<
1179 cosalpha = new_up.dot (new_vp.unit()); <<
1180 sinalpha = std::sqrt (1. - std::pow (cosalp <<
1181 yprime = (new_up.cross (new_vp.unit())).uni <<
1182 xprime = yprime.cross (new_up); <<
1183 // Projection of vp on plane perpendicular <<
1184 a1 = sinalpha * xprime; <<
1185 // Required new projection... <<
1186 a2 = sinalpha * (std::cos (delta_theta) * x <<
1187 // Required Increment vector... <<
1188 delta = a2 - a1; <<
1189 // So new viewpoint is... <<
1190 viewPoint = new_vp.unit() + delta; <<
1191 <<
1192 fVP.SetViewAndLights (viewPoint); <<
1193 } 724 }
1194 725
1195 << 726 void G4OpenGLViewer::spewSortedFeedback(FILE * file, GLint size, GLfloat * buffer)
1196 void G4OpenGLViewer::rotateSceneInViewDirecti <<
1197 { 727 {
1198 if (!fSceneHandler.GetScene()) { << 728 int token;
1199 return; << 729 GLfloat *loc, *end;
1200 } << 730 Feedback3Dcolor *vertex;
1201 << 731 GLfloat depthSum;
1202 G4Vector3D vp; << 732 int nprimitives, item;
1203 G4Vector3D up; << 733 DepthIndex *prims;
1204 << 734 int nvertices, i;
1205 G4Vector3D xprime; << 735
1206 G4Vector3D yprime; << 736 end = buffer + size;
1207 G4Vector3D zprime; << 737
1208 << 738 /* Count how many primitives there are. */
1209 G4Vector3D new_vp; << 739 nprimitives = 0;
1210 G4Vector3D new_up; << 740 loc = buffer;
1211 << 741 while (loc < end) {
1212 G4Vector3D a1; << 742 token = int (*loc);
1213 G4Vector3D a2; << 743 loc++;
1214 G4Vector3D delta; << 744 switch (token) {
1215 G4Vector3D viewPoint; << 745 case GL_LINE_TOKEN:
1216 << 746 case GL_LINE_RESET_TOKEN:
1217 dx = dx/100; << 747 loc += 14;
1218 dy = dy/100; << 748 nprimitives++;
1219 << 749 break;
1220 //phi spin stuff here << 750 case GL_POLYGON_TOKEN:
1221 << 751 nvertices = int (*loc);
1222 vp = fVP.GetViewpointDirection ().unit(); << 752 loc++;
1223 up = fVP.GetUpVector ().unit(); << 753 loc += (7 * nvertices);
1224 << 754 nprimitives++;
1225 G4Vector3D zPrimeVector = G4Vector3D(up.y() << 755 break;
1226 up.z()*vp.x()-up << 756 case GL_POINT_TOKEN:
1227 up.x()*vp.y()-up << 757 loc += 7;
1228 << 758 nprimitives++;
1229 viewPoint = vp/fRot_sens + (zPrimeVector*dx << 759 break;
1230 new_up = G4Vector3D(viewPoint.y()*zPrimeVec << 760 default:
1231 viewPoint.z()*zPrimeVe << 761 /* XXX Left as an excersie to the reader. */
1232 viewPoint.x()*zPrimeVe << 762 static G4bool spewSortedFeedbackWarned = false;
1233 << 763 if (!spewSortedFeedbackWarned) {
1234 G4Vector3D new_upUnit = new_up.unit(); << 764 std::ostringstream oss;
1235 << 765 oss <<
1236 << 766 "Incomplete implementation. Unexpected token (" << token << ")."
1237 << 767 "\n (Seems to be caused by text.)";
1238 fVP.SetUpVector(new_upUnit); << 768 G4Exception("G4OpenGLViewer::spewSortedFeedback",
1239 fVP.SetViewAndLights (viewPoint); << 769 "Unexpected token",
1240 } << 770 JustWarning,
1241 << 771 oss.str().c_str());
1242 << 772 spewSortedFeedbackWarned = true;
1243 void G4OpenGLViewer::addExportImageFormat(std <<
1244 fExportImageFormatVector.push_back(format); <<
1245 } <<
1246 <<
1247 bool G4OpenGLViewer::setExportImageFormat(std <<
1248 bool found = false; <<
1249 std::string list; <<
1250 for (unsigned int a=0; a<fExportImageFormat <<
1251 list +=fExportImageFormatVector.at(a) + " <<
1252 <<
1253 if (fExportImageFormatVector.at(a) == for <<
1254 if (! quiet) { <<
1255 G4cout << " Changing export format to <<
1256 } <<
1257 if (format != fExportImageFormat) { <<
1258 fExportFilenameIndex = 0; <<
1259 fExportImageFormat = format; <<
1260 } 773 }
1261 return true; << 774 nprimitives++;
1262 } <<
1263 } <<
1264 if (! found) { <<
1265 if (format.size() == 0) { <<
1266 G4cout << " Current formats availables <<
1267 } else { <<
1268 G4cerr << " Format \"" << format << "\" <<
1269 } 775 }
1270 } 776 }
1271 return false; <<
1272 } <<
1273 <<
1274 <<
1275 // From MESA implementation : <<
1276 // http://www.techques.com/question/1-8660454 <<
1277 <<
1278 void G4OpenGLViewer::g4GluPickMatrix(GLdouble <<
1279 GLint viewport[4]) <<
1280 { <<
1281 GLdouble mat[16]; <<
1282 GLdouble sx, sy; <<
1283 GLdouble tx, ty; <<
1284 <<
1285 sx = viewport[2] / width; <<
1286 sy = viewport[3] / height; <<
1287 tx = (viewport[2] + 2.0 * (viewport[0] - <<
1288 ty = (viewport[3] + 2.0 * (viewport[1] - <<
1289 <<
1290 #define M(row, col) mat[col*4+row] <<
1291 M(0, 0) = sx; <<
1292 M(0, 1) = 0.0; <<
1293 M(0, 2) = 0.0; <<
1294 M(0, 3) = tx; <<
1295 M(1, 0) = 0.0; <<
1296 M(1, 1) = sy; <<
1297 M(1, 2) = 0.0; <<
1298 M(1, 3) = ty; <<
1299 M(2, 0) = 0.0; <<
1300 M(2, 1) = 0.0; <<
1301 M(2, 2) = 1.0; <<
1302 M(2, 3) = 0.0; <<
1303 M(3, 0) = 0.0; <<
1304 M(3, 1) = 0.0; <<
1305 M(3, 2) = 0.0; <<
1306 M(3, 3) = 1.0; <<
1307 #undef M <<
1308 <<
1309 glMultMatrixd(mat); <<
1310 } <<
1311 <<
1312 <<
1313 <<
1314 <<
1315 <<
1316 // From MESA implementation : <<
1317 // https://github.com/jlamarche/iOS-OpenGLES- <<
1318 // or http://www.daniweb.com/software-develop <<
1319 <<
1320 void G4OpenGLViewer::g4GluLookAt( GLdouble ey <<
1321 GLdouble centerx, GLd <<
1322 centerz, <<
1323 GLdouble upx, GLdoubl <<
1324 { <<
1325 GLdouble mat[16]; <<
1326 GLdouble x[3], y[3], z[3]; <<
1327 GLdouble mag; <<
1328 <<
1329 /* Make rotation matrix */ <<
1330 <<
1331 /* Z vector */ <<
1332 z[0] = eyex - centerx; <<
1333 z[1] = eyey - centery; <<
1334 z[2] = eyez - centerz; <<
1335 mag = std::sqrt(z[0] * z[0] + z[1] * z[1] + <<
1336 if (mag) { /* mpichler, 19950515 */ <<
1337 z[0] /= mag; <<
1338 z[1] /= mag; <<
1339 z[2] /= mag; <<
1340 } <<
1341 <<
1342 /* Y vector */ <<
1343 y[0] = upx; <<
1344 y[1] = upy; <<
1345 y[2] = upz; <<
1346 <<
1347 /* X vector = Y cross Z */ <<
1348 x[0] = y[1] * z[2] - y[2] * z[1]; <<
1349 x[1] = -y[0] * z[2] + y[2] * z[0]; <<
1350 x[2] = y[0] * z[1] - y[1] * z[0]; <<
1351 <<
1352 /* Recompute Y = Z cross X */ <<
1353 y[0] = z[1] * x[2] - z[2] * x[1]; <<
1354 y[1] = -z[0] * x[2] + z[2] * x[0]; <<
1355 y[2] = z[0] * x[1] - z[1] * x[0]; <<
1356 <<
1357 /* mpichler, 19950515 */ <<
1358 /* cross product gives area of parallelogra <<
1359 * non-perpendicular unit-length vectors; s <<
1360 */ <<
1361 <<
1362 mag = std::sqrt(x[0] * x[0] + x[1] * x[1] + <<
1363 if (mag) { <<
1364 x[0] /= mag; <<
1365 x[1] /= mag; <<
1366 x[2] /= mag; <<
1367 } <<
1368 <<
1369 mag = std::sqrt(y[0] * y[0] + y[1] * y[1] + <<
1370 if (mag) { <<
1371 y[0] /= mag; <<
1372 y[1] /= mag; <<
1373 y[2] /= mag; <<
1374 } <<
1375 <<
1376 #define M(row,col) mat[col*4+row] <<
1377 M(0, 0) = x[0]; <<
1378 M(0, 1) = x[1]; <<
1379 M(0, 2) = x[2]; <<
1380 M(0, 3) = 0.0; <<
1381 M(1, 0) = y[0]; <<
1382 M(1, 1) = y[1]; <<
1383 M(1, 2) = y[2]; <<
1384 M(1, 3) = 0.0; <<
1385 M(2, 0) = z[0]; <<
1386 M(2, 1) = z[1]; <<
1387 M(2, 2) = z[2]; <<
1388 M(2, 3) = 0.0; <<
1389 M(3, 0) = 0.0; <<
1390 M(3, 1) = 0.0; <<
1391 M(3, 2) = 0.0; <<
1392 M(3, 3) = 1.0; <<
1393 #undef M <<
1394 glMultMatrixd(mat); <<
1395 <<
1396 /* Translate Eye to Origin */ <<
1397 glTranslated(-eyex, -eyey, -eyez); <<
1398 } <<
1399 <<
1400 void G4OpenGLViewer::g4GlOrtho (GLdouble left <<
1401 // glOrtho (left, right, bottom, top, near <<
1402 <<
1403 GLdouble a = 2.0 / (right - left); <<
1404 GLdouble b = 2.0 / (top - bottom); <<
1405 GLdouble c = -2.0 / (zFar - zNear); <<
1406 <<
1407 GLdouble tx = - (right + left)/(right - lef <<
1408 GLdouble ty = - (top + bottom)/(top - botto <<
1409 GLdouble tz = - (zFar + zNear)/(zFar - zNea <<
1410 <<
1411 GLdouble ortho[16] = { <<
1412 a, 0, 0, 0, <<
1413 0, b, 0, 0, <<
1414 0, 0, c, 0, <<
1415 tx, ty, tz, 1 <<
1416 }; <<
1417 glMultMatrixd(ortho); <<
1418 <<
1419 } <<
1420 777
>> 778 /* Allocate an array of pointers that will point back at
>> 779 primitives in the feedback buffer. There will be one
>> 780 entry per primitive. This array is also where we keep the
>> 781 primitive's average depth. There is one entry per
>> 782 primitive in the feedback buffer. */
>> 783 prims = (DepthIndex *) malloc(sizeof(DepthIndex) * nprimitives);
>> 784
>> 785 item = 0;
>> 786 loc = buffer;
>> 787 while (loc < end) {
>> 788 prims[item].ptr = loc; /* Save this primitive's location. */
>> 789 token = int (*loc);
>> 790 loc++;
>> 791 switch (token) {
>> 792 case GL_LINE_TOKEN:
>> 793 case GL_LINE_RESET_TOKEN:
>> 794 vertex = (Feedback3Dcolor *) loc;
>> 795 depthSum = vertex[0].z + vertex[1].z;
>> 796 prims[item].depth = depthSum / 2.0;
>> 797 loc += 14;
>> 798 break;
>> 799 case GL_POLYGON_TOKEN:
>> 800 nvertices = int (*loc);
>> 801 loc++;
>> 802 vertex = (Feedback3Dcolor *) loc;
>> 803 depthSum = vertex[0].z;
>> 804 for (i = 1; i < nvertices; i++) {
>> 805 depthSum += vertex[i].z;
>> 806 }
>> 807 prims[item].depth = depthSum / nvertices;
>> 808 loc += (7 * nvertices);
>> 809 break;
>> 810 case GL_POINT_TOKEN:
>> 811 vertex = (Feedback3Dcolor *) loc;
>> 812 prims[item].depth = vertex[0].z;
>> 813 loc += 7;
>> 814 break;
>> 815 default:
>> 816 /* XXX Left as an excersie to the reader. */
>> 817 assert(1);
>> 818 }
>> 819 item++;
>> 820 }
>> 821 assert(item == nprimitives);
>> 822
>> 823 /* Sort the primitives back to front. */
>> 824 qsort(prims, nprimitives, sizeof(DepthIndex), G4OpenGLViewercompare);
>> 825
>> 826 /* Understand that sorting by a primitives average depth
>> 827 doesn't allow us to disambiguate some cases like self
>> 828 intersecting polygons. Handling these cases would require
>> 829 breaking up the primitives. That's too involved for this
>> 830 example. Sorting by depth is good enough for lots of
>> 831 applications. */
>> 832
>> 833 /* Emit the Encapsulated PostScript for the primitives in
>> 834 back to front order. */
>> 835 for (item = 0; item < nprimitives; item++) {
>> 836 (void) spewPrimitiveEPS(file, prims[item].ptr);
>> 837 }
1421 838
1422 void G4OpenGLViewer::g4GlFrustum (GLdouble le << 839 free(prims);
1423 // glFrustum (left, right, bottom, top, ne <<
1424 <<
1425 GLdouble deltaX = right - left; <<
1426 GLdouble deltaY = top - bottom; <<
1427 GLdouble deltaZ = zFar - zNear; <<
1428 <<
1429 GLdouble a = 2.0f * zNear / deltaX; <<
1430 GLdouble b = 2.0f * zNear / deltaY; <<
1431 GLdouble c = (right + left) / deltaX; <<
1432 GLdouble d = (top + bottom) / deltaY; <<
1433 GLdouble e = -(zFar + zNear) / (zFar - zNea <<
1434 GLdouble f = -2.0f * zFar * zNear / deltaZ; <<
1435 <<
1436 GLdouble proj[16] = { <<
1437 a, 0, 0, 0, <<
1438 0, b, 0, 0, <<
1439 c, d, e, -1.0f, <<
1440 0, 0, f, 0 <<
1441 }; <<
1442 <<
1443 glMultMatrixd(proj); <<
1444 <<
1445 } 840 }
1446 841
1447 G4String G4OpenGLViewerPickMap::print() { << 842 #endif
1448 std::ostringstream txt; <<
1449 for (unsigned int a=0; a<fAttributes.size() <<
1450 txt << fAttributes[a]; <<
1451 if (a < fAttributes.size() - 1) txt << "\ <<
1452 } <<
1453 return txt.str(); <<
1454 } <<
1455 843