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26 // 26 //
>> 27 // $Id: G4OpenGLXmRotationCallbacks.cc 66373 2012-12-18 09:41:34Z gcosmo $
27 // 28 //
28 // 29 //
29 // Andrew Walkden 16th April 1997 30 // Andrew Walkden 16th April 1997
30 // G4OpenGLXmRotationCallbacks : 31 // G4OpenGLXmRotationCallbacks :
31 // Several callback func 32 // Several callback functions used by
32 // elements of the contr 33 // elements of the control panel to
33 // rotate the view. 34 // rotate the view.
34 35
>> 36 #ifdef G4VIS_BUILD_OPENGLXM_DRIVER
>> 37
35 #include "G4OpenGLXmViewer.hh" 38 #include "G4OpenGLXmViewer.hh"
36 39
37 #include "G4PhysicalConstants.hh" 40 #include "G4PhysicalConstants.hh"
38 #include "G4Scene.hh" 41 #include "G4Scene.hh"
39 #include "G4UImanager.hh" 42 #include "G4UImanager.hh"
40 #include "G4ios.hh" 43 #include "G4ios.hh"
41 44
42 void G4OpenGLXmViewer::theta_rotation_callback 45 void G4OpenGLXmViewer::theta_rotation_callback (Widget w,
43 XtPointer clientData, 46 XtPointer clientData,
44 XtPointer callData) 47 XtPointer callData)
45 { 48 {
46 XmArrowButtonCallbackStruct *cbs = (XmArrowB 49 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
47 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 50 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
48 51
49 pView->rotate_right = get_boolean_userData ( 52 pView->rotate_right = get_boolean_userData (w);
50 53
51 if (cbs->reason == XmCR_ARM) { 54 if (cbs->reason == XmCR_ARM) {
52 rotate_in_theta (pView, NULL); 55 rotate_in_theta (pView, NULL);
53 } else if (cbs->reason == XmCR_DISARM) { 56 } else if (cbs->reason == XmCR_DISARM) {
54 XtRemoveTimeOut (pView->rotation_timer); 57 XtRemoveTimeOut (pView->rotation_timer);
55 } 58 }
56 } 59 }
57 60
58 void G4OpenGLXmViewer::rotate_in_theta (XtPoin 61 void G4OpenGLXmViewer::rotate_in_theta (XtPointer clientData,
59 XtIntervalId* timer_id) 62 XtIntervalId* timer_id)
60 { 63 {
61 //theta spin stuff here 64 //theta spin stuff here
62 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 65 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
63 66
64 if (pView->rotate_right) { 67 if (pView->rotate_right) {
65 pView->rotateScene(1,0); 68 pView->rotateScene(1,0);
66 } else { 69 } else {
67 pView->rotateScene(-1,0); 70 pView->rotateScene(-1,0);
68 } 71 }
69 /* 72 /*
70 G4double delta_theta; 73 G4double delta_theta;
71 74
72 if (pView->fVP.GetLightsMoveWithCamera()) { 75 if (pView->fVP.GetLightsMoveWithCamera()) {
73 if (pView->rotate_right) { 76 if (pView->rotate_right) {
74 delta_theta = -(pView->fRot_sens); 77 delta_theta = -(pView->fRot_sens);
75 } else { 78 } else {
76 delta_theta = pView->fRot_sens; 79 delta_theta = pView->fRot_sens;
77 } 80 }
78 } else { 81 } else {
79 if (pView->rotate_right) { 82 if (pView->rotate_right) {
80 delta_theta = pView->fRot_sens; 83 delta_theta = pView->fRot_sens;
81 } else { 84 } else {
82 delta_theta = -(pView->fRot_sens); 85 delta_theta = -(pView->fRot_sens);
83 } 86 }
84 } 87 }
85 delta_theta *= deg; 88 delta_theta *= deg;
86 // Rotates by fixed azimuthal angle delta_th 89 // Rotates by fixed azimuthal angle delta_theta.
87 90
88 const G4Vector3D& vp = pView->fVP.GetViewpoi 91 const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
89 const G4Vector3D& up = pView->fVP.GetUpVecto 92 const G4Vector3D& up = pView->fVP.GetUpVector ().unit ();
90 const G4Vector3D& zprime = up; 93 const G4Vector3D& zprime = up;
91 G4double cosalpha = up.dot (vp); 94 G4double cosalpha = up.dot (vp);
92 G4double sinalpha = std::sqrt (1. - std::pow 95 G4double sinalpha = std::sqrt (1. - std::pow (cosalpha, 2));
93 G4Vector3D yprime = (zprime.cross (vp)).unit 96 G4Vector3D yprime = (zprime.cross (vp)).unit ();
94 G4Vector3D xprime = yprime.cross (zprime); 97 G4Vector3D xprime = yprime.cross (zprime);
95 // Projection of vp on plane perpendicular t 98 // Projection of vp on plane perpendicular to up...
96 G4Vector3D a1 = sinalpha * xprime; 99 G4Vector3D a1 = sinalpha * xprime;
97 // Required new projection... 100 // Required new projection...
98 G4Vector3D a2 = 101 G4Vector3D a2 =
99 sinalpha * (std::cos (delta_theta) * xprim 102 sinalpha * (std::cos (delta_theta) * xprime + std::sin (delta_theta) * yprime);
100 // Required Increment vector... 103 // Required Increment vector...
101 G4Vector3D delta = a2 - a1; 104 G4Vector3D delta = a2 - a1;
102 // So new viewpoint is... 105 // So new viewpoint is...
103 G4Vector3D viewPoint = vp + delta; 106 G4Vector3D viewPoint = vp + delta;
104 107
105 pView->fVP.SetViewAndLights (viewPoint); 108 pView->fVP.SetViewAndLights (viewPoint);
106 */ 109 */
107 110
108 pView->SetView (); 111 pView->SetView ();
109 pView->ClearView (); 112 pView->ClearView ();
110 pView->DrawView (); 113 pView->DrawView ();
111 114
112 pView->rotation_timer = XtAppAddTimeOut 115 pView->rotation_timer = XtAppAddTimeOut
113 (pView->app, 116 (pView->app,
114 timer_id == NULL ? 500 : 1, 117 timer_id == NULL ? 500 : 1,
115 rotate_in_theta, 118 rotate_in_theta,
116 pView); 119 pView);
117 } 120 }
118 121
119 void G4OpenGLXmViewer::phi_rotation_callback ( 122 void G4OpenGLXmViewer::phi_rotation_callback (Widget w,
120 XtPointer clientData, 123 XtPointer clientData,
121 XtPointer callData) 124 XtPointer callData)
122 { 125 {
123 XmArrowButtonCallbackStruct *cbs = (XmArrowB 126 XmArrowButtonCallbackStruct *cbs = (XmArrowButtonCallbackStruct*) callData;
124 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 127 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
125 128
126 pView->rotate_up = get_boolean_userData (w); 129 pView->rotate_up = get_boolean_userData (w);
127 130
128 if (cbs->reason == XmCR_ARM) { 131 if (cbs->reason == XmCR_ARM) {
129 rotate_in_phi (pView, NULL); 132 rotate_in_phi (pView, NULL);
130 } else if (cbs->reason == XmCR_DISARM) { 133 } else if (cbs->reason == XmCR_DISARM) {
131 XtRemoveTimeOut (pView->rotation_timer); 134 XtRemoveTimeOut (pView->rotation_timer);
132 } 135 }
133 } 136 }
134 137
135 void G4OpenGLXmViewer::rotate_in_phi (XtPointe 138 void G4OpenGLXmViewer::rotate_in_phi (XtPointer clientData,
136 XtIntervalId* timer_id) 139 XtIntervalId* timer_id)
137 { 140 {
138 //phi spin stuff here 141 //phi spin stuff here
139 // G4double delta_alpha; 142 // G4double delta_alpha;
140 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 143 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
141 144
142 if (pView -> rotate_up) { 145 if (pView -> rotate_up) {
143 pView->rotateScene(0,-1); 146 pView->rotateScene(0,-1);
144 } else { 147 } else {
145 pView->rotateScene(0,1); 148 pView->rotateScene(0,1);
146 } 149 }
147 /* 150 /*
148 if (pView->fVP.GetLightsMoveWithCamera()) { 151 if (pView->fVP.GetLightsMoveWithCamera()) {
149 if (pView -> rotate_up) { 152 if (pView -> rotate_up) {
150 delta_alpha = -(pView->fRot_sens); 153 delta_alpha = -(pView->fRot_sens);
151 } else { 154 } else {
152 delta_alpha = pView->fRot_sens; 155 delta_alpha = pView->fRot_sens;
153 } 156 }
154 } else { 157 } else {
155 if (pView -> rotate_up) { 158 if (pView -> rotate_up) {
156 delta_alpha = pView->fRot_sens; 159 delta_alpha = pView->fRot_sens;
157 } else { 160 } else {
158 delta_alpha = -(pView->fRot_sens); 161 delta_alpha = -(pView->fRot_sens);
159 } 162 }
160 } 163 }
161 164
162 delta_alpha *= deg; 165 delta_alpha *= deg;
163 166
164 const G4Vector3D& vp = pView->fVP.GetViewpoi 167 const G4Vector3D& vp = pView->fVP.GetViewpointDirection ().unit ();
165 const G4Vector3D& up = pView->fVP.GetUpVecto 168 const G4Vector3D& up = pView->fVP.GetUpVector ().unit ();
166 169
167 const G4Vector3D& xprime = vp; 170 const G4Vector3D& xprime = vp;
168 G4Vector3D yprime = (up.cross(xprime)).unit( 171 G4Vector3D yprime = (up.cross(xprime)).unit();
169 G4Vector3D zprime = (xprime.cross(yprime)).u 172 G4Vector3D zprime = (xprime.cross(yprime)).unit();
170 173
171 G4Vector3D new_vp = std::cos(delta_alpha) * 174 G4Vector3D new_vp = std::cos(delta_alpha) * xprime + std::sin(delta_alpha) * zprime;
172 175
173 pView->fVP.SetViewAndLights (new_vp.unit()); 176 pView->fVP.SetViewAndLights (new_vp.unit());
174 177
175 if (pView->fVP.GetLightsMoveWithCamera()) { 178 if (pView->fVP.GetLightsMoveWithCamera()) {
176 G4Vector3D new_up = (new_vp.cross(yprime)) 179 G4Vector3D new_up = (new_vp.cross(yprime)).unit();
177 pView->fVP.SetUpVector(new_up); 180 pView->fVP.SetUpVector(new_up);
178 } 181 }
179 182
180 */ 183 */
181 pView->SetView (); 184 pView->SetView ();
182 pView->ClearView (); 185 pView->ClearView ();
183 pView->DrawView (); 186 pView->DrawView ();
184 187
185 pView->rotation_timer = XtAppAddTimeOut 188 pView->rotation_timer = XtAppAddTimeOut
186 (pView->app, 189 (pView->app,
187 timer_id == NULL ? 500 : 1, 190 timer_id == NULL ? 500 : 1,
188 rotate_in_phi, 191 rotate_in_phi,
189 pView); 192 pView);
190 } 193 }
191 194
192 void G4OpenGLXmViewer::set_rot_sens_callback ( 195 void G4OpenGLXmViewer::set_rot_sens_callback (Widget w,
193 XtPointer clientData, 196 XtPointer clientData,
194 XtPointer callData) 197 XtPointer callData)
195 { 198 {
196 XmScaleCallbackStruct *cbs = (XmScaleCallbac 199 XmScaleCallbackStruct *cbs = (XmScaleCallbackStruct*) callData;
197 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 200 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*) clientData;
198 short dp = -1; 201 short dp = -1;
199 G4float ten_to_the_dp = 10.; 202 G4float ten_to_the_dp = 10.;
200 203
201 XtVaGetValues (w, 204 XtVaGetValues (w,
202 XmNdecimalPoints, &dp, 205 XmNdecimalPoints, &dp,
203 NULL); 206 NULL);
204 207
205 if (dp == 0) { 208 if (dp == 0) {
206 ten_to_the_dp = 1.; 209 ten_to_the_dp = 1.;
207 } else if ( dp > 0) { 210 } else if ( dp > 0) {
208 for (G4int i = 1; i < (G4int)dp; i++) { 211 for (G4int i = 1; i < (G4int)dp; i++) {
209 ten_to_the_dp *= 10.; 212 ten_to_the_dp *= 10.;
210 } 213 }
211 } else { 214 } else {
212 G4Exception 215 G4Exception
213 ("G4OpenGLXmViewer::set_rot_sens_callbac 216 ("G4OpenGLXmViewer::set_rot_sens_callback",
214 "opengl2004", FatalException, 217 "opengl2004", FatalException,
215 "Bad value returned for dp in set_rot_s 218 "Bad value returned for dp in set_rot_sens_callback");
216 } 219 }
217 220
218 pView->fRot_sens = (G4float)(cbs->value) / t 221 pView->fRot_sens = (G4float)(cbs->value) / ten_to_the_dp;
219 } 222 }
220 223
221 void G4OpenGLXmViewer::set_rot_subject_callbac 224 void G4OpenGLXmViewer::set_rot_subject_callback (Widget w,
222 XtPointer clientData, 225 XtPointer clientData,
223 XtPointer) 226 XtPointer)
224 { 227 {
225 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 228 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData;
226 229
227 G4int choice = get_int_userData (w); 230 G4int choice = get_int_userData (w);
228 231
229 switch (choice) { 232 switch (choice) {
230 case 0: 233 case 0:
231 { 234 {
232 pView->fVP.SetLightsMoveWithCamera (true 235 pView->fVP.SetLightsMoveWithCamera (true);
233 break; 236 break;
234 } 237 }
235 case 1: 238 case 1:
236 { 239 {
237 pView->fVP.SetLightsMoveWithCamera (fals 240 pView->fVP.SetLightsMoveWithCamera (false);
238 break; 241 break;
239 } 242 }
240 default: 243 default:
241 { 244 {
242 G4Exception 245 G4Exception
243 ("G4OpenGLXmViewer::set_rot_subject_callback 246 ("G4OpenGLXmViewer::set_rot_subject_callback",
244 "opengl2005", FatalException, 247 "opengl2005", FatalException,
245 "Unrecognised choice made in set_rot_subjec 248 "Unrecognised choice made in set_rot_subject_callback");
246 } 249 }
247 } 250 }
248 } 251 }
249 252
250 void G4OpenGLXmViewer::wobble_callback (Widget 253 void G4OpenGLXmViewer::wobble_callback (Widget w,
251 XtPointer, 254 XtPointer,
252 XtPointer) 255 XtPointer)
253 { 256 {
254 G4OpenGLXmViewer* pView; 257 G4OpenGLXmViewer* pView;
255 258
256 XtVaGetValues (w, 259 XtVaGetValues (w,
257 XmNuserData, &pView, 260 XmNuserData, &pView,
258 NULL); 261 NULL);
259 262
260 pView->original_vp = pView->fVP.GetViewpoint 263 pView->original_vp = pView->fVP.GetViewpointDirection();
261 pView->wobble_timer = XtAppAddTimeOut 264 pView->wobble_timer = XtAppAddTimeOut
262 (pView->app, 265 (pView->app,
263 (long unsigned int) (1000. * (1. / pView- 266 (long unsigned int) (1000. * (1. / pView->wob_sens)),
264 wobble_timer_callback, 267 wobble_timer_callback,
265 pView); 268 pView);
266 } 269 }
267 270
268 void G4OpenGLXmViewer::wobble_timer_callback ( 271 void G4OpenGLXmViewer::wobble_timer_callback (XtPointer clientData,
269 XtIntervalId*) 272 XtIntervalId*)
270 { 273 {
271 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer* 274 G4OpenGLXmViewer* pView = (G4OpenGLXmViewer*)clientData;
272 const G4Vector3D& up = pView->fVP.GetUpVecto 275 const G4Vector3D& up = pView->fVP.GetUpVector();
273 G4Vector3D third_axis = up.cross(pView->orig 276 G4Vector3D third_axis = up.cross(pView->original_vp);
274 G4double pi_div_by_ten = pi / 10.0; 277 G4double pi_div_by_ten = pi / 10.0;
275 G4Vector3D d_up = 0.1 * (std::sin ((G4double 278 G4Vector3D d_up = 0.1 * (std::sin ((G4double)pView->frameNo * pi_div_by_ten * 2.)) * up;
276 G4Vector3D d_third_axis = 0.1 * (std::sin (( 279 G4Vector3D d_third_axis = 0.1 * (std::sin ((G4double)pView->frameNo * (pi_div_by_ten))) * third_axis;
277 280
278 pView->fVP.SetViewAndLights (pView->original 281 pView->fVP.SetViewAndLights (pView->original_vp + d_up + d_third_axis);
279 282
280 pView->SetView (); 283 pView->SetView ();
281 pView->ClearView (); 284 pView->ClearView ();
282 pView->DrawView (); 285 pView->DrawView ();
283 286
284 if (pView->frameNo++ == 20) { 287 if (pView->frameNo++ == 20) {
285 if (pView->wobble_timer) { 288 if (pView->wobble_timer) {
286 XtRemoveTimeOut (pView->wobble_timer); 289 XtRemoveTimeOut (pView->wobble_timer);
287 pView->frameNo = 0; 290 pView->frameNo = 0;
288 pView->fVP.SetViewAndLights (pView->orig 291 pView->fVP.SetViewAndLights (pView->original_vp);
289 pView->SetView (); 292 pView->SetView ();
290 pView->ClearView (); 293 pView->ClearView ();
291 pView->DrawView (); 294 pView->DrawView ();
292 } 295 }
293 } else { 296 } else {
294 pView->wobble_timer = XtAppAddTimeOut 297 pView->wobble_timer = XtAppAddTimeOut
295 (pView->app, 298 (pView->app,
296 (long unsigned int) (1000. * (1. / pVie 299 (long unsigned int) (1000. * (1. / pView->wob_sens)),
297 wobble_timer_callback, 300 wobble_timer_callback,
298 pView); 301 pView);
299 } 302 }
300 } 303 }
301 304
302 void G4OpenGLXmViewer::reset_callback (Widget 305 void G4OpenGLXmViewer::reset_callback (Widget w,
303 XtPointer, 306 XtPointer,
304 XtPointer) 307 XtPointer)
305 { 308 {
306 309
307 G4OpenGLXmViewer* pView; 310 G4OpenGLXmViewer* pView;
308 311
309 XtVaGetValues (w, 312 XtVaGetValues (w,
310 XmNuserData, &pView, 313 XmNuserData, &pView,
311 NULL); 314 NULL);
312 315
313 pView->fVP.SetCurrentTargetPoint(G4Point3D() 316 pView->fVP.SetCurrentTargetPoint(G4Point3D());
314 pView->fVP.SetZoomFactor(1.0); 317 pView->fVP.SetZoomFactor(1.0);
315 pView->fVP.SetDolly(0.0); 318 pView->fVP.SetDolly(0.0);
316 pView->SetView (); 319 pView->SetView ();
317 pView->ClearView (); 320 pView->ClearView ();
318 pView->DrawView (); 321 pView->DrawView ();
319 pView->zoom_low = 0.1; 322 pView->zoom_low = 0.1;
320 pView->zoom_high = 10.0; 323 pView->zoom_high = 10.0;
321 324
322 } 325 }
>> 326 #endif
323 327