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TEveQuadSetGL.cxx
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1// @(#)root/eve:$Id$
2// Authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
3
4/*************************************************************************
5 * Copyright (C) 1995-2007, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#include "TMath.h"
13
14#include "TEveQuadSetGL.h"
15
16#include "TGLRnrCtx.h"
17#include "TGLIncludes.h"
18
19/** \class TEveQuadSetGL
20\ingroup TEve
21GL-renderer for TEveQuadSet class.
22*/
23
24ClassImp(TEveQuadSetGL);
25
26////////////////////////////////////////////////////////////////////////////////
27/// Constructor.
28
29TEveQuadSetGL::TEveQuadSetGL() : TEveDigitSetGL(), fM(nullptr)
30{
31 // fDLCache = false; // Disable DL.
32 fMultiColor = kTRUE;
33}
34
35////////////////////////////////////////////////////////////////////////////////
36/// Set model object.
37
38Bool_t TEveQuadSetGL::SetModel(TObject* obj, const Option_t* /*opt*/)
39{
40 fM = SetModelDynCast<TEveQuadSet>(obj);
41 return kTRUE;
42}
43
44namespace
45{
46 inline void AntiFlick(Float_t x, Float_t y, Float_t z)
47 {
48 // Render anti-flickering point.
49 glBegin(GL_POINTS);
50 glVertex3f(x, y, z);
51 glEnd();
52 }
53}
54
55////////////////////////////////////////////////////////////////////////////////
56/// Draw quad-set with GL.
57
58void TEveQuadSetGL::DirectDraw(TGLRnrCtx & rnrCtx) const
59{
60 static const TEveException eH("TEveQuadSetGL::DirectDraw ");
61
62 // printf("QuadSetGLRenderer::DirectDraw Style %d, LOD %d\n", rnrCtx.Style(), rnrCtx.LOD());
63
64 TEveQuadSet& mQ = * fM;
65
66 if (mQ.fPlex.Size() > 0)
67 {
68 if (! mQ.fSingleColor && ! mQ.fValueIsColor && mQ.fPalette == nullptr)
69 {
70 mQ.AssertPalette();
71 }
72
73 glPushAttrib(GL_ENABLE_BIT | GL_POLYGON_BIT);
74 glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
75 glEnable(GL_COLOR_MATERIAL);
76 glDisable(GL_CULL_FACE);
77
78 if ( ! rnrCtx.IsDrawPassOutlineLine())
79 {
80 if (mQ.fRenderMode == TEveDigitSet::kRM_Fill)
81 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
82 else if (mQ.fRenderMode == TEveDigitSet::kRM_Line)
83 glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
84 }
85
86 if (mQ.fDisableLighting) glDisable(GL_LIGHTING);
87
88 if (mQ.fQuadType < TEveQuadSet::kQT_Rectangle_End) RenderQuads(rnrCtx);
89 else if (mQ.fQuadType < TEveQuadSet::kQT_Line_End) RenderLines(rnrCtx);
90 else if (mQ.fQuadType < TEveQuadSet::kQT_Hexagon_End) RenderHexagons(rnrCtx);
91
92 glPopAttrib();
93 }
94
95 DrawFrameIfNeeded(rnrCtx);
96}
97
98////////////////////////////////////////////////////////////////////////////////
99/// GL rendering for free-quads and rectangles.
100
101void TEveQuadSetGL::RenderQuads(TGLRnrCtx& rnrCtx) const
102{
103 static const TEveException eH("TEveQuadSetGL::RenderQuads ");
104
105 TEveQuadSet& mQ = * fM;
106
107 GLenum primitiveType;
108 if (mQ.fRenderMode != TEveDigitSet::kRM_Line)
109 {
110 primitiveType = GL_QUADS;
111 if (mQ.fQuadType == TEveQuadSet::kQT_FreeQuad)
112 glEnable(GL_NORMALIZE);
113 else
114 glNormal3f(0, 0, 1);
115 } else {
116 primitiveType = GL_LINE_LOOP;
117 }
118
119 TEveChunkManager::iterator qi(mQ.fPlex);
120 if (rnrCtx.Highlight() && fHighlightSet)
121 qi.fSelection = fHighlightSet;
122
123 if (rnrCtx.SecSelection()) glPushName(0);
124
125 switch (mQ.fQuadType)
126 {
127 case TEveQuadSet::kQT_FreeQuad:
128 {
129 Float_t e1[3], e2[3], normal[3];
130 while (qi.next()) {
131 TEveQuadSet::QFreeQuad_t& q = * (TEveQuadSet::QFreeQuad_t*) qi();
132 if (SetupColor(q))
133 {
134 Float_t* p = q.fVertices;
135 e1[0] = p[3] - p[0]; e1[1] = p[4] - p[1]; e1[2] = p[5] - p[2];
136 e2[0] = p[6] - p[0]; e2[1] = p[7] - p[1]; e2[2] = p[8] - p[2];
137 TMath::Cross(e1, e2, normal);
138 if (rnrCtx.SecSelection()) glLoadName(qi.index());
139 glBegin(primitiveType);
140 glNormal3fv(normal);
141 glVertex3fv(p);
142 glVertex3fv(p + 3);
143 glVertex3fv(p + 6);
144 glVertex3fv(p + 9);
145 glEnd();
146 if (mQ.fAntiFlick)
147 AntiFlick(0.5f*(p[0]+p[6]), 0.5f*(p[1]+p[7]), 0.5f*(p[2]+p[8]));
148 }
149 }
150 break;
151 }
152
153 case TEveQuadSet::kQT_RectangleXY:
154 {
155 while (qi.next()) {
156 TEveQuadSet::QRect_t& q = * (TEveQuadSet::QRect_t*) qi();
157 if (SetupColor(q))
158 {
159 if (rnrCtx.SecSelection()) glLoadName(qi.index());
160 glBegin(primitiveType);
161 glVertex3f(q.fA, q.fB, q.fC);
162 glVertex3f(q.fA + q.fW, q.fB, q.fC);
163 glVertex3f(q.fA + q.fW, q.fB + q.fH, q.fC);
164 glVertex3f(q.fA, q.fB + q.fH, q.fC);
165 glEnd();
166 if (mQ.fAntiFlick)
167 AntiFlick(q.fA + 0.5f*q.fW, q.fB + 0.5f*q.fH, q.fC);
168 }
169 }
170 break;
171 }
172
173 case TEveQuadSet::kQT_RectangleXZ:
174 {
175 while (qi.next()) {
176 TEveQuadSet::QRect_t& q = * (TEveQuadSet::QRect_t*) qi();
177 if (SetupColor(q))
178 {
179 if (rnrCtx.SecSelection()) glLoadName(qi.index());
180 glBegin(primitiveType);
181 glVertex3f(q.fA, q.fC, q.fB);
182 glVertex3f(q.fA + q.fW, q.fC, q.fB);
183 glVertex3f(q.fA + q.fW, q.fC, q.fB + q.fH);
184 glVertex3f(q.fA, q.fC, q.fB + q.fH);
185 glEnd();
186 if (mQ.fAntiFlick)
187 AntiFlick(q.fA + 0.5f*q.fW, q.fC, q.fB + 0.5f*q.fH);
188 }
189 }
190 break;
191 }
192
193 case TEveQuadSet::kQT_RectangleYZ:
194 {
195 while (qi.next()) {
196 TEveQuadSet::QRect_t& q = * (TEveQuadSet::QRect_t*) qi();
197 if (SetupColor(q))
198 {
199 if (rnrCtx.SecSelection()) glLoadName(qi.index());
200 glBegin(primitiveType);
201 glVertex3f(q.fC, q.fA, q.fB);
202 glVertex3f(q.fC, q.fA + q.fW, q.fB);
203 glVertex3f(q.fC, q.fA + q.fW, q.fB + q.fH);
204 glVertex3f(q.fC, q.fA, q.fB + q.fH);
205 glEnd();
206 if (mQ.fAntiFlick)
207 AntiFlick(q.fC, q.fA + 0.5f*q.fW, q.fB + 0.5f*q.fH);
208 }
209 }
210 break;
211 }
212
213 case TEveQuadSet::kQT_RectangleXYFixedDim:
214 {
215 const Float_t& w = mQ.fDefWidth;
216 const Float_t& h = mQ.fDefHeight;
217 while (qi.next()) {
218 TEveQuadSet::QRectFixDim_t& q = * (TEveQuadSet::QRectFixDim_t*) qi();
219 if (SetupColor(q))
220 {
221 if (rnrCtx.SecSelection()) glLoadName(qi.index());
222 glBegin(primitiveType);
223 glVertex3f(q.fA, q.fB, q.fC);
224 glVertex3f(q.fA + w, q.fB, q.fC);
225 glVertex3f(q.fA + w, q.fB + h, q.fC);
226 glVertex3f(q.fA, q.fB + h, q.fC);
227 glEnd();
228 glEnd();
229 if (mQ.fAntiFlick)
230 AntiFlick(q.fA + 0.5f*w, q.fB + 0.5f*h, q.fC);
231 }
232 }
233 break;
234 }
235
236 case TEveQuadSet::kQT_RectangleXYFixedZ:
237 {
238 const Float_t& z = mQ.fDefCoord;
239 while (qi.next()) {
240 TEveQuadSet::QRectFixC_t& q = * (TEveQuadSet::QRectFixC_t*) qi();
241 if (SetupColor(q))
242 {
243 if (rnrCtx.SecSelection()) glLoadName(qi.index());
244 glBegin(primitiveType);
245 glVertex3f(q.fA, q.fB, z);
246 glVertex3f(q.fA + q.fW, q.fB, z);
247 glVertex3f(q.fA + q.fW, q.fB + q.fH, z);
248 glVertex3f(q.fA, q.fB + q.fH, z);
249 glEnd();
250 if (mQ.fAntiFlick)
251 AntiFlick(q.fA + 0.5f*q.fW, q.fB + 0.5f*q.fH, z);
252 }
253 }
254 break;
255 }
256
257 case TEveQuadSet::kQT_RectangleXZFixedY:
258 {
259 const Float_t& y = mQ.fDefCoord;
260 while (qi.next()) {
261 TEveQuadSet::QRectFixC_t& q = * (TEveQuadSet::QRectFixC_t*) qi();
262 if (SetupColor(q))
263 {
264 if (rnrCtx.SecSelection()) glLoadName(qi.index());
265 glBegin(primitiveType);
266 glVertex3f(q.fA, y, q.fB);
267 glVertex3f(q.fA + q.fW, y, q.fB);
268 glVertex3f(q.fA + q.fW, y, q.fB + q.fH);
269 glVertex3f(q.fA, y, q.fB + q.fH);
270 glEnd();
271 if (mQ.fAntiFlick)
272 AntiFlick(q.fA + 0.5f*q.fW, y, q.fB + 0.5f*q.fH);
273 }
274 }
275 break;
276 }
277
278 case TEveQuadSet::kQT_RectangleYZFixedX:
279 {
280 const Float_t& x = mQ.fDefCoord;
281 while (qi.next()) {
282 TEveQuadSet::QRectFixC_t& q = * (TEveQuadSet::QRectFixC_t*) qi();
283 if (SetupColor(q))
284 {
285 if (rnrCtx.SecSelection()) glLoadName(qi.index());
286 glBegin(primitiveType);
287 glVertex3f(x, q.fA, q.fB);
288 glVertex3f(x, q.fA + q.fW, q.fB);
289 glVertex3f(x, q.fA + q.fW, q.fB + q.fH);
290 glVertex3f(x, q.fA, q.fB + q.fH);
291 glEnd();
292 if (mQ.fAntiFlick)
293 AntiFlick(x, q.fA + 0.5f*q.fW, q.fB + 0.5f*q.fH);
294 }
295 }
296 break;
297 }
298
299 case TEveQuadSet::kQT_RectangleXYFixedDimZ:
300 {
301 const Float_t& z = mQ.fDefCoord;
302 const Float_t& w = mQ.fDefWidth;
303 const Float_t& h = mQ.fDefHeight;
304 while (qi.next()) {
305 TEveQuadSet::QRectFixDimC_t& q = * (TEveQuadSet::QRectFixDimC_t*) qi();
306 if (SetupColor(q))
307 {
308 if (rnrCtx.SecSelection()) glLoadName(qi.index());
309 glBegin(primitiveType);
310 glVertex3f(q.fA, q.fB, z);
311 glVertex3f(q.fA + w, q.fB, z);
312 glVertex3f(q.fA + w, q.fB + h, z);
313 glVertex3f(q.fA, q.fB + h, z);
314 glEnd();
315 if (mQ.fAntiFlick)
316 AntiFlick(q.fA + 0.5f*w, q.fB + 0.5f*h, z);
317 }
318 }
319 break;
320 }
321
322 case TEveQuadSet::kQT_RectangleXZFixedDimY:
323 {
324 const Float_t& y = mQ.fDefCoord;
325 const Float_t& w = mQ.fDefWidth;
326 const Float_t& h = mQ.fDefHeight;
327 while (qi.next()) {
328 TEveQuadSet::QRectFixDimC_t& q = * (TEveQuadSet::QRectFixDimC_t*) qi();
329 if (SetupColor(q))
330 {
331 if (rnrCtx.SecSelection()) glLoadName(qi.index());
332 glBegin(primitiveType);
333 glVertex3f(q.fA, y, q.fB);
334 glVertex3f(q.fA + w, y, q.fB);
335 glVertex3f(q.fA + w, y, q.fB + h);
336 glVertex3f(q.fA, y, q.fB + h);
337 glEnd();
338 if (mQ.fAntiFlick)
339 AntiFlick(q.fA + 0.5f*w, y, q.fB + 0.5f*h);
340 }
341 }
342 break;
343 }
344
345 case TEveQuadSet::kQT_RectangleYZFixedDimX:
346 {
347 const Float_t& x = mQ.fDefCoord;
348 const Float_t& w = mQ.fDefWidth;
349 const Float_t& h = mQ.fDefHeight;
350 while (qi.next()) {
351 TEveQuadSet::QRectFixDimC_t& q = * (TEveQuadSet::QRectFixDimC_t*) qi();
352 if (SetupColor(q))
353 {
354 if (rnrCtx.SecSelection()) glLoadName(qi.index());
355 glBegin(primitiveType);
356 glVertex3f(x, q.fA, q.fB);
357 glVertex3f(x, q.fA + w, q.fB);
358 glVertex3f(x, q.fA + w, q.fB + h);
359 glVertex3f(x, q.fA, q.fB + h);
360 glEnd();
361 if (mQ.fAntiFlick)
362 AntiFlick(x, q.fA + 0.5f*w, q.fB + 0.5f*h);
363 }
364 }
365 break;
366 }
367
368 default:
369 throw(eH + "unsupported quad-type.");
370
371 } // end switch quad-type
372
373 if (rnrCtx.SecSelection()) glPopName();
374}
375
376////////////////////////////////////////////////////////////////////////////////
377/// GL rendering for line-types.
378
379void TEveQuadSetGL::RenderLines(TGLRnrCtx & rnrCtx) const
380{
381 static const TEveException eH("TEveQuadSetGL::RenderLines ");
382
383 TEveQuadSet& mQ = * fM;
384
385 TEveChunkManager::iterator qi(mQ.fPlex);
386 if (rnrCtx.Highlight() && fHighlightSet)
387 qi.fSelection = fHighlightSet;
388
389 if (rnrCtx.SecSelection()) glPushName(0);
390
391 switch (mQ.fQuadType)
392 {
393
394 case TEveQuadSet::kQT_LineXYFixedZ:
395 {
396 const Float_t& z = mQ.fDefCoord;
397 while (qi.next()) {
398 TEveQuadSet::QLineFixC_t& q = * (TEveQuadSet::QLineFixC_t*) qi();
399 if (SetupColor(q))
400 {
401 if (rnrCtx.SecSelection()) glLoadName(qi.index());
402 glBegin(GL_LINES);
403 glVertex3f(q.fA, q.fB, z);
404 glVertex3f(q.fA + q.fDx, q.fB + q.fDy, z);
405 glEnd();
406 }
407 }
408 break;
409 }
410
411 case TEveQuadSet::kQT_LineXZFixedY:
412 {
413 const Float_t& z = mQ.fDefCoord;
414 while (qi.next()) {
415 TEveQuadSet::QLineFixC_t& q = * (TEveQuadSet::QLineFixC_t*) qi();
416 if (SetupColor(q))
417 {
418 if (rnrCtx.SecSelection()) glLoadName(qi.index());
419 glBegin(GL_LINES);
420 glVertex3f(q.fA, z, q.fB);
421 glVertex3f(q.fA + q.fDx, z, q.fB + q.fDy);
422 glEnd();
423 }
424 }
425 break;
426 }
427
428 default:
429 throw(eH + "unsupported quad-type.");
430
431 }
432
433 if (rnrCtx.SecSelection()) glPopName();
434}
435
436////////////////////////////////////////////////////////////////////////////////
437/// GL rendering for hexagons.
438
439void TEveQuadSetGL::RenderHexagons(TGLRnrCtx & rnrCtx) const
440{
441 static const TEveException eH("TEveQuadSetGL::RenderHexagons ");
442
443 const Float_t sqr3hf = 0.5*TMath::Sqrt(3);
444
445 TEveQuadSet& mQ = * fM;
446
447 GLenum primitveType = (mQ.fRenderMode != TEveDigitSet::kRM_Line) ?
448 GL_POLYGON : GL_LINE_LOOP;
449
450 glNormal3f(0, 0, 1);
451
452 TEveChunkManager::iterator qi(mQ.fPlex);
453 if (rnrCtx.Highlight() && fHighlightSet)
454 qi.fSelection = fHighlightSet;
455
456 if (rnrCtx.SecSelection()) glPushName(0);
457
458 switch (mQ.fQuadType)
459 {
460 case TEveQuadSet::kQT_HexagonXY:
461 {
462 while (qi.next()) {
463 TEveQuadSet::QHex_t& q = * (TEveQuadSet::QHex_t*) qi();
464 if (SetupColor(q))
465 {
466 const Float_t rh = q.fR * 0.5;
467 const Float_t rs = q.fR * sqr3hf;
468 if (rnrCtx.SecSelection()) glLoadName(qi.index());
469 glBegin(primitveType);
470 glVertex3f( q.fR + q.fA, q.fB, q.fC);
471 glVertex3f( rh + q.fA, rs + q.fB, q.fC);
472 glVertex3f( -rh + q.fA, rs + q.fB, q.fC);
473 glVertex3f(-q.fR + q.fA, q.fB, q.fC);
474 glVertex3f( -rh + q.fA, -rs + q.fB, q.fC);
475 glVertex3f( rh + q.fA, -rs + q.fB, q.fC);
476 glEnd();
477 if (mQ.fAntiFlick)
478 AntiFlick(q.fA, q.fB, q.fC);
479 }
480 }
481 break;
482 }
483
484 case TEveQuadSet::kQT_HexagonYX:
485 {
486 while (qi.next()) {
487 TEveQuadSet::QHex_t& q = * (TEveQuadSet::QHex_t*) qi();
488 if (SetupColor(q))
489 {
490 const Float_t rh = q.fR * 0.5;
491 const Float_t rs = q.fR * sqr3hf;
492 if (rnrCtx.SecSelection()) glLoadName(qi.index());
493 glBegin(primitveType);
494 glVertex3f( rs + q.fA, rh + q.fB, q.fC);
495 glVertex3f( q.fA, q.fR + q.fB, q.fC);
496 glVertex3f(-rs + q.fA, rh + q.fB, q.fC);
497 glVertex3f(-rs + q.fA, -rh + q.fB, q.fC);
498 glVertex3f( q.fA, -q.fR + q.fB, q.fC);
499 glVertex3f( rs + q.fA, -rh + q.fB, q.fC);
500 glEnd();
501 if (mQ.fAntiFlick)
502 AntiFlick(q.fA, q.fB, q.fC);
503 }
504 }
505 break;
506 }
507
508 default:
509 throw(eH + "unsupported quad-type.");
510
511 } // end switch quad-type
512
513 if (rnrCtx.SecSelection()) glPopName();
514}
h
#define h(i)
Definition RSha256.hxx:106
Float_t
float Float_t
Float 4 bytes (float)
Definition RtypesCore.h:71
kTRUE
constexpr Bool_t kTRUE
Definition RtypesCore.h:107
Option_t
const char Option_t
Option string (const char)
Definition RtypesCore.h:80
ClassImp
#define ClassImp(name)
Definition Rtypes.h:376
TRangeDynCast
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
Definition TCollection.h:358
p
winID h TVirtualViewer3D TVirtualGLPainter p
Definition TGWin32VirtualGLProxy.cxx:51
q
float * q
Definition THbookFile.cxx:89
TEveDigitSetGL
OpenGL renderer class for TEveDigitSet.
Definition TEveDigitSetGL.h:26
TEveDigitSetGL::fHighlightSet
const std::set< Int_t > * fHighlightSet
Definition TEveDigitSetGL.h:32
TEveDigitSetGL::DrawFrameIfNeeded
void DrawFrameIfNeeded(TGLRnrCtx &rnrCtx) const
Make a decision if the frame should be drawn.
Definition TEveDigitSetGL.cxx:70
TEveDigitSetGL::SetupColor
Bool_t SetupColor(const TEveDigitSet::DigitBase_t &q) const
Set color for rendering of the specified digit.
Definition TEveDigitSetGL.cxx:37
TEveException
Exception class thrown by TEve classes and macros.
Definition TEveUtil.h:102
TEveQuadSetGL
GL-renderer for TEveQuadSet class.
Definition TEveQuadSetGL.h:19
TEveQuadSetGL::TEveQuadSetGL
TEveQuadSetGL()
Constructor.
Definition TEveQuadSetGL.cxx:29
TEveQuadSetGL::RenderQuads
void RenderQuads(TGLRnrCtx &rnrCtx) const
GL rendering for free-quads and rectangles.
Definition TEveQuadSetGL.cxx:101
TEveQuadSetGL::RenderHexagons
void RenderHexagons(TGLRnrCtx &rnrCtx) const
GL rendering for hexagons.
Definition TEveQuadSetGL.cxx:439
TEveQuadSetGL::RenderLines
void RenderLines(TGLRnrCtx &rnrCtx) const
GL rendering for line-types.
Definition TEveQuadSetGL.cxx:379
TEveQuadSetGL::DirectDraw
void DirectDraw(TGLRnrCtx &rnrCtx) const override
Draw quad-set with GL.
Definition TEveQuadSetGL.cxx:58
TEveQuadSetGL::SetModel
Bool_t SetModel(TObject *obj, const Option_t *opt=nullptr) override
Set model object.
Definition TEveQuadSetGL.cxx:38
TEveQuadSetGL::fM
TEveQuadSet * fM
Definition TEveQuadSetGL.h:24
TEveQuadSet
Supports various internal formats that result in rendering of a set of planar (lines,...
Definition TEveQuadSet.h:20
TEveQuadSet::kQT_RectangleYZFixedX
@ kQT_RectangleYZFixedX
Definition TEveQuadSet.h:36
TEveQuadSet::kQT_RectangleXZFixedDimY
@ kQT_RectangleXZFixedDimY
Definition TEveQuadSet.h:38
TEveQuadSet::kQT_RectangleXYFixedDim
@ kQT_RectangleXYFixedDim
Definition TEveQuadSet.h:33
TEveQuadSet::kQT_RectangleXYFixedZ
@ kQT_RectangleXYFixedZ
Definition TEveQuadSet.h:34
TEveQuadSet::kQT_RectangleXYFixedDimZ
@ kQT_RectangleXYFixedDimZ
Definition TEveQuadSet.h:37
TEveQuadSet::kQT_RectangleYZFixedDimX
@ kQT_RectangleYZFixedDimX
Definition TEveQuadSet.h:39
TEveQuadSet::kQT_RectangleXZFixedY
@ kQT_RectangleXZFixedY
Definition TEveQuadSet.h:35
TGLObject::fMultiColor
Bool_t fMultiColor
Definition TGLObject.h:28
TGLRnrCtx
The TGLRnrCtx class aggregates data for a given redering context as needed by various parts of the RO...
Definition TGLRnrCtx.h:41
TObject
Mother of all ROOT objects.
Definition TObject.h:41
y
Double_t y[n]
Definition legend1.C:17
x
Double_t x[n]
Definition legend1.C:17
TMath::Sqrt
Double_t Sqrt(Double_t x)
Returns the square root of x.
Definition TMath.h:668
TMath::Cross
T * Cross(const T v1[3], const T v2[3], T out[3])
Calculates the Cross Product of two vectors: out = [v1 x v2].
Definition TMath.h:1279
TEveQuadSet::QFreeQuad_t
Definition TEveQuadSet.h:55
TEveQuadSet::QHex_t
Definition TEveQuadSet.h:69
TEveQuadSet::QLineFixC_t
Definition TEveQuadSet.h:67
TEveQuadSet::QRectFixC_t
Definition TEveQuadSet.h:63
TEveQuadSet::QRectFixDimC_t
Definition TEveQuadSet.h:59
TEveQuadSet::QRectFixDim_t
Definition TEveQuadSet.h:61
TEveQuadSet::QRect_t
Definition TEveQuadSet.h:65