0030938: Configuration, genproj - Support building with VS 2019
[occt.git] / src / MeshVS / MeshVS_ElementalColorPrsBuilder.cxx
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b311480e 1// Created on: 2003-11-12
2// Created by: Alexander SOLOVYOV
973c2be1 3// Copyright (c) 2003-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
7fd59977 15
7fd59977 16
7fd59977 17#include <Graphic3d_ArrayOfPolygons.hxx>
18#include <Graphic3d_ArrayOfPolylines.hxx>
37ac4a67 19#include <Graphic3d_ArrayOfSegments.hxx>
20#include <Graphic3d_ArrayOfTriangles.hxx>
42cf5bc1 21#include <Graphic3d_AspectFillArea3d.hxx>
22#include <Graphic3d_AspectLine3d.hxx>
7fd59977 23#include <Graphic3d_Group.hxx>
42cf5bc1 24#include <MeshVS_Buffer.hxx>
25#include <MeshVS_DataMapIteratorOfDataMapOfColorMapOfInteger.hxx>
26#include <MeshVS_DataMapIteratorOfDataMapOfIntegerColor.hxx>
27#include <MeshVS_DataMapIteratorOfDataMapOfIntegerTwoColors.hxx>
28#include <MeshVS_DataMapIteratorOfDataMapOfTwoColorsMapOfInteger.hxx>
7fd59977 29#include <MeshVS_DataMapOfColorMapOfInteger.hxx>
30#include <MeshVS_DataMapOfTwoColorsMapOfInteger.hxx>
42cf5bc1 31#include <MeshVS_DataSource.hxx>
32#include <MeshVS_DisplayModeFlags.hxx>
7fd59977 33#include <MeshVS_Drawer.hxx>
34#include <MeshVS_DrawerAttribute.hxx>
42cf5bc1 35#include <MeshVS_ElementalColorPrsBuilder.hxx>
37ac4a67 36#include <MeshVS_HArray1OfSequenceOfInteger.hxx>
42cf5bc1 37#include <MeshVS_Mesh.hxx>
38#include <MeshVS_MeshPrsBuilder.hxx>
39#include <Prs3d_LineAspect.hxx>
40#include <Prs3d_Presentation.hxx>
41#include <Prs3d_Root.hxx>
42#include <Prs3d_ShadingAspect.hxx>
43#include <Quantity_Color.hxx>
44#include <Standard_Type.hxx>
45#include <TColStd_Array1OfReal.hxx>
46#include <TColStd_HArray1OfReal.hxx>
47#include <TColStd_HPackedMapOfInteger.hxx>
48#include <TColStd_ListIteratorOfListOfInteger.hxx>
49#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
50#include <TColStd_MapOfInteger.hxx>
51#include <TColStd_PackedMapOfInteger.hxx>
52#include <TColStd_SequenceOfInteger.hxx>
7fd59977 53
92efcf78 54IMPLEMENT_STANDARD_RTTIEXT(MeshVS_ElementalColorPrsBuilder,MeshVS_PrsBuilder)
55
7fd59977 56//================================================================
57// Function : Constructor MeshVS_ElementalColorPrsBuilder
58// Purpose :
59//================================================================
60MeshVS_ElementalColorPrsBuilder::MeshVS_ElementalColorPrsBuilder
61 ( const Handle(MeshVS_Mesh)& Parent,
62 const MeshVS_DisplayModeFlags& Flags,
63 const Handle (MeshVS_DataSource)& DS,
64 const Standard_Integer Id,
65 const MeshVS_BuilderPriority& Priority )
66: MeshVS_PrsBuilder ( Parent, Flags, DS, Id, Priority )
67{
68 SetExcluding ( Standard_True );
69}
70
71//================================================================
72// Function : Build
73// Purpose :
74//================================================================
75void MeshVS_ElementalColorPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs,
76 const TColStd_PackedMapOfInteger& IDs,
77 TColStd_PackedMapOfInteger& IDsToExclude,
78 const Standard_Boolean IsElement,
79 const Standard_Integer DisplayMode) const
80{
81 Handle (MeshVS_DataSource) aSource = GetDataSource();
82 Handle (MeshVS_Drawer) aDrawer = GetDrawer();
83
84 if ( aSource.IsNull() || aDrawer.IsNull() )
85 return;
86
87 Standard_Integer aMaxFaceNodes;
88 if ( !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, aMaxFaceNodes ) && aMaxFaceNodes<=0 )
89 return;
90
91 MeshVS_DataMapOfIntegerColor* anElemColorMap = (MeshVS_DataMapOfIntegerColor*) &myElemColorMap1;
92 MeshVS_DataMapOfIntegerTwoColors* anElemTwoColorsMap = (MeshVS_DataMapOfIntegerTwoColors*)&myElemColorMap2;
93
94 MeshVS_DataMapOfColorMapOfInteger aColorsOfElements;
95 MeshVS_DataMapOfTwoColorsMapOfInteger aTwoColorsOfElements;
96
97 MeshVS_Buffer aCoordsBuf (3*aMaxFaceNodes*sizeof(Standard_Real));
98 TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*aMaxFaceNodes);
99 Standard_Integer NbNodes;
100 MeshVS_EntityType aType;
101
102 if ( !( DisplayMode & GetFlags() ) || !IsElement ||
103 ( myElemColorMap1.IsEmpty() && myElemColorMap2.IsEmpty() ) )
104 return;
105
106 // subtract the hidden elements and ids to exclude (to minimise allocated memory)
107 TColStd_PackedMapOfInteger anIDs;
108 anIDs.Assign( IDs );
109 Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems();
110 if ( !aHiddenElems.IsNull() )
111 anIDs.Subtract( aHiddenElems->Map() );
112 anIDs.Subtract( IDsToExclude );
113
114 // STEP 0: We looking for two colored elements, who has equal two colors and move it
115 // to map of elements with one assigned color
116 TColStd_ListOfInteger aColorOne;
117 for ( MeshVS_DataMapIteratorOfDataMapOfIntegerTwoColors anIter ( *anElemTwoColorsMap ); anIter.More(); anIter.Next () )
118 {
119 Standard_Integer aKey = anIter.Key ();
120 MeshVS_TwoColors aValue = anIter.Value ();
121 Quantity_Color aCol1, aCol2;
122 ExtractColors ( aValue, aCol1, aCol2 );
123 if ( aCol1 == aCol2 )
124 {
125 aColorOne.Append ( aKey );
126 anElemColorMap->Bind ( aKey, aCol1 );
127 }
128 }
129
130 for ( TColStd_ListIteratorOfListOfInteger aLIter ( aColorOne ); aLIter.More(); aLIter.Next() )
131 anElemTwoColorsMap->UnBind ( aLIter.Value() );
132
133 // The map is to resort itself by colors.
134 // STEP 1: We start sorting elements with one assigned color
135 for ( MeshVS_DataMapIteratorOfDataMapOfIntegerColor anIterM ( *anElemColorMap ); anIterM.More(); anIterM.Next () )
136 {
137 Standard_Integer aMKey = anIterM.Key ();
138 // The ID of current element
139 Standard_Boolean IsExist = Standard_False;
140 for ( MeshVS_DataMapIteratorOfDataMapOfColorMapOfInteger anIterC ( aColorsOfElements );
141 anIterC.More() && !IsExist; anIterC.Next () )
142 if ( anIterC.Key()==anIterM.Value() )
143 {
144 TColStd_MapOfInteger& aChangeValue = (TColStd_MapOfInteger&) anIterC.Value();
145 aChangeValue.Add ( aMKey );
146 IsExist = Standard_True;
147 }
148
149 if ( !IsExist )
150 {
151 TColStd_MapOfInteger aNewMap; aNewMap.Add ( aMKey );
152 aColorsOfElements.Bind ( anIterM.Value(), aNewMap );
153 }
154 }
155
156 // STEP 2: We start sorting elements with two assigned colors
157 for ( MeshVS_DataMapIteratorOfDataMapOfIntegerTwoColors anIterM2 ( *anElemTwoColorsMap ); anIterM2.More();
158 anIterM2.Next () )
159 {
160 Standard_Integer aMKey = anIterM2.Key ();
161 // The ID of current element
162 Standard_Boolean IsExist = Standard_False;
163 for ( MeshVS_DataMapIteratorOfDataMapOfTwoColorsMapOfInteger anIterC2 ( aTwoColorsOfElements );
164 anIterC2.More() && !IsExist; anIterC2.Next () )
165 if ( IsEqual ( anIterC2.Key(), anIterM2.Value() ) )
166 {
167 TColStd_MapOfInteger& aChangeValue = (TColStd_MapOfInteger&) anIterC2.Value();
168 aChangeValue.Add ( aMKey );
169 IsExist = Standard_True;
170 }
171
172 if ( !IsExist )
173 {
174 TColStd_MapOfInteger aNewMap; aNewMap.Add ( aMKey );
175 aTwoColorsOfElements.Bind ( anIterM2.Value(), aNewMap );
176 }
177 }
178
179 //Now we are ready to draw faces with equal colors
7fd59977 180 Aspect_TypeOfLine anEdgeType = Aspect_TOL_SOLID;
181 Aspect_TypeOfLine aLineType = Aspect_TOL_SOLID;
182 Standard_Integer anEdgeInt, aLineInt;
183 Standard_Real anEdgeWidth, aLineWidth;
184 Quantity_Color anInteriorColor;
185 Quantity_Color anEdgeColor, aLineColor;
186 Standard_Boolean anEdgeOn = Standard_True, IsReflect = Standard_False,
187 IsMeshSmoothShading = Standard_False;
cde2e2f0 188 Standard_Boolean toSupressBackFaces = Standard_False;
7fd59977 189
190 aDrawer->GetColor ( MeshVS_DA_InteriorColor, anInteriorColor );
191 aDrawer->GetColor ( MeshVS_DA_EdgeColor, anEdgeColor );
192 aDrawer->GetColor ( MeshVS_DA_BeamColor, aLineColor );
193 aDrawer->GetDouble ( MeshVS_DA_EdgeWidth, anEdgeWidth );
194 aDrawer->GetDouble ( MeshVS_DA_BeamWidth, aLineWidth );
195 aDrawer->GetBoolean( MeshVS_DA_ShowEdges, anEdgeOn );
196 aDrawer->GetBoolean( MeshVS_DA_ColorReflection, IsReflect );
197 aDrawer->GetBoolean( MeshVS_DA_SmoothShading, IsMeshSmoothShading );
cde2e2f0 198 aDrawer->GetBoolean (MeshVS_DA_SupressBackFaces, toSupressBackFaces);
7fd59977 199
7fd59977 200 if ( aDrawer->GetInteger ( MeshVS_DA_EdgeType, anEdgeInt) )
201 anEdgeType = (Aspect_TypeOfLine) anEdgeInt;
202
203 if ( aDrawer->GetInteger ( MeshVS_DA_BeamType, aLineInt) )
204 aLineType = (Aspect_TypeOfLine) aLineInt;
205
206 Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo;
207 Standard_Integer PolygonVerticesFor3D = 0, PolygonBoundsFor3D = 0;
208 TColStd_MapIteratorOfPackedMapOfInteger it (anIDs);
209 for( ; it.More(); it.Next() )
210 {
211 Standard_Integer aKey = it.Key();
212 if( aSource->Get3DGeom( aKey, NbNodes, aTopo ) )
213 MeshVS_MeshPrsBuilder::HowManyPrimitives
214 ( aTopo, Standard_True, Standard_False, NbNodes,
215 PolygonVerticesFor3D, PolygonBoundsFor3D );
216 }
217
218 Graphic3d_MaterialAspect aMaterial[2];
37ac4a67 219 for (Standard_Integer i = 0; i < 2; i++)
7fd59977 220 {
221 // OCC20644 "plastic" is most suitable here, as it is "non-physic"
222 // so TelUpdateMaterial() from OpenGl_attri.c uses the interior
223 // color from AspectFillArea3d to calculate all material colors
224 aMaterial[i] = Graphic3d_MaterialAspect ( Graphic3d_NOM_PLASTIC );
225
226 // OCC21720 For single-colored elements turning all material components off is a good idea,
227 // as anyhow the normals are not computed and the lighting will be off,
228 // the element color will be taken from Graphic3d_AspectFillArea3d's interior color,
229 // and there is no need to spend time on updating material properties
230 if ( !IsReflect )
231 {
232 aMaterial[i].SetReflectionModeOff(Graphic3d_TOR_AMBIENT);
233 aMaterial[i].SetReflectionModeOff(Graphic3d_TOR_DIFFUSE);
234 aMaterial[i].SetReflectionModeOff(Graphic3d_TOR_SPECULAR);
235 aMaterial[i].SetReflectionModeOff(Graphic3d_TOR_EMISSION);
236 }
237 else
238 {
239 // OCC20644 This stuff is important in order for elemental and nodal colors
240 // to produce similar visual impression and also to make colors match
241 // those in the color scale most exactly (the sum of all reflection
242 // coefficients is equal to 1). See also MeshVS_NodalColorPrsBuilder
243 // class for more explanations.
244 aMaterial[i].SetAmbient( .5 );
245 aMaterial[i].SetDiffuse( .5 );
246 aMaterial[i].SetSpecular( 0. );
247 aMaterial[i].SetEmissive( 0. );
248 }
249 }
250
251 // Draw elements with one color
3e05329c 252 Handle(Graphic3d_Group) aGGroup, aGroup2, aLGroup, aSGroup;
253 if (!aTwoColorsOfElements.IsEmpty())
7fd59977 254 {
3e05329c 255 aGroup2 = Prs3d_Root::NewGroup (Prs);
256 }
257 if (!aColorsOfElements.IsEmpty())
258 {
259 Handle(Graphic3d_AspectFillArea3d) aGroupFillAspect = new Graphic3d_AspectFillArea3d (Aspect_IS_SOLID, anInteriorColor, anEdgeColor,
260 anEdgeType, anEdgeWidth, aMaterial[0], aMaterial[1]);
261 aGGroup = Prs3d_Root::NewGroup (Prs);
262 aLGroup = Prs3d_Root::NewGroup (Prs);
263 aGGroup->SetClosed (toSupressBackFaces == Standard_True);
264 aGGroup->SetGroupPrimitivesAspect (aGroupFillAspect);
265 }
266
267 if (anEdgeOn)
268 {
269 Handle(Graphic3d_AspectLine3d) anEdgeAspect = new Graphic3d_AspectLine3d (anEdgeColor, anEdgeType, anEdgeWidth);
270 aSGroup = Prs3d_Root::NewGroup (Prs);
271 aSGroup->SetGroupPrimitivesAspect (anEdgeAspect);
272 }
273
274 for (MeshVS_DataMapIteratorOfDataMapOfColorMapOfInteger aColIter (aColorsOfElements);
275 aColIter.More(); aColIter.Next())
276 {
277 if (aColIter.Value().IsEmpty())
278 {
7fd59977 279 continue;
3e05329c 280 }
7fd59977 281
282 TColStd_PackedMapOfInteger aCustomElements;
283
37ac4a67 284 Standard_Integer aNbFacePrimitives = 0;
285 Standard_Integer aNbVolmPrimitives = 0;
286 Standard_Integer aNbEdgePrimitives = 0;
287 Standard_Integer aNbLinkPrimitives = 0;
288
289 for (it.Reset(); it.More(); it.Next())
290 {
291 Standard_Integer aNbNodes = 0;
292
293 if (!aColIter.Value().Contains (it.Key()))
294 continue;
295
296 if (!aSource->GetGeom (it.Key(), Standard_True, aCoords, aNbNodes, aType))
297 continue;
298
299 if (aType == MeshVS_ET_Volume)
300 {
301 if (aSource->Get3DGeom (it.Key(), aNbNodes, aTopo))
302 {
303 for (Standard_Integer aFaceIdx = aTopo->Lower(); aFaceIdx <= aTopo->Upper(); ++aFaceIdx)
304 {
305 const TColStd_SequenceOfInteger& aFaceNodes = aTopo->Value (aFaceIdx);
7fd59977 306
37ac4a67 307 if (anEdgeOn) // add edge segments
308 {
309 aNbEdgePrimitives += aFaceNodes.Length();
310 }
311
709e97a0 312 aNbVolmPrimitives += aFaceNodes.Length() - 2;
37ac4a67 313 }
314 }
315 }
316 else if (aType == MeshVS_ET_Link)
317 {
318 if (anEdgeOn)
319 {
320 aNbLinkPrimitives += aNbNodes - 1; // add link segments
321 }
322 }
323 else if (aType == MeshVS_ET_Face)
324 {
325 if (anEdgeOn)
326 {
327 aNbEdgePrimitives += aNbNodes; // add edge segments
328 }
329
330 aNbFacePrimitives += aNbNodes - 2; // add face triangles
331 }
332 }
333
334 // Here we do not use indices arrays because they are not effective for some mesh
335 // drawing modes: shrinking mode (displaces the vertices inside the polygon), 3D
336 // cell rendering (normal interpolation is not always applicable - flat shading),
337 // elemental coloring (color interpolation is impossible)
338
339 Handle (Graphic3d_ArrayOfTriangles) aFaceTriangles = new Graphic3d_ArrayOfTriangles (
340 (aNbFacePrimitives + aNbVolmPrimitives) * 3, 0, IsReflect );
7fd59977 341 Standard_Boolean IsPolyG = Standard_False;
342
37ac4a67 343 Handle (Graphic3d_ArrayOfSegments) anEdgeSegments = new Graphic3d_ArrayOfSegments (aNbEdgePrimitives * 2);
344 Handle (Graphic3d_ArrayOfSegments) aLinkSegments = new Graphic3d_ArrayOfSegments (aNbLinkPrimitives * 2);
7fd59977 345 Standard_Boolean IsPolyL = Standard_False;
346
347 // OCC20644 NOTE: aColIter.Key() color is then scaled by TelUpdateMaterial() in OpenGl_attri.c
348 // using the material reflection coefficients. This affects the visual result.
37ac4a67 349 Handle(Graphic3d_AspectFillArea3d) aFillAspect =
7fd59977 350 new Graphic3d_AspectFillArea3d ( Aspect_IS_SOLID, aColIter.Key(), anEdgeColor,
351 anEdgeType, anEdgeWidth, aMaterial[0], aMaterial[1] );
352
37ac4a67 353 Handle(Graphic3d_AspectLine3d) aLinkAspect =
7fd59977 354 new Graphic3d_AspectLine3d ( aColIter.Key(), aLineType, aLineWidth );
355
37ac4a67 356 aFillAspect->SetDistinguishOff ();
357 aFillAspect->SetInteriorColor ( aColIter.Key() );
b6472664 358 aFillAspect->SetEdgeOff();
7fd59977 359
37ac4a67 360 for (it.Reset(); it.More(); it.Next())
7fd59977 361 {
362 Standard_Integer aKey = it.Key();
37ac4a67 363
364 if (aColIter.Value().Contains (aKey))
7fd59977 365 {
37ac4a67 366 if (!aSource->GetGeom (aKey, Standard_True, aCoords, NbNodes, aType))
7fd59977 367 continue;
37ac4a67 368
369 if (aType != MeshVS_ET_Face && aType != MeshVS_ET_Link && aType != MeshVS_ET_Volume)
7fd59977 370 {
37ac4a67 371 aCustomElements.Add (aKey);
372 continue;
7fd59977 373 }
37ac4a67 374
375 if (IsExcludingOn())
376 IDsToExclude.Add (aKey);
377
378 if (aType == MeshVS_ET_Volume)
7fd59977 379 {
37ac4a67 380 if (!aSource->Get3DGeom (aKey, NbNodes, aTopo))
7fd59977 381 {
7fd59977 382 continue;
37ac4a67 383 }
384
385 MeshVS_MeshPrsBuilder::AddVolumePrs (aTopo, aCoords,
386 NbNodes, aFaceTriangles, IsReflect, Standard_False, Standard_False, 1.0);
387
388 if (anEdgeOn)
389 {
390 MeshVS_MeshPrsBuilder::AddVolumePrs (aTopo, aCoords,
391 NbNodes, anEdgeSegments, IsReflect, Standard_False, Standard_False, 1.0);
392 }
393
394 IsPolyG = Standard_True;
7fd59977 395 }
37ac4a67 396 else if (aType == MeshVS_ET_Face)
7fd59977 397 {
37ac4a67 398 // Preparing normals
399 Handle(TColStd_HArray1OfReal) aNormals;
400 Standard_Boolean aHasNormals = IsReflect && aSource->GetNormalsByElement (aKey, IsMeshSmoothShading, aMaxFaceNodes, aNormals);
7fd59977 401
37ac4a67 402 for (Standard_Integer aNodeIdx = 0; aNodeIdx < NbNodes - 2; ++aNodeIdx)
403 {
404 for (Standard_Integer anIdx = 0; anIdx < 3; ++anIdx)
405 {
406 if (IsReflect)
407 {
408 aFaceTriangles->AddVertex (aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 1),
409 aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 2),
410 aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 3),
411 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 1) : 0.0,
412 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 2) : 0.0,
413 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 3) : 1.0);
414 }
415 else
416 {
417 aFaceTriangles->AddVertex (aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 1),
418 aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 2),
419 aCoords (3 * (anIdx == 0 ? 0 : (aNodeIdx + anIdx)) + 3));
420 }
421 }
422 }
7fd59977 423
37ac4a67 424 if (anEdgeOn)
7fd59977 425 {
37ac4a67 426 for (Standard_Integer aNodeIdx = 0; aNodeIdx < NbNodes; ++aNodeIdx)
7fd59977 427 {
37ac4a67 428 const Standard_Integer aNextIdx = (aNodeIdx + 1) % NbNodes;
429
430 anEdgeSegments->AddVertex (aCoords (3 * aNodeIdx + 1),
431 aCoords (3 * aNodeIdx + 2),
432 aCoords (3 * aNodeIdx + 3));
433
434 anEdgeSegments->AddVertex (aCoords (3 * aNextIdx + 1),
435 aCoords (3 * aNextIdx + 2),
436 aCoords (3 * aNextIdx + 3));
7fd59977 437 }
7fd59977 438 }
37ac4a67 439
440 IsPolyG = Standard_True;
441 }
442 else if (aType == MeshVS_ET_Link)
443 {
444 for (Standard_Integer aNodeIdx = 0; aNodeIdx < NbNodes - 1; ++aNodeIdx)
7fd59977 445 {
37ac4a67 446 const Standard_Integer aNextIdx = aNodeIdx + 1;
447
448 aLinkSegments->AddVertex (aCoords (3 * aNodeIdx + 1),
449 aCoords (3 * aNodeIdx + 2),
450 aCoords (3 * aNodeIdx + 3));
451
452 aLinkSegments->AddVertex (aCoords (3 * aNextIdx + 1),
453 aCoords (3 * aNextIdx + 2),
454 aCoords (3 * aNextIdx + 3));
455
7fd59977 456 IsPolyL = Standard_True;
457 }
37ac4a67 458 }
7fd59977 459 }
460 }
461
37ac4a67 462 if (IsPolyG)
7fd59977 463 {
37ac4a67 464 aGGroup->SetPrimitivesAspect (aFillAspect);
465 aGGroup->AddPrimitiveArray (aFaceTriangles);
cde2e2f0 466 aGGroup->SetClosed (toSupressBackFaces == Standard_True);
37ac4a67 467
468 if (anEdgeOn)
469 {
37ac4a67 470 aSGroup->AddPrimitiveArray (anEdgeSegments);
37ac4a67 471 }
7fd59977 472 }
37ac4a67 473 if (IsPolyL)
7fd59977 474 {
37ac4a67 475 aLGroup->SetPrimitivesAspect (aFillAspect);
476 aLGroup->SetPrimitivesAspect (aLinkAspect);
477 aLGroup->AddPrimitiveArray (aLinkSegments);
7fd59977 478 }
479
37ac4a67 480 if (!aCustomElements.IsEmpty())
481 CustomBuild(Prs, aCustomElements, IDsToExclude, DisplayMode);
7fd59977 482 }
483
484 Graphic3d_MaterialAspect aMaterial2[2];
37ac4a67 485 for (Standard_Integer i = 0; i < 2; i++)
7fd59977 486 {
487 // OCC20644 "plastic" is most suitable here, as it is "non-physic"
488 // so TelUpdateMaterial() from OpenGl_attri.c uses the interior
489 // color from AspectFillArea3d to calculate all material colors
490 aMaterial2[i] = Graphic3d_MaterialAspect ( Graphic3d_NOM_PLASTIC );
491
492 if ( !IsReflect )
493 {
494 // OCC21720 Cannot turn ALL material components off, as such a material
495 // would be ignored by TelUpdateMaterial(), but we need it in order
496 // to have different materials for front and back sides!
497 // Instead, trying to make material color "nondirectional" with
498 // only ambient component on.
499 aMaterial2[i].SetReflectionModeOn ( Graphic3d_TOR_AMBIENT );
500 aMaterial2[i].SetReflectionModeOff( Graphic3d_TOR_DIFFUSE );
501 aMaterial2[i].SetReflectionModeOff( Graphic3d_TOR_SPECULAR );
502 aMaterial2[i].SetReflectionModeOff( Graphic3d_TOR_EMISSION );
503 aMaterial2[i].SetAmbient ( 1. );
504 aMaterial2[i].SetDiffuse ( 0. );
505 aMaterial2[i].SetSpecular( 0. );
506 aMaterial2[i].SetEmissive( 0. );
507 }
508 else
509 {
510 // OCC20644 This stuff is important in order for elemental and nodal colors
511 // to produce similar visual impression and also to make colors match
512 // those in the color scale most exactly (the sum of all reflection
513 // coefficients is equal to 1). See also MeshVS_NodalColorPrsBuilder
514 // class for more explanations.
515 aMaterial2[i].SetAmbient( .5 );
516 aMaterial2[i].SetDiffuse( .5 );
517 aMaterial2[i].SetSpecular( 0. );
518 aMaterial2[i].SetEmissive( 0. );
519 }
520 }
521
522 // Draw faces with two color
3e05329c 523 if (!aTwoColorsOfElements.IsEmpty())
524 {
525 Handle(Graphic3d_AspectFillArea3d) aGroupFillAspect2 = new Graphic3d_AspectFillArea3d (Aspect_IS_SOLID, anInteriorColor, anEdgeColor,
526 anEdgeType, anEdgeWidth, aMaterial2[0], aMaterial2[1]);
527 aGroup2->SetClosed (Standard_False); // ignore toSupressBackFaces
528 aGroup2->SetGroupPrimitivesAspect (aGroupFillAspect2);
529 }
7fd59977 530 for ( MeshVS_DataMapIteratorOfDataMapOfTwoColorsMapOfInteger aColIter2 ( aTwoColorsOfElements );
531 aColIter2.More(); aColIter2.Next() )
532 {
3e05329c 533 if (aColIter2.Value().IsEmpty())
534 {
7fd59977 535 continue;
3e05329c 536 }
7fd59977 537
37ac4a67 538 Standard_Integer aNbFacePrimitives = 0;
539 Standard_Integer aNbEdgePrimitives = 0;
540
541 for (it.Reset(); it.More(); it.Next())
542 {
543 Standard_Integer aNbNodes = 0;
544
545 if (!aColIter2.Value().Contains (it.Key()))
546 continue;
547
548 if (!aSource->GetGeom (it.Key(), Standard_True, aCoords, aNbNodes, aType))
549 continue;
550
551 if ( aType == MeshVS_ET_Face && aNbNodes > 0 )
552 {
553 if (anEdgeOn)
554 {
555 aNbEdgePrimitives += aNbNodes; // add edge segments
556 }
557
558 aNbFacePrimitives += aNbNodes - 2; // add face triangles
559 }
560 }
561
562 Handle (Graphic3d_ArrayOfTriangles) aFaceTriangles = new Graphic3d_ArrayOfTriangles
563 (aNbFacePrimitives * 3, 0, IsReflect);
564
565 Handle (Graphic3d_ArrayOfSegments) anEdgeSegments = new Graphic3d_ArrayOfSegments
566 (aNbEdgePrimitives * 2);
7fd59977 567
568 MeshVS_TwoColors aTC = aColIter2.Key();
569 Quantity_Color aMyIntColor, aMyBackColor;
570 ExtractColors ( aTC, aMyIntColor, aMyBackColor );
571
572 // OCC20644 NOTE: aMyIntColor color is then scaled by TelUpdateMaterial() in OpenGl_attri.c
573 // using the material reflection coefficients. This affects the visual result.
574 Handle(Graphic3d_AspectFillArea3d) anAsp =
575 new Graphic3d_AspectFillArea3d ( Aspect_IS_SOLID, aMyIntColor, anEdgeColor,
576 anEdgeType, anEdgeWidth, aMaterial2[0], aMaterial2[1] );
577 anAsp->SetDistinguishOn ();
578 anAsp->SetInteriorColor ( aMyIntColor );
579 anAsp->SetBackInteriorColor ( aMyBackColor );
37ac4a67 580 /*if (anEdgeOn)
7fd59977 581 anAsp->SetEdgeOn();
582 else
37ac4a67 583 anAsp->SetEdgeOff();*/
3e05329c 584 aGroup2->SetPrimitivesAspect (anAsp);
7fd59977 585
586 for( it.Reset(); it.More(); it.Next() )
587 {
588 Standard_Integer aKey = it.Key();
589 if( aColIter2.Value().Contains( aKey ) )
590 {
591 if ( !aSource->GetGeom ( aKey, Standard_True, aCoords, NbNodes, aType ) )
592 continue;
593
594 if( IsExcludingOn() )
595 IDsToExclude.Add( aKey );
596
37ac4a67 597 if (aType == MeshVS_ET_Face && NbNodes > 0)
7fd59977 598 {
599 // Preparing normal(s) to show reflections if requested
600 Handle(TColStd_HArray1OfReal) aNormals;
601 // OCC21720 Always passing normals to OpenGL to make materials work
602 // For OpenGL: "No normals" -> "No lighting" -> "no materials taken into account"
37ac4a67 603 Standard_Boolean aHasNormals = /*IsReflect &&*/
604 aSource->GetNormalsByElement (aKey, IsMeshSmoothShading, aMaxFaceNodes, aNormals);
7fd59977 605
37ac4a67 606 for (Standard_Integer aNodeIdx = 0; aNodeIdx < NbNodes - 2; ++aNodeIdx)
607 {
608 for (Standard_Integer anIdx = 0; anIdx < 3; ++anIdx)
609 {
610 if (IsReflect)
611 {
612 aFaceTriangles->AddVertex (aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 1),
613 aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 2),
614 aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 3),
615 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 1) : 0.0,
616 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 2) : 0.0,
617 aHasNormals ? aNormals->Value (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 3) : 1.0);
618 }
619 else
620 {
621 aFaceTriangles->AddVertex (aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 1),
622 aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 2),
623 aCoords (3 * (anIdx == 0 ? 0 : aNodeIdx + anIdx) + 3));
624 }
625 }
626 }
7fd59977 627
37ac4a67 628 if (anEdgeOn)
7fd59977 629 {
37ac4a67 630 for (Standard_Integer aNodeIdx = 0; aNodeIdx < NbNodes; ++aNodeIdx)
7fd59977 631 {
37ac4a67 632 const Standard_Integer aNextIdx = (aNodeIdx + 1) % NbNodes;
633
634 anEdgeSegments->AddVertex (aCoords (3 * aNodeIdx + 1),
635 aCoords (3 * aNodeIdx + 2),
636 aCoords (3 * aNodeIdx + 3));
637
638 anEdgeSegments->AddVertex (aCoords (3 * aNextIdx + 1),
639 aCoords (3 * aNextIdx + 2),
640 aCoords (3 * aNextIdx + 3));
7fd59977 641 }
7fd59977 642 }
7fd59977 643 }
644 }
645 }
37ac4a67 646
647 aGroup2->AddPrimitiveArray (aFaceTriangles);
3e05329c 648 aSGroup->AddPrimitiveArray (anEdgeSegments);
7fd59977 649 }
650}
651
652//================================================================
653// Function : SetColors
654// Purpose :
655//================================================================
656void MeshVS_ElementalColorPrsBuilder::SetColors1 ( const MeshVS_DataMapOfIntegerColor& theColorMap )
657{
658 myElemColorMap1 = theColorMap;
659}
660
661//================================================================
662// Function : GetColors
663// Purpose :
664//================================================================
665const MeshVS_DataMapOfIntegerColor& MeshVS_ElementalColorPrsBuilder::GetColors1 () const
666{
667 return myElemColorMap1;
668}
669
670//================================================================
671// Function : HasColors1
672// Purpose :
673//================================================================
674Standard_Boolean MeshVS_ElementalColorPrsBuilder::HasColors1 () const
675{
676 return ( myElemColorMap1.Extent() >0 );
677}
678
679//================================================================
680// Function : GetColor1
681// Purpose :
682//================================================================
683Standard_Boolean MeshVS_ElementalColorPrsBuilder::GetColor1 ( const Standard_Integer ID,
684 Quantity_Color& theColor ) const
685{
686 Standard_Boolean aRes = myElemColorMap1.IsBound ( ID );
687 if ( aRes )
688 theColor = myElemColorMap1.Find ( ID );
689
690 return aRes;
691}
692
693//================================================================
694// Function : SetColor1
695// Purpose :
696//================================================================
697void MeshVS_ElementalColorPrsBuilder::SetColor1 ( const Standard_Integer theID,
698 const Quantity_Color& theCol )
699{
700 Standard_Boolean aRes = myElemColorMap1.IsBound ( theID );
701 if ( aRes )
702 myElemColorMap1.ChangeFind ( theID ) = theCol;
703 else
704 myElemColorMap1.Bind ( theID, theCol );
705}
706
707//================================================================
708// Function : SetColors2
709// Purpose :
710//================================================================
711void MeshVS_ElementalColorPrsBuilder::SetColors2 ( const MeshVS_DataMapOfIntegerTwoColors& theColorMap )
712{
713 myElemColorMap2 = theColorMap;
714}
715
716//================================================================
717// Function : GetColors2
718// Purpose :
719//================================================================
720const MeshVS_DataMapOfIntegerTwoColors& MeshVS_ElementalColorPrsBuilder::GetColors2 () const
721{
722 return myElemColorMap2;
723}
724
725//================================================================
726// Function : HasColors2
727// Purpose :
728//================================================================
729Standard_Boolean MeshVS_ElementalColorPrsBuilder::HasColors2 () const
730{
731 return (myElemColorMap2.Extent()>0);
732}
733
734//================================================================
735// Function : GetColor2
736// Purpose :
737//================================================================
738Standard_Boolean MeshVS_ElementalColorPrsBuilder::GetColor2 ( const Standard_Integer ID,
739 MeshVS_TwoColors& theColor ) const
740{
741 Standard_Boolean aRes = myElemColorMap2.IsBound ( ID );
742 if ( aRes )
743 theColor = myElemColorMap2.Find ( ID );
744
745 return aRes;
746}
747
748//================================================================
749// Function : GetColor2
750// Purpose :
751//================================================================
752Standard_Boolean MeshVS_ElementalColorPrsBuilder::GetColor2 ( const Standard_Integer ID,
753 Quantity_Color& theColor1,
754 Quantity_Color& theColor2 ) const
755{
756 MeshVS_TwoColors aTC;
757 Standard_Boolean aRes = GetColor2 ( ID, aTC );
758 if ( aRes)
759 ExtractColors ( aTC, theColor1, theColor2 );
760 return aRes;
761}
762
763//================================================================
764// Function : SetColor2
765// Purpose :
766//================================================================
767void MeshVS_ElementalColorPrsBuilder::SetColor2 ( const Standard_Integer theID,
768 const Quantity_Color& theCol1,
769 const Quantity_Color& theCol2 )
770{
771 SetColor2 ( theID, BindTwoColors ( theCol1, theCol2 ) );
772}
773
774//================================================================
775// Function : SetColor2
776// Purpose :
777//================================================================
778void MeshVS_ElementalColorPrsBuilder::SetColor2 ( const Standard_Integer theID,
779 const MeshVS_TwoColors& theCol )
780{
781 Standard_Boolean aRes = myElemColorMap2.IsBound ( theID );
782 if ( aRes )
783 myElemColorMap2.ChangeFind ( theID ) = theCol;
784 else
785 myElemColorMap2.Bind ( theID, theCol );
786}