7fd59977 |
1 | // File: MeshVS_MeshPrsBuilder.cxx |
2 | // Created: Tue Sep 16 2003 |
3 | // Author: Alexander SOLOVYOV |
4 | // Copyright: Open CASCADE 2003 |
5 | |
6 | #include <MeshVS_MeshPrsBuilder.ixx> |
7 | |
8 | #include <Prs3d_Root.hxx> |
9 | #include <Prs3d_ShadingAspect.hxx> |
10 | #include <Prs3d_LineAspect.hxx> |
11 | #include <Prs3d_PointAspect.hxx> |
12 | |
13 | #include <Graphic3d_AspectLine3d.hxx> |
14 | #include <Graphic3d_AspectFillArea3d.hxx> |
15 | #include <Graphic3d_AspectMarker3d.hxx> |
16 | #include <Graphic3d_ArrayOfPolygons.hxx> |
17 | #include <Graphic3d_ArrayOfPolylines.hxx> |
18 | #include <Graphic3d_Array1OfVertex.hxx> |
19 | #include <Graphic3d_Group.hxx> |
20 | |
21 | #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx> |
22 | #include <TColStd_ListIteratorOfListOfReal.hxx> |
23 | #include <TColStd_MapIntegerHasher.hxx> |
24 | #include <TColStd_Array1OfReal.hxx> |
25 | #include <TColStd_Array1OfInteger.hxx> |
26 | #include <TColStd_SequenceOfInteger.hxx> |
27 | #include <TColStd_PackedMapOfInteger.hxx> |
28 | #include <TColStd_HPackedMapOfInteger.hxx> |
29 | |
30 | #include <Quantity_NameOfColor.hxx> |
31 | #include <Aspect_InteriorStyle.hxx> |
32 | #include <Select3D_SensitivePoint.hxx> |
33 | |
34 | #include <MeshVS_DataSource.hxx> |
35 | #include <MeshVS_Drawer.hxx> |
36 | #include <MeshVS_Mesh.hxx> |
37 | #include <MeshVS_Tool.hxx> |
38 | #include <MeshVS_DrawerAttribute.hxx> |
39 | #include <MeshVS_MapOfTwoNodes.hxx> |
40 | #include <MeshVS_Buffer.hxx> |
41 | |
42 | //================================================================ |
43 | // Function : Constructor MeshVS_MeshPrsBuilder |
44 | // Purpose : |
45 | //================================================================ |
46 | MeshVS_MeshPrsBuilder::MeshVS_MeshPrsBuilder ( const Handle(MeshVS_Mesh)& Parent, |
47 | const Standard_Integer& DisplayModeMask, |
48 | const Handle (MeshVS_DataSource)& DS, |
49 | const Standard_Integer Id, |
50 | const MeshVS_BuilderPriority& Priority ) |
51 | : MeshVS_PrsBuilder ( Parent, DisplayModeMask, DS, Id, Priority ) |
52 | { |
53 | } |
54 | |
55 | //================================================================ |
56 | // Function : Build |
57 | // Purpose : |
58 | //================================================================ |
59 | void MeshVS_MeshPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs, |
60 | const TColStd_PackedMapOfInteger& IDs, |
61 | TColStd_PackedMapOfInteger& IDsToExclude, |
62 | const Standard_Boolean IsElement, |
63 | const Standard_Integer DisplayMode ) const |
64 | { |
65 | if ( DisplayMode <= 0 ) |
66 | return; |
67 | |
68 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
69 | Standard_Integer Extent = IDs.Extent(); |
70 | |
71 | if ( HasHilightFlag && Extent == 1) |
72 | BuildHilightPrs ( Prs, IDs, IsElement ); |
73 | else if ( IsElement ) |
74 | BuildElements ( Prs, IDs, IDsToExclude, DisplayMode ); |
75 | else |
76 | BuildNodes ( Prs, IDs, IDsToExclude, DisplayMode ); |
77 | } |
78 | |
79 | //================================================================ |
80 | // Function : BuildNodes |
81 | // Purpose : |
82 | //================================================================ |
83 | void MeshVS_MeshPrsBuilder::BuildNodes ( const Handle(Prs3d_Presentation)& Prs, |
84 | const TColStd_PackedMapOfInteger& IDs, |
85 | TColStd_PackedMapOfInteger& IDsToExclude, |
86 | const Standard_Integer DisplayMode ) const |
87 | { |
88 | Handle( MeshVS_DataSource ) aSource = GetDataSource(); |
89 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
90 | Handle (Graphic3d_AspectMarker3d) aNodeMark = |
91 | MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
92 | if ( aSource.IsNull() || aDrawer.IsNull() || aNodeMark.IsNull() ) |
93 | return; |
94 | |
95 | Standard_Boolean DisplayFreeNodes = Standard_True; |
96 | aDrawer->GetBoolean( MeshVS_DA_DisplayNodes, DisplayFreeNodes ); |
97 | Standard_Boolean HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ); |
98 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
99 | |
100 | Standard_Real aCoordsBuf[ 3 ]; |
101 | TColStd_Array1OfReal aCoords( *aCoordsBuf, 1, 3 ); |
102 | Standard_Integer NbNodes; |
103 | MeshVS_EntityType aType; |
104 | |
105 | if ( !DisplayFreeNodes ) |
106 | return; |
107 | |
108 | TColStd_PackedMapOfInteger anIDs; |
109 | anIDs.Assign( IDs ); |
110 | if ( !HasSelectFlag && !HasHilightFlag ) |
111 | { |
112 | // subtract the hidden nodes and ids to exclude (to minimise allocated memory) |
113 | Handle(TColStd_HPackedMapOfInteger) aHiddenNodes = myParentMesh->GetHiddenNodes(); |
114 | if ( !aHiddenNodes.IsNull() ) |
115 | anIDs.Subtract( aHiddenNodes->Map() ); |
116 | } |
117 | anIDs.Subtract( IDsToExclude ); |
118 | |
119 | Standard_Integer upper = anIDs.Extent(); |
120 | if ( upper<=0 ) |
121 | return; |
122 | |
123 | Graphic3d_Array1OfVertex aNodePoints ( 1, upper ); |
124 | Standard_Integer k=0; |
125 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
126 | for( ; it.More(); it.Next() ) |
127 | { |
128 | Standard_Integer aKey = it.Key(); |
129 | if ( aSource->GetGeom ( aKey, Standard_False, aCoords, NbNodes, aType ) ) |
130 | { |
131 | if ( IsExcludingOn() ) |
132 | IDsToExclude.Add (aKey); |
133 | k++; |
134 | aNodePoints.SetValue ( k, Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ) ); |
135 | } |
136 | } |
137 | |
138 | if ( k>0 ) |
139 | { |
140 | Prs3d_Root::NewGroup ( Prs ); |
141 | Handle (Graphic3d_Group) aNodeGroup = Prs3d_Root::CurrentGroup ( Prs ); |
142 | aNodeGroup->SetPrimitivesAspect ( aNodeMark ); |
143 | |
144 | aNodeGroup->BeginPrimitives(); |
145 | aNodeGroup->MarkerSet ( aNodePoints ); |
146 | aNodeGroup->EndPrimitives(); |
147 | } |
148 | } |
149 | |
150 | //================================================================ |
151 | // Function : BuildElements |
152 | // Purpose : |
153 | //================================================================ |
154 | void MeshVS_MeshPrsBuilder::BuildElements( const Handle(Prs3d_Presentation)& Prs, |
155 | const TColStd_PackedMapOfInteger& IDs, |
156 | TColStd_PackedMapOfInteger& IDsToExclude, |
157 | const Standard_Integer DisplayMode ) const |
158 | { |
159 | Standard_Integer maxnodes; |
160 | |
161 | Handle (MeshVS_DataSource) aSource = GetDataSource(); |
162 | if ( aSource.IsNull() ) |
163 | return; |
164 | |
165 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
166 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
167 | maxnodes <= 0 ) |
168 | return; |
169 | |
170 | //----------- extract useful display mode flags ---------- |
171 | Standard_Integer aDispMode = ( DisplayMode & GetFlags() ); |
172 | if ( ( aDispMode & MeshVS_DMF_DeformedMask) != 0 ) |
173 | { |
174 | aDispMode /= MeshVS_DMF_DeformedPrsWireFrame; |
175 | // This transformation turns deformed mesh flags to real display modes |
176 | } |
177 | aDispMode &= MeshVS_DMF_OCCMask; |
178 | //-------------------------------------------------------- |
179 | |
180 | Standard_Real aShrinkCoef; |
181 | aDrawer->GetDouble ( MeshVS_DA_ShrinkCoeff, aShrinkCoef ); |
182 | |
183 | Standard_Boolean IsWireFrame = ( aDispMode==MeshVS_DMF_WireFrame ), |
184 | IsShading = ( aDispMode==MeshVS_DMF_Shading ), |
185 | IsShrink = ( aDispMode==MeshVS_DMF_Shrink ), |
186 | HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ), |
187 | HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ), |
188 | IsMeshReflect, IsMeshAllowOverlap, IsReflect, IsMeshSmoothShading = Standard_False; |
189 | |
190 | aDrawer->GetBoolean ( MeshVS_DA_Reflection, IsMeshReflect ); |
191 | aDrawer->GetBoolean ( MeshVS_DA_IsAllowOverlapped, IsMeshAllowOverlap ); |
192 | IsReflect = ( IsMeshReflect && !HasHilightFlag ); |
193 | aDrawer->GetBoolean ( MeshVS_DA_SmoothShading, IsMeshSmoothShading ); |
194 | |
195 | // display mode for hilighted prs of groups |
196 | IsShrink = ( IsShrink && !HasHilightFlag ); |
197 | IsShading = ( IsShading || HasHilightFlag ); |
198 | |
199 | //---------- Creating AspectFillArea3d and AspectLine3d ------------- |
200 | Graphic3d_MaterialAspect AMat; |
201 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
202 | if ( !IsReflect ) |
203 | { |
204 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
205 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
206 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
207 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
208 | } |
209 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
210 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d ( GetDrawer() ); |
211 | //------------------------------------------------------------------- |
212 | |
213 | Standard_Boolean IsOverlapControl = |
214 | !IsMeshAllowOverlap && ( IsWireFrame || IsShading ) && !HasSelectFlag; |
215 | |
216 | Handle (Graphic3d_ArrayOfPolygons) aPolygons, aVolumes; |
217 | Handle (Graphic3d_ArrayOfPolylines) aPolylines, aLinkPolylines; |
218 | |
219 | Standard_Integer PolygonVerticesFor3D = 0, PolygonBoundsFor3D = 0, |
220 | PolylineVerticesFor3D = 0, PolylineBoundsFor3D = 0, |
221 | NbNodes; |
222 | |
223 | // subtract the hidden elements and ids to exclude (to minimise allocated memory) |
224 | TColStd_PackedMapOfInteger anIDs; |
225 | anIDs.Assign( IDs ); |
226 | Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems(); |
227 | if ( !aHiddenElems.IsNull() ) |
228 | anIDs.Subtract( aHiddenElems->Map() ); |
229 | anIDs.Subtract( IDsToExclude ); |
230 | |
231 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
232 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
233 | for( ; it.More(); it.Next() ) |
234 | { |
235 | Standard_Integer aKey = it.Key(); |
236 | if( aSource->Get3DGeom( aKey, NbNodes, aTopo ) ) |
237 | { |
238 | if( !HasSelectFlag ) |
239 | HowManyPrimitives( aTopo, Standard_True, HasSelectFlag, NbNodes, |
240 | PolygonVerticesFor3D, PolygonBoundsFor3D ); |
241 | HowManyPrimitives( aTopo, Standard_False, HasSelectFlag, NbNodes, |
242 | PolylineVerticesFor3D, PolylineBoundsFor3D ); |
243 | } |
244 | } |
245 | |
246 | Standard_Integer Extent = anIDs.Extent(); |
247 | |
248 | if ( IsReflect ) |
249 | { |
250 | aPolygons = new Graphic3d_ArrayOfPolygons |
251 | ( maxnodes*Extent, Extent, 0, Standard_True ); |
252 | aVolumes = new Graphic3d_ArrayOfPolygons |
253 | ( PolygonVerticesFor3D, PolygonBoundsFor3D, 0, Standard_True ); |
254 | } |
255 | else |
256 | { |
257 | aPolygons = new Graphic3d_ArrayOfPolygons( maxnodes*Extent, Extent ); |
258 | aVolumes = new Graphic3d_ArrayOfPolygons ( PolygonVerticesFor3D, PolygonBoundsFor3D ); |
259 | } |
260 | |
261 | Standard_Integer howMany = 1; |
262 | if ( IsOverlapControl ) |
263 | howMany = 2; |
264 | |
265 | Standard_Boolean showEdges = Standard_True; |
266 | aDrawer->GetBoolean( MeshVS_DA_ShowEdges, showEdges ); |
267 | |
268 | showEdges = IsWireFrame || showEdges; |
269 | if ( showEdges ) |
270 | { |
271 | aPolylines = new Graphic3d_ArrayOfPolylines ( ( maxnodes+1 )*Extent + PolylineVerticesFor3D, |
272 | howMany * Extent + PolylineBoundsFor3D ); |
273 | aLinkPolylines = new Graphic3d_ArrayOfPolylines ( 2*Extent, Extent ); |
274 | } |
275 | |
276 | MeshVS_Buffer aCoordsBuf (3*maxnodes*sizeof(Standard_Real)); |
277 | TColStd_Array1OfReal aCoords( aCoordsBuf, 1, 3*maxnodes ); |
278 | MeshVS_EntityType aType; |
279 | |
280 | TColStd_PackedMapOfInteger aCustomElements; |
281 | |
282 | Quantity_Color anOldEdgeColor; |
283 | Aspect_InteriorStyle anIntType; |
284 | Quantity_Color anIntColor, anEdgeColor; |
285 | Aspect_TypeOfLine aLine; |
286 | Standard_Real aWidth; |
287 | |
288 | MeshVS_TwoNodes aTwoNodes; |
289 | aFill->Values ( anIntType, anIntColor, anEdgeColor, aLine, aWidth ); |
290 | |
291 | MeshVS_MapOfTwoNodes aLinkNodes; |
292 | if ( showEdges && IsOverlapControl ) |
293 | // Forbid drawings of edges, which overlap with some links |
294 | for( it.Reset(); it.More(); it.Next() ) |
295 | { |
296 | Standard_Integer aKey = it.Key(); |
297 | if ( aSource->GetGeomType ( aKey, Standard_True, aType ) && |
298 | aType == MeshVS_ET_Link ) |
299 | { |
300 | MeshVS_Buffer aNodesBuf (maxnodes * sizeof(Standard_Integer)); |
301 | TColStd_Array1OfInteger aNodes (aNodesBuf, 1, maxnodes); |
302 | Standard_Integer nbNodes; |
303 | if ( aSource->GetNodesByElement( aKey, aNodes, nbNodes ) && |
304 | nbNodes == 2 ) |
305 | { |
306 | aTwoNodes.First = aNodes(1); |
307 | aTwoNodes.Second = aNodes(2); |
308 | aLinkNodes.Add ( aTwoNodes ); |
309 | } |
310 | } |
311 | } |
312 | |
313 | for( it.Reset(); it.More(); it.Next() ) |
314 | { |
315 | Standard_Integer aKey = it.Key(); |
316 | |
317 | if ( ! aSource->GetGeom ( aKey, Standard_True, aCoords, NbNodes, aType ) ) |
318 | continue; |
319 | |
320 | switch ( aType ) |
321 | { |
322 | case MeshVS_ET_Volume : |
323 | if( IsExcludingOn() ) |
324 | IDsToExclude.Add (aKey); |
325 | if( aSource->Get3DGeom( aKey, NbNodes, aTopo ) ) |
326 | { |
327 | // !!! TO DO: Overlap control |
328 | // add wireframe presentation (draw edges for shading mode as well) |
329 | if ( showEdges ) |
330 | AddVolumePrs ( aTopo, aCoords, NbNodes, aPolylines, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
331 | |
332 | // add shading presentation |
333 | if ( ( IsShading || IsShrink ) && !HasSelectFlag ) |
334 | AddVolumePrs ( aTopo, aCoords, NbNodes, aVolumes, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
335 | |
336 | /* |
337 | Handle( Graphic3d_ArrayOfPrimitives ) anArr = aVolumes; |
338 | if( IsWireFrame || HasSelectFlag ) |
339 | anArr = aPolylines; |
340 | |
341 | AddVolumePrs ( aTopo, aCoords, NbNodes, anArr, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
342 | */ |
343 | } |
344 | break; |
345 | |
346 | case MeshVS_ET_Link : |
347 | if( IsExcludingOn() ) |
348 | IDsToExclude.Add (aKey); |
349 | if ( showEdges ) |
350 | AddLinkPrs ( aCoords, aLinkPolylines, IsShrink || HasSelectFlag, aShrinkCoef ); |
351 | break; |
352 | |
353 | case MeshVS_ET_Face : |
354 | if( IsExcludingOn() ) |
355 | IDsToExclude.Add (aKey); |
356 | if ( showEdges && IsOverlapControl ) |
357 | { |
358 | MeshVS_Buffer aNodesBuf (NbNodes * sizeof(Standard_Integer)); |
359 | TColStd_Array1OfInteger aNodes (aNodesBuf, 1, NbNodes); |
360 | if ( !aSource->GetNodesByElement( aKey, aNodes, NbNodes ) ) |
361 | continue; |
362 | |
363 | Standard_Integer Last = 0; |
364 | for ( Standard_Integer i=1; i<=NbNodes; i++ ) |
365 | { |
366 | if ( i==1 ) |
367 | aTwoNodes.First = aNodes(i); |
368 | else |
369 | aTwoNodes.First = aTwoNodes.Second; |
370 | |
371 | aTwoNodes.Second = ( i<NbNodes ? aNodes(i+1) : aNodes(1) ); |
372 | if ( aLinkNodes.Contains ( aTwoNodes ) ) |
373 | { |
374 | aPolylines->AddBound ( i-Last ); |
375 | for (Standard_Integer j = Last+1; j<=i; j++) |
376 | aPolylines->AddVertex ( aCoords(3*j-2), aCoords(3*j-1), aCoords(3*j) ); |
377 | Last = i; |
378 | } |
379 | } |
380 | if ( NbNodes-Last > 0 ) |
381 | { |
382 | aPolylines->AddBound ( NbNodes-Last+1 ); |
383 | for (Standard_Integer j = Last+1; j<=NbNodes; j++) |
384 | aPolylines->AddVertex ( aCoords(3*j-2), aCoords(3*j-1), aCoords(3*j) ); |
385 | |
386 | aPolylines->AddVertex ( aCoords(1), aCoords(2), aCoords(3) ); |
387 | } |
388 | } |
389 | |
390 | if ( !IsOverlapControl || IsShading ) |
391 | { |
392 | if ( !IsOverlapControl && showEdges ) |
393 | AddFaceWirePrs(aCoords, NbNodes, aPolylines, |
394 | IsShrink || HasSelectFlag, aShrinkCoef ); |
395 | if ( ( IsShading || IsShrink ) && !HasSelectFlag ) |
396 | AddFaceSolidPrs(aKey, aCoords, NbNodes, maxnodes, aPolygons, |
397 | IsReflect, IsShrink || HasSelectFlag, |
398 | aShrinkCoef, IsMeshSmoothShading ); |
399 | } |
400 | break; |
401 | |
402 | default: |
403 | aCustomElements.Add( aKey ); |
404 | break; |
405 | } |
406 | } |
407 | |
408 | if ( IsShrink ) |
409 | { |
410 | anOldEdgeColor = anEdgeColor; |
411 | aFill->SetEdgeColor ( Quantity_NOC_BLACK ); |
412 | } |
413 | |
414 | DrawArrays ( Prs, aPolygons, aPolylines, aLinkPolylines, aVolumes, |
415 | !showEdges, HasSelectFlag, aFill, aBeam ); |
416 | |
417 | if ( !aCustomElements.IsEmpty() ) |
418 | CustomBuild ( Prs, aCustomElements, IDsToExclude, DisplayMode ); |
419 | |
420 | if( IsShrink ) |
421 | aFill->SetEdgeColor( anOldEdgeColor ); |
422 | } |
423 | |
424 | //================================================================ |
425 | // Function : BuildHilightPrs |
426 | // Purpose : |
427 | //================================================================ |
428 | void MeshVS_MeshPrsBuilder::BuildHilightPrs ( const Handle(Prs3d_Presentation)& Prs, |
429 | const TColStd_PackedMapOfInteger& IDs, |
430 | const Standard_Boolean IsElement ) const |
431 | { |
432 | Standard_Integer maxnodes; |
433 | |
434 | Handle (MeshVS_DataSource) aSource = GetDataSource(); |
435 | if ( aSource.IsNull() || IDs.IsEmpty() ) |
436 | return; |
437 | |
438 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
439 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
440 | maxnodes <= 0 ) |
441 | return; |
442 | |
443 | MeshVS_Buffer aCoordsBuf (3*maxnodes*sizeof(Standard_Real)); |
444 | TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*maxnodes); |
445 | |
446 | Graphic3d_MaterialAspect AMat; |
447 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
448 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
449 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
450 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
451 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
452 | |
453 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
454 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d( GetDrawer() ); |
455 | Handle( Graphic3d_AspectMarker3d ) aNodeMark = MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
456 | |
457 | // Hilight one element or node |
458 | TColStd_MapIteratorOfPackedMapOfInteger it (IDs); |
459 | Standard_Integer ID = it.Key(), NbNodes; |
460 | MeshVS_EntityType aType; |
461 | |
462 | if ( !aSource->GetGeom ( ID, IsElement, aCoords, NbNodes, aType ) ) |
463 | return; |
464 | |
465 | Prs3d_Root::NewGroup ( Prs ); |
466 | Handle (Graphic3d_Group) aHilightGroup = Prs3d_Root::CurrentGroup ( Prs ); |
467 | |
468 | switch ( aType ) |
469 | { |
470 | case MeshVS_ET_Node : |
471 | { |
472 | aHilightGroup->SetPrimitivesAspect ( aNodeMark ); |
473 | aHilightGroup->Marker ( Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ) ); |
474 | } |
475 | break; |
476 | |
477 | case MeshVS_ET_Link: |
478 | { |
479 | aHilightGroup->SetPrimitivesAspect ( aBeam ); |
480 | aHilightGroup->Polyline ( Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ), |
481 | Graphic3d_Vertex ( aCoords(4), aCoords(5), aCoords(6) ) ); |
482 | } |
483 | break; |
484 | |
485 | case MeshVS_ET_Face: |
486 | if ( NbNodes > 0 ) |
487 | { |
488 | Standard_Real X, Y, Z; |
489 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
490 | Graphic3d_Array1OfVertex aVArr ( 1, NbNodes ); |
491 | |
492 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
493 | { |
494 | X = aCoords(3*k-2); |
495 | Y = aCoords(3*k-1); |
496 | Z = aCoords(3*k); |
497 | aVArr.SetValue ( k, Graphic3d_Vertex ( X, Y, Z ) ); |
498 | } |
499 | aHilightGroup->Polygon ( aVArr ); |
500 | } |
501 | break; |
502 | |
503 | case MeshVS_ET_Volume: |
504 | if( NbNodes > 0 ) |
505 | { |
506 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
507 | |
508 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
509 | |
510 | if( aSource->Get3DGeom( ID, NbNodes, aTopo ) ) |
511 | { |
512 | Standard_Integer low = aTopo->Lower(), up = aTopo->Upper(), i, j, m, ind; |
513 | for( i=low; i<=up; i++ ) |
514 | { |
515 | const TColStd_SequenceOfInteger& aSeq = aTopo->Value( i ); |
516 | m = aSeq.Length(); |
517 | Graphic3d_Array1OfVertex aVArr( 1, m ); |
518 | for( j=1; j<=m; j++ ) |
519 | { |
520 | ind = aSeq.Value( j ); |
521 | aVArr.SetValue( j, Graphic3d_Vertex( aCoords( 3*ind+1 ), |
522 | aCoords( 3*ind+2 ), |
523 | aCoords( 3*ind+3 ) ) ); |
524 | } |
525 | aHilightGroup->Polygon ( aVArr ); |
526 | } |
527 | } |
528 | } |
529 | break; |
530 | |
531 | default: |
532 | { |
533 | TColStd_PackedMapOfInteger tmp; |
534 | CustomBuild ( Prs, IDs, tmp, MeshVS_DMF_HilightPrs ); |
535 | } |
536 | break; |
537 | } |
538 | } |
539 | |
540 | //================================================================ |
541 | // Function : AddLinkPrs |
542 | // Purpose : |
543 | //================================================================ |
544 | void MeshVS_MeshPrsBuilder::AddLinkPrs (const TColStd_Array1OfReal& theCoords, |
545 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
546 | const Standard_Boolean IsShrinked, |
547 | const Standard_Real ShrinkCoef) const |
548 | { |
549 | Standard_Real x1 = theCoords(1); |
550 | Standard_Real y1 = theCoords(2); |
551 | Standard_Real z1 = theCoords(3); |
552 | Standard_Real x2 = theCoords(4); |
553 | Standard_Real y2 = theCoords(5); |
554 | Standard_Real z2 = theCoords(6); |
555 | Standard_Real xG, yG, zG; |
556 | |
557 | if ( IsShrinked ) |
558 | { |
559 | xG = (x1+x2)/2.0; |
560 | yG = (y1+y2)/2.0; |
561 | zG = (z1+z2)/2.0; |
562 | x1 = (x1 - xG) * ShrinkCoef + xG; |
563 | x2 = 2.0*xG - x1; |
564 | y1 = (y1 - yG) * ShrinkCoef + yG; |
565 | y2 = 2.0*yG - y1; |
566 | z1 = (z1 - zG) * ShrinkCoef + zG; |
567 | z2 = 2.0*zG - z1; |
568 | } |
569 | theLines->AddBound ( 2 ); |
570 | theLines->AddVertex ( x1, y1, z1 ); |
571 | theLines->AddVertex ( x2, y2, z2 ); |
572 | } |
573 | |
574 | //================================================================ |
575 | // Function : AddFaceWirePrs |
576 | // Purpose : |
577 | //================================================================ |
578 | void MeshVS_MeshPrsBuilder::AddFaceWirePrs (const TColStd_Array1OfReal& theCoords, |
579 | const Standard_Integer NbNodes, |
580 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
581 | const Standard_Boolean IsShrinked, |
582 | const Standard_Real ShrinkCoef) const |
583 | { |
584 | Standard_Real xG, yG, zG, X, Y, Z, startX=0., startY=0., startZ=0.; |
585 | theLines->AddBound ( NbNodes+1 ); |
586 | if ( IsShrinked ) |
587 | CalculateCenter( theCoords, NbNodes, xG, yG, zG ); |
588 | |
589 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
590 | { |
591 | X = theCoords(3*k-2); |
592 | Y = theCoords(3*k-1); |
593 | Z = theCoords(3*k); |
594 | if ( IsShrinked ) |
595 | { |
596 | X = (X - xG) * ShrinkCoef + xG; |
597 | Y = (Y - yG) * ShrinkCoef + yG; |
598 | Z = (Z - zG) * ShrinkCoef + zG; |
599 | } |
600 | if( k==1 ) |
601 | { |
602 | startX = X; startY = Y; startZ = Z; |
603 | } |
604 | theLines->AddVertex ( X, Y, Z ); |
605 | } |
606 | theLines->AddVertex( startX, startY, startZ ); |
607 | } |
608 | |
609 | //================================================================ |
610 | // Function : AddFaceSolidPrs |
611 | // Purpose : |
612 | //================================================================ |
613 | void MeshVS_MeshPrsBuilder::AddFaceSolidPrs (const Standard_Integer ID, |
614 | const TColStd_Array1OfReal& theCoords, |
615 | const Standard_Integer NbNodes, |
616 | const Standard_Integer MaxNodes, |
617 | const Handle(Graphic3d_ArrayOfPolygons)& thePolygons, |
618 | const Standard_Boolean IsReflected, |
619 | const Standard_Boolean IsShrinked, |
620 | const Standard_Real ShrinkCoef, |
621 | const Standard_Boolean IsMeshSmoothShading) const |
622 | { |
623 | Handle( MeshVS_DataSource ) aDS = myParentMesh->GetDataSource(); |
624 | if ( aDS.IsNull() ) |
625 | return; |
626 | |
627 | Standard_Real xG, yG, zG, X, Y, Z, nx, ny, nz; |
628 | thePolygons->AddBound ( NbNodes ); |
629 | if ( IsShrinked ) |
630 | CalculateCenter( theCoords, NbNodes, xG, yG, zG ); |
631 | |
632 | Standard_Boolean allNormals = Standard_True; |
633 | Standard_Integer k; |
634 | |
635 | if( IsReflected ) |
636 | { |
637 | if( IsMeshSmoothShading ) |
638 | for( k=1; k<=NbNodes && allNormals; k++ ) |
639 | allNormals = aDS->GetNodeNormal (k, ID, nx, ny, nz); |
640 | if( !IsMeshSmoothShading || !allNormals ) |
641 | aDS->GetNormal( ID, MaxNodes, nx, ny, nz ); |
642 | } |
643 | |
644 | for ( k=1; k<=NbNodes; k++) |
645 | { |
646 | X = theCoords(3*k-2); |
647 | Y = theCoords(3*k-1); |
648 | Z = theCoords(3*k); |
649 | if ( IsShrinked ) |
650 | { |
651 | X = (X - xG) * ShrinkCoef + xG; |
652 | Y = (Y - yG) * ShrinkCoef + yG; |
653 | Z = (Z - zG) * ShrinkCoef + zG; |
654 | } |
655 | |
656 | if ( IsReflected ) |
657 | { |
658 | if( IsMeshSmoothShading && allNormals ) |
659 | aDS->GetNodeNormal (k, ID, nx, ny, nz); |
660 | thePolygons->AddVertex ( X, Y, Z, nx, ny, nz ); |
661 | } |
662 | else |
663 | thePolygons->AddVertex ( X, Y, Z ); |
664 | } |
665 | } |
666 | |
667 | //================================================================ |
668 | // Function : AddVolumePrs |
669 | // Purpose : |
670 | //================================================================ |
671 | void MeshVS_MeshPrsBuilder::AddVolumePrs (const Handle( MeshVS_HArray1OfSequenceOfInteger )& Topo, |
672 | const TColStd_Array1OfReal& Nodes, |
673 | const Standard_Integer NbNodes, |
674 | const Handle( Graphic3d_ArrayOfPrimitives )& Array, |
675 | const Standard_Boolean IsReflected, |
676 | const Standard_Boolean IsShrinked, |
677 | const Standard_Boolean IsSelect, |
678 | const Standard_Real ShrinkCoef) |
679 | { |
680 | Standard_Real c[3]; c[0] = c[1] = c[2] = 0.0; |
681 | Standard_Integer low = Nodes.Lower(), n=NbNodes; |
682 | |
683 | if( Topo.IsNull() || Array.IsNull() ) |
684 | return; |
685 | |
686 | if( IsShrinked ) |
687 | { |
688 | for( Standard_Integer i=0; i<3*n; i++ ) |
689 | c[i%3] += Nodes.Value( low + i ); |
690 | |
691 | c[0] /= n; |
692 | c[1] /= n; |
693 | c[2] /= n; |
694 | } |
695 | |
696 | Standard_Boolean IsPolygons = Array->IsKind( STANDARD_TYPE( Graphic3d_ArrayOfPolygons ) ); |
697 | Standard_Real x[2], y[2], z[2]; |
698 | Standard_Integer ind; |
699 | gp_Vec norm; |
700 | |
701 | if( IsPolygons ) |
702 | { |
703 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
704 | { |
705 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
706 | |
707 | Standard_Integer m = aSeq.Length(); |
708 | Array->AddBound( m ); |
709 | |
710 | norm.SetCoord( 0, 0, 0 ); |
711 | if( IsReflected ) |
712 | { |
713 | MeshVS_Buffer PolyNodesBuf (3*m*sizeof(Standard_Real)); |
714 | TColStd_Array1OfReal PolyNodes( PolyNodesBuf, 0, 3*m ); |
715 | PolyNodes.SetValue( 0, m ); |
716 | for( Standard_Integer j=1; j<=m; j++ ) |
717 | { |
718 | ind = aSeq.Value( j ); |
719 | PolyNodes.SetValue( 3*j-2, Nodes.Value( low+3*ind ) ); |
720 | PolyNodes.SetValue( 3*j-1, Nodes.Value( low+3*ind+1 ) ); |
721 | PolyNodes.SetValue( 3*j, Nodes.Value( low+3*ind+2 ) ); |
722 | } |
723 | |
724 | // compute normal |
725 | // if( !MeshVS_Tool::GetNormal( PolyNodes, norm ) ) |
726 | // norm.SetCoord( 0, 0, 0 ); |
727 | MeshVS_Tool::GetAverageNormal( PolyNodes, norm ); |
728 | } |
729 | |
730 | Standard_Real nx = norm.X(), ny = norm.Y(), nz = norm.Z(); |
731 | |
732 | |
733 | for( Standard_Integer j=1; j<=m; j++ ) |
734 | { |
735 | ind = aSeq.Value( j ); |
736 | x[0] = Nodes.Value( low + 3*ind ); |
737 | y[0] = Nodes.Value( low + 3*ind+1 ); |
738 | z[0] = Nodes.Value( low + 3*ind+2 ); |
739 | |
740 | if( IsShrinked ) |
741 | { |
742 | x[0] = c[0] + ShrinkCoef * ( x[0]-c[0] ); |
743 | y[0] = c[1] + ShrinkCoef * ( y[0]-c[1] ); |
744 | z[0] = c[2] + ShrinkCoef * ( z[0]-c[2] ); |
745 | } |
746 | |
747 | if( IsReflected ) |
748 | Array->AddVertex( x[0], y[0], z[0], nx, ny, nz ); |
749 | else |
750 | Array->AddVertex( x[0], y[0], z[0] ); |
751 | } |
752 | } |
753 | } |
754 | else if( IsSelect ) |
755 | { |
756 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
757 | { |
758 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
759 | Standard_Real pc[3]; pc[0] = pc[1] = pc[2] = 0; |
760 | Standard_Integer j,m; |
761 | for( j=1, m=aSeq.Length(); j<=m; j++ ) |
762 | { |
763 | ind = aSeq.Value( j ); |
764 | for( Standard_Integer k=0; k<3; k++ ) |
765 | pc[k] += Nodes.Value( low + 3*ind+k ); |
766 | } |
767 | pc[0] /= m; |
768 | pc[1] /= m; |
769 | pc[2] /= m; |
770 | |
771 | Array->AddBound( m+1 ); |
772 | for( j=1, m=aSeq.Length(); j<=m+1; j++ ) |
773 | { |
774 | ind = aSeq.Value( (j-1)%m + 1 ); |
775 | x[0] = Nodes.Value( low + 3*ind ); |
776 | y[0] = Nodes.Value( low + 3*ind+1 ); |
777 | z[0] = Nodes.Value( low + 3*ind+2 ); |
778 | x[0] = pc[0] + ShrinkCoef * ( x[0]-pc[0] ); |
779 | y[0] = pc[1] + ShrinkCoef * ( y[0]-pc[1] ); |
780 | z[0] = pc[2] + ShrinkCoef * ( z[0]-pc[2] ); |
781 | Array->AddVertex( x[0], y[0], z[0] ); |
782 | } |
783 | } |
784 | } |
785 | else |
786 | { |
787 | Standard_Integer F, S=0, k; |
788 | |
789 | // Find all pairs of nodes (edges) to draw; |
790 | // map is used to ensure that each edge will be drawn only once |
791 | TColStd_PackedMapOfInteger aMap; |
792 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
793 | { |
794 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
795 | for( Standard_Integer j=1, m=aSeq.Length(); j<=m; j++ ) |
796 | { |
797 | if( j==1 ) |
798 | F = aSeq.Value( j ); |
799 | else |
800 | F = S; |
801 | |
802 | S = j<m ? aSeq.Value( j+1 ) : aSeq.Value( 1 ); |
803 | |
804 | if( F<S ) |
805 | aMap.Add( F + NbNodes * S ); |
806 | else |
807 | aMap.Add( S + NbNodes * F ); |
808 | } |
809 | } |
810 | |
811 | // draw edges |
812 | TColStd_MapIteratorOfPackedMapOfInteger anIt( aMap ); |
813 | for( ; anIt.More(); anIt.Next() ) |
814 | { |
815 | F = low + 3*(anIt.Key()%NbNodes); |
816 | S = low + 3*(anIt.Key()/NbNodes); |
817 | |
818 | x[0] = Nodes.Value( F ); |
819 | y[0] = Nodes.Value( F+1 ); |
820 | z[0] = Nodes.Value( F+2 ); |
821 | x[1] = Nodes.Value( S ); |
822 | y[1] = Nodes.Value( S+1 ); |
823 | z[1] = Nodes.Value( S+2 ); |
824 | |
825 | if( IsShrinked ) |
826 | for( k=0; k<2; k++ ) |
827 | { |
828 | x[k] = c[0] + ShrinkCoef * ( x[k]-c[0] ); |
829 | y[k] = c[1] + ShrinkCoef * ( y[k]-c[1] ); |
830 | z[k] = c[2] + ShrinkCoef * ( z[k]-c[2] ); |
831 | } |
832 | |
833 | Array->AddBound( 2 ); |
834 | Array->AddVertex( x[0], y[0], z[0] ); |
835 | Array->AddVertex( x[1], y[1], z[1] ); |
836 | } |
837 | } |
838 | } |
839 | |
840 | //================================================================ |
841 | // Function : HowManyPrimitives |
842 | // Purpose : |
843 | //================================================================ |
844 | void MeshVS_MeshPrsBuilder::HowManyPrimitives (const Handle(MeshVS_HArray1OfSequenceOfInteger)& Topo, |
845 | const Standard_Boolean AsPolygons, |
846 | const Standard_Boolean IsSelect, |
847 | const Standard_Integer NbNodes, |
848 | Standard_Integer& Vertices, |
849 | Standard_Integer& Bounds) |
850 | { |
851 | if( !Topo.IsNull() ) |
852 | if( AsPolygons || IsSelect ) |
853 | { |
854 | Standard_Integer B = Topo->Upper()-Topo->Lower()+1; |
855 | Bounds += B; |
856 | for( Standard_Integer i=Topo->Lower(), n=Topo->Upper(); i<=n; i++ ) |
857 | Vertices += Topo->Value( i ).Length(); |
858 | |
859 | if( IsSelect ) |
860 | Vertices+=B; |
861 | } |
862 | else |
863 | { |
864 | Standard_Integer F = Topo->Upper()-Topo->Lower()+1, |
865 | E = NbNodes + F - 2; |
866 | // number of edges is obtained by Euler's expression for polyhedrons |
867 | |
868 | Bounds += E; |
869 | Vertices += 2*E; |
870 | } |
871 | } |
872 | |
873 | //================================================================ |
874 | // Function : DrawArrays |
875 | // Purpose : |
876 | //================================================================ |
877 | void MeshVS_MeshPrsBuilder::DrawArrays( const Handle(Prs3d_Presentation)& Prs, |
878 | const Handle(Graphic3d_ArrayOfPolygons)& thePolygons, |
879 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
880 | const Handle(Graphic3d_ArrayOfPolylines)& theLinkLines, |
881 | const Handle(Graphic3d_ArrayOfPolygons)& theVolumesInShad, |
882 | const Standard_Boolean IsPolygonsEdgesOff, |
883 | const Standard_Boolean IsSelected, |
884 | const Handle(Graphic3d_AspectFillArea3d)& theFillAsp, |
885 | const Handle(Graphic3d_AspectLine3d)& theLineAsp ) const |
886 | { |
887 | if ( theFillAsp.IsNull() ) |
888 | return; |
889 | |
890 | Standard_Boolean IsFacePolygons = ( !thePolygons.IsNull() && thePolygons->ItemNumber() > 0 ), |
891 | IsVolumePolygons = ( !theVolumesInShad.IsNull() && theVolumesInShad->ItemNumber() > 0 ), |
892 | IsPolygons = IsFacePolygons || IsVolumePolygons, |
893 | IsPolylines = ( !theLines.IsNull() && theLines->ItemNumber() > 0 ), |
894 | IsLinkPolylines = ( !theLinkLines.IsNull() && theLinkLines->ItemNumber() > 0 ); |
895 | |
896 | Aspect_InteriorStyle aStyle; |
897 | Quantity_Color anIntColor, aBackColor, anEdgeColor; |
898 | Aspect_TypeOfLine aType; |
899 | Standard_Real aWidth; |
900 | |
901 | theFillAsp->Values( aStyle, anIntColor, aBackColor, anEdgeColor, aType, aWidth ); |
902 | |
903 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()<0.01 ) |
904 | { |
905 | Prs3d_Root::NewGroup ( Prs ); |
906 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
907 | |
908 | //if ( IsPolygonsEdgesOff ) |
909 | theFillAsp->SetEdgeOff (); |
910 | //else |
911 | // theFillAsp->SetEdgeOn (); |
912 | |
913 | if( anIntColor!=aBackColor ) |
914 | theFillAsp->SetDistinguishOn(); |
915 | else |
916 | theFillAsp->SetDistinguishOff(); |
917 | |
918 | if( IsFacePolygons ) |
919 | { |
920 | aGroup->SetPrimitivesAspect ( theFillAsp ); |
921 | aGroup->BeginPrimitives (); |
922 | aGroup->AddPrimitiveArray ( thePolygons ); |
923 | aGroup->EndPrimitives (); |
924 | } |
925 | |
926 | if( IsVolumePolygons ) |
927 | { |
928 | Handle( Graphic3d_AspectFillArea3d ) aCullFillAsp = |
929 | new Graphic3d_AspectFillArea3d( *( theFillAsp.operator->() ) ); |
930 | |
931 | Standard_Boolean isSupressBackFaces = Standard_False; |
932 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
933 | if (!aDrawer.IsNull()) |
934 | aDrawer->GetBoolean ( MeshVS_DA_SupressBackFaces, isSupressBackFaces ); |
935 | |
936 | if (isSupressBackFaces) |
937 | aCullFillAsp->SuppressBackFace(); |
938 | |
939 | aGroup->SetPrimitivesAspect ( aCullFillAsp ); |
940 | aGroup->BeginPrimitives (); |
941 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
942 | aGroup->EndPrimitives (); |
943 | } |
944 | } |
945 | |
946 | if ( IsPolylines && !IsPolygonsEdgesOff ) |
947 | { |
948 | Prs3d_Root::NewGroup ( Prs ); |
949 | Handle (Graphic3d_Group) aLGroup = Prs3d_Root::CurrentGroup ( Prs ); |
950 | |
951 | theFillAsp->SetEdgeOff(); |
952 | if ( IsSelected ) |
953 | aLGroup->SetPrimitivesAspect ( theLineAsp ); |
954 | else |
955 | { |
956 | aLGroup->SetPrimitivesAspect ( theFillAsp ); |
957 | aLGroup->SetPrimitivesAspect ( new Graphic3d_AspectLine3d |
958 | ( anEdgeColor, Aspect_TOL_SOLID, aWidth ) ); |
959 | } |
960 | aLGroup->BeginPrimitives (); |
961 | aLGroup->AddPrimitiveArray ( theLines ); |
962 | aLGroup->EndPrimitives (); |
963 | theFillAsp->SetEdgeOn(); |
964 | } |
965 | |
966 | if ( IsLinkPolylines ) |
967 | { |
968 | Prs3d_Root::NewGroup ( Prs ); |
969 | Handle (Graphic3d_Group) aBeamGroup = Prs3d_Root::CurrentGroup ( Prs ); |
970 | |
971 | theFillAsp->SetEdgeOff(); |
972 | if ( !IsSelected ) |
973 | aBeamGroup->SetPrimitivesAspect ( theFillAsp ); |
974 | aBeamGroup->SetPrimitivesAspect ( theLineAsp ); |
975 | |
976 | aBeamGroup->BeginPrimitives(); |
977 | aBeamGroup->AddPrimitiveArray ( theLinkLines ); |
978 | aBeamGroup->EndPrimitives(); |
979 | theFillAsp->SetEdgeOn(); |
980 | } |
981 | |
982 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()>=0.01 ) |
983 | { |
984 | Prs3d_Root::NewGroup ( Prs ); |
985 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
986 | |
987 | //if ( IsPolygonsEdgesOff ) |
988 | theFillAsp->SetEdgeOff (); |
989 | //else |
990 | // theFillAsp->SetEdgeOn (); |
991 | |
992 | if( anIntColor!=aBackColor ) |
993 | theFillAsp->SetDistinguishOn(); |
994 | else |
995 | theFillAsp->SetDistinguishOff(); |
996 | |
997 | if( IsFacePolygons ) |
998 | { |
999 | aGroup->SetPrimitivesAspect ( theFillAsp ); |
1000 | aGroup->BeginPrimitives (); |
1001 | aGroup->AddPrimitiveArray ( thePolygons ); |
1002 | aGroup->EndPrimitives (); |
1003 | } |
1004 | |
1005 | if( IsVolumePolygons ) |
1006 | { |
1007 | Handle( Graphic3d_AspectFillArea3d ) aCullFillAsp = |
1008 | new Graphic3d_AspectFillArea3d( *( theFillAsp.operator->() ) ); |
1009 | |
1010 | Standard_Boolean isSupressBackFaces = Standard_False; |
1011 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
1012 | if (!aDrawer.IsNull()) |
1013 | aDrawer->GetBoolean ( MeshVS_DA_SupressBackFaces, isSupressBackFaces ); |
1014 | |
1015 | if (isSupressBackFaces) |
1016 | aCullFillAsp->SuppressBackFace(); |
1017 | |
1018 | aGroup->SetPrimitivesAspect ( aCullFillAsp ); |
1019 | aGroup->BeginPrimitives (); |
1020 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
1021 | aGroup->EndPrimitives (); |
1022 | } |
1023 | } |
1024 | } |
1025 | |
1026 | //================================================================ |
1027 | // Function : CalculateCenter |
1028 | // Purpose : |
1029 | //================================================================ |
1030 | void MeshVS_MeshPrsBuilder::CalculateCenter (const TColStd_Array1OfReal& theCoords, |
1031 | const Standard_Integer NbNodes, |
1032 | Standard_Real &xG, |
1033 | Standard_Real &yG, |
1034 | Standard_Real &zG) |
1035 | { |
1036 | xG = yG = zG = 0; |
1037 | if ( NbNodes < 4 ) |
1038 | { |
1039 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
1040 | { |
1041 | xG += theCoords(3*k-2); |
1042 | yG += theCoords(3*k-1); |
1043 | zG += theCoords(3*k); |
1044 | } |
1045 | xG /= Standard_Real(NbNodes); |
1046 | yG /= Standard_Real(NbNodes); |
1047 | zG /= Standard_Real(NbNodes); |
1048 | } |
1049 | else |
1050 | { |
1051 | Standard_Integer a = 1, b = 3; |
1052 | xG = ( theCoords( 3*a-2 ) + theCoords( 3*b-2 ) ) / 2.0; |
1053 | yG = ( theCoords( 3*a-1 ) + theCoords( 3*b-1 ) ) / 2.0; |
1054 | zG = ( theCoords( 3*a ) + theCoords( 3*b ) ) / 2.0; |
1055 | } |
1056 | } |