b311480e |
1 | // Created on: 2003-09-16 |
2 | // Created by: Alexander SOLOVYOV |
3 | // Copyright (c) 2003-2012 OPEN CASCADE SAS |
4 | // |
5 | // The content of this file is subject to the Open CASCADE Technology Public |
6 | // License Version 6.5 (the "License"). You may not use the content of this file |
7 | // except in compliance with the License. Please obtain a copy of the License |
8 | // at http://www.opencascade.org and read it completely before using this file. |
9 | // |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
12 | // |
13 | // The Original Code and all software distributed under the License is |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
15 | // Initial Developer hereby disclaims all such warranties, including without |
16 | // limitation, any warranties of merchantability, fitness for a particular |
17 | // purpose or non-infringement. Please see the License for the specific terms |
18 | // and conditions governing the rights and limitations under the License. |
19 | |
7fd59977 |
20 | |
21 | #include <MeshVS_MeshPrsBuilder.ixx> |
22 | |
23 | #include <Prs3d_Root.hxx> |
24 | #include <Prs3d_ShadingAspect.hxx> |
25 | #include <Prs3d_LineAspect.hxx> |
26 | #include <Prs3d_PointAspect.hxx> |
27 | |
28 | #include <Graphic3d_AspectLine3d.hxx> |
29 | #include <Graphic3d_AspectFillArea3d.hxx> |
30 | #include <Graphic3d_AspectMarker3d.hxx> |
31 | #include <Graphic3d_ArrayOfPolygons.hxx> |
32 | #include <Graphic3d_ArrayOfPolylines.hxx> |
33 | #include <Graphic3d_Array1OfVertex.hxx> |
34 | #include <Graphic3d_Group.hxx> |
35 | |
36 | #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx> |
37 | #include <TColStd_ListIteratorOfListOfReal.hxx> |
38 | #include <TColStd_MapIntegerHasher.hxx> |
39 | #include <TColStd_Array1OfReal.hxx> |
40 | #include <TColStd_Array1OfInteger.hxx> |
41 | #include <TColStd_SequenceOfInteger.hxx> |
42 | #include <TColStd_PackedMapOfInteger.hxx> |
43 | #include <TColStd_HPackedMapOfInteger.hxx> |
44 | |
45 | #include <Quantity_NameOfColor.hxx> |
46 | #include <Aspect_InteriorStyle.hxx> |
47 | #include <Select3D_SensitivePoint.hxx> |
48 | |
49 | #include <MeshVS_DataSource.hxx> |
50 | #include <MeshVS_Drawer.hxx> |
51 | #include <MeshVS_Mesh.hxx> |
52 | #include <MeshVS_Tool.hxx> |
53 | #include <MeshVS_DrawerAttribute.hxx> |
54 | #include <MeshVS_MapOfTwoNodes.hxx> |
55 | #include <MeshVS_Buffer.hxx> |
56 | |
57 | //================================================================ |
58 | // Function : Constructor MeshVS_MeshPrsBuilder |
59 | // Purpose : |
60 | //================================================================ |
61 | MeshVS_MeshPrsBuilder::MeshVS_MeshPrsBuilder ( const Handle(MeshVS_Mesh)& Parent, |
62 | const Standard_Integer& DisplayModeMask, |
63 | const Handle (MeshVS_DataSource)& DS, |
64 | const Standard_Integer Id, |
65 | const MeshVS_BuilderPriority& Priority ) |
66 | : MeshVS_PrsBuilder ( Parent, DisplayModeMask, DS, Id, Priority ) |
67 | { |
68 | } |
69 | |
70 | //================================================================ |
71 | // Function : Build |
72 | // Purpose : |
73 | //================================================================ |
74 | void MeshVS_MeshPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs, |
75 | const TColStd_PackedMapOfInteger& IDs, |
76 | TColStd_PackedMapOfInteger& IDsToExclude, |
77 | const Standard_Boolean IsElement, |
78 | const Standard_Integer DisplayMode ) const |
79 | { |
80 | if ( DisplayMode <= 0 ) |
81 | return; |
82 | |
83 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
84 | Standard_Integer Extent = IDs.Extent(); |
85 | |
86 | if ( HasHilightFlag && Extent == 1) |
87 | BuildHilightPrs ( Prs, IDs, IsElement ); |
88 | else if ( IsElement ) |
89 | BuildElements ( Prs, IDs, IDsToExclude, DisplayMode ); |
90 | else |
91 | BuildNodes ( Prs, IDs, IDsToExclude, DisplayMode ); |
92 | } |
93 | |
94 | //================================================================ |
95 | // Function : BuildNodes |
96 | // Purpose : |
97 | //================================================================ |
98 | void MeshVS_MeshPrsBuilder::BuildNodes ( const Handle(Prs3d_Presentation)& Prs, |
99 | const TColStd_PackedMapOfInteger& IDs, |
100 | TColStd_PackedMapOfInteger& IDsToExclude, |
101 | const Standard_Integer DisplayMode ) const |
102 | { |
103 | Handle( MeshVS_DataSource ) aSource = GetDataSource(); |
104 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
105 | Handle (Graphic3d_AspectMarker3d) aNodeMark = |
106 | MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
107 | if ( aSource.IsNull() || aDrawer.IsNull() || aNodeMark.IsNull() ) |
108 | return; |
109 | |
110 | Standard_Boolean DisplayFreeNodes = Standard_True; |
111 | aDrawer->GetBoolean( MeshVS_DA_DisplayNodes, DisplayFreeNodes ); |
112 | Standard_Boolean HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ); |
113 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
114 | |
115 | Standard_Real aCoordsBuf[ 3 ]; |
116 | TColStd_Array1OfReal aCoords( *aCoordsBuf, 1, 3 ); |
117 | Standard_Integer NbNodes; |
118 | MeshVS_EntityType aType; |
119 | |
120 | if ( !DisplayFreeNodes ) |
121 | return; |
122 | |
123 | TColStd_PackedMapOfInteger anIDs; |
124 | anIDs.Assign( IDs ); |
125 | if ( !HasSelectFlag && !HasHilightFlag ) |
126 | { |
127 | // subtract the hidden nodes and ids to exclude (to minimise allocated memory) |
128 | Handle(TColStd_HPackedMapOfInteger) aHiddenNodes = myParentMesh->GetHiddenNodes(); |
129 | if ( !aHiddenNodes.IsNull() ) |
130 | anIDs.Subtract( aHiddenNodes->Map() ); |
131 | } |
132 | anIDs.Subtract( IDsToExclude ); |
133 | |
134 | Standard_Integer upper = anIDs.Extent(); |
135 | if ( upper<=0 ) |
136 | return; |
137 | |
138 | Graphic3d_Array1OfVertex aNodePoints ( 1, upper ); |
139 | Standard_Integer k=0; |
140 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
141 | for( ; it.More(); it.Next() ) |
142 | { |
143 | Standard_Integer aKey = it.Key(); |
144 | if ( aSource->GetGeom ( aKey, Standard_False, aCoords, NbNodes, aType ) ) |
145 | { |
146 | if ( IsExcludingOn() ) |
147 | IDsToExclude.Add (aKey); |
148 | k++; |
149 | aNodePoints.SetValue ( k, Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ) ); |
150 | } |
151 | } |
152 | |
153 | if ( k>0 ) |
154 | { |
155 | Prs3d_Root::NewGroup ( Prs ); |
156 | Handle (Graphic3d_Group) aNodeGroup = Prs3d_Root::CurrentGroup ( Prs ); |
157 | aNodeGroup->SetPrimitivesAspect ( aNodeMark ); |
158 | |
159 | aNodeGroup->BeginPrimitives(); |
160 | aNodeGroup->MarkerSet ( aNodePoints ); |
161 | aNodeGroup->EndPrimitives(); |
162 | } |
163 | } |
164 | |
165 | //================================================================ |
166 | // Function : BuildElements |
167 | // Purpose : |
168 | //================================================================ |
169 | void MeshVS_MeshPrsBuilder::BuildElements( const Handle(Prs3d_Presentation)& Prs, |
170 | const TColStd_PackedMapOfInteger& IDs, |
171 | TColStd_PackedMapOfInteger& IDsToExclude, |
172 | const Standard_Integer DisplayMode ) const |
173 | { |
174 | Standard_Integer maxnodes; |
175 | |
176 | Handle (MeshVS_DataSource) aSource = GetDataSource(); |
177 | if ( aSource.IsNull() ) |
178 | return; |
179 | |
180 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
181 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
182 | maxnodes <= 0 ) |
183 | return; |
184 | |
185 | //----------- extract useful display mode flags ---------- |
186 | Standard_Integer aDispMode = ( DisplayMode & GetFlags() ); |
187 | if ( ( aDispMode & MeshVS_DMF_DeformedMask) != 0 ) |
188 | { |
189 | aDispMode /= MeshVS_DMF_DeformedPrsWireFrame; |
190 | // This transformation turns deformed mesh flags to real display modes |
191 | } |
192 | aDispMode &= MeshVS_DMF_OCCMask; |
193 | //-------------------------------------------------------- |
194 | |
195 | Standard_Real aShrinkCoef; |
196 | aDrawer->GetDouble ( MeshVS_DA_ShrinkCoeff, aShrinkCoef ); |
197 | |
198 | Standard_Boolean IsWireFrame = ( aDispMode==MeshVS_DMF_WireFrame ), |
199 | IsShading = ( aDispMode==MeshVS_DMF_Shading ), |
200 | IsShrink = ( aDispMode==MeshVS_DMF_Shrink ), |
201 | HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ), |
202 | HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ), |
203 | IsMeshReflect, IsMeshAllowOverlap, IsReflect, IsMeshSmoothShading = Standard_False; |
204 | |
205 | aDrawer->GetBoolean ( MeshVS_DA_Reflection, IsMeshReflect ); |
206 | aDrawer->GetBoolean ( MeshVS_DA_IsAllowOverlapped, IsMeshAllowOverlap ); |
207 | IsReflect = ( IsMeshReflect && !HasHilightFlag ); |
208 | aDrawer->GetBoolean ( MeshVS_DA_SmoothShading, IsMeshSmoothShading ); |
209 | |
210 | // display mode for hilighted prs of groups |
211 | IsShrink = ( IsShrink && !HasHilightFlag ); |
212 | IsShading = ( IsShading || HasHilightFlag ); |
213 | |
214 | //---------- Creating AspectFillArea3d and AspectLine3d ------------- |
215 | Graphic3d_MaterialAspect AMat; |
216 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
217 | if ( !IsReflect ) |
218 | { |
219 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
220 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
221 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
222 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
223 | } |
224 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
225 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d ( GetDrawer() ); |
226 | //------------------------------------------------------------------- |
227 | |
228 | Standard_Boolean IsOverlapControl = |
229 | !IsMeshAllowOverlap && ( IsWireFrame || IsShading ) && !HasSelectFlag; |
230 | |
231 | Handle (Graphic3d_ArrayOfPolygons) aPolygons, aVolumes; |
232 | Handle (Graphic3d_ArrayOfPolylines) aPolylines, aLinkPolylines; |
233 | |
234 | Standard_Integer PolygonVerticesFor3D = 0, PolygonBoundsFor3D = 0, |
235 | PolylineVerticesFor3D = 0, PolylineBoundsFor3D = 0, |
236 | NbNodes; |
237 | |
238 | // subtract the hidden elements and ids to exclude (to minimise allocated memory) |
239 | TColStd_PackedMapOfInteger anIDs; |
240 | anIDs.Assign( IDs ); |
241 | Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems(); |
242 | if ( !aHiddenElems.IsNull() ) |
243 | anIDs.Subtract( aHiddenElems->Map() ); |
244 | anIDs.Subtract( IDsToExclude ); |
245 | |
246 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
247 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
248 | for( ; it.More(); it.Next() ) |
249 | { |
250 | Standard_Integer aKey = it.Key(); |
251 | if( aSource->Get3DGeom( aKey, NbNodes, aTopo ) ) |
252 | { |
253 | if( !HasSelectFlag ) |
254 | HowManyPrimitives( aTopo, Standard_True, HasSelectFlag, NbNodes, |
255 | PolygonVerticesFor3D, PolygonBoundsFor3D ); |
256 | HowManyPrimitives( aTopo, Standard_False, HasSelectFlag, NbNodes, |
257 | PolylineVerticesFor3D, PolylineBoundsFor3D ); |
258 | } |
259 | } |
260 | |
261 | Standard_Integer Extent = anIDs.Extent(); |
262 | |
263 | if ( IsReflect ) |
264 | { |
265 | aPolygons = new Graphic3d_ArrayOfPolygons |
266 | ( maxnodes*Extent, Extent, 0, Standard_True ); |
267 | aVolumes = new Graphic3d_ArrayOfPolygons |
268 | ( PolygonVerticesFor3D, PolygonBoundsFor3D, 0, Standard_True ); |
269 | } |
270 | else |
271 | { |
272 | aPolygons = new Graphic3d_ArrayOfPolygons( maxnodes*Extent, Extent ); |
273 | aVolumes = new Graphic3d_ArrayOfPolygons ( PolygonVerticesFor3D, PolygonBoundsFor3D ); |
274 | } |
275 | |
276 | Standard_Integer howMany = 1; |
277 | if ( IsOverlapControl ) |
278 | howMany = 2; |
279 | |
280 | Standard_Boolean showEdges = Standard_True; |
281 | aDrawer->GetBoolean( MeshVS_DA_ShowEdges, showEdges ); |
282 | |
283 | showEdges = IsWireFrame || showEdges; |
284 | if ( showEdges ) |
285 | { |
286 | aPolylines = new Graphic3d_ArrayOfPolylines ( ( maxnodes+1 )*Extent + PolylineVerticesFor3D, |
287 | howMany * Extent + PolylineBoundsFor3D ); |
288 | aLinkPolylines = new Graphic3d_ArrayOfPolylines ( 2*Extent, Extent ); |
289 | } |
290 | |
291 | MeshVS_Buffer aCoordsBuf (3*maxnodes*sizeof(Standard_Real)); |
292 | TColStd_Array1OfReal aCoords( aCoordsBuf, 1, 3*maxnodes ); |
293 | MeshVS_EntityType aType; |
294 | |
295 | TColStd_PackedMapOfInteger aCustomElements; |
296 | |
297 | Quantity_Color anOldEdgeColor; |
298 | Aspect_InteriorStyle anIntType; |
299 | Quantity_Color anIntColor, anEdgeColor; |
300 | Aspect_TypeOfLine aLine; |
301 | Standard_Real aWidth; |
302 | |
303 | MeshVS_TwoNodes aTwoNodes; |
304 | aFill->Values ( anIntType, anIntColor, anEdgeColor, aLine, aWidth ); |
305 | |
306 | MeshVS_MapOfTwoNodes aLinkNodes; |
307 | if ( showEdges && IsOverlapControl ) |
308 | // Forbid drawings of edges, which overlap with some links |
309 | for( it.Reset(); it.More(); it.Next() ) |
310 | { |
311 | Standard_Integer aKey = it.Key(); |
312 | if ( aSource->GetGeomType ( aKey, Standard_True, aType ) && |
313 | aType == MeshVS_ET_Link ) |
314 | { |
315 | MeshVS_Buffer aNodesBuf (maxnodes * sizeof(Standard_Integer)); |
316 | TColStd_Array1OfInteger aNodes (aNodesBuf, 1, maxnodes); |
317 | Standard_Integer nbNodes; |
318 | if ( aSource->GetNodesByElement( aKey, aNodes, nbNodes ) && |
319 | nbNodes == 2 ) |
320 | { |
321 | aTwoNodes.First = aNodes(1); |
322 | aTwoNodes.Second = aNodes(2); |
323 | aLinkNodes.Add ( aTwoNodes ); |
324 | } |
325 | } |
326 | } |
327 | |
328 | for( it.Reset(); it.More(); it.Next() ) |
329 | { |
330 | Standard_Integer aKey = it.Key(); |
331 | |
332 | if ( ! aSource->GetGeom ( aKey, Standard_True, aCoords, NbNodes, aType ) ) |
333 | continue; |
334 | |
335 | switch ( aType ) |
336 | { |
337 | case MeshVS_ET_Volume : |
338 | if( IsExcludingOn() ) |
339 | IDsToExclude.Add (aKey); |
340 | if( aSource->Get3DGeom( aKey, NbNodes, aTopo ) ) |
341 | { |
342 | // !!! TO DO: Overlap control |
343 | // add wireframe presentation (draw edges for shading mode as well) |
344 | if ( showEdges ) |
345 | AddVolumePrs ( aTopo, aCoords, NbNodes, aPolylines, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
346 | |
347 | // add shading presentation |
348 | if ( ( IsShading || IsShrink ) && !HasSelectFlag ) |
349 | AddVolumePrs ( aTopo, aCoords, NbNodes, aVolumes, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
350 | |
351 | /* |
352 | Handle( Graphic3d_ArrayOfPrimitives ) anArr = aVolumes; |
353 | if( IsWireFrame || HasSelectFlag ) |
354 | anArr = aPolylines; |
355 | |
356 | AddVolumePrs ( aTopo, aCoords, NbNodes, anArr, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef ); |
357 | */ |
358 | } |
359 | break; |
360 | |
361 | case MeshVS_ET_Link : |
362 | if( IsExcludingOn() ) |
363 | IDsToExclude.Add (aKey); |
364 | if ( showEdges ) |
365 | AddLinkPrs ( aCoords, aLinkPolylines, IsShrink || HasSelectFlag, aShrinkCoef ); |
366 | break; |
367 | |
368 | case MeshVS_ET_Face : |
369 | if( IsExcludingOn() ) |
370 | IDsToExclude.Add (aKey); |
371 | if ( showEdges && IsOverlapControl ) |
372 | { |
373 | MeshVS_Buffer aNodesBuf (NbNodes * sizeof(Standard_Integer)); |
374 | TColStd_Array1OfInteger aNodes (aNodesBuf, 1, NbNodes); |
375 | if ( !aSource->GetNodesByElement( aKey, aNodes, NbNodes ) ) |
376 | continue; |
377 | |
378 | Standard_Integer Last = 0; |
379 | for ( Standard_Integer i=1; i<=NbNodes; i++ ) |
380 | { |
381 | if ( i==1 ) |
382 | aTwoNodes.First = aNodes(i); |
383 | else |
384 | aTwoNodes.First = aTwoNodes.Second; |
385 | |
386 | aTwoNodes.Second = ( i<NbNodes ? aNodes(i+1) : aNodes(1) ); |
387 | if ( aLinkNodes.Contains ( aTwoNodes ) ) |
388 | { |
389 | aPolylines->AddBound ( i-Last ); |
390 | for (Standard_Integer j = Last+1; j<=i; j++) |
391 | aPolylines->AddVertex ( aCoords(3*j-2), aCoords(3*j-1), aCoords(3*j) ); |
392 | Last = i; |
393 | } |
394 | } |
395 | if ( NbNodes-Last > 0 ) |
396 | { |
397 | aPolylines->AddBound ( NbNodes-Last+1 ); |
398 | for (Standard_Integer j = Last+1; j<=NbNodes; j++) |
399 | aPolylines->AddVertex ( aCoords(3*j-2), aCoords(3*j-1), aCoords(3*j) ); |
400 | |
401 | aPolylines->AddVertex ( aCoords(1), aCoords(2), aCoords(3) ); |
402 | } |
403 | } |
404 | |
405 | if ( !IsOverlapControl || IsShading ) |
406 | { |
407 | if ( !IsOverlapControl && showEdges ) |
408 | AddFaceWirePrs(aCoords, NbNodes, aPolylines, |
409 | IsShrink || HasSelectFlag, aShrinkCoef ); |
410 | if ( ( IsShading || IsShrink ) && !HasSelectFlag ) |
411 | AddFaceSolidPrs(aKey, aCoords, NbNodes, maxnodes, aPolygons, |
412 | IsReflect, IsShrink || HasSelectFlag, |
413 | aShrinkCoef, IsMeshSmoothShading ); |
414 | } |
415 | break; |
416 | |
417 | default: |
418 | aCustomElements.Add( aKey ); |
419 | break; |
420 | } |
421 | } |
422 | |
423 | if ( IsShrink ) |
424 | { |
425 | anOldEdgeColor = anEdgeColor; |
426 | aFill->SetEdgeColor ( Quantity_NOC_BLACK ); |
427 | } |
428 | |
429 | DrawArrays ( Prs, aPolygons, aPolylines, aLinkPolylines, aVolumes, |
430 | !showEdges, HasSelectFlag, aFill, aBeam ); |
431 | |
432 | if ( !aCustomElements.IsEmpty() ) |
433 | CustomBuild ( Prs, aCustomElements, IDsToExclude, DisplayMode ); |
434 | |
435 | if( IsShrink ) |
436 | aFill->SetEdgeColor( anOldEdgeColor ); |
437 | } |
438 | |
439 | //================================================================ |
440 | // Function : BuildHilightPrs |
441 | // Purpose : |
442 | //================================================================ |
443 | void MeshVS_MeshPrsBuilder::BuildHilightPrs ( const Handle(Prs3d_Presentation)& Prs, |
444 | const TColStd_PackedMapOfInteger& IDs, |
445 | const Standard_Boolean IsElement ) const |
446 | { |
447 | Standard_Integer maxnodes; |
448 | |
449 | Handle (MeshVS_DataSource) aSource = GetDataSource(); |
450 | if ( aSource.IsNull() || IDs.IsEmpty() ) |
451 | return; |
452 | |
453 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
454 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
455 | maxnodes <= 0 ) |
456 | return; |
457 | |
458 | MeshVS_Buffer aCoordsBuf (3*maxnodes*sizeof(Standard_Real)); |
459 | TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*maxnodes); |
460 | |
461 | Graphic3d_MaterialAspect AMat; |
462 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
463 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
464 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
465 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
466 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
467 | |
468 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
469 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d( GetDrawer() ); |
470 | Handle( Graphic3d_AspectMarker3d ) aNodeMark = MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
471 | |
472 | // Hilight one element or node |
473 | TColStd_MapIteratorOfPackedMapOfInteger it (IDs); |
474 | Standard_Integer ID = it.Key(), NbNodes; |
475 | MeshVS_EntityType aType; |
476 | |
477 | if ( !aSource->GetGeom ( ID, IsElement, aCoords, NbNodes, aType ) ) |
478 | return; |
479 | |
480 | Prs3d_Root::NewGroup ( Prs ); |
481 | Handle (Graphic3d_Group) aHilightGroup = Prs3d_Root::CurrentGroup ( Prs ); |
482 | |
483 | switch ( aType ) |
484 | { |
485 | case MeshVS_ET_Node : |
486 | { |
487 | aHilightGroup->SetPrimitivesAspect ( aNodeMark ); |
488 | aHilightGroup->Marker ( Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ) ); |
489 | } |
490 | break; |
491 | |
492 | case MeshVS_ET_Link: |
493 | { |
494 | aHilightGroup->SetPrimitivesAspect ( aBeam ); |
495 | aHilightGroup->Polyline ( Graphic3d_Vertex ( aCoords(1), aCoords(2), aCoords(3) ), |
496 | Graphic3d_Vertex ( aCoords(4), aCoords(5), aCoords(6) ) ); |
497 | } |
498 | break; |
499 | |
500 | case MeshVS_ET_Face: |
501 | if ( NbNodes > 0 ) |
502 | { |
503 | Standard_Real X, Y, Z; |
504 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
505 | Graphic3d_Array1OfVertex aVArr ( 1, NbNodes ); |
506 | |
507 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
508 | { |
509 | X = aCoords(3*k-2); |
510 | Y = aCoords(3*k-1); |
511 | Z = aCoords(3*k); |
512 | aVArr.SetValue ( k, Graphic3d_Vertex ( X, Y, Z ) ); |
513 | } |
514 | aHilightGroup->Polygon ( aVArr ); |
515 | } |
516 | break; |
517 | |
518 | case MeshVS_ET_Volume: |
519 | if( NbNodes > 0 ) |
520 | { |
521 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
522 | |
523 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
524 | |
525 | if( aSource->Get3DGeom( ID, NbNodes, aTopo ) ) |
526 | { |
527 | Standard_Integer low = aTopo->Lower(), up = aTopo->Upper(), i, j, m, ind; |
528 | for( i=low; i<=up; i++ ) |
529 | { |
530 | const TColStd_SequenceOfInteger& aSeq = aTopo->Value( i ); |
531 | m = aSeq.Length(); |
532 | Graphic3d_Array1OfVertex aVArr( 1, m ); |
533 | for( j=1; j<=m; j++ ) |
534 | { |
535 | ind = aSeq.Value( j ); |
536 | aVArr.SetValue( j, Graphic3d_Vertex( aCoords( 3*ind+1 ), |
537 | aCoords( 3*ind+2 ), |
538 | aCoords( 3*ind+3 ) ) ); |
539 | } |
540 | aHilightGroup->Polygon ( aVArr ); |
541 | } |
542 | } |
543 | } |
544 | break; |
545 | |
546 | default: |
547 | { |
548 | TColStd_PackedMapOfInteger tmp; |
549 | CustomBuild ( Prs, IDs, tmp, MeshVS_DMF_HilightPrs ); |
550 | } |
551 | break; |
552 | } |
553 | } |
554 | |
555 | //================================================================ |
556 | // Function : AddLinkPrs |
557 | // Purpose : |
558 | //================================================================ |
559 | void MeshVS_MeshPrsBuilder::AddLinkPrs (const TColStd_Array1OfReal& theCoords, |
560 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
561 | const Standard_Boolean IsShrinked, |
562 | const Standard_Real ShrinkCoef) const |
563 | { |
564 | Standard_Real x1 = theCoords(1); |
565 | Standard_Real y1 = theCoords(2); |
566 | Standard_Real z1 = theCoords(3); |
567 | Standard_Real x2 = theCoords(4); |
568 | Standard_Real y2 = theCoords(5); |
569 | Standard_Real z2 = theCoords(6); |
570 | Standard_Real xG, yG, zG; |
571 | |
572 | if ( IsShrinked ) |
573 | { |
574 | xG = (x1+x2)/2.0; |
575 | yG = (y1+y2)/2.0; |
576 | zG = (z1+z2)/2.0; |
577 | x1 = (x1 - xG) * ShrinkCoef + xG; |
578 | x2 = 2.0*xG - x1; |
579 | y1 = (y1 - yG) * ShrinkCoef + yG; |
580 | y2 = 2.0*yG - y1; |
581 | z1 = (z1 - zG) * ShrinkCoef + zG; |
582 | z2 = 2.0*zG - z1; |
583 | } |
584 | theLines->AddBound ( 2 ); |
585 | theLines->AddVertex ( x1, y1, z1 ); |
586 | theLines->AddVertex ( x2, y2, z2 ); |
587 | } |
588 | |
589 | //================================================================ |
590 | // Function : AddFaceWirePrs |
591 | // Purpose : |
592 | //================================================================ |
593 | void MeshVS_MeshPrsBuilder::AddFaceWirePrs (const TColStd_Array1OfReal& theCoords, |
594 | const Standard_Integer NbNodes, |
595 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
596 | const Standard_Boolean IsShrinked, |
597 | const Standard_Real ShrinkCoef) const |
598 | { |
599 | Standard_Real xG, yG, zG, X, Y, Z, startX=0., startY=0., startZ=0.; |
600 | theLines->AddBound ( NbNodes+1 ); |
601 | if ( IsShrinked ) |
602 | CalculateCenter( theCoords, NbNodes, xG, yG, zG ); |
603 | |
604 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
605 | { |
606 | X = theCoords(3*k-2); |
607 | Y = theCoords(3*k-1); |
608 | Z = theCoords(3*k); |
609 | if ( IsShrinked ) |
610 | { |
611 | X = (X - xG) * ShrinkCoef + xG; |
612 | Y = (Y - yG) * ShrinkCoef + yG; |
613 | Z = (Z - zG) * ShrinkCoef + zG; |
614 | } |
615 | if( k==1 ) |
616 | { |
617 | startX = X; startY = Y; startZ = Z; |
618 | } |
619 | theLines->AddVertex ( X, Y, Z ); |
620 | } |
621 | theLines->AddVertex( startX, startY, startZ ); |
622 | } |
623 | |
624 | //================================================================ |
625 | // Function : AddFaceSolidPrs |
626 | // Purpose : |
627 | //================================================================ |
628 | void MeshVS_MeshPrsBuilder::AddFaceSolidPrs (const Standard_Integer ID, |
629 | const TColStd_Array1OfReal& theCoords, |
630 | const Standard_Integer NbNodes, |
631 | const Standard_Integer MaxNodes, |
632 | const Handle(Graphic3d_ArrayOfPolygons)& thePolygons, |
633 | const Standard_Boolean IsReflected, |
634 | const Standard_Boolean IsShrinked, |
635 | const Standard_Real ShrinkCoef, |
636 | const Standard_Boolean IsMeshSmoothShading) const |
637 | { |
638 | Handle( MeshVS_DataSource ) aDS = myParentMesh->GetDataSource(); |
639 | if ( aDS.IsNull() ) |
640 | return; |
641 | |
642 | Standard_Real xG, yG, zG, X, Y, Z, nx, ny, nz; |
643 | thePolygons->AddBound ( NbNodes ); |
644 | if ( IsShrinked ) |
645 | CalculateCenter( theCoords, NbNodes, xG, yG, zG ); |
646 | |
647 | Standard_Boolean allNormals = Standard_True; |
648 | Standard_Integer k; |
649 | |
650 | if( IsReflected ) |
651 | { |
652 | if( IsMeshSmoothShading ) |
653 | for( k=1; k<=NbNodes && allNormals; k++ ) |
654 | allNormals = aDS->GetNodeNormal (k, ID, nx, ny, nz); |
655 | if( !IsMeshSmoothShading || !allNormals ) |
656 | aDS->GetNormal( ID, MaxNodes, nx, ny, nz ); |
657 | } |
658 | |
659 | for ( k=1; k<=NbNodes; k++) |
660 | { |
661 | X = theCoords(3*k-2); |
662 | Y = theCoords(3*k-1); |
663 | Z = theCoords(3*k); |
664 | if ( IsShrinked ) |
665 | { |
666 | X = (X - xG) * ShrinkCoef + xG; |
667 | Y = (Y - yG) * ShrinkCoef + yG; |
668 | Z = (Z - zG) * ShrinkCoef + zG; |
669 | } |
670 | |
671 | if ( IsReflected ) |
672 | { |
673 | if( IsMeshSmoothShading && allNormals ) |
674 | aDS->GetNodeNormal (k, ID, nx, ny, nz); |
675 | thePolygons->AddVertex ( X, Y, Z, nx, ny, nz ); |
676 | } |
677 | else |
678 | thePolygons->AddVertex ( X, Y, Z ); |
679 | } |
680 | } |
681 | |
682 | //================================================================ |
683 | // Function : AddVolumePrs |
684 | // Purpose : |
685 | //================================================================ |
686 | void MeshVS_MeshPrsBuilder::AddVolumePrs (const Handle( MeshVS_HArray1OfSequenceOfInteger )& Topo, |
687 | const TColStd_Array1OfReal& Nodes, |
688 | const Standard_Integer NbNodes, |
689 | const Handle( Graphic3d_ArrayOfPrimitives )& Array, |
690 | const Standard_Boolean IsReflected, |
691 | const Standard_Boolean IsShrinked, |
692 | const Standard_Boolean IsSelect, |
693 | const Standard_Real ShrinkCoef) |
694 | { |
695 | Standard_Real c[3]; c[0] = c[1] = c[2] = 0.0; |
696 | Standard_Integer low = Nodes.Lower(), n=NbNodes; |
697 | |
698 | if( Topo.IsNull() || Array.IsNull() ) |
699 | return; |
700 | |
701 | if( IsShrinked ) |
702 | { |
703 | for( Standard_Integer i=0; i<3*n; i++ ) |
704 | c[i%3] += Nodes.Value( low + i ); |
705 | |
706 | c[0] /= n; |
707 | c[1] /= n; |
708 | c[2] /= n; |
709 | } |
710 | |
711 | Standard_Boolean IsPolygons = Array->IsKind( STANDARD_TYPE( Graphic3d_ArrayOfPolygons ) ); |
712 | Standard_Real x[2], y[2], z[2]; |
713 | Standard_Integer ind; |
714 | gp_Vec norm; |
715 | |
716 | if( IsPolygons ) |
717 | { |
718 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
719 | { |
720 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
721 | |
722 | Standard_Integer m = aSeq.Length(); |
723 | Array->AddBound( m ); |
724 | |
725 | norm.SetCoord( 0, 0, 0 ); |
726 | if( IsReflected ) |
727 | { |
728 | MeshVS_Buffer PolyNodesBuf (3*m*sizeof(Standard_Real)); |
729 | TColStd_Array1OfReal PolyNodes( PolyNodesBuf, 0, 3*m ); |
730 | PolyNodes.SetValue( 0, m ); |
731 | for( Standard_Integer j=1; j<=m; j++ ) |
732 | { |
733 | ind = aSeq.Value( j ); |
734 | PolyNodes.SetValue( 3*j-2, Nodes.Value( low+3*ind ) ); |
735 | PolyNodes.SetValue( 3*j-1, Nodes.Value( low+3*ind+1 ) ); |
736 | PolyNodes.SetValue( 3*j, Nodes.Value( low+3*ind+2 ) ); |
737 | } |
738 | |
739 | // compute normal |
740 | // if( !MeshVS_Tool::GetNormal( PolyNodes, norm ) ) |
741 | // norm.SetCoord( 0, 0, 0 ); |
742 | MeshVS_Tool::GetAverageNormal( PolyNodes, norm ); |
743 | } |
744 | |
745 | Standard_Real nx = norm.X(), ny = norm.Y(), nz = norm.Z(); |
746 | |
747 | |
748 | for( Standard_Integer j=1; j<=m; j++ ) |
749 | { |
750 | ind = aSeq.Value( j ); |
751 | x[0] = Nodes.Value( low + 3*ind ); |
752 | y[0] = Nodes.Value( low + 3*ind+1 ); |
753 | z[0] = Nodes.Value( low + 3*ind+2 ); |
754 | |
755 | if( IsShrinked ) |
756 | { |
757 | x[0] = c[0] + ShrinkCoef * ( x[0]-c[0] ); |
758 | y[0] = c[1] + ShrinkCoef * ( y[0]-c[1] ); |
759 | z[0] = c[2] + ShrinkCoef * ( z[0]-c[2] ); |
760 | } |
761 | |
762 | if( IsReflected ) |
763 | Array->AddVertex( x[0], y[0], z[0], nx, ny, nz ); |
764 | else |
765 | Array->AddVertex( x[0], y[0], z[0] ); |
766 | } |
767 | } |
768 | } |
769 | else if( IsSelect ) |
770 | { |
771 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
772 | { |
773 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
774 | Standard_Real pc[3]; pc[0] = pc[1] = pc[2] = 0; |
775 | Standard_Integer j,m; |
776 | for( j=1, m=aSeq.Length(); j<=m; j++ ) |
777 | { |
778 | ind = aSeq.Value( j ); |
779 | for( Standard_Integer k=0; k<3; k++ ) |
780 | pc[k] += Nodes.Value( low + 3*ind+k ); |
781 | } |
782 | pc[0] /= m; |
783 | pc[1] /= m; |
784 | pc[2] /= m; |
785 | |
786 | Array->AddBound( m+1 ); |
787 | for( j=1, m=aSeq.Length(); j<=m+1; j++ ) |
788 | { |
789 | ind = aSeq.Value( (j-1)%m + 1 ); |
790 | x[0] = Nodes.Value( low + 3*ind ); |
791 | y[0] = Nodes.Value( low + 3*ind+1 ); |
792 | z[0] = Nodes.Value( low + 3*ind+2 ); |
793 | x[0] = pc[0] + ShrinkCoef * ( x[0]-pc[0] ); |
794 | y[0] = pc[1] + ShrinkCoef * ( y[0]-pc[1] ); |
795 | z[0] = pc[2] + ShrinkCoef * ( z[0]-pc[2] ); |
796 | Array->AddVertex( x[0], y[0], z[0] ); |
797 | } |
798 | } |
799 | } |
800 | else |
801 | { |
802 | Standard_Integer F, S=0, k; |
803 | |
804 | // Find all pairs of nodes (edges) to draw; |
805 | // map is used to ensure that each edge will be drawn only once |
806 | TColStd_PackedMapOfInteger aMap; |
807 | for( Standard_Integer i=Topo->Lower(), topoup=Topo->Upper(); i<=topoup; i++ ) |
808 | { |
809 | const TColStd_SequenceOfInteger& aSeq = Topo->Value( i ); |
810 | for( Standard_Integer j=1, m=aSeq.Length(); j<=m; j++ ) |
811 | { |
812 | if( j==1 ) |
813 | F = aSeq.Value( j ); |
814 | else |
815 | F = S; |
816 | |
817 | S = j<m ? aSeq.Value( j+1 ) : aSeq.Value( 1 ); |
818 | |
819 | if( F<S ) |
820 | aMap.Add( F + NbNodes * S ); |
821 | else |
822 | aMap.Add( S + NbNodes * F ); |
823 | } |
824 | } |
825 | |
826 | // draw edges |
827 | TColStd_MapIteratorOfPackedMapOfInteger anIt( aMap ); |
828 | for( ; anIt.More(); anIt.Next() ) |
829 | { |
830 | F = low + 3*(anIt.Key()%NbNodes); |
831 | S = low + 3*(anIt.Key()/NbNodes); |
832 | |
833 | x[0] = Nodes.Value( F ); |
834 | y[0] = Nodes.Value( F+1 ); |
835 | z[0] = Nodes.Value( F+2 ); |
836 | x[1] = Nodes.Value( S ); |
837 | y[1] = Nodes.Value( S+1 ); |
838 | z[1] = Nodes.Value( S+2 ); |
839 | |
840 | if( IsShrinked ) |
841 | for( k=0; k<2; k++ ) |
842 | { |
843 | x[k] = c[0] + ShrinkCoef * ( x[k]-c[0] ); |
844 | y[k] = c[1] + ShrinkCoef * ( y[k]-c[1] ); |
845 | z[k] = c[2] + ShrinkCoef * ( z[k]-c[2] ); |
846 | } |
847 | |
848 | Array->AddBound( 2 ); |
849 | Array->AddVertex( x[0], y[0], z[0] ); |
850 | Array->AddVertex( x[1], y[1], z[1] ); |
851 | } |
852 | } |
853 | } |
854 | |
855 | //================================================================ |
856 | // Function : HowManyPrimitives |
857 | // Purpose : |
858 | //================================================================ |
859 | void MeshVS_MeshPrsBuilder::HowManyPrimitives (const Handle(MeshVS_HArray1OfSequenceOfInteger)& Topo, |
860 | const Standard_Boolean AsPolygons, |
861 | const Standard_Boolean IsSelect, |
862 | const Standard_Integer NbNodes, |
863 | Standard_Integer& Vertices, |
864 | Standard_Integer& Bounds) |
865 | { |
866 | if( !Topo.IsNull() ) |
867 | if( AsPolygons || IsSelect ) |
868 | { |
869 | Standard_Integer B = Topo->Upper()-Topo->Lower()+1; |
870 | Bounds += B; |
871 | for( Standard_Integer i=Topo->Lower(), n=Topo->Upper(); i<=n; i++ ) |
872 | Vertices += Topo->Value( i ).Length(); |
873 | |
874 | if( IsSelect ) |
875 | Vertices+=B; |
876 | } |
877 | else |
878 | { |
879 | Standard_Integer F = Topo->Upper()-Topo->Lower()+1, |
880 | E = NbNodes + F - 2; |
881 | // number of edges is obtained by Euler's expression for polyhedrons |
882 | |
883 | Bounds += E; |
884 | Vertices += 2*E; |
885 | } |
886 | } |
887 | |
888 | //================================================================ |
889 | // Function : DrawArrays |
890 | // Purpose : |
891 | //================================================================ |
892 | void MeshVS_MeshPrsBuilder::DrawArrays( const Handle(Prs3d_Presentation)& Prs, |
893 | const Handle(Graphic3d_ArrayOfPolygons)& thePolygons, |
894 | const Handle(Graphic3d_ArrayOfPolylines)& theLines, |
895 | const Handle(Graphic3d_ArrayOfPolylines)& theLinkLines, |
896 | const Handle(Graphic3d_ArrayOfPolygons)& theVolumesInShad, |
897 | const Standard_Boolean IsPolygonsEdgesOff, |
898 | const Standard_Boolean IsSelected, |
899 | const Handle(Graphic3d_AspectFillArea3d)& theFillAsp, |
900 | const Handle(Graphic3d_AspectLine3d)& theLineAsp ) const |
901 | { |
902 | if ( theFillAsp.IsNull() ) |
903 | return; |
904 | |
905 | Standard_Boolean IsFacePolygons = ( !thePolygons.IsNull() && thePolygons->ItemNumber() > 0 ), |
906 | IsVolumePolygons = ( !theVolumesInShad.IsNull() && theVolumesInShad->ItemNumber() > 0 ), |
907 | IsPolygons = IsFacePolygons || IsVolumePolygons, |
908 | IsPolylines = ( !theLines.IsNull() && theLines->ItemNumber() > 0 ), |
909 | IsLinkPolylines = ( !theLinkLines.IsNull() && theLinkLines->ItemNumber() > 0 ); |
910 | |
911 | Aspect_InteriorStyle aStyle; |
912 | Quantity_Color anIntColor, aBackColor, anEdgeColor; |
913 | Aspect_TypeOfLine aType; |
914 | Standard_Real aWidth; |
915 | |
916 | theFillAsp->Values( aStyle, anIntColor, aBackColor, anEdgeColor, aType, aWidth ); |
917 | |
918 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()<0.01 ) |
919 | { |
920 | Prs3d_Root::NewGroup ( Prs ); |
921 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
922 | |
923 | //if ( IsPolygonsEdgesOff ) |
924 | theFillAsp->SetEdgeOff (); |
925 | //else |
926 | // theFillAsp->SetEdgeOn (); |
927 | |
928 | if( anIntColor!=aBackColor ) |
929 | theFillAsp->SetDistinguishOn(); |
930 | else |
931 | theFillAsp->SetDistinguishOff(); |
932 | |
933 | if( IsFacePolygons ) |
934 | { |
935 | aGroup->SetPrimitivesAspect ( theFillAsp ); |
936 | aGroup->BeginPrimitives (); |
937 | aGroup->AddPrimitiveArray ( thePolygons ); |
938 | aGroup->EndPrimitives (); |
939 | } |
940 | |
941 | if( IsVolumePolygons ) |
942 | { |
943 | Handle( Graphic3d_AspectFillArea3d ) aCullFillAsp = |
944 | new Graphic3d_AspectFillArea3d( *( theFillAsp.operator->() ) ); |
945 | |
946 | Standard_Boolean isSupressBackFaces = Standard_False; |
947 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
948 | if (!aDrawer.IsNull()) |
949 | aDrawer->GetBoolean ( MeshVS_DA_SupressBackFaces, isSupressBackFaces ); |
950 | |
951 | if (isSupressBackFaces) |
952 | aCullFillAsp->SuppressBackFace(); |
953 | |
954 | aGroup->SetPrimitivesAspect ( aCullFillAsp ); |
955 | aGroup->BeginPrimitives (); |
956 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
957 | aGroup->EndPrimitives (); |
958 | } |
959 | } |
960 | |
961 | if ( IsPolylines && !IsPolygonsEdgesOff ) |
962 | { |
963 | Prs3d_Root::NewGroup ( Prs ); |
964 | Handle (Graphic3d_Group) aLGroup = Prs3d_Root::CurrentGroup ( Prs ); |
965 | |
966 | theFillAsp->SetEdgeOff(); |
967 | if ( IsSelected ) |
968 | aLGroup->SetPrimitivesAspect ( theLineAsp ); |
969 | else |
970 | { |
971 | aLGroup->SetPrimitivesAspect ( theFillAsp ); |
972 | aLGroup->SetPrimitivesAspect ( new Graphic3d_AspectLine3d |
973 | ( anEdgeColor, Aspect_TOL_SOLID, aWidth ) ); |
974 | } |
975 | aLGroup->BeginPrimitives (); |
976 | aLGroup->AddPrimitiveArray ( theLines ); |
977 | aLGroup->EndPrimitives (); |
978 | theFillAsp->SetEdgeOn(); |
979 | } |
980 | |
981 | if ( IsLinkPolylines ) |
982 | { |
983 | Prs3d_Root::NewGroup ( Prs ); |
984 | Handle (Graphic3d_Group) aBeamGroup = Prs3d_Root::CurrentGroup ( Prs ); |
985 | |
986 | theFillAsp->SetEdgeOff(); |
987 | if ( !IsSelected ) |
988 | aBeamGroup->SetPrimitivesAspect ( theFillAsp ); |
989 | aBeamGroup->SetPrimitivesAspect ( theLineAsp ); |
990 | |
991 | aBeamGroup->BeginPrimitives(); |
992 | aBeamGroup->AddPrimitiveArray ( theLinkLines ); |
993 | aBeamGroup->EndPrimitives(); |
994 | theFillAsp->SetEdgeOn(); |
995 | } |
996 | |
997 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()>=0.01 ) |
998 | { |
999 | Prs3d_Root::NewGroup ( Prs ); |
1000 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
1001 | |
1002 | //if ( IsPolygonsEdgesOff ) |
1003 | theFillAsp->SetEdgeOff (); |
1004 | //else |
1005 | // theFillAsp->SetEdgeOn (); |
1006 | |
1007 | if( anIntColor!=aBackColor ) |
1008 | theFillAsp->SetDistinguishOn(); |
1009 | else |
1010 | theFillAsp->SetDistinguishOff(); |
1011 | |
1012 | if( IsFacePolygons ) |
1013 | { |
1014 | aGroup->SetPrimitivesAspect ( theFillAsp ); |
1015 | aGroup->BeginPrimitives (); |
1016 | aGroup->AddPrimitiveArray ( thePolygons ); |
1017 | aGroup->EndPrimitives (); |
1018 | } |
1019 | |
1020 | if( IsVolumePolygons ) |
1021 | { |
1022 | Handle( Graphic3d_AspectFillArea3d ) aCullFillAsp = |
1023 | new Graphic3d_AspectFillArea3d( *( theFillAsp.operator->() ) ); |
1024 | |
1025 | Standard_Boolean isSupressBackFaces = Standard_False; |
1026 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
1027 | if (!aDrawer.IsNull()) |
1028 | aDrawer->GetBoolean ( MeshVS_DA_SupressBackFaces, isSupressBackFaces ); |
1029 | |
1030 | if (isSupressBackFaces) |
1031 | aCullFillAsp->SuppressBackFace(); |
1032 | |
1033 | aGroup->SetPrimitivesAspect ( aCullFillAsp ); |
1034 | aGroup->BeginPrimitives (); |
1035 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
1036 | aGroup->EndPrimitives (); |
1037 | } |
1038 | } |
1039 | } |
1040 | |
1041 | //================================================================ |
1042 | // Function : CalculateCenter |
1043 | // Purpose : |
1044 | //================================================================ |
1045 | void MeshVS_MeshPrsBuilder::CalculateCenter (const TColStd_Array1OfReal& theCoords, |
1046 | const Standard_Integer NbNodes, |
1047 | Standard_Real &xG, |
1048 | Standard_Real &yG, |
1049 | Standard_Real &zG) |
1050 | { |
1051 | xG = yG = zG = 0; |
1052 | if ( NbNodes < 4 ) |
1053 | { |
1054 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
1055 | { |
1056 | xG += theCoords(3*k-2); |
1057 | yG += theCoords(3*k-1); |
1058 | zG += theCoords(3*k); |
1059 | } |
1060 | xG /= Standard_Real(NbNodes); |
1061 | yG /= Standard_Real(NbNodes); |
1062 | zG /= Standard_Real(NbNodes); |
1063 | } |
1064 | else |
1065 | { |
1066 | Standard_Integer a = 1, b = 3; |
1067 | xG = ( theCoords( 3*a-2 ) + theCoords( 3*b-2 ) ) / 2.0; |
1068 | yG = ( theCoords( 3*a-1 ) + theCoords( 3*b-1 ) ) / 2.0; |
1069 | zG = ( theCoords( 3*a ) + theCoords( 3*b ) ) / 2.0; |
1070 | } |
1071 | } |