| 1 | // Created on: 2003-09-16 |
| 2 | // Created by: Alexander SOLOVYOV |
| 3 | // Copyright (c) 2003-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 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 |
| 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. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | |
| 17 | #include <Aspect_InteriorStyle.hxx> |
| 18 | #include <Graphic3d_ArrayOfPoints.hxx> |
| 19 | #include <Graphic3d_ArrayOfPolygons.hxx> |
| 20 | #include <Graphic3d_ArrayOfPolylines.hxx> |
| 21 | #include <Graphic3d_ArrayOfPrimitives.hxx> |
| 22 | #include <Graphic3d_ArrayOfSegments.hxx> |
| 23 | #include <Graphic3d_ArrayOfTriangles.hxx> |
| 24 | #include <Graphic3d_AspectFillArea3d.hxx> |
| 25 | #include <Graphic3d_AspectLine3d.hxx> |
| 26 | #include <Graphic3d_AspectMarker3d.hxx> |
| 27 | #include <Graphic3d_Group.hxx> |
| 28 | #include <MeshVS_Buffer.hxx> |
| 29 | #include <MeshVS_DataSource.hxx> |
| 30 | #include <MeshVS_Drawer.hxx> |
| 31 | #include <MeshVS_DrawerAttribute.hxx> |
| 32 | #include <MeshVS_MapOfTwoNodes.hxx> |
| 33 | #include <MeshVS_Mesh.hxx> |
| 34 | #include <MeshVS_MeshPrsBuilder.hxx> |
| 35 | #include <MeshVS_SymmetricPairHasher.hxx> |
| 36 | #include <MeshVS_Tool.hxx> |
| 37 | #include <NCollection_Map.hxx> |
| 38 | #include <NCollection_Vector.hxx> |
| 39 | #include <Prs3d_LineAspect.hxx> |
| 40 | #include <Prs3d_PointAspect.hxx> |
| 41 | #include <Prs3d_Presentation.hxx> |
| 42 | #include <Prs3d_Root.hxx> |
| 43 | #include <Prs3d_ShadingAspect.hxx> |
| 44 | #include <Quantity_NameOfColor.hxx> |
| 45 | #include <Select3D_SensitivePoint.hxx> |
| 46 | #include <Standard_Type.hxx> |
| 47 | #include <TColStd_Array1OfInteger.hxx> |
| 48 | #include <TColStd_Array1OfReal.hxx> |
| 49 | #include <TColStd_HPackedMapOfInteger.hxx> |
| 50 | #include <TColStd_ListIteratorOfListOfReal.hxx> |
| 51 | #include <TColStd_MapIntegerHasher.hxx> |
| 52 | #include <TColStd_MapIteratorOfPackedMapOfInteger.hxx> |
| 53 | #include <TColStd_MapOfInteger.hxx> |
| 54 | #include <TColStd_PackedMapOfInteger.hxx> |
| 55 | #include <TColStd_SequenceOfInteger.hxx> |
| 56 | |
| 57 | #ifdef _WIN32 |
| 58 | #include <malloc.h> // for alloca() |
| 59 | #endif |
| 60 | |
| 61 | IMPLEMENT_STANDARD_RTTIEXT(MeshVS_MeshPrsBuilder,MeshVS_PrsBuilder) |
| 62 | |
| 63 | //================================================================ |
| 64 | // Function : Constructor MeshVS_MeshPrsBuilder |
| 65 | // Purpose : |
| 66 | //================================================================ |
| 67 | MeshVS_MeshPrsBuilder::MeshVS_MeshPrsBuilder ( const Handle(MeshVS_Mesh)& Parent, |
| 68 | const Standard_Integer& DisplayModeMask, |
| 69 | const Handle (MeshVS_DataSource)& DS, |
| 70 | const Standard_Integer Id, |
| 71 | const MeshVS_BuilderPriority& Priority ) |
| 72 | : MeshVS_PrsBuilder ( Parent, DisplayModeMask, DS, Id, Priority ) |
| 73 | { |
| 74 | } |
| 75 | |
| 76 | //================================================================ |
| 77 | // Function : Build |
| 78 | // Purpose : |
| 79 | //================================================================ |
| 80 | void MeshVS_MeshPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs, |
| 81 | const TColStd_PackedMapOfInteger& IDs, |
| 82 | TColStd_PackedMapOfInteger& IDsToExclude, |
| 83 | const Standard_Boolean IsElement, |
| 84 | const Standard_Integer DisplayMode ) const |
| 85 | { |
| 86 | if ( DisplayMode <= 0 ) |
| 87 | return; |
| 88 | |
| 89 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
| 90 | Standard_Integer Extent = IDs.Extent(); |
| 91 | |
| 92 | if ( HasHilightFlag && Extent == 1) |
| 93 | BuildHilightPrs ( Prs, IDs, IsElement ); |
| 94 | else if ( IsElement ) |
| 95 | BuildElements ( Prs, IDs, IDsToExclude, DisplayMode ); |
| 96 | else |
| 97 | BuildNodes ( Prs, IDs, IDsToExclude, DisplayMode ); |
| 98 | } |
| 99 | |
| 100 | //================================================================ |
| 101 | // Function : BuildNodes |
| 102 | // Purpose : |
| 103 | //================================================================ |
| 104 | void MeshVS_MeshPrsBuilder::BuildNodes ( const Handle(Prs3d_Presentation)& Prs, |
| 105 | const TColStd_PackedMapOfInteger& IDs, |
| 106 | TColStd_PackedMapOfInteger& IDsToExclude, |
| 107 | const Standard_Integer DisplayMode ) const |
| 108 | { |
| 109 | Handle( MeshVS_DataSource ) aSource = GetDataSource(); |
| 110 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
| 111 | Handle (Graphic3d_AspectMarker3d) aNodeMark = |
| 112 | MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
| 113 | if ( aSource.IsNull() || aDrawer.IsNull() || aNodeMark.IsNull() ) |
| 114 | return; |
| 115 | |
| 116 | Standard_Boolean DisplayFreeNodes = Standard_True; |
| 117 | aDrawer->GetBoolean( MeshVS_DA_DisplayNodes, DisplayFreeNodes ); |
| 118 | Standard_Boolean HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ); |
| 119 | Standard_Boolean HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ); |
| 120 | |
| 121 | Standard_Real aCoordsBuf[ 3 ]; |
| 122 | TColStd_Array1OfReal aCoords( *aCoordsBuf, 1, 3 ); |
| 123 | Standard_Integer NbNodes; |
| 124 | MeshVS_EntityType aType; |
| 125 | |
| 126 | if ( !DisplayFreeNodes ) |
| 127 | return; |
| 128 | |
| 129 | TColStd_PackedMapOfInteger anIDs; |
| 130 | anIDs.Assign( IDs ); |
| 131 | if ( !HasSelectFlag && !HasHilightFlag ) |
| 132 | { |
| 133 | // subtract the hidden nodes and ids to exclude (to minimize allocated memory) |
| 134 | Handle(TColStd_HPackedMapOfInteger) aHiddenNodes = myParentMesh->GetHiddenNodes(); |
| 135 | if ( !aHiddenNodes.IsNull() ) |
| 136 | anIDs.Subtract( aHiddenNodes->Map() ); |
| 137 | } |
| 138 | anIDs.Subtract( IDsToExclude ); |
| 139 | |
| 140 | Standard_Integer upper = anIDs.Extent(); |
| 141 | if ( upper<=0 ) |
| 142 | return; |
| 143 | |
| 144 | Handle(Graphic3d_ArrayOfPoints) aNodePoints = new Graphic3d_ArrayOfPoints (upper); |
| 145 | Standard_Integer k=0; |
| 146 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
| 147 | for( ; it.More(); it.Next() ) |
| 148 | { |
| 149 | Standard_Integer aKey = it.Key(); |
| 150 | if ( aSource->GetGeom ( aKey, Standard_False, aCoords, NbNodes, aType ) ) |
| 151 | { |
| 152 | if ( IsExcludingOn() ) |
| 153 | IDsToExclude.Add (aKey); |
| 154 | k++; |
| 155 | aNodePoints->AddVertex (aCoords(1), aCoords(2), aCoords(3)); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | if ( k>0 ) |
| 160 | { |
| 161 | Prs3d_Root::NewGroup ( Prs ); |
| 162 | Handle (Graphic3d_Group) aNodeGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 163 | aNodeGroup->SetPrimitivesAspect ( aNodeMark ); |
| 164 | aNodeGroup->AddPrimitiveArray (aNodePoints); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | //================================================================ |
| 169 | // Function : BuildElements |
| 170 | // Purpose : |
| 171 | //================================================================ |
| 172 | void MeshVS_MeshPrsBuilder::BuildElements( const Handle(Prs3d_Presentation)& Prs, |
| 173 | const TColStd_PackedMapOfInteger& IDs, |
| 174 | TColStd_PackedMapOfInteger& IDsToExclude, |
| 175 | const Standard_Integer DisplayMode ) const |
| 176 | { |
| 177 | Standard_Integer maxnodes; |
| 178 | |
| 179 | Handle(MeshVS_DataSource) aSource = GetDataSource(); |
| 180 | if ( aSource.IsNull() ) |
| 181 | return; |
| 182 | |
| 183 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
| 184 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
| 185 | maxnodes <= 0 ) |
| 186 | return; |
| 187 | |
| 188 | //----------- extract useful display mode flags ---------- |
| 189 | Standard_Integer aDispMode = ( DisplayMode & GetFlags() ); |
| 190 | if ( ( aDispMode & MeshVS_DMF_DeformedMask) != 0 ) |
| 191 | { |
| 192 | aDispMode /= MeshVS_DMF_DeformedPrsWireFrame; |
| 193 | // This transformation turns deformed mesh flags to real display modes |
| 194 | } |
| 195 | aDispMode &= MeshVS_DMF_OCCMask; |
| 196 | //-------------------------------------------------------- |
| 197 | |
| 198 | Standard_Real aShrinkCoef; |
| 199 | aDrawer->GetDouble ( MeshVS_DA_ShrinkCoeff, aShrinkCoef ); |
| 200 | |
| 201 | Standard_Boolean IsWireFrame = ( aDispMode==MeshVS_DMF_WireFrame ), |
| 202 | IsShading = ( aDispMode==MeshVS_DMF_Shading ), |
| 203 | IsShrink = ( aDispMode==MeshVS_DMF_Shrink ), |
| 204 | HasHilightFlag = ( ( DisplayMode & MeshVS_DMF_HilightPrs ) != 0 ), |
| 205 | HasSelectFlag = ( ( DisplayMode & MeshVS_DMF_SelectionPrs ) != 0 ), |
| 206 | IsMeshReflect, IsMeshAllowOverlap, IsReflect, IsMeshSmoothShading = Standard_False; |
| 207 | |
| 208 | aDrawer->GetBoolean ( MeshVS_DA_Reflection, IsMeshReflect ); |
| 209 | aDrawer->GetBoolean ( MeshVS_DA_IsAllowOverlapped, IsMeshAllowOverlap ); |
| 210 | IsReflect = ( IsMeshReflect && !HasHilightFlag ); |
| 211 | aDrawer->GetBoolean ( MeshVS_DA_SmoothShading, IsMeshSmoothShading ); |
| 212 | |
| 213 | // display mode for highlighted prs of groups |
| 214 | IsShrink = ( IsShrink && !HasHilightFlag ); |
| 215 | IsShading = ( IsShading || HasHilightFlag ); |
| 216 | |
| 217 | //---------- Creating AspectFillArea3d and AspectLine3d ------------- |
| 218 | Graphic3d_MaterialAspect AMat; |
| 219 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
| 220 | if ( !IsReflect ) |
| 221 | { |
| 222 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
| 223 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
| 224 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
| 225 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
| 226 | } |
| 227 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
| 228 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d ( GetDrawer() ); |
| 229 | //------------------------------------------------------------------- |
| 230 | |
| 231 | Standard_Boolean IsOverlapControl = |
| 232 | !IsMeshAllowOverlap && ( IsWireFrame || IsShading ) && !HasSelectFlag; |
| 233 | |
| 234 | // subtract the hidden elements and ids to exclude (to minimize allocated memory) |
| 235 | TColStd_PackedMapOfInteger anIDs; |
| 236 | anIDs.Assign( IDs ); |
| 237 | Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems(); |
| 238 | if ( !aHiddenElems.IsNull() ) |
| 239 | anIDs.Subtract( aHiddenElems->Map() ); |
| 240 | anIDs.Subtract( IDsToExclude ); |
| 241 | |
| 242 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
| 243 | TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); |
| 244 | |
| 245 | Standard_Boolean showEdges = Standard_True; |
| 246 | aDrawer->GetBoolean( MeshVS_DA_ShowEdges, showEdges ); |
| 247 | |
| 248 | showEdges = IsWireFrame || showEdges; |
| 249 | |
| 250 | Standard_Integer* aNodesBuf = (Standard_Integer*) alloca (maxnodes * sizeof (Standard_Integer)); |
| 251 | Standard_Real* aCoordsBuf = (Standard_Real*) alloca (3 * maxnodes * sizeof (Standard_Real)); |
| 252 | |
| 253 | TColStd_Array1OfInteger aNodes (*aNodesBuf, 1, maxnodes); |
| 254 | TColStd_Array1OfReal aCoords (*aCoordsBuf, 1, 3 * maxnodes); |
| 255 | |
| 256 | Standard_Integer aNbFacePrimitives = 0; |
| 257 | Standard_Integer aNbVolmPrimitives = 0; |
| 258 | Standard_Integer aNbEdgePrimitives = 0; |
| 259 | Standard_Integer aNbLinkPrimitives = 0; |
| 260 | |
| 261 | MeshVS_EntityType aType; |
| 262 | |
| 263 | for (it.Reset(); it.More(); it.Next()) |
| 264 | { |
| 265 | Standard_Integer aNbNodes = 0; |
| 266 | |
| 267 | if (!aSource->GetGeom (it.Key(), Standard_True, aCoords, aNbNodes, aType)) |
| 268 | continue; |
| 269 | |
| 270 | if (aType == MeshVS_ET_Volume) |
| 271 | { |
| 272 | if (aSource->Get3DGeom (it.Key(), aNbNodes, aTopo)) |
| 273 | { |
| 274 | for (Standard_Integer aFaceIdx = aTopo->Lower(); aFaceIdx <= aTopo->Upper(); ++aFaceIdx) |
| 275 | { |
| 276 | const TColStd_SequenceOfInteger& aFaceNodes = aTopo->Value (aFaceIdx); |
| 277 | |
| 278 | if (showEdges) // add edge segments |
| 279 | { |
| 280 | aNbEdgePrimitives += aFaceNodes.Length(); |
| 281 | } |
| 282 | |
| 283 | if (IsShading || IsShrink) // add volumetric cell triangles |
| 284 | { |
| 285 | if (!HasSelectFlag) |
| 286 | aNbVolmPrimitives += aFaceNodes.Length() - 2; |
| 287 | } |
| 288 | } |
| 289 | } |
| 290 | } |
| 291 | else if (aType == MeshVS_ET_Link) |
| 292 | { |
| 293 | if (showEdges) |
| 294 | { |
| 295 | aNbLinkPrimitives += 1; // add link segment |
| 296 | } |
| 297 | } |
| 298 | else if (aType == MeshVS_ET_Face) |
| 299 | { |
| 300 | if (showEdges) |
| 301 | { |
| 302 | aNbEdgePrimitives += aNbNodes; // add edge segments |
| 303 | } |
| 304 | |
| 305 | if (!IsOverlapControl || IsShading) |
| 306 | { |
| 307 | if ((IsShading || IsShrink) && !HasSelectFlag) |
| 308 | { |
| 309 | aNbFacePrimitives += aNbNodes - 2; // add face triangles |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | // Here we do not use indices arrays because they are not effective for some mesh |
| 316 | // drawing modes: shrinking mode (displaces the vertices inside the polygon), 3D |
| 317 | // cell rendering (normal interpolation is not always applicable - flat shading), |
| 318 | // elemental coloring (color interpolation is impossible) |
| 319 | Handle (Graphic3d_ArrayOfTriangles) aVolmTriangles = |
| 320 | new Graphic3d_ArrayOfTriangles (aNbVolmPrimitives * 3, 0, IsReflect); |
| 321 | Handle (Graphic3d_ArrayOfTriangles) aFaceTriangles = |
| 322 | new Graphic3d_ArrayOfTriangles (aNbFacePrimitives * 3, 0, IsReflect); |
| 323 | |
| 324 | Handle (Graphic3d_ArrayOfSegments) aLinkSegments; |
| 325 | Handle (Graphic3d_ArrayOfSegments) aEdgeSegments; |
| 326 | |
| 327 | if (showEdges) |
| 328 | { |
| 329 | aLinkSegments = new Graphic3d_ArrayOfSegments (aNbLinkPrimitives * 2); |
| 330 | aEdgeSegments = new Graphic3d_ArrayOfSegments (aNbEdgePrimitives * 2); |
| 331 | } |
| 332 | |
| 333 | TColStd_PackedMapOfInteger aCustomElements; |
| 334 | |
| 335 | Quantity_Color anOldEdgeColor; |
| 336 | Quantity_Color anEdgeColor; |
| 337 | Quantity_Color anIntColor; |
| 338 | Aspect_InteriorStyle anIntType; |
| 339 | Aspect_TypeOfLine aLine; |
| 340 | Standard_Real aWidth; |
| 341 | |
| 342 | aFill->Values (anIntType, anIntColor, anEdgeColor, aLine, aWidth); |
| 343 | |
| 344 | MeshVS_MapOfTwoNodes aLinkNodes; |
| 345 | |
| 346 | // Forbid drawings of edges which overlap with some links |
| 347 | if (showEdges && IsOverlapControl) |
| 348 | { |
| 349 | for (it.Reset(); it.More(); it.Next()) |
| 350 | { |
| 351 | if (aSource->GetGeomType (it.Key(), Standard_True, aType) && aType == MeshVS_ET_Link) |
| 352 | { |
| 353 | Standard_Integer aNbNodes; |
| 354 | |
| 355 | if (aSource->GetNodesByElement (it.Key(), aNodes, aNbNodes) && aNbNodes == 2) |
| 356 | { |
| 357 | aLinkNodes.Add (MeshVS_TwoNodes (aNodes(1), aNodes(2))); |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | NCollection_Map<MeshVS_NodePair, MeshVS_SymmetricPairHasher> aSegmentMap; |
| 364 | |
| 365 | for (it.Reset(); it.More(); it.Next()) |
| 366 | { |
| 367 | const Standard_Integer aKey = it.Key(); |
| 368 | |
| 369 | Standard_Integer NbNodes; |
| 370 | if (!aSource->GetGeom (aKey, Standard_True, aCoords, NbNodes, aType)) |
| 371 | continue; |
| 372 | |
| 373 | if (!aSource->GetNodesByElement (aKey, aNodes, NbNodes)) |
| 374 | continue; |
| 375 | |
| 376 | switch (aType) |
| 377 | { |
| 378 | case MeshVS_ET_Volume: |
| 379 | { |
| 380 | if (IsExcludingOn()) |
| 381 | IDsToExclude.Add (aKey); |
| 382 | |
| 383 | if (aSource->Get3DGeom (aKey, NbNodes, aTopo)) |
| 384 | { |
| 385 | // Add wire-frame presentation (draw edges for shading mode as well) |
| 386 | if (showEdges) |
| 387 | { |
| 388 | AddVolumePrs (aTopo, aCoords, NbNodes, |
| 389 | aEdgeSegments, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef); |
| 390 | } |
| 391 | |
| 392 | // Add shading presentation |
| 393 | if ((IsShading || IsShrink) && !HasSelectFlag) |
| 394 | { |
| 395 | AddVolumePrs (aTopo, aCoords, NbNodes, |
| 396 | aVolmTriangles, IsReflect, IsShrink, HasSelectFlag, aShrinkCoef); |
| 397 | } |
| 398 | } |
| 399 | } |
| 400 | break; |
| 401 | |
| 402 | case MeshVS_ET_Link: |
| 403 | { |
| 404 | if (IsExcludingOn()) |
| 405 | IDsToExclude.Add (aKey); |
| 406 | |
| 407 | if (showEdges) |
| 408 | { |
| 409 | AddLinkPrs (aCoords, aLinkSegments, IsShrink || HasSelectFlag, aShrinkCoef); |
| 410 | } |
| 411 | } |
| 412 | break; |
| 413 | |
| 414 | case MeshVS_ET_Face: |
| 415 | { |
| 416 | if (IsExcludingOn()) |
| 417 | IDsToExclude.Add (aKey); |
| 418 | |
| 419 | if (showEdges && IsOverlapControl) |
| 420 | { |
| 421 | Standard_Integer Last = 0; |
| 422 | |
| 423 | MeshVS_TwoNodes aTwoNodes (aNodes (1)); |
| 424 | |
| 425 | for (Standard_Integer i = 1; i <= NbNodes; ++i) |
| 426 | { |
| 427 | if (i > 1) |
| 428 | aTwoNodes.First = aTwoNodes.Second; |
| 429 | |
| 430 | aTwoNodes.Second = (i < NbNodes) ? aNodes (i+1) : aNodes (1); |
| 431 | |
| 432 | if (aLinkNodes.Contains (aTwoNodes)) |
| 433 | { |
| 434 | for (Standard_Integer aNodeIdx = Last + 1; aNodeIdx < i; ++aNodeIdx) |
| 435 | { |
| 436 | const Standard_Integer aNextIdx = aNodeIdx + 1; |
| 437 | |
| 438 | aEdgeSegments->AddVertex ( |
| 439 | aCoords (3 * aNodeIdx - 2), aCoords (3 * aNodeIdx - 1), aCoords (3 * aNodeIdx)); |
| 440 | aEdgeSegments->AddVertex ( |
| 441 | aCoords (3 * aNextIdx - 2), aCoords (3 * aNextIdx - 1), aCoords (3 * aNextIdx)); |
| 442 | } |
| 443 | |
| 444 | Last = i; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | if (NbNodes - Last > 0) |
| 449 | { |
| 450 | for (Standard_Integer aNodeIdx = Last; aNodeIdx < NbNodes; ++aNodeIdx) |
| 451 | { |
| 452 | const Standard_Integer aNextIdx = (aNodeIdx + 1) % NbNodes; |
| 453 | |
| 454 | const MeshVS_NodePair aSegment (aNodes (aNodeIdx + 1), |
| 455 | aNodes (aNextIdx + 1)); |
| 456 | |
| 457 | if (!aSegmentMap.Contains (aSegment)) |
| 458 | { |
| 459 | aEdgeSegments->AddVertex (aCoords (3 * aNodeIdx + 1), |
| 460 | aCoords (3 * aNodeIdx + 2), |
| 461 | aCoords (3 * aNodeIdx + 3)); |
| 462 | |
| 463 | aEdgeSegments->AddVertex (aCoords (3 * aNextIdx + 1), |
| 464 | aCoords (3 * aNextIdx + 2), |
| 465 | aCoords (3 * aNextIdx + 3)); |
| 466 | |
| 467 | aSegmentMap.Add (aSegment); |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | if (!IsOverlapControl || IsShading) |
| 474 | { |
| 475 | if (!IsOverlapControl && showEdges) |
| 476 | { |
| 477 | AddFaceWirePrs (aCoords, NbNodes, |
| 478 | aEdgeSegments, IsShrink || HasSelectFlag, aShrinkCoef); |
| 479 | } |
| 480 | |
| 481 | if ((IsShading || IsShrink) && !HasSelectFlag) |
| 482 | { |
| 483 | AddFaceSolidPrs (aKey, aCoords, NbNodes, maxnodes, aFaceTriangles, IsReflect, |
| 484 | IsShrink || HasSelectFlag, aShrinkCoef, IsMeshSmoothShading); |
| 485 | } |
| 486 | } |
| 487 | } |
| 488 | break; |
| 489 | |
| 490 | default: |
| 491 | { |
| 492 | aCustomElements.Add (aKey); |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | if (IsShrink) |
| 498 | { |
| 499 | anOldEdgeColor = anEdgeColor; |
| 500 | aFill->SetEdgeColor (Quantity_NOC_BLACK); |
| 501 | } |
| 502 | |
| 503 | //std::cout << "Actual extents: " << std::endl |
| 504 | // << "Face tris: " << aFaceTriangles->ItemNumber() << " from " << aNbFacePrimitives << std::endl |
| 505 | // << "Volm tris: " << aVolmTriangles->ItemNumber() << " from " << aNbVolmPrimitives << std::endl |
| 506 | // << "Face segs: " << aEdgeSegments->ItemNumber() << " from " << aNbEdgePrimitives << std::endl |
| 507 | // << "Link segs: " << aLinkSegments->ItemNumber() << " from " << aNbLinkPrimitives << std::endl; |
| 508 | |
| 509 | DrawArrays ( Prs, aFaceTriangles, aEdgeSegments, aLinkSegments, aVolmTriangles, |
| 510 | !showEdges, HasSelectFlag, aFill, aBeam ); |
| 511 | |
| 512 | if ( !aCustomElements.IsEmpty() ) |
| 513 | CustomBuild ( Prs, aCustomElements, IDsToExclude, DisplayMode ); |
| 514 | |
| 515 | if( IsShrink ) |
| 516 | aFill->SetEdgeColor( anOldEdgeColor ); |
| 517 | } |
| 518 | |
| 519 | //================================================================ |
| 520 | // Function : BuildHilightPrs |
| 521 | // Purpose : |
| 522 | //================================================================ |
| 523 | void MeshVS_MeshPrsBuilder::BuildHilightPrs ( const Handle(Prs3d_Presentation)& Prs, |
| 524 | const TColStd_PackedMapOfInteger& IDs, |
| 525 | const Standard_Boolean IsElement ) const |
| 526 | { |
| 527 | Standard_Integer maxnodes; |
| 528 | |
| 529 | Handle (MeshVS_DataSource) aSource = GetDataSource(); |
| 530 | if ( aSource.IsNull() || IDs.IsEmpty() ) |
| 531 | return; |
| 532 | |
| 533 | Handle( MeshVS_Drawer ) aDrawer = GetDrawer(); |
| 534 | if ( aDrawer.IsNull() || !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, maxnodes ) || |
| 535 | maxnodes <= 0 ) |
| 536 | return; |
| 537 | |
| 538 | MeshVS_Buffer aCoordsBuf (3*maxnodes*sizeof(Standard_Real)); |
| 539 | TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*maxnodes); |
| 540 | |
| 541 | Graphic3d_MaterialAspect AMat; |
| 542 | aDrawer->GetMaterial ( MeshVS_DA_FrontMaterial, AMat ); |
| 543 | AMat.SetReflectionModeOff(Graphic3d_TOR_AMBIENT); |
| 544 | AMat.SetReflectionModeOff(Graphic3d_TOR_DIFFUSE); |
| 545 | AMat.SetReflectionModeOff(Graphic3d_TOR_SPECULAR); |
| 546 | AMat.SetReflectionModeOff(Graphic3d_TOR_EMISSION); |
| 547 | |
| 548 | Handle( Graphic3d_AspectFillArea3d ) aFill = MeshVS_Tool::CreateAspectFillArea3d( GetDrawer(), AMat ); |
| 549 | Handle( Graphic3d_AspectLine3d ) aBeam = MeshVS_Tool::CreateAspectLine3d( GetDrawer() ); |
| 550 | Handle( Graphic3d_AspectMarker3d ) aNodeMark = MeshVS_Tool::CreateAspectMarker3d( GetDrawer() ); |
| 551 | |
| 552 | // Hilight one element or node |
| 553 | TColStd_MapIteratorOfPackedMapOfInteger it (IDs); |
| 554 | Standard_Integer ID = it.Key(), NbNodes; |
| 555 | MeshVS_EntityType aType; |
| 556 | |
| 557 | if ( !aSource->GetGeom ( ID, IsElement, aCoords, NbNodes, aType ) ) |
| 558 | return; |
| 559 | |
| 560 | Prs3d_Root::NewGroup ( Prs ); |
| 561 | Handle (Graphic3d_Group) aHilightGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 562 | |
| 563 | switch ( aType ) |
| 564 | { |
| 565 | case MeshVS_ET_Node : |
| 566 | { |
| 567 | aHilightGroup->SetPrimitivesAspect (aNodeMark); |
| 568 | Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1); |
| 569 | anArrayOfPoints->AddVertex (aCoords(1), aCoords(2), aCoords(3)); |
| 570 | aHilightGroup->AddPrimitiveArray (anArrayOfPoints); |
| 571 | } |
| 572 | break; |
| 573 | |
| 574 | case MeshVS_ET_Link: |
| 575 | { |
| 576 | aHilightGroup->SetPrimitivesAspect ( aBeam ); |
| 577 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
| 578 | aPrims->AddVertex(aCoords(1),aCoords(2),aCoords(3)); |
| 579 | aPrims->AddVertex(aCoords(4),aCoords(5),aCoords(6)); |
| 580 | aHilightGroup->AddPrimitiveArray(aPrims); |
| 581 | } |
| 582 | break; |
| 583 | |
| 584 | case MeshVS_ET_Face: |
| 585 | if ( NbNodes > 0 ) |
| 586 | { |
| 587 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
| 588 | Handle(Graphic3d_ArrayOfPolygons) aPrims = new Graphic3d_ArrayOfPolygons(NbNodes); |
| 589 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
| 590 | aPrims->AddVertex(aCoords(3*k-2),aCoords(3*k-1),aCoords(3*k)); |
| 591 | aHilightGroup->AddPrimitiveArray(aPrims); |
| 592 | } |
| 593 | break; |
| 594 | |
| 595 | case MeshVS_ET_Volume: |
| 596 | if( NbNodes > 0 ) |
| 597 | { |
| 598 | Handle( MeshVS_HArray1OfSequenceOfInteger ) aTopo; |
| 599 | |
| 600 | aHilightGroup->SetPrimitivesAspect ( aFill ); |
| 601 | |
| 602 | if( aSource->Get3DGeom( ID, NbNodes, aTopo ) ) |
| 603 | { |
| 604 | const Standard_Integer up = aTopo->Upper(); |
| 605 | const Standard_Integer lo = aTopo->Lower(); |
| 606 | Standard_Integer nbnodes = 0, i, j; |
| 607 | for( i=lo; i<=up; i++ ) |
| 608 | nbnodes += aTopo->Value( i ).Length(); |
| 609 | |
| 610 | Handle(Graphic3d_ArrayOfPolygons) aPrims = new Graphic3d_ArrayOfPolygons(nbnodes,aTopo->Length()); |
| 611 | for( i=lo; i<=up; i++ ) |
| 612 | { |
| 613 | const TColStd_SequenceOfInteger& aSeq = aTopo->Value( i ); |
| 614 | const Standard_Integer m = aSeq.Length(); |
| 615 | aPrims->AddBound(m); |
| 616 | for( j=1; j<=m; j++ ) |
| 617 | { |
| 618 | const Standard_Integer ind = 3*aSeq.Value( j ); |
| 619 | aPrims->AddVertex(aCoords(ind+1),aCoords(ind+2),aCoords(ind+3)); |
| 620 | } |
| 621 | } |
| 622 | aHilightGroup->AddPrimitiveArray(aPrims); |
| 623 | } |
| 624 | } |
| 625 | break; |
| 626 | |
| 627 | default: |
| 628 | { |
| 629 | TColStd_PackedMapOfInteger tmp; |
| 630 | CustomBuild ( Prs, IDs, tmp, MeshVS_DMF_HilightPrs ); |
| 631 | } |
| 632 | break; |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | //================================================================ |
| 637 | // Function : AddLinkPrs |
| 638 | // Purpose : |
| 639 | //================================================================ |
| 640 | void MeshVS_MeshPrsBuilder::AddLinkPrs (const TColStd_Array1OfReal& theCoords, |
| 641 | const Handle(Graphic3d_ArrayOfSegments)& theSegments, |
| 642 | const Standard_Boolean theIsShrinked, |
| 643 | const Standard_Real theShrinkCoef) const |
| 644 | { |
| 645 | Standard_Real aX1 = theCoords (1); |
| 646 | Standard_Real aY1 = theCoords (2); |
| 647 | Standard_Real aZ1 = theCoords (3); |
| 648 | Standard_Real aX2 = theCoords (4); |
| 649 | Standard_Real aY2 = theCoords (5); |
| 650 | Standard_Real aZ2 = theCoords (6); |
| 651 | |
| 652 | if (theIsShrinked) |
| 653 | { |
| 654 | const Standard_Real xG = (aX1 + aX2) * 0.5; |
| 655 | const Standard_Real yG = (aY1 + aY2) * 0.5; |
| 656 | const Standard_Real zG = (aZ1 + aZ2) * 0.5; |
| 657 | |
| 658 | aX1 = (aX1 - xG) * theShrinkCoef + xG; |
| 659 | aY1 = (aY1 - yG) * theShrinkCoef + yG; |
| 660 | aZ1 = (aZ1 - zG) * theShrinkCoef + zG; |
| 661 | |
| 662 | aX2 = 2.0 * xG - aX1; |
| 663 | aY2 = 2.0 * yG - aY1; |
| 664 | aZ2 = 2.0 * zG - aZ1; |
| 665 | } |
| 666 | |
| 667 | theSegments->AddVertex (aX1, aY1, aZ1); |
| 668 | theSegments->AddVertex (aX2, aY2, aZ2); |
| 669 | } |
| 670 | |
| 671 | //================================================================ |
| 672 | // Function : AddFaceWirePrs |
| 673 | // Purpose : |
| 674 | //================================================================ |
| 675 | void MeshVS_MeshPrsBuilder::AddFaceWirePrs (const TColStd_Array1OfReal& theCoords, |
| 676 | const Standard_Integer theNbNodes, |
| 677 | const Handle(Graphic3d_ArrayOfSegments)& theSegments, |
| 678 | const Standard_Boolean theIsShrinked, |
| 679 | const Standard_Real theShrinkingCoef) const |
| 680 | { |
| 681 | Standard_Real aCenterX = 0.0; |
| 682 | Standard_Real aCenterY = 0.0; |
| 683 | Standard_Real aCenterZ = 0.0; |
| 684 | |
| 685 | if (theIsShrinked) |
| 686 | { |
| 687 | CalculateCenter (theCoords, theNbNodes, aCenterX, aCenterY, aCenterZ); |
| 688 | } |
| 689 | |
| 690 | NCollection_Vector<gp_XYZ> aNodes (theNbNodes); |
| 691 | |
| 692 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < theNbNodes; ++aNodeIdx) |
| 693 | { |
| 694 | gp_XYZ aPnt (theCoords (3 * aNodeIdx + 1), |
| 695 | theCoords (3 * aNodeIdx + 2), |
| 696 | theCoords (3 * aNodeIdx + 3)); |
| 697 | |
| 698 | if (theIsShrinked) |
| 699 | { |
| 700 | aPnt.SetX ((aPnt.X() - aCenterX) * theShrinkingCoef + aCenterX); |
| 701 | aPnt.SetY ((aPnt.Y() - aCenterY) * theShrinkingCoef + aCenterY); |
| 702 | aPnt.SetZ ((aPnt.Z() - aCenterZ) * theShrinkingCoef + aCenterZ); |
| 703 | } |
| 704 | |
| 705 | aNodes.Append (aPnt); |
| 706 | } |
| 707 | |
| 708 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < theNbNodes; ++aNodeIdx) |
| 709 | { |
| 710 | theSegments->AddVertex (aNodes.Value (aNodeIdx).X(), |
| 711 | aNodes.Value (aNodeIdx).Y(), |
| 712 | aNodes.Value (aNodeIdx).Z()); |
| 713 | |
| 714 | const Standard_Integer aNextIdx = (aNodeIdx + 1) % theNbNodes; |
| 715 | |
| 716 | theSegments->AddVertex (aNodes.Value (aNextIdx).X(), |
| 717 | aNodes.Value (aNextIdx).Y(), |
| 718 | aNodes.Value (aNextIdx).Z()); |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | //================================================================ |
| 723 | // Function : AddFaceSolidPrs |
| 724 | // Purpose : |
| 725 | //================================================================ |
| 726 | void MeshVS_MeshPrsBuilder::AddFaceSolidPrs (const Standard_Integer theID, |
| 727 | const TColStd_Array1OfReal& theCoords, |
| 728 | const Standard_Integer theNbNodes, |
| 729 | const Standard_Integer theMaxNodes, |
| 730 | const Handle(Graphic3d_ArrayOfTriangles)& theTriangles, |
| 731 | const Standard_Boolean theIsShaded, |
| 732 | const Standard_Boolean theIsShrinked, |
| 733 | const Standard_Real theShrinkingCoef, |
| 734 | const Standard_Boolean theIsSmoothShading) const |
| 735 | { |
| 736 | Handle(MeshVS_DataSource) aDataSource = myParentMesh->GetDataSource(); |
| 737 | |
| 738 | if (aDataSource.IsNull()) |
| 739 | return; |
| 740 | |
| 741 | Standard_Real aCenterX = 0.0; |
| 742 | Standard_Real aCenterY = 0.0; |
| 743 | Standard_Real aCenterZ = 0.0; |
| 744 | Standard_Real aNormalX = 0.0; |
| 745 | Standard_Real aNormalY = 0.0; |
| 746 | Standard_Real aNormalZ = 0.0; |
| 747 | |
| 748 | if (theIsShrinked) |
| 749 | { |
| 750 | CalculateCenter (theCoords, theNbNodes, aCenterX, aCenterY, aCenterZ); |
| 751 | } |
| 752 | |
| 753 | NCollection_Vector<gp_XYZ> aVertexNormals (theMaxNodes); |
| 754 | |
| 755 | if (theIsShaded) |
| 756 | { |
| 757 | if (theIsSmoothShading) |
| 758 | { |
| 759 | for (Standard_Integer aNodeIdx = 1; aNodeIdx <= theNbNodes; ++aNodeIdx) |
| 760 | { |
| 761 | if (!aDataSource->GetNodeNormal (aNodeIdx, theID, aNormalX, aNormalY, aNormalZ)) |
| 762 | break; |
| 763 | |
| 764 | aVertexNormals.Append (gp_XYZ (aNormalX, aNormalY, aNormalZ)); |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | if (!theIsSmoothShading || aVertexNormals.Size() != theNbNodes) |
| 769 | { |
| 770 | aDataSource->GetNormal (theID, theMaxNodes, aNormalX, aNormalY, aNormalZ); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | NCollection_Vector<gp_XYZ> aNodes (theMaxNodes); |
| 775 | |
| 776 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < theNbNodes; ++aNodeIdx) |
| 777 | { |
| 778 | gp_XYZ aPnt (theCoords (3 * aNodeIdx + 1), |
| 779 | theCoords (3 * aNodeIdx + 2), |
| 780 | theCoords (3 * aNodeIdx + 3)); |
| 781 | |
| 782 | if (theIsShrinked) |
| 783 | { |
| 784 | aPnt.SetX ((aPnt.X() - aCenterX) * theShrinkingCoef + aCenterX); |
| 785 | aPnt.SetY ((aPnt.Y() - aCenterY) * theShrinkingCoef + aCenterY); |
| 786 | aPnt.SetZ ((aPnt.Z() - aCenterZ) * theShrinkingCoef + aCenterZ); |
| 787 | } |
| 788 | |
| 789 | aNodes.Append (aPnt); |
| 790 | } |
| 791 | |
| 792 | // Triangulate polygon |
| 793 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < theNbNodes - 2; ++aNodeIdx) |
| 794 | { |
| 795 | for (Standard_Integer aSubIdx = 0; aSubIdx < 3; ++aSubIdx) |
| 796 | { |
| 797 | if (theIsShaded) |
| 798 | { |
| 799 | if (theIsSmoothShading && aVertexNormals.Size() == theNbNodes) |
| 800 | { |
| 801 | aNormalX = aVertexNormals.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).X(); |
| 802 | aNormalY = aVertexNormals.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Y(); |
| 803 | aNormalZ = aVertexNormals.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Z(); |
| 804 | } |
| 805 | |
| 806 | theTriangles->AddVertex (aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).X(), |
| 807 | aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Y(), |
| 808 | aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Z(), |
| 809 | aNormalX, |
| 810 | aNormalY, |
| 811 | aNormalZ); |
| 812 | } |
| 813 | else |
| 814 | { |
| 815 | theTriangles->AddVertex (aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).X(), |
| 816 | aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Y(), |
| 817 | aNodes.Value (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)).Z()); |
| 818 | } |
| 819 | } |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | //================================================================ |
| 824 | // Function : AddVolumePrs |
| 825 | // Purpose : |
| 826 | //================================================================ |
| 827 | void MeshVS_MeshPrsBuilder::AddVolumePrs (const Handle(MeshVS_HArray1OfSequenceOfInteger)& theTopo, |
| 828 | const TColStd_Array1OfReal& theNodes, |
| 829 | const Standard_Integer theNbNodes, |
| 830 | const Handle(Graphic3d_ArrayOfPrimitives)& theArray, |
| 831 | const Standard_Boolean theIsShaded, |
| 832 | const Standard_Boolean theIsShrinked, |
| 833 | const Standard_Boolean theIsSelected, |
| 834 | const Standard_Real theShrinkCoef) |
| 835 | { |
| 836 | Standard_Real aCenter[] = { 0.0, 0.0, 0.0 }; |
| 837 | |
| 838 | Standard_Integer aLow = theNodes.Lower(); |
| 839 | |
| 840 | if (theTopo.IsNull() || theArray.IsNull()) |
| 841 | return; |
| 842 | |
| 843 | if (theIsShrinked) |
| 844 | { |
| 845 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < 3 * theNbNodes; ++aNodeIdx) |
| 846 | { |
| 847 | aCenter[aNodeIdx % 3] += theNodes.Value (aLow + aNodeIdx); |
| 848 | } |
| 849 | |
| 850 | aCenter[0] /= theNbNodes; |
| 851 | aCenter[1] /= theNbNodes; |
| 852 | aCenter[2] /= theNbNodes; |
| 853 | } |
| 854 | |
| 855 | Standard_Boolean aIsPolygons = theArray->IsKind (STANDARD_TYPE (Graphic3d_ArrayOfTriangles)); |
| 856 | |
| 857 | if (aIsPolygons) |
| 858 | { |
| 859 | for (Standard_Integer aFaceIdx = theTopo->Lower(), topoup = theTopo->Upper(); aFaceIdx <= topoup; ++aFaceIdx) |
| 860 | { |
| 861 | const TColStd_SequenceOfInteger& aFaceNodes = theTopo->Value (aFaceIdx); |
| 862 | const Standard_Integer aNbPolyNodes = aFaceNodes.Length(); |
| 863 | |
| 864 | Standard_Real* aPolyNodesBuf = (Standard_Real*) alloca ((3 * aNbPolyNodes + 1) * sizeof (Standard_Real)); |
| 865 | TColStd_Array1OfReal aPolyNodes (*aPolyNodesBuf, 0, 3 * aNbPolyNodes); |
| 866 | |
| 867 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < aNbPolyNodes; ++aNodeIdx) |
| 868 | { |
| 869 | Standard_Integer anIdx = aFaceNodes.Value (aNodeIdx + 1); |
| 870 | |
| 871 | Standard_Real aX = theNodes.Value (aLow + 3 * anIdx + 0); |
| 872 | Standard_Real aY = theNodes.Value (aLow + 3 * anIdx + 1); |
| 873 | Standard_Real aZ = theNodes.Value (aLow + 3 * anIdx + 2); |
| 874 | |
| 875 | if (theIsShrinked) |
| 876 | { |
| 877 | aX = aCenter[0] + theShrinkCoef * (aX - aCenter[0]); |
| 878 | aY = aCenter[1] + theShrinkCoef * (aY - aCenter[1]); |
| 879 | aZ = aCenter[2] + theShrinkCoef * (aZ - aCenter[2]); |
| 880 | } |
| 881 | |
| 882 | aPolyNodes.SetValue (3 * aNodeIdx + 1, aX); |
| 883 | aPolyNodes.SetValue (3 * aNodeIdx + 2, aY); |
| 884 | aPolyNodes.SetValue (3 * aNodeIdx + 3, aZ); |
| 885 | } |
| 886 | |
| 887 | gp_Vec aNorm; |
| 888 | |
| 889 | if (theIsShaded) |
| 890 | { |
| 891 | aPolyNodes.SetValue (0, aNbPolyNodes); |
| 892 | |
| 893 | if (!MeshVS_Tool::GetAverageNormal (aPolyNodes, aNorm)) |
| 894 | { |
| 895 | aNorm.SetCoord (0.0, 0.0, 1.0); |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | for (Standard_Integer aNodeIdx = 0; aNodeIdx < aNbPolyNodes - 2; ++aNodeIdx) // triangulate polygon |
| 900 | { |
| 901 | for (Standard_Integer aSubIdx = 0; aSubIdx < 3; ++aSubIdx) // generate sub-triangle |
| 902 | { |
| 903 | if (theIsShaded) |
| 904 | { |
| 905 | theArray->AddVertex (aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 1), |
| 906 | aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 2), |
| 907 | aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 3), |
| 908 | aNorm.X(), |
| 909 | aNorm.Y(), |
| 910 | aNorm.Z()); |
| 911 | } |
| 912 | else |
| 913 | { |
| 914 | theArray->AddVertex (aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 1), |
| 915 | aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 2), |
| 916 | aPolyNodes.Value (3 * (aSubIdx == 0 ? 0 : (aNodeIdx + aSubIdx)) + 3)); |
| 917 | } |
| 918 | } |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | else if (theIsSelected) |
| 923 | { |
| 924 | for (Standard_Integer aFaceIdx = theTopo->Lower(), topoup = theTopo->Upper(); aFaceIdx <= topoup; ++aFaceIdx) |
| 925 | { |
| 926 | const TColStd_SequenceOfInteger& aFaceNodes = theTopo->Value (aFaceIdx); |
| 927 | |
| 928 | Standard_Real aFaceCenter[] = { 0.0, 0.0, 0.0 }; |
| 929 | |
| 930 | for (Standard_Integer aNodeIdx = 1; aNodeIdx <= aFaceNodes.Length(); ++aNodeIdx) |
| 931 | { |
| 932 | for (Standard_Integer aAxisIdx = 0; aAxisIdx < 3; ++aAxisIdx) |
| 933 | { |
| 934 | aFaceCenter[aAxisIdx] += theNodes.Value (aLow + 3 * aFaceNodes.Value (aNodeIdx) + aAxisIdx); |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | aFaceCenter[0] /= aFaceNodes.Length(); |
| 939 | aFaceCenter[1] /= aFaceNodes.Length(); |
| 940 | aFaceCenter[2] /= aFaceNodes.Length(); |
| 941 | |
| 942 | for (Standard_Integer aNodeIdx = 0, aNbNodes = aFaceNodes.Length(); aNodeIdx < aNbNodes; ++aNodeIdx) |
| 943 | { |
| 944 | for (Standard_Integer aSubIdx = 0; aSubIdx < 2; ++aSubIdx) // add segment |
| 945 | { |
| 946 | Standard_Integer anIdx = aFaceNodes.Value ((aNodeIdx + aSubIdx) % aNbNodes + 1); |
| 947 | |
| 948 | Standard_Real aX = theNodes.Value (aLow + 3 * anIdx + 0); |
| 949 | Standard_Real aY = theNodes.Value (aLow + 3 * anIdx + 1); |
| 950 | Standard_Real aZ = theNodes.Value (aLow + 3 * anIdx + 2); |
| 951 | |
| 952 | theArray->AddVertex (aFaceCenter[0] + theShrinkCoef * (aX - aFaceCenter[0]), |
| 953 | aFaceCenter[1] + theShrinkCoef * (aY - aFaceCenter[1]), |
| 954 | aFaceCenter[2] + theShrinkCoef * (aZ - aFaceCenter[2])); |
| 955 | } |
| 956 | } |
| 957 | } |
| 958 | } |
| 959 | else |
| 960 | { |
| 961 | // Find all pairs of nodes (edges) to draw (will be drawn only once) |
| 962 | NCollection_Map<MeshVS_NodePair, MeshVS_SymmetricPairHasher> aEdgeMap; |
| 963 | |
| 964 | for (Standard_Integer aFaceIdx = theTopo->Lower(), topoup = theTopo->Upper(); aFaceIdx <= topoup; ++aFaceIdx) |
| 965 | { |
| 966 | const TColStd_SequenceOfInteger& aFaceNodes = theTopo->Value (aFaceIdx); |
| 967 | |
| 968 | for (Standard_Integer aNodeIdx = 0, aNbNodes = aFaceNodes.Length(); aNodeIdx < aNbNodes; ++aNodeIdx) |
| 969 | { |
| 970 | const Standard_Integer aNextIdx = (aNodeIdx + 1) % aNbNodes; |
| 971 | |
| 972 | aEdgeMap.Add (MeshVS_NodePair (aFaceNodes.Value (aNodeIdx + 1), |
| 973 | aFaceNodes.Value (aNextIdx + 1))); |
| 974 | } |
| 975 | } |
| 976 | |
| 977 | // Draw edges |
| 978 | for(NCollection_Map<MeshVS_NodePair, MeshVS_SymmetricPairHasher>::Iterator anIt (aEdgeMap); anIt.More(); anIt.Next()) |
| 979 | { |
| 980 | const Standard_Integer anIdx1 = aLow + 3 * anIt.Key().first; |
| 981 | const Standard_Integer anIdx2 = aLow + 3 * anIt.Key().second; |
| 982 | |
| 983 | Standard_Real aX[] = { theNodes.Value (anIdx1 + 0), theNodes.Value (anIdx2 + 0) }; |
| 984 | Standard_Real aY[] = { theNodes.Value (anIdx1 + 1), theNodes.Value (anIdx2 + 1) }; |
| 985 | Standard_Real aZ[] = { theNodes.Value (anIdx1 + 2), theNodes.Value (anIdx2 + 2) }; |
| 986 | |
| 987 | if (theIsShrinked) |
| 988 | { |
| 989 | for (Standard_Integer anAxisIdx = 0; anAxisIdx < 2; ++anAxisIdx) |
| 990 | { |
| 991 | aX[anAxisIdx] = aCenter[0] + theShrinkCoef * (aX[anAxisIdx] - aCenter[0]); |
| 992 | aY[anAxisIdx] = aCenter[1] + theShrinkCoef * (aY[anAxisIdx] - aCenter[1]); |
| 993 | aZ[anAxisIdx] = aCenter[2] + theShrinkCoef * (aZ[anAxisIdx] - aCenter[2]); |
| 994 | } |
| 995 | } |
| 996 | |
| 997 | theArray->AddVertex (aX[0], aY[0], aZ[0]); |
| 998 | theArray->AddVertex (aX[1], aY[1], aZ[1]); |
| 999 | } |
| 1000 | } |
| 1001 | } |
| 1002 | |
| 1003 | //================================================================ |
| 1004 | // Function : HowManyPrimitives |
| 1005 | // Purpose : |
| 1006 | //================================================================ |
| 1007 | void MeshVS_MeshPrsBuilder::HowManyPrimitives (const Handle(MeshVS_HArray1OfSequenceOfInteger)& Topo, |
| 1008 | const Standard_Boolean AsPolygons, |
| 1009 | const Standard_Boolean IsSelect, |
| 1010 | const Standard_Integer NbNodes, |
| 1011 | Standard_Integer& Vertices, |
| 1012 | Standard_Integer& Bounds) |
| 1013 | { |
| 1014 | if( !Topo.IsNull() ) { |
| 1015 | if( AsPolygons || IsSelect ) |
| 1016 | { |
| 1017 | Standard_Integer B = Topo->Upper()-Topo->Lower()+1; |
| 1018 | Bounds += B; |
| 1019 | for( Standard_Integer i=Topo->Lower(), n=Topo->Upper(); i<=n; i++ ) |
| 1020 | Vertices += Topo->Value( i ).Length(); |
| 1021 | |
| 1022 | if( IsSelect ) |
| 1023 | Vertices+=B; |
| 1024 | } |
| 1025 | else |
| 1026 | { |
| 1027 | Standard_Integer F = Topo->Upper()-Topo->Lower()+1, |
| 1028 | E = NbNodes + F - 2; |
| 1029 | // number of edges is obtained by Euler's expression for polyhedrons |
| 1030 | |
| 1031 | Bounds += E; |
| 1032 | Vertices += 2*E; |
| 1033 | } |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | //================================================================ |
| 1038 | // Function : DrawArrays |
| 1039 | // Purpose : |
| 1040 | //================================================================ |
| 1041 | void MeshVS_MeshPrsBuilder::DrawArrays( const Handle(Prs3d_Presentation)& Prs, |
| 1042 | const Handle(Graphic3d_ArrayOfPrimitives)& thePolygons, |
| 1043 | const Handle(Graphic3d_ArrayOfPrimitives)& theLines, |
| 1044 | const Handle(Graphic3d_ArrayOfPrimitives)& theLinkLines, |
| 1045 | const Handle(Graphic3d_ArrayOfPrimitives)& theVolumesInShad, |
| 1046 | const Standard_Boolean IsPolygonsEdgesOff, |
| 1047 | const Standard_Boolean IsSelected, |
| 1048 | const Handle(Graphic3d_AspectFillArea3d)& theFillAsp, |
| 1049 | const Handle(Graphic3d_AspectLine3d)& theLineAsp ) const |
| 1050 | { |
| 1051 | if ( theFillAsp.IsNull() ) |
| 1052 | return; |
| 1053 | |
| 1054 | Standard_Boolean IsFacePolygons = ( !thePolygons.IsNull() && thePolygons->ItemNumber() > 0 ), |
| 1055 | IsVolumePolygons = ( !theVolumesInShad.IsNull() && theVolumesInShad->ItemNumber() > 0 ), |
| 1056 | IsPolygons = IsFacePolygons || IsVolumePolygons, |
| 1057 | IsPolylines = ( !theLines.IsNull() && theLines->ItemNumber() > 0 ), |
| 1058 | IsLinkPolylines = ( !theLinkLines.IsNull() && theLinkLines->ItemNumber() > 0 ); |
| 1059 | |
| 1060 | Aspect_InteriorStyle aStyle; |
| 1061 | Quantity_Color anIntColor, aBackColor, anEdgeColor; |
| 1062 | Aspect_TypeOfLine aType; |
| 1063 | Standard_Real aWidth; |
| 1064 | |
| 1065 | theFillAsp->Values( aStyle, anIntColor, aBackColor, anEdgeColor, aType, aWidth ); |
| 1066 | |
| 1067 | Standard_Boolean isSupressBackFaces = Standard_False; |
| 1068 | Handle(MeshVS_Drawer) aDrawer = GetDrawer(); |
| 1069 | if (!aDrawer.IsNull()) |
| 1070 | { |
| 1071 | aDrawer->GetBoolean (MeshVS_DA_SupressBackFaces, isSupressBackFaces); |
| 1072 | } |
| 1073 | |
| 1074 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()<0.01 ) |
| 1075 | { |
| 1076 | Prs3d_Root::NewGroup ( Prs ); |
| 1077 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 1078 | |
| 1079 | //if ( IsPolygonsEdgesOff ) |
| 1080 | theFillAsp->SetEdgeOff (); |
| 1081 | //else |
| 1082 | // theFillAsp->SetEdgeOn (); |
| 1083 | |
| 1084 | if( anIntColor!=aBackColor ) |
| 1085 | theFillAsp->SetDistinguishOn(); |
| 1086 | else |
| 1087 | theFillAsp->SetDistinguishOff(); |
| 1088 | |
| 1089 | aGroup->SetClosed (isSupressBackFaces); |
| 1090 | Handle(Graphic3d_AspectFillArea3d) aFillAsp = new Graphic3d_AspectFillArea3d (*(theFillAsp.operator->())); |
| 1091 | if (isSupressBackFaces) |
| 1092 | { |
| 1093 | aFillAsp->SuppressBackFace(); |
| 1094 | } |
| 1095 | aGroup->SetPrimitivesAspect (aFillAsp); |
| 1096 | |
| 1097 | if( IsFacePolygons ) |
| 1098 | { |
| 1099 | aGroup->AddPrimitiveArray ( thePolygons ); |
| 1100 | } |
| 1101 | |
| 1102 | if( IsVolumePolygons ) |
| 1103 | { |
| 1104 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | if ( IsPolylines && !IsPolygonsEdgesOff ) |
| 1109 | { |
| 1110 | Prs3d_Root::NewGroup ( Prs ); |
| 1111 | Handle (Graphic3d_Group) aLGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 1112 | |
| 1113 | theFillAsp->SetEdgeOff(); |
| 1114 | if ( IsSelected ) |
| 1115 | aLGroup->SetPrimitivesAspect ( theLineAsp ); |
| 1116 | else |
| 1117 | { |
| 1118 | aLGroup->SetPrimitivesAspect ( theFillAsp ); |
| 1119 | aLGroup->SetPrimitivesAspect ( new Graphic3d_AspectLine3d |
| 1120 | ( anEdgeColor, Aspect_TOL_SOLID, aWidth ) ); |
| 1121 | } |
| 1122 | aLGroup->AddPrimitiveArray ( theLines ); |
| 1123 | theFillAsp->SetEdgeOn(); |
| 1124 | } |
| 1125 | |
| 1126 | if ( IsLinkPolylines ) |
| 1127 | { |
| 1128 | Prs3d_Root::NewGroup ( Prs ); |
| 1129 | Handle (Graphic3d_Group) aBeamGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 1130 | |
| 1131 | theFillAsp->SetEdgeOff(); |
| 1132 | if ( !IsSelected ) |
| 1133 | aBeamGroup->SetPrimitivesAspect ( theFillAsp ); |
| 1134 | aBeamGroup->SetPrimitivesAspect ( theLineAsp ); |
| 1135 | aBeamGroup->AddPrimitiveArray ( theLinkLines ); |
| 1136 | theFillAsp->SetEdgeOn(); |
| 1137 | } |
| 1138 | |
| 1139 | if ( IsPolygons && theFillAsp->FrontMaterial().Transparency()>=0.01 ) |
| 1140 | { |
| 1141 | Prs3d_Root::NewGroup ( Prs ); |
| 1142 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup ( Prs ); |
| 1143 | |
| 1144 | //if ( IsPolygonsEdgesOff ) |
| 1145 | theFillAsp->SetEdgeOff (); |
| 1146 | //else |
| 1147 | // theFillAsp->SetEdgeOn (); |
| 1148 | |
| 1149 | if( anIntColor!=aBackColor ) |
| 1150 | theFillAsp->SetDistinguishOn(); |
| 1151 | else |
| 1152 | theFillAsp->SetDistinguishOff(); |
| 1153 | |
| 1154 | aGroup->SetClosed (isSupressBackFaces); |
| 1155 | Handle(Graphic3d_AspectFillArea3d) aFillAsp = new Graphic3d_AspectFillArea3d (*(theFillAsp.operator->())); |
| 1156 | if (isSupressBackFaces) |
| 1157 | { |
| 1158 | aFillAsp->SuppressBackFace(); |
| 1159 | } |
| 1160 | aGroup->SetPrimitivesAspect (aFillAsp); |
| 1161 | |
| 1162 | if( IsFacePolygons ) |
| 1163 | { |
| 1164 | aGroup->AddPrimitiveArray ( thePolygons ); |
| 1165 | } |
| 1166 | |
| 1167 | if( IsVolumePolygons ) |
| 1168 | { |
| 1169 | aGroup->AddPrimitiveArray ( theVolumesInShad ); |
| 1170 | } |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | //================================================================ |
| 1175 | // Function : CalculateCenter |
| 1176 | // Purpose : |
| 1177 | //================================================================ |
| 1178 | void MeshVS_MeshPrsBuilder::CalculateCenter (const TColStd_Array1OfReal& theCoords, |
| 1179 | const Standard_Integer NbNodes, |
| 1180 | Standard_Real &xG, |
| 1181 | Standard_Real &yG, |
| 1182 | Standard_Real &zG) |
| 1183 | { |
| 1184 | xG = yG = zG = 0; |
| 1185 | if ( NbNodes < 4 ) |
| 1186 | { |
| 1187 | for ( Standard_Integer k=1; k<=NbNodes; k++) |
| 1188 | { |
| 1189 | xG += theCoords(3*k-2); |
| 1190 | yG += theCoords(3*k-1); |
| 1191 | zG += theCoords(3*k); |
| 1192 | } |
| 1193 | xG /= Standard_Real(NbNodes); |
| 1194 | yG /= Standard_Real(NbNodes); |
| 1195 | zG /= Standard_Real(NbNodes); |
| 1196 | } |
| 1197 | else |
| 1198 | { |
| 1199 | Standard_Integer a = 1, b = 3; |
| 1200 | xG = ( theCoords( 3*a-2 ) + theCoords( 3*b-2 ) ) / 2.0; |
| 1201 | yG = ( theCoords( 3*a-1 ) + theCoords( 3*b-1 ) ) / 2.0; |
| 1202 | zG = ( theCoords( 3*a ) + theCoords( 3*b ) ) / 2.0; |
| 1203 | } |
| 1204 | } |