src/ModuleBase/ModuleBase_ResultPrs.cpp

   1 // Copyright (C) 2014-2020  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ModuleBase_ResultPrs.h"
  21 #include "ModuleBase_IViewer.h"
  22
  23 #include <GeomAPI_PlanarEdges.h>
  24 #include <GeomAPI_Edge.h>
  25
  26 #include <ModelAPI_Events.h>
  27 #include <ModelAPI_Tools.h>
  28 #include <ModelAPI_ResultConstruction.h>
  29 #include <ModelAPI_ResultBody.h>
  30 #include <ModelAPI_AttributeIntArray.h>
  31
  32 #include "ModuleBase_Tools.h"
  33 #include "ModuleBase_BRepOwner.h"
  34
  35 #include <Events_InfoMessage.h>
  36 #include <Events_Loop.h>
  37 #include <Config_PropManager.h>
  38
  39 #include <AIS_ColoredDrawer.hxx>
  40 #include <AIS_InteractiveContext.hxx>
  41 #include <AIS_Selection.hxx>
  42 #include <BOPTools_AlgoTools3D.hxx>
  43 #include <BRep_Builder.hxx>
  44 #include <Graphic3d_AspectMarker3d.hxx>
  45 #include <Prs3d_Drawer.hxx>
  46 #include <Prs3d.hxx>
  47 #include <Prs3d_PointAspect.hxx>
  48 #include <Prs3d_IsoAspect.hxx>
  49 #include <Prs3d_ShadingAspect.hxx>
  50 #include <Prs3d_PlaneAspect.hxx>
  51 #include <SelectMgr_SequenceOfOwner.hxx>
  52 #include <SelectMgr_EntityOwner.hxx>
  53 #include <SelectMgr_SelectionManager.hxx>
  54 #include <StdPrs_WFShape.hxx>
  55 #include <StdPrs_ShadedShape.hxx>
  56 #include <StdSelect_BRepSelectionTool.hxx>
  57 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  58 #include <TopExp_Explorer.hxx>
  59 #include <TopoDS.hxx>
  60 #include <TopoDS_Builder.hxx>
  61 #include <TopoDS_Edge.hxx>
  62 #include <BRepMesh_IncrementalMesh.hxx>
  63 #include <Standard_Version.hxx>
  64
  65 #if OCC_VERSION_HEX > 0x070400
  66 #include <StdPrs_ToolTriangulatedShape.hxx>
  67 #endif
  68
  69 //*******************************************************************************************
  70
  71 IMPLEMENT_STANDARD_RTTIEXT(ModuleBase_ResultPrs, ViewerData_AISShape);
  72
  73
  74
  75 //********************************************************************
  76 ModuleBase_ResultPrs::ModuleBase_ResultPrs(ResultPtr theResult)
  77   : ViewerData_AISShape(TopoDS_Shape()),
  78     myResult(theResult),
  79     myIsSubstituted(false),
  80     myTransparency(1),
  81     myAdditionalSelectionPriority(0)
  82 {
  83
  84   GeomShapePtr aShapePtr = ModelAPI_Tools::shape(theResult);
  85   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
  86   // Workaround for Sketch subshapes which has no discrete representation
  87   // until sketch faces are built and displayed.
  88   // Thus, perform discretization of such edges.
  89   if (theResult->groupName() == ModelAPI_ResultConstruction::group() &&
  90     aShape.ShapeType() == TopAbs_EDGE) {
  91     GeomEdgePtr anEdgePtr = GeomEdgePtr(new GeomAPI_Edge(aShapePtr));
  92     if (anEdgePtr->isCircle() || anEdgePtr->isArc()) {
  93       TopoDS_Edge anEdge = TopoDS::Edge(aShape);
  94       TopLoc_Location aLoc;
  95       Handle(Poly_Polygon3D) aPoly3D = BRep_Tool::Polygon3D(anEdge, aLoc);
  96       if (aPoly3D.IsNull()) {
  97         double aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
  98         BRepMesh_IncrementalMesh(aShape, aDeflection);
  99       }
 100     }
 101   }
 102   Set(aShape);
 103
 104   // Activate individual repaintng if this is a part of compsolid
 105   ResultBodyPtr aResOwner = ModelAPI_Tools::bodyOwner(myResult);
 106   SetAutoHilight(aResOwner.get() == NULL);
 107
 108   // Set own free boundaries aspect in order to have free
 109   // and unfree boundaries with different colors
 110   Handle(Prs3d_Drawer) aDrawer = Attributes();
 111   aDrawer->SetUnFreeBoundaryAspect(
 112     new Prs3d_LineAspect(Quantity_NOC_YELLOW, Aspect_TOL_SOLID, 1));
 113   aDrawer->SetFreeBoundaryAspect(new Prs3d_LineAspect(Quantity_NOC_GREEN, Aspect_TOL_SOLID, 1));
 114   aDrawer->SetFaceBoundaryAspect(new Prs3d_LineAspect(Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1));
 115
 116   Quantity_Color aColor;
 117   Color(aColor);
 118
 119   std::vector<int> aIsoValues;
 120   bool isIsoVisible;
 121   ModelAPI_Tools::getIsoLines(myResult, isIsoVisible, aIsoValues);
 122   if (isIsoVisible) {
 123     if (aIsoValues.size() == 0) {
 124       aIsoValues.push_back(1);
 125       aIsoValues.push_back(1);
 126     }
 127   }
 128   else {
 129     aIsoValues.push_back(0);
 130     aIsoValues.push_back(0);
 131   }
 132   myUIsoAspect = new Prs3d_IsoAspect(aColor, Aspect_TOL_SOLID, 1, aIsoValues[0]);
 133   myVIsoAspect = new Prs3d_IsoAspect(aColor, Aspect_TOL_SOLID, 1, aIsoValues[1]);
 134   aDrawer->SetUIsoAspect(myUIsoAspect);
 135   aDrawer->SetVIsoAspect(myVIsoAspect);
 136
 137   if (aDrawer->HasOwnPointAspect())
 138     aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_PLUS);
 139   else
 140     aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_PLUS, Quantity_NOC_YELLOW, 1.));
 141
 142   aDrawer = DynamicHilightAttributes();
 143   if (aDrawer.IsNull()) {
 144     if (!ModuleBase_IViewer::DefaultHighlightDrawer.IsNull()) {
 145       aDrawer = new Prs3d_Drawer(*ModuleBase_IViewer::DefaultHighlightDrawer);
 146       aDrawer->SetUIsoAspect(myUIsoAspect);
 147       aDrawer->SetVIsoAspect(myVIsoAspect);
 148       SetDynamicHilightAttributes(aDrawer);
 149     }
 150   }
 151
 152   myHiddenSubShapesDrawer = new AIS_ColoredDrawer(myDrawer);
 153   Handle(Prs3d_ShadingAspect) aShadingAspect = new Prs3d_ShadingAspect();
 154   aShadingAspect->SetMaterial(Graphic3d_NOM_BRASS); //default value of context material
 155   aShadingAspect->Aspect()->SetEdgeColor(Quantity_NOC_BLACK);
 156   myHiddenSubShapesDrawer->SetShadingAspect(aShadingAspect);
 157
 158   ModuleBase_Tools::setPointBallHighlighting(this);
 159
 160   // Define colors for wireframe mode
 161   setEdgesDefaultColor();
 162
 163   ModuleBase_Tools::setDefaultDeviationCoefficient(Shape(), DynamicHilightAttributes());
 164   ModuleBase_Tools::setDefaultDeviationCoefficient(Shape(), Attributes());
 165   Attributes()->UpdatePreviousDeviationCoefficient();
 166 }
 167
 168 //********************************************************************
 169 void ModuleBase_ResultPrs::setAdditionalSelectionPriority(const int thePriority)
 170 {
 171   myAdditionalSelectionPriority = thePriority;
 172 }
 173
 174 //********************************************************************
 175 void ModuleBase_ResultPrs::SetColor (const Quantity_Color& theColor)
 176 {
 177   ViewerData_AISShape::SetColor(theColor);
 178   myHiddenSubShapesDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
 179   setEdgesDefaultColor();
 180   myUIsoAspect->SetColor(theColor);
 181   myVIsoAspect->SetColor(theColor);
 182 }
 183
 184 void ModuleBase_ResultPrs::setEdgesDefaultColor()
 185 {
 186   if (myResult.get()) {
 187     AttributeIntArrayPtr aColorAttr = myResult->data()->intArray(ModelAPI_Result::COLOR_ID());
 188     bool aHasColor = aColorAttr.get() && aColorAttr->isInitialized();
 189
 190     Handle(Prs3d_Drawer) aDrawer = Attributes();
 191     aDrawer->SetFaceBoundaryDraw(Standard_True);
 192     aDrawer->FaceBoundaryAspect()->SetColor(Quantity_NOC_BLACK);
 193
 194     if (!aHasColor) {
 195       aDrawer->UnFreeBoundaryAspect()->SetColor(Quantity_NOC_YELLOW);
 196       aDrawer->FreeBoundaryAspect()->SetColor(Quantity_NOC_GREEN);
 197       aDrawer->WireAspect()->SetColor(Quantity_NOC_RED);
 198
 199       aDrawer->SetUnFreeBoundaryDraw(Standard_True);
 200       aDrawer->SetFreeBoundaryDraw(Standard_True);
 201       aDrawer->SetWireDraw(Standard_True);
 202     }
 203   }
 204 }
 205
 206
 207 //********************************************************************
 208 void ModuleBase_ResultPrs::setSubShapeHidden(const TopoDS_ListOfShape& theShapes)
 209 {
 210   TopoDS_Compound aCompound;
 211   BRep_Builder aBBuilder;
 212   aBBuilder.MakeCompound (aCompound);
 213
 214   myHiddenSubShapes = theShapes;
 215   collectSubShapes(aBBuilder, aCompound, myOriginalShape, myHiddenSubShapes);
 216   myVisibleCompound = aCompound;
 217
 218   aBBuilder.MakeCompound (aCompound);
 219   TopoDS_ListOfShape::Iterator aIt(myHiddenSubShapes);
 220   for (; aIt.More(); aIt.Next()) {
 221     aBBuilder.Add(aCompound, aIt.Value());
 222   }
 223   myHiddenCompound = aCompound;
 224 }
 225
 226 //********************************************************************
 227 bool ModuleBase_ResultPrs::isSubShapeHidden(const TopoDS_Shape& theShape)
 228 {
 229   if (theShape.IsNull() || theShape.ShapeType() != TopAbs_FACE) // only face shape can be hidden
 230     return false;
 231
 232   // orientation of parameter shape(come from selection) may be wrong, check isEqual() to be sure
 233   TopoDS_ListOfShape::Iterator aShapeIt(myHiddenSubShapes);
 234   for (; aShapeIt.More(); aShapeIt.Next()) {
 235     if (theShape.IsSame(aShapeIt.Value()))
 236       return true;
 237   }
 238
 239   return true;
 240 }
 241
 242 //********************************************************************
 243 bool ModuleBase_ResultPrs::hasSubShapeVisible(
 244   const TopoDS_ListOfShape& theShapesToSkip)
 245 {
 246   TopoDS_Compound aCompound;
 247   BRep_Builder aBuilder;
 248   aBuilder.MakeCompound (aCompound);
 249   TopoDS_ListOfShape aShapesToSkip;
 250   TopoDS_ListOfShape aHiddenCopy(myHiddenSubShapes);
 251   aShapesToSkip.Append(aHiddenCopy);
 252   for (TopoDS_ListOfShape::Iterator anIt(theShapesToSkip); anIt.More(); anIt.Next())
 253     aShapesToSkip.Append(anIt.Value());
 254
 255   collectSubShapes(aBuilder, aCompound, myOriginalShape, aShapesToSkip);
 256   return !BOPTools_AlgoTools3D::IsEmptyShape(aCompound);
 257 }
 258
 259 //********************************************************************
 260 bool ModuleBase_ResultPrs::setHiddenSubShapeTransparency(double theTransparency)
 261 {
 262   if (myTransparency == theTransparency || theTransparency > 1 || theTransparency < 0)
 263     return false;
 264
 265   myTransparency = theTransparency;
 266   myHiddenSubShapesDrawer->ShadingAspect()->SetTransparency (theTransparency, myCurrentFacingModel);
 267   return true;
 268 }
 269
 270 //********************************************************************
 271 void ModuleBase_ResultPrs::Compute(
 272           const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 273           const Handle(Prs3d_Presentation)& thePresentation,
 274           const Standard_Integer theMode)
 275 {
 276   std::shared_ptr<GeomAPI_Shape> aShapePtr = myResult->shape();
 277   bool aReadyToDisplay = aShapePtr.get();
 278   if (aReadyToDisplay) {
 279     myOriginalShape = aShapePtr->impl<TopoDS_Shape>();
 280     if (myHiddenSubShapes.IsEmpty() || myOriginalShape.ShapeType() > TopAbs_FACE ) {
 281       if (!myOriginalShape.IsNull()) {
 282         Set(myOriginalShape);
 283         myIsSubstituted = false;
 284       }
 285     }
 286     else { // convert shape into SHELL
 287       bool isEmptyShape = BOPTools_AlgoTools3D::IsEmptyShape(myVisibleCompound);
 288       Set(myVisibleCompound);
 289       myIsSubstituted = true;
 290       if (isEmptyShape)
 291         aReadyToDisplay = false;
 292     }
 293   }
 294   // change deviation coefficient to provide more precise circle
 295   try {
 296     AIS_Shape::Compute(thePresentationManager, thePresentation, theMode);
 297   }
 298   catch (...) {
 299     return;
 300   }
 301
 302   // visualize hidden sub-shapes transparent
 303   if (myResult.get()) {
 304     if (myTransparency < 1 && !myHiddenSubShapes.IsEmpty())
 305     {
 306       StdPrs_ShadedShape::Add(thePresentation, myHiddenCompound, myHiddenSubShapesDrawer);
 307       aReadyToDisplay = true;
 308     }
 309
 310     if (!aReadyToDisplay) {
 311       Events_InfoMessage("ModuleBase_ResultPrs",
 312         "An empty AIS presentation: ModuleBase_ResultPrs").send();
 313       static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
 314       ModelAPI_EventCreator::get()->sendUpdated(myResult, anEvent);
 315     }
 316   }
 317 }
 318
 319 //********************************************************************
 320 void ModuleBase_ResultPrs::collectSubShapes(BRep_Builder& theBuilder,
 321   TopoDS_Shape& theCompound, const TopoDS_Shape& theShape,
 322   const TopoDS_ListOfShape& theHiddenSubShapes)
 323 {
 324   switch (theShape.ShapeType()) {
 325     case TopAbs_COMPSOLID:
 326     case TopAbs_COMPOUND: {
 327       for (TopoDS_Iterator aChildIter (theShape); aChildIter.More(); aChildIter.Next())
 328         collectSubShapes(theBuilder, theCompound, aChildIter.Value(), theHiddenSubShapes);
 329     }
 330     break;
 331     case TopAbs_SOLID:
 332     case TopAbs_SHELL: {
 333       for (TopExp_Explorer anExp (theShape, TopAbs_FACE); anExp.More(); anExp.Next()) {
 334         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 335       }
 336     }
 337     break;
 338     case TopAbs_WIRE: {
 339       for (TopExp_Explorer anExp (theShape, TopAbs_EDGE); anExp.More(); anExp.Next()) {
 340         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 341       }
 342     }
 343     break;
 344     case TopAbs_FACE: {
 345       if (theHiddenSubShapes.Contains(theShape))
 346         return; // remove hidden shape
 347       theBuilder.Add(theCompound, theShape);
 348     }
 349     break;
 350     case TopAbs_EDGE:
 351     case TopAbs_VERTEX: {
 352       theBuilder.Add(theCompound, theShape);
 353     }
 354     default:
 355       break;
 356   }
 357 }
 358
 359 //********************************************************************
 360 void ModuleBase_ResultPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 361                                             const Standard_Integer theMode)
 362 {
 363   if (appendVertexSelection(aSelection, theMode))
 364     return;
 365
 366   if (theMode > TopAbs_SHAPE) {
 367     // In order to avoid using custom selection modes
 368     if (theMode == ModuleBase_ResultPrs::Sel_Result) {
 369       AIS_Shape::ComputeSelection(aSelection, TopAbs_COMPOUND);
 370     }
 371     return;
 372   }
 373
 374   // TODO: OCCT issue should be created for the COMPOUND processing
 375   // before it is fixed, the next workaround in necessary
 376   if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPOUND)) {
 377     const TopoDS_Shape& aShape = Shape();
 378     TopExp_Explorer aCompExp(aShape, TopAbs_COMPOUND);
 379     // do not activate in compound mode shapes which do not contain compounds
 380     if (!aCompExp.More())
 381       return;
 382   }
 383
 384   // bug 2110: if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPSOLID)) {
 385   //  // Limit selection area only by actual object (Shape)
 386   //  ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(myResult);
 387   //  if (aCompSolid.get()) {
 388   //    std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aCompSolid);
 389   //    if (aShapePtr.get()) {
 390   //      TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 391   //   int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_COMPSOLID);
 392   //     /// It is important to have priority for the shape of comp solid result less than priority
 393   //      /// for the presentation shape which is a sub-result.
 394   //      /// Reason is to select the sub-objects before: #1592
 395   //      aPriority = aPriority - 1;
 396   //      double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 397
 398   //      Handle(ModuleBase_BRepOwner) aOwner = new ModuleBase_BRepOwner(aShape, aPriority);
 399   //      StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 400   //        aDeflection, myDrawer->HLRAngle(), 9, 500);
 401
 402   //      for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 403   //        Handle(SelectMgr_EntityOwner) anOwner =
 404   //          Handle(SelectMgr_EntityOwner)
 405   //          ::DownCast(aSelection->Sensitive()->BaseSensitive()->OwnerId());
 406   //        anOwner->Set(this);
 407   //      }
 408   //      return;
 409   //    }
 410   //  }
 411   //}
 412   AIS_Shape::ComputeSelection(aSelection, theMode);
 413
 414   if (myAdditionalSelectionPriority > 0) {
 415     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 416     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 417          anIt.More();
 418          anIt.Next()) {
 419       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 420       Handle(SelectBasics_EntityOwner) aBasicsOwner = anEntity->BaseSensitive()->OwnerId();
 421       if (!aBasicsOwner.IsNull())
 422         aBasicsOwner->SetPriority(aBasicsOwner->Priority() + myAdditionalSelectionPriority);
 423     }
 424   }
 425 }
 426
 427 //********************************************************************
 428 bool ModuleBase_ResultPrs::appendVertexSelection(const Handle(SelectMgr_Selection)& aSelection,
 429                                                  const Standard_Integer /*theMode*/)
 430 {
 431   if (Shape().ShapeType() == TopAbs_VERTEX) {
 432     const TopoDS_Shape& aShape = Shape();
 433
 434     int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_VERTEX);
 435 #if OCC_VERSION_HEX > 0x070400
 436     double aDeflection = StdPrs_ToolTriangulatedShape::GetDeflection(aShape, myDrawer);
 437 #else
 438     double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 439 #endif
 440     /// The cause of this method is the last parameter of BRep owner setting into True.
 441     /// That means that owner should behave like it comes from decomposition. (In this case, OCCT
 442     /// visualizes it in Ring style) OCCT version is 7.0.0 with path for SHAPER module.
 443     Handle(StdSelect_BRepOwner) aOwner = new StdSelect_BRepOwner(aShape, aPriority, Standard_True);
 444     StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 445                                                   aDeflection, myDrawer->HLRAngle(), 9, 500);
 446
 447
 448     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 449     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 450          anIt.More();
 451          anIt.Next()) {
 452       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 453       Handle(SelectMgr_EntityOwner) anOwner = anEntity->BaseSensitive()->OwnerId();
 454       anOwner->SetSelectable(this);
 455     }
 456
 457     return true;
 458   }
 459   return false;
 460 }
 461
 462 //********************************************************************
 463 void ModuleBase_ResultPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 464                                            const SelectMgr_SequenceOfOwner& theOwners)
 465 {
 466   Handle(SelectMgr_EntityOwner) anOwner;
 467   Handle(ModuleBase_BRepOwner) aCompOwner;
 468   for (int i = 1; i <= theOwners.Length(); i++) {
 469     anOwner = theOwners.Value(i);
 470     aCompOwner = Handle(ModuleBase_BRepOwner)::DownCast(anOwner);
 471     if (aCompOwner.IsNull()) {
 472       thePM->Color(anOwner->Selectable(), GetContext()->SelectionStyle());
 473     }
 474     else {
 475       TopoDS_Shape aShape = aCompOwner->Shape();
 476       Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 477       aSelectionPrs->Clear();
 478
 479       StdPrs_WFShape::Add(aSelectionPrs, aShape, myDrawer);
 480
 481       aSelectionPrs->SetDisplayPriority(9);
 482       aSelectionPrs->Highlight(GetContext()->SelectionStyle());
 483       aSelectionPrs->Display();
 484       thePM->Color(this, GetContext()->SelectionStyle());
 485     }
 486   }
 487 }
 488
 489 //********************************************************************
 490 void ModuleBase_ResultPrs::HilightOwnerWithColor(const Handle(PrsMgr_PresentationManager3d)& thePM,
 491                                                  const Handle(Prs3d_Drawer)& theStyle,
 492                                                  const Handle(SelectMgr_EntityOwner)& theOwner)
 493 {
 494   Handle(StdSelect_BRepOwner) aOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 495   if (aOwner.IsNull())
 496     return;
 497
 498   TopoDS_Shape aShape = aOwner->Shape();
 499   if (!aShape.IsNull()) {
 500     thePM->Color(this, theStyle);
 501
 502     Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 503     aHilightPrs->Clear();
 504
 505     StdPrs_WFShape::Add(aHilightPrs, aShape, myDrawer);
 506     aHilightPrs->Highlight(theStyle);
 507
 508     if (thePM->IsImmediateModeOn())
 509       thePM->AddToImmediateList(aHilightPrs);
 510   }
 511 }
 512
 513
 514 //********************************************************************
 515 void ModuleBase_ResultPrs::updateIsoLines()
 516 {
 517   std::vector<int> aIsoValues;
 518   bool isIsoVisible;
 519   ModelAPI_Tools::getIsoLines(myResult, isIsoVisible, aIsoValues);
 520   if (isIsoVisible) {
 521     if (aIsoValues.size() == 0) {
 522       aIsoValues.push_back(1);
 523       aIsoValues.push_back(1);
 524     }
 525   }
 526   else {
 527     if (aIsoValues.size() == 0) {
 528       aIsoValues.push_back(0);
 529       aIsoValues.push_back(0);
 530     }
 531     else {
 532       aIsoValues[0] = 0;
 533       aIsoValues[1] = 0;
 534     }
 535   }
 536   myUIsoAspect->SetNumber(aIsoValues[0]);
 537   myVIsoAspect->SetNumber(aIsoValues[1]);
 538 }