src/ModuleBase/ModuleBase_ResultPrs.cpp

   1 // Copyright (C) 2014-2021  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   // VSV: bos22744: The AutoHilight mode is swithced off because it produces different
 105   // behaviour of selection for simple shape and compound. For example when selection mode
 106   // is Vertex the shape is selected by vertex, but compound is selected by whole shape
 107   //ResultBodyPtr aResOwner = ModelAPI_Tools::bodyOwner(myResult);
 108   //SetAutoHilight(aResOwner.get() == NULL);
 109
 110   // Set own free boundaries aspect in order to have free
 111   // and unfree boundaries with different colors
 112   Handle(Prs3d_Drawer) aDrawer = Attributes();
 113   aDrawer->SetUnFreeBoundaryAspect(
 114     new Prs3d_LineAspect(Quantity_NOC_YELLOW, Aspect_TOL_SOLID, 1));
 115   aDrawer->SetFreeBoundaryAspect(new Prs3d_LineAspect(Quantity_NOC_GREEN, Aspect_TOL_SOLID, 1));
 116   aDrawer->SetFaceBoundaryAspect(new Prs3d_LineAspect(Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1));
 117
 118   Quantity_Color aColor;
 119   Color(aColor);
 120
 121   std::vector<int> aIsoValues;
 122   bool isIsoVisible;
 123   ModelAPI_Tools::getIsoLines(myResult, isIsoVisible, aIsoValues);
 124   if (isIsoVisible) {
 125     if (aIsoValues.size() == 0) {
 126       aIsoValues.push_back(1);
 127       aIsoValues.push_back(1);
 128     }
 129   }
 130   else {
 131     aIsoValues.push_back(0);
 132     aIsoValues.push_back(0);
 133   }
 134   myUIsoAspect = new Prs3d_IsoAspect(aColor, Aspect_TOL_SOLID, 1, aIsoValues[0]);
 135   myVIsoAspect = new Prs3d_IsoAspect(aColor, Aspect_TOL_SOLID, 1, aIsoValues[1]);
 136   aDrawer->SetUIsoAspect(myUIsoAspect);
 137   aDrawer->SetVIsoAspect(myVIsoAspect);
 138
 139   if (aDrawer->HasOwnPointAspect())
 140     aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_PLUS);
 141   else
 142     aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_PLUS, Quantity_NOC_YELLOW, 1.));
 143
 144   aDrawer = DynamicHilightAttributes();
 145   if (aDrawer.IsNull()) {
 146     if (!ModuleBase_IViewer::DefaultHighlightDrawer.IsNull()) {
 147       aDrawer = new Prs3d_Drawer(*ModuleBase_IViewer::DefaultHighlightDrawer);
 148       aDrawer->SetUIsoAspect(myUIsoAspect);
 149       aDrawer->SetVIsoAspect(myVIsoAspect);
 150       SetDynamicHilightAttributes(aDrawer);
 151     }
 152   }
 153
 154   myHiddenSubShapesDrawer = new AIS_ColoredDrawer(myDrawer);
 155   Handle(Prs3d_ShadingAspect) aShadingAspect = new Prs3d_ShadingAspect();
 156   aShadingAspect->SetMaterial(Graphic3d_NOM_BRASS); //default value of context material
 157   aShadingAspect->Aspect()->SetEdgeColor(Quantity_NOC_BLACK);
 158   myHiddenSubShapesDrawer->SetShadingAspect(aShadingAspect);
 159
 160   ModuleBase_Tools::setPointBallHighlighting(this);
 161
 162   // Define colors for wireframe mode
 163   setEdgesDefaultColor();
 164
 165   ModuleBase_Tools::setDefaultDeviationCoefficient(Shape(), DynamicHilightAttributes());
 166   ModuleBase_Tools::setDefaultDeviationCoefficient(Shape(), Attributes());
 167   Attributes()->UpdatePreviousDeviationCoefficient();
 168 }
 169
 170 //********************************************************************
 171 void ModuleBase_ResultPrs::setAdditionalSelectionPriority(const int thePriority)
 172 {
 173   myAdditionalSelectionPriority = thePriority;
 174 }
 175
 176 //********************************************************************
 177 void ModuleBase_ResultPrs::SetColor (const Quantity_Color& theColor)
 178 {
 179   ViewerData_AISShape::SetColor(theColor);
 180   myHiddenSubShapesDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
 181   setEdgesDefaultColor();
 182   myUIsoAspect->SetColor(theColor);
 183   myVIsoAspect->SetColor(theColor);
 184 }
 185
 186 void ModuleBase_ResultPrs::setEdgesDefaultColor()
 187 {
 188   if (myResult.get()) {
 189     AttributeIntArrayPtr aColorAttr = myResult->data()->intArray(ModelAPI_Result::COLOR_ID());
 190     bool aHasColor = aColorAttr.get() && aColorAttr->isInitialized();
 191
 192     Handle(Prs3d_Drawer) aDrawer = Attributes();
 193     aDrawer->SetFaceBoundaryDraw(Standard_True);
 194     aDrawer->FaceBoundaryAspect()->SetColor(Quantity_NOC_BLACK);
 195
 196     if (!aHasColor) {
 197       aDrawer->UnFreeBoundaryAspect()->SetColor(Quantity_NOC_YELLOW);
 198       aDrawer->FreeBoundaryAspect()->SetColor(Quantity_NOC_GREEN);
 199       aDrawer->WireAspect()->SetColor(Quantity_NOC_RED);
 200
 201       aDrawer->SetUnFreeBoundaryDraw(Standard_True);
 202       aDrawer->SetFreeBoundaryDraw(Standard_True);
 203       aDrawer->SetWireDraw(Standard_True);
 204     }
 205   }
 206 }
 207
 208
 209 //********************************************************************
 210 void ModuleBase_ResultPrs::setSubShapeHidden(const TopoDS_ListOfShape& theShapes)
 211 {
 212   TopoDS_Compound aCompound;
 213   BRep_Builder aBBuilder;
 214   aBBuilder.MakeCompound (aCompound);
 215
 216   myHiddenSubShapes = theShapes;
 217   collectSubShapes(aBBuilder, aCompound, myOriginalShape, myHiddenSubShapes);
 218   myVisibleCompound = aCompound;
 219
 220   aBBuilder.MakeCompound (aCompound);
 221   TopoDS_ListOfShape::Iterator aIt(myHiddenSubShapes);
 222   for (; aIt.More(); aIt.Next()) {
 223     aBBuilder.Add(aCompound, aIt.Value());
 224   }
 225   myHiddenCompound = aCompound;
 226 }
 227
 228 //********************************************************************
 229 bool ModuleBase_ResultPrs::isSubShapeHidden(const TopoDS_Shape& theShape)
 230 {
 231   if (theShape.IsNull() || theShape.ShapeType() != TopAbs_FACE) // only face shape can be hidden
 232     return false;
 233
 234   // orientation of parameter shape(come from selection) may be wrong, check isEqual() to be sure
 235   TopoDS_ListOfShape::Iterator aShapeIt(myHiddenSubShapes);
 236   for (; aShapeIt.More(); aShapeIt.Next()) {
 237     if (theShape.IsSame(aShapeIt.Value()))
 238       return true;
 239   }
 240
 241   return true;
 242 }
 243
 244 //********************************************************************
 245 bool ModuleBase_ResultPrs::hasSubShapeVisible(
 246   const TopoDS_ListOfShape& theShapesToSkip)
 247 {
 248   TopoDS_Compound aCompound;
 249   BRep_Builder aBuilder;
 250   aBuilder.MakeCompound (aCompound);
 251   TopoDS_ListOfShape aShapesToSkip;
 252   TopoDS_ListOfShape aHiddenCopy(myHiddenSubShapes);
 253   aShapesToSkip.Append(aHiddenCopy);
 254   for (TopoDS_ListOfShape::Iterator anIt(theShapesToSkip); anIt.More(); anIt.Next())
 255     aShapesToSkip.Append(anIt.Value());
 256
 257   collectSubShapes(aBuilder, aCompound, myOriginalShape, aShapesToSkip);
 258   return !BOPTools_AlgoTools3D::IsEmptyShape(aCompound);
 259 }
 260
 261 //********************************************************************
 262 bool ModuleBase_ResultPrs::setHiddenSubShapeTransparency(double theTransparency)
 263 {
 264   if (myTransparency == theTransparency || theTransparency > 1 || theTransparency < 0)
 265     return false;
 266
 267   myTransparency = theTransparency;
 268   myHiddenSubShapesDrawer->ShadingAspect()->SetTransparency (theTransparency, myCurrentFacingModel);
 269   return true;
 270 }
 271
 272 //********************************************************************
 273 void ModuleBase_ResultPrs::Compute(
 274           const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 275           const Handle(Prs3d_Presentation)& thePresentation,
 276           const Standard_Integer theMode)
 277 {
 278   std::shared_ptr<GeomAPI_Shape> aShapePtr = myResult->shape();
 279   bool aReadyToDisplay = aShapePtr.get();
 280   if (aReadyToDisplay) {
 281     myOriginalShape = aShapePtr->impl<TopoDS_Shape>();
 282     if (myHiddenSubShapes.IsEmpty() || myOriginalShape.ShapeType() > TopAbs_FACE ) {
 283       if (!myOriginalShape.IsNull()) {
 284         Set(myOriginalShape);
 285         myIsSubstituted = false;
 286       }
 287     }
 288     else { // convert shape into SHELL
 289       bool isEmptyShape = BOPTools_AlgoTools3D::IsEmptyShape(myVisibleCompound);
 290       Set(myVisibleCompound);
 291       myIsSubstituted = true;
 292       if (isEmptyShape)
 293         aReadyToDisplay = false;
 294     }
 295   }
 296   // change deviation coefficient to provide more precise circle
 297   try {
 298     AIS_Shape::Compute(thePresentationManager, thePresentation, theMode);
 299   }
 300   catch (...) {
 301     return;
 302   }
 303
 304   // visualize hidden sub-shapes transparent
 305   if (myResult.get()) {
 306     if (myTransparency < 1 && !myHiddenSubShapes.IsEmpty())
 307     {
 308       StdPrs_ShadedShape::Add(thePresentation, myHiddenCompound, myHiddenSubShapesDrawer);
 309       aReadyToDisplay = true;
 310     }
 311
 312     if (!aReadyToDisplay) {
 313       Events_InfoMessage("ModuleBase_ResultPrs",
 314         "An empty AIS presentation: ModuleBase_ResultPrs").send();
 315       static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
 316       ModelAPI_EventCreator::get()->sendUpdated(myResult, anEvent);
 317     }
 318   }
 319 }
 320
 321 //********************************************************************
 322 void ModuleBase_ResultPrs::collectSubShapes(BRep_Builder& theBuilder,
 323   TopoDS_Shape& theCompound, const TopoDS_Shape& theShape,
 324   const TopoDS_ListOfShape& theHiddenSubShapes)
 325 {
 326   switch (theShape.ShapeType()) {
 327     case TopAbs_COMPSOLID:
 328     case TopAbs_COMPOUND: {
 329       for (TopoDS_Iterator aChildIter (theShape); aChildIter.More(); aChildIter.Next())
 330         collectSubShapes(theBuilder, theCompound, aChildIter.Value(), theHiddenSubShapes);
 331     }
 332     break;
 333     case TopAbs_SOLID:
 334     case TopAbs_SHELL: {
 335       for (TopExp_Explorer anExp (theShape, TopAbs_FACE); anExp.More(); anExp.Next()) {
 336         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 337       }
 338     }
 339     break;
 340     case TopAbs_WIRE: {
 341       for (TopExp_Explorer anExp (theShape, TopAbs_EDGE); anExp.More(); anExp.Next()) {
 342         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 343       }
 344     }
 345     break;
 346     case TopAbs_FACE: {
 347       if (theHiddenSubShapes.Contains(theShape))
 348         return; // remove hidden shape
 349       theBuilder.Add(theCompound, theShape);
 350     }
 351     break;
 352     case TopAbs_EDGE:
 353     case TopAbs_VERTEX: {
 354       theBuilder.Add(theCompound, theShape);
 355     }
 356     default:
 357       break;
 358   }
 359 }
 360
 361 //********************************************************************
 362 void ModuleBase_ResultPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 363                                             const Standard_Integer theMode)
 364 {
 365   if (appendVertexSelection(aSelection, theMode))
 366     return;
 367
 368   if (theMode > TopAbs_SHAPE) {
 369     // In order to avoid using custom selection modes
 370     if (theMode == ModuleBase_ResultPrs::Sel_Result) {
 371       AIS_Shape::ComputeSelection(aSelection, TopAbs_COMPOUND);
 372     }
 373     return;
 374   }
 375
 376   // TODO: OCCT issue should be created for the COMPOUND processing
 377   // before it is fixed, the next workaround in necessary
 378   if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPOUND)) {
 379     const TopoDS_Shape& aShape = Shape();
 380     TopExp_Explorer aCompExp(aShape, TopAbs_COMPOUND);
 381     // do not activate in compound mode shapes which do not contain compounds
 382     if (!aCompExp.More())
 383       return;
 384   }
 385
 386   // bug 2110: if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPSOLID)) {
 387   //  // Limit selection area only by actual object (Shape)
 388   //  ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(myResult);
 389   //  if (aCompSolid.get()) {
 390   //    std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aCompSolid);
 391   //    if (aShapePtr.get()) {
 392   //      TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 393   //   int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_COMPSOLID);
 394   //     /// It is important to have priority for the shape of comp solid result less than priority
 395   //      /// for the presentation shape which is a sub-result.
 396   //      /// Reason is to select the sub-objects before: #1592
 397   //      aPriority = aPriority - 1;
 398   //      double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 399
 400   //      Handle(ModuleBase_BRepOwner) aOwner = new ModuleBase_BRepOwner(aShape, aPriority);
 401   //      StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 402   //        aDeflection, myDrawer->HLRAngle(), 9, 500);
 403
 404   //      for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 405   //        Handle(SelectMgr_EntityOwner) anOwner =
 406   //          Handle(SelectMgr_EntityOwner)
 407   //          ::DownCast(aSelection->Sensitive()->BaseSensitive()->OwnerId());
 408   //        anOwner->Set(this);
 409   //      }
 410   //      return;
 411   //    }
 412   //  }
 413   //}
 414   AIS_Shape::ComputeSelection(aSelection, theMode);
 415
 416   if (myAdditionalSelectionPriority > 0) {
 417     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 418     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 419          anIt.More();
 420          anIt.Next()) {
 421       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 422       Handle(SelectBasics_EntityOwner) aBasicsOwner = anEntity->BaseSensitive()->OwnerId();
 423       if (!aBasicsOwner.IsNull())
 424         aBasicsOwner->SetPriority(aBasicsOwner->Priority() + myAdditionalSelectionPriority);
 425     }
 426   }
 427 }
 428
 429 //********************************************************************
 430 bool ModuleBase_ResultPrs::appendVertexSelection(const Handle(SelectMgr_Selection)& aSelection,
 431                                                  const Standard_Integer /*theMode*/)
 432 {
 433   if (Shape().ShapeType() == TopAbs_VERTEX) {
 434     const TopoDS_Shape& aShape = Shape();
 435
 436     int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_VERTEX);
 437 #if OCC_VERSION_HEX > 0x070400
 438     double aDeflection = StdPrs_ToolTriangulatedShape::GetDeflection(aShape, myDrawer);
 439 #else
 440     double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 441 #endif
 442     /// The cause of this method is the last parameter of BRep owner setting into True.
 443     /// That means that owner should behave like it comes from decomposition. (In this case, OCCT
 444     /// visualizes it in Ring style) OCCT version is 7.0.0 with path for SHAPER module.
 445     Handle(StdSelect_BRepOwner) aOwner = new StdSelect_BRepOwner(aShape, aPriority, Standard_True);
 446     StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 447                                                   aDeflection, myDrawer->DeviationAngle(), 9, 500);
 448
 449
 450     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 451     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 452          anIt.More();
 453          anIt.Next()) {
 454       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 455       Handle(SelectMgr_EntityOwner) anOwner = anEntity->BaseSensitive()->OwnerId();
 456       anOwner->SetSelectable(this);
 457     }
 458
 459     return true;
 460   }
 461   return false;
 462 }
 463
 464 //********************************************************************
 465 void ModuleBase_ResultPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 466                                            const SelectMgr_SequenceOfOwner& theOwners)
 467 {
 468   Handle(SelectMgr_EntityOwner) anOwner;
 469   Handle(ModuleBase_BRepOwner) aCompOwner;
 470   for (int i = 1; i <= theOwners.Length(); i++) {
 471     anOwner = theOwners.Value(i);
 472     aCompOwner = Handle(ModuleBase_BRepOwner)::DownCast(anOwner);
 473     if (aCompOwner.IsNull()) {
 474       thePM->Color(anOwner->Selectable(), GetContext()->SelectionStyle());
 475     }
 476     else {
 477       TopoDS_Shape aShape = aCompOwner->Shape();
 478       Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 479       aSelectionPrs->Clear();
 480
 481       StdPrs_WFShape::Add(aSelectionPrs, aShape, myDrawer);
 482
 483       aSelectionPrs->SetDisplayPriority(9);
 484       aSelectionPrs->Highlight(GetContext()->SelectionStyle());
 485       aSelectionPrs->Display();
 486       thePM->Color(this, GetContext()->SelectionStyle());
 487     }
 488   }
 489 }
 490
 491 //********************************************************************
 492 void ModuleBase_ResultPrs::HilightOwnerWithColor(const Handle(PrsMgr_PresentationManager3d)& thePM,
 493                                                  const Handle(Prs3d_Drawer)& theStyle,
 494                                                  const Handle(SelectMgr_EntityOwner)& theOwner)
 495 {
 496   Handle(StdSelect_BRepOwner) aOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 497   if (aOwner.IsNull())
 498     return;
 499
 500   TopoDS_Shape aShape = aOwner->Shape();
 501   if (!aShape.IsNull()) {
 502     thePM->Color(this, theStyle);
 503
 504     Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 505     aHilightPrs->Clear();
 506
 507     StdPrs_WFShape::Add(aHilightPrs, aShape, myDrawer);
 508     aHilightPrs->Highlight(theStyle);
 509
 510     if (thePM->IsImmediateModeOn())
 511       thePM->AddToImmediateList(aHilightPrs);
 512   }
 513 }
 514
 515
 516 //********************************************************************
 517 void ModuleBase_ResultPrs::updateIsoLines()
 518 {
 519   std::vector<int> aIsoValues;
 520   bool isIsoVisible;
 521   ModelAPI_Tools::getIsoLines(myResult, isIsoVisible, aIsoValues);
 522   if (isIsoVisible) {
 523     if (aIsoValues.size() == 0) {
 524       aIsoValues.push_back(1);
 525       aIsoValues.push_back(1);
 526     }
 527   }
 528   else {
 529     if (aIsoValues.size() == 0) {
 530       aIsoValues.push_back(0);
 531       aIsoValues.push_back(0);
 532     }
 533     else {
 534       aIsoValues[0] = 0;
 535       aIsoValues[1] = 0;
 536     }
 537   }
 538   myUIsoAspect->SetNumber(aIsoValues[0]);
 539   myVIsoAspect->SetNumber(aIsoValues[1]);
 540 }