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