#662: custom mesh for presentation

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_LandCoverMapPrs.cxx

diff --git a/src/HYDROGUI/HYDROGUI_LandCoverMapPrs.cxx b/src/HYDROGUI/HYDROGUI_LandCoverMapPrs.cxx
index f74fb1a556cd0d349dc7d53e009cf50ebcfc6af6..a71d556cee657ddf56b0cb53783c3bdc2be27585 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_LandCoverMapPrs.cxx
+++ b/src/HYDROGUI/HYDROGUI_LandCoverMapPrs.cxx
@@ -20,26 +20,22 @@
 #include <HYDROData_Iterator.h>
 #include <HYDROData_Tool.h>
 #include <AIS_DisplayMode.hxx>
-#include <Prs3d.hxx>
-#include <Prs3d_IsoAspect.hxx>
-#include <Prs3d_LineAspect.hxx>
-#include <Prs3d_ShadingAspect.hxx>
+#include <BRepMesh_IncrementalMesh.hxx>
+#include <Graphic3d_ArrayOfTriangles.hxx>
 #include <Graphic3d_AspectFillArea3d.hxx>
+#include <Poly_Triangulation.hxx>
+#include <Prs3d_Root.hxx>
 #include <Select3D_SensitiveBox.hxx>
-#include <StdPrs_ShadedShape.hxx>
-#include <StdPrs_WFShape.hxx>
-#include <StdSelect.hxx>
 #include <StdSelect_BRepOwner.hxx>
-#include <StdSelect_BRepSelectionTool.hxx>
 #include <TopoDS_Face.hxx>
 #include <QColor>
 #include <QString>
 
-IMPLEMENT_STANDARD_HANDLE( HYDROGUI_LandCoverMapPrs, AIS_Shape )
-IMPLEMENT_STANDARD_RTTIEXT( HYDROGUI_LandCoverMapPrs, AIS_Shape )
+IMPLEMENT_STANDARD_HANDLE( HYDROGUI_LandCoverMapPrs, AIS_InteractiveObject )
+IMPLEMENT_STANDARD_RTTIEXT( HYDROGUI_LandCoverMapPrs, AIS_InteractiveObject )
 
 HYDROGUI_LandCoverMapPrs::HYDROGUI_LandCoverMapPrs( const Handle(HYDROData_LandCoverMap)& theMap )
-  : AIS_Shape( TopoDS_Shape() )
+  : AIS_InteractiveObject()
 {
   SetLandCoverMap( theMap );
 }
@@ -56,7 +52,6 @@ Handle(HYDROData_LandCoverMap) HYDROGUI_LandCoverMapPrs::GetLandCoverMap() const
 void HYDROGUI_LandCoverMapPrs::SetLandCoverMap( const Handle(HYDROData_LandCoverMap)& theMap )
 {
   myLCMap = theMap;
-  Set( theMap->GetShape() );
 }
 
 Handle(Aspect_ColorScale) HYDROGUI_LandCoverMapPrs::GetColorScale() const
@@ -113,6 +108,47 @@ Quantity_Color HYDROGUI_LandCoverMapPrs::GetColor( const QString& theStricklerTy
   return Quantity_Color();
 }
 
+void DrawTriangulation( const Handle(Prs3d_Presentation)& thePresentation,
+                        const Handle(Poly_Triangulation)& theTriangulation,
+                        const Quantity_Color& theColor )
+{
+  const TColgp_Array1OfPnt& aNodesArray = theTriangulation->Nodes();
+  int aNbNodes = aNodesArray.Length();
+
+  const Poly_Array1OfTriangle& aTrianglesArray = theTriangulation->Triangles();
+  int aNbTriangles = aTrianglesArray.Length();
+
+  Handle( Graphic3d_ArrayOfTriangles ) anArray = new Graphic3d_ArrayOfTriangles
+    ( aNbNodes, aNbTriangles * 3, Standard_True, Standard_True, Standard_False );
+
+  Prs3d_Root::NewGroup( thePresentation );
+  Handle( Graphic3d_Group ) aGroup = Prs3d_Root::CurrentGroup( thePresentation );
+  Handle( Graphic3d_AspectFillArea3d ) anAspect = new Graphic3d_AspectFillArea3d();
+  Graphic3d_MaterialAspect aMaterialAspect( Graphic3d_NOM_PLASTIC );
+  aMaterialAspect.SetColor( theColor );
+  anAspect->SetFrontMaterial( aMaterialAspect );
+  anAspect->SetBackMaterial( aMaterialAspect );
+
+  Standard_Integer i;
+
+  for( i = aNodesArray.Lower(); i <= aNodesArray.Upper(); i++ )
+  {
+    anArray->AddVertex( aNodesArray( i ), theColor );
+    anArray->SetVertexNormal( i, 0, 0, 1 );
+  }
+
+  Standard_Integer anIndexTriangle[3] = { 0, 0, 0 };
+  for( i = aTrianglesArray.Lower(); i<= aTrianglesArray.Upper(); i++ )
+  {
+    aTrianglesArray( i ).Get( anIndexTriangle[0], anIndexTriangle[1], anIndexTriangle[2] );
+    anArray->AddEdge( anIndexTriangle[0] );
+    anArray->AddEdge( anIndexTriangle[1] );
+    anArray->AddEdge( anIndexTriangle[2] );
+  }
+  aGroup->AddPrimitiveArray( anArray );
+  //aGroup->SetGroupPrimitivesAspect( anAspect );
+}
+
 void HYDROGUI_LandCoverMapPrs::Compute( const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
                                         const Handle(Prs3d_Presentation)& thePresentation,
                                         const Standard_Integer theMode )
@@ -121,46 +157,25 @@ void HYDROGUI_LandCoverMapPrs::Compute( const Handle(PrsMgr_PresentationManager3
     return;
 
   thePresentation->Clear();
-  SetMaterial( Graphic3d_NOM_PLASTIC );
-
-  Quantity_Color anEdgeColor = Quantity_NOC_WHITE;
-  myDrawer->LineAspect()->SetColor( anEdgeColor );
-  myDrawer->FaceBoundaryAspect()->SetColor( anEdgeColor );
-  myDrawer->FreeBoundaryAspect()->SetColor( anEdgeColor );
-  myDrawer->UIsoAspect()->SetNumber( 0 );
-  myDrawer->VIsoAspect()->SetNumber( 0 );
+  const double aLinearDeflection = 1E-2;
+  BRepMesh_IncrementalMesh aMesh( myLCMap->GetShape(), aLinearDeflection );
+  aMesh.Perform();
+  bool isOK = aMesh.IsDone();
 
   switch( theMode )
   {
-  case AIS_WireFrame:
   case AIS_Shaded:
     {
-      bool isShaded = theMode==AIS_Shaded;
       HYDROData_LandCoverMap::Iterator anIt( myLCMap );
       for( ; anIt.More(); anIt.Next() )
       {
         TopoDS_Face aFace = anIt.Face();
-        if( isShaded )
-        {
-          QString aStricklerType = anIt.StricklerType();
-          Quantity_Color aColor = GetColor( aStricklerType );
-          Handle(Graphic3d_AspectFillArea3d) anAspect = new Graphic3d_AspectFillArea3d();
-          Graphic3d_MaterialAspect aMaterialAspect( Graphic3d_NOM_PLASTIC );
-          aMaterialAspect.SetColor( aColor );
-          anAspect->SetFrontMaterial( aMaterialAspect );
-          anAspect->SetBackMaterial( aMaterialAspect );
-
-          Handle(Graphic3d_AspectFillArea3d) aGlobalAspect = myDrawer->ShadingAspect()->Aspect();
-          myDrawer->ShadingAspect()->SetAspect( anAspect );
-          StdPrs_ShadedShape::Add( thePresentation, aFace, myDrawer );
-          myDrawer->ShadingAspect()->SetAspect( aGlobalAspect );
-
-          StdPrs_WFShape::Add( thePresentation, aFace, myDrawer );
-        }
-        else
-        {
-          StdPrs_WFShape::Add( thePresentation, aFace, myDrawer );
-        }
+        QString aStricklerType = anIt.StricklerType();
+        Quantity_Color aColor = GetColor( aStricklerType );
+
+        TopLoc_Location aLocation;
+        Handle(Poly_Triangulation) aTriangulation = BRep_Tool::Triangulation( aFace, aLocation );
+        DrawTriangulation( thePresentation, aTriangulation, aColor );
       }
     }
     break;
@@ -177,26 +192,14 @@ void HYDROGUI_LandCoverMapPrs::ComputeSelection( const Handle(SelectMgr_Selectio
 
   if( theMode==0 )
   {
-    theSelection->Clear();
+    /*theSelection->Clear();
     Bnd_Box B = BoundingBox();
     Handle(StdSelect_BRepOwner) anOwner = new StdSelect_BRepOwner( myLCMap->GetShape(), this );
     Handle(Select3D_SensitiveBox) aSensitiveBox = new Select3D_SensitiveBox( anOwner, B );
-    theSelection->Add( aSensitiveBox );
+    theSelection->Add( aSensitiveBox );*/
   }
   else
   {
-    Standard_Real aDeflection = Prs3d::GetDeflection( myLCMap->GetShape(), myDrawer );
-    HYDROData_LandCoverMap::Iterator anIt( myLCMap );
-    for( ; anIt.More(); anIt.Next() )
-    {
-      StdSelect_BRepSelectionTool::Load( theSelection,
-                                         this,
-                                         anIt.Face(),
-                                         TopAbs_FACE,
-                                         aDeflection,
-                                         myDrawer->HLRAngle(),
-                                         myDrawer->IsAutoTriangulation());
-    }
-    StdSelect::SetDrawerForBRepOwner( theSelection, myDrawer );
+    //TODO
   }
 }