-// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// GEOM OBJECT : interactive object for Geometry entities visualization
-// File : GEOM_AISShape.cxx
-// Author : Nicolas REJNERI
-// Module : GEOM
-
/*!
\class GEOM_AISShape GEOM_AISShape.hxx
\brief ....
*/
-#include "GEOM_AISShape.ixx"
-#include "SALOME_InteractiveObject.hxx"
+#include "GEOM_AISShape.hxx"
#include "GEOM_AISVector.hxx"
-#include <Basics_OCCTVersion.hxx>
+#include <GEOMUtils.hxx>
// Open CASCADE Includes
-#include <AIS_Drawer.hxx>
#include <AIS_InteractiveContext.hxx>
-
+#include <BRepAdaptor_Surface.hxx>
#include <BRep_Tool.hxx>
-
#include <GCPnts_AbscissaPoint.hxx>
#include <GeomAdaptor_Curve.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Dir.hxx>
-#include <gp_Vec.hxx>
+#include <Graphic3d_ArrayOfPoints.hxx>
#include <Graphic3d_AspectFillArea3d.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Graphic3d_AspectText3d.hxx>
-
-#include <Prs3d_ShadingAspect.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_IsoAspect.hxx>
-#if OCC_VERSION_LARGE > 0x06070200
-#include <Prs3d_VertexDrawMode.hxx>
-#endif
-
+#include <Prs3d_ShadingAspect.hxx>
#include <SelectBasics_SensitiveEntity.hxx>
#include <SelectMgr_EntityOwner.hxx>
-#include <StdSelect_BRepOwner.hxx>
#include <SelectMgr_IndexedMapOfOwner.hxx>
#include <SelectMgr_Selection.hxx>
-#include <StdSelect_DisplayMode.hxx>
#include <StdPrs_ShadedShape.hxx>
-#include <StdPrs_WFDeflectionShape.hxx>
-
+#include <StdSelect_BRepOwner.hxx>
+#include <StdSelect_DisplayMode.hxx>
#include <TColStd_IndexedMapOfInteger.hxx>
#include <TColStd_ListIteratorOfListOfInteger.hxx>
#include <TColStd_ListOfInteger.hxx>
#include <TopExp.hxx>
-#include <TopoDS_Shape.hxx>
-#include <TopTools_IndexedMapOfShape.hxx>
-#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
-
-#include <TColStd_SequenceOfInteger.hxx>
-
#include <V3d_View.hxx>
+#include <gp_Dir.hxx>
+#include <gp_Pnt.hxx>
+#include <gp_Vec.hxx>
+#include <Prs3d_VertexDrawMode.hxx>
+#include <StdPrs_WFShape.hxx>
#include <SalomeApp_Tools.h>
-
#include <SUIT_Session.h>
#include <SUIT_ResourceMgr.h>
+IMPLEMENT_STANDARD_RTTIEXT(GEOM_AISShape, SALOME_AISShape)
+
GEOM_AISShape::TopLevelDispMode GEOM_AISShape::myTopLevelDm = GEOM_AISShape::TopKeepCurrent;
Quantity_Color GEOM_AISShape::myTopLevelColor;
-static void getEntityOwners( const Handle(AIS_InteractiveObject)& theObj,
+static void getEntityOwners( const Handle(AIS_InteractiveObject)& theObj,
const Handle(AIS_InteractiveContext)& theIC,
- SelectMgr_IndexedMapOfOwner& theMap )
+ SelectMgr_IndexedMapOfOwner& theMap )
{
if ( theObj.IsNull() || theIC.IsNull() )
return;
Handle(SelectMgr_Selection) sel = theObj->Selection( m );
for ( sel->Init(); sel->More(); sel->Next() ) {
- Handle(SelectBasics_SensitiveEntity) entity = sel->Sensitive();
- if ( entity.IsNull() )
+ const Handle(SelectMgr_SensitiveEntity) aHSenEntity = sel->Sensitive();
+ if( aHSenEntity.IsNull() )
continue;
+ Handle(SelectBasics_SensitiveEntity) entity = aHSenEntity->BaseSensitive();
+ if ( entity.IsNull() )
+ continue;
Handle(SelectMgr_EntityOwner) owner =
Handle(SelectMgr_EntityOwner)::DownCast(entity->OwnerId());
if ( !owner.IsNull() )
}
static void indicesToOwners( const TColStd_IndexedMapOfInteger& aIndexMap,
- const TopoDS_Shape& aMainShape,
- const SelectMgr_IndexedMapOfOwner& anAllMap,
- SelectMgr_IndexedMapOfOwner& aToHiliteMap )
+ const TopoDS_Shape& aMainShape,
+ const SelectMgr_IndexedMapOfOwner& anAllMap,
+ SelectMgr_IndexedMapOfOwner& aToHiliteMap )
{
TopTools_IndexedMapOfShape aMapOfShapes;
TopExp::MapShapes(aMainShape, aMapOfShapes);
Standard_Integer aSubShapeId = aMapOfShapes.FindIndex( aSubShape );
if ( !aSubShapeId || !aIndexMap.Contains( aSubShapeId ) )
continue;
-
+
if ( !aToHiliteMap.Contains( anOwner ) )
aToHiliteMap.Add( anOwner );
}
}
-GEOM_AISShape::GEOM_AISShape(const TopoDS_Shape& shape,
+GEOM_AISShape::GEOM_AISShape(const TopoDS_Shape& shape,
const Standard_CString aName)
: SALOME_AISShape(shape),
myName(aName),
myFieldStepRangeMin(0),
myFieldStepRangeMax(0)
{
- //rnv: Commented to avoid bug with local selection
+ //rnv: Commented to avoid bug with local selection
//SetHilightMode( CustomHighlight ); // override setting the mode to 0 inside AIS_Shape constructor
myShadingColor = Quantity_Color( Quantity_NOC_GOLDENROD );
myTopLevel = Standard_False;
Graphic3d_MaterialAspect aMatAspect;
if ( !HasMaterial() ) {
- aMatAspect.SetAmbient( 0.5 );
- aMatAspect.SetDiffuse( 0.5 );
- aMatAspect.SetEmissive( 0.5 );
- aMatAspect.SetShininess(0.5 );
- aMatAspect.SetSpecular( 0.5 );
-
- myDrawer->ShadingAspect()->Aspect()->SetFrontMaterial(aMatAspect);
- myDrawer->ShadingAspect()->Aspect()->SetBackMaterial(aMatAspect);
+ aMatAspect.SetAmbient( 0.5 );
+ aMatAspect.SetDiffuse( 0.5 );
+ aMatAspect.SetEmissive( 0.5 );
+ aMatAspect.SetShininess(0.5 );
+ aMatAspect.SetSpecular( 0.5 );
+
+ myDrawer->ShadingAspect()->Aspect()->SetFrontMaterial(aMatAspect);
+ myDrawer->ShadingAspect()->Aspect()->SetBackMaterial(aMatAspect);
}
}
-void GEOM_AISShape::setIO(const Handle(SALOME_InteractiveObject)& io){
+GEOM_AISShape::~GEOM_AISShape()
+{
+}
+
+void GEOM_AISShape::setIO(const Handle(SALOME_InteractiveObject)& io)
+{
SetOwner( io );
}
-Handle(SALOME_InteractiveObject) GEOM_AISShape::getIO(){
+Handle(SALOME_InteractiveObject) GEOM_AISShape::getIO()
+{
Handle(SALOME_InteractiveObject) IO;
if ( !GetOwner().IsNull() )
IO = Handle(SALOME_InteractiveObject)::DownCast( GetOwner() );
return IO;
}
-Standard_Boolean GEOM_AISShape::hasIO(){
+Standard_Boolean GEOM_AISShape::hasIO()
+{
return !getIO().IsNull();
}
IO->setName(aName);
}
-Standard_CString GEOM_AISShape::getName(){
+Standard_CString GEOM_AISShape::getName()
+{
return myName.ToCString();
}
void GEOM_AISShape::Compute(const Handle(PrsMgr_PresentationManager3d)& aPresentationManager,
- const Handle(Prs3d_Presentation)& aPrs,
- const Standard_Integer aMode)
-{
+ const Handle(Prs3d_Presentation)& aPrs,
+ const Standard_Integer aMode)
+{
if (IsInfinite()) aPrs->SetInfiniteState(Standard_True); //pas de prise en compte lors du FITALL
Handle(AIS_InteractiveContext) anIC = GetContext();
+ // AKL: use old behavior to avoid keeping object's wireframe
+ // if to change shape properties (for example: 'Clear Top Level State','Color', 'Isos')
+ // calling popup menu over(!) the shape in OCC viewer.
+ anIC->SetToHilightSelected( false );
bool anIsField = !myFieldStepData.isEmpty();
bool anIsColorField = anIsField && myFieldDataType != GEOM::FDT_String;
bool anIsTextField = anIsField && myFieldDataType == GEOM::FDT_String;
-#if OCC_VERSION_LARGE > 0x06070200
if (isShowVertices())
myDrawer->SetVertexDrawMode(Prs3d_VDM_All);
-#endif
// StdSelect_DisplayMode d = (StdSelect_DisplayMode) aMode;
bool isTopLev = isTopLevel() && switchTopLevel();
switch (aMode) {
- case 0://StdSelect_DM_Wireframe:
+ case Wireframe:
case CustomHighlight:
{
if(isTopLev) {
if( !isTopLev && anIsColorField && myFieldDimension == 1 )
drawField( aPrs, false, aMode == CustomHighlight );
else
- StdPrs_WFDeflectionShape::Add(aPrs,myshape,myDrawer);
+ StdPrs_WFShape::Add(aPrs,myshape,myDrawer);
break;
}
- case 1://StdSelect_DM_Shading:
+ case Shading:
{
shadingMode(aPresentationManager, aPrs, aMode);
break;
}
- case 2: { //ShadingWithEdges
- //Shaded faces
- shadingMode(aPresentationManager, aPrs, AIS_Shaded);
+ case ShadingWithEdges:
+ {
myDrawer->SetFaceBoundaryDraw( Standard_True );
- Handle(Prs3d_LineAspect) aBoundaryAspect =
- new Prs3d_LineAspect ( myEdgesInShadingColor, Aspect_TOL_SOLID, myOwnWidth );
- myDrawer->SetFaceBoundaryAspect (aBoundaryAspect);
+ shadingMode(aPresentationManager, aPrs, Shading);
+ if( anIsColorField && myFieldDimension == 1 ) {
+ myDrawer->SetFaceBoundaryDraw( Standard_False );
+ drawField( aPrs );
+ }
break;
}
- case 3: //StdSelect_DM_HLR:
+ case TexturedShape:
{
- if(!isTopLev)
- AIS_TexturedShape::Compute(aPresentationManager, aPrs, aMode);
- else
- shadingMode(aPresentationManager, aPrs, AIS_Shaded);
+ shadingMode(aPresentationManager, aPrs, Shading);
break;
}
}
if( anIsTextField )
drawField( aPrs, true );
+ if( isShowName() )
+ drawName( aPrs );
+
// aPrs->ReCompute(); // for hidden line recomputation if necessary...
}
myEdgesInShadingColor = aCol;
}
+void GEOM_AISShape::SetLabelColor(const Quantity_Color &aCol)
+{
+ myLabelColor = aCol;
+}
+
void GEOM_AISShape::highlightSubShapes(const TColStd_IndexedMapOfInteger& aIndexMap,
- const Standard_Boolean aHighlight )
+ const Standard_Boolean aHighlight )
{
Handle(AIS_InteractiveObject) anObj = this;
Handle(AIS_InteractiveContext) anIC = GetContext();
myDisplayVertices = isDisplayed;
}
+void GEOM_AISShape::SetDisplayName(bool isDisplayed)
+{
+ myDisplayName = isDisplayed;
+}
+
void GEOM_AISShape::shadingMode(const Handle(PrsMgr_PresentationManager3d)& aPresentationManager,
- const Handle(Prs3d_Presentation)& aPrs,
- const Standard_Integer aMode)
+ const Handle(Prs3d_Presentation)& aPrs,
+ const Standard_Integer aMode)
{
myDrawer->ShadingAspect()->Aspect()->SetDistinguishOn();
if( isTopLevel() && switchTopLevel() )
myDrawer->ShadingAspect()->SetColor( topLevelColor() );
- else {
+ else {
if(myDrawer->ShadingAspect()->Aspect()->FrontMaterial().MaterialType( Graphic3d_MATERIAL_ASPECT ))
myDrawer->ShadingAspect()->SetColor(myShadingColor);
else
{
// PAL12113: AIS_Shape::Compute() works correctly with shapes containing no faces
//StdPrs_ShadedShape::Add(aPrs,myshape,myDrawer);
- AIS_Shape::Compute(aPresentationManager, aPrs, aMode);
+ SALOME_AISShape::Compute(aPresentationManager, aPrs, aMode);
}
}
-Standard_Boolean GEOM_AISShape::isTopLevel() {
+Standard_Boolean GEOM_AISShape::isTopLevel()
+{
return myTopLevel;
}
-void GEOM_AISShape::setTopLevel(Standard_Boolean f) {
+void GEOM_AISShape::setTopLevel(Standard_Boolean f)
+{
if(f) {
if(f != myTopLevel)
myPrevDisplayMode = DisplayMode();
Standard_Integer dm;
switch(topLevelDisplayMode()) {
- case TopKeepCurrent : dm = myPrevDisplayMode; break;
- case TopWireFrame : dm = AIS_WireFrame; break;
- case TopShadingWithEdges : dm = ShadingWithEdges; break;
- default : dm = AIS_Shaded; break;
+ case TopWireFrame : dm = Wireframe; break;
+ case TopShading : dm = Shading; break;
+ case TopShadingWithEdges : dm = ShadingWithEdges; break;
+ default : dm = myPrevDisplayMode; break;
}
SetDisplayMode(dm);
} else {
myTopLevel = f;
}
-void GEOM_AISShape::setPrevDisplayMode(const Standard_Integer mode) {
+void GEOM_AISShape::setPrevDisplayMode(const Standard_Integer mode)
+{
myPrevDisplayMode = mode;
}
-Quantity_Color GEOM_AISShape::topLevelColor() {
+Quantity_Color GEOM_AISShape::topLevelColor()
+{
return myTopLevelColor;
}
-void GEOM_AISShape::setTopLevelColor(const Quantity_Color c) {
+void GEOM_AISShape::setTopLevelColor(const Quantity_Color c)
+{
myTopLevelColor = c;
}
-GEOM_AISShape::TopLevelDispMode GEOM_AISShape::topLevelDisplayMode() {
+GEOM_AISShape::TopLevelDispMode GEOM_AISShape::topLevelDisplayMode()
+{
return myTopLevelDm;
}
-void GEOM_AISShape::setTopLevelDisplayMode(const GEOM_AISShape::TopLevelDispMode dm) {
+
+void GEOM_AISShape::setTopLevelDisplayMode(const GEOM_AISShape::TopLevelDispMode dm)
+{
myTopLevelDm = dm;
}
-Standard_Boolean GEOM_AISShape::switchTopLevel() {
- return myTopLevelDm != TopShowAdditionalWActor;
+Standard_Boolean GEOM_AISShape::switchTopLevel()
+{
+ return myTopLevelDm != TopShowAdditionalWActor;
}
-Standard_Boolean GEOM_AISShape::toActivate() {
- return Standard_True;
+Standard_Boolean GEOM_AISShape::toActivate()
+{
+ return ( myTopLevel && myTopLevelDm == TopShowAdditionalWActor ) ? false : true;
}
-void GEOM_AISShape::setFieldStepInfo( const GEOM::field_data_type theFieldDataType,
- const int theFieldDimension,
- const QList<QVariant>& theFieldStepData,
+void GEOM_AISShape::setFieldStepInfo( const GEOM::field_data_type theFieldDataType,
+ const int theFieldDimension,
+ const QList<QVariant>& theFieldStepData,
const TCollection_AsciiString& theFieldStepName,
- const double theFieldStepRangeMin,
- const double theFieldStepRangeMax )
+ const double theFieldStepRangeMin,
+ const double theFieldStepRangeMax )
{
- myFieldDataType = theFieldDataType;
- myFieldDimension = theFieldDimension;
- myFieldStepData = theFieldStepData;
- myFieldStepName = theFieldStepName;
+ myFieldDataType = theFieldDataType;
+ myFieldDimension = theFieldDimension;
+ myFieldStepData = theFieldStepData;
+ myFieldStepName = theFieldStepName;
myFieldStepRangeMin = theFieldStepRangeMin;
myFieldStepRangeMax = theFieldStepRangeMax;
}
-void GEOM_AISShape::getFieldStepInfo( GEOM::field_data_type& theFieldDataType,
- int& theFieldDimension,
- QList<QVariant>& theFieldStepData,
+void GEOM_AISShape::getFieldStepInfo( GEOM::field_data_type& theFieldDataType,
+ int& theFieldDimension,
+ QList<QVariant>& theFieldStepData,
TCollection_AsciiString& theFieldStepName,
- double& theFieldStepRangeMin,
- double& theFieldStepRangeMax ) const
+ double& theFieldStepRangeMin,
+ double& theFieldStepRangeMax ) const
{
- theFieldDataType = myFieldDataType;
- theFieldDimension = myFieldDimension;
- theFieldStepData = myFieldStepData;
- theFieldStepName = myFieldStepName;
+ theFieldDataType = myFieldDataType;
+ theFieldDimension = myFieldDimension;
+ theFieldStepData = myFieldStepData;
+ theFieldStepName = myFieldStepName;
theFieldStepRangeMin = myFieldStepRangeMin;
theFieldStepRangeMax = myFieldStepRangeMax;
}
void GEOM_AISShape::drawField( const Handle(Prs3d_Presentation)& thePrs,
- const bool theIsString,
- const bool theIsHighlight )
+ const bool theIsString,
+ const bool theIsHighlight )
{
if( myFieldStepData.isEmpty() )
return;
TopAbs_ShapeEnum aShapeType = TopAbs_SHAPE;
switch( myFieldDimension )
{
- case 0: aShapeType = TopAbs_VERTEX; break;
- case 1: aShapeType = TopAbs_EDGE; break;
- case 2: aShapeType = TopAbs_FACE; break;
- case 3: aShapeType = TopAbs_SOLID; break;
+ case 0: aShapeType = TopAbs_VERTEX; break;
+ case 1: aShapeType = TopAbs_EDGE; break;
+ case 2: aShapeType = TopAbs_FACE; break;
+ case 3: aShapeType = TopAbs_SOLID; break;
case -1: aShapeType = TopAbs_VERTEX; break;
}
Handle(Graphic3d_AspectText3d) anAspectText3d = new Graphic3d_AspectText3d();
anAspectText3d->SetStyle( Aspect_TOST_ANNOTATION );
+ anAspectText3d->SetColor( myLabelColor );
aGroup->SetPrimitivesAspect( anAspectText3d );
aGroup->Text( aString.toLatin1().constData(), aVertex, 14 );
else
{
Quantity_Color aColor( aQColor.redF(), aQColor.greenF(), aQColor.blueF(), Quantity_TOC_RGB );
+ SetCustomColor( aSubShape, aColor );
if( myFieldDimension == 0 )
{
TopoDS_Vertex aVertexShape = TopoDS::Vertex( aSubShape );
myDrawer->WireAspect()->SetWidth( myOwnWidth );
else
myDrawer->WireAspect()->SetWidth( myOwnWidth + 4 );
- StdPrs_WFDeflectionShape::Add( thePrs, aSubShape, myDrawer );
+ /*
+ StdPrs_WFShape::Add( thePrs, aSubShape, myDrawer );
+ */
}
else if( myFieldDimension == 2 ||
myFieldDimension == 3 ||
myFieldDimension == -1 )
{
- myDrawer->ShadingAspect()->SetColor( aColor );
- StdPrs_ShadedShape::Add( thePrs, aSubShape, myDrawer );
+ //Handle(Prs3d_ShadingAspect) anAspect = new Prs3d_ShadingAspect();
+ //anAspect->SetColor( aColor );
+ //myDrawer->SetShadingAspect( anAspect );
+ //StdPrs_ShadedShape::Add( thePrs, aSubShape, myDrawer );
}
}
}
}
+
+ SALOME_AISShape::Compute( Handle(PrsMgr_PresentationManager3d)(),
+ thePrs, AIS_Shaded );
+}
+
+void GEOM_AISShape::drawName( const Handle(Prs3d_Presentation)& thePrs )
+{
+ Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup( thePrs );
+
+ gp_Ax3 anAx3 = GEOMUtils::GetPosition(myshape);
+ gp_Pnt aCenter = anAx3.Location();
+
+ Graphic3d_Vertex aVertex( aCenter.X(), aCenter.Y(), aCenter.Z() );
+
+ Handle(Graphic3d_AspectText3d) anAspectText3d = new Graphic3d_AspectText3d();
+ anAspectText3d->SetStyle( Aspect_TOST_ANNOTATION );
+ anAspectText3d->SetColor( myLabelColor );
+ aGroup->SetPrimitivesAspect( anAspectText3d );
+
+ const char* aName = getIO()->getName();
+ aGroup->Text( TCollection_ExtendedString( aName ), aVertex, 16 );
}
Standard_Boolean GEOM_AISShape::computeMassCenter( const TopoDS_Shape& theShape,
- gp_Pnt& theCenter )
+ gp_Pnt& theCenter )
{
- Standard_Real aX = 0, aY = 0, aZ = 0;
+ theCenter.SetCoord( 0,0,0 );
Standard_Integer aNbPoints = 0;
- TopExp_Explorer anExp;
- for( anExp.Init( theShape, TopAbs_VERTEX ); anExp.More(); anExp.Next() )
+ if ( theShape.ShapeType() == TopAbs_EDGE )
{
- TopoDS_Vertex aVertex = TopoDS::Vertex( anExp.Current() );
- if( !aVertex.IsNull() )
+ double f,l;
+ Handle(Geom_Curve) curve = BRep_Tool::Curve( TopoDS::Edge( theShape ), f, l );
+ if ( !curve.IsNull() )
{
- gp_Pnt aPnt = BRep_Tool::Pnt( aVertex );
- aX += aPnt.X();
- aY += aPnt.Y();
- aZ += aPnt.Z();
- aNbPoints++;
+ theCenter = curve->Value( 0.5 * ( f + l ));
+ aNbPoints = 1;
+ }
+ }
+ else if ( theShape.ShapeType() == TopAbs_FACE )
+ {
+ const TopoDS_Face& F = TopoDS::Face( theShape );
+ BRepAdaptor_Surface surface( F );
+
+ TopLoc_Location L;
+ Handle(Poly_Triangulation) triangulation = BRep_Tool::Triangulation( F, L );
+ if ( !triangulation.IsNull() && triangulation->HasUVNodes() )
+ {
+ gp_XY C( 0, 0 );
+ double A = 0;
+ const TColgp_Array1OfPnt2d& uvArray = triangulation->UVNodes();
+ const Poly_Array1OfTriangle& trias = triangulation->Triangles();
+ Standard_Integer n1,n2,n3;
+ for ( int iT = trias.Lower(); iT <= trias.Upper(); ++iT )
+ {
+ trias( iT ).Get( n1,n2,n3 );
+ const gp_Pnt2d& uv1 = uvArray( n1 );
+ const gp_Pnt2d& uv2 = uvArray( n2 );
+ const gp_Pnt2d& uv3 = uvArray( n3 );
+ double a = 0.5 * sqrt(( uv1.X() - uv3.X() ) * ( uv2.Y() - uv1.Y() ) -
+ ( uv1.X() - uv2.X() ) * ( uv3.Y() - uv1.Y() ));
+ C += ( uv1.XY() + uv2.XY() + uv3.XY() ) / 3. * a;
+ A += a;
+ }
+ if ( A > std::numeric_limits<double>::min() )
+ {
+ C /= A;
+ theCenter = surface.Value( C.X(), C.Y() );
+ aNbPoints = 1;
+ }
+ }
+ if ( aNbPoints == 0 )
+ {
+ theCenter = surface.Value( 0.5 * ( surface.FirstUParameter() + surface.LastUParameter() ),
+ 0.5 * ( surface.FirstVParameter() + surface.LastVParameter() ));
+ }
+ aNbPoints = 1;
+ }
+
+ if ( aNbPoints == 0 )
+ {
+ TopExp_Explorer anExp;
+ for( anExp.Init( theShape, TopAbs_VERTEX ); anExp.More(); anExp.Next() )
+ {
+ TopoDS_Vertex aVertex = TopoDS::Vertex( anExp.Current() );
+ if( !aVertex.IsNull() )
+ {
+ gp_Pnt aPnt = BRep_Tool::Pnt( aVertex );
+ theCenter.ChangeCoord() += aPnt.XYZ();
+ aNbPoints++;
+ }
}
}
- if( aNbPoints == 0 )
- return Standard_False;
+ if ( aNbPoints > 0 )
+ theCenter.ChangeCoord() /= (Standard_Real) aNbPoints;
- theCenter.SetCoord( aX / (Standard_Real)aNbPoints,
- aY / (Standard_Real)aNbPoints,
- aZ / (Standard_Real)aNbPoints );
- return Standard_True;
+ return aNbPoints;
}
