+// Copyright (C) 2007-2014 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
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
-using namespace std;
-#include "GEOMImpl_MeasureDriver.hxx"
-#include "GEOMImpl_IMeasure.hxx"
-#include "GEOMImpl_IMeasureOperations.hxx"
-#include "GEOMImpl_Types.hxx"
-#include "GEOM_Function.hxx"
+#include <Standard_Stream.hxx>
+
+#include <GEOMImpl_MeasureDriver.hxx>
+#include <GEOMImpl_IMeasure.hxx>
+#include <GEOMImpl_Types.hxx>
+
+#include <GEOM_Function.hxx>
+
+#include <GEOMUtils.hxx>
#include <BRep_Tool.hxx>
+#include <BRepTools.hxx>
#include <BRepGProp.hxx>
+#include <BRepBuilderAPI_Copy.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
+#include <BRepPrimAPI_MakeBox.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Wire.hxx>
+#include <TopExp.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
#include <GProp_GProps.hxx>
+#include <GeomLProp_SLProps.hxx>
+#include <Geom_Surface.hxx>
+
+#include <Bnd_Box.hxx>
+#include <BRepBndLib.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <ShapeAnalysis_Surface.hxx>
#include <gp_Pnt.hxx>
#include <Precision.hxx>
#include <Standard_NullObject.hxx>
+#include <StdFail_NotDone.hxx>
//=======================================================================
//function : GetID
TopoDS_Shape aShape;
- if (aType == CDG_MEASURE) {
+ if (aType == CDG_MEASURE)
+ {
+ Handle(GEOM_Function) aRefBase = aCI.GetBase();
+ TopoDS_Shape aShapeBase = aRefBase->GetValue();
+ if (aShapeBase.IsNull())
+ Standard_NullObject::Raise("Shape for centre of mass calculation is null");
+
+ gp_Ax3 aPos = GEOMUtils::GetPosition(aShapeBase);
+ gp_Pnt aCenterMass = aPos.Location();
+ aShape = BRepBuilderAPI_MakeVertex(aCenterMass).Shape();
+ }
+ else if (aType == BND_BOX_MEASURE || aType == BND_BOX_MEASURE_PRECISE)
+ {
+ Handle(GEOM_Function) aRefBase = aCI.GetBase();
+ TopoDS_Shape aShapeBase = aRefBase->GetValue();
+ if (aShapeBase.IsNull())
+ Standard_NullObject::Raise("Shape for bounding box calculation is null");
+
+ BRepBuilderAPI_Copy aCopyTool (aShapeBase);
+ if (!aCopyTool.IsDone())
+ Standard_NullObject::Raise("Shape for bounding box calculation is bad");
+
+ aShapeBase = aCopyTool.Shape();
+
+ // remove triangulation to obtain more exact boundaries
+ BRepTools::Clean(aShapeBase);
+
+ Bnd_Box B;
+ BRepBndLib::Add(aShapeBase, B);
+
+ if (aType == BND_BOX_MEASURE_PRECISE) {
+ if (!GEOMUtils::PreciseBoundingBox(aShapeBase, B)) {
+ Standard_NullObject::Raise("Bounding box cannot be precised");
+ }
+ }
+
+ Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
+ B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
+
+ if (Xmax - Xmin < Precision::Confusion()) Xmax += Precision::Confusion();
+ if (Ymax - Ymin < Precision::Confusion()) Ymax += Precision::Confusion();
+ if (Zmax - Zmin < Precision::Confusion()) Zmax += Precision::Confusion();
+
+ gp_Pnt P1 (Xmin, Ymin, Zmin);
+ gp_Pnt P2 (Xmax, Ymax, Zmax);
+
+ BRepPrimAPI_MakeBox MB (P1, P2);
+ MB.Build();
+ if (!MB.IsDone()) StdFail_NotDone::Raise("Bounding box cannot be computed from the given shape");
+ aShape = MB.Shape();
+ }
+ else if (aType == VERTEX_BY_INDEX)
+ {
Handle(GEOM_Function) aRefBase = aCI.GetBase();
TopoDS_Shape aShapeBase = aRefBase->GetValue();
if (aShapeBase.IsNull()) {
Standard_NullObject::Raise("Shape for centre of mass calculation is null");
}
- GProp_GProps aSystem;
- gp_Pnt aCenterMass;
+ int index = aCI.GetIndex();
+ gp_Pnt aVertex;
if (aShapeBase.ShapeType() == TopAbs_VERTEX) {
- aCenterMass = BRep_Tool::Pnt(TopoDS::Vertex(aShapeBase));
- } else if (aShapeBase.ShapeType() == TopAbs_EDGE || aShapeBase.ShapeType() == TopAbs_WIRE) {
- BRepGProp::LinearProperties(aShapeBase, aSystem);
- aCenterMass = aSystem.CentreOfMass();
- } else if (aShapeBase.ShapeType() == TopAbs_FACE || aShapeBase.ShapeType() == TopAbs_SHELL) {
- BRepGProp::SurfaceProperties(aShapeBase, aSystem);
- aCenterMass = aSystem.CentreOfMass();
+ if ( index != 1 )
+ Standard_NullObject::Raise("Vertex index is out of range");
+ else
+ aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aShapeBase));
+ } else if (aShapeBase.ShapeType() == TopAbs_EDGE) {
+ TopoDS_Vertex aV1, aV2;
+ TopoDS_Edge anEdgeE = TopoDS::Edge(aShapeBase);
+
+ TopExp::Vertices(anEdgeE, aV1, aV2);
+ gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
+ gp_Pnt aP2 = BRep_Tool::Pnt(aV2);
+
+ if (index < 0 || index > 1)
+ Standard_NullObject::Raise("Vertex index is out of range");
+
+ if ( ( anEdgeE.Orientation() == TopAbs_FORWARD && index == 0 ) ||
+ ( anEdgeE.Orientation() == TopAbs_REVERSED && index == 1 ) )
+ aVertex = aP1;
+ else
+ aVertex = aP2;
+ } else if (aShapeBase.ShapeType() == TopAbs_WIRE) {
+ TopTools_IndexedMapOfShape anEdgeShapes;
+ TopTools_IndexedMapOfShape aVertexShapes;
+ TopoDS_Vertex aV1, aV2;
+ TopoDS_Wire aWire = TopoDS::Wire(aShapeBase);
+ TopExp_Explorer exp (aWire, TopAbs_EDGE);
+ for (; exp.More(); exp.Next()) {
+ anEdgeShapes.Add(exp.Current());
+ TopoDS_Edge E = TopoDS::Edge(exp.Current());
+ TopExp::Vertices(E, aV1, aV2);
+ if ( aVertexShapes.Extent() == 0)
+ aVertexShapes.Add(aV1);
+ if ( !aV1.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
+ aVertexShapes.Add(aV1);
+ if ( !aV2.IsSame( aVertexShapes(aVertexShapes.Extent()) ) )
+ aVertexShapes.Add(aV2);
+ }
+
+ if (index < 0 || index > aVertexShapes.Extent())
+ Standard_NullObject::Raise("Vertex index is out of range");
+
+ if (aWire.Orientation() == TopAbs_FORWARD)
+ aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(index+1)));
+ else
+ aVertex = BRep_Tool::Pnt(TopoDS::Vertex(aVertexShapes(aVertexShapes.Extent() - index)));
} else {
- BRepGProp::VolumeProperties(aShapeBase, aSystem);
- aCenterMass = aSystem.CentreOfMass();
+ Standard_NullObject::Raise("Shape for vertex calculation is not an edge or wire");
}
- aShape = BRepBuilderAPI_MakeVertex(aCenterMass).Shape();
+ aShape = BRepBuilderAPI_MakeVertex(aVertex).Shape();
+ }
+ else if (aType == VECTOR_FACE_NORMALE)
+ {
+ // Face
+ Handle(GEOM_Function) aRefBase = aCI.GetBase();
+ TopoDS_Shape aShapeBase = aRefBase->GetValue();
+ if (aShapeBase.IsNull()) {
+ Standard_NullObject::Raise("Face for normale calculation is null");
+ }
+ if (aShapeBase.ShapeType() != TopAbs_FACE) {
+ Standard_NullObject::Raise("Shape for normale calculation is not a face");
+ }
+ TopoDS_Face aFace = TopoDS::Face(aShapeBase);
+
+ // Point
+ gp_Pnt p1 (0,0,0);
+
+ Handle(GEOM_Function) aPntFunc = aCI.GetPoint();
+ if (!aPntFunc.IsNull())
+ {
+ TopoDS_Shape anOptPnt = aPntFunc->GetValue();
+ if (anOptPnt.IsNull())
+ Standard_NullObject::Raise("Invalid shape given for point argument");
+ p1 = BRep_Tool::Pnt(TopoDS::Vertex(anOptPnt));
+ }
+ else
+ {
+ gp_Ax3 aPos = GEOMUtils::GetPosition(aFace);
+ p1 = aPos.Location();
+ }
+
+ // Point parameters on surface
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
+ Handle(ShapeAnalysis_Surface) aSurfAna = new ShapeAnalysis_Surface (aSurf);
+ gp_Pnt2d pUV = aSurfAna->ValueOfUV(p1, Precision::Confusion());
+
+ // Normal direction
+ gp_Vec Vec1,Vec2;
+ BRepAdaptor_Surface SF (aFace);
+ SF.D1(pUV.X(), pUV.Y(), p1, Vec1, Vec2);
+ if (Vec1.Magnitude() < Precision::Confusion()) {
+ gp_Vec tmpV;
+ gp_Pnt tmpP;
+ SF.D1(pUV.X(), pUV.Y()-0.1, tmpP, Vec1, tmpV);
+ }
+ else if (Vec2.Magnitude() < Precision::Confusion()) {
+ gp_Vec tmpV;
+ gp_Pnt tmpP;
+ SF.D1(pUV.X()-0.1, pUV.Y(), tmpP, tmpV, Vec2);
+ }
+
+ gp_Vec V = Vec1.Crossed(Vec2);
+ Standard_Real mod = V.Magnitude();
+ if (mod < Precision::Confusion())
+ Standard_NullObject::Raise("Normal vector of a face has null magnitude");
+
+ // Set length of normal vector to average radius of curvature
+ Standard_Real radius = 0.0;
+ GeomLProp_SLProps aProperties (aSurf, pUV.X(), pUV.Y(), 2, Precision::Confusion());
+ if (aProperties.IsCurvatureDefined()) {
+ Standard_Real radius1 = Abs(aProperties.MinCurvature());
+ Standard_Real radius2 = Abs(aProperties.MaxCurvature());
+ if (Abs(radius1) > Precision::Confusion()) {
+ radius = 1.0 / radius1;
+ if (Abs(radius2) > Precision::Confusion()) {
+ radius = (radius + 1.0 / radius2) / 2.0;
+ }
+ }
+ else {
+ if (Abs(radius2) > Precision::Confusion()) {
+ radius = 1.0 / radius2;
+ }
+ }
+ }
+
+ // Set length of normal vector to average dimension of the face
+ // (only if average radius of curvature is not appropriate)
+ if (radius < Precision::Confusion()) {
+ Bnd_Box B;
+ Standard_Real Xmin, Xmax, Ymin, Ymax, Zmin, Zmax;
+ BRepBndLib::Add(aFace, B);
+ B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
+ radius = ((Xmax - Xmin) + (Ymax - Ymin) + (Zmax - Zmin)) / 3.0;
+ }
- } else {
+ if (radius < Precision::Confusion())
+ radius = 1.0;
+
+ V *= radius / mod;
+
+ // consider the face orientation
+ if (aFace.Orientation() == TopAbs_REVERSED ||
+ aFace.Orientation() == TopAbs_INTERNAL) {
+ V = - V;
+ }
+
+ // Edge
+ gp_Pnt p2 = p1.Translated(V);
+ BRepBuilderAPI_MakeEdge aBuilder (p1, p2);
+ if (!aBuilder.IsDone())
+ Standard_NullObject::Raise("Vector construction failed");
+ aShape = aBuilder.Shape();
+ }
+ else {
}
if (aShape.IsNull()) return 0;
log.SetTouched(Label());
- return 1;
+ return 1;
}
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
-//=======================================================================
-//function : GEOMImpl_MeasureDriver_Type_
-//purpose :
-//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_MeasureDriver_Type_()
+bool GEOMImpl_MeasureDriver::
+GetCreationInformation(std::string& theOperationName,
+ std::vector<GEOM_Param>& theParams)
{
+ if (Label().IsNull()) return 0;
+ Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
- static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
- if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
- static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
- if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
- static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
- if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
-
-
- static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
- static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_MeasureDriver",
- sizeof(GEOMImpl_MeasureDriver),
- 1,
- (Standard_Address)_Ancestors,
- (Standard_Address)NULL);
-
- return _aType;
-}
+ GEOMImpl_IMeasure aCI( function );
+ Standard_Integer aType = function->GetType();
-//=======================================================================
-//function : DownCast
-//purpose :
-//=======================================================================
-const Handle(GEOMImpl_MeasureDriver) Handle(GEOMImpl_MeasureDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
-{
- Handle(GEOMImpl_MeasureDriver) _anOtherObject;
-
- if (!AnObject.IsNull()) {
- if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_MeasureDriver))) {
- _anOtherObject = Handle(GEOMImpl_MeasureDriver)((Handle(GEOMImpl_MeasureDriver)&)AnObject);
- }
+ switch ( aType ) {
+ case CDG_MEASURE:
+ theOperationName = "MASS_CENTER";
+ AddParam( theParams, "Object", aCI.GetBase() );
+ break;
+ case BND_BOX_MEASURE:
+ case BND_BOX_MEASURE_PRECISE:
+ theOperationName = "BND_BOX";
+ AddParam( theParams, "Object", aCI.GetBase() );
+ break;
+ case VERTEX_BY_INDEX:
+ theOperationName = "GetVertexByIndex";
+ AddParam( theParams, "Object", aCI.GetBase() );
+ AddParam( theParams, "Index", aCI.GetIndex() );
+ break;
+ case VECTOR_FACE_NORMALE:
+ theOperationName = "NORMALE";
+ AddParam( theParams, "Face", aCI.GetBase() );
+ AddParam( theParams, "Point", aCI.GetPoint(), "face center" );
+ break;
+ default:
+ return false;
}
- return _anOtherObject ;
+ return true;
}
+IMPLEMENT_STANDARD_HANDLE (GEOMImpl_MeasureDriver,GEOM_BaseDriver);
+
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_MeasureDriver,GEOM_BaseDriver);
