geom/src/GEOMImpl/GEOMImpl_DiskDriver.cxx
2012-08-09 07:58:02 +00:00

204 lines
7.2 KiB
C++
Executable File

// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
//
// 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.
//
// 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
//
#include <Standard_Stream.hxx>
#include <GEOMImpl_DiskDriver.hxx>
#include <GEOMImpl_IDisk.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <GC_MakeCircle.hxx>
#include <Geom_Circle.hxx>
#include <Standard_ConstructionError.hxx>
#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Circ.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_DiskDriver::GetID()
{
static Standard_GUID aDiskDriver("C1FEEF9D-1C6D-41ce-9507-F10D75430CE1");
return aDiskDriver;
}
//=======================================================================
//function : GEOMImpl_DiskDriver
//purpose :
//=======================================================================
GEOMImpl_DiskDriver::GEOMImpl_DiskDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_DiskDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IDisk aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if (aType == DISK_PNT_VEC_R) {
Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
Handle(GEOM_Function) aRefVector = aCI.GetVector();
TopoDS_Shape aShapePnt = aRefPoint->GetValue();
TopoDS_Shape aShapeVec = aRefVector->GetValue();
if (aShapePnt.ShapeType() == TopAbs_VERTEX &&
aShapeVec.ShapeType() == TopAbs_EDGE) {
gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
TopoDS_Vertex V1, V2;
TopExp::Vertices(anE, V1, V2, Standard_True);
if (!V1.IsNull() && !V2.IsNull()) {
gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
gp_Ax2 anAxes (aP, -aV);
gp_Circ aCirc (anAxes, aCI.GetRadius());
TopoDS_Shape aCircle = BRepBuilderAPI_MakeEdge(aCirc).Edge();
BRepBuilderAPI_MakeWire MW;
MW.Add(TopoDS::Edge(aCircle));
BRepBuilderAPI_MakeFace MF (MW, Standard_False);
aShape = MF.Shape();
}
}
}
else if (aType == DISK_THREE_PNT) {
Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();
TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();
if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
aShapePnt2.ShapeType() == TopAbs_VERTEX &&
aShapePnt3.ShapeType() == TopAbs_VERTEX) {
gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));
if (aP1.Distance(aP2) < gp::Resolution() ||
aP1.Distance(aP3) < gp::Resolution() ||
aP2.Distance(aP3) < gp::Resolution())
Standard_ConstructionError::Raise("Disk creation aborted: coincident points given");
if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
Standard_ConstructionError::Raise("Disk creation aborted: points lay on one line");
Handle(Geom_Circle) aCirc = GC_MakeCircle(aP3, aP2, aP1).Value();
TopoDS_Shape aCircle = BRepBuilderAPI_MakeEdge(aCirc).Edge();
BRepBuilderAPI_MakeWire MW;
MW.Add(TopoDS::Edge(aCircle));
BRepBuilderAPI_MakeFace MF (MW, Standard_False);
aShape = MF.Shape();
}
}
else if (aType == DISK_R) {
int anOrient = aCI.GetOrientation();
gp_Pnt aP = gp::Origin();
gp_Vec aV;
if (anOrient == 1)
aV = gp::DZ();
else if (anOrient == 2)
aV = gp::DX();
else if (anOrient == 3)
aV = gp::DY();
gp_Ax2 anAxes (aP, -aV);
gp_Circ aCirc (anAxes, aCI.GetRadius());
TopoDS_Shape aCircle = BRepBuilderAPI_MakeEdge(aCirc).Edge();
BRepBuilderAPI_MakeWire MW;
MW.Add(TopoDS::Edge(aCircle));
BRepBuilderAPI_MakeFace MF (MW, Standard_False);
aShape = MF.Shape();
}
else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_DiskDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_DiskDriver_Type_()
{
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_DiskDriver",
sizeof(GEOMImpl_DiskDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_DiskDriver) Handle(GEOMImpl_DiskDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_DiskDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_DiskDriver))) {
_anOtherObject = Handle(GEOMImpl_DiskDriver)((Handle(GEOMImpl_DiskDriver)&)AnObject);
}
}
return _anOtherObject ;
}