geom/src/GEOMImpl/GEOMImpl_ArcDriver.cxx

209 lines
6.9 KiB
C++

// Copyright (C) 2007-2013 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.
//
// 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_ArcDriver.hxx>
#include <GEOMImpl_IArc.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <GC_MakeArcOfCircle.hxx>
#include <GC_MakeCircle.hxx>
#include <GC_MakeArcOfEllipse.hxx>
#include <GC_MakeEllipse.hxx>
#include <Standard_ConstructionError.hxx>
#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Circ.hxx>
#include <gp_Elips.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Ellipse.hxx>
#include "utilities.h"
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_ArcDriver::GetID()
{
static Standard_GUID aArcDriver("FF1BBB35-5D14-4df2-980B-3A668264EA16");
return aArcDriver;
}
//=======================================================================
//function : GEOMImpl_ArcDriver
//purpose :
//=======================================================================
GEOMImpl_ArcDriver::GEOMImpl_ArcDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_ArcDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IArc aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if ((aType == CIRC_ARC_THREE_PNT) || (aType == CIRC_ARC_CENTER) || (aType == ELLIPSE_ARC_CENTER_TWO_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("Arc creation aborted: coincident points given");
if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
Standard_ConstructionError::Raise("Arc creation aborted: points lay on one line");
if (aType == CIRC_ARC_THREE_PNT)
{
GC_MakeArcOfCircle arc (aP1, aP2, aP3);
aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
} else if ( aType == CIRC_ARC_CENTER ) { // CIRC_ARC_CENTER
Standard_Boolean sense = aCI.GetSense();
Standard_Real aRad = aP1.Distance(aP2);
gp_Vec aV1 (aP1, aP2);
gp_Vec aV2 (aP1, aP3);
gp_Vec aN = aV1 ^ aV2;
if (sense)
aN = -aN;
GC_MakeCircle circ (aP1, aN, aRad);
Handle(Geom_Circle) aGeomCirc = circ.Value();
GC_MakeArcOfCircle arc (aGeomCirc->Circ(), aP2, aP3, Standard_True);
aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
} else if ( aType == ELLIPSE_ARC_CENTER_TWO_PNT ) { // ELLIPSE_ARC_CENTER_TWO_PNT
if ( aP1.Distance(aP2) <= aP1.Distance(aP3) ) {
// Standard_ConstructionError::Raise("Arc creation aborted: the distance from Center Point to Point 1 needs to be bigger than the distance from Center Point to Point 2");
gp_Pnt aTmpP = aP2;
aP2 = aP3;
aP3 = aTmpP;
}
GC_MakeEllipse ellipse (aP2, aP3, aP1);
Handle(Geom_Ellipse) aGeomEllipse = ellipse.Value();
// gp_Vec aV1 (aP1, aP2);
// gp_Vec aV2 (aP1, aP3);
//
// double alpha = fabs(aV1.Angle(aV2));
GC_MakeArcOfEllipse arc (aGeomEllipse->Elips(), aP2, aP3, Standard_True);
aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
}
}
}
else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//================================================================================
/*!
* \brief Returns a name of creation operation and names and values of creation parameters
*/
//================================================================================
bool GEOMImpl_ArcDriver::
GetCreationInformation(std::string& theOperationName,
std::vector<GEOM_Param>& theParams)
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
GEOMImpl_IArc aCI( function );
Standard_Integer aType = function->GetType();
theOperationName = "ARC";
switch ( aType ) {
case CIRC_ARC_THREE_PNT:
AddParam( theParams, "Point 1", aCI.GetPoint1() );
AddParam( theParams, "Point 2", aCI.GetPoint2() );
AddParam( theParams, "Point 3", aCI.GetPoint3() );
break;
case CIRC_ARC_CENTER:
AddParam( theParams, "Center Point", aCI.GetPoint1() );
AddParam( theParams, "Point Start", aCI.GetPoint2() );
AddParam( theParams, "Point End", aCI.GetPoint3() );
AddParam( theParams, "Reverse", aCI.GetSense() );
break;
case ELLIPSE_ARC_CENTER_TWO_PNT:
AddParam( theParams, "Center Point", aCI.GetPoint1() );
AddParam( theParams, "Point 1", aCI.GetPoint2() );
AddParam( theParams, "Point 2", aCI.GetPoint3() );
break;
default:
return false;
}
return true;
}
IMPLEMENT_STANDARD_HANDLE (GEOMImpl_ArcDriver,GEOM_BaseDriver);
IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_ArcDriver,GEOM_BaseDriver);