// Copyright (C) 2007-2011 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_CircleDriver.hxx>
#include <GEOMImpl_ICircle.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_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_CircleDriver::GetID()
{
static Standard_GUID aCircleDriver("FF1BBB32-5D14-4df2-980B-3A668264EA16");
return aCircleDriver;
}
//=======================================================================
//function : GEOMImpl_CircleDriver
//purpose :
//=======================================================================
GEOMImpl_CircleDriver::GEOMImpl_CircleDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_CircleDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_ICircle aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if (aType == CIRCLE_PNT_VEC_R) {
// Center
gp_Pnt aP = gp::Origin();
Handle(GEOM_Function) aRefPoint = aCI.GetCenter();
if (!aRefPoint.IsNull()) {
TopoDS_Shape aShapePnt = aRefPoint->GetValue();
if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
Standard_ConstructionError::Raise
("Circle creation aborted: invalid center argument, must be a point");
}
aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
}
// Normal
gp_Vec aV = gp::DZ();
Handle(GEOM_Function) aRefVector = aCI.GetVector();
if (!aRefVector.IsNull()) {
TopoDS_Shape aShapeVec = aRefVector->GetValue();
if (aShapeVec.ShapeType() != TopAbs_EDGE) {
Standard_ConstructionError::Raise
("Circle creation aborted: invalid vector argument, must be a vector or an edge");
}
TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
TopoDS_Vertex V1, V2;
TopExp::Vertices(anE, V1, V2, Standard_True);
if (!V1.IsNull() && !V2.IsNull()) {
aV = gp_Vec(BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
if (aV.Magnitude() < gp::Resolution()) {
Standard_ConstructionError::Raise
("Circle creation aborted: vector of zero length is given");
}
}
}
// Axes
gp_Ax2 anAxes (aP, aV);
// Radius
double anR = aCI.GetRadius();
char aMsg[] = "Circle creation aborted: radius value less than 1e-07 is not acceptable";
if (anR < Precision::Confusion())
Standard_ConstructionError::Raise(aMsg);
// Circle
gp_Circ aCirc (anAxes, anR);
aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
}
else if (aType == CIRCLE_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("Circle creation aborted: coincident points given");
if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line");
double x, y, z, x1, y1, z1, x2, y2, z2, dx, dy, dz, dx2, dy2, dz2, dx3, dy3, dz3, aRadius;
//Calculations for Radius
x = aP1.X(); y = aP1.Y(); z = aP1.Z();
x1 = aP2.X(); y1 = aP2.Y(); z1 = aP2.Z();
dx = x1 - x;
dy = y1 - y;
dz = z1 - z;
aRadius = sqrt(dx*dx + dy*dy + dz*dz);
//Calculations for Plane Vector
x2 = aP3.X(); y2 = aP3.Y(); z2 = aP3.Z();
dx2 = x2 - x; dy2 = y2 - y; dz2 = z2 - z;
dx3 = ((dy*dz2) - (dy2*dz))/100;
dy3 = ((dx2*dz) - (dx*dz2))/100;
dz3 = ((dx*dy2) - (dx2*dy))/100;
//Make Plane Vector
gp_Dir aDir ( dx3, dy3, dz3 );
//Make Circle
gp_Ax2 anAxes (aP1, aDir);
gp_Circ aCirc (anAxes, aRadius);
aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
}
}
else if (aType == CIRCLE_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("Circle creation aborted: coincident points given");
if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
Standard_ConstructionError::Raise("Circle creation aborted: points lay on one line");
Handle(Geom_Circle) aCirc = GC_MakeCircle(aP1, aP2, aP3).Value();
aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
}
}
else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_CircleDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_CircleDriver_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_CircleDriver",
sizeof(GEOMImpl_CircleDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_CircleDriver) Handle(GEOMImpl_CircleDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_CircleDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_CircleDriver))) {
_anOtherObject = Handle(GEOMImpl_CircleDriver)((Handle(GEOMImpl_CircleDriver)&)AnObject);
}
}
return _anOtherObject ;
}