geom/src/GEOMImpl/GEOMImpl_MeasureDriver.cxx
2004-12-01 10:39:14 +00:00

135 lines
4.3 KiB
C++

using namespace std;
#include "GEOMImpl_MeasureDriver.hxx"
#include "GEOMImpl_IMeasure.hxx"
#include "GEOMImpl_IMeasureOperations.hxx"
#include "GEOMImpl_Types.hxx"
#include "GEOM_Function.hxx"
#include <BRep_Tool.hxx>
#include <BRepGProp.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <GProp_GProps.hxx>
#include <gp_Pnt.hxx>
#include <Precision.hxx>
#include <Standard_NullObject.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_MeasureDriver::GetID()
{
static Standard_GUID aMeasureDriver("FF1BBB65-5D14-4df2-980B-3A668264EA16");
return aMeasureDriver;
}
//=======================================================================
//function : GEOMImpl_MeasureDriver
//purpose :
//=======================================================================
GEOMImpl_MeasureDriver::GEOMImpl_MeasureDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_MeasureDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IMeasure aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
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");
}
GProp_GProps aSystem;
gp_Pnt aCenterMass;
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();
} else {
BRepGProp::VolumeProperties(aShapeBase, aSystem);
aCenterMass = aSystem.CentreOfMass();
}
aShape = BRepBuilderAPI_MakeVertex(aCenterMass).Shape();
} else {
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_MeasureDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_MeasureDriver_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_MeasureDriver",
sizeof(GEOMImpl_MeasureDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//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);
}
}
return _anOtherObject ;
}