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#include <ShapeUpgrade_FaceDivideArea.ixx>
#include <GProp_GProps.hxx>
#include <BRepGProp.hxx>
#include <Precision.hxx>
#include <ShapeUpgrade_SplitSurfaceArea.hxx>
#include <TopoDS_Shape.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <ShapeExtend.hxx>
#include <ShapeBuild_ReShape.hxx>
#include <BRep_Builder.hxx>
//=======================================================================
//function : ShapeUpgrade_FaceDivideArea
//purpose :
//=======================================================================
ShapeUpgrade_FaceDivideArea::ShapeUpgrade_FaceDivideArea()
{
myMaxArea = Precision::Infinite();
SetPrecision(1.e-5);
SetSplitSurfaceTool (new ShapeUpgrade_SplitSurfaceArea);
}
//=======================================================================
//function : ShapeUpgrade_FaceDivideArea
//purpose :
//=======================================================================
ShapeUpgrade_FaceDivideArea::ShapeUpgrade_FaceDivideArea(const TopoDS_Face& F)
{
myMaxArea = Precision::Infinite();
SetPrecision(1.e-5);
SetSplitSurfaceTool (new ShapeUpgrade_SplitSurfaceArea);
Init(F);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
Standard_Boolean ShapeUpgrade_FaceDivideArea::Perform()
{
myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK );
GProp_GProps aGprop;
BRepGProp::SurfaceProperties(myFace,aGprop,Precision());
Standard_Real anArea = aGprop.Mass();
if((anArea - myMaxArea) < Precision::Confusion())
return Standard_False;
Standard_Integer anbParts = RealToInt(ceil(anArea/myMaxArea));
Handle(ShapeUpgrade_SplitSurfaceArea) aSurfTool= Handle(ShapeUpgrade_SplitSurfaceArea)::
DownCast(GetSplitSurfaceTool ());
if(aSurfTool.IsNull())
return Standard_False;
aSurfTool->NbParts() = anbParts;
if(!ShapeUpgrade_FaceDivide::Perform())
return Standard_False;
TopoDS_Shape aResult = Result();
if(aResult.ShapeType() == TopAbs_FACE)
return Standard_False;
Standard_Integer aStatus = myStatus;
TopExp_Explorer aExpF(aResult,TopAbs_FACE);
TopoDS_Shape aCopyRes = aResult.EmptyCopied();
Standard_Boolean isModified = Standard_False;
for( ; aExpF.More() ; aExpF.Next()) {
TopoDS_Shape aSh = Context()->Apply(aExpF.Current());
TopoDS_Face aFace = TopoDS::Face(aSh);
Init(aFace);
BRep_Builder aB;
if(Perform()) {
isModified = Standard_True;
TopoDS_Shape aRes = Result();
TopExp_Explorer aExpR(aRes,TopAbs_FACE);
for( ; aExpR.More(); aExpR.Next())
aB.Add(aCopyRes,aExpR.Current());
}
else
aB.Add(aCopyRes,aFace);
}
if(isModified)
Context()->Replace(aResult,aCopyRes);
myStatus |= aStatus;
myResult = Context()->Apply ( aResult );
return Status ( ShapeExtend_DONE );
}
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