kindred/create
1
1
Fork 0
Code Issues 37 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

Part: [skip ci] add method to approximate a B-spline curve with a given max. degree

Browse Source
This commit is contained in:
wmayer
2020-10-23 00:06:31 +02:00
parent 09c72214e8
commit 4fbc693014
3 changed files with 70 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/Mod/Part/App/Geometry.cpp
View File

@@ -23,6 +23,7 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <Approx_Curve3d.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeVertex.hxx>
@@ -50,6 +51,7 @@
# include <Geom_RectangularTrimmedSurface.hxx>
# include <Geom_SurfaceOfRevolution.hxx>
# include <Geom_SurfaceOfLinearExtrusion.hxx>
# include <GeomAdaptor_HCurve.hxx>
# include <GeomAPI_Interpolate.hxx>
# include <GeomConvert.hxx>
# include <GeomConvert_CompCurveToBSplineCurve.hxx>
@@ -1338,19 +1340,47 @@ void GeomBSplineCurve::makeC1Continuous(double tol, double ang_tol)
GeomConvert::C0BSplineToC1BSplineCurve(this->myCurve, tol, ang_tol);
}
void GeomBSplineCurve::increaseDegree(double degree)
void GeomBSplineCurve::increaseDegree(int degree)
{
try {
Handle(Geom_BSplineCurve) curve = Handle(Geom_BSplineCurve)::DownCast(this->handle());
curve->IncreaseDegree(degree);
return;
}
catch (Standard_Failure& e) {
THROWM(Base::CADKernelError,e.GetMessageString())
}
}
/*!
* \brief GeomBSplineCurve::approximate
* \param tol3d
* \param maxSegments
* \param maxDegree
* \param continuity
* \return true if the approximation succeeded, false otherwise
*/
bool GeomBSplineCurve::approximate(double tol3d, int maxSegments, int maxDegree, int continuity)
{
try {
GeomAbs_Shape cont = GeomAbs_C0;
if (continuity >= 0 && continuity <= 6)
cont = static_cast<GeomAbs_Shape>(continuity);
GeomAdaptor_Curve adapt(myCurve);
Handle(GeomAdaptor_HCurve) hCurve = new GeomAdaptor_HCurve(adapt);
Approx_Curve3d approx(hCurve, tol3d, cont, maxSegments, maxDegree);
if (approx.IsDone() && approx.HasResult()) {
this->setHandle(approx.Curve());
return true;
}
}
catch (Standard_Failure& e) {
THROWM(Base::CADKernelError,e.GetMessageString())
}
return false;
}
void GeomBSplineCurve::increaseMultiplicity(int index, int multiplicity)
{
try {
@@ -1359,7 +1389,6 @@ void GeomBSplineCurve::increaseMultiplicity(int index, int multiplicity)
return;
}
catch (Standard_Failure& e) {
THROWM(Base::CADKernelError,e.GetMessageString())
}
}