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create/src/Mod/Part/App/GeometrySurfacePyImp.cpp

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/***************************************************************************
* Copyright (c) 2009 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRepBuilderAPI_MakeFace.hxx>
# include <gp_Circ.hxx>
# include <gp_Dir.hxx>
# include <gp_Elips.hxx>
# include <gp_Hypr.hxx>
# include <gp_Parab.hxx>
# include <gp_Vec.hxx>
# include <gp_Lin.hxx>
# include <gp_Quaternion.hxx>
# include <Geom_Geometry.hxx>
# include <Geom_Surface.hxx>
# include <GeomAPI_ProjectPointOnSurf.hxx>
# include <GeomConvert_ApproxSurface.hxx>
# include <GeomLProp_SLProps.hxx>
# include <Precision.hxx>
# include <Standard_Failure.hxx>
# include <Standard_Version.hxx>
# include <ShapeAnalysis_Surface.hxx>
# include <GeomAPI_IntSS.hxx>
# include <GeomLib_IsPlanarSurface.hxx>
# include <Geom_BSplineSurface.hxx>
#endif
#include <Base/GeometryPyCXX.h>
#include <Base/VectorPy.h>
#include "OCCError.h"
#include "Geometry.h"
#include <Mod/Part/App/GeometrySurfacePy.h>
#include <Mod/Part/App/GeometrySurfacePy.cpp>
#include <Mod/Part/App/GeometryCurvePy.h>
#include <Mod/Part/App/BSplineSurfacePy.h>
#include <Mod/Part/App/LinePy.h>
#include <Mod/Part/App/LineSegmentPy.h>
#include <Mod/Part/App/BezierCurvePy.h>
#include <Mod/Part/App/BSplineCurvePy.h>
#include <Mod/Part/App/CirclePy.h>
#include <Mod/Part/App/ArcOfCirclePy.h>
#include <Mod/Part/App/EllipsePy.h>
#include <Mod/Part/App/ArcOfEllipsePy.h>
#include <Mod/Part/App/HyperbolaPy.h>
#include <Mod/Part/App/ArcOfHyperbolaPy.h>
#include <Mod/Part/App/ParabolaPy.h>
#include <Mod/Part/App/ArcOfParabolaPy.h>
#include <Mod/Part/App/OffsetCurvePy.h>
#include <Mod/Part/App/TopoShape.h>
#include <Mod/Part/App/TopoShapePy.h>
#include <Mod/Part/App/TopoShapeFacePy.h>
namespace Part {
const Py::Object makeTrimmedCurvePy(const Handle(Geom_Curve)& c, double f, double l)
{
try {
std::unique_ptr<GeomCurve> gc(makeFromTrimmedCurve(c, f, l));
return Py::asObject(gc->getPyObject());
}
catch (const Base::Exception& e) {
throw Py::TypeError(e.what());
}
}
const Py::Object makeGeometryCurvePy(const Handle(Geom_Curve)& c)
{
try {
std::unique_ptr<GeomCurve> gc(makeFromCurve(c));
return Py::asObject(gc->getPyObject());
}
catch (const Base::Exception& e) {
throw Py::TypeError(e.what());
}
}
} // Part
// ---------------------------------------
using namespace Part;
// returns a string which represents the object e.g. when printed in python
std::string GeometrySurfacePy::representation(void) const
{
return "<Surface object>";
}
PyObject *GeometrySurfacePy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
{
// never create such objects with the constructor
PyErr_SetString(PyExc_RuntimeError,
"You cannot create an instance of the abstract class 'GeometrySurface'.");
return 0;
}
// constructor method
int GeometrySurfacePy::PyInit(PyObject* /*args*/, PyObject* /*kwd*/)
{
return 0;
}
PyObject* GeometrySurfacePy::toShape(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
double u1,u2,v1,v2;
s->Bounds(u1,u2,v1,v2);
if (!PyArg_ParseTuple(args, "|dddd", &u1,&u2,&v1,&v2))
return 0;
BRepBuilderAPI_MakeFace mkBuilder(s, u1, u2, v1, v2
#if OCC_VERSION_HEX >= 0x060502
, Precision::Confusion()
#endif
);
TopoDS_Shape sh = mkBuilder.Shape();
return new TopoShapeFacePy(new TopoShape(sh));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::getD0(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u, &v))
return nullptr;
gp_Pnt p;
s->D0(u, v, p);
return new Base::VectorPy(Base::Vector3d(p.X(),p.Y(),p.Z()));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return nullptr;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return nullptr;
}
PyObject* GeometrySurfacePy::getDN(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
int nu, nv;
double u,v;
if (!PyArg_ParseTuple(args, "ddii", &u, &v, &nu, &nv))
return nullptr;
gp_Vec v1 = s->DN(u, v, nu, nv);
return new Base::VectorPy(Base::Vector3d(v1.X(),v1.Y(),v1.Z()));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return nullptr;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return nullptr;
}
PyObject* GeometrySurfacePy::value(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u,&v))
return 0;
gp_Pnt p = s->Value(u,v);
return new Base::VectorPy(Base::Vector3d(p.X(),p.Y(),p.Z()));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::tangent(PyObject *args)
{
Handle(Geom_Geometry) g = getGeometryPtr()->handle();
Handle(Geom_Surface) s = Handle(Geom_Surface)::DownCast(g);
try {
if (!s.IsNull()) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u,&v))
return 0;
gp_Dir dir;
Py::Tuple tuple(2);
GeomLProp_SLProps prop(s,u,v,2,Precision::Confusion());
if (prop.IsTangentUDefined()) {
prop.TangentU(dir);
tuple.setItem(0, Py::Vector(Base::Vector3d(dir.X(),dir.Y(),dir.Z())));
}
if (prop.IsTangentVDefined()) {
prop.TangentV(dir);
tuple.setItem(1, Py::Vector(Base::Vector3d(dir.X(),dir.Y(),dir.Z())));
}
return Py::new_reference_to(tuple);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::normal(PyObject *args)
{
try {
GeomSurface* s = getGeomSurfacePtr();
if (s) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u,&v))
return 0;
gp_Dir d;
if (s->normal(u,v,d)) {
return new Base::VectorPy(Base::Vector3d(d.X(),d.Y(),d.Z()));
}
else {
PyErr_SetString(PyExc_RuntimeError, "normal at this point is not defined");
return 0;
}
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::projectPoint(PyObject *args, PyObject* kwds)
{
PyObject* v;
const char* meth = "NearestPoint";
static char *kwlist[] = {"Point", "Method", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!|s", kwlist,
&Base::VectorPy::Type, &v, &meth))
return nullptr;
try {
Base::Vector3d vec = Py::Vector(v, false).toVector();
gp_Pnt pnt(vec.x, vec.y, vec.z);
std::string method = meth;
Handle(Geom_Geometry) geom = getGeometryPtr()->handle();
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast(geom);
GeomAPI_ProjectPointOnSurf proj(pnt, surf);
if (method == "NearestPoint") {
pnt = proj.NearestPoint();
vec.Set(pnt.X(), pnt.Y(), pnt.Z());
return new Base::VectorPy(vec);
}
else if (method == "LowerDistance") {
Py::Float dist(proj.LowerDistance());
return Py::new_reference_to(dist);
}
else if (method == "LowerDistanceParameters") {
Standard_Real u, v;
proj.LowerDistanceParameters(u, v);
Py::Tuple par(2);
par.setItem(0, Py::Float(u));
par.setItem(1, Py::Float(v));
return Py::new_reference_to(par);
}
else if (method == "Distance") {
Standard_Integer num = proj.NbPoints();
Py::List list;
for (Standard_Integer i=1; i <= num; i++) {
list.append(Py::Float(proj.Distance(i)));
}
return Py::new_reference_to(list);
}
else if (method == "Parameters") {
Standard_Integer num = proj.NbPoints();
Py::List list;
for (Standard_Integer i=1; i <= num; i++) {
Standard_Real u, v;
proj.Parameters(i, u, v);
Py::Tuple par(2);
par.setItem(0, Py::Float(u));
par.setItem(1, Py::Float(v));
list.append(par);
}
return Py::new_reference_to(list);
}
else if (method == "Point") {
Standard_Integer num = proj.NbPoints();
Py::List list;
for (Standard_Integer i=1; i <= num; i++) {
gp_Pnt pnt = proj.Point(i);
Base::Vector3d vec(pnt.X(), pnt.Y(), pnt.Z());
list.append(Py::Vector(vec));
}
return Py::new_reference_to(list);
}
else {
PyErr_SetString(PartExceptionOCCError, "Unsupported method");
return nullptr;
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return nullptr;
}
}
PyObject* GeometrySurfacePy::isUmbillic(PyObject *args)
{
try {
GeomSurface* s = getGeomSurfacePtr();
if (s) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u,&v))
return 0;
bool val = s->isUmbillic(u,v);
return PyBool_FromLong(val ? 1 : 0);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::curvatureDirections(PyObject *args)
{
try {
GeomSurface* s = getGeomSurfacePtr();
if (s) {
double u,v;
if (!PyArg_ParseTuple(args, "dd", &u,&v))
return 0;
gp_Dir maxd, mind;
s->curvatureDirections(u,v,maxd,mind);
Py::Tuple tuple(2);
tuple.setItem(0, Py::Vector(Base::Vector3d(maxd.X(),maxd.Y(),maxd.Z())));
tuple.setItem(1, Py::Vector(Base::Vector3d(mind.X(),mind.Y(),mind.Z())));
return Py::new_reference_to(tuple);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::curvature(PyObject *args)
{
try {
GeomSurface* s = getGeomSurfacePtr();
if (s) {
double u,v;
char* type;
if (!PyArg_ParseTuple(args, "dds", &u,&v,&type))
return 0;
GeomSurface::Curvature t;
if (strcmp(type,"Max") == 0) {
t = GeomSurface::Maximum;
}
else if (strcmp(type,"Min") == 0) {
t = GeomSurface::Minimum;
}
else if (strcmp(type,"Mean") == 0) {
t = GeomSurface::Mean;
}
else if (strcmp(type,"Gauss") == 0) {
t = GeomSurface::Gaussian;
}
else {
PyErr_SetString(PyExc_ValueError, "unknown curvature type");
return 0;
}
double c = s->curvature(u,v,t);
return PyFloat_FromDouble(c);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::isPlanar(PyObject *args)
{
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)
::DownCast(getGeometryPtr()->handle());
if (!surf.IsNull()) {
double tol = Precision::Confusion();
if (!PyArg_ParseTuple(args, "|d", &tol))
return 0;
GeomLib_IsPlanarSurface check(surf, tol);
Standard_Boolean val = check.IsPlanar();
return PyBool_FromLong(val ? 1 : 0);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::parameter(PyObject *args)
{
Handle(Geom_Surface) surf = Handle(Geom_Surface)
::DownCast(getGeometryPtr()->handle());
try {
if (!surf.IsNull()) {
PyObject *p;
double prec = Precision::Confusion();
if (!PyArg_ParseTuple(args, "O!|d", &(Base::VectorPy::Type), &p, &prec))
return 0;
Base::Vector3d v = Py::Vector(p, false).toVector();
gp_Pnt pnt(v.x,v.y,v.z);
ShapeAnalysis_Surface as(surf);
gp_Pnt2d uv = as.ValueOfUV(pnt, prec);
Py::Tuple tuple(2);
tuple.setItem(0, Py::Float(uv.X()));
tuple.setItem(1, Py::Float(uv.Y()));
return Py::new_reference_to(tuple);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
PyErr_SetString(PartExceptionOCCError, "Geometry is not a surface");
return 0;
}
PyObject* GeometrySurfacePy::bounds(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
Handle(Geom_Surface) surf = Handle(Geom_Surface)
::DownCast(getGeometryPtr()->handle());
Py::Tuple bound(4);
Standard_Real u1,u2,v1,v2;
surf->Bounds(u1,u2,v1,v2);
bound.setItem(0,Py::Float(u1));
bound.setItem(1,Py::Float(u2));
bound.setItem(2,Py::Float(v1));
bound.setItem(3,Py::Float(v2));
return Py::new_reference_to(bound);
}
PyObject* GeometrySurfacePy::uIso(PyObject * args)
{
double v;
if (!PyArg_ParseTuple(args, "d", &v))
return 0;
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Handle(Geom_Curve) c = surf->UIso(v);
if (c.IsNull()) {
PyErr_SetString(PyExc_RuntimeError, "failed to create u iso curve");
return 0;
}
if (c->IsKind(STANDARD_TYPE(Geom_Line))) {
Handle(Geom_Line) aLine = Handle(Geom_Line)::DownCast(c);
GeomLine* line = new GeomLine();
Handle(Geom_Line) this_curv = Handle(Geom_Line)::DownCast
(line->handle());
this_curv->SetLin(aLine->Lin());
return new LinePy(line);
}
else {
return Py::new_reference_to(makeGeometryCurvePy(c));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
}
PyObject* GeometrySurfacePy::vIso(PyObject * args)
{
double v;
if (!PyArg_ParseTuple(args, "d", &v))
return 0;
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Handle(Geom_Curve) c = surf->VIso(v);
if (c.IsNull()) {
PyErr_SetString(PyExc_RuntimeError, "failed to create v iso curve");
return 0;
}
if (c->IsKind(STANDARD_TYPE(Geom_Line))) {
Handle(Geom_Line) aLine = Handle(Geom_Line)::DownCast(c);
GeomLine* line = new GeomLine();
Handle(Geom_Line) this_curv = Handle(Geom_Line)::DownCast
(line->handle());
this_curv->SetLin(aLine->Lin());
return new LinePy(line);
}
else {
return Py::new_reference_to(makeGeometryCurvePy(c));
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
}
PyObject* GeometrySurfacePy::isUPeriodic(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Boolean val = surf->IsUPeriodic();
return PyBool_FromLong(val ? 1 : 0);
}
PyObject* GeometrySurfacePy::isVPeriodic(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Boolean val = surf->IsVPeriodic();
return PyBool_FromLong(val ? 1 : 0);
}
PyObject* GeometrySurfacePy::isUClosed(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Boolean val = surf->IsUClosed();
return PyBool_FromLong(val ? 1 : 0);
}
PyObject* GeometrySurfacePy::isVClosed(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Boolean val = surf->IsVClosed();
return PyBool_FromLong(val ? 1 : 0);
}
PyObject* GeometrySurfacePy::UPeriod(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Real val = surf->UPeriod();
return PyFloat_FromDouble(val);
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
}
PyObject* GeometrySurfacePy::VPeriod(PyObject * args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
Standard_Real val = surf->VPeriod();
return PyFloat_FromDouble(val);
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return 0;
}
}
Py::String GeometrySurfacePy::getContinuity(void) const
{
GeomAbs_Shape c = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle())->Continuity();
std::string str;
switch (c) {
case GeomAbs_C0:
str = "C0";
break;
case GeomAbs_G1:
str = "G1";
break;
case GeomAbs_C1:
str = "C1";
break;
case GeomAbs_G2:
str = "G2";
break;
case GeomAbs_C2:
str = "C2";
break;
case GeomAbs_C3:
str = "C3";
break;
case GeomAbs_CN:
str = "CN";
break;
default:
str = "Unknown";
break;
}
return Py::String(str);
}
PyObject* GeometrySurfacePy::toBSpline(PyObject * args, PyObject * kwds)
{
double tol3d=Precision::Confusion();
char *ucont="C1", *vcont="C1";
int maxDegU=Geom_BSplineSurface::MaxDegree();
int maxDegV=Geom_BSplineSurface::MaxDegree();
int maxSegm=1000, prec=0;
static char *kwlist[] = {"Tol3d", "UContinuity", "VContinuity", "MaxDegreeU", "MaxDegreeV", "MaxSegments", "PrecisCode", nullptr};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|dssiiii", kwlist,
&tol3d, &ucont, &vcont,
&maxDegU, &maxDegV, &maxSegm, &prec))
return nullptr;
GeomAbs_Shape absU, absV;
std::string uc = ucont;
if (maxDegU <= 1)
absU = GeomAbs_C0;
else if (uc == "C0")
absU = GeomAbs_C0;
else if (uc == "C1")
absU = GeomAbs_C1;
else if (uc == "C2")
absU = GeomAbs_C2;
else if (uc == "C3")
absU = GeomAbs_C3;
else if (uc == "CN")
absU = GeomAbs_CN;
else if (uc == "G1")
absU = GeomAbs_G1;
else
absU = GeomAbs_G2;
std::string vc = vcont;
if (maxDegV <= 1)
absV = GeomAbs_C0;
else if (vc == "C0")
absV = GeomAbs_C0;
else if (vc == "C1")
absV = GeomAbs_C1;
else if (vc == "C2")
absV = GeomAbs_C2;
else if (vc == "C3")
absV = GeomAbs_C3;
else if (vc == "CN")
absV = GeomAbs_CN;
else if (vc == "G1")
absV = GeomAbs_G1;
else
absV = GeomAbs_G2;
try {
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast
(getGeometryPtr()->handle());
GeomConvert_ApproxSurface cvt(surf, tol3d, absU, absV, maxDegU, maxDegV, maxSegm, prec);
if (cvt.IsDone() && cvt.HasResult()) {
return new BSplineSurfacePy(new GeomBSplineSurface(cvt.Surface()));
}
else {
Standard_Failure::Raise("Cannot convert to B-spline surface");
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
}
return 0;
}
PyObject *GeometrySurfacePy::getCustomAttributes(const char* /*attr*/) const
{
return 0;
}
int GeometrySurfacePy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
return 0;
}
// Specialized intersection functions
PyObject* GeometrySurfacePy::intersectSS(PyObject *args)
{
Handle(Geom_Surface) surf1 = Handle(Geom_Surface)::DownCast(getGeometryPtr()->handle());
try {
if (!surf1.IsNull()) {
PyObject *p;
double prec = Precision::Confusion();
if (!PyArg_ParseTuple(args, "O!|d", &(Part::GeometrySurfacePy::Type), &p, &prec))
return 0;
Handle(Geom_Surface) surf2 = Handle(Geom_Surface)::DownCast(static_cast<GeometryPy*>(p)->getGeometryPtr()->handle());
GeomAPI_IntSS intersector(surf1, surf2, prec);
if (!intersector.IsDone()) {
PyErr_SetString(PyExc_RuntimeError, "Intersection of surfaces failed");
return 0;
}
Py::List result;
for (int i = 1; i <= intersector.NbLines(); i++) {
Handle(Geom_Curve) line = intersector.Line(i);
result.append(makeGeometryCurvePy(line));
}
return Py::new_reference_to(result);
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PyExc_RuntimeError, e.GetMessageString());
return 0;
}
PyErr_SetString(PyExc_TypeError, "intersectSS(): Geometry is not a surface");
return 0;
}
// General intersection function
PyObject* GeometrySurfacePy::intersect(PyObject *args)
{
Handle(Geom_Surface) surf = Handle(Geom_Surface)::DownCast(getGeometryPtr()->handle());
try {
if (!surf.IsNull()) {
PyObject *p;
double prec = Precision::Confusion();
try {
if (PyArg_ParseTuple(args, "O!|d", &(Part::GeometrySurfacePy::Type), &p, &prec))
return intersectSS(args);
} catch(...) {};
PyErr_Clear();
if (PyArg_ParseTuple(args, "O!|d", &(Part::GeometryCurvePy::Type), &p, &prec)) {
GeometryCurvePy* curve = static_cast<GeometryCurvePy*>(p);
PyObject* t = PyTuple_New(2);
Py_INCREF(this);
PyTuple_SetItem(t, 0, this);
PyTuple_SetItem(t, 1, PyFloat_FromDouble(prec));
return curve->intersectCS(t);
} else {
return 0;
}
}
}
catch (Standard_Failure& e) {
PyErr_SetString(PyExc_RuntimeError, e.GetMessageString());
return 0;
}
PyErr_SetString(PyExc_TypeError, "intersect(): Geometry is not a surface");
return 0;
}
Py::Object GeometrySurfacePy::getRotation(void) const
{
Handle(Geom_ElementarySurface) s = Handle(Geom_ElementarySurface)::DownCast
(getGeometryPtr()->handle());
if(!s)
return Py::Object();
gp_Trsf trsf;
trsf.SetTransformation(s->Position().Ax2(),gp_Ax3());
auto q = trsf.GetRotation();
return Py::Rotation(Base::Rotation(q.X(),q.Y(),q.Z(),q.W()));
}
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