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Part Module New Feature: Parabola & ArcOfParabola

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- Completed Parabola c++ implementation and python wrapper implementation
- Created ArOfParabola c++ and python wrapper implementation
This commit is contained in:
Abdullah Tahiri
2014-10-16 15:06:23 +02:00
committed by Sebastian Hoogen
parent 2b01506c65
commit 6997cc9991
8 changed files with 743 additions and 9 deletions
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221
src/Mod/Part/App/ArcOfParabolaPyImp.cpp Normal file
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/***************************************************************************
* Copyright (c) 2014 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com *
* *
* 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 <gp_Parab.hxx>
# include <Geom_Parabola.hxx>
# include <GC_MakeArcOfParabola.hxx>
# include <gce_MakeParab.hxx>
# include <Geom_TrimmedCurve.hxx>
#endif
#include "Mod/Part/App/Geometry.h"
#include "ArcOfParabolaPy.h"
#include "ArcOfParabolaPy.cpp"
#include "ParabolaPy.h"
#include "OCCError.h"
#include <Base/GeometryPyCXX.h>
#include <Base/VectorPy.h>
using namespace Part;
extern const char* gce_ErrorStatusText(gce_ErrorType et);
// returns a string which represents the object e.g. when printed in python
std::string ArcOfParabolaPy::representation(void) const
{
Handle_Geom_TrimmedCurve trim = Handle_Geom_TrimmedCurve::DownCast
(getGeomArcOfParabolaPtr()->handle());
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast(trim->BasisCurve());
gp_Ax1 axis = parabola->Axis();
gp_Dir dir = axis.Direction();
gp_Pnt loc = axis.Location();
Standard_Real fFocal = parabola->Focal();
Standard_Real u1 = trim->FirstParameter();
Standard_Real u2 = trim->LastParameter();
gp_Dir normal = parabola->Axis().Direction();
gp_Dir xdir = parabola->XAxis().Direction();
gp_Ax2 xdirref(loc, normal); // this is a reference XY for the parabola
Standard_Real fAngleXU = -xdir.AngleWithRef(xdirref.XDirection(),normal);
std::stringstream str;
str << "ArcOfParabola (";
str << "Focal : " << fFocal << ", ";
str << "AngleXU : " << fAngleXU << ", ";
str << "Position : (" << loc.X() << ", "<< loc.Y() << ", "<< loc.Z() << "), ";
str << "Direction : (" << dir.X() << ", "<< dir.Y() << ", "<< dir.Z() << "), ";
str << "Parameter : (" << u1 << ", " << u2 << ")";
str << ")";
return str.str();
}
PyObject *ArcOfParabolaPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
{
// create a new instance of ArcOfParabolaPy and the Twin object
return new ArcOfParabolaPy(new GeomArcOfParabola);
}
// constructor method
int ArcOfParabolaPy::PyInit(PyObject* args, PyObject* kwds)
{
PyObject* o;
double u1, u2;
PyObject *sense=Py_True;
if (PyArg_ParseTuple(args, "O!dd|O!", &(Part::ParabolaPy::Type), &o, &u1, &u2, &PyBool_Type, &sense)) {
try {
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast
(static_cast<ParabolaPy*>(o)->getGeomParabolaPtr()->handle());
GC_MakeArcOfParabola arc(parabola->Parab(), u1, u2, PyObject_IsTrue(sense) ? Standard_True : Standard_False);
if (!arc.IsDone()) {
PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(arc.Status()));
return -1;
}
getGeomArcOfParabolaPtr()->setHandle(arc.Value());
return 0;
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
PyErr_SetString(PartExceptionOCCError, e->GetMessageString());
return -1;
}
catch (...) {
PyErr_SetString(PartExceptionOCCError, "creation of arc failed");
return -1;
}
}
// All checks failed
PyErr_SetString(PyExc_TypeError,
"ArcOfParabola constructor expects an parabola curve and a parameter range");
return -1;
}
Py::Float ArcOfParabolaPy::getFocal(void) const
{
return Py::Float(getGeomArcOfParabolaPtr()->getFocal());
}
void ArcOfParabolaPy::setFocal(Py::Float arg)
{
getGeomArcOfParabolaPtr()->setFocal((double)arg);
}
Py::Float ArcOfParabolaPy::getAngleXU(void) const
{
return Py::Float(getGeomArcOfParabolaPtr()->getAngleXU());
}
void ArcOfParabolaPy::setAngleXU(Py::Float arg)
{
getGeomArcOfParabolaPtr()->setAngleXU((double)arg);
}
Py::Object ArcOfParabolaPy::getCenter(void) const
{
return Py::Vector(getGeomArcOfParabolaPtr()->getCenter());
}
void ArcOfParabolaPy::setCenter(Py::Object arg)
{
PyObject* p = arg.ptr();
if (PyObject_TypeCheck(p, &(Base::VectorPy::Type))) {
Base::Vector3d loc = static_cast<Base::VectorPy*>(p)->value();
getGeomArcOfParabolaPtr()->setCenter(loc);
}
else if (PyObject_TypeCheck(p, &PyTuple_Type)) {
Base::Vector3d loc = Base::getVectorFromTuple<double>(p);
getGeomArcOfParabolaPtr()->setCenter(loc);
}
else {
std::string error = std::string("type must be 'Vector', not ");
error += p->ob_type->tp_name;
throw Py::TypeError(error);
}
}
Py::Object ArcOfParabolaPy::getAxis(void) const
{
Handle_Geom_TrimmedCurve trim = Handle_Geom_TrimmedCurve::DownCast
(getGeomArcOfParabolaPtr()->handle());
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast(trim->BasisCurve());
gp_Ax1 axis = parabola->Axis();
gp_Dir dir = axis.Direction();
return Py::Vector(Base::Vector3d(dir.X(), dir.Y(), dir.Z()));
}
void ArcOfParabolaPy::setAxis(Py::Object arg)
{
PyObject* p = arg.ptr();
Base::Vector3d val;
if (PyObject_TypeCheck(p, &(Base::VectorPy::Type))) {
val = static_cast<Base::VectorPy*>(p)->value();
}
else if (PyTuple_Check(p)) {
val = Base::getVectorFromTuple<double>(p);
}
else {
std::string error = std::string("type must be 'Vector', not ");
error += p->ob_type->tp_name;
throw Py::TypeError(error);
}
Handle_Geom_TrimmedCurve trim = Handle_Geom_TrimmedCurve::DownCast
(getGeomArcOfParabolaPtr()->handle());
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast(trim->BasisCurve());
try {
gp_Ax1 axis;
axis.SetLocation(parabola->Location());
axis.SetDirection(gp_Dir(val.x, val.y, val.z));
parabola->SetAxis(axis);
}
catch (Standard_Failure) {
throw Py::Exception("cannot set axis");
}
}
Py::Object ArcOfParabolaPy::getParabola(void) const
{
Handle_Geom_TrimmedCurve trim = Handle_Geom_TrimmedCurve::DownCast
(getGeomArcOfParabolaPtr()->handle());
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast(trim->BasisCurve());
return Py::Object(new ParabolaPy(new GeomParabola(parabola)), true);
}
PyObject *ArcOfParabolaPy::getCustomAttributes(const char* attr) const
{
return 0;
}
int ArcOfParabolaPy::setCustomAttributes(const char* attr, PyObject *obj)
{
return 0;
}