Part Module New Feature: Parabola & ArcOfParabola

- 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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@ -67,6 +67,7 @@
#include "ArcPy.h"
#include "ArcOfCirclePy.h"
#include "ArcOfEllipsePy.h"
#include "ArcOfParabolaPy.h"
#include "BezierCurvePy.h"
#include "BSplineCurvePy.h"
#include "HyperbolaPy.h"
@ -174,6 +175,7 @@ void PartExport initPart()
Base::Interpreter().addType(&Part::ArcPy ::Type,partModule,"Arc");
Base::Interpreter().addType(&Part::ArcOfCirclePy ::Type,partModule,"ArcOfCircle");
Base::Interpreter().addType(&Part::ArcOfEllipsePy ::Type,partModule,"ArcOfEllipse");
Base::Interpreter().addType(&Part::ArcOfParabolaPy ::Type,partModule,"ArcOfParabola");
Base::Interpreter().addType(&Part::BezierCurvePy ::Type,partModule,"BezierCurve");
Base::Interpreter().addType(&Part::BSplineCurvePy ::Type,partModule,"BSplineCurve");
Base::Interpreter().addType(&Part::OffsetCurvePy ::Type,partModule,"OffsetCurve");
@ -264,6 +266,7 @@ void PartExport initPart()
Part::GeomCircle ::init();
Part::GeomArcOfCircle ::init();
Part::GeomArcOfEllipse ::init();
Part::GeomArcOfParabola ::init();
Part::GeomEllipse ::init();
Part::GeomHyperbola ::init();
Part::GeomParabola ::init();

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@ -0,0 +1,48 @@
<?xml version="1.0" encoding="UTF-8"?>
<GenerateModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="generateMetaModel_Module.xsd">
<PythonExport
Father="GeometryCurvePy"
Name="ArcOfParabolaPy"
Twin="GeomArcOfParabola"
TwinPointer="GeomArcOfParabola"
Include="Mod/Part/App/Geometry.h"
Namespace="Part"
FatherInclude="Mod/Part/App/GeometryCurvePy.h"
FatherNamespace="Part"
Constructor="true">
<Documentation>
<Author Licence="LGPL" Name="Abdullah Tahiri" EMail="abdullah.tahiri.yo[at]gmail.com" />
<UserDocu>Describes a portion of an parabola</UserDocu>
</Documentation>
<Attribute Name="Focal" ReadOnly="false">
<Documentation>
<UserDocu>The focal length of the parabola.</UserDocu>
</Documentation>
<Parameter Name="Focal" Type="Float"/>
</Attribute>
<Attribute Name="AngleXU" ReadOnly="false">
<Documentation>
<UserDocu>The angle between the X axis and the major axis of the parabola.</UserDocu>
</Documentation>
<Parameter Name="AngleXU" Type="Float"/>
</Attribute>
<Attribute Name="Center" ReadOnly="false">
<Documentation>
<UserDocu>Center of the parabola.</UserDocu>
</Documentation>
<Parameter Name="Center" Type="Object"/>
</Attribute>
<Attribute Name="Axis" ReadOnly="false">
<Documentation>
<UserDocu>The axis direction of the parabola</UserDocu>
</Documentation>
<Parameter Name="Axis" Type="Object"/>
</Attribute>
<Attribute Name="Parabola" ReadOnly="true">
<Documentation>
<UserDocu>The internal parabola representation</UserDocu>
</Documentation>
<Parameter Name="Parabola" Type="Object"/>
</Attribute>
</PythonExport>
</GenerateModel>

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@ -0,0 +1,221 @@
/***************************************************************************
* 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;
}

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@ -26,16 +26,21 @@
# include <gp_Circ.hxx>
# include <Geom_Circle.hxx>
# include <gp_Elips.hxx>
# include <gp_Parab.hxx>
# include <Geom_Ellipse.hxx>
# include <Geom_Parabola.hxx>
# include <Geom_TrimmedCurve.hxx>
# include <GC_MakeArcOfCircle.hxx>
# include <GC_MakeArcOfEllipse.hxx>
# include <GC_MakeArcOfParabola.hxx>
#endif
#include "ArcPy.h"
#include "ArcPy.cpp"
#include "CirclePy.h"
#include "EllipsePy.h"
#include "ParabolaPy.h"
#include "OCCError.h"
#include <Base/VectorPy.h>
@ -133,6 +138,32 @@ int ArcPy::PyInit(PyObject* args, PyObject* /*kwd*/)
}
}
PyErr_Clear();
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;
}
getGeomTrimmedCurvePtr()->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, "Arc constructor expects a conic curve and a parameter range");
return -1;

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@ -39,6 +39,7 @@ endif(FREETYPE_FOUND)
generate_from_xml(ArcPy)
generate_from_xml(ArcOfCirclePy)
generate_from_xml(ArcOfParabolaPy)
generate_from_xml(CirclePy)
generate_from_xml(ArcOfEllipsePy)
generate_from_xml(EllipsePy)
@ -147,6 +148,8 @@ SET(Python_SRCS
ArcPyImp.cpp
ArcOfCirclePy.xml
ArcOfCirclePyImp.cpp
ArcOfParabolaPy.xml
ArcOfParabolaPyImp.cpp
CirclePy.xml
CirclePyImp.cpp
ArcOfEllipsePy.xml

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@ -80,6 +80,8 @@
# include <GC_MakeCircle.hxx>
# include <GC_MakeArcOfEllipse.hxx>
# include <GC_MakeEllipse.hxx>
# include <gce_MakeParab.hxx>
# include <GC_MakeArcOfParabola.hxx>
# include <GC_MakeLine.hxx>
# include <GC_MakeSegment.hxx>
# include <Precision.hxx>
@ -1352,11 +1354,151 @@ Geometry *GeomParabola::clone(void) const
return newPar;
}
// Persistence implementer
unsigned int GeomParabola::getMemSize (void) const {assert(0); return 0;/* not implemented yet */}
void GeomParabola::Save (Base::Writer &/*writer*/) const {assert(0); /* not implemented yet */}
void GeomParabola::Restore (Base::XMLReader &/*reader*/) {assert(0); /* not implemented yet */}
Base::Vector3d GeomParabola::getCenter(void) const
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(handle());
gp_Ax1 axis = p->Axis();
const gp_Pnt& loc = axis.Location();
return Base::Vector3d(loc.X(),loc.Y(),loc.Z());
}
void GeomParabola::setCenter(const Base::Vector3d& Center)
{
gp_Pnt p1(Center.x,Center.y,Center.z);
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(handle());
try {
p->SetLocation(p1);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
double GeomParabola::getFocal(void) const
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(handle());
return p->Focal();
}
void GeomParabola::setFocal(double length)
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(handle());
try {
p->SetFocal(length);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
double GeomParabola::getAngleXU(void) const
{
gp_Pnt center = this->myCurve->Axis().Location();
gp_Dir normal = this->myCurve->Axis().Direction();
gp_Dir xdir = this->myCurve->XAxis().Direction();
gp_Ax2 xdirref(center, normal); // this is a reference system, might be CCW or CW depending on the creation method
return -xdir.AngleWithRef(xdirref.XDirection(),normal);
}
void GeomParabola::setAngleXU(double angle)
{
try {
gp_Pnt center = this->myCurve->Axis().Location();
gp_Dir normal = this->myCurve->Axis().Direction();
gp_Ax1 normaxis(center, normal);
gp_Ax2 xdirref(center, normal);
xdirref.Rotate(normaxis,angle);
this->myCurve->SetPosition(xdirref);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
// Persistence implementer
unsigned int GeomParabola::getMemSize (void) const
{
return sizeof(Geom_Parabola);
}
void GeomParabola::Save(Base::Writer& writer) const
{
// save the attributes of the father class
GeomCurve::Save(writer);
gp_Pnt center = this->myCurve->Axis().Location();
gp_Dir normal = this->myCurve->Axis().Direction();
gp_Dir xdir = this->myCurve->XAxis().Direction();
gp_Ax2 xdirref(center, normal); // this is a reference XY for the ellipse
double AngleXU = -xdir.AngleWithRef(xdirref.XDirection(),normal);
writer.Stream()
<< writer.ind()
<< "<Parabola "
<< "CenterX=\"" << center.X() << "\" "
<< "CenterY=\"" << center.Y() << "\" "
<< "CenterZ=\"" << center.Z() << "\" "
<< "NormalX=\"" << normal.X() << "\" "
<< "NormalY=\"" << normal.Y() << "\" "
<< "NormalZ=\"" << normal.Z() << "\" "
<< "Focal=\"" << this->myCurve->Focal() << "\" "
<< "AngleXU=\"" << AngleXU << "\" "
<< "/>" << endl;
}
void GeomParabola::Restore(Base::XMLReader& reader)
{
// read the attributes of the father class
GeomCurve::Restore(reader);
double CenterX,CenterY,CenterZ,NormalX,NormalY,NormalZ,Focal,AngleXU;
// read my Element
reader.readElement("Parabola");
// get the value of my Attribute
CenterX = reader.getAttributeAsFloat("CenterX");
CenterY = reader.getAttributeAsFloat("CenterY");
CenterZ = reader.getAttributeAsFloat("CenterZ");
NormalX = reader.getAttributeAsFloat("NormalX");
NormalY = reader.getAttributeAsFloat("NormalY");
NormalZ = reader.getAttributeAsFloat("NormalZ");
Focal = reader.getAttributeAsFloat("Focal");
AngleXU = reader.getAttributeAsFloat("AngleXU");
// set the read geometry
gp_Pnt p1(CenterX,CenterY,CenterZ);
gp_Dir norm(NormalX,NormalY,NormalZ);
gp_Ax1 normaxis(p1,norm);
gp_Ax2 xdir(p1, norm);
xdir.Rotate(normaxis,AngleXU);
try {
gce_MakeParab mc(xdir, Focal);
if (!mc.IsDone())
throw Base::Exception(gce_ErrorStatusText(mc.Status()));
this->myCurve = new Geom_Parabola(mc.Value());
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
PyObject *GeomParabola::getPyObject(void)
{
return new ParabolaPy((GeomParabola*)this->clone());
@ -1364,6 +1506,248 @@ PyObject *GeomParabola::getPyObject(void)
// -------------------------------------------------
TYPESYSTEM_SOURCE(Part::GeomArcOfParabola,Part::GeomCurve);
GeomArcOfParabola::GeomArcOfParabola()
{
Handle_Geom_Parabola p = new Geom_Parabola(gp_Parab());
this->myCurve = new Geom_TrimmedCurve(p, p->FirstParameter(),p->LastParameter());
}
GeomArcOfParabola::GeomArcOfParabola(const Handle_Geom_Parabola& h)
{
this->myCurve = new Geom_TrimmedCurve(h, h->FirstParameter(),h->LastParameter());
}
GeomArcOfParabola::~GeomArcOfParabola()
{
}
void GeomArcOfParabola::setHandle(const Handle_Geom_TrimmedCurve& c)
{
Handle_Geom_Parabola basis = Handle_Geom_Parabola::DownCast(c->BasisCurve());
if (basis.IsNull())
Standard_Failure::Raise("Basis curve is not a parabola");
this->myCurve = Handle_Geom_TrimmedCurve::DownCast(c->Copy());
}
const Handle_Geom_Geometry& GeomArcOfParabola::handle() const
{
return myCurve;
}
Geometry *GeomArcOfParabola::clone(void) const
{
GeomArcOfParabola* copy = new GeomArcOfParabola();
copy->setHandle(this->myCurve);
copy->Construction = this->Construction;
return copy;
}
Base::Vector3d GeomArcOfParabola::getStartPoint() const
{
gp_Pnt pnt = this->myCurve->StartPoint();
return Base::Vector3d(pnt.X(), pnt.Y(), pnt.Z());
}
Base::Vector3d GeomArcOfParabola::getEndPoint() const
{
gp_Pnt pnt = this->myCurve->EndPoint();
return Base::Vector3d(pnt.X(), pnt.Y(), pnt.Z());
}
Base::Vector3d GeomArcOfParabola::getCenter(void) const
{
Handle_Geom_Hyperbola h = Handle_Geom_Hyperbola::DownCast(myCurve->BasisCurve());
gp_Ax1 axis = h->Axis();
const gp_Pnt& loc = axis.Location();
return Base::Vector3d(loc.X(),loc.Y(),loc.Z());
}
void GeomArcOfParabola::setCenter(const Base::Vector3d& Center)
{
gp_Pnt p1(Center.x,Center.y,Center.z);
Handle_Geom_Hyperbola h = Handle_Geom_Hyperbola::DownCast(myCurve->BasisCurve());
try {
h->SetLocation(p1);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
double GeomArcOfParabola::getFocal(void) const
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(myCurve->BasisCurve());
return p->Focal();
}
void GeomArcOfParabola::setFocal(double length)
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(myCurve->BasisCurve());
try {
p->SetFocal(length);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
double GeomArcOfParabola::getAngleXU(void) const
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(myCurve->BasisCurve());
gp_Pnt center = p->Axis().Location();
gp_Dir normal = p->Axis().Direction();
gp_Dir xdir = p->XAxis().Direction();
gp_Ax2 xdirref(center, normal); // this is a reference system, might be CCW or CW depending on the creation method
return -xdir.AngleWithRef(xdirref.XDirection(),normal);
}
void GeomArcOfParabola::setAngleXU(double angle)
{
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(myCurve->BasisCurve());
try {
gp_Pnt center = p->Axis().Location();
gp_Dir normal = p->Axis().Direction();
gp_Ax1 normaxis(center, normal);
gp_Ax2 xdirref(center, normal);
xdirref.Rotate(normaxis,angle);
p->SetPosition(xdirref);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
void GeomArcOfParabola::getRange(double& u, double& v) const
{
u = myCurve->FirstParameter();
v = myCurve->LastParameter();
}
void GeomArcOfParabola::setRange(double u, double v)
{
try {
myCurve->SetTrim(u, v);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
// Persistence implementer
unsigned int GeomArcOfParabola::getMemSize (void) const
{
return sizeof(Geom_Parabola) + 2 *sizeof(double);
}
void GeomArcOfParabola::Save(Base::Writer &writer) const
{
// save the attributes of the father class
GeomCurve::Save(writer);
Handle_Geom_Parabola p = Handle_Geom_Parabola::DownCast(this->myCurve->BasisCurve());
gp_Pnt center = p->Axis().Location();
gp_Dir normal = p->Axis().Direction();
gp_Dir xdir = p->XAxis().Direction();
gp_Ax2 xdirref(center, normal); // this is a reference XY for the ellipse
double AngleXU = -xdir.AngleWithRef(xdirref.XDirection(),normal);
writer.Stream()
<< writer.ind()
<< "<ArcOfParabola "
<< "CenterX=\"" << center.X() << "\" "
<< "CenterY=\"" << center.Y() << "\" "
<< "CenterZ=\"" << center.Z() << "\" "
<< "NormalX=\"" << normal.X() << "\" "
<< "NormalY=\"" << normal.Y() << "\" "
<< "NormalZ=\"" << normal.Z() << "\" "
<< "Focal=\"" << p->Focal() << "\" "
<< "AngleXU=\"" << AngleXU << "\" "
<< "StartAngle=\"" << this->myCurve->FirstParameter() << "\" "
<< "EndAngle=\"" << this->myCurve->LastParameter() << "\" "
<< "/>" << endl;
}
void GeomArcOfParabola::Restore(Base::XMLReader &reader)
{
// read the attributes of the father class
GeomCurve::Restore(reader);
double CenterX,CenterY,CenterZ,NormalX,NormalY,NormalZ,Focal,AngleXU,StartAngle,EndAngle;
// read my Element
reader.readElement("ArcOfHyperbola");
// get the value of my Attribute
CenterX = reader.getAttributeAsFloat("CenterX");
CenterY = reader.getAttributeAsFloat("CenterY");
CenterZ = reader.getAttributeAsFloat("CenterZ");
NormalX = reader.getAttributeAsFloat("NormalX");
NormalY = reader.getAttributeAsFloat("NormalY");
NormalZ = reader.getAttributeAsFloat("NormalZ");
Focal = reader.getAttributeAsFloat("Focal");
AngleXU = reader.getAttributeAsFloat("AngleXU");
StartAngle = reader.getAttributeAsFloat("StartAngle");
EndAngle = reader.getAttributeAsFloat("EndAngle");
// set the read geometry
gp_Pnt p1(CenterX,CenterY,CenterZ);
gp_Dir norm(NormalX,NormalY,NormalZ);
gp_Ax1 normaxis(p1,norm);
gp_Ax2 xdir(p1, norm);
xdir.Rotate(normaxis,AngleXU);
try {
gce_MakeParab mc(xdir, Focal);
if (!mc.IsDone())
throw Base::Exception(gce_ErrorStatusText(mc.Status()));
GC_MakeArcOfParabola ma(mc.Value(), StartAngle, EndAngle, 1);
if (!ma.IsDone())
throw Base::Exception(gce_ErrorStatusText(ma.Status()));
Handle_Geom_TrimmedCurve tmpcurve = ma.Value();
Handle_Geom_Parabola tmpparabola = Handle_Geom_Parabola::DownCast(tmpcurve->BasisCurve());
Handle_Geom_Parabola parabola = Handle_Geom_Parabola::DownCast(this->myCurve->BasisCurve());
parabola->SetParab(tmpparabola->Parab());
this->myCurve->SetTrim(tmpcurve->FirstParameter(), tmpcurve->LastParameter());
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
throw Base::Exception(e->GetMessageString());
}
}
PyObject *GeomArcOfParabola::getPyObject(void)
{
//return new ArcOfParabolaPy(static_cast<GeomArcOfParabola*>(this->clone()));
}
// -------------------------------------------------
TYPESYSTEM_SOURCE(Part::GeomLine,Part::GeomCurve);
GeomLine::GeomLine()

View File

@ -329,6 +329,13 @@ public:
GeomParabola(const Handle_Geom_Parabola&);
virtual ~GeomParabola();
virtual Geometry *clone(void) const;
Base::Vector3d getCenter(void) const;
void setCenter(const Base::Vector3d& Center);
double getFocal(void) const;
void setFocal(double length);
double getAngleXU(void) const;
void setAngleXU(double angle);
// Persistence implementer ---------------------
virtual unsigned int getMemSize(void) const;
@ -343,6 +350,42 @@ private:
Handle_Geom_Parabola myCurve;
};
class PartExport GeomArcOfParabola : public GeomCurve
{
TYPESYSTEM_HEADER();
public:
GeomArcOfParabola();
GeomArcOfParabola(const Handle_Geom_Parabola&);
virtual ~GeomArcOfParabola();
virtual Geometry *clone(void) const;
Base::Vector3d getStartPoint() const;
Base::Vector3d getEndPoint() const;
Base::Vector3d getCenter(void) const;
void setCenter(const Base::Vector3d& Center);
double getFocal(void) const;
void setFocal(double length);
double getAngleXU(void) const;
void setAngleXU(double angle);
void getRange(double& u, double& v) const;
void setRange(double u, double v);
// Persistence implementer ---------------------
virtual unsigned int getMemSize(void) const;
virtual void Save(Base::Writer &/*writer*/) const;
virtual void Restore(Base::XMLReader &/*reader*/);
// Base implementer ----------------------------
virtual PyObject *getPyObject(void);
void setHandle(const Handle_Geom_TrimmedCurve&);
const Handle_Geom_Geometry& handle() const;
private:
Handle_Geom_TrimmedCurve myCurve;
};
class PartExport GeomLine : public GeomCurve
{
TYPESYSTEM_HEADER();

View File

@ -172,9 +172,10 @@
#include <GCPnts_TangentialDeflection.hxx>
#include <GC_MakeArcOfCircle.hxx>
#include <GC_MakeArcOfEllipse.hxx>
#include <GC_MakeArcOfParabola.hxx>
#include <GC_MakeCircle.hxx>
#include <GC_MakeConicalSurface.hxx>
#include <GC_MakeCylindricalSurface.hxx>
#include <GC_MakeCylindricalSurface.hxx>
#include <GC_MakeEllipse.hxx>
#include <GC_MakeHyperbola.hxx>
#include <GC_MakeLine.hxx>
@ -192,9 +193,9 @@
#include <Geom_Axis2Placement.hxx>
#include <Geom_CartesianPoint.hxx>
#include <Geom_Line.hxx>
#include <Geom_OffsetCurve.hxx>
#include <Geom_OffsetCurve.hxx>
#include <Geom_Surface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomAbs_CurveType.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <Geom_BezierCurve.hxx>
@ -261,5 +262,5 @@
#include <Interface_Static.hxx>
#endif // __OpenCascadeAll__
#endif // __OpenCascadeAll__