FreeCAD/src/Mod/Mesh/App/AppMeshPy.cpp

402 lines
15 KiB
C++

/***************************************************************************
* Copyright (c) 2004 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_
#endif
#include <Base/Console.h>
#include <Base/Interpreter.h>
#include <Base/FileInfo.h>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObjectPy.h>
#include <App/Property.h>
#include "Core/MeshKernel.h"
#include "Core/MeshIO.h"
#include "MeshPy.h"
#include "Mesh.h"
#include "FeatureMeshImport.h"
using namespace Mesh;
using namespace MeshCore;
/* module functions */
static PyObject * read(PyObject *self, PyObject *args)
{
const char* Name;
if (!PyArg_ParseTuple(args, "s",&Name))
return NULL;
PY_TRY {
std::auto_ptr<MeshObject> mesh(new MeshObject);
if (mesh->load(Name)) {
return new MeshPy(mesh.release());
}
else {
PyErr_SetString(PyExc_Exception, "Loading of mesh was aborted");
return NULL;
}
} PY_CATCH;
Py_Return;
}
static PyObject * open(PyObject *self, PyObject *args)
{
const char* Name;
if (!PyArg_ParseTuple(args, "s",&Name))
return NULL;
PY_TRY {
MeshObject mesh;
if (mesh.load(Name)) {
Base::FileInfo file(Name);
// create new document and add Import feature
App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
unsigned long segmct = mesh.countSegments();
if (segmct > 1) {
for (unsigned long i=0; i<segmct; i++) {
std::auto_ptr<MeshObject> segm(mesh.meshFromSegment(mesh.getSegment(i).getIndices()));
Mesh::Feature *pcFeature = static_cast<Mesh::Feature *>
(pcDoc->addObject("Mesh::Feature", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->Mesh.swapMesh(*segm);
pcFeature->purgeTouched();
}
}
else {
Mesh::Feature *pcFeature = static_cast<Mesh::Feature *>
(pcDoc->addObject("Mesh::Feature", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->Mesh.swapMesh(mesh);
pcFeature->purgeTouched();
}
}
} PY_CATCH;
Py_Return;
}
static PyObject * importer(PyObject *self, PyObject *args)
{
const char* Name;
const char* DocName=0;
if (!PyArg_ParseTuple(args, "s|s",&Name,&DocName))
return NULL;
PY_TRY {
App::Document *pcDoc = 0;
if (DocName)
pcDoc = App::GetApplication().getDocument(DocName);
else
pcDoc = App::GetApplication().getActiveDocument();
if (!pcDoc) {
pcDoc = App::GetApplication().newDocument(DocName);
}
MeshObject mesh;
if (mesh.load(Name)) {
Base::FileInfo file(Name);
unsigned long segmct = mesh.countSegments();
if (segmct > 1) {
for (unsigned long i=0; i<segmct; i++) {
std::auto_ptr<MeshObject> segm(mesh.meshFromSegment(mesh.getSegment(i).getIndices()));
Mesh::Feature *pcFeature = static_cast<Mesh::Feature *>
(pcDoc->addObject("Mesh::Feature", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->Mesh.swapMesh(*segm);
pcFeature->purgeTouched();
}
}
else {
Mesh::Feature *pcFeature = static_cast<Mesh::Feature *>
(pcDoc->addObject("Mesh::Feature", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->Mesh.swapMesh(mesh);
pcFeature->purgeTouched();
}
}
} PY_CATCH;
Py_Return;
}
static PyObject * exporter(PyObject *self, PyObject *args)
{
PyObject* object;
const char* filename;
if (!PyArg_ParseTuple(args, "Os",&object,&filename))
return NULL;
float fTolerance = 0.1f;
MeshObject global_mesh;
PY_TRY {
Py::List list(object);
Base::Type meshId = Base::Type::fromName("Mesh::Feature");
Base::Type partId = Base::Type::fromName("Part::Feature");
for (Py::List::iterator it = list.begin(); it != list.end(); ++it) {
PyObject* item = (*it).ptr();
if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
if (obj->getTypeId().isDerivedFrom(meshId)) {
const MeshObject& mesh = static_cast<Mesh::Feature*>(obj)->Mesh.getValue();
MeshCore::MeshKernel kernel = mesh.getKernel();
kernel.Transform(mesh.getTransform());
if (global_mesh.countFacets() == 0)
global_mesh.setKernel(kernel);
else
global_mesh.addMesh(kernel);
}
else if (obj->getTypeId().isDerivedFrom(partId)) {
App::Property* shape = obj->getPropertyByName("Shape");
Base::Reference<MeshObject> mesh(new MeshObject());
if (shape && shape->getTypeId().isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
std::vector<Base::Vector3d> aPoints;
std::vector<Data::ComplexGeoData::Facet> aTopo;
static_cast<App::PropertyComplexGeoData*>(shape)->getFaces(aPoints, aTopo,fTolerance);
mesh->addFacets(aTopo, aPoints);
if (global_mesh.countFacets() == 0)
global_mesh = *mesh;
else
global_mesh.addMesh(*mesh);
}
}
else {
Base::Console().Message("'%s' is not a mesh or shape, export will be ignored.\n", obj->Label.getValue());
}
}
}
// export mesh compound
global_mesh.save(filename);
} PY_CATCH;
Py_Return;
}
static PyObject *
show(PyObject *self, PyObject *args)
{
PyObject *pcObj;
if (!PyArg_ParseTuple(args, "O!", &(MeshPy::Type), &pcObj))
return NULL;
PY_TRY {
App::Document *pcDoc = App::GetApplication().getActiveDocument();
if (!pcDoc)
pcDoc = App::GetApplication().newDocument();
MeshPy* pMesh = static_cast<MeshPy*>(pcObj);
Mesh::Feature *pcFeature = (Mesh::Feature *)pcDoc->addObject("Mesh::Feature", "Mesh");
Mesh::MeshObject* mo = pMesh->getMeshObjectPtr();
if (!mo) {
PyErr_SetString(PyExc_ReferenceError,
"object doesn't reference a valid mesh");
return 0;
}
// copy the data
pcFeature->Mesh.setValue(*mo);
} PY_CATCH;
Py_Return;
}
static PyObject *
createPlane(PyObject *self, PyObject *args)
{
float x=1,y=0,z=0;
if (!PyArg_ParseTuple(args, "|fff",&x,&y,&z)) // convert args: Python->C
return NULL; // NULL triggers exception
if(y==0)
y=x;
float hx = x/2.0f;
float hy = y/2.0f;
PY_TRY {
std::vector<MeshCore::MeshGeomFacet> TriaList;
TriaList.push_back(MeshCore::MeshGeomFacet(Base::Vector3f(-hx, -hy, 0.0),Base::Vector3f(hx, hy, 0.0),Base::Vector3f(-hx, hy, 0.0)));
TriaList.push_back(MeshCore::MeshGeomFacet(Base::Vector3f(-hx, -hy, 0.0),Base::Vector3f(hx, -hy, 0.0),Base::Vector3f(hx, hy, 0.0)));
std::auto_ptr<MeshObject> mesh(new MeshObject);
mesh->addFacets(TriaList);
return new MeshPy(mesh.release());
} PY_CATCH;
}
static PyObject *
createSphere(PyObject *self, PyObject *args)
{
float radius = 5.0f;
int sampling = 50;
if (!PyArg_ParseTuple(args, "|fi",&radius,&sampling)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh = MeshObject::createSphere(radius, sampling);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of sphere failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
static PyObject *
createEllipsoid(PyObject *self, PyObject *args)
{
float radius1 = 2.0f;
float radius2 = 4.0f;
int sampling = 50;
if (!PyArg_ParseTuple(args, "|ffi",&radius1,&radius2,&sampling)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh = MeshObject::createEllipsoid(radius1, radius2, sampling);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of ellipsoid failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
static PyObject *
createCylinder(PyObject *self, PyObject *args)
{
float radius = 2.0f;
float length = 10.0f;
int closed = 1;
float edgelen = 1.0f;
int sampling = 50;
if (!PyArg_ParseTuple(args, "|ffifi",&radius,&length,&closed,&edgelen,&sampling)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh = MeshObject::createCylinder(radius, length, closed, edgelen, sampling);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of cylinder failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
static PyObject *
createCone(PyObject *self, PyObject *args)
{
float radius1 = 2.0f;
float radius2 = 4.0f;
float len = 10.0f;
int closed = 1;
float edgelen = 1.0f;
int sampling = 50;
if (!PyArg_ParseTuple(args, "|fffifi",&radius1,&radius2,&len,&closed,&edgelen,&sampling)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh = MeshObject::createCone(radius1, radius2, len, closed, edgelen, sampling);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of cone failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
static PyObject *
createTorus(PyObject *self, PyObject *args)
{
float radius1 = 10.0f;
float radius2 = 2.0f;
int sampling = 50;
if (!PyArg_ParseTuple(args, "|ffi",&radius1,&radius2,&sampling)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh = MeshObject::createTorus(radius1, radius2, sampling);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of torus failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
static PyObject *
createBox(PyObject *self, PyObject *args)
{
float length = 10.0f;
float width = 10.0f;
float height = 10.0f;
float edgelen = -1.0f;
if (!PyArg_ParseTuple(args, "|ffff",&length,&width,&height,&edgelen)) // convert args: Python->C
return NULL; // NULL triggers exception
PY_TRY {
MeshObject* mesh;
if (edgelen < 0.0f)
mesh = MeshObject::createCube(length, width, height);
else
mesh = MeshObject::createCube(length, width, height, edgelen);
if (!mesh) {
PyErr_SetString(PyExc_Exception, "Creation of box failed");
return NULL;
}
return new MeshPy(mesh);
} PY_CATCH;
}
PyDoc_STRVAR(open_doc,
"open(string) -- Create a new document and a Mesh::Import feature to load the file into the document.");
PyDoc_STRVAR(inst_doc,
"insert(string|mesh,[string]) -- Load or insert a mesh into the given or active document.");
PyDoc_STRVAR(export_doc,
"export(list,string) -- Export a list of objects into a single file.");
/* List of functions defined in the module */
struct PyMethodDef Mesh_Import_methods[] = {
{"open" ,open , METH_VARARGS, open_doc},
{"insert" ,importer, METH_VARARGS, inst_doc},
{"export" ,exporter, METH_VARARGS, export_doc},
{"read" ,read, Py_NEWARGS, "Read a mesh from a file and returns a Mesh object."},
{"show" ,show, Py_NEWARGS, "Put a mesh object in the active document or creates one if needed"},
{"createBox" ,createBox, Py_NEWARGS, "Create a solid mesh box"},
{"createPlane",createPlane, Py_NEWARGS, "Create a mesh XY plane normal +Z"},
{"createSphere",createSphere, Py_NEWARGS, "Create a tessellated sphere"},
{"createEllipsoid",createEllipsoid, Py_NEWARGS, "Create a tessellated ellipsoid"},
{"createCylinder",createCylinder, Py_NEWARGS, "Create a tessellated cylinder"},
{"createCone",createCone, Py_NEWARGS, "Create a tessellated cone"},
{"createTorus",createTorus, Py_NEWARGS, "Create a tessellated torus"},
{NULL, NULL} /* sentinel */
};