/
AppPartPy.cpp
2271 lines (2103 loc) · 92.9 KB
/
AppPartPy.cpp
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/***************************************************************************
* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
* *
* 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 <BRep_Builder.hxx>
# include <BRep_Tool.hxx>
# include <BRepAdaptor_Curve.hxx>
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepBuilderAPI_MakePolygon.hxx>
# include <BRepBuilderAPI_MakeShell.hxx>
# include <BRepBuilderAPI_MakeSolid.hxx>
# include <BRepBuilderAPI_MakeWire.hxx>
# include <BRepCheck_Analyzer.hxx>
# include <BRepFeat_SplitShape.hxx>
# include <BRepOffsetAPI_Sewing.hxx>
# include <BRepPrim_Wedge.hxx>
# include <BRepPrimAPI_MakeBox.hxx>
# include <BRepPrimAPI_MakeCone.hxx>
# include <BRepPrimAPI_MakeCylinder.hxx>
# include <BRepPrimAPI_MakeRevolution.hxx>
# include <BRepPrimAPI_MakeSphere.hxx>
# include <BRepPrimAPI_MakeTorus.hxx>
# include <BRepFill.hxx>
# include <BRepFill_Filling.hxx>
# include <BRepFill_Generator.hxx>
# include <BRepLib.hxx>
# include <BSplCLib.hxx>
# include <gp_Ax3.hxx>
# include <gp_Circ.hxx>
# include <gp_Pnt.hxx>
# include <Geom_BSplineSurface.hxx>
# include <Geom_Circle.hxx>
# include <Geom_Plane.hxx>
# include <GeomFill_AppSurf.hxx>
# include <GeomFill_Line.hxx>
# include <GeomFill_SectionGenerator.hxx>
# include <Interface_Static.hxx>
# include <NCollection_List.hxx>
# include <Precision.hxx>
# include <ShapeUpgrade_ShellSewing.hxx>
# include <Standard_ConstructionError.hxx>
# include <Standard_DomainError.hxx>
# include <Standard_Version.hxx>
# include <TopExp_Explorer.hxx>
# include <TopoDS_Compound.hxx>
# include <TopoDS_Edge.hxx>
# include <TopoDS_Face.hxx>
# include <TopoDS_Shell.hxx>
# include <TopoDS_Solid.hxx>
# include <TopTools_ListIteratorOfListOfShape.hxx>
#endif
#include <BRepFill_Generator.hxx>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObjectPy.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Base/GeometryPyCXX.h>
#include <Base/Interpreter.h>
#include <Base/VectorPy.h>
#include "BSplineSurfacePy.h"
#include "edgecluster.h"
#include "FaceMaker.h"
#include "FeaturePartBox.h"
#include "FeaturePartCut.h"
#include "FeaturePartImportStep.h"
#include "FeaturePartImportIges.h"
#include "FeaturePartImportBrep.h"
#include "GeometryCurvePy.h"
#include "GeometryPy.h"
#include "ImportIges.h"
#include "ImportStep.h"
#include "modelRefine.h"
#include "OCCError.h"
#include "PartFeature.h"
#include "PartPyCXX.h"
#include "Tools.h"
#include "TopoShape.h"
#include "TopoShapeCompoundPy.h"
#include "TopoShapeCompSolidPy.h"
#include "TopoShapePy.h"
#include "TopoShapeEdgePy.h"
#include "TopoShapeFacePy.h"
#include "TopoShapeShellPy.h"
#include "TopoShapeSolidPy.h"
#include "TopoShapeWirePy.h"
#include "TopoShapeVertexPy.h"
#ifdef FCUseFreeType
# include "FT2FC.h"
#endif
extern const char* BRepBuilderAPI_FaceErrorText(BRepBuilderAPI_FaceError fe);
#ifndef M_PI
#define M_PI 3.14159265358979323846 /* pi */
#endif
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923 /* pi/2 */
#endif
namespace Part {
PartExport void getPyShapes(PyObject *obj, std::vector<TopoShape> &shapes) {
if(!obj)
return;
if(PyObject_TypeCheck(obj,&Part::TopoShapePy::Type))
shapes.push_back(*static_cast<TopoShapePy*>(obj)->getTopoShapePtr());
else if (PyObject_TypeCheck(obj, &GeometryPy::Type))
shapes.emplace_back(static_cast<GeometryPy*>(obj)->getGeometryPtr()->toShape());
else if(PySequence_Check(obj)) {
Py::Sequence list(obj);
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
if (PyObject_TypeCheck((*it).ptr(), &(Part::TopoShapePy::Type)))
shapes.push_back(*static_cast<TopoShapePy*>((*it).ptr())->getTopoShapePtr());
else if (PyObject_TypeCheck((*it).ptr(), &GeometryPy::Type))
shapes.emplace_back(static_cast<GeometryPy*>(
(*it).ptr())->getGeometryPtr()->toShape());
else
throw Py::TypeError("expect shape in sequence");
}
}else
throw Py::TypeError("expect shape or sequence of shapes");
}
PartExport std::vector<TopoShape> getPyShapes(PyObject *obj) {
std::vector<TopoShape> ret;
getPyShapes(obj,ret);
return ret;
}
struct EdgePoints {
gp_Pnt v1, v2;
std::list<TopoDS_Edge>::iterator it;
TopoDS_Edge edge;
};
PartExport std::list<TopoDS_Edge> sort_Edges(double tol3d, std::list<TopoDS_Edge>& edges)
{
tol3d = tol3d * tol3d;
std::list<EdgePoints> edge_points;
TopExp_Explorer xp;
for (std::list<TopoDS_Edge>::iterator it = edges.begin(); it != edges.end(); ++it) {
EdgePoints ep;
xp.Init(*it,TopAbs_VERTEX);
ep.v1 = BRep_Tool::Pnt(TopoDS::Vertex(xp.Current()));
xp.Next();
ep.v2 = BRep_Tool::Pnt(TopoDS::Vertex(xp.Current()));
ep.it = it;
ep.edge = *it;
edge_points.push_back(ep);
}
if (edge_points.empty())
return std::list<TopoDS_Edge>();
std::list<TopoDS_Edge> sorted;
gp_Pnt first, last;
first = edge_points.front().v1;
last = edge_points.front().v2;
sorted.push_back(edge_points.front().edge);
edges.erase(edge_points.front().it);
edge_points.erase(edge_points.begin());
while (!edge_points.empty()) {
// search for adjacent edge
std::list<EdgePoints>::iterator pEI;
for (pEI = edge_points.begin(); pEI != edge_points.end(); ++pEI) {
if (pEI->v1.SquareDistance(last) <= tol3d) {
last = pEI->v2;
sorted.push_back(pEI->edge);
edges.erase(pEI->it);
edge_points.erase(pEI);
pEI = edge_points.begin();
break;
}
else if (pEI->v2.SquareDistance(first) <= tol3d) {
first = pEI->v1;
sorted.push_front(pEI->edge);
edges.erase(pEI->it);
edge_points.erase(pEI);
pEI = edge_points.begin();
break;
}
else if (pEI->v2.SquareDistance(last) <= tol3d) {
last = pEI->v1;
Standard_Real first, last;
const Handle(Geom_Curve) & curve = BRep_Tool::Curve(pEI->edge, first, last);
first = curve->ReversedParameter(first);
last = curve->ReversedParameter(last);
TopoDS_Edge edgeReversed = BRepBuilderAPI_MakeEdge(curve->Reversed(), last, first);
sorted.push_back(edgeReversed);
edges.erase(pEI->it);
edge_points.erase(pEI);
pEI = edge_points.begin();
break;
}
else if (pEI->v1.SquareDistance(first) <= tol3d) {
first = pEI->v2;
Standard_Real first, last;
const Handle(Geom_Curve) & curve = BRep_Tool::Curve(pEI->edge, first, last);
first = curve->ReversedParameter(first);
last = curve->ReversedParameter(last);
TopoDS_Edge edgeReversed = BRepBuilderAPI_MakeEdge(curve->Reversed(), last, first);
sorted.push_front(edgeReversed);
edges.erase(pEI->it);
edge_points.erase(pEI);
pEI = edge_points.begin();
break;
}
}
if ((pEI == edge_points.end()) || (last.SquareDistance(first) <= tol3d)) {
// no adjacent edge found or polyline is closed
return sorted;
}
}
return sorted;
}
}
namespace Part {
class BRepFeatModule : public Py::ExtensionModule<BRepFeatModule>
{
public:
BRepFeatModule() : Py::ExtensionModule<BRepFeatModule>("BRepFeat")
{
initialize("This is a module working with the BRepFeat package."); // register with Python
}
virtual ~BRepFeatModule() {}
};
class BRepOffsetAPIModule : public Py::ExtensionModule<BRepOffsetAPIModule>
{
public:
BRepOffsetAPIModule() : Py::ExtensionModule<BRepOffsetAPIModule>("BRepOffsetAPI")
{
initialize("This is a module working with the BRepOffsetAPI package."); // register with Python
}
virtual ~BRepOffsetAPIModule() {}
};
class Geom2dModule : public Py::ExtensionModule<Geom2dModule>
{
public:
Geom2dModule() : Py::ExtensionModule<Geom2dModule>("Geom2d")
{
initialize("This is a module working with 2d geometries."); // register with Python
}
virtual ~Geom2dModule() {}
};
class GeomPlateModule : public Py::ExtensionModule<GeomPlateModule>
{
public:
GeomPlateModule() : Py::ExtensionModule<GeomPlateModule>("GeomPlate")
{
initialize("This is a module working with the GeomPlate framework."); // register with Python
}
virtual ~GeomPlateModule() {}
};
class HLRBRepModule : public Py::ExtensionModule<HLRBRepModule>
{
public:
HLRBRepModule() : Py::ExtensionModule<HLRBRepModule>("HLRBRep")
{
initialize("This is a module working with the HLRBRep framework."); // register with Python
}
virtual ~HLRBRepModule() {}
};
class ShapeUpgradeModule : public Py::ExtensionModule<ShapeUpgradeModule>
{
public:
ShapeUpgradeModule() : Py::ExtensionModule<ShapeUpgradeModule>("ShapeUpgrade")
{
initialize("This is a module working with the ShapeUpgrade framework."); // register with Python
}
virtual ~ShapeUpgradeModule() {}
};
class Module : public Py::ExtensionModule<Module>
{
BRepFeatModule brepFeat;
BRepOffsetAPIModule brepOffsetApi;
Geom2dModule geom2d;
GeomPlateModule geomPlate;
HLRBRepModule HLRBRep;
ShapeUpgradeModule shapeUpgrade;
public:
Module() : Py::ExtensionModule<Module>("Part")
{
add_varargs_method("open",&Module::open,
"open(string) -- Create a new document and load the file into the document."
);
add_varargs_method("insert",&Module::insert,
"insert(string,string) -- Insert the file into the given document."
);
add_varargs_method("export",&Module::exporter,
"export(list,string) -- Export a list of objects into a single file."
);
add_varargs_method("read",&Module::read,
"read(string) -- Load the file and return the shape."
);
add_varargs_method("show",&Module::show,
"show(shape,[string]) -- Add the shape to the active document or create one if no document exists."
);
add_varargs_method("getFacets",&Module::getFacets,
"getFacets(shape): simplified mesh generation"
);
add_varargs_method("makeCompound",&Module::makeCompound,
"makeCompound(list) -- Create a compound out of a list of shapes."
);
add_varargs_method("makeShell",&Module::makeShell,
"makeShell(list) -- Create a shell out of a list of faces."
);
add_varargs_method("makeFace",&Module::makeFace,
"makeFace(list_of_shapes_or_compound, maker_class_name) -- Create a face (faces) using facemaker class.\n"
"maker_class_name is a string like 'Part::FaceMakerSimple'."
);
add_varargs_method("makeFilledFace",&Module::makeFilledFace,
"makeFilledFace(list) -- Create a face out of a list of edges."
);
add_varargs_method("makeSolid",&Module::makeSolid,
"makeSolid(shape): Create a solid out of shells of shape. If shape is a compsolid, the overall volume solid is created."
);
add_varargs_method("makePlane",&Module::makePlane,
"makePlane(length,width,[pnt,dirZ,dirX]) -- Make a plane\n"
"By default pnt=Vector(0,0,0) and dirZ=Vector(0,0,1), dirX is ignored in this case"
);
add_varargs_method("makeBox",&Module::makeBox,
"makeBox(length,width,height,[pnt,dir]) -- Make a box located\n"
"in pnt with the dimensions (length,width,height)\n"
"By default pnt=Vector(0,0,0) and dir=Vector(0,0,1)"
);
add_varargs_method("makeWedge",&Module::makeWedge,
"makeWedge(xmin, ymin, zmin, z2min, x2min,\n"
"xmax, ymax, zmax, z2max, x2max,[pnt,dir])\n"
" -- Make a wedge located in pnt\n"
"By default pnt=Vector(0,0,0) and dir=Vector(0,0,1)"
);
add_varargs_method("makeLine",&Module::makeLine,
"makeLine(startpnt,endpnt) -- Make a line between two points\n"
"\n"
"Args:\n"
" startpnt (Vector or tuple): Vector or 3 element tuple \n"
" containing the x,y and z coordinates of the start point,\n"
" i.e. (x1,y1,z1).\n"
" endpnt (Vector or tuple): Vector or 3 element tuple \n"
" containing the x,y and z coordinates of the start point,\n"
" i.e. (x1,y1,z1).\n"
"\n"
"Returns:\n"
" Edge: Part.Edge object\n"
);
add_varargs_method("makePolygon",&Module::makePolygon,
"makePolygon(pntslist) -- Make a polygon from a list of points\n"
"\n"
"Args:\n"
" pntslist (list(Vector)): list of Vectors representing the \n"
" points of the polygon.\n"
"\n"
"Returns:\n"
" Wire: Part.Wire object. If the last point in the list is \n"
" not the same as the first point, the Wire will not be \n"
" closed and cannot be used to create a face.\n"
);
add_varargs_method("makeCircle",&Module::makeCircle,
"makeCircle(radius,[pnt,dir,angle1,angle2]) -- Make a circle with a given radius\n"
"By default pnt=Vector(0,0,0), dir=Vector(0,0,1), angle1=0 and angle2=360"
);
add_varargs_method("makeSphere",&Module::makeSphere,
"makeSphere(radius,[pnt, dir, angle1,angle2,angle3]) -- Make a sphere with a given radius\n"
"By default pnt=Vector(0,0,0), dir=Vector(0,0,1), angle1=0, angle2=90 and angle3=360"
);
add_varargs_method("makeCylinder",&Module::makeCylinder,
"makeCylinder(radius,height,[pnt,dir,angle]) -- Make a cylinder with a given radius and height\n"
"By default pnt=Vector(0,0,0),dir=Vector(0,0,1) and angle=360"
);
add_varargs_method("makeCone",&Module::makeCone,
"makeCone(radius1,radius2,height,[pnt,dir,angle]) -- Make a cone with given radii and height\n"
"By default pnt=Vector(0,0,0), dir=Vector(0,0,1) and angle=360"
);
add_varargs_method("makeTorus",&Module::makeTorus,
"makeTorus(radius1,radius2,[pnt,dir,angle1,angle2,angle]) -- Make a torus with a given radii and angles\n"
"By default pnt=Vector(0,0,0),dir=Vector(0,0,1),angle1=0,angle1=360 and angle=360"
);
add_varargs_method("makeHelix",&Module::makeHelix,
"makeHelix(pitch,height,radius,[angle]) -- Make a helix with a given pitch, height and radius\n"
"By default a cylindrical surface is used to create the helix. If the fourth parameter is set\n"
"(the apex given in degree) a conical surface is used instead"
);
add_varargs_method("makeLongHelix",&Module::makeLongHelix,
"makeLongHelix(pitch,height,radius,[angle],[hand]) -- Make a (multi-edge) helix with a given pitch, height and radius\n"
"By default a cylindrical surface is used to create the helix. If the fourth parameter is set\n"
"(the apex given in degree) a conical surface is used instead."
);
add_varargs_method("makeThread",&Module::makeThread,
"makeThread(pitch,depth,height,radius) -- Make a thread with a given pitch, depth, height and radius"
);
add_varargs_method("makeRevolution",&Module::makeRevolution,
"makeRevolution(Curve or Edge,[vmin,vmax,angle,pnt,dir,shapetype]) -- Make a revolved shape\n"
"by rotating the curve or a portion of it around an axis given by (pnt,dir).\n"
"By default vmin/vmax=bounds of the curve, angle=360, pnt=Vector(0,0,0),\n"
"dir=Vector(0,0,1) and shapetype=Part.Solid"
);
add_varargs_method("makeRuledSurface",&Module::makeRuledSurface,
"makeRuledSurface(Edge|Wire,Edge|Wire) -- Make a ruled surface\n"
"Create a ruled surface out of two edges or wires. If wires are used then"
"these must have the same number of edges."
);
add_varargs_method("makeShellFromWires",&Module::makeShellFromWires,
"makeShellFromWires(Wires) -- Make a shell from wires.\n"
"The wires must have the same number of edges."
);
add_varargs_method("makeTube",&Module::makeTube,
"makeTube(edge,radius,[continuity,max degree,max segments]) -- Create a tube.\n"
"continuity is a string which must be 'C0','C1','C2','C3','CN','G1' or 'G1',"
);
add_varargs_method("makeSweepSurface",&Module::makeSweepSurface,
"makeSweepSurface(edge(path),edge(profile),[float]) -- Create a profile along a path."
);
add_varargs_method("makeLoft",&Module::makeLoft,
"makeLoft(list of wires,[solid=False,ruled=False,closed=False,maxDegree=5]) -- Create a loft shape."
);
add_varargs_method("makeWireString",&Module::makeWireString,
"makeWireString(string,fontdir,fontfile,height,[track]) -- Make list of wires in the form of a string's characters."
);
add_varargs_method("makeSplitShape",&Module::makeSplitShape,
"makeSplitShape(shape, list of shape pairs,[check Interior=True]) -> two lists of shapes.\n"
"The following shape pairs are supported:\n"
"* Wire, Face\n"
"* Edge, Face\n"
"* Compound, Face\n"
"* Edge, Edge\n"
"* The face must be part of the specified shape and the edge, wire or compound must\n"
"lie on the face.\n"
"Output:\n"
"The first list contains the faces that are the left of the projected wires.\n"
"The second list contains the left part on the shape.\n\n"
"Example:\n"
"face = ...\n"
"edges = ...\n"
"split = [(edges[0],face),(edges[1],face)]\n"
"r = Part.makeSplitShape(face, split)\n"
"Part.show(r[0][0])\n"
"Part.show(r[1][0])\n"
);
add_varargs_method("exportUnits",&Module::exportUnits,
"exportUnits([string=MM|M|INCH|FT|MI|KM|MIL|UM|CM|UIN]) -- Set units for exporting STEP/IGES files and returns the units."
);
add_varargs_method("setStaticValue",&Module::setStaticValue,
"setStaticValue(string,string|int|float) -- Set a name to a value The value can be a string, int or float."
);
add_varargs_method("cast_to_shape",&Module::cast_to_shape,
"cast_to_shape(shape) -- Cast to the actual shape type"
);
add_varargs_method("getSortedClusters",&Module::getSortedClusters,
"getSortedClusters(list of edges) -- Helper method to sort and cluster a variety of edges"
);
add_varargs_method("__sortEdges__",&Module::sortEdges,
"__sortEdges__(list of edges) -- list of edges\n"
"Helper method to sort an unsorted list of edges so that afterwards\n"
"the start and end vertex of two consecutive edges are geometrically coincident.\n"
"It returns a single list of edges and the algorithm stops after the first set of\n"
"connected edges which means that the output list can be smaller than the input list.\n"
"The sorted list can be used to create a Wire."
);
add_varargs_method("sortEdges",&Module::sortEdges2,
"sortEdges(list of edges) -- list of lists of edges\n"
"It does basically the same as __sortEdges__ but sorts all input edges and thus returns\n"
"a list of lists of edges"
);
add_varargs_method("__toPythonOCC__",&Module::toPythonOCC,
"__toPythonOCC__(shape) -- Helper method to convert an internal shape to pythonocc shape"
);
add_varargs_method("__fromPythonOCC__",&Module::fromPythonOCC,
"__fromPythonOCC__(occ) -- Helper method to convert a pythonocc shape to an internal shape"
);
add_varargs_method("clearShapeCache",&Module::clearShapeCache,
"clearShapeCache() -- Clears internal shape cache"
);
add_keyword_method("getShape",&Module::getShape,
"getShape(obj,subname=None,mat=None,needSubElement=False,transform=True,retType=0):\n"
"Obtain the the TopoShape of a given object with SubName reference\n\n"
"* obj: the input object\n"
"* subname: dot separated sub-object reference\n"
"* mat: the current transformation matrix\n"
"* needSubElement: if False, ignore the sub-element (e.g. Face1, Edge1) reference in 'subname'\n"
"* transform: if False, then skip obj's transformation. Use this if mat already include obj's\n"
" transformation matrix\n"
"* retType: 0: return TopoShape,\n"
" 1: return (shape,subObj,mat), where subObj is the object referenced in 'subname',\n"
" and 'mat' is the accumulated transformation matrix of that sub-object.\n"
" 2: same as 1, but make sure 'subObj' is resolved if it is a link.\n"
"* refine: refine the returned shape"
);
add_varargs_method("splitSubname",&Module::splitSubname,
"splitSubname(subname) -> list(sub,mapped,subElement)\n"
"Split the given subname into a list\n\n"
"sub: subname without any sub-element reference\n"
"mapped: mapped element name, or '' if none\n"
"subElement: old style element name, or '' if none"
);
add_varargs_method("joinSubname",&Module::joinSubname,
"joinSubname(sub,mapped,subElement) -> subname\n"
);
initialize("This is a module working with shapes."); // register with Python
PyModule_AddObject(m_module, "BRepFeat", brepFeat.module().ptr());
PyModule_AddObject(m_module, "BRepOffsetAPI", brepOffsetApi.module().ptr());
PyModule_AddObject(m_module, "Geom2d", geom2d.module().ptr());
PyModule_AddObject(m_module, "GeomPlate", geomPlate.module().ptr());
PyModule_AddObject(m_module, "HLRBRep", HLRBRep.module().ptr());
PyModule_AddObject(m_module, "ShapeUpgrade", shapeUpgrade.module().ptr());
}
virtual ~Module() {}
private:
virtual Py::Object invoke_method_keyword( void *method_def,
const Py::Tuple &args, const Py::Dict &keywords ) override
{
try {
return Py::ExtensionModule<Module>::invoke_method_keyword(method_def, args, keywords);
}
catch (const Standard_Failure &e) {
std::string str;
Standard_CString msg = e.GetMessageString();
str += typeid(e).name();
str += " ";
if (msg) {str += msg;}
else {str += "No OCCT Exception Message";}
Base::Console().Error("%s\n", str.c_str());
throw Py::Exception(Part::PartExceptionOCCError, str);
}
catch (const Base::Exception &e) {
std::string str;
str += "FreeCAD exception thrown (";
str += e.what();
str += ")";
e.ReportException();
throw Py::RuntimeError(str);
}
catch (const std::exception &e) {
std::string str;
str += "C++ exception thrown (";
str += e.what();
str += ")";
Base::Console().Error("%s\n", str.c_str());
throw Py::RuntimeError(str);
}
}
virtual Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args) override
{
try {
return Py::ExtensionModule<Module>::invoke_method_varargs(method_def, args);
}
catch (const Standard_Failure &e) {
std::string str;
Standard_CString msg = e.GetMessageString();
str += typeid(e).name();
str += " ";
if (msg) {str += msg;}
else {str += "No OCCT Exception Message";}
Base::Console().Error("%s\n", str.c_str());
throw Py::Exception(Part::PartExceptionOCCError, str);
}
catch (const Base::Exception &e) {
std::string str;
str += "FreeCAD exception thrown (";
str += e.what();
str += ")";
e.ReportException();
throw Py::RuntimeError(str);
}
catch (const std::exception &e) {
std::string str;
str += "C++ exception thrown (";
str += e.what();
str += ")";
Base::Console().Error("%s\n", str.c_str());
throw Py::RuntimeError(str);
}
}
Py::Object open(const Py::Tuple& args)
{
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
//Base::Console().Log("Open in Part with %s",Name);
Base::FileInfo file(EncodedName.c_str());
// extract ending
if (file.extension().empty())
throw Py::RuntimeError("No file extension");
if (file.hasExtension("stp") || file.hasExtension("step")) {
// create new document and add Import feature
App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
#if 1
ImportStepParts(pcDoc,EncodedName.c_str());
#else
Part::ImportStep *pcFeature = (Part::ImportStep *)pcDoc->addObject("Part::ImportStep",file.fileNamePure().c_str());
pcFeature->FileName.setValue(Name);
#endif
pcDoc->recompute();
}
#if 1
else if (file.hasExtension("igs") || file.hasExtension("iges")) {
App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
ImportIgesParts(pcDoc,EncodedName.c_str());
pcDoc->recompute();
}
#endif
else {
TopoShape shape;
shape.read(EncodedName.c_str());
// create new document set loaded shape
App::Document *pcDoc = App::GetApplication().newDocument(file.fileNamePure().c_str());
Part::Feature *object = static_cast<Part::Feature *>(pcDoc->addObject
("Part::Feature",file.fileNamePure().c_str()));
object->Shape.setValue(shape);
pcDoc->recompute();
}
return Py::None();
}
Py::Object insert(const Py::Tuple& args)
{
char* Name;
const char* DocName;
if (!PyArg_ParseTuple(args.ptr(), "ets","utf-8",&Name,&DocName))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
//Base::Console().Log("Insert in Part with %s",Name);
Base::FileInfo file(EncodedName.c_str());
// extract ending
if (file.extension().empty())
throw Py::RuntimeError("No file extension");
App::Document *pcDoc = App::GetApplication().getDocument(DocName);
if (!pcDoc) {
pcDoc = App::GetApplication().newDocument(DocName);
}
if (file.hasExtension("stp") || file.hasExtension("step")) {
#if 1
ImportStepParts(pcDoc,EncodedName.c_str());
#else
// add Import feature
Part::ImportStep *pcFeature = (Part::ImportStep *)pcDoc->addObject("Part::ImportStep",file.fileNamePure().c_str());
pcFeature->FileName.setValue(Name);
#endif
pcDoc->recompute();
}
#if 1
else if (file.hasExtension("igs") || file.hasExtension("iges")) {
ImportIgesParts(pcDoc,EncodedName.c_str());
pcDoc->recompute();
}
#endif
else {
TopoShape shape;
shape.read(EncodedName.c_str());
Part::Feature *object = static_cast<Part::Feature *>(pcDoc->addObject
("Part::Feature",file.fileNamePure().c_str()));
object->Shape.setValue(shape);
pcDoc->recompute();
}
return Py::None();
}
Py::Object exporter(const Py::Tuple& args)
{
PyObject* object;
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "Oet",&object,"utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
Py::Sequence list(object);
for (Py::Sequence::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(Part::Feature::getClassTypeId())) {
Part::Feature* part = static_cast<Part::Feature*>(obj);
const TopoDS_Shape& shape = part->Shape.getValue();
if (!shape.IsNull())
builder.Add(comp, shape);
}
else {
Base::Console().Message("'%s' is not a shape, export will be ignored.\n", obj->Label.getValue());
}
}
}
TopoShape shape(comp);
shape.write(EncodedName.c_str());
return Py::None();
}
Py::Object read(const Py::Tuple& args)
{
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
TopoShape* shape = new TopoShape();
shape->read(EncodedName.c_str());
return Py::asObject(new TopoShapePy(shape));
}
Py::Object show(const Py::Tuple& args)
{
PyObject *pcObj = nullptr;
char *name = "Shape";
if (!PyArg_ParseTuple(args.ptr(), "O!|s", &(TopoShapePy::Type), &pcObj, &name))
throw Py::Exception();
App::Document *pcDoc = App::GetApplication().getActiveDocument();
if (!pcDoc)
pcDoc = App::GetApplication().newDocument();
TopoShapePy* pShape = static_cast<TopoShapePy*>(pcObj);
Part::Feature *pcFeature = static_cast<Part::Feature*>(pcDoc->addObject("Part::Feature", name));
// copy the data
pcFeature->Shape.setValue(pShape->getTopoShapePtr()->getShape());
pcDoc->recompute();
return Py::asObject(pcFeature->getPyObject());
}
Py::Object getFacets(const Py::Tuple& args)
{
PyObject *shape;
Py::List list;
if (!PyArg_ParseTuple(args.ptr(), "O", &shape))
throw Py::Exception();
auto theShape = static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->getShape();
for (TopExp_Explorer ex(theShape, TopAbs_FACE); ex.More(); ex.Next()) {
TopoDS_Face currentFace = TopoDS::Face(ex.Current());
std::vector<gp_Pnt> points;
std::vector<Poly_Triangle> facets;
if (Tools::getTriangulation(currentFace, points, facets)) {
for (const auto& it : facets) {
Standard_Integer n1,n2,n3;
it.Get(n1, n2, n3);
gp_Pnt p1 = points[n1];
gp_Pnt p2 = points[n2];
gp_Pnt p3 = points[n3];
// TODO: verify if tolerance should be hard coded
if (!p1.IsEqual(p2, 0.01) && !p2.IsEqual(p3, 0.01) && !p3.IsEqual(p1, 0.01)) {
PyObject *t1 = PyTuple_Pack(3, PyFloat_FromDouble(p1.X()), PyFloat_FromDouble(p1.Y()), PyFloat_FromDouble(p1.Z()));
PyObject *t2 = PyTuple_Pack(3, PyFloat_FromDouble(p2.X()), PyFloat_FromDouble(p2.Y()), PyFloat_FromDouble(p2.Z()));
PyObject *t3 = PyTuple_Pack(3, PyFloat_FromDouble(p3.X()), PyFloat_FromDouble(p3.Y()), PyFloat_FromDouble(p3.Z()));
list.append(Py::asObject(PyTuple_Pack(3, t1, t2, t3)));
}
}
}
}
return list;
}
Py::Object makeCompound(const Py::Tuple& args)
{
PyObject *pcObj;
if (!PyArg_ParseTuple(args.ptr(), "O", &pcObj))
throw Py::Exception();
BRep_Builder builder;
TopoDS_Compound Comp;
builder.MakeCompound(Comp);
PY_TRY {
for(auto &s : getPyShapes(pcObj)) {
const auto &sh = s.getShape();
if (!sh.IsNull())
builder.Add(Comp, sh);
}
} _PY_CATCH_OCC(throw Py::Exception())
return Py::asObject(new TopoShapeCompoundPy(new TopoShape(Comp)));
}
Py::Object makeShell(const Py::Tuple& args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args.ptr(), "O", &obj))
throw Py::Exception();
BRep_Builder builder;
TopoDS_Shape shape;
TopoDS_Shell shell;
//BRepOffsetAPI_Sewing mkShell;
builder.MakeShell(shell);
try {
Py::Sequence list(obj);
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
if (PyObject_TypeCheck((*it).ptr(), &(Part::TopoShapeFacePy::Type))) {
const TopoDS_Shape& sh = static_cast<TopoShapeFacePy*>((*it).ptr())->
getTopoShapePtr()->getShape();
if (!sh.IsNull())
builder.Add(shell, sh);
}
}
shape = shell;
BRepCheck_Analyzer check(shell);
if (!check.IsValid()) {
ShapeUpgrade_ShellSewing sewShell;
shape = sewShell.ApplySewing(shell);
}
}
catch (Standard_Failure& e) {
throw Py::Exception(PartExceptionOCCError, e.GetMessageString());
}
return Py::asObject(new TopoShapeShellPy(new TopoShape(shape)));
}
Py::Object makeFace(const Py::Tuple& args)
{
try {
char* className = nullptr;
PyObject* pcPyShapeOrList = nullptr;
PyErr_Clear();
if (PyArg_ParseTuple(args.ptr(), "Os", &pcPyShapeOrList, &className)) {
std::unique_ptr<FaceMaker> fm = Part::FaceMaker::ConstructFromType(className);
//dump all supplied shapes to facemaker, no matter what type (let facemaker decide).
if (PySequence_Check(pcPyShapeOrList)){
Py::Sequence list(pcPyShapeOrList);
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
PyObject* item = (*it).ptr();
if (PyObject_TypeCheck(item, &(Part::TopoShapePy::Type))) {
const TopoDS_Shape& sh = static_cast<Part::TopoShapePy*>(item)->getTopoShapePtr()->getShape();
fm->addShape(sh);
} else {
throw Py::TypeError("Object is not a shape.");
}
}
} else if (PyObject_TypeCheck(pcPyShapeOrList, &(Part::TopoShapePy::Type))) {
const TopoDS_Shape& sh = static_cast<Part::TopoShapePy*>(pcPyShapeOrList)->getTopoShapePtr()->getShape();
if (sh.IsNull())
throw NullShapeException("Shape is null!");
if (sh.ShapeType() == TopAbs_COMPOUND)
fm->useCompound(TopoDS::Compound(sh));
else
fm->addShape(sh);
} else {
throw Py::Exception(PyExc_TypeError, "First argument is neither a shape nor list of shapes.");
}
fm->Build();
TopoShape topo(fm->Shape());
return Py::asObject(topo.getPyObject());
}
throw Py::TypeError(std::string("Argument type signature not recognized. Should be either (list, string), or (shape, string)"));
} catch (Standard_Failure& e) {
throw Py::Exception(PartExceptionOCCError, e.GetMessageString());
} catch (Base::Exception &e){
e.setPyException();
throw Py::Exception();
}
}
Py::Object makeFilledFace(const Py::Tuple& args)
{
// TODO: BRepFeat_SplitShape
PyObject *obj;
PyObject *surf=nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O|O!", &obj, &TopoShapeFacePy::Type, &surf))
throw Py::Exception();
// See also BRepOffsetAPI_MakeFilling
BRepFill_Filling builder;
try {
if (surf) {
const TopoDS_Shape& face = static_cast<TopoShapeFacePy*>(surf)->
getTopoShapePtr()->getShape();
if (!face.IsNull() && face.ShapeType() == TopAbs_FACE) {
builder.LoadInitSurface(TopoDS::Face(face));
}
}
Py::Sequence list(obj);
int numConstraints = 0;
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
if (PyObject_TypeCheck((*it).ptr(), &(Part::TopoShapePy::Type))) {
const TopoDS_Shape& sh = static_cast<TopoShapePy*>((*it).ptr())->
getTopoShapePtr()->getShape();
if (!sh.IsNull()) {
if (sh.ShapeType() == TopAbs_EDGE) {
builder.Add(TopoDS::Edge(sh), GeomAbs_C0);
numConstraints++;
}
else if (sh.ShapeType() == TopAbs_FACE) {
builder.Add(TopoDS::Face(sh), GeomAbs_C0);
numConstraints++;
}
else if (sh.ShapeType() == TopAbs_VERTEX) {
const TopoDS_Vertex& v = TopoDS::Vertex(sh);
gp_Pnt pnt = BRep_Tool::Pnt(v);
builder.Add(pnt);
numConstraints++;
}
}
}
}
if (numConstraints == 0) {
throw Py::Exception(PartExceptionOCCError, "Failed to create face with no constraints");
}
builder.Build();
if (builder.IsDone()) {
return Py::asObject(new TopoShapeFacePy(new TopoShape(builder.Face())));
}
else {
throw Py::Exception(PartExceptionOCCError, "Failed to created face by filling edges");
}
}
catch (Standard_Failure& e) {
throw Py::Exception(PartExceptionOCCError, e.GetMessageString());
}
}
Py::Object makeSolid(const Py::Tuple& args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args.ptr(), "O!", &(TopoShapePy::Type), &obj))
throw Py::Exception();
try {
const TopoDS_Shape& shape = static_cast<TopoShapePy*>(obj)
->getTopoShapePtr()->getShape();
//first, if we were given a compsolid, try making a solid out of it
TopExp_Explorer CSExp (shape, TopAbs_COMPSOLID);
TopoDS_CompSolid compsolid;
int count=0;
for (; CSExp.More(); CSExp.Next()) {
++count;
compsolid = TopoDS::CompSolid(CSExp.Current());
if (count > 1)
break;
}
if (count == 0) {