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TopoShape.cpp
4246 lines (3773 loc) · 152 KB
/
TopoShape.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 <array>
# include <cmath>
# include <cstdlib>
# include <sstream>
# include <boost/regex.hpp>
# include <APIHeaderSection_MakeHeader.hxx>
# include <BinTools.hxx>
# include <BinTools_ShapeSet.hxx>
# include <Bnd_Box.hxx>
# include <BRep_Builder.hxx>
# include <BRep_Tool.hxx>
# include <BRepAdaptor_Surface.hxx>
# include <BRepAlgoAPI_Common.hxx>
# include <BRepAdaptor_CompCurve.hxx>
# include <BRepAdaptor_Curve.hxx>
# include <BRepAlgoAPI_Cut.hxx>
# include <BRepAlgoAPI_Fuse.hxx>
# include <BRepAlgoAPI_Section.hxx>
# include <BRepBndLib.hxx>
# include <BRepBuilderAPI_Copy.hxx>
# include <BRepBuilderAPI_FaceError.hxx>
# include <BRepBuilderAPI_GTransform.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeSolid.hxx>
# include <BRepBuilderAPI_MakeVertex.hxx>
# include <BRepBuilderAPI_MakeWire.hxx>
# include <BRepBuilderAPI_NurbsConvert.hxx>
# include <BRepBuilderAPI_Sewing.hxx>
# include <BRepBuilderAPI_Transform.hxx>
# include <BRepCheck_Analyzer.hxx>
# include <BRepClass_FaceClassifier.hxx>
# include <BRepCheck_ListIteratorOfListOfStatus.hxx>
# include <BRepCheck_Result.hxx>
# include <BRepFill_CompatibleWires.hxx>
# include <BRepGProp.hxx>
# include <BRepGProp_Face.hxx>
# include <BRepLib.hxx>
# include <BRepLib_FindSurface.hxx>
# include <BRepLProp_SLProps.hxx>
# include <BRepMesh_IncrementalMesh.hxx>
# include <BRepOffsetAPI_MakeOffset.hxx>
# include <BRepOffsetAPI_MakeOffsetShape.hxx>
# include <BRepOffsetAPI_MakePipe.hxx>
# include <BRepOffsetAPI_MakePipeShell.hxx>
# include <BRepOffsetAPI_ThruSections.hxx>
# include <BRepOffsetAPI_MakeThickSolid.hxx>
# include <BRepPrimAPI_MakePrism.hxx>
# include <BRepPrimAPI_MakeRevol.hxx>
# include <BRepPrimAPI_MakeTorus.hxx>
# include <BRepTools.hxx>
# include <BRepTools_ReShape.hxx>
# include <BRepTools_ShapeSet.hxx>
# include <BRepTools_WireExplorer.hxx>
# include <BSplCLib.hxx>
# include <GCE2d_MakeSegment.hxx>
# include <GCPnts_UniformAbscissa.hxx>
# include <Geom_BezierCurve.hxx>
# include <Geom_BezierSurface.hxx>
# include <Geom_BSplineCurve.hxx>
# include <Geom_BSplineSurface.hxx>
# include <Geom_CartesianPoint.hxx>
# include <Geom_Circle.hxx>
# include <Geom_ConicalSurface.hxx>
# include <Geom_CylindricalSurface.hxx>
# include <Geom_Ellipse.hxx>
# include <Geom_Hyperbola.hxx>
# include <Geom_Line.hxx>
# include <Geom_Parabola.hxx>
# include <Geom_Plane.hxx>
# include <Geom_SphericalSurface.hxx>
# include <Geom_SurfaceOfLinearExtrusion.hxx>
# include <Geom_SurfaceOfRevolution.hxx>
# include <Geom_ToroidalSurface.hxx>
# include <Geom2d_Ellipse.hxx>
# include <Geom2d_Line.hxx>
# include <Geom2d_TrimmedCurve.hxx>
# include <GeomFill_CorrectedFrenet.hxx>
# include <GeomFill_CurveAndTrihedron.hxx>
# include <GeomFill_EvolvedSection.hxx>
# include <GeomFill_Pipe.hxx>
# include <GeomFill_SectionLaw.hxx>
# include <GeomFill_Sweep.hxx>
# include <GeomLib.hxx>
# include <GeomLib_IsPlanarSurface.hxx>
# include <gp_Circ.hxx>
# include <gp_Pln.hxx>
# include <GProp_GProps.hxx>
# include <IGESControl_Controller.hxx>
# include <IGESControl_Reader.hxx>
# include <IGESControl_Writer.hxx>
# include <IGESData_GlobalSection.hxx>
# include <IGESData_IGESModel.hxx>
# include <Interface_Static.hxx>
# include <Law_BSpline.hxx>
# include <Law_BSpFunc.hxx>
# include <Law_Constant.hxx>
# include <ShapeAnalysis_FreeBoundsProperties.hxx>
# include <ShapeExtend_Explorer.hxx>
# include <ShapeFix_Shape.hxx>
# include <ShapeUpgrade_RemoveInternalWires.hxx>
# include <ShapeUpgrade_ShellSewing.hxx>
# include <Standard_Failure.hxx>
# include <Standard_Version.hxx>
# include <STEPControl_Reader.hxx>
# include <STEPControl_Writer.hxx>
# include <StlAPI_Writer.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Compound.hxx>
# include <TopoDS_Iterator.hxx>
# include <TopoDS_Solid.hxx>
# include <TopoDS_Vertex.hxx>
# include <TopExp.hxx>
# include <TopExp_Explorer.hxx>
# include <TopTools_ListIteratorOfListOfShape.hxx>
# include <TopTools_HSequenceOfShape.hxx>
# include <Transfer_FinderProcess.hxx>
# include <Transfer_TransientProcess.hxx>
# include <XSControl_TransferWriter.hxx>
# include <XSControl_WorkSession.hxx>
# include <BOPAlgo_ArgumentAnalyzer.hxx>
# include <BOPAlgo_ListOfCheckResult.hxx>
# include <BRepAlgoAPI_Defeaturing.hxx>
#if OCC_VERSION_HEX < 0x070600
# include <BRepAdaptor_HCurve.hxx>
# include <BRepAdaptor_HCompCurve.hxx>
#endif
# include <boost/algorithm/string/predicate.hpp>
# include <boost/core/ignore_unused.hpp>
#endif // _PreComp_
#include <App/Material.h>
#include <App/ElementNamingUtils.h>
#include <Base/BoundBox.h>
#include <Base/Builder3D.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Placement.h>
#include <Base/Tools.h>
#include <Base/Reader.h>
#include <Base/Writer.h>
#include "TopoShape.h"
#include "BRepMesh.h"
#include "BRepOffsetAPI_MakeOffsetFix.h"
#include "CrossSection.h"
#include "encodeFilename.h"
#include "FaceMakerBullseye.h"
#include "Interface.h"
#include "modelRefine.h"
#include "PartPyCXX.h"
#include "ProgressIndicator.h"
#include "Tools.h"
#include "TopoShapeCompoundPy.h"
#include "TopoShapeCompSolidPy.h"
#include "TopoShapeEdgePy.h"
#include "TopoShapeFacePy.h"
#include "TopoShapeShellPy.h"
#include "TopoShapeSolidPy.h"
#include "TopoShapeVertexPy.h"
#include "TopoShapeWirePy.h"
FC_LOG_LEVEL_INIT("TopoShape",true,true)
using namespace Part;
const char* BRepBuilderAPI_FaceErrorText(BRepBuilderAPI_FaceError et)
{
switch (et)
{
case BRepBuilderAPI_FaceDone:
return "Construction was successful";
case BRepBuilderAPI_NoFace:
return "No face";
case BRepBuilderAPI_NotPlanar:
return "Face is not planar";
case BRepBuilderAPI_CurveProjectionFailed:
return "Curve projection failed";
case BRepBuilderAPI_ParametersOutOfRange:
return "Parameters out of range";
default:
return "Unknown creation error";
}
}
/**
* Derive a roughly proportional default angular deflection from a linear
* tolerance. This is a work-around for unreliable linear tolerance enforcement
* in OCC, especially on nurbs surfaces. The intention is to provide sane
* baseline (default) behavior with linear tolerances only, until OCC is fixed.
* If needed for specific use cases, explicit angular deflection parameters can
* still be exposed separately.
*/
inline double defaultAngularDeflection(double linearTolerance) {
// Default OCC angular deflection is 0.5 radians, or about 28.6 degrees.
// That is a bit coarser than necessary for performance, so we default to at
// most 0.1 radians, or 5.7 degrees. We also do not go finer than 0.005, or
// roughly 0.28 degree angular resolution, to avoid performance tanking
// completely at very fine resolutions.
return std::min(0.1, linearTolerance * 5 + 0.005);
}
// ------------------------------------------------
NullShapeException::NullShapeException()
: ValueError()
{
}
NullShapeException::NullShapeException(const char * sMessage)
: ValueError(sMessage)
{
}
NullShapeException::NullShapeException(const std::string& sMessage)
: ValueError(sMessage)
{
}
// ------------------------------------------------
BooleanException::BooleanException()
: CADKernelError()
{
}
BooleanException::BooleanException(const char * sMessage)
: CADKernelError(sMessage)
{
}
BooleanException::BooleanException(const std::string& sMessage)
: CADKernelError(sMessage)
{
}
// ------------------------------------------------
TYPESYSTEM_SOURCE(Part::ShapeSegment , Data::Segment)
std::string ShapeSegment::getName() const
{
return {};
}
// ------------------------------------------------
TYPESYSTEM_SOURCE(Part::TopoShape , Data::ComplexGeoData)
TopoShape::~TopoShape() = default;
TopoShape::TopoShape(long tag,App::StringHasherRef hasher, const TopoDS_Shape &shape)
:_Shape(*this, shape)
{
Tag = tag;
Hasher = hasher;
}
TopoShape::TopoShape(const TopoDS_Shape &shape, long tag, App::StringHasherRef hasher)
: _Shape(*this, shape)
{
Tag = tag;
Hasher = hasher;
}
TopoShape::TopoShape(const TopoShape& shape)
: _Shape(*this)
{
*this = shape;
}
std::pair<std::string, unsigned long> TopoShape::getElementTypeAndIndex(const char* Name)
{
int index = 0;
std::string element;
boost::regex ex("^(Face|Edge|Vertex)([1-9][0-9]*)$");
boost::cmatch what;
if (Name && boost::regex_match(Name, what, ex)) {
element = what[1].str();
index = std::atoi(what[2].str().c_str());
}
return std::make_pair(element, index);
}
std::vector<const char*> TopoShape::getElementTypes() const
{
static const std::vector<const char*> temp = {"Face","Edge","Vertex"};
return temp;
}
unsigned long TopoShape::countSubElements(const char* Type) const
{
return countSubShapes(Type);
}
Data::Segment* TopoShape::getSubElement(const char* Type, unsigned long n) const
{
std::stringstream str;
str << Type << n;
std::string temp = str.str();
return new ShapeSegment(getSubShape(temp.c_str()));
}
// Type can be (should be?) a subshape name, not a type, E.G. Edge3
TopoDS_Shape TopoShape::getSubShape(const char* Type, bool silent) const {
TopoShape s(*this);
s.Tag = 0;
return s.getSubTopoShape(Type,silent).getShape();
}
TopoDS_Shape TopoShape::getSubShape(TopAbs_ShapeEnum type, int idx, bool silent) const {
TopoShape s(*this);
s.Tag = 0;
return s.getSubTopoShape(type,idx,silent).getShape();
}
unsigned long TopoShape::countSubShapes(const char* Type) const
{
if(!Type)
return 0;
if(strcmp(Type,"SubShape")==0)
return countSubShapes(TopAbs_SHAPE);
auto type = shapeType(Type,true);
if(type == TopAbs_SHAPE)
return 0;
return countSubShapes(type);
}
unsigned long TopoShape::countSubShapes(TopAbs_ShapeEnum Type) const
{
if(Type == TopAbs_SHAPE) {
int count = 0;
for(TopoDS_Iterator it(_Shape);it.More();it.Next())
++count;
return count;
}
TopTools_IndexedMapOfShape anIndices;
TopExp::MapShapes(this->_Shape, Type, anIndices);
return anIndices.Extent();
}
bool TopoShape::hasSubShape(TopAbs_ShapeEnum type) const {
if(type == TopAbs_SHAPE) {
TopoDS_Iterator it(_Shape);
return !!it.More();
}
TopExp_Explorer exp(_Shape,type);
return !!exp.More();
}
bool TopoShape::hasSubShape(const char *Type) const {
auto idx = shapeTypeAndIndex(Type);
return idx.second>0 && idx.second<=(int)countSubShapes(idx.first);
}
template<class T>
static inline std::vector<T> _getSubShapes(const TopoDS_Shape &s, TopAbs_ShapeEnum type) {
std::vector<T> shapes;
if(s.IsNull())
return shapes;
if(type == TopAbs_SHAPE) {
for(TopoDS_Iterator it(s);it.More();it.Next())
shapes.emplace_back(it.Value());
return shapes;
}
TopTools_IndexedMapOfShape anIndices;
TopExp::MapShapes(s, type, anIndices);
int count = anIndices.Extent();
shapes.reserve(count);
for(int i=1;i<=count;++i)
shapes.emplace_back(anIndices.FindKey(i));
return shapes;
}
static std::array<std::string,TopAbs_SHAPE> _ShapeNames;
static void initShapeNameMap() {
if(_ShapeNames[TopAbs_VERTEX].empty()) {
_ShapeNames[TopAbs_VERTEX] = "Vertex";
_ShapeNames[TopAbs_EDGE] = "Edge";
_ShapeNames[TopAbs_FACE] = "Face";
_ShapeNames[TopAbs_WIRE] = "Wire";
_ShapeNames[TopAbs_SHELL] = "Shell";
_ShapeNames[TopAbs_SOLID] = "Solid";
_ShapeNames[TopAbs_COMPOUND] = "Compound";
_ShapeNames[TopAbs_COMPSOLID] = "CompSolid";
}
}
std::pair<TopAbs_ShapeEnum,int> TopoShape::shapeTypeAndIndex(const char *name) {
int idx = 0;
TopAbs_ShapeEnum type = TopAbs_SHAPE;
static const std::string _subshape("SubShape");
if(boost::starts_with(name,_subshape)) {
std::istringstream iss(name+_subshape.size());
iss >> idx;
if(!iss.eof())
idx = 0;
} else {
type = shapeType(name,true);
if(type != TopAbs_SHAPE) {
std::istringstream iss(name+shapeName(type).size());
iss >> idx;
if(!iss.eof()) {
idx = 0;
type = TopAbs_SHAPE;
}
}
}
return std::make_pair(type,idx);
}
std::pair<TopAbs_ShapeEnum, int> TopoShape::shapeTypeAndIndex(const Data::IndexedName& element)
{
if (!element) {
return std::make_pair(TopAbs_SHAPE, 0);
}
static const std::string _subshape("SubShape");
if (boost::equals(element.getType(), _subshape)) {
return std::make_pair(TopAbs_SHAPE, element.getIndex());
}
TopAbs_ShapeEnum shapetype = shapeType(element.getType(), true);
if (shapetype == TopAbs_SHAPE) {
return std::make_pair(TopAbs_SHAPE, 0);
}
return std::make_pair(shapetype, element.getIndex());
}
TopAbs_ShapeEnum TopoShape::shapeType(const char *type, bool silent) {
if(type) {
initShapeNameMap();
for(size_t idx=0;idx<_ShapeNames.size();++idx) {
if(!_ShapeNames[idx].empty() && boost::starts_with(type,_ShapeNames[idx]))
return static_cast<TopAbs_ShapeEnum>(idx);
}
}
if(!silent) {
if(Data::hasMissingElement(type))
FC_THROWM(Base::CADKernelError,"missing shape element: " << (type?type:"?"));
FC_THROWM(Base::CADKernelError,"invalid shape type: " << (type?type:"?"));
}
return TopAbs_SHAPE;
}
TopAbs_ShapeEnum TopoShape::shapeType(char type, bool silent) {
switch(type) {
case 'E':
return TopAbs_EDGE;
case 'V':
return TopAbs_VERTEX;
case 'F':
return TopAbs_FACE;
default:
if(!silent)
FC_THROWM(Base::CADKernelError, "invalid shape type '" << type << "'");
return TopAbs_SHAPE;
}
}
TopAbs_ShapeEnum TopoShape::shapeType(bool silent) const {
if(isNull()) {
if(!silent)
FC_THROWM(NullShapeException, "Input shape is null");
return TopAbs_SHAPE;
}
return getShape().ShapeType();
}
const std::string &TopoShape::shapeName(TopAbs_ShapeEnum type, bool silent) {
initShapeNameMap();
if(type>=0 && type<_ShapeNames.size() && !_ShapeNames[type].empty())
return _ShapeNames[type];
if(!silent)
FC_THROWM(Base::CADKernelError, "invalid shape type '" << type << "'");
static std::string ret;
return ret;
}
const std::string &TopoShape::shapeName(bool silent) const {
return shapeName(shapeType(silent),silent);
}
PyObject * TopoShape::getPySubShape(const char* Type, bool silent) const
{
return Py::new_reference_to(shape2pyshape(getSubShape(Type,silent)));
}
PyObject * TopoShape::getPyObject()
{
Base::PyObjectBase* prop = nullptr;
if (_Shape.IsNull()) {
prop = new TopoShapePy(new TopoShape(*this));
}
else {
TopAbs_ShapeEnum type = _Shape.ShapeType();
switch (type)
{
case TopAbs_COMPOUND:
prop = new TopoShapeCompoundPy(new TopoShape(*this));
break;
case TopAbs_COMPSOLID:
prop = new TopoShapeCompSolidPy(new TopoShape(*this));
break;
case TopAbs_SOLID:
prop = new TopoShapeSolidPy(new TopoShape(*this));
break;
case TopAbs_SHELL:
prop = new TopoShapeShellPy(new TopoShape(*this));
break;
case TopAbs_FACE:
prop = new TopoShapeFacePy(new TopoShape(*this));
break;
case TopAbs_WIRE:
prop = new TopoShapeWirePy(new TopoShape(*this));
break;
case TopAbs_EDGE:
prop = new TopoShapeEdgePy(new TopoShape(*this));
break;
case TopAbs_VERTEX:
prop = new TopoShapeVertexPy(new TopoShape(*this));
break;
case TopAbs_SHAPE:
default:
prop = new TopoShapePy(new TopoShape(*this));
break;
}
}
prop->setNotTracking(); // TODO: Does this still belong here?
return prop;
}
void TopoShape::setPyObject(PyObject* obj)
{
if (PyObject_TypeCheck(obj, &TopoShapePy::Type)) {
this->_Shape = static_cast<TopoShapePy*>(obj)->getTopoShapePtr()->getShape();
}
else {
std::string error = std::string("type must be 'Shape', not ");
error += obj->ob_type->tp_name;
throw Base::TypeError(error);
}
}
//void TopoShape::operator = (const TopoShape& sh)
//{
// if (this != &sh) {
// this->Tag = sh.Tag;
// this->_Shape = sh._Shape;
// }
//}
void TopoShape::convertTogpTrsf(const Base::Matrix4D& mtrx, gp_Trsf& trsf)
{
trsf.SetValues(mtrx[0][0],mtrx[0][1],mtrx[0][2],mtrx[0][3],
mtrx[1][0],mtrx[1][1],mtrx[1][2],mtrx[1][3],
mtrx[2][0],mtrx[2][1],mtrx[2][2],mtrx[2][3]);
}
void TopoShape::convertToMatrix(const gp_Trsf& trsf, Base::Matrix4D& mtrx)
{
// https://www.opencascade.com/doc/occt-7.0.0/refman/html/classgp___trsf.html
// VectorialPart() already includes the scale factor
gp_Mat m = trsf.VectorialPart();
gp_XYZ p = trsf.TranslationPart();
// set Rotation matrix
mtrx[0][0] = m(1,1);
mtrx[0][1] = m(1,2);
mtrx[0][2] = m(1,3);
mtrx[1][0] = m(2,1);
mtrx[1][1] = m(2,2);
mtrx[1][2] = m(2,3);
mtrx[2][0] = m(3,1);
mtrx[2][1] = m(3,2);
mtrx[2][2] = m(3,3);
// set pos vector
mtrx[0][3] = p.X();
mtrx[1][3] = p.Y();
mtrx[2][3] = p.Z();
}
Base::Matrix4D TopoShape::convert(const gp_Trsf& trsf) {
Base::Matrix4D mat;
convertToMatrix(trsf,mat);
return mat;
}
gp_Trsf TopoShape::convert(const Base::Matrix4D& mtrx) {
gp_Trsf trsf;
convertTogpTrsf(mtrx,trsf);
return trsf;
}
void TopoShape::setTransform(const Base::Matrix4D& rclTrf)
{
gp_Trsf mov;
convertTogpTrsf(rclTrf, mov);
TopLoc_Location loc(mov);
_Shape.Location(loc);
}
Base::Matrix4D TopoShape::getTransform() const
{
Base::Matrix4D mtrx;
gp_Trsf Trf = _Shape.Location().Transformation();
convertToMatrix(Trf, mtrx);
return mtrx;
}
void TopoShape::read(const char *FileName)
{
Base::FileInfo File(FileName);
// checking on the file
if (!File.isReadable())
throw Base::FileException("File to load not existing or not readable", FileName);
if (File.hasExtension({"igs", "iges"})) {
// read iges file
importIges(File.filePath().c_str());
}
else if (File.hasExtension({"stp", "step"})) {
importStep(File.filePath().c_str());
}
else if (File.hasExtension({"brp", "brep"})) {
// read brep-file
importBrep(File.filePath().c_str());
}
else{
throw Base::FileException("Unknown extension");
}
}
/*!
Example code to get the labels for each face in an IGES file.
\code
#include <XSControl_WorkSession.hxx>
#include <XSControl_TransferReader.hxx>
#include <IGESData_IGESModel.hxx>
#include <IGESData_IGESEntity.hxx>
IGESControl_Reader aReader;
...
// Gets the labels of all face items if defined in the IGES file
Handle(XSControl_WorkSession) ws = aReader.WS();
Handle(XSControl_TransferReader) tr = ws->TransferReader();
std::string name;
Handle(IGESData_IGESModel) aModel = aReader.IGESModel();
Standard_Integer all = aModel->NbEntities();
TopExp_Explorer ex;
for (ex.Init(this->_Shape, TopAbs_FACE); ex.More(); ex.Next())
{
const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
Handle(Standard_Transient) ent = tr->EntityFromShapeResult(aFace, 1);
if (!ent.IsNull()) {
int i = aModel->Number(ent);
if (i > 0) {
Handle(IGESData_IGESEntity) ie = aModel->Entity(i);
if (ie->HasShortLabel())
name = ie->ShortLabel()->ToCString();
}
}
}
\endcode
*/
void TopoShape::importIges(const char *FileName)
{
try {
// read iges file
IGESControl_Controller::Init();
IGESControl_Reader aReader;
// Ignore construction elements
// http://www.opencascade.org/org/forum/thread_20603/?forum=3
aReader.SetReadVisible(Standard_True);
if (aReader.ReadFile(encodeFilename(FileName).c_str()) != IFSelect_RetDone)
throw Base::FileException("Error in reading IGES");
#if OCC_VERSION_HEX < 0x070500
Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
pi->NewScope(100, "Reading IGES file...");
pi->Show();
aReader.WS()->MapReader()->SetProgress(pi);
#endif
// make brep
aReader.ClearShapes();
aReader.TransferRoots();
// one shape that contains all subshapes
this->_Shape = aReader.OneShape();
#if OCC_VERSION_HEX < 0x070500
pi->EndScope();
#endif
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
}
void TopoShape::importStep(const char *FileName)
{
try {
STEPControl_Reader aReader;
if (aReader.ReadFile(encodeFilename(FileName).c_str()) != IFSelect_RetDone)
throw Base::FileException("Error in reading STEP");
#if OCC_VERSION_HEX < 0x070500
Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
aReader.WS()->MapReader()->SetProgress(pi);
pi->NewScope(100, "Reading STEP file...");
pi->Show();
#endif
// Root transfers
aReader.TransferRoots();
// one shape that contains all subshapes
this->_Shape = aReader.OneShape();
#if OCC_VERSION_HEX < 0x070500
pi->EndScope();
#endif
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
}
void TopoShape::importBrep(const char *FileName)
{
try {
// read brep-file
BRep_Builder aBuilder;
TopoDS_Shape aShape;
#if OCC_VERSION_HEX < 0x070500
Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
pi->NewScope(100, "Reading BREP file...");
pi->Show();
BRepTools::Read(aShape,encodeFilename(FileName).c_str(),aBuilder,pi);
pi->EndScope();
#else
BRepTools::Read(aShape,static_cast<Standard_CString>(FileName),aBuilder);
#endif
this->_Shape = aShape;
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
}
void TopoShape::importBrep(std::istream& str, int indicator)
{
try {
// read brep-file
BRep_Builder aBuilder;
TopoDS_Shape aShape;
#if OCC_VERSION_HEX < 0x070500
if (indicator) {
Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
pi->NewScope(100, "Reading BREP file...");
pi->Show();
BRepTools::Read(aShape,str,aBuilder,pi);
pi->EndScope();
}
else {
BRepTools::Read(aShape,str,aBuilder);
}
#else
(void)indicator;
BRepTools::Read(aShape,str,aBuilder);
#endif
this->_Shape = aShape;
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
catch (const std::exception& e) {
throw Base::CADKernelError(e.what());
}
}
void TopoShape::importBinary(std::istream& str)
{
BinTools_ShapeSet theShapeSet;
theShapeSet.Read(str);
Standard_Integer shapeId=0, locId=0, orient=0;
BinTools::GetInteger(str, shapeId);
if (shapeId <= 0 || shapeId > theShapeSet.NbShapes())
return;
BinTools::GetInteger(str, locId);
BinTools::GetInteger(str, orient);
TopAbs_Orientation anOrient = static_cast<TopAbs_Orientation>(orient);
try {
this->_Shape = theShapeSet.Shape(shapeId);
this->_Shape.Location(theShapeSet.Locations().Location (locId));
this->_Shape.Orientation (anOrient);
}
catch (Standard_Failure&) {
throw Base::RuntimeError("Failed to read shape from binary stream");
}
}
void TopoShape::write(const char *FileName) const
{
Base::FileInfo File(FileName);
if (File.hasExtension({"igs", "iges"})) {
// write iges file
exportIges(File.filePath().c_str());
}
else if (File.hasExtension({"stp", "step"})) {
exportStep(File.filePath().c_str());
}
else if (File.hasExtension({"brp", "brep"})) {
// read brep-file
exportBrep(File.filePath().c_str());
}
else if (File.hasExtension("stl")) {
// read brep-file
exportStl(File.filePath().c_str(), 0.01);
}
else{
throw Base::FileException("Unknown extension");
}
}
void TopoShape::exportIges(const char *filename) const
{
try {
// write iges file
IGESControl_Controller::Init();
IGESControl_Writer aWriter;
IGESData_GlobalSection header = aWriter.Model()->GlobalSection();
header.SetAuthorName(new TCollection_HAsciiString(Interface::writeIgesHeaderAuthor()));
header.SetCompanyName(new TCollection_HAsciiString(Interface::writeIgesHeaderCompany()));
header.SetSendName(new TCollection_HAsciiString(Interface::writeIgesHeaderProduct()));
aWriter.Model()->SetGlobalSection(header);
aWriter.AddShape(this->_Shape);
aWriter.ComputeModel();
if (aWriter.Write(encodeFilename(filename).c_str()) != IFSelect_RetDone)
throw Base::FileException("Writing of IGES failed");
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
}
void TopoShape::exportStep(const char *filename) const
{
try {
// Fixes issue #6282
// Do not write out any assembly information when using the simplified STEP export
Interface::writeStepAssembly(Interface::Assembly::Off);
// write step file
STEPControl_Writer aWriter;
const Handle(XSControl_TransferWriter)& hTransferWriter = aWriter.WS()->TransferWriter();
Handle(Transfer_FinderProcess) hFinder = hTransferWriter->FinderProcess();
#if OCC_VERSION_HEX < 0x070500
Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
hFinder->SetProgress(pi);
pi->NewScope(100, "Writing STEP file...");
pi->Show();
#endif
if (aWriter.Transfer(this->_Shape, STEPControl_AsIs) != IFSelect_RetDone)
throw Base::FileException("Error in transferring STEP");
APIHeaderSection_MakeHeader makeHeader(aWriter.Model());
// Don't set name because STEP doesn't support UTF-8
// https://forum.freecad.org/viewtopic.php?f=8&t=52967
makeHeader.SetAuthorValue (1, new TCollection_HAsciiString("FreeCAD"));
makeHeader.SetOrganizationValue (1, new TCollection_HAsciiString("FreeCAD"));
makeHeader.SetOriginatingSystem(new TCollection_HAsciiString("FreeCAD"));
makeHeader.SetDescriptionValue(1, new TCollection_HAsciiString("FreeCAD Model"));
if (aWriter.Write(encodeFilename(filename).c_str()) != IFSelect_RetDone)
throw Base::FileException("Writing of STEP failed");
#if OCC_VERSION_HEX < 0x070500
pi->EndScope();
#endif
}
catch (Standard_Failure& e) {
throw Base::CADKernelError(e.GetMessageString());
}
}
void TopoShape::exportBrep(const char *filename) const
{
#if OCC_VERSION_HEX >= 0x070600
if (!BRepTools::Write(this->_Shape,encodeFilename(filename).c_str(), Standard_False, Standard_False, TopTools_FormatVersion_VERSION_1))
throw Base::FileException("Writing of BREP failed");
#else
if (!BRepTools::Write(this->_Shape,encodeFilename(filename).c_str()))
throw Base::FileException("Writing of BREP failed");
#endif
}
void TopoShape::exportBrep(std::ostream& out) const
{
// See TopTools_FormatVersion of OCCT 7.6
enum {
VERSION_1 = 1,
VERSION_2 = 2,
VERSION_3 = 3
};
BRepTools_ShapeSet SS(Standard_False);
SS.SetFormatNb(VERSION_1);
SS.Add(this->_Shape);
SS.Write(out);
SS.Write(this->_Shape, out);
}
void TopoShape::exportBinary(std::ostream& out) const
{
// See BinTools_FormatVersion of OCCT 7.6
enum {
VERSION_1 = 1,
VERSION_2 = 2,
VERSION_3 = 3,
VERSION_4 = 4
};
// An example how to use BinTools_ShapeSet can be found in BinMNaming_NamedShapeDriver.cxx
BinTools_ShapeSet theShapeSet;
theShapeSet.SetFormatNb(VERSION_3);
if (this->_Shape.IsNull()) {
theShapeSet.Add(this->_Shape);
theShapeSet.Write(out);
BinTools::PutInteger(out, -1);
BinTools::PutInteger(out, -1);
BinTools::PutInteger(out, -1);
}
else {
Standard_Integer shapeId = theShapeSet.Add(this->_Shape);
Standard_Integer locId = theShapeSet.Locations().Index(this->_Shape.Location());
Standard_Integer orient = static_cast<int>(this->_Shape.Orientation());
theShapeSet.Write(out);
BinTools::PutInteger(out, shapeId);
BinTools::PutInteger(out, locId);
BinTools::PutInteger(out, orient);
}
}
void TopoShape::dump(std::ostream& out) const
{
BRepTools::Dump(this->_Shape, out);
}
void TopoShape::exportStl(const char *filename, double deflection) const
{
StlAPI_Writer writer;
BRepMesh_IncrementalMesh aMesh(this->_Shape, deflection,