231 lines
9.2 KiB
C++
231 lines
9.2 KiB
C++
/***************************************************************************
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* Copyright (c) 2008 Jürgen Riegel <juergen.riegel@web.de> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <fcntl.h>
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# include <sstream>
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# include <BRep_Builder.hxx>
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# include <Quantity_Color.hxx>
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# include <STEPControl_Reader.hxx>
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# include <StepData_StepModel.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Shape.hxx>
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# include <TopoDS_Shell.hxx>
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# include <TopoDS_Solid.hxx>
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# include <TopoDS_Compound.hxx>
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# include <TopExp_Explorer.hxx>
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# include <Standard_Version.hxx>
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# include <Transfer_TransientProcess.hxx>
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# include <XSControl_TransferReader.hxx>
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# include <XSControl_WorkSession.hxx>
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#endif
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#include <StepElement_AnalysisItemWithinRepresentation.hxx>
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#include <StepVisual_AnnotationCurveOccurrence.hxx>
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#include <App/Document.h>
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#include <Base/Console.h>
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#include "ImportStep.h"
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#include "encodeFilename.h"
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#include "PartFeature.h"
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#include "ProgressIndicator.h"
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using namespace Part;
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namespace Part {
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bool ReadColors (const Handle(XSControl_WorkSession) &WS, std::map<int, Quantity_Color>& hash_col);
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bool ReadNames (const Handle(XSControl_WorkSession) &WS);
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}
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int Part::ImportStepParts(App::Document *pcDoc, const char* Name)
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{
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// Use this to force to link against TKSTEPBase, TKSTEPAttr and TKStep209
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// in order to make RUNPATH working on Linux
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StepElement_AnalysisItemWithinRepresentation stepElement;
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StepVisual_AnnotationCurveOccurrence stepVis;
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STEPControl_Reader aReader;
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TopoDS_Shape aShape;
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Base::FileInfo fi(Name);
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if (!fi.exists()) {
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std::stringstream str;
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str << "File '" << Name << "' does not exist!";
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throw Base::FileException(str.str().c_str());
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}
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std::string encodednamestr = encodeFilename(std::string(Name));
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const char * encodedname = encodednamestr.c_str();
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if (aReader.ReadFile((Standard_CString)encodedname) !=
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IFSelect_RetDone) {
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throw Base::FileException("Cannot open STEP file");
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}
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#if OCC_VERSION_HEX < 0x070500
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Handle(Message_ProgressIndicator) pi = new ProgressIndicator(100);
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aReader.WS()->MapReader()->SetProgress(pi);
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pi->NewScope(100, "Reading STEP file...");
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pi->Show();
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#endif
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// Root transfers
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Standard_Integer nbr = aReader.NbRootsForTransfer();
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//aReader.PrintCheckTransfer (failsonly, IFSelect_ItemsByEntity);
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for (Standard_Integer n = 1; n<= nbr; n++) {
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Base::Console().Log("STEP: Transferring Root %d\n",n);
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aReader.TransferRoot(n);
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}
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#if OCC_VERSION_HEX < 0x070500
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pi->EndScope();
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#endif
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// Collecting resulting entities
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Standard_Integer nbs = aReader.NbShapes();
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if (nbs == 0) {
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throw Base::FileException("No shapes found in file ");
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}
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else {
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//Handle(StepData_StepModel) Model = aReader.StepModel();
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//Handle(XSControl_WorkSession) ws = aReader.WS();
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//Handle(XSControl_TransferReader) tr = ws->TransferReader();
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std::map<int, Quantity_Color> hash_col;
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//ReadColors(aReader.WS(), hash_col);
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//ReadNames(aReader.WS());
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for (Standard_Integer i=1; i<=nbs; i++) {
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Base::Console().Log("STEP: Transferring Shape %d\n",i);
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aShape = aReader.Shape(i);
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// load each solid as an own object
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TopExp_Explorer ex;
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for (ex.Init(aShape, TopAbs_SOLID); ex.More(); ex.Next())
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{
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// get the shape
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const TopoDS_Solid& aSolid = TopoDS::Solid(ex.Current());
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std::string name = fi.fileNamePure();
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//Handle(Standard_Transient) ent = tr->EntityFromShapeResult(aSolid, 3);
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//if (!ent.IsNull()) {
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// name += ws->Model()->StringLabel(ent)->ToCString();
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//}
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Part::Feature *pcFeature;
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pcFeature = static_cast<Part::Feature*>(pcDoc->addObject("Part::Feature", name.c_str()));
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pcFeature->Shape.setValue(aSolid);
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// This is a trick to access the GUI via Python and set the color property
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// of the associated view provider. If no GUI is up an exception is thrown
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// and cleared immediately
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std::map<int, Quantity_Color>::iterator it = hash_col.find(aSolid.HashCode(INT_MAX));
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if (it != hash_col.end()) {
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try {
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Py::Object obj(pcFeature->getPyObject(), true);
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Py::Object vp(obj.getAttr("ViewObject"));
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Py::Tuple col(3);
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col.setItem(0, Py::Float(it->second.Red()));
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col.setItem(1, Py::Float(it->second.Green()));
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col.setItem(2, Py::Float(it->second.Blue()));
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vp.setAttr("ShapeColor", col);
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//Base::Console().Message("Set color to shape\n");
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}
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catch (Py::Exception& e) {
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e.clear();
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}
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}
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}
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// load all non-solids now
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for (ex.Init(aShape, TopAbs_SHELL, TopAbs_SOLID); ex.More(); ex.Next())
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{
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// get the shape
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const TopoDS_Shell& aShell = TopoDS::Shell(ex.Current());
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std::string name = fi.fileNamePure();
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//Handle(Standard_Transient) ent = tr->EntityFromShapeResult(aShell, 3);
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//if (!ent.IsNull()) {
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// name += ws->Model()->StringLabel(ent)->ToCString();
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//}
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Part::Feature *pcFeature = static_cast<Part::Feature*>(pcDoc->addObject("Part::Feature", name.c_str()));
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pcFeature->Shape.setValue(aShell);
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}
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// put all other free-flying shapes into a single compound
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Standard_Boolean emptyComp = Standard_True;
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BRep_Builder builder;
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TopoDS_Compound comp;
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builder.MakeCompound(comp);
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for (ex.Init(aShape, TopAbs_FACE, TopAbs_SHELL); ex.More(); ex.Next()) {
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if (!ex.Current().IsNull()) {
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builder.Add(comp, ex.Current());
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emptyComp = Standard_False;
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}
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}
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for (ex.Init(aShape, TopAbs_WIRE, TopAbs_FACE); ex.More(); ex.Next()) {
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if (!ex.Current().IsNull()) {
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builder.Add(comp, ex.Current());
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emptyComp = Standard_False;
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}
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}
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for (ex.Init(aShape, TopAbs_EDGE, TopAbs_WIRE); ex.More(); ex.Next()) {
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if (!ex.Current().IsNull()) {
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builder.Add(comp, ex.Current());
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emptyComp = Standard_False;
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}
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}
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for (ex.Init(aShape, TopAbs_VERTEX, TopAbs_EDGE); ex.More(); ex.Next()) {
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if (!ex.Current().IsNull()) {
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builder.Add(comp, ex.Current());
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emptyComp = Standard_False;
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}
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}
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if (!emptyComp) {
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std::string name = fi.fileNamePure();
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Part::Feature *pcFeature = static_cast<Part::Feature*>(pcDoc->addObject
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("Part::Feature", name.c_str()));
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pcFeature->Shape.setValue(comp);
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}
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}
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}
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return 0;
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}
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bool Part::ReadColors (const Handle(XSControl_WorkSession) &WS, std::map<int, Quantity_Color>& hash_col)
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{
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(void)WS;
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(void)hash_col;
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return Standard_False;
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}
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bool Part::ReadNames (const Handle(XSControl_WorkSession) &WS)
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{
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(void)WS;
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return Standard_False;
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}
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