697 lines
25 KiB
C++
697 lines
25 KiB
C++
/***************************************************************************
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* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
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* Copyright (c) Luke Parry (l.parry@warwick.ac.uk) 2013 *
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* Copyright (c) WandererFan (wandererfan@gmail.com) 2016 *
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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 <sstream>
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#include <BRep_Tool.hxx>
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#include <BRepGProp.hxx>
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#include <BRepAdaptor_Curve.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRepBuilderAPI_MakeWire.hxx>
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#include <BRepLProp_CurveTool.hxx>
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#include <BRepLProp_CLProps.hxx>
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#include <BRepExtrema_DistShapeShape.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepBndLib.hxx>
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#include <Bnd_Box.hxx>
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#include <Geom_Curve.hxx>
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#include <GProp_GProps.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pln.hxx>
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#include <gp_XYZ.hxx>
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#include <HLRBRep_Algo.hxx>
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#include <HLRAlgo_Projector.hxx>
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#include <HLRBRep_ShapeBounds.hxx>
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#include <HLRBRep_HLRToShape.hxx>
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#include <ShapeFix_ShapeTolerance.hxx>
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#include <ShapeExtend_WireData.hxx>
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#include <ShapeFix_Wire.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#endif
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#include <algorithm>
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#include <Base/BoundBox.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/FileInfo.h>
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#include <Mod/Part/App/PartFeature.h>
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#include "DrawUtil.h"
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#include "DrawViewSection.h"
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#include "Geometry.h"
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#include "GeometryObject.h"
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#include "DrawViewPart.h"
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#include "DrawHatch.h"
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#include "EdgeWalker.h"
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#include <Mod/TechDraw/App/DrawViewPartPy.h> // generated from DrawViewPartPy.xml
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using namespace TechDraw;
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using namespace std;
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//===========================================================================
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// DrawViewPart
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//===========================================================================
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App::PropertyFloatConstraint::Constraints DrawViewPart::floatRange = {0.01f,5.0f,0.05f};
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PROPERTY_SOURCE(TechDraw::DrawViewPart, TechDraw::DrawView)
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DrawViewPart::DrawViewPart(void) : geometryObject(0)
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{
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static const char *group = "Projection";
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static const char *fgroup = "Format";
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static const char *lgroup = "SectionLine";
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//properties that affect Geometry
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ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"3D Shape to view");
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ADD_PROPERTY_TYPE(Direction ,(0,0,1.0) ,group,App::Prop_None,"Projection direction. The direction you are looking from.");
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ADD_PROPERTY_TYPE(XAxisDirection ,(1,0,0) ,group,App::Prop_None,"Where to place projection's XAxis (rotation)");
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ADD_PROPERTY_TYPE(Tolerance,(0.05f),group,App::Prop_None,"Internal tolerance for calculations");
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Tolerance.setConstraints(&floatRange);
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//properties that affect Appearance
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ADD_PROPERTY_TYPE(ShowHiddenLines ,(false),fgroup,App::Prop_None,"Hidden lines on/off");
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ADD_PROPERTY_TYPE(ShowSmoothLines ,(false),fgroup,App::Prop_None,"Smooth lines on/off");
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ADD_PROPERTY_TYPE(ShowSeamLines ,(false),fgroup,App::Prop_None,"Seam lines on/off");
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//ADD_PROPERTY_TYPE(ShowIsoLines ,(false),group,App::Prop_None,"Iso u,v lines on/off");
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ADD_PROPERTY_TYPE(LineWidth,(0.7f),fgroup,App::Prop_None,"The thickness of visible lines");
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ADD_PROPERTY_TYPE(HiddenWidth,(0.15),fgroup,App::Prop_None,"The thickness of hidden lines, if enabled");
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ADD_PROPERTY_TYPE(ShowCenters ,(true),fgroup,App::Prop_None,"Center marks on/off");
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ADD_PROPERTY_TYPE(CenterScale,(2.0),fgroup,App::Prop_None,"Center mark size adjustment, if enabled");
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ADD_PROPERTY_TYPE(HorizCenterLine ,(false),fgroup,App::Prop_None,"Show a horizontal centerline through view");
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ADD_PROPERTY_TYPE(VertCenterLine ,(false),fgroup,App::Prop_None,"Show a vertical centerline through view");
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//properties that affect Section Line
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ADD_PROPERTY_TYPE(ShowSectionLine ,(true) ,lgroup,App::Prop_None,"Show/hide section line if applicable");
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ADD_PROPERTY_TYPE(HorizSectionLine ,(true) ,lgroup,App::Prop_None,"Section line is horizontal");
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ADD_PROPERTY_TYPE(ArrowUpSection ,(false) ,lgroup,App::Prop_None,"Section line arrows point up");
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ADD_PROPERTY_TYPE(SymbolSection,("A") ,lgroup,App::Prop_None,"Section identifier");
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geometryObject = new TechDrawGeometry::GeometryObject();
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}
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DrawViewPart::~DrawViewPart()
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{
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delete geometryObject;
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}
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App::DocumentObjectExecReturn *DrawViewPart::execute(void)
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{
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App::DocumentObject *link = Source.getValue();
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if (!link) {
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return new App::DocumentObjectExecReturn("FVP - No Source object linked");
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}
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if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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return new App::DocumentObjectExecReturn("FVP - Linked object is not a Part object");
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}
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TopoDS_Shape shape = static_cast<Part::Feature*>(link)->Shape.getShape().getShape();
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if (shape.IsNull()) {
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return new App::DocumentObjectExecReturn("FVP - Linked shape object is empty");
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}
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geometryObject->setTolerance(Tolerance.getValue());
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double s = Scale.getValue();
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if (!s) { //might be problem, might be mid property change
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Base::Console().Log("INFO - DVP::execute - Scale: %.3f\n",s);
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return DrawView::execute();
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}
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geometryObject->setScale(s);
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//TODO: remove these try/catch block when code is stable
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gp_Pnt inputCenter;
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try {
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inputCenter = TechDrawGeometry::findCentroid(shape,
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Direction.getValue(),
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getValidXDir());
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shapeCentroid = Base::Vector3d(inputCenter.X(),inputCenter.Y(),inputCenter.Z());
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e1 = Standard_Failure::Caught();
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Base::Console().Log("LOG - DVP::execute - findCentroid failed for %s - %s **\n",getNameInDocument(),e1->GetMessageString());
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return new App::DocumentObjectExecReturn(e1->GetMessageString());
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}
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TopoDS_Shape mirroredShape;
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try {
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mirroredShape = TechDrawGeometry::mirrorShape(shape,
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inputCenter,
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Scale.getValue());
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e2 = Standard_Failure::Caught();
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Base::Console().Log("LOG - DVP::execute - mirrorShape failed for %s - %s **\n",getNameInDocument(),e2->GetMessageString());
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return new App::DocumentObjectExecReturn(e2->GetMessageString());
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}
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try {
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buildGeometryObject(mirroredShape,inputCenter);
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e3 = Standard_Failure::Caught();
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Base::Console().Log("LOG - DVP::execute - buildGeometryObject failed for %s - %s **\n",getNameInDocument(),e3->GetMessageString());
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return new App::DocumentObjectExecReturn(e3->GetMessageString());
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}
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#if MOD_TECHDRAW_HANDLE_FACES
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try {
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extractFaces();
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e4 = Standard_Failure::Caught();
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Base::Console().Log("LOG - DVP::execute - extractFaces failed for %s - %s **\n",getNameInDocument(),e4->GetMessageString());
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return new App::DocumentObjectExecReturn(e4->GetMessageString());
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}
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#endif //#if MOD_TECHDRAW_HANDLE_FACES
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//TODO: not sure about this
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// There is a guaranteed change so check any references linked to this and touch
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// We need to update all views pointing at this (ProjectionGroup, ClipGroup, Section, etc)
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// std::vector<App::DocumentObject*> parent = getInList();
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// for (std::vector<App::DocumentObject*>::iterator it = parent.begin(); it != parent.end(); ++it) {
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// if ((*it)->getTypeId().isDerivedFrom(DrawView::getClassTypeId())) {
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// TechDraw::DrawView *view = static_cast<TechDraw::DrawView *>(*it);
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// view->touch();
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// }
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// }
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return DrawView::execute();
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}
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short DrawViewPart::mustExecute() const
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{
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short result = 0;
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if (!isRestoring()) {
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result = (Direction.isTouched() ||
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XAxisDirection.isTouched() ||
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Source.isTouched() ||
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Scale.isTouched() ||
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ScaleType.isTouched() ||
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Tolerance.isTouched() ||
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ShowHiddenLines.isTouched() ||
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ShowSmoothLines.isTouched() ||
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ShowSeamLines.isTouched() );
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}
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if (result) {
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return result;
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}
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return TechDraw::DrawView::mustExecute();
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}
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void DrawViewPart::onChanged(const App::Property* prop)
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{
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if (!isRestoring()) {
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if (prop == &SymbolSection && getSectionRef()) {
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getSectionRef()->touch();
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}
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if (prop == &Direction ||
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prop == &XAxisDirection ||
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prop == &Source ||
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prop == &Scale ||
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prop == &ScaleType ||
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prop == &ShowHiddenLines ||
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prop == &ShowSmoothLines ||
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prop == &ShowSeamLines)
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try {
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App::DocumentObjectExecReturn *ret = recompute();
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delete ret;
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}
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catch (...) {
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}
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}
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DrawView::onChanged(prop);
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//TODO: when scale changes, any Dimensions for this View sb recalculated. (might happen anyway if document is recomputed?)
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}
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void DrawViewPart::buildGeometryObject(TopoDS_Shape shape, gp_Pnt& inputCenter)
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{
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Base::Vector3d baseProjDir = Direction.getValue();
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Base::Vector3d validXDir = getValidXDir();
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saveParamSpace(baseProjDir,
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validXDir);
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geometryObject->projectShape(shape,
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inputCenter,
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Direction.getValue(),
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validXDir);
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//TODO: why not be all line type in 1 call to extract geometry
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geometryObject->extractGeometry(TechDrawGeometry::ecHARD,
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true);
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geometryObject->extractGeometry(TechDrawGeometry::ecOUTLINE,
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true);
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//if (ShowSmoothLines.getValue()) {
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geometryObject->extractGeometry(TechDrawGeometry::ecSMOOTH,
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true);
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//}
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//if (ShowSeamLines.getValue()) {
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geometryObject->extractGeometry(TechDrawGeometry::ecSEAM,
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true);
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//}
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//if (ShowIsoLines.getValue()) {
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// geometryObject->extractGeometry(TechDrawGeometry::ecUVISO,
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// true);
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//}
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//if (ShowHiddenLines.getValue()) {
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geometryObject->extractGeometry(TechDrawGeometry::ecHARD,
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false);
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//geometryObject->extractGeometry(TechDrawGeometry::ecOUTLINE, //hidden outline,smooth,seam??
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// true);
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//}
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bbox = geometryObject->calcBoundingBox();
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}
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//! make faces from the existing edge geometry
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void DrawViewPart::extractFaces()
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{
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geometryObject->clearFaceGeom();
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const std::vector<TechDrawGeometry::BaseGeom*>& goEdges = geometryObject->getEdgeGeometry();
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std::vector<TechDrawGeometry::BaseGeom*>::const_iterator itEdge = goEdges.begin();
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std::vector<TopoDS_Edge> origEdges;
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for (;itEdge != goEdges.end(); itEdge++) {
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if ((*itEdge)->visible) { //don't make invisible faces!
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origEdges.push_back((*itEdge)->occEdge);
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}
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}
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std::vector<TopoDS_Edge> faceEdges;
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std::vector<TopoDS_Edge> nonZero;
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for (auto& e:origEdges) { //drop any zero edges
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if (!DrawUtil::isZeroEdge(e)) {
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nonZero.push_back(e);
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}
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}
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faceEdges = nonZero;
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origEdges = nonZero;
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std::vector<TopoDS_Edge>::iterator itOrig = origEdges.begin();
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//HLR algo does not provide all edge intersections for edge endpoints.
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//need to split long edges touched by Vertex of another edge
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int idb = 0;
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for (; itOrig != origEdges.end(); itOrig++, idb++) {
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TopoDS_Vertex v1 = TopExp::FirstVertex((*itOrig));
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TopoDS_Vertex v2 = TopExp::LastVertex((*itOrig));
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if (DrawUtil::isSamePoint(v1,v2)) {
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continue; //skip zero length edges. shouldn't happen ;)
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}
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std::vector<TopoDS_Edge>::iterator itNew = faceEdges.begin();
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std::vector<size_t> deleteList;
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std::vector<TopoDS_Edge> edgesToAdd;
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int idx = 0;
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for (; itNew != faceEdges.end(); itNew++,idx++) {
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if ( itOrig->IsSame(*itNew) ){
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continue;
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}
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if (DrawUtil::isZeroEdge((*itNew))) {
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continue; //skip zero length edges. shouldn't happen ;)
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}
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bool removeThis = false;
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std::vector<TopoDS_Vertex> splitPoints;
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if (isOnEdge((*itNew),v1,false)) {
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splitPoints.push_back(v1);
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removeThis = true;
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}
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if (isOnEdge((*itNew),v2,false)) {
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splitPoints.push_back(v2);
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removeThis = true;
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}
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if (removeThis) {
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deleteList.push_back(idx);
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}
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if (!splitPoints.empty()) {
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if (!DrawUtil::isZeroEdge((*itNew))) {
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std::vector<TopoDS_Edge> subEdges = splitEdge(splitPoints,(*itNew));
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edgesToAdd.insert(std::end(edgesToAdd), std::begin(subEdges), std::end(subEdges));
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}
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}
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}
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//delete the split edge(s) and add the subedges
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//TODO: look into sets or maps or???? for all this
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std::sort(deleteList.begin(),deleteList.end()); //ascending
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auto last = std::unique(deleteList.begin(), deleteList.end()); //duplicates at back
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deleteList.erase(last, deleteList.end()); //remove dupls
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std::vector<size_t>::reverse_iterator ritDel = deleteList.rbegin();
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for ( ; ritDel != deleteList.rend(); ritDel++) {
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faceEdges.erase(faceEdges.begin() + (*ritDel));
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}
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faceEdges.insert(std::end(faceEdges), std::begin(edgesToAdd),std::end(edgesToAdd));
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}
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if (faceEdges.empty()) {
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Base::Console().Log("LOG - DVP::extractFaces - no faceEdges\n");
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return;
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}
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//find all the wires in the pile of faceEdges
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EdgeWalker ew;
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ew.loadEdges(faceEdges);
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bool success = ew.perform();
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if (!success) {
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Base::Console().Warning("DVP::extractFaces - input is not planar graph. No face detection\n");
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return;
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}
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std::vector<TopoDS_Wire> fw = ew.getResultNoDups();
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std::vector<TopoDS_Wire> sortedWires = ew.sortStrip(fw,true);
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std::vector<TopoDS_Wire>::iterator itWire = sortedWires.begin();
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for (; itWire != sortedWires.end(); itWire++) {
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//version 1: 1 wire/face - no voids in face
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TechDrawGeometry::Face* f = new TechDrawGeometry::Face();
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const TopoDS_Wire& wire = (*itWire);
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TechDrawGeometry::Wire* w = new TechDrawGeometry::Wire(wire);
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f->wires.push_back(w);
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geometryObject->addFaceGeom(f);
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}
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}
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double DrawViewPart::simpleMinDist(TopoDS_Shape s1, TopoDS_Shape s2) const
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{
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Standard_Real minDist = -1;
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BRepExtrema_DistShapeShape extss(s1, s2);
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if (!extss.IsDone()) {
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Base::Console().Message("DVP - BRepExtrema_DistShapeShape failed");
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return -1;
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}
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int count = extss.NbSolution();
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if (count != 0) {
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minDist = extss.Value();
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} else {
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minDist = -1;
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}
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return minDist;
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}
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bool DrawViewPart::isOnEdge(TopoDS_Edge e, TopoDS_Vertex v, bool allowEnds)
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{
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bool result = false;
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double dist = simpleMinDist(v,e);
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if (dist < 0.0) {
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Base::Console().Error("DVP::isOnEdge - simpleMinDist failed: %.3f\n",dist);
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result = false;
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} else if (dist < Precision::Confusion()) {
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result = true;
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}
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if (result) {
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TopoDS_Vertex v1 = TopExp::FirstVertex(e);
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TopoDS_Vertex v2 = TopExp::LastVertex(e);
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if (DrawUtil::isSamePoint(v,v1) || DrawUtil::isSamePoint(v,v2)) {
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if (!allowEnds) {
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result = false;
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}
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}
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}
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return result;
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}
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std::vector<TopoDS_Edge> DrawViewPart::splitEdge(std::vector<TopoDS_Vertex> splitPoints, TopoDS_Edge e)
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{
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std::vector<TopoDS_Edge> result;
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if (splitPoints.empty()) {
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return result;
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}
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TopoDS_Vertex vStart = TopExp::FirstVertex(e);
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TopoDS_Vertex vEnd = TopExp::LastVertex(e);
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BRepAdaptor_Curve adapt(e);
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Handle_Geom_Curve c = adapt.Curve().Curve();
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//simple version for 1 splitPoint
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//TODO: handle case where e is split in multiple points (ie circular edge cuts line twice)
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// for some reason, BRepBuilderAPI_MakeEdge sometimes fails without reporting IsDone status or error, so we use try/catch
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try {
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BRepBuilderAPI_MakeEdge mkBuilder1(c, vStart ,splitPoints[0]);
|
|
if (mkBuilder1.IsDone()) {
|
|
TopoDS_Edge e1 = mkBuilder1.Edge();
|
|
result.push_back(e1);
|
|
}
|
|
}
|
|
catch (Standard_Failure) {
|
|
Base::Console().Message("LOG - DVP::splitEdge failed building 1st edge\n");
|
|
}
|
|
|
|
try{
|
|
BRepBuilderAPI_MakeEdge mkBuilder2(c, splitPoints[0], vEnd);
|
|
if (mkBuilder2.IsDone()) {
|
|
TopoDS_Edge e2 = mkBuilder2.Edge();
|
|
result.push_back(e2);
|
|
}
|
|
}
|
|
catch (Standard_Failure) {
|
|
Base::Console().Message("LOG - DVP::splitEdge failed building 2nd edge\n");
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::vector<TechDraw::DrawHatch*> DrawViewPart::getHatches() const
|
|
{
|
|
std::vector<TechDraw::DrawHatch*> result;
|
|
std::vector<App::DocumentObject*> children = getInList();
|
|
for (std::vector<App::DocumentObject*>::iterator it = children.begin(); it != children.end(); ++it) {
|
|
if ((*it)->getTypeId().isDerivedFrom(DrawHatch::getClassTypeId())) {
|
|
TechDraw::DrawHatch* hatch = dynamic_cast<TechDraw::DrawHatch*>(*it);
|
|
result.push_back(hatch);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
const std::vector<TechDrawGeometry::Vertex *> & DrawViewPart::getVertexGeometry() const
|
|
{
|
|
return geometryObject->getVertexGeometry();
|
|
}
|
|
|
|
const std::vector<TechDrawGeometry::Face *> & DrawViewPart::getFaceGeometry() const
|
|
{
|
|
return geometryObject->getFaceGeometry();
|
|
}
|
|
|
|
const std::vector<TechDrawGeometry::BaseGeom *> & DrawViewPart::getEdgeGeometry() const
|
|
{
|
|
return geometryObject->getEdgeGeometry();
|
|
}
|
|
|
|
//! returns existing BaseGeom of 2D Edge(idx)
|
|
TechDrawGeometry::BaseGeom* DrawViewPart::getProjEdgeByIndex(int idx) const
|
|
{
|
|
const std::vector<TechDrawGeometry::BaseGeom *> &geoms = getEdgeGeometry();
|
|
if (geoms.empty()) {
|
|
Base::Console().Log("INFO - getProjEdgeByIndex(%d) - no Edge Geometry. Probably restoring?\n",idx);
|
|
return NULL;
|
|
}
|
|
return geoms[idx];
|
|
}
|
|
|
|
//! returns existing geometry of 2D Vertex(idx)
|
|
TechDrawGeometry::Vertex* DrawViewPart::getProjVertexByIndex(int idx) const
|
|
{
|
|
const std::vector<TechDrawGeometry::Vertex *> &geoms = getVertexGeometry();
|
|
if (geoms.empty()) {
|
|
Base::Console().Log("INFO - getProjVertexByIndex(%d) - no Vertex Geometry. Probably restoring?\n",idx);
|
|
return NULL;
|
|
}
|
|
return geoms[idx];
|
|
}
|
|
|
|
//! returns existing geometry of 2D Face(idx)
|
|
//version 1 Face has 1 wire
|
|
std::vector<TechDrawGeometry::BaseGeom*> DrawViewPart::getProjFaceByIndex(int idx) const
|
|
{
|
|
std::vector<TechDrawGeometry::BaseGeom*> result;
|
|
const std::vector<TechDrawGeometry::Face *>& faces = getFaceGeometry();
|
|
for (auto& f:faces) {
|
|
for (auto& w:f->wires) {
|
|
for (auto& g:w->geoms) {
|
|
result.push_back(g);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
Base::BoundBox3d DrawViewPart::getBoundingBox() const
|
|
{
|
|
return bbox;
|
|
}
|
|
|
|
double DrawViewPart::getBoxX(void) const
|
|
{
|
|
Base::BoundBox3d bbx = getBoundingBox(); //bbox is already scaled & centered!
|
|
return (bbx.MaxX - bbx.MinX);
|
|
}
|
|
|
|
double DrawViewPart::getBoxY(void) const
|
|
{
|
|
Base::BoundBox3d bbx = getBoundingBox();
|
|
return (bbx.MaxY - bbx.MinY);
|
|
}
|
|
|
|
QRectF DrawViewPart::getRect() const
|
|
{
|
|
QRectF result(0.0,0.0,getBoxX(),getBoxY()); //this is from GO and is already scaled
|
|
return result;
|
|
}
|
|
|
|
//used to project pt (ex SectionOrigin) onto paper plane
|
|
Base::Vector3d DrawViewPart::projectPoint(const Base::Vector3d& pt) const
|
|
{
|
|
Base::Vector3d centeredPoint = pt - shapeCentroid;
|
|
Base::Vector3d direction = Direction.getValue();
|
|
Base::Vector3d xAxis = getValidXDir();
|
|
gp_Ax2 viewAxis;
|
|
viewAxis = gp_Ax2(gp_Pnt(0.0,0.0,0.0),
|
|
gp_Dir(direction.x, direction.y, direction.z),
|
|
gp_Dir(xAxis.x, xAxis.y, xAxis.z));
|
|
HLRAlgo_Projector projector( viewAxis );
|
|
gp_Pnt2d prjPnt;
|
|
projector.Project(gp_Pnt(centeredPoint.x,centeredPoint.y,centeredPoint.z), prjPnt);
|
|
return Base::Vector3d(prjPnt.X(),prjPnt.Y(), 0.0);
|
|
}
|
|
|
|
bool DrawViewPart::hasGeometry(void) const
|
|
{
|
|
bool result = false;
|
|
const std::vector<TechDrawGeometry::Vertex*> &verts = getVertexGeometry();
|
|
const std::vector<TechDrawGeometry::BaseGeom*> &edges = getEdgeGeometry();
|
|
if (verts.empty() &&
|
|
edges.empty() ) {
|
|
result = false;
|
|
} else {
|
|
result = true;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Base::Vector3d DrawViewPart::getValidXDir() const
|
|
{
|
|
Base::Vector3d X(1.0,0.0,0.0);
|
|
Base::Vector3d Y(0.0,1.0,0.0);
|
|
Base::Vector3d Z(0.0,0.0,1.0);
|
|
Base::Vector3d xDir = XAxisDirection.getValue();
|
|
if (xDir.Length() < Precision::Confusion()) {
|
|
Base::Console().Warning("XAxisDirection has zero length - using (1,0,0)\n");
|
|
xDir = X;
|
|
}
|
|
double xLength = xDir.Length();
|
|
xDir.Normalize();
|
|
Base::Vector3d viewDir = Direction.getValue();
|
|
viewDir.Normalize();
|
|
Base::Vector3d randomDir(0.0,0.0,0.0);
|
|
if (xDir == viewDir) {
|
|
randomDir = Y;
|
|
if (randomDir == xDir) {
|
|
randomDir = X;
|
|
}
|
|
xDir = randomDir;
|
|
Base::Console().Warning("XAxisDirection cannot equal +/- Direction - using (%.3f,%.3f%.3f)\n",
|
|
xDir.x,xDir.y,xDir.z);
|
|
} else if (xDir == (-1.0 * viewDir)) {
|
|
randomDir = Y;
|
|
if ((xDir == randomDir) ||
|
|
(xDir == (-1.0 * randomDir))) {
|
|
randomDir = X;
|
|
}
|
|
xDir = randomDir;
|
|
Base::Console().Warning("XAxisDirection cannot equal +/- Direction - using (%.3f,%.3f%.3f)\n",
|
|
xDir.x,xDir.y,xDir.z);
|
|
}
|
|
return xLength * xDir;
|
|
}
|
|
|
|
void DrawViewPart::saveParamSpace(const Base::Vector3d& direction,
|
|
const Base::Vector3d& xAxis)
|
|
{
|
|
gp_Ax2 viewAxis;
|
|
viewAxis = gp_Ax2(gp_Pnt(0, 0, 0),
|
|
gp_Dir(direction.x, -direction.y, direction.z),
|
|
gp_Dir(xAxis.x, -xAxis.y, xAxis.z)); // Y invert warning! //
|
|
|
|
uDir = Base::Vector3d(xAxis.x, -xAxis.y, xAxis.z);
|
|
gp_Dir ydir = viewAxis.YDirection();
|
|
vDir = Base::Vector3d(ydir.X(),ydir.Y(),ydir.Z());
|
|
wDir = Base::Vector3d(direction.x, -direction.y, direction.z);
|
|
}
|
|
|
|
|
|
DrawViewSection* DrawViewPart::getSectionRef(void) const
|
|
{
|
|
DrawViewSection* result = nullptr;
|
|
std::vector<App::DocumentObject*> inObjs = getInList();
|
|
for (auto& o:inObjs) {
|
|
if (o->getTypeId().isDerivedFrom(DrawViewSection::getClassTypeId())) {
|
|
result = static_cast<TechDraw::DrawViewSection*>(o);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
PyObject *DrawViewPart::getPyObject(void)
|
|
{
|
|
if (PythonObject.is(Py::_None())) {
|
|
// ref counter is set to 1
|
|
PythonObject = Py::Object(new DrawViewPartPy(this),true);
|
|
}
|
|
return Py::new_reference_to(PythonObject);
|
|
}
|
|
|
|
|
|
// Python Drawing feature ---------------------------------------------------------
|
|
|
|
namespace App {
|
|
/// @cond DOXERR
|
|
PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewPartPython, TechDraw::DrawViewPart)
|
|
template<> const char* TechDraw::DrawViewPartPython::getViewProviderName(void) const {
|
|
return "TechDrawGui::ViewProviderViewPart";
|
|
}
|
|
/// @endcond
|
|
|
|
// explicit template instantiation
|
|
template class TechDrawExport FeaturePythonT<TechDraw::DrawViewPart>;
|
|
}
|