1293 lines
51 KiB
C++
1293 lines
51 KiB
C++
/***************************************************************************
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* Copyright (c) 2011 Juergen 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 <Bnd_Box.hxx>
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# include <BRep_Tool.hxx>
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# include <BRepBndLib.hxx>
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# include <BRepBuilderAPI_MakeVertex.hxx>
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# include <BRepExtrema_DistShapeShape.hxx>
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# include <BRepMesh_IncrementalMesh.hxx>
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# include <gp_Trsf.hxx>
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# include <Precision.hxx>
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# include <Poly_Array1OfTriangle.hxx>
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# include <Poly_Polygon3D.hxx>
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# include <Poly_PolygonOnTriangulation.hxx>
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# include <Poly_Triangulation.hxx>
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# include <Standard_Version.hxx>
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# include <TColgp_Array1OfDir.hxx>
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# include <TColgp_Array1OfPnt.hxx>
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# include <TColStd_Array1OfInteger.hxx>
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# include <TopExp.hxx>
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# include <TopExp_Explorer.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Edge.hxx>
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# include <TopoDS_Face.hxx>
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# include <TopoDS_Shape.hxx>
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# include <TopoDS_Vertex.hxx>
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# include <TopTools_IndexedMapOfShape.hxx>
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# include <QAction>
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# include <QMenu>
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# include <sstream>
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# include <Inventor/SoPickedPoint.h>
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# include <Inventor/details/SoFaceDetail.h>
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# include <Inventor/details/SoLineDetail.h>
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# include <Inventor/details/SoPointDetail.h>
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# include <Inventor/errors/SoDebugError.h>
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# include <Inventor/nodes/SoCoordinate3.h>
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# include <Inventor/nodes/SoDrawStyle.h>
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# include <Inventor/nodes/SoMaterial.h>
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# include <Inventor/nodes/SoMaterialBinding.h>
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# include <Inventor/nodes/SoNormal.h>
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# include <Inventor/nodes/SoNormalBinding.h>
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# include <Inventor/nodes/SoPolygonOffset.h>
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# include <Inventor/nodes/SoSeparator.h>
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# include <Inventor/nodes/SoShapeHints.h>
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# include <boost/regex.hpp>
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# include <boost/algorithm/string/predicate.hpp>
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#endif
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#include <App/Application.h>
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#include <App/Document.h>
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#include <Base/Console.h>
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#include <Base/Parameter.h>
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#include <Base/TimeInfo.h>
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#include <Base/Tools.h>
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#include <Gui/BitmapFactory.h>
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#include <Gui/Control.h>
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#include <Gui/SoFCSelectionAction.h>
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#include <Gui/SoFCUnifiedSelection.h>
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#include <Gui/ViewParams.h>
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#include <Mod/Part/App/Tools.h>
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#include "ViewProviderExt.h"
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#include "SoBrepEdgeSet.h"
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#include "SoBrepFaceSet.h"
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#include "SoBrepPointSet.h"
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#include "TaskFaceColors.h"
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FC_LOG_LEVEL_INIT("Part", true, true)
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using namespace PartGui;
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PROPERTY_SOURCE(PartGui::ViewProviderPartExt, Gui::ViewProviderGeometryObject)
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//**************************************************************************
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// Construction/Destruction
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App::PropertyFloatConstraint::Constraints ViewProviderPartExt::sizeRange = {1.0,64.0,1.0};
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App::PropertyFloatConstraint::Constraints ViewProviderPartExt::tessRange = {0.01,100.0,0.01};
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App::PropertyQuantityConstraint::Constraints ViewProviderPartExt::angDeflectionRange = {1.0,180.0,0.05};
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const char* ViewProviderPartExt::LightingEnums[]= {"One side","Two side",nullptr};
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const char* ViewProviderPartExt::DrawStyleEnums[]= {"Solid","Dashed","Dotted","Dashdot",nullptr};
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ViewProviderPartExt::ViewProviderPartExt()
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{
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VisualTouched = true;
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forceUpdateCount = 0;
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NormalsFromUV = true;
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// get default line color
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unsigned long lcol = Gui::ViewParams::instance()->getDefaultShapeLineColor(); // dark grey (25,25,25)
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float lr,lg,lb;
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lr = ((lcol >> 24) & 0xff) / 255.0; lg = ((lcol >> 16) & 0xff) / 255.0; lb = ((lcol >> 8) & 0xff) / 255.0;
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// get default vertex color
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unsigned long vcol = Gui::ViewParams::instance()->getDefaultShapeVertexColor();
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float vr,vg,vb;
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vr = ((vcol >> 24) & 0xff) / 255.0; vg = ((vcol >> 16) & 0xff) / 255.0; vb = ((vcol >> 8) & 0xff) / 255.0;
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int lwidth = Gui::ViewParams::instance()->getDefaultShapeLineWidth();
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int psize = Gui::ViewParams::instance()->getDefaultShapePointSize();
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ParameterGrp::handle hPart = App::GetApplication().GetParameterGroupByPath
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("User parameter:BaseApp/Preferences/Mod/Part");
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NormalsFromUV = hPart->GetBool("NormalsFromUVNodes", NormalsFromUV);
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long twoside = hPart->GetBool("TwoSideRendering", true) ? 1 : 0;
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// Let the user define a custom lower limit but a value less than
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// OCCT's epsilon is not allowed
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double lowerLimit = hPart->GetFloat("MinimumDeviation", tessRange.LowerBound);
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lowerLimit = std::max(lowerLimit, Precision::Confusion());
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tessRange.LowerBound = lowerLimit;
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static const char *osgroup = "Object Style";
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App::Material lmat;
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lmat.ambientColor.set(0.2f,0.2f,0.2f);
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lmat.diffuseColor.set(lr,lg,lb);
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lmat.specularColor.set(0.0f,0.0f,0.0f);
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lmat.emissiveColor.set(0.0f,0.0f,0.0f);
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lmat.shininess = 1.0f;
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lmat.transparency = 0.0f;
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App::Material vmat;
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vmat.ambientColor.set(0.2f,0.2f,0.2f);
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vmat.diffuseColor.set(vr,vg,vb);
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vmat.specularColor.set(0.0f,0.0f,0.0f);
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vmat.emissiveColor.set(0.0f,0.0f,0.0f);
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vmat.shininess = 1.0f;
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vmat.transparency = 0.0f;
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ADD_PROPERTY_TYPE(LineMaterial,(lmat), osgroup, App::Prop_None, "Object line material.");
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ADD_PROPERTY_TYPE(PointMaterial,(vmat), osgroup, App::Prop_None, "Object point material.");
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ADD_PROPERTY_TYPE(LineColor, (lmat.diffuseColor), osgroup, App::Prop_None, "Set object line color.");
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ADD_PROPERTY_TYPE(PointColor, (vmat.diffuseColor), osgroup, App::Prop_None, "Set object point color");
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ADD_PROPERTY_TYPE(PointColorArray, (PointColor.getValue()), osgroup, App::Prop_None, "Object point color array.");
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ADD_PROPERTY_TYPE(DiffuseColor,(ShapeColor.getValue()), osgroup, App::Prop_None, "Object diffuse color.");
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ADD_PROPERTY_TYPE(LineColorArray,(LineColor.getValue()), osgroup, App::Prop_None, "Object line color array.");
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ADD_PROPERTY_TYPE(LineWidth,(lwidth), osgroup, App::Prop_None, "Set object line width.");
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LineWidth.setConstraints(&sizeRange);
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PointSize.setConstraints(&sizeRange);
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ADD_PROPERTY_TYPE(PointSize,(psize), osgroup, App::Prop_None, "Set object point size.");
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ADD_PROPERTY_TYPE(Deviation,(0.5f), osgroup, App::Prop_None,
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"Sets the accuracy of the polygonal representation of the model\n"
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"in the 3D view (tessellation). Lower values indicate better quality.\n"
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"The value is in percent of object's size.");
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Deviation.setConstraints(&tessRange);
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ADD_PROPERTY_TYPE(AngularDeflection,(28.5), osgroup, App::Prop_None,
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"Specify how finely to generate the mesh for rendering on screen or when exporting.\n"
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"The default value is 28.5 degrees, or 0.5 radians. The smaller the value\n"
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"the smoother the appearance in the 3D view, and the finer the mesh that will be exported.");
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AngularDeflection.setConstraints(&angDeflectionRange);
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ADD_PROPERTY_TYPE(Lighting,(twoside), osgroup, App::Prop_None, "Set object lighting.");
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Lighting.setEnums(LightingEnums);
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ADD_PROPERTY_TYPE(DrawStyle,((long int)0), osgroup, App::Prop_None, "Defines the style of the edges in the 3D view.");
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DrawStyle.setEnums(DrawStyleEnums);
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coords = new SoCoordinate3();
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coords->ref();
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faceset = new SoBrepFaceSet();
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faceset->ref();
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norm = new SoNormal;
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norm->ref();
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normb = new SoNormalBinding;
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normb->value = SoNormalBinding::PER_VERTEX_INDEXED;
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normb->ref();
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lineset = new SoBrepEdgeSet();
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lineset->ref();
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nodeset = new SoBrepPointSet();
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nodeset->ref();
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pcFaceBind = new SoMaterialBinding();
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pcFaceBind->ref();
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pcLineBind = new SoMaterialBinding();
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pcLineBind->ref();
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pcLineMaterial = new SoMaterial;
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pcLineMaterial->ref();
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LineMaterial.touch();
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pcPointBind = new SoMaterialBinding();
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pcPointBind->ref();
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pcPointMaterial = new SoMaterial;
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pcPointMaterial->ref();
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PointMaterial.touch();
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pcLineStyle = new SoDrawStyle();
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pcLineStyle->ref();
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pcLineStyle->style = SoDrawStyle::LINES;
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pcLineStyle->lineWidth = LineWidth.getValue();
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pcPointStyle = new SoDrawStyle();
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pcPointStyle->ref();
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pcPointStyle->style = SoDrawStyle::POINTS;
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pcPointStyle->pointSize = PointSize.getValue();
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pShapeHints = new SoShapeHints;
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pShapeHints->shapeType = SoShapeHints::UNKNOWN_SHAPE_TYPE;
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pShapeHints->ref();
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Lighting.touch();
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DrawStyle.touch();
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sPixmap = "Part_3D_object";
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loadParameter();
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}
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ViewProviderPartExt::~ViewProviderPartExt()
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{
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pcFaceBind->unref();
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pcLineBind->unref();
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pcPointBind->unref();
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pcLineMaterial->unref();
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pcPointMaterial->unref();
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pcLineStyle->unref();
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pcPointStyle->unref();
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pShapeHints->unref();
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coords->unref();
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faceset->unref();
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norm->unref();
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normb->unref();
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lineset->unref();
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nodeset->unref();
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}
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void ViewProviderPartExt::onChanged(const App::Property* prop)
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{
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// The lower limit of the deviation has been increased to avoid
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// to freeze the GUI
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// https://forum.freecadweb.org/viewtopic.php?f=3&t=24912&p=195613
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if (prop == &Deviation) {
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if(isUpdateForced()||Visibility.getValue())
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updateVisual();
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else
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VisualTouched = true;
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}
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if (prop == &AngularDeflection) {
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if(isUpdateForced()||Visibility.getValue())
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updateVisual();
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else
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VisualTouched = true;
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}
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if (prop == &LineWidth) {
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pcLineStyle->lineWidth = LineWidth.getValue();
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}
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else if (prop == &PointSize) {
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pcPointStyle->pointSize = PointSize.getValue();
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}
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else if (prop == &LineColor) {
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const App::Color& c = LineColor.getValue();
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pcLineMaterial->diffuseColor.setValue(c.r,c.g,c.b);
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if (c != LineMaterial.getValue().diffuseColor)
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LineMaterial.setDiffuseColor(c);
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LineColorArray.setValue(LineColor.getValue());
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}
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else if (prop == &PointColor) {
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const App::Color& c = PointColor.getValue();
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pcPointMaterial->diffuseColor.setValue(c.r,c.g,c.b);
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if (c != PointMaterial.getValue().diffuseColor)
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PointMaterial.setDiffuseColor(c);
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PointColorArray.setValue(PointColor.getValue());
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}
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else if (prop == &LineMaterial) {
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const App::Material& Mat = LineMaterial.getValue();
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if (LineColor.getValue() != Mat.diffuseColor)
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LineColor.setValue(Mat.diffuseColor);
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pcLineMaterial->ambientColor.setValue(Mat.ambientColor.r,Mat.ambientColor.g,Mat.ambientColor.b);
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pcLineMaterial->diffuseColor.setValue(Mat.diffuseColor.r,Mat.diffuseColor.g,Mat.diffuseColor.b);
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pcLineMaterial->specularColor.setValue(Mat.specularColor.r,Mat.specularColor.g,Mat.specularColor.b);
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pcLineMaterial->emissiveColor.setValue(Mat.emissiveColor.r,Mat.emissiveColor.g,Mat.emissiveColor.b);
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pcLineMaterial->shininess.setValue(Mat.shininess);
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pcLineMaterial->transparency.setValue(Mat.transparency);
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}
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else if (prop == &PointMaterial) {
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const App::Material& Mat = PointMaterial.getValue();
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if (PointColor.getValue() != Mat.diffuseColor)
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PointColor.setValue(Mat.diffuseColor);
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pcPointMaterial->ambientColor.setValue(Mat.ambientColor.r,Mat.ambientColor.g,Mat.ambientColor.b);
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pcPointMaterial->diffuseColor.setValue(Mat.diffuseColor.r,Mat.diffuseColor.g,Mat.diffuseColor.b);
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pcPointMaterial->specularColor.setValue(Mat.specularColor.r,Mat.specularColor.g,Mat.specularColor.b);
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pcPointMaterial->emissiveColor.setValue(Mat.emissiveColor.r,Mat.emissiveColor.g,Mat.emissiveColor.b);
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pcPointMaterial->shininess.setValue(Mat.shininess);
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pcPointMaterial->transparency.setValue(Mat.transparency);
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}
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else if (prop == &PointColorArray) {
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setHighlightedPoints(PointColorArray.getValues());
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}
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else if (prop == &LineColorArray) {
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setHighlightedEdges(LineColorArray.getValues());
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}
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else if (prop == &DiffuseColor) {
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setHighlightedFaces(DiffuseColor.getValues());
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}
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else if (prop == &ShapeMaterial || prop == &ShapeColor) {
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pcFaceBind->value = SoMaterialBinding::OVERALL;
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ViewProviderGeometryObject::onChanged(prop);
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App::Color c = ShapeColor.getValue();
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c.a = Transparency.getValue()/100.0f;
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DiffuseColor.setValue(c);
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}
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else if (prop == &Transparency) {
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const App::Material& Mat = ShapeMaterial.getValue();
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long value = (long)(100*Mat.transparency);
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if (value != Transparency.getValue()) {
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float trans = Transparency.getValue()/100.0f;
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auto colors = DiffuseColor.getValues();
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for (auto &c : colors)
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c.a = trans;
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DiffuseColor.setValues(colors);
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App::PropertyContainer* parent = ShapeMaterial.getContainer();
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ShapeMaterial.setContainer(nullptr);
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ShapeMaterial.setTransparency(trans);
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ShapeMaterial.setContainer(parent);
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}
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}
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else if (prop == &Lighting) {
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if (Lighting.getValue() == 0)
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pShapeHints->vertexOrdering = SoShapeHints::UNKNOWN_ORDERING;
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else
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pShapeHints->vertexOrdering = SoShapeHints::COUNTERCLOCKWISE;
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}
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else if (prop == &DrawStyle) {
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if (DrawStyle.getValue() == 0)
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pcLineStyle->linePattern = 0xffff;
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else if (DrawStyle.getValue() == 1)
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pcLineStyle->linePattern = 0xf00f;
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else if (DrawStyle.getValue() == 2)
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pcLineStyle->linePattern = 0x0f0f;
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else
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pcLineStyle->linePattern = 0xff88;
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}
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else {
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// if the object was invisible and has been changed, recreate the visual
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if (prop == &Visibility && (isUpdateForced() || Visibility.getValue()) && VisualTouched) {
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updateVisual();
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// updateVisual() may not be triggered by any change (e.g.
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// triggered by an external object through forceUpdate()). And
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// since DiffuseColor is not changed here either, do not falsely set
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// the document modified status
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Base::ObjectStatusLocker<App::Property::Status,App::Property> guard(
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App::Property::NoModify, &DiffuseColor);
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// The material has to be checked again (#0001736)
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onChanged(&DiffuseColor);
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}
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}
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ViewProviderGeometryObject::onChanged(prop);
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}
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bool ViewProviderPartExt::allowOverride(const App::DocumentObject &) const {
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// Many derived view providers still uses static_cast to get object
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// pointer, so check for exact type here.
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return getTypeId() == ViewProviderPartExt::getClassTypeId();
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}
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void ViewProviderPartExt::attach(App::DocumentObject *pcFeat)
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{
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// call parent attach method
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ViewProviderGeometryObject::attach(pcFeat);
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// Workaround for #0000433, i.e. use SoSeparator instead of SoGroup
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auto* pcNormalRoot = new SoSeparator();
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auto* pcFlatRoot = new SoSeparator();
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auto* pcWireframeRoot = new SoSeparator();
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auto* pcPointsRoot = new SoSeparator();
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auto* wireframe = new SoSeparator();
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// Must turn off all intermediate render caching, and let pcRoot to handle
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// cache without interference.
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pcNormalRoot->renderCaching =
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pcFlatRoot->renderCaching =
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pcWireframeRoot->renderCaching =
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pcPointsRoot->renderCaching =
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wireframe->renderCaching = SoSeparator::OFF;
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pcNormalRoot->boundingBoxCaching =
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pcFlatRoot->boundingBoxCaching =
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pcWireframeRoot->boundingBoxCaching =
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pcPointsRoot->boundingBoxCaching =
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wireframe->boundingBoxCaching = SoSeparator::OFF;
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// Avoid any Z-buffer artifacts, so that the lines always appear on top of the faces
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// The correct order is Edges, Polygon offset, Faces.
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SoPolygonOffset* offset = new SoPolygonOffset();
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// wireframe node
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wireframe->setName("Edge");
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wireframe->addChild(pcLineBind);
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wireframe->addChild(pcLineMaterial);
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wireframe->addChild(pcLineStyle);
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wireframe->addChild(lineset);
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// normal viewing with edges and points
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pcNormalRoot->addChild(pcPointsRoot);
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pcNormalRoot->addChild(wireframe);
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pcNormalRoot->addChild(offset);
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pcNormalRoot->addChild(pcFlatRoot);
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// just faces with no edges or points
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pcFlatRoot->addChild(pShapeHints);
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pcFlatRoot->addChild(pcFaceBind);
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pcFlatRoot->addChild(pcShapeMaterial);
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SoDrawStyle* pcFaceStyle = new SoDrawStyle();
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pcFaceStyle->style = SoDrawStyle::FILLED;
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pcFlatRoot->addChild(pcFaceStyle);
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pcFlatRoot->addChild(norm);
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pcFlatRoot->addChild(normb);
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pcFlatRoot->addChild(faceset);
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// edges and points
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pcWireframeRoot->addChild(wireframe);
|
|
pcWireframeRoot->addChild(pcPointsRoot);
|
|
|
|
// normal viewing with edges and points
|
|
pcPointsRoot->addChild(pcPointBind);
|
|
pcPointsRoot->addChild(pcPointMaterial);
|
|
pcPointsRoot->addChild(pcPointStyle);
|
|
pcPointsRoot->addChild(nodeset);
|
|
|
|
// Move 'coords' before the switch
|
|
pcRoot->insertChild(coords,pcRoot->findChild(pcModeSwitch));
|
|
|
|
// putting all together with the switch
|
|
addDisplayMaskMode(pcNormalRoot, "Flat Lines");
|
|
addDisplayMaskMode(pcFlatRoot, "Shaded");
|
|
addDisplayMaskMode(pcWireframeRoot, "Wireframe");
|
|
addDisplayMaskMode(pcPointsRoot, "Point");
|
|
}
|
|
|
|
void ViewProviderPartExt::setDisplayMode(const char* ModeName)
|
|
{
|
|
if ( strcmp("Flat Lines",ModeName)==0 )
|
|
setDisplayMaskMode("Flat Lines");
|
|
else if ( strcmp("Shaded",ModeName)==0 )
|
|
setDisplayMaskMode("Shaded");
|
|
else if ( strcmp("Wireframe",ModeName)==0 )
|
|
setDisplayMaskMode("Wireframe");
|
|
else if ( strcmp("Points",ModeName)==0 )
|
|
setDisplayMaskMode("Point");
|
|
|
|
ViewProviderGeometryObject::setDisplayMode( ModeName );
|
|
}
|
|
|
|
std::vector<std::string> ViewProviderPartExt::getDisplayModes() const
|
|
{
|
|
// get the modes of the father
|
|
std::vector<std::string> StrList = ViewProviderGeometryObject::getDisplayModes();
|
|
|
|
// add your own modes
|
|
StrList.emplace_back("Flat Lines");
|
|
StrList.emplace_back("Shaded");
|
|
StrList.emplace_back("Wireframe");
|
|
StrList.emplace_back("Points");
|
|
|
|
return StrList;
|
|
}
|
|
|
|
std::string ViewProviderPartExt::getElement(const SoDetail* detail) const
|
|
{
|
|
std::stringstream str;
|
|
if (detail) {
|
|
if (detail->getTypeId() == SoFaceDetail::getClassTypeId()) {
|
|
const SoFaceDetail* face_detail = static_cast<const SoFaceDetail*>(detail);
|
|
int face = face_detail->getPartIndex() + 1;
|
|
str << "Face" << face;
|
|
}
|
|
else if (detail->getTypeId() == SoLineDetail::getClassTypeId()) {
|
|
const SoLineDetail* line_detail = static_cast<const SoLineDetail*>(detail);
|
|
int edge = line_detail->getLineIndex() + 1;
|
|
str << "Edge" << edge;
|
|
}
|
|
else if (detail->getTypeId() == SoPointDetail::getClassTypeId()) {
|
|
const SoPointDetail* point_detail = static_cast<const SoPointDetail*>(detail);
|
|
int vertex = point_detail->getCoordinateIndex() - nodeset->startIndex.getValue() + 1;
|
|
str << "Vertex" << vertex;
|
|
}
|
|
}
|
|
|
|
return str.str();
|
|
}
|
|
|
|
SoDetail* ViewProviderPartExt::getDetail(const char* subelement) const
|
|
{
|
|
std::string element;
|
|
int index;
|
|
SoDetail* detail = nullptr;
|
|
boost::regex ex("^(Face|Edge|Vertex)([1-9][0-9]*)$");
|
|
boost::cmatch what;
|
|
|
|
if (boost::regex_match(subelement, what, ex)) {
|
|
element = what[1].str();
|
|
index = std::atoi(what[2].str().c_str());
|
|
|
|
if (element == "Face") {
|
|
detail = new SoFaceDetail();
|
|
static_cast<SoFaceDetail*>(detail)->setPartIndex(index - 1);
|
|
}
|
|
else if (element == "Edge") {
|
|
detail = new SoLineDetail();
|
|
static_cast<SoLineDetail*>(detail)->setLineIndex(index - 1);
|
|
}
|
|
else if (element == "Vertex") {
|
|
detail = new SoPointDetail();
|
|
static_cast<SoPointDetail*>(detail)->setCoordinateIndex(index + nodeset->startIndex.getValue() - 1);
|
|
}
|
|
}
|
|
|
|
return detail;
|
|
}
|
|
|
|
std::vector<Base::Vector3d> ViewProviderPartExt::getModelPoints(const SoPickedPoint* pp) const
|
|
{
|
|
try {
|
|
std::vector<Base::Vector3d> pts;
|
|
std::string element = this->getElement(pp->getDetail());
|
|
const auto &shape = Part::Feature::getTopoShape(getObject());
|
|
|
|
TopoDS_Shape subShape = shape.getSubShape(element.c_str());
|
|
|
|
// get the point of the vertex directly
|
|
if (subShape.ShapeType() == TopAbs_VERTEX) {
|
|
const TopoDS_Vertex& v = TopoDS::Vertex(subShape);
|
|
gp_Pnt p = BRep_Tool::Pnt(v);
|
|
pts.emplace_back(p.X(),p.Y(),p.Z());
|
|
}
|
|
// get the nearest point on the edge
|
|
else if (subShape.ShapeType() == TopAbs_EDGE) {
|
|
const SbVec3f& vec = pp->getPoint();
|
|
BRepBuilderAPI_MakeVertex mkVert(gp_Pnt(vec[0],vec[1],vec[2]));
|
|
BRepExtrema_DistShapeShape distSS(subShape, mkVert.Vertex(), 0.1);
|
|
if (distSS.NbSolution() > 0) {
|
|
gp_Pnt p = distSS.PointOnShape1(1);
|
|
pts.emplace_back(p.X(),p.Y(),p.Z());
|
|
}
|
|
}
|
|
// get the nearest point on the face
|
|
else if (subShape.ShapeType() == TopAbs_FACE) {
|
|
const SbVec3f& vec = pp->getPoint();
|
|
BRepBuilderAPI_MakeVertex mkVert(gp_Pnt(vec[0],vec[1],vec[2]));
|
|
BRepExtrema_DistShapeShape distSS(subShape, mkVert.Vertex(), 0.1);
|
|
if (distSS.NbSolution() > 0) {
|
|
gp_Pnt p = distSS.PointOnShape1(1);
|
|
pts.emplace_back(p.X(),p.Y(),p.Z());
|
|
}
|
|
}
|
|
|
|
return pts;
|
|
}
|
|
catch (...) {
|
|
}
|
|
|
|
// if something went wrong returns an empty array
|
|
return std::vector<Base::Vector3d>();
|
|
}
|
|
|
|
std::vector<Base::Vector3d> ViewProviderPartExt::getSelectionShape(const char* /*Element*/) const
|
|
{
|
|
return std::vector<Base::Vector3d>();
|
|
}
|
|
|
|
void ViewProviderPartExt::setHighlightedFaces(const std::vector<App::Color>& colors)
|
|
{
|
|
if (getObject() && getObject()->testStatus(App::ObjectStatus::TouchOnColorChange))
|
|
getObject()->touch(true);
|
|
|
|
Gui::SoUpdateVBOAction action;
|
|
action.apply(this->faceset);
|
|
|
|
int size = static_cast<int>(colors.size());
|
|
if (size > 1 && size == this->faceset->partIndex.getNum()) {
|
|
pcFaceBind->value = SoMaterialBinding::PER_PART;
|
|
pcShapeMaterial->diffuseColor.setNum(size);
|
|
pcShapeMaterial->transparency.setNum(size);
|
|
SbColor* ca = pcShapeMaterial->diffuseColor.startEditing();
|
|
float *t = pcShapeMaterial->transparency.startEditing();
|
|
for (int i = 0; i < size; i++) {
|
|
ca[i].setValue(colors[i].r, colors[i].g, colors[i].b);
|
|
t[i] = colors[i].a;
|
|
}
|
|
pcShapeMaterial->diffuseColor.finishEditing();
|
|
pcShapeMaterial->transparency.finishEditing();
|
|
}
|
|
else if (colors.size() == 1) {
|
|
pcFaceBind->value = SoMaterialBinding::OVERALL;
|
|
pcShapeMaterial->diffuseColor.setValue(colors[0].r, colors[0].g, colors[0].b);
|
|
pcShapeMaterial->transparency = Transparency.getValue()/100.f;
|
|
}
|
|
}
|
|
|
|
void ViewProviderPartExt::setHighlightedFaces(const std::vector<App::Material>& colors)
|
|
{
|
|
int size = static_cast<int>(colors.size());
|
|
if (size > 1 && size == this->faceset->partIndex.getNum()) {
|
|
pcFaceBind->value = SoMaterialBinding::PER_PART;
|
|
|
|
pcShapeMaterial->diffuseColor.setNum(size);
|
|
pcShapeMaterial->ambientColor.setNum(size);
|
|
pcShapeMaterial->specularColor.setNum(size);
|
|
pcShapeMaterial->emissiveColor.setNum(size);
|
|
|
|
SbColor* dc = pcShapeMaterial->diffuseColor.startEditing();
|
|
SbColor* ac = pcShapeMaterial->ambientColor.startEditing();
|
|
SbColor* sc = pcShapeMaterial->specularColor.startEditing();
|
|
SbColor* ec = pcShapeMaterial->emissiveColor.startEditing();
|
|
|
|
for (int i = 0; i < size; i++) {
|
|
dc[i].setValue(colors[i].diffuseColor.r, colors[i].diffuseColor.g, colors[i].diffuseColor.b);
|
|
ac[i].setValue(colors[i].ambientColor.r, colors[i].ambientColor.g, colors[i].ambientColor.b);
|
|
sc[i].setValue(colors[i].specularColor.r, colors[i].specularColor.g, colors[i].specularColor.b);
|
|
ec[i].setValue(colors[i].emissiveColor.r, colors[i].emissiveColor.g, colors[i].emissiveColor.b);
|
|
}
|
|
|
|
pcShapeMaterial->diffuseColor.finishEditing();
|
|
pcShapeMaterial->ambientColor.finishEditing();
|
|
pcShapeMaterial->specularColor.finishEditing();
|
|
pcShapeMaterial->emissiveColor.finishEditing();
|
|
}
|
|
else if (colors.size() == 1) {
|
|
pcFaceBind->value = SoMaterialBinding::OVERALL;
|
|
pcShapeMaterial->diffuseColor.setValue(colors[0].diffuseColor.r, colors[0].diffuseColor.g, colors[0].diffuseColor.b);
|
|
pcShapeMaterial->ambientColor.setValue(colors[0].ambientColor.r, colors[0].ambientColor.g, colors[0].ambientColor.b);
|
|
pcShapeMaterial->specularColor.setValue(colors[0].specularColor.r, colors[0].specularColor.g, colors[0].specularColor.b);
|
|
pcShapeMaterial->emissiveColor.setValue(colors[0].emissiveColor.r, colors[0].emissiveColor.g, colors[0].emissiveColor.b);
|
|
}
|
|
}
|
|
|
|
std::map<std::string,App::Color> ViewProviderPartExt::getElementColors(const char *element) const {
|
|
std::map<std::string,App::Color> ret;
|
|
|
|
if(!element || !element[0]) {
|
|
auto color = ShapeColor.getValue();
|
|
color.a = Transparency.getValue()/100.0f;
|
|
ret["Face"] = color;
|
|
ret["Edge"] = LineColor.getValue();
|
|
ret["Vertex"] = PointColor.getValue();
|
|
return ret;
|
|
}
|
|
|
|
if(boost::starts_with(element,"Face")) {
|
|
auto size = DiffuseColor.getSize();
|
|
if(element[4]=='*') {
|
|
auto color = ShapeColor.getValue();
|
|
color.a = Transparency.getValue()/100.0f;
|
|
bool singleColor = true;
|
|
for(int i=0;i<size;++i) {
|
|
if(DiffuseColor[i]!=color)
|
|
ret[std::string(element,4)+std::to_string(i+1)] = DiffuseColor[i];
|
|
singleColor = singleColor && DiffuseColor[0]==DiffuseColor[i];
|
|
}
|
|
if(size && singleColor) {
|
|
color = DiffuseColor[0];
|
|
color.a = Transparency.getValue()/100.0f;
|
|
ret.clear();
|
|
}
|
|
ret["Face"] = color;
|
|
}else{
|
|
int idx = atoi(element+4);
|
|
if(idx>0 && idx<=size)
|
|
ret[element] = DiffuseColor[idx-1];
|
|
else
|
|
ret[element] = ShapeColor.getValue();
|
|
if(size==1)
|
|
ret[element].a = Transparency.getValue()/100.0f;
|
|
}
|
|
} else if (boost::starts_with(element,"Edge")) {
|
|
auto size = LineColorArray.getSize();
|
|
if(element[4]=='*') {
|
|
auto color = LineColor.getValue();
|
|
bool singleColor = true;
|
|
for(int i=0;i<size;++i) {
|
|
if(LineColorArray[i]!=color)
|
|
ret[std::string(element,4)+std::to_string(i+1)] = LineColorArray[i];
|
|
singleColor = singleColor && LineColorArray[0]==LineColorArray[i];
|
|
}
|
|
if(singleColor && size) {
|
|
color = LineColorArray[0];
|
|
ret.clear();
|
|
}
|
|
ret["Edge"] = color;
|
|
}else{
|
|
int idx = atoi(element+4);
|
|
if(idx>0 && idx<=size)
|
|
ret[element] = LineColorArray[idx-1];
|
|
else
|
|
ret[element] = LineColor.getValue();
|
|
}
|
|
} else if (boost::starts_with(element,"Vertex")) {
|
|
auto size = PointColorArray.getSize();
|
|
if(element[5]=='*') {
|
|
auto color = PointColor.getValue();
|
|
bool singleColor = true;
|
|
for(int i=0;i<size;++i) {
|
|
if(PointColorArray[i]!=color)
|
|
ret[std::string(element,5)+std::to_string(i+1)] = PointColorArray[i];
|
|
singleColor = singleColor && PointColorArray[0]==PointColorArray[i];
|
|
}
|
|
if(singleColor && size) {
|
|
color = PointColorArray[0];
|
|
ret.clear();
|
|
}
|
|
ret["Vertex"] = color;
|
|
}else{
|
|
int idx = atoi(element+5);
|
|
if(idx>0 && idx<=size)
|
|
ret[element] = PointColorArray[idx-1];
|
|
else
|
|
ret[element] = PointColor.getValue();
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void ViewProviderPartExt::unsetHighlightedFaces()
|
|
{
|
|
DiffuseColor.touch();
|
|
Transparency.touch();
|
|
}
|
|
|
|
void ViewProviderPartExt::setHighlightedEdges(const std::vector<App::Color>& colors)
|
|
{
|
|
if (getObject() && getObject()->testStatus(App::ObjectStatus::TouchOnColorChange))
|
|
getObject()->touch(true);
|
|
int size = static_cast<int>(colors.size());
|
|
if (size > 1) {
|
|
// Although indexed lineset is used the material binding must be PER_FACE!
|
|
pcLineBind->value = SoMaterialBinding::PER_FACE;
|
|
const int32_t* cindices = this->lineset->coordIndex.getValues(0);
|
|
int numindices = this->lineset->coordIndex.getNum();
|
|
pcLineMaterial->diffuseColor.setNum(size);
|
|
SbColor* ca = pcLineMaterial->diffuseColor.startEditing();
|
|
int linecount = 0;
|
|
|
|
for (int i = 0; i < numindices; ++i) {
|
|
if (cindices[i] < 0) {
|
|
ca[linecount].setValue(colors[linecount].r, colors[linecount].g, colors[linecount].b);
|
|
linecount++;
|
|
if (linecount >= size)
|
|
break;
|
|
}
|
|
}
|
|
|
|
pcLineMaterial->diffuseColor.finishEditing();
|
|
}
|
|
else if (size == 1) {
|
|
pcLineBind->value = SoMaterialBinding::OVERALL;
|
|
pcLineMaterial->diffuseColor.setValue(colors[0].r, colors[0].g, colors[0].b);
|
|
}
|
|
}
|
|
|
|
void ViewProviderPartExt::unsetHighlightedEdges()
|
|
{
|
|
pcLineBind->value = SoMaterialBinding::OVERALL;
|
|
LineMaterial.touch();
|
|
}
|
|
|
|
void ViewProviderPartExt::setHighlightedPoints(const std::vector<App::Color>& colors)
|
|
{
|
|
if (getObject() && getObject()->testStatus(App::ObjectStatus::TouchOnColorChange))
|
|
getObject()->touch(true);
|
|
int size = static_cast<int>(colors.size());
|
|
if (size > 1) {
|
|
pcPointBind->value = SoMaterialBinding::PER_VERTEX;
|
|
pcPointMaterial->diffuseColor.setNum(size);
|
|
SbColor* ca = pcPointMaterial->diffuseColor.startEditing();
|
|
for (int i = 0; i < size; ++i)
|
|
ca[i].setValue(colors[i].r, colors[i].g, colors[i].b);
|
|
pcPointMaterial->diffuseColor.finishEditing();
|
|
}
|
|
else if (size == 1) {
|
|
pcPointBind->value = SoMaterialBinding::OVERALL;
|
|
pcPointMaterial->diffuseColor.setValue(colors[0].r, colors[0].g, colors[0].b);
|
|
}
|
|
}
|
|
|
|
void ViewProviderPartExt::unsetHighlightedPoints()
|
|
{
|
|
PointColorArray.touch();
|
|
}
|
|
|
|
bool ViewProviderPartExt::loadParameter()
|
|
{
|
|
bool changed = false;
|
|
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
|
|
("User parameter:BaseApp/Preferences/Mod/Part");
|
|
float deviation = hGrp->GetFloat("MeshDeviation",0.2);
|
|
float angularDeflection = hGrp->GetFloat("MeshAngularDeflection",28.65);
|
|
NormalsFromUV = hGrp->GetBool("NormalsFromUVNodes", NormalsFromUV);
|
|
|
|
if (Deviation.getValue() != deviation) {
|
|
Deviation.setValue(deviation);
|
|
changed = true;
|
|
}
|
|
if (AngularDeflection.getValue() != angularDeflection ) {
|
|
AngularDeflection.setValue(angularDeflection);
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
void ViewProviderPartExt::reload()
|
|
{
|
|
if (loadParameter())
|
|
updateVisual();
|
|
}
|
|
|
|
void ViewProviderPartExt::updateData(const App::Property* prop)
|
|
{
|
|
const char *propName = prop->getName();
|
|
if (propName && (strcmp(propName, "Shape") == 0 || strstr(propName, "Touched"))) {
|
|
// calculate the visual only if visible
|
|
if (isUpdateForced() || Visibility.getValue())
|
|
updateVisual();
|
|
else
|
|
VisualTouched = true;
|
|
|
|
if (!VisualTouched) {
|
|
if (this->faceset->partIndex.getNum() >
|
|
this->pcShapeMaterial->diffuseColor.getNum()) {
|
|
this->pcFaceBind->value = SoMaterialBinding::OVERALL;
|
|
}
|
|
}
|
|
}
|
|
Gui::ViewProviderGeometryObject::updateData(prop);
|
|
}
|
|
|
|
void ViewProviderPartExt::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
|
|
{
|
|
QIcon iconObject = mergeGreyableOverlayIcons(Gui::BitmapFactory().pixmap("Part_ColorFace.svg"));
|
|
Gui::ViewProviderGeometryObject::setupContextMenu(menu, receiver, member);
|
|
QAction* act = menu->addAction(iconObject, QObject::tr("Set colors..."), receiver, member);
|
|
act->setData(QVariant((int)ViewProvider::Color));
|
|
}
|
|
|
|
bool ViewProviderPartExt::changeFaceColors()
|
|
{
|
|
Gui::TaskView::TaskDialog *dlg = Gui::Control().activeDialog();
|
|
if (dlg) {
|
|
Gui::Control().showDialog(dlg);
|
|
return false;
|
|
}
|
|
|
|
Gui::Selection().clearSelection();
|
|
Gui::Control().showDialog(new TaskFaceColors(this));
|
|
return true;
|
|
}
|
|
|
|
bool ViewProviderPartExt::setEdit(int ModNum)
|
|
{
|
|
if (ModNum == ViewProvider::Color) {
|
|
// When double-clicking on the item for this pad the
|
|
// object unsets and sets its edit mode without closing
|
|
// the task panel
|
|
return changeFaceColors();
|
|
}
|
|
else {
|
|
return Gui::ViewProviderGeometryObject::setEdit(ModNum);
|
|
}
|
|
}
|
|
|
|
void ViewProviderPartExt::unsetEdit(int ModNum)
|
|
{
|
|
if (ModNum == ViewProvider::Color) {
|
|
// Do nothing here
|
|
}
|
|
else {
|
|
Gui::ViewProviderGeometryObject::unsetEdit(ModNum);
|
|
}
|
|
}
|
|
|
|
void ViewProviderPartExt::updateVisual()
|
|
{
|
|
Gui::SoUpdateVBOAction action;
|
|
action.apply(this->faceset);
|
|
|
|
// Clear selection
|
|
Gui::SoSelectionElementAction saction(Gui::SoSelectionElementAction::None);
|
|
saction.apply(this->faceset);
|
|
saction.apply(this->lineset);
|
|
saction.apply(this->nodeset);
|
|
|
|
// Clear highlighting
|
|
Gui::SoHighlightElementAction haction;
|
|
haction.apply(this->faceset);
|
|
haction.apply(this->lineset);
|
|
haction.apply(this->nodeset);
|
|
|
|
TopoDS_Shape cShape = Part::Feature::getShape(getObject());
|
|
if (cShape.IsNull()) {
|
|
coords ->point .setNum(0);
|
|
norm ->vector .setNum(0);
|
|
faceset ->coordIndex .setNum(0);
|
|
faceset ->partIndex .setNum(0);
|
|
lineset ->coordIndex .setNum(0);
|
|
nodeset ->startIndex .setValue(0);
|
|
VisualTouched = false;
|
|
return;
|
|
}
|
|
|
|
// time measurement and book keeping
|
|
Base::TimeInfo start_time;
|
|
int numTriangles=0,numNodes=0,numNorms=0,numFaces=0,numEdges=0,numLines=0;
|
|
std::set<int> faceEdges;
|
|
|
|
try {
|
|
// calculating the deflection value
|
|
Bnd_Box bounds;
|
|
BRepBndLib::Add(cShape, bounds);
|
|
bounds.SetGap(0.0);
|
|
Standard_Real xMin, yMin, zMin, xMax, yMax, zMax;
|
|
bounds.Get(xMin, yMin, zMin, xMax, yMax, zMax);
|
|
Standard_Real deflection = ((xMax-xMin)+(yMax-yMin)+(zMax-zMin))/300.0 * Deviation.getValue();
|
|
|
|
// Since OCCT 7.6 a value of equal 0 is not allowed any more, this can happen if a single vertex
|
|
// should be displayed.
|
|
if (deflection < gp::Resolution()) {
|
|
deflection = Precision::Confusion();
|
|
}
|
|
|
|
// For very big objects the computed deflection can become very high and thus leads to a useless
|
|
// tessellation. To avoid this the upper limit is set to 20.0
|
|
// See also forum: https://forum.freecad.org/viewtopic.php?t=77521
|
|
deflection = std::min(deflection, 20.0);
|
|
|
|
// create or use the mesh on the data structure
|
|
Standard_Real AngDeflectionRads = AngularDeflection.getValue() / 180.0 * M_PI;
|
|
BRepMesh_IncrementalMesh(cShape, deflection, Standard_False, AngDeflectionRads, Standard_True);
|
|
|
|
// We must reset the location here because the transformation data
|
|
// are set in the placement property
|
|
TopLoc_Location aLoc;
|
|
cShape.Location(aLoc);
|
|
|
|
// count triangles and nodes in the mesh
|
|
TopTools_IndexedMapOfShape faceMap;
|
|
TopExp::MapShapes(cShape, TopAbs_FACE, faceMap);
|
|
for (int i=1; i <= faceMap.Extent(); i++) {
|
|
Handle (Poly_Triangulation) mesh = BRep_Tool::Triangulation(TopoDS::Face(faceMap(i)), aLoc);
|
|
if (mesh.IsNull()) {
|
|
mesh = Part::Tools::triangulationOfFace(TopoDS::Face(faceMap(i)));
|
|
}
|
|
// Note: we must also count empty faces
|
|
if (!mesh.IsNull()) {
|
|
numTriangles += mesh->NbTriangles();
|
|
numNodes += mesh->NbNodes();
|
|
numNorms += mesh->NbNodes();
|
|
}
|
|
|
|
TopExp_Explorer xp;
|
|
for (xp.Init(faceMap(i),TopAbs_EDGE);xp.More();xp.Next())
|
|
faceEdges.insert(xp.Current().HashCode(INT_MAX));
|
|
numFaces++;
|
|
}
|
|
|
|
// get an indexed map of edges
|
|
TopTools_IndexedMapOfShape edgeMap;
|
|
TopExp::MapShapes(cShape, TopAbs_EDGE, edgeMap);
|
|
|
|
// key is the edge number, value the coord indexes. This is needed to keep the same order as the edges.
|
|
std::map<int, std::vector<int32_t> > lineSetMap;
|
|
std::set<int> edgeIdxSet;
|
|
std::vector<int32_t> edgeVector;
|
|
|
|
// count and index the edges
|
|
for (int i=1; i <= edgeMap.Extent(); i++) {
|
|
edgeIdxSet.insert(i);
|
|
numEdges++;
|
|
|
|
const TopoDS_Edge& aEdge = TopoDS::Edge(edgeMap(i));
|
|
TopLoc_Location aLoc;
|
|
|
|
// handling of the free edge that are not associated to a face
|
|
// Note: The assumption that if for an edge BRep_Tool::Polygon3D
|
|
// returns a valid object is wrong. This e.g. happens for ruled
|
|
// surfaces which gets created by two edges or wires.
|
|
// So, we have to store the hashes of the edges associated to a face.
|
|
// If the hash of a given edge is not in this list we know it's really
|
|
// a free edge.
|
|
int hash = aEdge.HashCode(INT_MAX);
|
|
if (faceEdges.find(hash) == faceEdges.end()) {
|
|
Handle(Poly_Polygon3D) aPoly = Part::Tools::polygonOfEdge(aEdge, aLoc);
|
|
if (!aPoly.IsNull()) {
|
|
int nbNodesInEdge = aPoly->NbNodes();
|
|
numNodes += nbNodesInEdge;
|
|
}
|
|
}
|
|
}
|
|
|
|
// handling of the vertices
|
|
TopTools_IndexedMapOfShape vertexMap;
|
|
TopExp::MapShapes(cShape, TopAbs_VERTEX, vertexMap);
|
|
numNodes += vertexMap.Extent();
|
|
|
|
// create memory for the nodes and indexes
|
|
coords ->point .setNum(numNodes);
|
|
norm ->vector .setNum(numNorms);
|
|
faceset ->coordIndex .setNum(numTriangles*4);
|
|
faceset ->partIndex .setNum(numFaces);
|
|
// get the raw memory for fast fill up
|
|
SbVec3f* verts = coords ->point .startEditing();
|
|
SbVec3f* norms = norm ->vector .startEditing();
|
|
int32_t* index = faceset ->coordIndex .startEditing();
|
|
int32_t* parts = faceset ->partIndex .startEditing();
|
|
|
|
// preset the normal vector with null vector
|
|
for (int i=0;i < numNorms;i++)
|
|
norms[i]= SbVec3f(0.0,0.0,0.0);
|
|
|
|
int ii = 0,faceNodeOffset=0,faceTriaOffset=0;
|
|
for (int i=1; i <= faceMap.Extent(); i++, ii++) {
|
|
TopLoc_Location aLoc;
|
|
const TopoDS_Face &actFace = TopoDS::Face(faceMap(i));
|
|
// get the mesh of the shape
|
|
Handle (Poly_Triangulation) mesh = BRep_Tool::Triangulation(actFace,aLoc);
|
|
if (mesh.IsNull()) {
|
|
mesh = Part::Tools::triangulationOfFace(actFace);
|
|
}
|
|
if (mesh.IsNull()) {
|
|
parts[ii] = 0;
|
|
continue;
|
|
}
|
|
|
|
// getting the transformation of the shape/face
|
|
gp_Trsf myTransf;
|
|
Standard_Boolean identity = true;
|
|
if (!aLoc.IsIdentity()) {
|
|
identity = false;
|
|
myTransf = aLoc.Transformation();
|
|
}
|
|
|
|
// getting size of node and triangle array of this face
|
|
int nbNodesInFace = mesh->NbNodes();
|
|
int nbTriInFace = mesh->NbTriangles();
|
|
// check orientation
|
|
TopAbs_Orientation orient = actFace.Orientation();
|
|
|
|
|
|
// cycling through the poly mesh
|
|
#if OCC_VERSION_HEX < 0x070600
|
|
const Poly_Array1OfTriangle& Triangles = mesh->Triangles();
|
|
const TColgp_Array1OfPnt& Nodes = mesh->Nodes();
|
|
TColgp_Array1OfDir Normals (Nodes.Lower(), Nodes.Upper());
|
|
#else
|
|
int numNodes = mesh->NbNodes();
|
|
TColgp_Array1OfDir Normals (1, numNodes);
|
|
#endif
|
|
if (NormalsFromUV)
|
|
Part::Tools::getPointNormals(actFace, mesh, Normals);
|
|
|
|
for (int g=1;g<=nbTriInFace;g++) {
|
|
// Get the triangle
|
|
Standard_Integer N1,N2,N3;
|
|
#if OCC_VERSION_HEX < 0x070600
|
|
Triangles(g).Get(N1,N2,N3);
|
|
#else
|
|
mesh->Triangle(g).Get(N1,N2,N3);
|
|
#endif
|
|
|
|
// change orientation of the triangle if the face is reversed
|
|
if ( orient != TopAbs_FORWARD ) {
|
|
Standard_Integer tmp = N1;
|
|
N1 = N2;
|
|
N2 = tmp;
|
|
}
|
|
|
|
// get the 3 points of this triangle
|
|
#if OCC_VERSION_HEX < 0x070600
|
|
gp_Pnt V1(Nodes(N1)), V2(Nodes(N2)), V3(Nodes(N3));
|
|
#else
|
|
gp_Pnt V1(mesh->Node(N1)), V2(mesh->Node(N2)), V3(mesh->Node(N3));
|
|
#endif
|
|
|
|
// get the 3 normals of this triangle
|
|
gp_Vec NV1, NV2, NV3;
|
|
if (NormalsFromUV) {
|
|
NV1.SetXYZ(Normals(N1).XYZ());
|
|
NV2.SetXYZ(Normals(N2).XYZ());
|
|
NV3.SetXYZ(Normals(N3).XYZ());
|
|
}
|
|
else {
|
|
gp_Vec v1(V1.X(),V1.Y(),V1.Z()),
|
|
v2(V2.X(),V2.Y(),V2.Z()),
|
|
v3(V3.X(),V3.Y(),V3.Z());
|
|
gp_Vec normal = (v2-v1)^(v3-v1);
|
|
NV1 = normal;
|
|
NV2 = normal;
|
|
NV3 = normal;
|
|
}
|
|
|
|
// transform the vertices and normals to the place of the face
|
|
if (!identity) {
|
|
V1.Transform(myTransf);
|
|
V2.Transform(myTransf);
|
|
V3.Transform(myTransf);
|
|
if (NormalsFromUV) {
|
|
NV1.Transform(myTransf);
|
|
NV2.Transform(myTransf);
|
|
NV3.Transform(myTransf);
|
|
}
|
|
}
|
|
|
|
// add the normals for all points of this triangle
|
|
norms[faceNodeOffset+N1-1] += SbVec3f(NV1.X(),NV1.Y(),NV1.Z());
|
|
norms[faceNodeOffset+N2-1] += SbVec3f(NV2.X(),NV2.Y(),NV2.Z());
|
|
norms[faceNodeOffset+N3-1] += SbVec3f(NV3.X(),NV3.Y(),NV3.Z());
|
|
|
|
// set the vertices
|
|
verts[faceNodeOffset+N1-1].setValue((float)(V1.X()),(float)(V1.Y()),(float)(V1.Z()));
|
|
verts[faceNodeOffset+N2-1].setValue((float)(V2.X()),(float)(V2.Y()),(float)(V2.Z()));
|
|
verts[faceNodeOffset+N3-1].setValue((float)(V3.X()),(float)(V3.Y()),(float)(V3.Z()));
|
|
|
|
// set the index vector with the 3 point indexes and the end delimiter
|
|
index[faceTriaOffset*4+4*(g-1)] = faceNodeOffset+N1-1;
|
|
index[faceTriaOffset*4+4*(g-1)+1] = faceNodeOffset+N2-1;
|
|
index[faceTriaOffset*4+4*(g-1)+2] = faceNodeOffset+N3-1;
|
|
index[faceTriaOffset*4+4*(g-1)+3] = SO_END_FACE_INDEX;
|
|
}
|
|
|
|
parts[ii] = nbTriInFace; // new part
|
|
|
|
// handling the edges lying on this face
|
|
TopExp_Explorer Exp;
|
|
for(Exp.Init(actFace,TopAbs_EDGE);Exp.More();Exp.Next()) {
|
|
const TopoDS_Edge &curEdge = TopoDS::Edge(Exp.Current());
|
|
// get the overall index of this edge
|
|
int edgeIndex = edgeMap.FindIndex(curEdge);
|
|
edgeVector.push_back((int32_t)edgeIndex-1);
|
|
// already processed this index ?
|
|
if (edgeIdxSet.find(edgeIndex)!=edgeIdxSet.end()) {
|
|
|
|
// this holds the indices of the edge's triangulation to the current polygon
|
|
Handle(Poly_PolygonOnTriangulation) aPoly = BRep_Tool::PolygonOnTriangulation(curEdge, mesh, aLoc);
|
|
if (aPoly.IsNull())
|
|
continue; // polygon does not exist
|
|
|
|
// getting the indexes of the edge polygon
|
|
const TColStd_Array1OfInteger& indices = aPoly->Nodes();
|
|
for (Standard_Integer i=indices.Lower();i <= indices.Upper();i++) {
|
|
int nodeIndex = indices(i);
|
|
int index = faceNodeOffset+nodeIndex-1;
|
|
lineSetMap[edgeIndex].push_back(index);
|
|
|
|
// usually the coordinates for this edge are already set by the
|
|
// triangles of the face this edge belongs to. However, there are
|
|
// rare cases where some points are only referenced by the polygon
|
|
// but not by any triangle. Thus, we must apply the coordinates to
|
|
// make sure that everything is properly set.
|
|
#if OCC_VERSION_HEX < 0x070600
|
|
gp_Pnt p(Nodes(nodeIndex));
|
|
#else
|
|
gp_Pnt p(mesh->Node(nodeIndex));
|
|
#endif
|
|
if (!identity)
|
|
p.Transform(myTransf);
|
|
verts[index].setValue((float)(p.X()),(float)(p.Y()),(float)(p.Z()));
|
|
}
|
|
|
|
// remove the handled edge index from the set
|
|
edgeIdxSet.erase(edgeIndex);
|
|
}
|
|
}
|
|
|
|
edgeVector.push_back(-1);
|
|
|
|
// counting up the per Face offsets
|
|
faceNodeOffset += nbNodesInFace;
|
|
faceTriaOffset += nbTriInFace;
|
|
}
|
|
|
|
// handling of the free edges
|
|
for (int i=1; i <= edgeMap.Extent(); i++) {
|
|
const TopoDS_Edge& aEdge = TopoDS::Edge(edgeMap(i));
|
|
Standard_Boolean identity = true;
|
|
gp_Trsf myTransf;
|
|
TopLoc_Location aLoc;
|
|
|
|
// handling of the free edge that are not associated to a face
|
|
int hash = aEdge.HashCode(INT_MAX);
|
|
if (faceEdges.find(hash) == faceEdges.end()) {
|
|
Handle(Poly_Polygon3D) aPoly = Part::Tools::polygonOfEdge(aEdge, aLoc);
|
|
if (!aPoly.IsNull()) {
|
|
if (!aLoc.IsIdentity()) {
|
|
identity = false;
|
|
myTransf = aLoc.Transformation();
|
|
}
|
|
|
|
const TColgp_Array1OfPnt& aNodes = aPoly->Nodes();
|
|
int nbNodesInEdge = aPoly->NbNodes();
|
|
|
|
gp_Pnt pnt;
|
|
for (Standard_Integer j=1;j <= nbNodesInEdge;j++) {
|
|
pnt = aNodes(j);
|
|
if (!identity)
|
|
pnt.Transform(myTransf);
|
|
int index = faceNodeOffset+j-1;
|
|
verts[index].setValue((float)(pnt.X()),(float)(pnt.Y()),(float)(pnt.Z()));
|
|
lineSetMap[i].push_back(index);
|
|
}
|
|
|
|
faceNodeOffset += nbNodesInEdge;
|
|
}
|
|
}
|
|
}
|
|
|
|
nodeset->startIndex.setValue(faceNodeOffset);
|
|
for (int i=0; i<vertexMap.Extent(); i++) {
|
|
const TopoDS_Vertex& aVertex = TopoDS::Vertex(vertexMap(i+1));
|
|
gp_Pnt pnt = BRep_Tool::Pnt(aVertex);
|
|
verts[faceNodeOffset+i].setValue((float)(pnt.X()),(float)(pnt.Y()),(float)(pnt.Z()));
|
|
}
|
|
|
|
// normalize all normals
|
|
for (int i = 0; i< numNorms ;i++)
|
|
norms[i].normalize();
|
|
|
|
std::vector<int32_t> lineSetCoords;
|
|
for (std::map<int, std::vector<int32_t> >::iterator it = lineSetMap.begin(); it != lineSetMap.end(); ++it) {
|
|
lineSetCoords.insert(lineSetCoords.end(), it->second.begin(), it->second.end());
|
|
lineSetCoords.push_back(-1);
|
|
}
|
|
|
|
// preset the index vector size
|
|
numLines = lineSetCoords.size();
|
|
lineset ->coordIndex .setNum(numLines);
|
|
int32_t* lines = lineset ->coordIndex .startEditing();
|
|
|
|
int l=0;
|
|
for (std::vector<int32_t>::const_iterator it=lineSetCoords.begin();it!=lineSetCoords.end();++it,l++)
|
|
lines[l] = *it;
|
|
|
|
// end the editing of the nodes
|
|
coords ->point .finishEditing();
|
|
norm ->vector .finishEditing();
|
|
faceset ->coordIndex .finishEditing();
|
|
faceset ->partIndex .finishEditing();
|
|
lineset ->coordIndex .finishEditing();
|
|
}
|
|
catch (const Standard_Failure& e) {
|
|
FC_ERR("Cannot compute Inventor representation for the shape of "
|
|
<< pcObject->getFullName() << ": " << e.GetMessageString());
|
|
}
|
|
catch (...) {
|
|
FC_ERR("Cannot compute Inventor representation for the shape of " << pcObject->getFullName());
|
|
}
|
|
|
|
# ifdef FC_DEBUG
|
|
// printing some information
|
|
Base::Console().Log("ViewProvider update time: %f s\n",Base::TimeInfo::diffTimeF(start_time,Base::TimeInfo()));
|
|
Base::Console().Log("Shape tria info: Faces:%d Edges:%d Nodes:%d Triangles:%d IdxVec:%d\n",numFaces,numEdges,numNodes,numTriangles,numLines);
|
|
# else
|
|
(void)numEdges;
|
|
# endif
|
|
VisualTouched = false;
|
|
}
|
|
|
|
void ViewProviderPartExt::forceUpdate(bool enable) {
|
|
if(enable) {
|
|
if(++forceUpdateCount == 1) {
|
|
if(!isShow() && VisualTouched)
|
|
updateVisual();
|
|
}
|
|
}else if(forceUpdateCount)
|
|
--forceUpdateCount;
|
|
}
|
|
|