mirror of
https://git.salome-platform.org/gitpub/modules/geom.git
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c7ffbf7b4e
+ virtual bool GetCreationInformation(std::string& theOperationName, + std::vector<GEOM_Param>& params);
199 lines
6.5 KiB
C++
199 lines
6.5 KiB
C++
// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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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 Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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#include <Standard_Stream.hxx>
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#include <GEOMImpl_OffsetDriver.hxx>
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#include <GEOMImpl_IOffset.hxx>
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#include <GEOMImpl_Types.hxx>
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#include <GEOM_Function.hxx>
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#include <BRepOffsetAPI_MakeOffsetShape.hxx>
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#include <BRep_Tool.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopAbs.hxx>
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#include <TopExp.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <Precision.hxx>
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#include <gp_Pnt.hxx>
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#include <BRepCheck_Analyzer.hxx>
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#include <ShapeFix_ShapeTolerance.hxx>
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#include <ShapeFix_Shape.hxx>
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#include <Standard_ConstructionError.hxx>
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#include <StdFail_NotDone.hxx>
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#include "utilities.h"
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& GEOMImpl_OffsetDriver::GetID()
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{
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static Standard_GUID aOffsetDriver("FF1BBB51-5D14-4df2-980B-3A668264EA16");
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return aOffsetDriver;
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}
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//=======================================================================
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//function : GEOMImpl_OffsetDriver
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//purpose :
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//=======================================================================
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GEOMImpl_OffsetDriver::GEOMImpl_OffsetDriver()
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{
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}
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//=======================================================================
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//function : Execute
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//purpose :
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//=======================================================================
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Standard_Integer GEOMImpl_OffsetDriver::Execute(TFunction_Logbook& log) const
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
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GEOMImpl_IOffset aCI (aFunction);
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Standard_Integer aType = aFunction->GetType();
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TopoDS_Shape aShape;
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Handle(GEOM_Function) aRefShape = aCI.GetShape();
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TopoDS_Shape aShapeBase = aRefShape->GetValue();
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Standard_Real anOffset = aCI.GetValue();
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Standard_Real aTol = Precision::Confusion();
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if (Abs(anOffset) < aTol) {
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TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
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aMsg += TCollection_AsciiString(aTol);
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aMsg += ")";
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StdFail_NotDone::Raise(aMsg.ToCString());
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}
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if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
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BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
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aCI.GetValue(),
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aTol);
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if (MO.IsDone()) {
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aShape = MO.Shape();
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// 23.04.2010 skl for bug 21699 from Mantis
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BRepCheck_Analyzer ana (aShape, Standard_True);
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ana.Init(aShape);
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if (!ana.IsValid()) {
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ShapeFix_ShapeTolerance aSFT;
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aSFT.LimitTolerance(aShape, Precision::Confusion(),
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Precision::Confusion(), TopAbs_SHAPE);
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Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
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aSfs->Perform();
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aShape = aSfs->Shape();
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ana.Init(aShape);
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if (!ana.IsValid())
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Standard_ConstructionError::Raise("Boolean operation aborted : non valid shape result");
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}
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}
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else {
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StdFail_NotDone::Raise("Offset construction failed");
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}
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}
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else if (aType == OFFSET_THICKENING || aType == OFFSET_THICKENING_COPY)
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{
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BRepClass3d_SolidClassifier aClassifier = BRepClass3d_SolidClassifier(aShapeBase);
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aClassifier.PerformInfinitePoint(Precision::Confusion());
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if (aClassifier.State()==TopAbs_IN)
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{
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// If the generated pipe faces normals are oriented towards the inside, the offset is negative
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// so that the thickening is still towards outside
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anOffset=-anOffset;
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}
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BRepOffset_MakeOffset myOffsetShape(aShapeBase, anOffset, aTol, BRepOffset_Skin,
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Standard_False, Standard_False, GeomAbs_Intersection, Standard_True);
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if (!myOffsetShape.IsDone())
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{
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StdFail_NotDone::Raise("Thickening construction failed");
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}
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aShape = myOffsetShape.Shape();
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// Control the solid orientation. This is mostly done to fix a bug in case of extrusion
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// of a circle. The built solid is then badly oriented
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BRepClass3d_SolidClassifier anotherClassifier = BRepClass3d_SolidClassifier(aShape);
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anotherClassifier.PerformInfinitePoint(Precision::Confusion());
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if (anotherClassifier.State()==TopAbs_IN)
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{
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aShape.Reverse();
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}
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}
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if (aShape.IsNull()) return 0;
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aFunction->SetValue(aShape);
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log.SetTouched(Label());
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return 1;
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}
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//================================================================================
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/*!
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* \brief Returns a name of creation operation and names and values of creation parameters
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*/
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//================================================================================
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bool GEOMImpl_OffsetDriver::
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GetCreationInformation(std::string& theOperationName,
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std::vector<GEOM_Param>& theParams)
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
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GEOMImpl_IOffset aCI( function );
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Standard_Integer aType = function->GetType();
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switch ( aType ) {
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case OFFSET_SHAPE:
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case OFFSET_SHAPE_COPY:
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theOperationName = "OFFSET";
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AddParam( theParams, "Object", aCI.GetShape() );
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AddParam( theParams, "Offset", aCI.GetValue() );
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break;
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case OFFSET_THICKENING:
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case OFFSET_THICKENING_COPY:
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theOperationName = "MakeThickening";
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AddParam( theParams, "Object", aCI.GetShape() );
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AddParam( theParams, "Offset", aCI.GetValue() );
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break;
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default:
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return false;
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}
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return true;
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}
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IMPLEMENT_STANDARD_HANDLE (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
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IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
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