mirror of
https://git.salome-platform.org/gitpub/modules/geom.git
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210 lines
7.3 KiB
C++
210 lines
7.3 KiB
C++
// Copyright (C) 2007-2014 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, 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 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 "GEOMImpl_VectorDriver.hxx"
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#include "GEOMImpl_IVector.hxx"
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#include "GEOMImpl_Types.hxx"
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#include "GEOM_Function.hxx"
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#include "GEOM_Object.hxx"
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRep_Tool.hxx>
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#include <Geom_Curve.hxx>
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#include <Precision.hxx>
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#include <TCollection_AsciiString.hxx>
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#include <TopAbs.hxx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <Standard_ConstructionError.hxx>
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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_VectorDriver::GetID()
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{
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static Standard_GUID aVectorDriver("FF1BBB04-5D14-4df2-980B-3A668264EA16");
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return aVectorDriver;
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}
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//=======================================================================
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//function : GEOMImpl_VectorDriver
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//purpose :
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//=======================================================================
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GEOMImpl_VectorDriver::GEOMImpl_VectorDriver()
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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_VectorDriver::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_IVector aPI (aFunction);
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Standard_Integer aType = aFunction->GetType();
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if (aType != VECTOR_DX_DY_DZ && aType != VECTOR_TWO_PNT &&
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aType != VECTOR_TANGENT_CURVE_PAR && aType != VECTOR_REVERSE) return 0;
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TopoDS_Shape aShape;
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if (aType == VECTOR_DX_DY_DZ) {
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gp_Pnt P1 = gp::Origin();
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gp_Pnt P2 (aPI.GetDX(), aPI.GetDY(), aPI.GetDZ());
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if (P1.Distance(P2) < Precision::Confusion()) {
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TCollection_AsciiString aMsg ("Can not build vector with length, less than ");
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aMsg += TCollection_AsciiString(Precision::Confusion());
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Standard_ConstructionError::Raise(aMsg.ToCString());
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}
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aShape = BRepBuilderAPI_MakeEdge(P1, P2).Shape();
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}
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else if (aType == VECTOR_TWO_PNT) {
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Handle(GEOM_Function) aRefPnt1 = aPI.GetPoint1();
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Handle(GEOM_Function) aRefPnt2 = aPI.GetPoint2();
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TopoDS_Shape aShape1 = aRefPnt1->GetValue();
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TopoDS_Shape aShape2 = aRefPnt2->GetValue();
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if (aShape1.ShapeType() != TopAbs_VERTEX ||
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aShape2.ShapeType() != TopAbs_VERTEX) return 0;
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if (aShape1.IsSame(aShape2)) {
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Standard_ConstructionError::Raise("The end points must be different");
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}
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TopoDS_Vertex V1 = TopoDS::Vertex(aShape1);
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TopoDS_Vertex V2 = TopoDS::Vertex(aShape2);
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gp_Pnt P1 = BRep_Tool::Pnt(V1);
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gp_Pnt P2 = BRep_Tool::Pnt(V2);
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if (P1.Distance(P2) < Precision::Confusion()) {
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Standard_ConstructionError::Raise("The end points are too close");
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}
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aShape = BRepBuilderAPI_MakeEdge(V1, V2).Shape();
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}
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else if (aType == VECTOR_TANGENT_CURVE_PAR) {
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Handle(GEOM_Function) aRefCurve = aPI.GetCurve();
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TopoDS_Shape aRefShape = aRefCurve->GetValue();
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if (aRefShape.ShapeType() != TopAbs_EDGE) {
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Standard_TypeMismatch::Raise
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("Tangent On Curve creation aborted : curve shape is not an edge");
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}
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Standard_Real aFParam =0., aLParam =0., aParam =0.;
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Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aRefShape), aFParam, aLParam);
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if(aCurve.IsNull()) {
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Standard_TypeMismatch::Raise
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("Tangent On Curve creation aborted : curve is null");
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}
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aParam = aFParam + (aLParam - aFParam) * aPI.GetParameter();
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gp_Pnt aPoint1,aPoint2;
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gp_Vec aVec;
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aCurve->D1(aParam,aPoint1,aVec);
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if(aVec.Magnitude() < gp::Resolution())
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Standard_TypeMismatch::Raise
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("Tangent On Curve creation aborted : invalid value of tangent");
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aPoint2.SetXYZ(aPoint1.XYZ() + aVec.XYZ());
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BRepBuilderAPI_MakeEdge aBuilder(aPoint1,aPoint2);
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if(aBuilder.IsDone())
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aShape = aBuilder.Shape();
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}
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else if (aType == VECTOR_REVERSE) {
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Handle(GEOM_Function) aRefVec = aPI.GetCurve();
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TopoDS_Shape aRefShape = aRefVec->GetValue();
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if (aRefShape.ShapeType() != TopAbs_EDGE) {
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Standard_TypeMismatch::Raise
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("Reversed vector creation aborted : vector shape is not an edge");
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}
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TopoDS_Edge anE = TopoDS::Edge(aRefShape);
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TopoDS_Vertex V1, V2;
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TopExp::Vertices(anE, V1, V2, Standard_True);
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aShape = BRepBuilderAPI_MakeEdge(V2, V1).Shape();
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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_VectorDriver::
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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_IVector aCI( function );
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Standard_Integer aType = function->GetType();
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switch ( aType ) {
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case VECTOR_DX_DY_DZ:
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theOperationName = "VECTOR";
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AddParam( theParams, "Dx", aCI.GetDX() );
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AddParam( theParams, "Dy", aCI.GetDY() );
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AddParam( theParams, "Dz", aCI.GetDZ() );
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break;
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case VECTOR_TWO_PNT: {
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TDF_Label label = Label();
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Handle(GEOM_Object) obj = GEOM_Object::GetObject( label );
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if ( !obj.IsNull() && obj->GetType() == GEOM_EDGE )
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theOperationName = "EDGE";
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else
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theOperationName = "VECTOR";
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AddParam( theParams, "Point 1", aCI.GetPoint1() );
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AddParam( theParams, "Point 2", aCI.GetPoint2() );
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break;
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}
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case VECTOR_TANGENT_CURVE_PAR:
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theOperationName = "MakeTangentOnCurve";
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AddParam( theParams, "Curve", aCI.GetCurve() );
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AddParam( theParams, "Parameter", aCI.GetParameter() );
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break;
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case VECTOR_REVERSE:
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theOperationName = "CHANGE_ORIENTATION";
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AddParam( theParams, "Vector", aCI.GetCurve() );
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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_VectorDriver,GEOM_BaseDriver);
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IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_VectorDriver,GEOM_BaseDriver);
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