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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
// Copyright (C) 2007-2008 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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// GEOM OBJECT : interactive object for Geometry entities visualization
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// File : GEOM_AISVector.cxx
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// Author : Julia DOROVSKIKH
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// $Header$
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//
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#include <GEOM_AISVector.hxx>
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// OCCT Includes
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#include <Prs3d_Presentation.hxx>
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#include <Prs3d_Arrow.hxx>
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#include <PrsMgr_PresentationManager3d.hxx>
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#include <Graphic3d_Group.hxx>
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#include <BRep_Tool.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_Dir.hxx>
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#include <gp_Vec.hxx>
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IMPLEMENT_STANDARD_HANDLE(GEOM_AISVector, GEOM_AISShape)
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IMPLEMENT_STANDARD_RTTIEXT(GEOM_AISVector, GEOM_AISShape)
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//=======================================================================
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//function : GEOM_AISVector
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//purpose : Constructor
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//=======================================================================
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GEOM_AISVector::GEOM_AISVector (const TopoDS_Shape& theShape, const Standard_CString theName)
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: GEOM_AISShape(theShape, theName)
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{
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}
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//=======================================================================
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//function : Compute
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//purpose : Compute a presentation
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//=======================================================================
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void GEOM_AISVector::Compute (const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
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const Handle(Prs3d_Presentation)& thePrs,
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const Standard_Integer theMode)
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{
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GEOM_AISShape::Compute(thePresentationManager, thePrs, theMode);
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if (myshape.ShapeType() == TopAbs_EDGE)
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{
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TopoDS_Vertex aV1, aV2;
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TopoDS_Edge anEdgeE = TopoDS::Edge(myshape);
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TopExp::Vertices(anEdgeE, aV1, aV2);
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gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
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gp_Pnt aP2 = BRep_Tool::Pnt(aV2);
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gp_Vec aVec (aP1, aP2);
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Standard_Real aDist = aVec.Magnitude();
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if (aDist > gp::Resolution())
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{
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gp_Dir aDir (aVec);
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Handle(Graphic3d_Group) aG = Prs3d_Root::CurrentGroup(thePrs);
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//thePrs->Color(myShadingColor.Name());
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//aG->BeginPrimitives();
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Prs3d_Arrow::Draw(thePrs, aP2, aDir, PI/180.*5., aDist/10.);
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//aG->EndPrimitives();
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}
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}
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//thePrs->ReCompute(); // for hidden line recomputation if necessary...
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}
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