1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // GEOM OBJECT : interactive object for Geometry entities visualization
23 // File : GEOM_AISVector.cxx
24 // Author : Julia DOROVSKIKH
27 #include <GEOM_AISVector.hxx>
30 #include <Prs3d_Presentation.hxx>
31 #include <Prs3d_Arrow.hxx>
32 #include <PrsMgr_PresentationManager3d.hxx>
33 #include <Graphic3d_Group.hxx>
34 #include <BRep_Tool.hxx>
37 #include <TopoDS_Edge.hxx>
38 #include <TopoDS_Shape.hxx>
39 #include <TopoDS_Vertex.hxx>
44 IMPLEMENT_STANDARD_HANDLE(GEOM_AISVector, GEOM_AISShape)
45 IMPLEMENT_STANDARD_RTTIEXT(GEOM_AISVector, GEOM_AISShape)
47 //=======================================================================
48 //function : GEOM_AISVector
49 //purpose : Constructor
50 //=======================================================================
51 GEOM_AISVector::GEOM_AISVector (const TopoDS_Shape& theShape, const Standard_CString theName)
52 : GEOM_AISShape(theShape, theName)
56 //=======================================================================
58 //purpose : Compute a presentation
59 //=======================================================================
60 void GEOM_AISVector::Compute (const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
61 const Handle(Prs3d_Presentation)& thePrs,
62 const Standard_Integer theMode)
64 GEOM_AISShape::Compute(thePresentationManager, thePrs, theMode);
66 if (myshape.ShapeType() == TopAbs_EDGE)
68 TopoDS_Vertex aV1, aV2;
69 TopoDS_Edge anEdgeE = TopoDS::Edge(myshape);
70 TopExp::Vertices(anEdgeE, aV1, aV2);
71 gp_Pnt aP1 = BRep_Tool::Pnt(aV1);
72 gp_Pnt aP2 = BRep_Tool::Pnt(aV2);
74 gp_Vec aVec (aP1, aP2);
75 Standard_Real aDist = aVec.Magnitude();
76 if (aDist > gp::Resolution())
80 Handle(Graphic3d_Group) aG = Prs3d_Root::CurrentGroup(thePrs);
82 //thePrs->Color(myShadingColor.Name());
83 //aG->BeginPrimitives();
84 Prs3d_Arrow::Draw(thePrs, aP2, aDir, PI/180.*5., aDist/10.);
85 //aG->EndPrimitives();
88 //thePrs->ReCompute(); // for hidden line recomputation if necessary...