1 // Copyright (C) 2007-2015 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, or (at your option) any later version.
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
23 #include <HYDROGUI_Polyline.h>
25 #include <AIS_InteractiveContext.hxx>
26 #include <BRep_Tool.hxx>
27 #include <GCPnts_AbscissaPoint.hxx>
28 #include <GeomAdaptor_Curve.hxx>
29 #include <Graphic3d_AspectLine3d.hxx>
32 #include <Prs3d_Arrow.hxx>
34 #include <TopoDS_Shape.hxx>
36 #include <TopExp_Explorer.hxx>
38 #include <TopoDS_Edge.hxx>
39 #include <TopoDS_Shape.hxx>
40 #include <TopoDS_Vertex.hxx>
41 #include <BRepBndLib.hxx>
42 #include <Precision.hxx>
43 #include <Graphic3d_ArrayOfPolylines.hxx>
44 #include <GCPnts_QuasiUniformDeflection.hxx>
45 #include <BRepAdaptor_Curve.hxx>
46 #include <Prs3d_LineAspect.hxx>
48 IMPLEMENT_STANDARD_HANDLE (HYDROGUI_Polyline, AIS_Shape)
49 IMPLEMENT_STANDARD_RTTIEXT(HYDROGUI_Polyline, AIS_Shape)
52 HYDROGUI_Polyline::HYDROGUI_Polyline(const TopoDS_Shape& shape)
57 HYDROGUI_Polyline::~HYDROGUI_Polyline()
61 Handle( Graphic3d_ArrayOfPolylines ) BuildEdgePresentation( const TopoDS_Edge& theEdge, double theDeviation )
63 BRepAdaptor_Curve aCurveAdaptor( theEdge );
64 GCPnts_QuasiUniformDeflection aPnts( aCurveAdaptor, theDeviation );
66 Handle( Graphic3d_ArrayOfPolylines ) anArray;
70 int n = aPnts.NbPoints();
71 anArray = new Graphic3d_ArrayOfPolylines( n );
72 for( int i=1; i<=n; i++ )
73 anArray->AddVertex( aPnts.Value( i ) );
78 void HYDROGUI_Polyline::Compute(const Handle(PrsMgr_PresentationManager3d)& aPresentationManager,
79 const Handle(Prs3d_Presentation)& aPrs,
80 const Standard_Integer aMode)
82 //AIS_Shape::Compute(aPresentationManager, aPrs, aMode);
85 Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup( aPrs );
86 Quantity_Color aColor;
87 Aspect_TypeOfLine aType;
88 Standard_Real anWidth;
89 Attributes()->LineAspect()->Aspect()->Values( aColor, aType, anWidth );
90 Handle(Graphic3d_AspectLine3d) anAspect = new Graphic3d_AspectLine3d( aColor, aType, anWidth );
92 TopExp_Explorer Exp1 ( myshape, TopAbs_EDGE );
93 for ( ; Exp1.More(); Exp1.Next() )
95 TopoDS_Edge anEdge = TopoDS::Edge( Exp1.Current() );
96 Handle( Graphic3d_ArrayOfPolylines ) anArray = BuildEdgePresentation( anEdge, 0.1 );
97 if( !anArray.IsNull() )
99 aGroup->SetPrimitivesAspect( anAspect );
100 aGroup->AddPrimitiveArray( anArray );
105 TopExp_Explorer Exp ( myshape, TopAbs_EDGE );
106 for ( ; Exp.More(); Exp.Next() ) {
107 TopoDS_Vertex aV1, aV2;
108 TopoDS_Edge anEdge = TopoDS::Edge(Exp.Current());
110 if ( anEdge.IsNull() )
112 TopExp::Vertices(anEdge, aV1, aV2);
113 gp_Pnt aP = BRep_Tool::Pnt(aV1);
116 Handle(Geom_Curve) C = BRep_Tool::Curve(anEdge,aFp,aLp);
121 BRepBndLib::Add(anEdge, aBB);
122 Standard_Real aXmin,aYmin,aZmin,aXmax,aYmax,aZmax;
123 aBB.Get(aXmin,aYmin,aZmin,aXmax,aYmax,aZmax);
124 Standard_Real aLen = Max(Abs(aXmax - aXmin), Max (Abs(aZmax - aZmin), Abs(aYmax - aYmin)));
126 GeomAdaptor_Curve aAdC;
127 aAdC.Load(C, aFp, aLp);
130 int aNbSegments = 20;
131 double aArrLen = aLen / 10.;
132 double anIncr = (aLp-aFp)/aNbSegments;
133 double aMaxRatio = 0;
134 double aMaxRatioStep = 1;
135 for (double t = aFp; t < aLp - anIncr; t += anIncr)
137 aLenC = GCPnts_AbscissaPoint::Length(aAdC, t, t + anIncr);
138 aLenH = C->Value (t).Distance (C->Value (t + anIncr));
139 if ( aLenH / aLenC > aMaxRatio) {
140 aMaxRatio = aLenH / aLenC;
146 if (Abs(aMaxRatioStep) < Precision::Confusion())
148 aMaxRatioStep = (aLp - aFp)/2.0;
152 if (Abs(aLp - aMaxRatioStep) < Precision::Confusion())
154 aMaxRatioStep = (aLp - aFp)/2.0;
158 gp_Pnt aPnt1 = C->Value (aMaxRatioStep);
161 GCPnts_AbscissaPoint aAbsPoint(aAdC, -aArrLen, aMaxRatioStep);
162 double aParam = aAbsPoint.Parameter();
163 gp_Pnt aPnt2 = C->Value (aParam);
164 gp_XYZ D = aPnt1.XYZ();
165 D.Subtract (aPnt2.XYZ());
169 C->D1(aMaxRatioStep, aPnt1, aDir);
171 if ( anEdge.Orientation() == TopAbs_REVERSED )
174 Prs3d_Arrow::Draw(aPrs, aPnt1, aDir, M_PI/180.*12., aArrLen);