1 // Created on: 1996-12-05
2 // Created by: Flore Lantheaume/Odile Olivier
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
19 #include <AIS_Chamf2dDimension.hxx>
20 #include <Bnd_Box.hxx>
21 #include <BRepAdaptor_Surface.hxx>
22 #include <BRepBndLib.hxx>
23 #include <BRepTools_WireExplorer.hxx>
24 #include <DsgPrs_Chamf2dPresentation.hxx>
26 #include <Geom_Line.hxx>
27 #include <Geom_Plane.hxx>
28 #include <Geom_Transformation.hxx>
33 #include <Precision.hxx>
34 #include <ProjLib.hxx>
35 #include <Prs3d_ArrowAspect.hxx>
36 #include <Prs3d_DimensionAspect.hxx>
37 #include <Prs3d_Drawer.hxx>
38 #include <Prs3d_Presentation.hxx>
39 #include <Prs3d_Projector.hxx>
40 #include <Select3D_SensitiveBox.hxx>
41 #include <Select3D_SensitiveSegment.hxx>
42 #include <SelectMgr_EntityOwner.hxx>
43 #include <SelectMgr_Selection.hxx>
44 #include <Standard_NotImplemented.hxx>
45 #include <Standard_Type.hxx>
46 #include <TCollection_AsciiString.hxx>
47 #include <TCollection_ExtendedString.hxx>
48 #include <TopAbs_Orientation.hxx>
50 #include <TopoDS_Edge.hxx>
51 #include <TopoDS_Shape.hxx>
53 IMPLEMENT_STANDARD_RTTIEXT(AIS_Chamf2dDimension,AIS_Relation)
55 //=======================================================================
56 //function : Constructor
58 //=======================================================================
59 AIS_Chamf2dDimension::AIS_Chamf2dDimension(const TopoDS_Shape& aFShape,
60 const Handle(Geom_Plane)& aPlane,
61 const Standard_Real aVal,
62 const TCollection_ExtendedString& aText)
69 mySymbolPrs = DsgPrs_AS_LASTAR;
70 myAutomaticPosition = Standard_True;
72 myArrowSize = myVal / 100.;
74 //=======================================================================
75 //function : Constructor
77 //=======================================================================
78 AIS_Chamf2dDimension::AIS_Chamf2dDimension(const TopoDS_Shape& aFShape,
79 const Handle(Geom_Plane)& aPlane,
80 const Standard_Real aVal,
81 const TCollection_ExtendedString& aText,
82 const gp_Pnt& aPosition,
83 const DsgPrs_ArrowSide aSymbolPrs ,
84 const Standard_Real anArrowSize)
91 myPosition = aPosition;
92 mySymbolPrs = aSymbolPrs;
93 SetArrowSize( anArrowSize );
94 myAutomaticPosition = Standard_False;
98 //=======================================================================
101 //=======================================================================
103 void AIS_Chamf2dDimension::Compute(const Handle(PrsMgr_PresentationManager3d)& ,
104 const Handle(Prs3d_Presentation)& aPresentation,
105 const Standard_Integer)
107 aPresentation->Clear();
109 Handle(Geom_Line) glin;
111 const TopoDS_Edge& thechamfedge = TopoDS::Edge(myFShape);
112 if (!AIS::ComputeGeometry(thechamfedge, glin,pfirst,plast) )
116 gp_Dir dir1 (glin->Position().Direction());
117 gp_Dir norm1 = myPlane->Pln().Axis().Direction();
118 myDir = norm1.Crossed(dir1);
121 //-------------------------------------------------
122 // calcul d'une direction orthogonale a l'edge du
123 // chanfrein et dirigee vers l'ext. du contour
124 //-------------------------------------------------
127 // recup. d'une edge adjacente a l'edge du chanfrein
128 /*TopoDS_Edge nextedge = TopoDS::Edge(mySShape);
130 gp_Pnt pfirstnext,plastnext;
131 Handle(Geom_Line) glinnext;
132 if (!AIS::ComputeGeometry(nextedge,glinnext,pfirstnext,plastnext) )
135 gp_Vec v1(pfirst,plast);
137 if (pfirst.IsEqual(plastnext, Precision::Confusion()))
138 v2.SetXYZ(pfirstnext.XYZ() - pfirst.XYZ());
140 v2.SetXYZ(plastnext.XYZ() - pfirst.XYZ());
141 gp_Vec crossvec = v1.Crossed(v2);
143 myDir = dimserv.GetDirection().Crossed(glin->Position().Direction());
144 if (crossvec.Dot(dimserv.GetDirection()) > 0 )
145 myDir.Reverse();*/ // myDir => donne a la creation
147 //--------------------------------------------
148 //Calcul du point de positionnement du texte
149 //--------------------------------------------
151 if (myAutomaticPosition) {
152 myPntAttach.SetXYZ((pfirst.XYZ()+plast.XYZ())/2);
153 gp_Vec transVec(myDir);
155 curpos = myPntAttach.Translated(transVec);
158 curpos = AIS::TranslatePointToBound( curpos, myDir, myBndBox );
164 myPntAttach.SetXYZ((pfirst.XYZ()+plast.XYZ())/2);
165 Handle(Geom_Line) dimLin = new Geom_Line(myPntAttach, myDir);
166 Standard_Real parcurpos = ElCLib::Parameter(dimLin->Lin(),myPosition);
167 curpos = ElCLib::Value(parcurpos,dimLin->Lin());
168 //static Standard_Real minlength = 0.005;
169 //taille minimale de la dimension
171 if ( curpos.Distance(myPntAttach) < 5. ) {
172 gp_Vec transVec(myDir);
174 curpos = myPntAttach.Translated(transVec);
179 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
180 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
182 //-------------------------------------------------
183 //Calcul de la boite englobante du component pour
184 //determiner la taille de la fleche
185 //-------------------------------------------------
187 if( !myArrowSizeIsDefined ) {
188 Standard_Real arrsize = myArrowSize;
189 if ( (myVal/4) < arrsize)
193 else if (arrsize < 8.)
195 myArrowSize = arrsize;
197 arr->SetLength(myArrowSize);
199 //Calcul de la presentation
200 DsgPrs_Chamf2dPresentation::Add(aPresentation,
209 //=======================================================================
211 //purpose : to avoid warning
212 //=======================================================================
214 void AIS_Chamf2dDimension::Compute(const Handle(Prs3d_Projector)& aProjector,
215 const Handle(Prs3d_Presentation)& aPresentation)
217 // Standard_NotImplemented::Raise("AIS_Chamf2dDimension::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
218 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
221 void AIS_Chamf2dDimension::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation)
223 // Standard_NotImplemented::Raise("AIS_Chamf2dDimension::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
224 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
227 //=======================================================================
228 //function : ComputeSelection
230 //=======================================================================
232 void AIS_Chamf2dDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
233 const Standard_Integer)
235 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
236 Handle(Select3D_SensitiveSegment) seg = new Select3D_SensitiveSegment(own,myPntAttach,myPosition);
237 aSelection->Add(seg);
240 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
241 Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox( own,
245 myPosition.X() + size,
246 myPosition.Y() + size,
247 myPosition.Z() + size);
248 aSelection->Add(box);