1 // Created on: 1996-12-05
2 // Created by: Jean-Pierre COMBE/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_ParallelRelation.hxx>
20 #include <BRep_Tool.hxx>
21 #include <BRepAdaptor_Curve.hxx>
22 #include <BRepAdaptor_Surface.hxx>
23 #include <DsgPrs_LengthPresentation.hxx>
25 #include <gce_MakeLin.hxx>
26 #include <Geom_Ellipse.hxx>
27 #include <Geom_Line.hxx>
28 #include <Geom_Plane.hxx>
29 #include <Geom_Transformation.hxx>
36 #include <Precision.hxx>
37 #include <Prs3d_ArrowAspect.hxx>
38 #include <Prs3d_DimensionAspect.hxx>
39 #include <Prs3d_Drawer.hxx>
40 #include <Prs3d_Presentation.hxx>
41 #include <Prs3d_Projector.hxx>
42 #include <Select3D_SensitiveBox.hxx>
43 #include <Select3D_SensitiveSegment.hxx>
44 #include <SelectMgr_EntityOwner.hxx>
45 #include <SelectMgr_Selection.hxx>
46 #include <Standard_DomainError.hxx>
47 #include <Standard_NotImplemented.hxx>
48 #include <Standard_Type.hxx>
49 #include <TCollection_AsciiString.hxx>
50 #include <TCollection_ExtendedString.hxx>
51 #include <TopExp_Explorer.hxx>
53 #include <TopoDS_Shape.hxx>
55 IMPLEMENT_STANDARD_RTTIEXT(AIS_ParallelRelation,AIS_Relation)
57 //=======================================================================
58 //function : Constructor
60 //=======================================================================
61 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
62 const TopoDS_Shape& aSShape,
63 const Handle(Geom_Plane)& aPlane)
68 myAutomaticPosition = Standard_True;
70 mySymbolPrs = DsgPrs_AS_BOTHAR;
73 //=======================================================================
74 //function : Constructor
76 //=======================================================================
77 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
78 const TopoDS_Shape& aSShape,
79 const Handle(Geom_Plane)& aPlane,
80 const gp_Pnt& aPosition,
81 const DsgPrs_ArrowSide aSymbolPrs,
82 const Standard_Real anArrowSize)
87 myAutomaticPosition = Standard_False;
88 SetArrowSize( anArrowSize );
89 myPosition = aPosition;
90 mySymbolPrs = aSymbolPrs;
93 //=======================================================================
96 //=======================================================================
97 void AIS_ParallelRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
98 const Handle(Prs3d_Presentation)& aPresentation,
99 const Standard_Integer)
101 aPresentation->Clear();
103 switch (myFShape.ShapeType())
107 // cas longueur entre deux faces
108 ComputeTwoFacesParallel(aPresentation);
113 // cas longueur entre deux edges
114 ComputeTwoEdgesParallel(aPresentation);
122 //=======================================================================
124 //purpose : to avoid warning
125 //=======================================================================
126 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
127 const Handle(Prs3d_Presentation)& aPresentation)
129 // Standard_NotImplemented::Raise("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
130 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
133 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation)
135 // Standard_NotImplemented::Raise("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
136 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
139 //=======================================================================
140 //function : ComputeSelection
142 //=======================================================================
143 void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
144 const Standard_Integer)
146 gp_Lin L1 (myFAttach,myDirAttach);
147 gp_Lin L2 (mySAttach,myDirAttach);
148 gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,myPosition),L1);
149 gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,myPosition),L2);
152 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
154 if (!Proj1.IsEqual(Proj2,Precision::Confusion()))
156 L3 = gce_MakeLin(Proj1,Proj2);
160 L3 = gce_MakeLin(Proj1,myDirAttach);
161 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
162 Handle(Select3D_SensitiveBox) box =
163 new Select3D_SensitiveBox(own,
169 myPosition.Z()+size);
170 aSelection->Add(box);
172 Standard_Real parmin,parmax,parcur;
173 parmin = ElCLib::Parameter(L3,Proj1);
176 parcur = ElCLib::Parameter(L3,Proj2);
177 parmin = Min(parmin,parcur);
178 parmax = Max(parmax,parcur);
180 parcur = ElCLib::Parameter(L3,myPosition);
181 parmin = Min(parmin,parcur);
182 parmax = Max(parmax,parcur);
184 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
185 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
187 Handle(Select3D_SensitiveSegment) seg;
189 if (!PointMin.IsEqual(PointMax,Precision::Confusion()))
191 seg = new Select3D_SensitiveSegment(own,
194 aSelection->Add(seg);
196 if (!myFAttach.IsEqual(Proj1,Precision::Confusion()))
198 seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1);
199 aSelection->Add(seg);
201 if (!mySAttach.IsEqual(Proj2,Precision::Confusion()))
203 seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2);
204 aSelection->Add(seg);
208 //=======================================================================
209 //function : ComputeTwoFacesParallel
211 //=======================================================================
212 void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&)
214 Standard_NotImplemented::Raise("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented");
217 //=======================================================================
218 //function : ComputeTwoEdgesParallel
220 //=======================================================================
221 void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation)
223 TopoDS_Edge E1 = TopoDS::Edge(myFShape);
224 TopoDS_Edge E2 = TopoDS::Edge(mySShape);
226 gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d;
227 Handle(Geom_Curve) geom1,geom2;
228 Standard_Boolean isInfinite1,isInfinite2;
229 Handle(Geom_Curve) extCurv;
230 if (!AIS::ComputeGeometry(E1,E2,myExtShape,
232 ptat11,ptat12,ptat21,ptat22,
234 isInfinite1,isInfinite2,
240 aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0));
244 Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False;
246 if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
248 Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1));
249 // construct lines through focuses
250 gp_Ax1 elAx = geom_el1->XAxis();
252 Standard_Real focex = geom_el1->MajorRadius() - geom_el1->Focal()/2.0;
253 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
254 ptat11 = geom_el1->Focus1().Translated(transvec);
255 ptat12 = geom_el1->Focus2().Translated(-transvec);
256 isEl1 = Standard_True;
258 else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line)))
260 Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1));
261 l1 = geom_lin1->Lin();
265 if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
267 Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2));
268 // construct lines through focuses
269 gp_Ax1 elAx = geom_el2->XAxis();
271 Standard_Real focex = geom_el2->MajorRadius() - geom_el2->Focal()/2.0;
272 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
273 ptat21 = geom_el2->Focus1().Translated(transvec);
274 ptat22 = geom_el2->Focus2().Translated(-transvec);
275 isEl2 = Standard_True;
277 else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line)))
279 Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2));
280 l2 = geom_lin2->Lin();
284 const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1);
285 const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2);
287 myDirAttach = l1.Direction();
289 if( !myArrowSizeIsDefined ) {
290 Standard_Real arrSize1 (myArrowSize), arrSize2 (myArrowSize);
291 if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/50.;
292 if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/50.;
293 myArrowSize = Max(myArrowSize,Max(arrSize1,arrSize2));
294 // myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2));
297 if ( myAutomaticPosition )
302 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2);
303 curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.);
305 else if ( !isInfinite2 )
307 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1);
308 curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.);
312 curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.);
314 // offset pour eviter confusion Edge et Dimension
315 gp_Vec offset (myDirAttach);
316 offset = offset*myArrowSize*(-10.);
317 curpos.Translate(offset);
321 // recherche points attache
326 if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12;
327 else myFAttach = ptat11;
331 if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12;
332 else myFAttach = ptat11;
337 myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1);
344 if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22;
345 else mySAttach = ptat21;
349 if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22;
350 else mySAttach = ptat21;
355 mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2);
357 TCollection_ExtendedString aText (" //");
359 if (l1.Distance(l2) <= Precision::Confusion())
363 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
364 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
365 arr->SetLength(myArrowSize);
366 arr = la->ArrowAspect();
367 arr->SetLength(myArrowSize);
368 if ( myExtShape == 1)
369 mySymbolPrs = DsgPrs_AS_FIRSTPT_LASTAR;
370 else if ( myExtShape == 2)
371 mySymbolPrs = DsgPrs_AS_FIRSTAR_LASTPT;
373 DsgPrs_LengthPresentation::Add(aPresentation,
381 if ( (myExtShape != 0) && !extCurv.IsNull())
384 if ( myExtShape == 1 )
391 ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl);
400 ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl);