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 switch (myFShape.ShapeType())
105 // cas longueur entre deux faces
106 ComputeTwoFacesParallel(aPresentation);
111 // cas longueur entre deux edges
112 ComputeTwoEdgesParallel(aPresentation);
120 //=======================================================================
122 //purpose : to avoid warning
123 //=======================================================================
124 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
125 const Handle(Prs3d_Presentation)& aPresentation)
127 // throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
128 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
131 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation)
133 // throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
134 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
137 //=======================================================================
138 //function : ComputeSelection
140 //=======================================================================
141 void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
142 const Standard_Integer)
144 gp_Lin L1 (myFAttach,myDirAttach);
145 gp_Lin L2 (mySAttach,myDirAttach);
146 gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,myPosition),L1);
147 gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,myPosition),L2);
150 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
152 if (!Proj1.IsEqual(Proj2,Precision::Confusion()))
154 L3 = gce_MakeLin(Proj1,Proj2);
158 L3 = gce_MakeLin(Proj1,myDirAttach);
159 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
160 Handle(Select3D_SensitiveBox) box =
161 new Select3D_SensitiveBox(own,
167 myPosition.Z()+size);
168 aSelection->Add(box);
170 Standard_Real parmin,parmax,parcur;
171 parmin = ElCLib::Parameter(L3,Proj1);
174 parcur = ElCLib::Parameter(L3,Proj2);
175 parmin = Min(parmin,parcur);
176 parmax = Max(parmax,parcur);
178 parcur = ElCLib::Parameter(L3,myPosition);
179 parmin = Min(parmin,parcur);
180 parmax = Max(parmax,parcur);
182 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
183 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
185 Handle(Select3D_SensitiveSegment) seg;
187 if (!PointMin.IsEqual(PointMax,Precision::Confusion()))
189 seg = new Select3D_SensitiveSegment(own,
192 aSelection->Add(seg);
194 if (!myFAttach.IsEqual(Proj1,Precision::Confusion()))
196 seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1);
197 aSelection->Add(seg);
199 if (!mySAttach.IsEqual(Proj2,Precision::Confusion()))
201 seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2);
202 aSelection->Add(seg);
206 //=======================================================================
207 //function : ComputeTwoFacesParallel
209 //=======================================================================
210 void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&)
212 throw Standard_NotImplemented("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented");
215 //=======================================================================
216 //function : ComputeTwoEdgesParallel
218 //=======================================================================
219 void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation)
221 TopoDS_Edge E1 = TopoDS::Edge(myFShape);
222 TopoDS_Edge E2 = TopoDS::Edge(mySShape);
224 gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d;
225 Handle(Geom_Curve) geom1,geom2;
226 Standard_Boolean isInfinite1,isInfinite2;
227 Handle(Geom_Curve) extCurv;
228 if (!AIS::ComputeGeometry(E1,E2,myExtShape,
230 ptat11,ptat12,ptat21,ptat22,
232 isInfinite1,isInfinite2,
238 aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0));
242 Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False;
244 if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
246 Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1));
247 // construct lines through focuses
248 gp_Ax1 elAx = geom_el1->XAxis();
250 Standard_Real focex = geom_el1->MajorRadius() - geom_el1->Focal()/2.0;
251 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
252 ptat11 = geom_el1->Focus1().Translated(transvec);
253 ptat12 = geom_el1->Focus2().Translated(-transvec);
254 isEl1 = Standard_True;
256 else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line)))
258 Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1));
259 l1 = geom_lin1->Lin();
263 if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
265 Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2));
266 // construct lines through focuses
267 gp_Ax1 elAx = geom_el2->XAxis();
269 Standard_Real focex = geom_el2->MajorRadius() - geom_el2->Focal()/2.0;
270 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
271 ptat21 = geom_el2->Focus1().Translated(transvec);
272 ptat22 = geom_el2->Focus2().Translated(-transvec);
273 isEl2 = Standard_True;
275 else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line)))
277 Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2));
278 l2 = geom_lin2->Lin();
282 const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1);
283 const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2);
285 myDirAttach = l1.Direction();
287 if( !myArrowSizeIsDefined ) {
288 Standard_Real arrSize1 (myArrowSize), arrSize2 (myArrowSize);
289 if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/50.;
290 if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/50.;
291 myArrowSize = Max(myArrowSize,Max(arrSize1,arrSize2));
292 // myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2));
295 if ( myAutomaticPosition )
300 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2);
301 curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.);
303 else if ( !isInfinite2 )
305 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1);
306 curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.);
310 curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.);
312 // offset pour eviter confusion Edge et Dimension
313 gp_Vec offset (myDirAttach);
314 offset = offset*myArrowSize*(-10.);
315 curpos.Translate(offset);
319 // recherche points attache
324 if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12;
325 else myFAttach = ptat11;
329 if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12;
330 else myFAttach = ptat11;
335 myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1);
342 if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22;
343 else mySAttach = ptat21;
347 if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22;
348 else mySAttach = ptat21;
353 mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2);
355 TCollection_ExtendedString aText (" //");
357 if (l1.Distance(l2) <= Precision::Confusion())
361 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
362 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
363 arr->SetLength(myArrowSize);
364 arr = la->ArrowAspect();
365 arr->SetLength(myArrowSize);
366 if ( myExtShape == 1)
367 mySymbolPrs = DsgPrs_AS_FIRSTPT_LASTAR;
368 else if ( myExtShape == 2)
369 mySymbolPrs = DsgPrs_AS_FIRSTAR_LASTPT;
371 DsgPrs_LengthPresentation::Add(aPresentation,
379 if ( (myExtShape != 0) && !extCurv.IsNull())
382 if ( myExtShape == 1 )
389 ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl);
398 ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl);