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>
52 #include <TopoDS_Shape.hxx>
54 IMPLEMENT_STANDARD_RTTIEXT(AIS_ParallelRelation,AIS_Relation)
56 //=======================================================================
57 //function : Constructor
59 //=======================================================================
60 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
61 const TopoDS_Shape& aSShape,
62 const Handle(Geom_Plane)& aPlane)
67 myAutomaticPosition = Standard_True;
69 mySymbolPrs = DsgPrs_AS_BOTHAR;
72 //=======================================================================
73 //function : Constructor
75 //=======================================================================
76 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
77 const TopoDS_Shape& aSShape,
78 const Handle(Geom_Plane)& aPlane,
79 const gp_Pnt& aPosition,
80 const DsgPrs_ArrowSide aSymbolPrs,
81 const Standard_Real anArrowSize)
86 myAutomaticPosition = Standard_False;
87 SetArrowSize( anArrowSize );
88 myPosition = aPosition;
89 mySymbolPrs = aSymbolPrs;
92 //=======================================================================
95 //=======================================================================
96 void AIS_ParallelRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
97 const Handle(Prs3d_Presentation)& aPresentation,
98 const Standard_Integer)
100 switch (myFShape.ShapeType())
104 // cas longueur entre deux faces
105 ComputeTwoFacesParallel(aPresentation);
110 // cas longueur entre deux edges
111 ComputeTwoEdgesParallel(aPresentation);
119 //=======================================================================
121 //purpose : to avoid warning
122 //=======================================================================
123 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
124 const Handle(Prs3d_Presentation)& aPresentation)
126 // throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
127 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
130 void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation)
132 // throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
133 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
136 //=======================================================================
137 //function : ComputeSelection
139 //=======================================================================
140 void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
141 const Standard_Integer)
143 gp_Lin L1 (myFAttach,myDirAttach);
144 gp_Lin L2 (mySAttach,myDirAttach);
145 gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,myPosition),L1);
146 gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,myPosition),L2);
149 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
151 if (!Proj1.IsEqual(Proj2,Precision::Confusion()))
153 L3 = gce_MakeLin(Proj1,Proj2);
157 L3 = gce_MakeLin(Proj1,myDirAttach);
158 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
159 Handle(Select3D_SensitiveBox) box =
160 new Select3D_SensitiveBox(own,
166 myPosition.Z()+size);
167 aSelection->Add(box);
169 Standard_Real parmin,parmax,parcur;
170 parmin = ElCLib::Parameter(L3,Proj1);
173 parcur = ElCLib::Parameter(L3,Proj2);
174 parmin = Min(parmin,parcur);
175 parmax = Max(parmax,parcur);
177 parcur = ElCLib::Parameter(L3,myPosition);
178 parmin = Min(parmin,parcur);
179 parmax = Max(parmax,parcur);
181 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
182 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
184 Handle(Select3D_SensitiveSegment) seg;
186 if (!PointMin.IsEqual(PointMax,Precision::Confusion()))
188 seg = new Select3D_SensitiveSegment(own,
191 aSelection->Add(seg);
193 if (!myFAttach.IsEqual(Proj1,Precision::Confusion()))
195 seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1);
196 aSelection->Add(seg);
198 if (!mySAttach.IsEqual(Proj2,Precision::Confusion()))
200 seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2);
201 aSelection->Add(seg);
205 //=======================================================================
206 //function : ComputeTwoFacesParallel
208 //=======================================================================
209 void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&)
211 throw Standard_NotImplemented("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented");
214 //=======================================================================
215 //function : ComputeTwoEdgesParallel
217 //=======================================================================
218 void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation)
220 TopoDS_Edge E1 = TopoDS::Edge(myFShape);
221 TopoDS_Edge E2 = TopoDS::Edge(mySShape);
223 gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d;
224 Handle(Geom_Curve) geom1,geom2;
225 Standard_Boolean isInfinite1,isInfinite2;
226 Handle(Geom_Curve) extCurv;
227 if (!AIS::ComputeGeometry(E1,E2,myExtShape,
229 ptat11,ptat12,ptat21,ptat22,
231 isInfinite1,isInfinite2,
237 aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0));
241 Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False;
243 if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
245 Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1));
246 // construct lines through focuses
247 gp_Ax1 elAx = geom_el1->XAxis();
249 Standard_Real focex = geom_el1->MajorRadius() - geom_el1->Focal()/2.0;
250 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
251 ptat11 = geom_el1->Focus1().Translated(transvec);
252 ptat12 = geom_el1->Focus2().Translated(-transvec);
253 isEl1 = Standard_True;
255 else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line)))
257 Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1));
258 l1 = geom_lin1->Lin();
262 if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
264 Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2));
265 // construct lines through focuses
266 gp_Ax1 elAx = geom_el2->XAxis();
268 Standard_Real focex = geom_el2->MajorRadius() - geom_el2->Focal()/2.0;
269 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
270 ptat21 = geom_el2->Focus1().Translated(transvec);
271 ptat22 = geom_el2->Focus2().Translated(-transvec);
272 isEl2 = Standard_True;
274 else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line)))
276 Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2));
277 l2 = geom_lin2->Lin();
281 const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1);
282 const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2);
284 myDirAttach = l1.Direction();
286 if( !myArrowSizeIsDefined ) {
287 Standard_Real arrSize1 (myArrowSize), arrSize2 (myArrowSize);
288 if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/50.;
289 if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/50.;
290 myArrowSize = Max(myArrowSize,Max(arrSize1,arrSize2));
291 // myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2));
294 if ( myAutomaticPosition )
299 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2);
300 curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.);
302 else if ( !isInfinite2 )
304 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1);
305 curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.);
309 curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.);
311 // offset pour eviter confusion Edge et Dimension
312 gp_Vec offset (myDirAttach);
313 offset = offset*myArrowSize*(-10.);
314 curpos.Translate(offset);
318 // recherche points attache
323 if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12;
324 else myFAttach = ptat11;
328 if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12;
329 else myFAttach = ptat11;
334 myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1);
341 if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22;
342 else mySAttach = ptat21;
346 if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22;
347 else mySAttach = ptat21;
352 mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2);
354 TCollection_ExtendedString aText (" //");
356 if (l1.Distance(l2) <= Precision::Confusion())
360 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
361 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
362 arr->SetLength(myArrowSize);
363 arr = la->ArrowAspect();
364 arr->SetLength(myArrowSize);
365 if ( myExtShape == 1)
366 mySymbolPrs = DsgPrs_AS_FIRSTPT_LASTAR;
367 else if ( myExtShape == 2)
368 mySymbolPrs = DsgPrs_AS_FIRSTAR_LASTPT;
370 DsgPrs_LengthPresentation::Add(aPresentation,
378 if ( (myExtShape != 0) && !extCurv.IsNull())
381 if ( myExtShape == 1 )
388 ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl);
397 ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl);