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 <Select3D_SensitiveBox.hxx>
42 #include <Select3D_SensitiveSegment.hxx>
43 #include <SelectMgr_EntityOwner.hxx>
44 #include <SelectMgr_Selection.hxx>
45 #include <Standard_DomainError.hxx>
46 #include <Standard_NotImplemented.hxx>
47 #include <Standard_Type.hxx>
48 #include <TCollection_AsciiString.hxx>
49 #include <TCollection_ExtendedString.hxx>
51 #include <TopoDS_Shape.hxx>
53 IMPLEMENT_STANDARD_RTTIEXT(AIS_ParallelRelation,AIS_Relation)
55 //=======================================================================
56 //function : Constructor
58 //=======================================================================
59 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
60 const TopoDS_Shape& aSShape,
61 const Handle(Geom_Plane)& aPlane)
66 myAutomaticPosition = Standard_True;
68 mySymbolPrs = DsgPrs_AS_BOTHAR;
71 //=======================================================================
72 //function : Constructor
74 //=======================================================================
75 AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
76 const TopoDS_Shape& aSShape,
77 const Handle(Geom_Plane)& aPlane,
78 const gp_Pnt& aPosition,
79 const DsgPrs_ArrowSide aSymbolPrs,
80 const Standard_Real anArrowSize)
85 myAutomaticPosition = Standard_False;
86 SetArrowSize( anArrowSize );
87 myPosition = aPosition;
88 mySymbolPrs = aSymbolPrs;
91 //=======================================================================
94 //=======================================================================
95 void AIS_ParallelRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
96 const Handle(Prs3d_Presentation)& aPresentation,
97 const Standard_Integer)
99 switch (myFShape.ShapeType())
103 // cas longueur entre deux faces
104 ComputeTwoFacesParallel(aPresentation);
109 // cas longueur entre deux edges
110 ComputeTwoEdgesParallel(aPresentation);
118 //=======================================================================
119 //function : ComputeSelection
121 //=======================================================================
122 void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
123 const Standard_Integer)
125 gp_Lin L1 (myFAttach,myDirAttach);
126 gp_Lin L2 (mySAttach,myDirAttach);
127 gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,myPosition),L1);
128 gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,myPosition),L2);
131 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
133 if (!Proj1.IsEqual(Proj2,Precision::Confusion()))
135 L3 = gce_MakeLin(Proj1,Proj2);
139 L3 = gce_MakeLin(Proj1,myDirAttach);
140 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
141 Handle(Select3D_SensitiveBox) box =
142 new Select3D_SensitiveBox(own,
148 myPosition.Z()+size);
149 aSelection->Add(box);
151 Standard_Real parmin,parmax,parcur;
152 parmin = ElCLib::Parameter(L3,Proj1);
155 parcur = ElCLib::Parameter(L3,Proj2);
156 parmin = Min(parmin,parcur);
157 parmax = Max(parmax,parcur);
159 parcur = ElCLib::Parameter(L3,myPosition);
160 parmin = Min(parmin,parcur);
161 parmax = Max(parmax,parcur);
163 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
164 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
166 Handle(Select3D_SensitiveSegment) seg;
168 if (!PointMin.IsEqual(PointMax,Precision::Confusion()))
170 seg = new Select3D_SensitiveSegment(own,
173 aSelection->Add(seg);
175 if (!myFAttach.IsEqual(Proj1,Precision::Confusion()))
177 seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1);
178 aSelection->Add(seg);
180 if (!mySAttach.IsEqual(Proj2,Precision::Confusion()))
182 seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2);
183 aSelection->Add(seg);
187 //=======================================================================
188 //function : ComputeTwoFacesParallel
190 //=======================================================================
191 void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&)
193 throw Standard_NotImplemented("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented");
196 //=======================================================================
197 //function : ComputeTwoEdgesParallel
199 //=======================================================================
200 void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation)
202 TopoDS_Edge E1 = TopoDS::Edge(myFShape);
203 TopoDS_Edge E2 = TopoDS::Edge(mySShape);
205 gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d;
206 Handle(Geom_Curve) geom1,geom2;
207 Standard_Boolean isInfinite1,isInfinite2;
208 Handle(Geom_Curve) extCurv;
209 if (!AIS::ComputeGeometry(E1,E2,myExtShape,
211 ptat11,ptat12,ptat21,ptat22,
213 isInfinite1,isInfinite2,
219 aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0));
223 Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False;
225 if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
227 Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1));
228 // construct lines through focuses
229 gp_Ax1 elAx = geom_el1->XAxis();
231 Standard_Real focex = geom_el1->MajorRadius() - geom_el1->Focal()/2.0;
232 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
233 ptat11 = geom_el1->Focus1().Translated(transvec);
234 ptat12 = geom_el1->Focus2().Translated(-transvec);
235 isEl1 = Standard_True;
237 else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line)))
239 Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1));
240 l1 = geom_lin1->Lin();
244 if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
246 Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2));
247 // construct lines through focuses
248 gp_Ax1 elAx = geom_el2->XAxis();
250 Standard_Real focex = geom_el2->MajorRadius() - geom_el2->Focal()/2.0;
251 gp_Vec transvec = gp_Vec(elAx.Direction())*focex;
252 ptat21 = geom_el2->Focus1().Translated(transvec);
253 ptat22 = geom_el2->Focus2().Translated(-transvec);
254 isEl2 = Standard_True;
256 else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line)))
258 Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2));
259 l2 = geom_lin2->Lin();
263 const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1);
264 const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2);
266 myDirAttach = l1.Direction();
268 if( !myArrowSizeIsDefined ) {
269 Standard_Real arrSize1 (myArrowSize), arrSize2 (myArrowSize);
270 if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/50.;
271 if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/50.;
272 myArrowSize = Max(myArrowSize,Max(arrSize1,arrSize2));
273 // myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2));
276 if ( myAutomaticPosition )
281 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2);
282 curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.);
284 else if ( !isInfinite2 )
286 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1);
287 curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.);
291 curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.);
293 // offset pour eviter confusion Edge et Dimension
294 gp_Vec offset (myDirAttach);
295 offset = offset*myArrowSize*(-10.);
296 curpos.Translate(offset);
300 // recherche points attache
305 if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12;
306 else myFAttach = ptat11;
310 if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12;
311 else myFAttach = ptat11;
316 myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1);
323 if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22;
324 else mySAttach = ptat21;
328 if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22;
329 else mySAttach = ptat21;
334 mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2);
336 TCollection_ExtendedString aText (" //");
338 if (l1.Distance(l2) <= Precision::Confusion())
342 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
343 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
344 arr->SetLength(myArrowSize);
345 arr = la->ArrowAspect();
346 arr->SetLength(myArrowSize);
347 if ( myExtShape == 1)
348 mySymbolPrs = DsgPrs_AS_FIRSTPT_LASTAR;
349 else if ( myExtShape == 2)
350 mySymbolPrs = DsgPrs_AS_FIRSTAR_LASTPT;
352 DsgPrs_LengthPresentation::Add(aPresentation,
360 if ( (myExtShape != 0) && !extCurv.IsNull())
363 if ( myExtShape == 1 )
370 ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl);
379 ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl);