0029814: Modeling Data - add method TopoDS_Shape::NbChildren() for simple check of...
[occt.git] / src / AIS / AIS_ParallelRelation.cxx
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b311480e 1// Created on: 1996-12-05
2// Created by: Jean-Pierre COMBE/Odile Olivier
3// Copyright (c) 1996-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
7fd59977 17
18#include <AIS.hxx>
42cf5bc1 19#include <AIS_ParallelRelation.hxx>
7fd59977 20#include <BRep_Tool.hxx>
7fd59977 21#include <BRepAdaptor_Curve.hxx>
42cf5bc1 22#include <BRepAdaptor_Surface.hxx>
23#include <DsgPrs_LengthPresentation.hxx>
7fd59977 24#include <ElCLib.hxx>
7fd59977 25#include <gce_MakeLin.hxx>
7fd59977 26#include <Geom_Ellipse.hxx>
42cf5bc1 27#include <Geom_Line.hxx>
28#include <Geom_Plane.hxx>
29#include <Geom_Transformation.hxx>
30#include <gp_Ax1.hxx>
31#include <gp_Ax2.hxx>
32#include <gp_Dir.hxx>
33#include <gp_Lin.hxx>
34#include <gp_Pln.hxx>
35#include <gp_Pnt.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>
42cf5bc1 51#include <TopoDS.hxx>
52#include <TopoDS_Shape.hxx>
7fd59977 53
92efcf78 54IMPLEMENT_STANDARD_RTTIEXT(AIS_ParallelRelation,AIS_Relation)
55
7fd59977 56//=======================================================================
57//function : Constructor
58//purpose :
59//=======================================================================
60AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape,
61 const TopoDS_Shape& aSShape,
62 const Handle(Geom_Plane)& aPlane)
63{
64 myFShape = aFShape;
65 mySShape = aSShape;
66 myPlane = aPlane;
67 myAutomaticPosition = Standard_True;
68 myArrowSize = 0.01;
69 mySymbolPrs = DsgPrs_AS_BOTHAR;
70}
71
72//=======================================================================
73//function : Constructor
74//purpose :
75//=======================================================================
76AIS_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)
82{
83 myFShape = aFShape;
84 mySShape = aSShape;
85 myPlane = aPlane;
86 myAutomaticPosition = Standard_False;
7fd59977 87 SetArrowSize( anArrowSize );
7fd59977 88 myPosition = aPosition;
89 mySymbolPrs = aSymbolPrs;
90}
91
92//=======================================================================
93//function : Compute
94//purpose :
95//=======================================================================
96void AIS_ParallelRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
97 const Handle(Prs3d_Presentation)& aPresentation,
98 const Standard_Integer)
99{
7fd59977 100 switch (myFShape.ShapeType())
101 {
102 case TopAbs_FACE :
103 {
104 // cas longueur entre deux faces
105 ComputeTwoFacesParallel(aPresentation);
106 }
107 break;
108 case TopAbs_EDGE :
109 {
110 // cas longueur entre deux edges
111 ComputeTwoEdgesParallel(aPresentation);
112 }
113 break;
114 default:
115 break;
116 }
117}
118
119//=======================================================================
120//function : Compute
121//purpose : to avoid warning
122//=======================================================================
123void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
124 const Handle(Prs3d_Presentation)& aPresentation)
125{
9775fa61 126// throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
7fd59977 127 PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
128}
129
857ffd5e 130void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation)
7fd59977 131{
9775fa61 132// throw Standard_NotImplemented("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
7fd59977 133 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
134}
135
136//=======================================================================
137//function : ComputeSelection
138//purpose :
139//=======================================================================
140void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
141 const Standard_Integer)
142{
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);
147
148 gp_Lin L3;
149 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
150
151 if (!Proj1.IsEqual(Proj2,Precision::Confusion()))
152 {
153 L3 = gce_MakeLin(Proj1,Proj2);
154 }
155 else
156 {
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,
161 myPosition.X(),
162 myPosition.Y(),
163 myPosition.Z(),
164 myPosition.X()+size,
165 myPosition.Y()+size,
166 myPosition.Z()+size);
167 aSelection->Add(box);
168 }
169 Standard_Real parmin,parmax,parcur;
170 parmin = ElCLib::Parameter(L3,Proj1);
171 parmax = parmin;
172
173 parcur = ElCLib::Parameter(L3,Proj2);
174 parmin = Min(parmin,parcur);
175 parmax = Max(parmax,parcur);
176
177 parcur = ElCLib::Parameter(L3,myPosition);
178 parmin = Min(parmin,parcur);
179 parmax = Max(parmax,parcur);
180
181 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
182 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
183
184 Handle(Select3D_SensitiveSegment) seg;
185
186 if (!PointMin.IsEqual(PointMax,Precision::Confusion()))
187 {
188 seg = new Select3D_SensitiveSegment(own,
189 PointMin,
190 PointMax);
191 aSelection->Add(seg);
192 }
193 if (!myFAttach.IsEqual(Proj1,Precision::Confusion()))
194 {
195 seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1);
196 aSelection->Add(seg);
197 }
198 if (!mySAttach.IsEqual(Proj2,Precision::Confusion()))
199 {
200 seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2);
201 aSelection->Add(seg);
202 }
203}
204
205//=======================================================================
206//function : ComputeTwoFacesParallel
207//purpose :
208//=======================================================================
209void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&)
210{
9775fa61 211 throw Standard_NotImplemented("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented");
7fd59977 212}
213
214//=======================================================================
215//function : ComputeTwoEdgesParallel
216//purpose :
217//=======================================================================
218void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation)
219{
220 TopoDS_Edge E1 = TopoDS::Edge(myFShape);
221 TopoDS_Edge E2 = TopoDS::Edge(mySShape);
222
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,
228 geom1,geom2,
229 ptat11,ptat12,ptat21,ptat22,
230 extCurv,
231 isInfinite1,isInfinite2,
232 myPlane))
233 {
234 return;
235 }
236
237 aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0));
238
239 gp_Lin l1;
240 gp_Lin l2;
241 Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False;
242
243 if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
244 {
c5f3a425 245 Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1));
7fd59977 246 // construct lines through focuses
247 gp_Ax1 elAx = geom_el1->XAxis();
248 l1 = gp_Lin(elAx);
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;
254 }
255 else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line)))
256 {
c5f3a425 257 Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1));
7fd59977 258 l1 = geom_lin1->Lin();
259 }
260 else return;
261
262 if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse)))
263 {
c5f3a425 264 Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2));
7fd59977 265 // construct lines through focuses
266 gp_Ax1 elAx = geom_el2->XAxis();
267 l2 = gp_Lin(elAx);
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;
273 }
274 else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line)))
275 {
c5f3a425 276 Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2));
7fd59977 277 l2 = geom_lin2->Lin();
278 }
279 else return;
280
281 const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1);
282 const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2);
283
284 myDirAttach = l1.Direction();
285 // size
7fd59977 286 if( !myArrowSizeIsDefined ) {
7fd59977 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));
7fd59977 292 }
7fd59977 293
294 if ( myAutomaticPosition )
295 {
296 gp_Pnt curpos;
297 if ( !isInfinite1 )
298 {
299 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2);
300 curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.);
301 }
302 else if ( !isInfinite2 )
303 {
304 gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1);
305 curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.);
306 }
307 else
308 {
309 curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.);
310 }
311 // offset pour eviter confusion Edge et Dimension
312 gp_Vec offset (myDirAttach);
313 offset = offset*myArrowSize*(-10.);
314 curpos.Translate(offset);
315 myPosition = curpos;
316 }
317
318 // recherche points attache
319 if (!isInfinite1)
320 {
321 if ( isEl1 )
322 {
323 if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12;
324 else myFAttach = ptat11;
325 }
326 else
327 {
328 if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12;
329 else myFAttach = ptat11;
330 }
331 }
332 else
333 {
334 myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1);
335 }
336
337 if (!isInfinite2)
338 {
339 if ( isEl2 )
340 {
341 if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22;
342 else mySAttach = ptat21;
343 }
344 else
345 {
346 if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22;
347 else mySAttach = ptat21;
348 }
349 }
350 else
351 {
352 mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2);
353 }
354 TCollection_ExtendedString aText (" //");
355
356 if (l1.Distance(l2) <= Precision::Confusion())
357 {
358 myArrowSize = 0.;
359 }
a6eb515f 360 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
361 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
7fd59977 362 arr->SetLength(myArrowSize);
a6eb515f 363 arr = la->ArrowAspect();
7fd59977 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;
369
370 DsgPrs_LengthPresentation::Add(aPresentation,
371 myDrawer,
372 aText,
373 myFAttach,
374 mySAttach,
375 myDirAttach,
376 myPosition,
377 mySymbolPrs);
378 if ( (myExtShape != 0) && !extCurv.IsNull())
379 {
380 gp_Pnt pf, pl;
381 if ( myExtShape == 1 )
382 {
383 if (!isInfinite1)
384 {
385 pf = ptat11;
386 pl = ptat12;
387 }
388 ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl);
389 }
390 else
391 {
392 if (!isInfinite2)
393 {
394 pf = ptat21;
395 pl = ptat22;
396 }
397 ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl);
398 }
399 }
400}