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1 | // Created on: 1996-12-05 |
2 | // Created by: Jean-Pierre COMBE/Odile Olivier |
3 | // Copyright (c) 1996-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
17 | #include <Standard_NotImplemented.hxx> |
18 | |
19 | #include <AIS_PerpendicularRelation.ixx> |
20 | |
21 | #include <AIS.hxx> |
22 | |
23 | #include <BRepBuilderAPI_MakeFace.hxx> |
24 | #include <BRepAdaptor_Surface.hxx> |
25 | #include <BRep_Tool.hxx> |
26 | |
27 | #include <DsgPrs_PerpenPresentation.hxx> |
28 | |
29 | #include <ElCLib.hxx> |
30 | |
31 | #include <Geom2d_Line.hxx> |
32 | #include <GeomAPI.hxx> |
33 | #include <Geom_Line.hxx> |
34 | #include <Geom_Line.hxx> |
35 | #include <Geom_Plane.hxx> |
36 | |
37 | #include <IntAna2d_AnaIntersection.hxx> |
38 | #include <IntAna2d_IntPoint.hxx> |
39 | |
40 | #include <Precision.hxx> |
41 | |
42 | #include <Select3D_SensitiveSegment.hxx> |
43 | #include <SelectMgr_EntityOwner.hxx> |
44 | |
45 | #include <TopoDS.hxx> |
46 | #include <TopoDS_Edge.hxx> |
47 | #include <TopoDS_Face.hxx> |
48 | #include <TopoDS_Vertex.hxx> |
49 | |
50 | #include <gce_MakeDir.hxx> |
51 | |
52 | #include <gp_Pln.hxx> |
53 | #include <gp_Pnt.hxx> |
54 | #include <gp_Pnt2d.hxx> |
55 | #include <gp_Trsf.hxx> |
56 | #include <gp_Vec.hxx> |
57 | #include <Geom_Ellipse.hxx> |
58 | |
59 | //======================================================================= |
60 | //function : Constructor |
61 | //purpose : TwoEdgesPerpendicular |
62 | //======================================================================= |
63 | AIS_PerpendicularRelation::AIS_PerpendicularRelation(const TopoDS_Shape& aFShape, |
64 | const TopoDS_Shape& aSShape, |
65 | const Handle(Geom_Plane)& aPlane) |
66 | :AIS_Relation() |
67 | { |
68 | myFShape = aFShape; |
69 | mySShape = aSShape; |
70 | myPlane = aPlane; |
71 | } |
72 | |
73 | //======================================================================= |
74 | //function : Constructor |
75 | //purpose : TwoFacesPerpendicular |
76 | //======================================================================= |
77 | AIS_PerpendicularRelation::AIS_PerpendicularRelation(const TopoDS_Shape& aFShape, |
78 | const TopoDS_Shape& aSShape) |
79 | :AIS_Relation() |
80 | { |
81 | myFShape = aFShape; |
82 | mySShape = aSShape; |
83 | } |
84 | |
85 | //======================================================================= |
86 | //function : Compute |
87 | //purpose : |
88 | //======================================================================= |
89 | void AIS_PerpendicularRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, |
90 | const Handle(Prs3d_Presentation)& aPresentation, |
91 | const Standard_Integer) |
92 | { |
93 | aPresentation->Clear(); |
94 | |
95 | if (myFShape.ShapeType() == mySShape.ShapeType()) { |
96 | switch (myFShape.ShapeType()) { |
97 | case TopAbs_FACE : |
98 | { |
99 | // cas perpendiculaire entre deux faces |
100 | ComputeTwoFacesPerpendicular(aPresentation); |
101 | } |
102 | break; |
103 | case TopAbs_EDGE : |
104 | { |
105 | // cas perpendiculaire entre deux edges |
106 | ComputeTwoEdgesPerpendicular(aPresentation); |
107 | } |
108 | break; |
109 | default: |
110 | break; |
111 | } |
112 | } |
113 | // Cas pas traite - Edge/Face |
114 | } |
115 | |
116 | //======================================================================= |
117 | //function : Compute |
118 | //purpose : to avoid warning |
119 | //======================================================================= |
120 | void AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)& aProjector, |
121 | const Handle(Prs3d_Presentation)& aPresentation) |
122 | { |
123 | // Standard_NotImplemented::Raise("AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); |
124 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; |
125 | } |
126 | |
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127 | void AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation) |
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128 | { |
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129 | // Standard_NotImplemented::Raise("AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)"); |
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130 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; |
131 | } |
132 | |
133 | //======================================================================= |
134 | //function : ComputeSelection |
135 | //purpose : |
136 | //======================================================================= |
137 | void AIS_PerpendicularRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, |
138 | const Standard_Integer) |
139 | { |
140 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); |
141 | const gp_Pnt& pos = myPosition; |
142 | Handle(Select3D_SensitiveSegment) seg; |
143 | Standard_Boolean ok1(Standard_False),ok2(Standard_False); |
144 | |
145 | if (!myFAttach.IsEqual(pos,Precision::Confusion())) { |
146 | seg = new Select3D_SensitiveSegment(own, |
147 | myFAttach, |
148 | pos); |
149 | aSelection->Add(seg); |
150 | ok1 = Standard_True; |
151 | } |
152 | if (!mySAttach.IsEqual(myPosition,Precision::Confusion())) { |
153 | seg = new Select3D_SensitiveSegment(own, |
154 | mySAttach, |
155 | pos); |
156 | aSelection->Add(seg); |
157 | ok2 = Standard_True; |
158 | } |
159 | |
160 | if (ok1 && ok2) { |
161 | gp_Vec vec1(gce_MakeDir(pos,myFAttach)); |
162 | gp_Vec vec2(gce_MakeDir(pos,mySAttach)); |
163 | Standard_Real dist1(pos.Distance(myFAttach)); |
164 | Standard_Real dist2(pos.Distance(mySAttach)); |
165 | vec1 *= dist1; |
166 | vec1 *= .2; |
167 | vec2 *= dist2; |
168 | vec2 *= .2; |
169 | |
170 | gp_Pnt pAx11 = pos.Translated(vec1); |
171 | gp_Pnt pAx22 = pos.Translated(vec2); |
172 | gp_Pnt p_symb = pAx22.Translated(vec1); |
173 | seg = new Select3D_SensitiveSegment(own,pAx11,p_symb); |
174 | aSelection->Add(seg); |
175 | seg = new Select3D_SensitiveSegment(own,p_symb,pAx22); |
176 | aSelection->Add(seg); |
177 | } |
178 | } |
179 | |
180 | //======================================================================= |
181 | //function : ComputeTwoFacesPerpendicular |
182 | //purpose : |
183 | //======================================================================= |
184 | void AIS_PerpendicularRelation::ComputeTwoFacesPerpendicular |
185 | (const Handle(Prs3d_Presentation)& /*aPresentation*/) |
186 | { |
187 | } |
188 | |
189 | //======================================================================= |
190 | //function : ComputeTwoEdgesPerpendicular |
191 | //purpose : |
192 | //======================================================================= |
193 | void AIS_PerpendicularRelation::ComputeTwoEdgesPerpendicular(const Handle(Prs3d_Presentation)& aPresentation) |
194 | { |
195 | // 3d lines |
196 | Handle(Geom_Curve) geom1,geom2; |
197 | gp_Pnt pint3d,p1,p2,pAx1,pAx2,ptat11,ptat12,ptat21,ptat22; |
198 | Standard_Boolean isInfinite1,isInfinite2; |
199 | Handle(Geom_Curve) extCurv; |
200 | if ( !AIS::ComputeGeometry(TopoDS::Edge(myFShape),TopoDS::Edge(mySShape), |
201 | myExtShape, |
202 | geom1,geom2, |
203 | ptat11,ptat12,ptat21,ptat22, |
204 | extCurv, |
205 | isInfinite1,isInfinite2, |
206 | myPlane) ) return; |
207 | |
208 | Standard_Boolean interOut1(Standard_False),interOut2(Standard_False); |
209 | |
210 | Handle(Geom_Line) geom_lin1; |
211 | Handle(Geom_Line) geom_lin2; |
212 | if ( geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)) ) |
213 | { |
214 | const Handle(Geom_Ellipse)& geom_el = (Handle(Geom_Ellipse)&) geom1; |
215 | // construct lines through focuses |
216 | gp_Ax1 elAx = geom_el->XAxis(); |
217 | gp_Lin ll (elAx); |
218 | geom_lin1 = new Geom_Line(ll); |
219 | Standard_Real focex = geom_el->MajorRadius() - geom_el->Focal()/2.0; |
220 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
221 | ptat11 = geom_el->Focus1().Translated(transvec); |
222 | ptat12 = geom_el->Focus2().Translated(-transvec); |
223 | interOut1 = Standard_True; |
224 | } |
225 | else if ( geom1->IsInstance(STANDARD_TYPE(Geom_Line)) ) |
226 | { |
227 | geom_lin1 = (Handle(Geom_Line)&) geom1; |
228 | } |
229 | else return; |
230 | |
231 | if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse))) |
232 | { |
233 | const Handle(Geom_Ellipse)& geom_el = (Handle(Geom_Ellipse)&) geom2; |
234 | // construct lines through focuses |
235 | gp_Ax1 elAx = geom_el->XAxis(); |
236 | gp_Lin ll (elAx); |
237 | geom_lin2 = new Geom_Line(ll); |
238 | Standard_Real focex = geom_el->MajorRadius() - geom_el->Focal()/2.0; |
239 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
240 | ptat21 = geom_el->Focus1().Translated(transvec); |
241 | ptat22 = geom_el->Focus2().Translated(-transvec); |
242 | interOut2 = Standard_True; |
243 | } |
244 | else if ( geom2->IsInstance(STANDARD_TYPE(Geom_Line)) ) |
245 | { |
246 | geom_lin2 = (Handle(Geom_Line)&) geom2; |
247 | } |
248 | else return; |
249 | |
250 | // current face |
251 | BRepBuilderAPI_MakeFace makeface (myPlane->Pln()); |
252 | TopoDS_Face face (makeface.Face()); |
253 | BRepAdaptor_Surface adp (makeface.Face()); |
254 | |
255 | // 2d lines => projection of 3d on current plane |
256 | Handle(Geom2d_Curve) aGeom2dCurve = GeomAPI::To2d(geom_lin1,myPlane->Pln()); |
257 | Handle(Geom2d_Line) lin1_2d = (Handle(Geom2d_Line)&) aGeom2dCurve ; |
258 | aGeom2dCurve = GeomAPI::To2d(geom_lin2,myPlane->Pln()); |
259 | Handle(Geom2d_Line) lin2_2d = (Handle(Geom2d_Line)&) aGeom2dCurve ; |
260 | IntAna2d_AnaIntersection inter(lin1_2d->Lin2d(),lin2_2d->Lin2d()); |
261 | if (!inter.IsDone()) return; |
262 | if (!inter.NbPoints()) return; |
263 | |
264 | gp_Pnt2d pint(inter.Point(1).Value()); |
265 | pint3d = adp.Value(pint.X(),pint.Y()); |
266 | |
267 | myPosition = pint3d; |
268 | // recherche points attache |
269 | Standard_Real par1,par2,curpar,pmin,pmax;//,dist,sign; |
270 | Standard_Real length(0.); |
271 | |
272 | if ( isInfinite1 && isInfinite2 ) |
273 | { |
274 | Standard_Real curpar1 = ElCLib::Parameter(geom_lin1->Lin(),pint3d); |
275 | Standard_Real curpar2 = ElCLib::Parameter(geom_lin2->Lin(),pint3d); |
276 | par1 = par2 = 50.; |
277 | p1 = p2 = pint3d; |
278 | myFAttach = ElCLib::Value(curpar1+par1,geom_lin1->Lin()); |
279 | mySAttach = ElCLib::Value(curpar2+par2,geom_lin2->Lin()); |
280 | } |
281 | else |
282 | { |
283 | Standard_Boolean lengthComputed (Standard_False); |
284 | if ( !isInfinite1 ) |
285 | { |
286 | curpar = ElCLib::Parameter(geom_lin1->Lin(),pint3d); |
287 | par1 = ElCLib::Parameter(geom_lin1->Lin(),ptat11); |
288 | par2 = ElCLib::Parameter(geom_lin1->Lin(),ptat12); |
289 | pmin = Min(par1,par2); |
290 | pmax = Max(par1,par2); |
291 | |
292 | if ( myPosition.SquareDistance(ptat11) > myPosition.SquareDistance(ptat12) ) |
293 | p1 = ptat11; |
294 | else |
295 | p1 = ptat12; |
296 | if ( (curpar < pmin) || (curpar > pmax) ) |
297 | { |
298 | interOut1 = Standard_True; |
299 | } |
300 | if ( !isInfinite2 ) length = 2.*Min(ptat11.Distance(ptat12),ptat21.Distance(ptat22))/5.; |
301 | else length = 2.*ptat11.Distance(ptat12)/5.; |
302 | lengthComputed = Standard_True; |
303 | gp_Vec vec1 (gce_MakeDir(myPosition,p1)); |
304 | vec1.Multiply(length); |
305 | pAx1 = myPosition.Translated(vec1); |
306 | myFAttach = pAx1; |
307 | } |
308 | if ( !isInfinite2 ) |
309 | { |
310 | curpar = ElCLib::Parameter(geom_lin2->Lin(),pint3d); |
311 | par1 = ElCLib::Parameter(geom_lin2->Lin(),ptat21); |
312 | par2 = ElCLib::Parameter(geom_lin2->Lin(),ptat22); |
313 | pmin = Min(par1,par2); |
314 | pmax = Max(par1,par2); |
315 | |
316 | if ( myPosition.SquareDistance(ptat21) > myPosition.SquareDistance(ptat22) ) p2 = ptat21; |
317 | else p2 = ptat22; |
318 | if ( (curpar < pmin) || (curpar > pmax) ) |
319 | { |
320 | interOut2 = Standard_True; |
321 | } |
322 | gp_Vec vec2 (gce_MakeDir(myPosition,p2)); |
323 | if ( !lengthComputed ) |
324 | { |
325 | if ( !isInfinite1 ) length = 2.*Min(ptat11.Distance(ptat12),ptat21.Distance(ptat22))/5.; |
326 | else length = 2.*ptat21.Distance(ptat22)/5.; |
327 | } |
328 | vec2.Multiply(length); |
329 | pAx2 = myPosition.Translated(vec2); |
330 | mySAttach = pAx2; |
331 | } |
332 | if ( isInfinite1 ) |
333 | { |
334 | p1 = myPosition; |
335 | gp_Vec vec1(geom_lin1->Lin().Direction()); |
336 | vec1.Multiply(length); |
337 | myFAttach = myPosition.Translated(vec1); |
338 | } |
339 | if ( isInfinite2 ) |
340 | { |
341 | p2 = myPosition; |
342 | gp_Vec vec2(geom_lin2->Lin().Direction()); |
343 | vec2.Multiply(length); |
344 | mySAttach = myPosition.Translated(vec2); |
345 | } |
346 | } |
347 | DsgPrs_PerpenPresentation::Add(aPresentation,myDrawer, |
348 | myFAttach,mySAttach, |
349 | p1,p2, |
350 | myPosition, |
351 | interOut1,interOut2); |
352 | |
353 | if ( (myExtShape != 0) && !extCurv.IsNull()) { |
354 | gp_Pnt pf,pl; |
355 | if ( myExtShape == 1 ) { |
356 | if (!isInfinite1) { |
357 | pf = ptat11; |
358 | pl = ptat12; |
359 | } |
360 | aPresentation->SetInfiniteState(isInfinite1); |
361 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(myFShape),geom_lin1,pf,pl); |
362 | } |
363 | else { |
364 | if (!isInfinite2) { |
365 | pf = ptat21; |
366 | pl = ptat22; |
367 | } |
368 | aPresentation->SetInfiniteState(isInfinite2); |
369 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(mySShape),geom_lin2,pf,pl); |
370 | } |
371 | } |
372 | } |