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_PerpendicularRelation.hxx> |
7fd59977 |
20 | #include <BRep_Tool.hxx> |
42cf5bc1 |
21 | #include <BRepAdaptor_Surface.hxx> |
22 | #include <BRepBuilderAPI_MakeFace.hxx> |
7fd59977 |
23 | #include <DsgPrs_PerpenPresentation.hxx> |
7fd59977 |
24 | #include <ElCLib.hxx> |
42cf5bc1 |
25 | #include <gce_MakeDir.hxx> |
7fd59977 |
26 | #include <Geom2d_Line.hxx> |
42cf5bc1 |
27 | #include <Geom_Ellipse.hxx> |
7fd59977 |
28 | #include <Geom_Line.hxx> |
29 | #include <Geom_Plane.hxx> |
42cf5bc1 |
30 | #include <Geom_Transformation.hxx> |
31 | #include <GeomAPI.hxx> |
32 | #include <gp_Pln.hxx> |
33 | #include <gp_Pnt.hxx> |
34 | #include <gp_Pnt2d.hxx> |
35 | #include <gp_Trsf.hxx> |
36 | #include <gp_Vec.hxx> |
7fd59977 |
37 | #include <IntAna2d_AnaIntersection.hxx> |
38 | #include <IntAna2d_IntPoint.hxx> |
7fd59977 |
39 | #include <Precision.hxx> |
42cf5bc1 |
40 | #include <Prs3d_Presentation.hxx> |
41 | #include <Prs3d_Projector.hxx> |
7fd59977 |
42 | #include <Select3D_SensitiveSegment.hxx> |
43 | #include <SelectMgr_EntityOwner.hxx> |
f751596e |
44 | #include <SelectMgr_Selection.hxx> |
42cf5bc1 |
45 | #include <Standard_NotImplemented.hxx> |
46 | #include <Standard_Type.hxx> |
7fd59977 |
47 | #include <TopoDS.hxx> |
48 | #include <TopoDS_Edge.hxx> |
49 | #include <TopoDS_Face.hxx> |
42cf5bc1 |
50 | #include <TopoDS_Shape.hxx> |
7fd59977 |
51 | #include <TopoDS_Vertex.hxx> |
52 | |
92efcf78 |
53 | IMPLEMENT_STANDARD_RTTIEXT(AIS_PerpendicularRelation,AIS_Relation) |
54 | |
7fd59977 |
55 | //======================================================================= |
56 | //function : Constructor |
57 | //purpose : TwoEdgesPerpendicular |
58 | //======================================================================= |
59 | AIS_PerpendicularRelation::AIS_PerpendicularRelation(const TopoDS_Shape& aFShape, |
60 | const TopoDS_Shape& aSShape, |
61 | const Handle(Geom_Plane)& aPlane) |
62 | :AIS_Relation() |
63 | { |
64 | myFShape = aFShape; |
65 | mySShape = aSShape; |
66 | myPlane = aPlane; |
67 | } |
68 | |
69 | //======================================================================= |
70 | //function : Constructor |
71 | //purpose : TwoFacesPerpendicular |
72 | //======================================================================= |
73 | AIS_PerpendicularRelation::AIS_PerpendicularRelation(const TopoDS_Shape& aFShape, |
74 | const TopoDS_Shape& aSShape) |
75 | :AIS_Relation() |
76 | { |
77 | myFShape = aFShape; |
78 | mySShape = aSShape; |
79 | } |
80 | |
81 | //======================================================================= |
82 | //function : Compute |
83 | //purpose : |
84 | //======================================================================= |
85 | void AIS_PerpendicularRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, |
86 | const Handle(Prs3d_Presentation)& aPresentation, |
87 | const Standard_Integer) |
88 | { |
7fd59977 |
89 | if (myFShape.ShapeType() == mySShape.ShapeType()) { |
90 | switch (myFShape.ShapeType()) { |
91 | case TopAbs_FACE : |
92 | { |
93 | // cas perpendiculaire entre deux faces |
94 | ComputeTwoFacesPerpendicular(aPresentation); |
95 | } |
96 | break; |
97 | case TopAbs_EDGE : |
98 | { |
99 | // cas perpendiculaire entre deux edges |
100 | ComputeTwoEdgesPerpendicular(aPresentation); |
101 | } |
102 | break; |
103 | default: |
104 | break; |
105 | } |
106 | } |
107 | // Cas pas traite - Edge/Face |
108 | } |
109 | |
110 | //======================================================================= |
111 | //function : Compute |
112 | //purpose : to avoid warning |
113 | //======================================================================= |
114 | void AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)& aProjector, |
115 | const Handle(Prs3d_Presentation)& aPresentation) |
116 | { |
9775fa61 |
117 | // throw Standard_NotImplemented("AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); |
7fd59977 |
118 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; |
119 | } |
120 | |
857ffd5e |
121 | void AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation) |
7fd59977 |
122 | { |
9775fa61 |
123 | // throw Standard_NotImplemented("AIS_PerpendicularRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)"); |
7fd59977 |
124 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; |
125 | } |
126 | |
127 | //======================================================================= |
128 | //function : ComputeSelection |
129 | //purpose : |
130 | //======================================================================= |
131 | void AIS_PerpendicularRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, |
132 | const Standard_Integer) |
133 | { |
134 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); |
135 | const gp_Pnt& pos = myPosition; |
136 | Handle(Select3D_SensitiveSegment) seg; |
137 | Standard_Boolean ok1(Standard_False),ok2(Standard_False); |
138 | |
139 | if (!myFAttach.IsEqual(pos,Precision::Confusion())) { |
140 | seg = new Select3D_SensitiveSegment(own, |
141 | myFAttach, |
142 | pos); |
143 | aSelection->Add(seg); |
144 | ok1 = Standard_True; |
145 | } |
146 | if (!mySAttach.IsEqual(myPosition,Precision::Confusion())) { |
147 | seg = new Select3D_SensitiveSegment(own, |
148 | mySAttach, |
149 | pos); |
150 | aSelection->Add(seg); |
151 | ok2 = Standard_True; |
152 | } |
153 | |
154 | if (ok1 && ok2) { |
155 | gp_Vec vec1(gce_MakeDir(pos,myFAttach)); |
156 | gp_Vec vec2(gce_MakeDir(pos,mySAttach)); |
157 | Standard_Real dist1(pos.Distance(myFAttach)); |
158 | Standard_Real dist2(pos.Distance(mySAttach)); |
159 | vec1 *= dist1; |
160 | vec1 *= .2; |
161 | vec2 *= dist2; |
162 | vec2 *= .2; |
163 | |
164 | gp_Pnt pAx11 = pos.Translated(vec1); |
165 | gp_Pnt pAx22 = pos.Translated(vec2); |
166 | gp_Pnt p_symb = pAx22.Translated(vec1); |
167 | seg = new Select3D_SensitiveSegment(own,pAx11,p_symb); |
168 | aSelection->Add(seg); |
169 | seg = new Select3D_SensitiveSegment(own,p_symb,pAx22); |
170 | aSelection->Add(seg); |
171 | } |
172 | } |
173 | |
174 | //======================================================================= |
175 | //function : ComputeTwoFacesPerpendicular |
176 | //purpose : |
177 | //======================================================================= |
178 | void AIS_PerpendicularRelation::ComputeTwoFacesPerpendicular |
179 | (const Handle(Prs3d_Presentation)& /*aPresentation*/) |
180 | { |
181 | } |
182 | |
183 | //======================================================================= |
184 | //function : ComputeTwoEdgesPerpendicular |
185 | //purpose : |
186 | //======================================================================= |
187 | void AIS_PerpendicularRelation::ComputeTwoEdgesPerpendicular(const Handle(Prs3d_Presentation)& aPresentation) |
188 | { |
189 | // 3d lines |
190 | Handle(Geom_Curve) geom1,geom2; |
191 | gp_Pnt pint3d,p1,p2,pAx1,pAx2,ptat11,ptat12,ptat21,ptat22; |
192 | Standard_Boolean isInfinite1,isInfinite2; |
193 | Handle(Geom_Curve) extCurv; |
194 | if ( !AIS::ComputeGeometry(TopoDS::Edge(myFShape),TopoDS::Edge(mySShape), |
195 | myExtShape, |
196 | geom1,geom2, |
197 | ptat11,ptat12,ptat21,ptat22, |
198 | extCurv, |
199 | isInfinite1,isInfinite2, |
200 | myPlane) ) return; |
201 | |
202 | Standard_Boolean interOut1(Standard_False),interOut2(Standard_False); |
203 | |
204 | Handle(Geom_Line) geom_lin1; |
205 | Handle(Geom_Line) geom_lin2; |
206 | if ( geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse)) ) |
207 | { |
c5f3a425 |
208 | Handle(Geom_Ellipse) geom_el (Handle(Geom_Ellipse)::DownCast (geom1)); |
7fd59977 |
209 | // construct lines through focuses |
210 | gp_Ax1 elAx = geom_el->XAxis(); |
211 | gp_Lin ll (elAx); |
212 | geom_lin1 = new Geom_Line(ll); |
213 | Standard_Real focex = geom_el->MajorRadius() - geom_el->Focal()/2.0; |
214 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
215 | ptat11 = geom_el->Focus1().Translated(transvec); |
216 | ptat12 = geom_el->Focus2().Translated(-transvec); |
217 | interOut1 = Standard_True; |
218 | } |
219 | else if ( geom1->IsInstance(STANDARD_TYPE(Geom_Line)) ) |
220 | { |
c5f3a425 |
221 | geom_lin1 = Handle(Geom_Line)::DownCast (geom1); |
7fd59977 |
222 | } |
223 | else return; |
224 | |
225 | if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse))) |
226 | { |
c5f3a425 |
227 | Handle(Geom_Ellipse) geom_el (Handle(Geom_Ellipse)::DownCast (geom2)); |
7fd59977 |
228 | // construct lines through focuses |
229 | gp_Ax1 elAx = geom_el->XAxis(); |
230 | gp_Lin ll (elAx); |
231 | geom_lin2 = new Geom_Line(ll); |
232 | Standard_Real focex = geom_el->MajorRadius() - geom_el->Focal()/2.0; |
233 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
234 | ptat21 = geom_el->Focus1().Translated(transvec); |
235 | ptat22 = geom_el->Focus2().Translated(-transvec); |
236 | interOut2 = Standard_True; |
237 | } |
238 | else if ( geom2->IsInstance(STANDARD_TYPE(Geom_Line)) ) |
239 | { |
c5f3a425 |
240 | geom_lin2 = Handle(Geom_Line)::DownCast (geom2); |
7fd59977 |
241 | } |
242 | else return; |
243 | |
244 | // current face |
245 | BRepBuilderAPI_MakeFace makeface (myPlane->Pln()); |
246 | TopoDS_Face face (makeface.Face()); |
247 | BRepAdaptor_Surface adp (makeface.Face()); |
248 | |
249 | // 2d lines => projection of 3d on current plane |
250 | Handle(Geom2d_Curve) aGeom2dCurve = GeomAPI::To2d(geom_lin1,myPlane->Pln()); |
c5f3a425 |
251 | Handle(Geom2d_Line) lin1_2d = Handle(Geom2d_Line)::DownCast (aGeom2dCurve) ; |
7fd59977 |
252 | aGeom2dCurve = GeomAPI::To2d(geom_lin2,myPlane->Pln()); |
c5f3a425 |
253 | Handle(Geom2d_Line) lin2_2d = Handle(Geom2d_Line)::DownCast (aGeom2dCurve) ; |
7fd59977 |
254 | IntAna2d_AnaIntersection inter(lin1_2d->Lin2d(),lin2_2d->Lin2d()); |
255 | if (!inter.IsDone()) return; |
256 | if (!inter.NbPoints()) return; |
257 | |
258 | gp_Pnt2d pint(inter.Point(1).Value()); |
259 | pint3d = adp.Value(pint.X(),pint.Y()); |
260 | |
261 | myPosition = pint3d; |
262 | // recherche points attache |
263 | Standard_Real par1,par2,curpar,pmin,pmax;//,dist,sign; |
264 | Standard_Real length(0.); |
265 | |
266 | if ( isInfinite1 && isInfinite2 ) |
267 | { |
268 | Standard_Real curpar1 = ElCLib::Parameter(geom_lin1->Lin(),pint3d); |
269 | Standard_Real curpar2 = ElCLib::Parameter(geom_lin2->Lin(),pint3d); |
270 | par1 = par2 = 50.; |
271 | p1 = p2 = pint3d; |
272 | myFAttach = ElCLib::Value(curpar1+par1,geom_lin1->Lin()); |
273 | mySAttach = ElCLib::Value(curpar2+par2,geom_lin2->Lin()); |
274 | } |
275 | else |
276 | { |
277 | Standard_Boolean lengthComputed (Standard_False); |
278 | if ( !isInfinite1 ) |
279 | { |
280 | curpar = ElCLib::Parameter(geom_lin1->Lin(),pint3d); |
281 | par1 = ElCLib::Parameter(geom_lin1->Lin(),ptat11); |
282 | par2 = ElCLib::Parameter(geom_lin1->Lin(),ptat12); |
283 | pmin = Min(par1,par2); |
284 | pmax = Max(par1,par2); |
285 | |
286 | if ( myPosition.SquareDistance(ptat11) > myPosition.SquareDistance(ptat12) ) |
287 | p1 = ptat11; |
288 | else |
289 | p1 = ptat12; |
290 | if ( (curpar < pmin) || (curpar > pmax) ) |
291 | { |
292 | interOut1 = Standard_True; |
293 | } |
294 | if ( !isInfinite2 ) length = 2.*Min(ptat11.Distance(ptat12),ptat21.Distance(ptat22))/5.; |
295 | else length = 2.*ptat11.Distance(ptat12)/5.; |
296 | lengthComputed = Standard_True; |
297 | gp_Vec vec1 (gce_MakeDir(myPosition,p1)); |
298 | vec1.Multiply(length); |
299 | pAx1 = myPosition.Translated(vec1); |
300 | myFAttach = pAx1; |
301 | } |
302 | if ( !isInfinite2 ) |
303 | { |
304 | curpar = ElCLib::Parameter(geom_lin2->Lin(),pint3d); |
305 | par1 = ElCLib::Parameter(geom_lin2->Lin(),ptat21); |
306 | par2 = ElCLib::Parameter(geom_lin2->Lin(),ptat22); |
307 | pmin = Min(par1,par2); |
308 | pmax = Max(par1,par2); |
309 | |
310 | if ( myPosition.SquareDistance(ptat21) > myPosition.SquareDistance(ptat22) ) p2 = ptat21; |
311 | else p2 = ptat22; |
312 | if ( (curpar < pmin) || (curpar > pmax) ) |
313 | { |
314 | interOut2 = Standard_True; |
315 | } |
316 | gp_Vec vec2 (gce_MakeDir(myPosition,p2)); |
317 | if ( !lengthComputed ) |
318 | { |
319 | if ( !isInfinite1 ) length = 2.*Min(ptat11.Distance(ptat12),ptat21.Distance(ptat22))/5.; |
320 | else length = 2.*ptat21.Distance(ptat22)/5.; |
321 | } |
322 | vec2.Multiply(length); |
323 | pAx2 = myPosition.Translated(vec2); |
324 | mySAttach = pAx2; |
325 | } |
326 | if ( isInfinite1 ) |
327 | { |
328 | p1 = myPosition; |
329 | gp_Vec vec1(geom_lin1->Lin().Direction()); |
330 | vec1.Multiply(length); |
331 | myFAttach = myPosition.Translated(vec1); |
332 | } |
333 | if ( isInfinite2 ) |
334 | { |
335 | p2 = myPosition; |
336 | gp_Vec vec2(geom_lin2->Lin().Direction()); |
337 | vec2.Multiply(length); |
338 | mySAttach = myPosition.Translated(vec2); |
339 | } |
340 | } |
341 | DsgPrs_PerpenPresentation::Add(aPresentation,myDrawer, |
342 | myFAttach,mySAttach, |
343 | p1,p2, |
344 | myPosition, |
345 | interOut1,interOut2); |
346 | |
347 | if ( (myExtShape != 0) && !extCurv.IsNull()) { |
348 | gp_Pnt pf,pl; |
349 | if ( myExtShape == 1 ) { |
350 | if (!isInfinite1) { |
351 | pf = ptat11; |
352 | pl = ptat12; |
353 | } |
354 | aPresentation->SetInfiniteState(isInfinite1); |
355 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(myFShape),geom_lin1,pf,pl); |
356 | } |
357 | else { |
358 | if (!isInfinite2) { |
359 | pf = ptat21; |
360 | pl = ptat22; |
361 | } |
362 | aPresentation->SetInfiniteState(isInfinite2); |
363 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(mySShape),geom_lin2,pf,pl); |
364 | } |
365 | } |
366 | } |