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