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