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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_ParallelRelation.hxx> |
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20 | #include <BRep_Tool.hxx> |
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21 | #include <BRepAdaptor_Curve.hxx> |
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22 | #include <BRepAdaptor_Surface.hxx> |
23 | #include <DsgPrs_LengthPresentation.hxx> |
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24 | #include <ElCLib.hxx> |
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25 | #include <gce_MakeLin.hxx> |
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26 | #include <Geom_Ellipse.hxx> |
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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> |
51 | #include <TopExp_Explorer.hxx> |
52 | #include <TopoDS.hxx> |
53 | #include <TopoDS_Shape.hxx> |
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54 | |
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55 | IMPLEMENT_STANDARD_RTTIEXT(AIS_ParallelRelation,AIS_Relation) |
56 | |
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57 | //======================================================================= |
58 | //function : Constructor |
59 | //purpose : |
60 | //======================================================================= |
61 | AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape, |
62 | const TopoDS_Shape& aSShape, |
63 | const Handle(Geom_Plane)& aPlane) |
64 | { |
65 | myFShape = aFShape; |
66 | mySShape = aSShape; |
67 | myPlane = aPlane; |
68 | myAutomaticPosition = Standard_True; |
69 | myArrowSize = 0.01; |
70 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
71 | } |
72 | |
73 | //======================================================================= |
74 | //function : Constructor |
75 | //purpose : |
76 | //======================================================================= |
77 | AIS_ParallelRelation::AIS_ParallelRelation(const TopoDS_Shape& aFShape, |
78 | const TopoDS_Shape& aSShape, |
79 | const Handle(Geom_Plane)& aPlane, |
80 | const gp_Pnt& aPosition, |
81 | const DsgPrs_ArrowSide aSymbolPrs, |
82 | const Standard_Real anArrowSize) |
83 | { |
84 | myFShape = aFShape; |
85 | mySShape = aSShape; |
86 | myPlane = aPlane; |
87 | myAutomaticPosition = Standard_False; |
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88 | SetArrowSize( anArrowSize ); |
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89 | myPosition = aPosition; |
90 | mySymbolPrs = aSymbolPrs; |
91 | } |
92 | |
93 | //======================================================================= |
94 | //function : Compute |
95 | //purpose : |
96 | //======================================================================= |
97 | void AIS_ParallelRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, |
98 | const Handle(Prs3d_Presentation)& aPresentation, |
99 | const Standard_Integer) |
100 | { |
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101 | switch (myFShape.ShapeType()) |
102 | { |
103 | case TopAbs_FACE : |
104 | { |
105 | // cas longueur entre deux faces |
106 | ComputeTwoFacesParallel(aPresentation); |
107 | } |
108 | break; |
109 | case TopAbs_EDGE : |
110 | { |
111 | // cas longueur entre deux edges |
112 | ComputeTwoEdgesParallel(aPresentation); |
113 | } |
114 | break; |
115 | default: |
116 | break; |
117 | } |
118 | } |
119 | |
120 | //======================================================================= |
121 | //function : Compute |
122 | //purpose : to avoid warning |
123 | //======================================================================= |
124 | void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, |
125 | const Handle(Prs3d_Presentation)& aPresentation) |
126 | { |
127 | // Standard_NotImplemented::Raise("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); |
128 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; |
129 | } |
130 | |
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131 | void AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTransformation, const Handle(Prs3d_Presentation)& aPresentation) |
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132 | { |
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133 | // Standard_NotImplemented::Raise("AIS_ParallelRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)"); |
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134 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; |
135 | } |
136 | |
137 | //======================================================================= |
138 | //function : ComputeSelection |
139 | //purpose : |
140 | //======================================================================= |
141 | void AIS_ParallelRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, |
142 | const Standard_Integer) |
143 | { |
144 | gp_Lin L1 (myFAttach,myDirAttach); |
145 | gp_Lin L2 (mySAttach,myDirAttach); |
146 | gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,myPosition),L1); |
147 | gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,myPosition),L2); |
148 | |
149 | gp_Lin L3; |
150 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); |
151 | |
152 | if (!Proj1.IsEqual(Proj2,Precision::Confusion())) |
153 | { |
154 | L3 = gce_MakeLin(Proj1,Proj2); |
155 | } |
156 | else |
157 | { |
158 | L3 = gce_MakeLin(Proj1,myDirAttach); |
159 | Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6)); |
160 | Handle(Select3D_SensitiveBox) box = |
161 | new Select3D_SensitiveBox(own, |
162 | myPosition.X(), |
163 | myPosition.Y(), |
164 | myPosition.Z(), |
165 | myPosition.X()+size, |
166 | myPosition.Y()+size, |
167 | myPosition.Z()+size); |
168 | aSelection->Add(box); |
169 | } |
170 | Standard_Real parmin,parmax,parcur; |
171 | parmin = ElCLib::Parameter(L3,Proj1); |
172 | parmax = parmin; |
173 | |
174 | parcur = ElCLib::Parameter(L3,Proj2); |
175 | parmin = Min(parmin,parcur); |
176 | parmax = Max(parmax,parcur); |
177 | |
178 | parcur = ElCLib::Parameter(L3,myPosition); |
179 | parmin = Min(parmin,parcur); |
180 | parmax = Max(parmax,parcur); |
181 | |
182 | gp_Pnt PointMin = ElCLib::Value(parmin,L3); |
183 | gp_Pnt PointMax = ElCLib::Value(parmax,L3); |
184 | |
185 | Handle(Select3D_SensitiveSegment) seg; |
186 | |
187 | if (!PointMin.IsEqual(PointMax,Precision::Confusion())) |
188 | { |
189 | seg = new Select3D_SensitiveSegment(own, |
190 | PointMin, |
191 | PointMax); |
192 | aSelection->Add(seg); |
193 | } |
194 | if (!myFAttach.IsEqual(Proj1,Precision::Confusion())) |
195 | { |
196 | seg = new Select3D_SensitiveSegment(own, myFAttach, Proj1); |
197 | aSelection->Add(seg); |
198 | } |
199 | if (!mySAttach.IsEqual(Proj2,Precision::Confusion())) |
200 | { |
201 | seg = new Select3D_SensitiveSegment(own, mySAttach, Proj2); |
202 | aSelection->Add(seg); |
203 | } |
204 | } |
205 | |
206 | //======================================================================= |
207 | //function : ComputeTwoFacesParallel |
208 | //purpose : |
209 | //======================================================================= |
210 | void AIS_ParallelRelation::ComputeTwoFacesParallel(const Handle(Prs3d_Presentation)&) |
211 | { |
212 | Standard_NotImplemented::Raise("AIS_ParallelRelation::ComputeTwoFacesParallel not implemented"); |
213 | } |
214 | |
215 | //======================================================================= |
216 | //function : ComputeTwoEdgesParallel |
217 | //purpose : |
218 | //======================================================================= |
219 | void AIS_ParallelRelation::ComputeTwoEdgesParallel(const Handle(Prs3d_Presentation)& aPresentation) |
220 | { |
221 | TopoDS_Edge E1 = TopoDS::Edge(myFShape); |
222 | TopoDS_Edge E2 = TopoDS::Edge(mySShape); |
223 | |
224 | gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d; |
225 | Handle(Geom_Curve) geom1,geom2; |
226 | Standard_Boolean isInfinite1,isInfinite2; |
227 | Handle(Geom_Curve) extCurv; |
228 | if (!AIS::ComputeGeometry(E1,E2,myExtShape, |
229 | geom1,geom2, |
230 | ptat11,ptat12,ptat21,ptat22, |
231 | extCurv, |
232 | isInfinite1,isInfinite2, |
233 | myPlane)) |
234 | { |
235 | return; |
236 | } |
237 | |
238 | aPresentation->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape != 0)); |
239 | |
240 | gp_Lin l1; |
241 | gp_Lin l2; |
242 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
243 | |
244 | if (geom1->IsInstance(STANDARD_TYPE(Geom_Ellipse))) |
245 | { |
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246 | Handle(Geom_Ellipse) geom_el1 (Handle(Geom_Ellipse)::DownCast (geom1)); |
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247 | // construct lines through focuses |
248 | gp_Ax1 elAx = geom_el1->XAxis(); |
249 | l1 = gp_Lin(elAx); |
250 | Standard_Real focex = geom_el1->MajorRadius() - geom_el1->Focal()/2.0; |
251 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
252 | ptat11 = geom_el1->Focus1().Translated(transvec); |
253 | ptat12 = geom_el1->Focus2().Translated(-transvec); |
254 | isEl1 = Standard_True; |
255 | } |
256 | else if (geom1->IsInstance(STANDARD_TYPE(Geom_Line))) |
257 | { |
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258 | Handle(Geom_Line) geom_lin1 (Handle(Geom_Line)::DownCast (geom1)); |
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259 | l1 = geom_lin1->Lin(); |
260 | } |
261 | else return; |
262 | |
263 | if (geom2->IsInstance(STANDARD_TYPE(Geom_Ellipse))) |
264 | { |
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265 | Handle(Geom_Ellipse) geom_el2 (Handle(Geom_Ellipse)::DownCast (geom2)); |
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266 | // construct lines through focuses |
267 | gp_Ax1 elAx = geom_el2->XAxis(); |
268 | l2 = gp_Lin(elAx); |
269 | Standard_Real focex = geom_el2->MajorRadius() - geom_el2->Focal()/2.0; |
270 | gp_Vec transvec = gp_Vec(elAx.Direction())*focex; |
271 | ptat21 = geom_el2->Focus1().Translated(transvec); |
272 | ptat22 = geom_el2->Focus2().Translated(-transvec); |
273 | isEl2 = Standard_True; |
274 | } |
275 | else if (geom2->IsInstance(STANDARD_TYPE(Geom_Line))) |
276 | { |
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277 | Handle(Geom_Line) geom_lin2 (Handle(Geom_Line)::DownCast (geom2)); |
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278 | l2 = geom_lin2->Lin(); |
279 | } |
280 | else return; |
281 | |
282 | const Handle(Geom_Line)& geom_lin1 = new Geom_Line(l1); |
283 | const Handle(Geom_Line)& geom_lin2 = new Geom_Line(l2); |
284 | |
285 | myDirAttach = l1.Direction(); |
286 | // size |
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287 | if( !myArrowSizeIsDefined ) { |
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288 | Standard_Real arrSize1 (myArrowSize), arrSize2 (myArrowSize); |
289 | if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/50.; |
290 | if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/50.; |
291 | myArrowSize = Max(myArrowSize,Max(arrSize1,arrSize2)); |
292 | // myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2)); |
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293 | } |
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294 | |
295 | if ( myAutomaticPosition ) |
296 | { |
297 | gp_Pnt curpos; |
298 | if ( !isInfinite1 ) |
299 | { |
300 | gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l2,ptat11),l2); |
301 | curpos.SetXYZ((ptat11.XYZ() + p2.XYZ())/2.); |
302 | } |
303 | else if ( !isInfinite2 ) |
304 | { |
305 | gp_Pnt p2 = ElCLib::Value(ElCLib::Parameter(l1,ptat21),l1); |
306 | curpos.SetXYZ((ptat21.XYZ()+p2.XYZ())/2.); |
307 | } |
308 | else |
309 | { |
310 | curpos.SetXYZ((l1.Location().XYZ()+l2.Location().XYZ())/2.); |
311 | } |
312 | // offset pour eviter confusion Edge et Dimension |
313 | gp_Vec offset (myDirAttach); |
314 | offset = offset*myArrowSize*(-10.); |
315 | curpos.Translate(offset); |
316 | myPosition = curpos; |
317 | } |
318 | |
319 | // recherche points attache |
320 | if (!isInfinite1) |
321 | { |
322 | if ( isEl1 ) |
323 | { |
324 | if (myPosition.Distance(ptat11) < myPosition.Distance(ptat12)) myFAttach = ptat12; |
325 | else myFAttach = ptat11; |
326 | } |
327 | else |
328 | { |
329 | if (myPosition.Distance(ptat11) > myPosition.Distance(ptat12)) myFAttach = ptat12; |
330 | else myFAttach = ptat11; |
331 | } |
332 | } |
333 | else |
334 | { |
335 | myFAttach = ElCLib::Value(ElCLib::Parameter(l1,myPosition),l1); |
336 | } |
337 | |
338 | if (!isInfinite2) |
339 | { |
340 | if ( isEl2 ) |
341 | { |
342 | if (myPosition.Distance(ptat21) < myPosition.Distance(ptat22)) mySAttach = ptat22; |
343 | else mySAttach = ptat21; |
344 | } |
345 | else |
346 | { |
347 | if (myPosition.Distance(ptat21) > myPosition.Distance(ptat22)) mySAttach = ptat22; |
348 | else mySAttach = ptat21; |
349 | } |
350 | } |
351 | else |
352 | { |
353 | mySAttach = ElCLib::Value(ElCLib::Parameter(l2,myPosition),l2); |
354 | } |
355 | TCollection_ExtendedString aText (" //"); |
356 | |
357 | if (l1.Distance(l2) <= Precision::Confusion()) |
358 | { |
359 | myArrowSize = 0.; |
360 | } |
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361 | Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect(); |
362 | Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect(); |
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363 | arr->SetLength(myArrowSize); |
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364 | arr = la->ArrowAspect(); |
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365 | arr->SetLength(myArrowSize); |
366 | if ( myExtShape == 1) |
367 | mySymbolPrs = DsgPrs_AS_FIRSTPT_LASTAR; |
368 | else if ( myExtShape == 2) |
369 | mySymbolPrs = DsgPrs_AS_FIRSTAR_LASTPT; |
370 | |
371 | DsgPrs_LengthPresentation::Add(aPresentation, |
372 | myDrawer, |
373 | aText, |
374 | myFAttach, |
375 | mySAttach, |
376 | myDirAttach, |
377 | myPosition, |
378 | mySymbolPrs); |
379 | if ( (myExtShape != 0) && !extCurv.IsNull()) |
380 | { |
381 | gp_Pnt pf, pl; |
382 | if ( myExtShape == 1 ) |
383 | { |
384 | if (!isInfinite1) |
385 | { |
386 | pf = ptat11; |
387 | pl = ptat12; |
388 | } |
389 | ComputeProjEdgePresentation(aPresentation,E1,geom_lin1,pf,pl); |
390 | } |
391 | else |
392 | { |
393 | if (!isInfinite2) |
394 | { |
395 | pf = ptat21; |
396 | pl = ptat22; |
397 | } |
398 | ComputeProjEdgePresentation(aPresentation,E2,geom_lin2,pf,pl); |
399 | } |
400 | } |
401 | } |