| 1 | // Created on: 1996-12-05 |
| 2 | // Created by: Arnaud BOUZY/Odile Olivier |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
| 5 | // |
| 6 | // The content of this file is subject to the Open CASCADE Technology Public |
| 7 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 8 | // except in compliance with the License. Please obtain a copy of the License |
| 9 | // at http://www.opencascade.org and read it completely before using this file. |
| 10 | // |
| 11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 13 | // |
| 14 | // The Original Code and all software distributed under the License is |
| 15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 16 | // Initial Developer hereby disclaims all such warranties, including without |
| 17 | // limitation, any warranties of merchantability, fitness for a particular |
| 18 | // purpose or non-infringement. Please see the License for the specific terms |
| 19 | // and conditions governing the rights and limitations under the License. |
| 20 | |
| 21 | |
| 22 | #define BUC60655 //GG 22/03/00 Enable to compute correctly |
| 23 | // the arrow size at object creation time. |
| 24 | |
| 25 | #define BUC60915 //GG 05/06/01 Enable to compute the requested arrow size |
| 26 | // if any in all dimensions. |
| 27 | |
| 28 | #include <Standard_NotImplemented.hxx> |
| 29 | |
| 30 | #include <AIS_AngleDimension.ixx> |
| 31 | |
| 32 | #include <AIS.hxx> |
| 33 | #include <AIS_DimensionOwner.hxx> |
| 34 | #include <AIS_Drawer.hxx> |
| 35 | |
| 36 | #include <BRepBuilderAPI_MakeFace.hxx> |
| 37 | #include <BRepAdaptor_Curve.hxx> |
| 38 | #include <BRepAdaptor_Surface.hxx> |
| 39 | #include <BRep_Tool.hxx> |
| 40 | |
| 41 | #include <DsgPrs.hxx> |
| 42 | #include <DsgPrs_AnglePresentation.hxx> |
| 43 | |
| 44 | #include <ElCLib.hxx> |
| 45 | #include <ElSLib.hxx> |
| 46 | |
| 47 | #include <Geom2d_Circle.hxx> |
| 48 | #include <Geom2d_Curve.hxx> |
| 49 | #include <Geom2d_Line.hxx> |
| 50 | #include <GeomAPI.hxx> |
| 51 | #include <Geom_Circle.hxx> |
| 52 | #include <Geom_Line.hxx> |
| 53 | #include <Geom_Plane.hxx> |
| 54 | #include <Geom_TrimmedCurve.hxx> |
| 55 | #include <Geom_Surface.hxx> |
| 56 | #include <Geom_CylindricalSurface.hxx> |
| 57 | #include <Geom_ConicalSurface.hxx> |
| 58 | #include <Geom_SurfaceOfRevolution.hxx> |
| 59 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
| 60 | #include <Geom_OffsetSurface.hxx> |
| 61 | |
| 62 | #include <IntAna2d_AnaIntersection.hxx> |
| 63 | #include <IntAna2d_IntPoint.hxx> |
| 64 | #include <IntAna_QuadQuadGeo.hxx> |
| 65 | #include <IntAna_ResultType.hxx> |
| 66 | |
| 67 | #include <Precision.hxx> |
| 68 | |
| 69 | #include <ProjLib.hxx> |
| 70 | |
| 71 | #include <Prs3d_AngleAspect.hxx> |
| 72 | #include <Prs3d_ArrowAspect.hxx> |
| 73 | #include <Prs3d_Drawer.hxx> |
| 74 | |
| 75 | #include <Select3D_SensitiveCurve.hxx> |
| 76 | #include <Select3D_SensitiveSegment.hxx> |
| 77 | #include <Select3D_SensitiveBox.hxx> |
| 78 | #include <SelectMgr_EntityOwner.hxx> |
| 79 | |
| 80 | #include <TColStd_Array1OfReal.hxx> |
| 81 | |
| 82 | #include <TopExp.hxx> |
| 83 | #include <TopExp_Explorer.hxx> |
| 84 | #include <TopoDS.hxx> |
| 85 | #include <TopoDS_Shape.hxx> |
| 86 | #include <TopoDS_Vertex.hxx> |
| 87 | |
| 88 | #include <UnitsAPI.hxx> |
| 89 | |
| 90 | #include <gp.hxx> |
| 91 | #include <gp_Ax1.hxx> |
| 92 | #include <gp_Lin.hxx> |
| 93 | #include <gp_Cone.hxx> |
| 94 | #include <gp_Pln.hxx> |
| 95 | #include <gp_Pnt.hxx> |
| 96 | #include <gp_Pnt2d.hxx> |
| 97 | #include <gp_Vec.hxx> |
| 98 | #include <gp_XYZ.hxx> |
| 99 | |
| 100 | #include <GC_MakeCircle.hxx> |
| 101 | #include <GC_MakeConicalSurface.hxx> |
| 102 | #include <gce_MakePln.hxx> |
| 103 | #include <gce_MakeCone.hxx> |
| 104 | |
| 105 | |
| 106 | //======================================================================= |
| 107 | //function : Constructor |
| 108 | //purpose : ConeAngle dimension |
| 109 | //======================================================================= |
| 110 | |
| 111 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aCone, |
| 112 | const Standard_Real aVal, |
| 113 | const TCollection_ExtendedString& aText, |
| 114 | const gp_Pnt& aPosition, |
| 115 | const DsgPrs_ArrowSide /*aSymbolPrs*/, |
| 116 | const Standard_Real anArrowSize): |
| 117 | myNbShape(1) |
| 118 | { |
| 119 | myCone = aCone; |
| 120 | myVal = aVal; |
| 121 | myText = aText; |
| 122 | myPosition = aPosition; |
| 123 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 124 | myAutomaticPosition = Standard_True; |
| 125 | #ifdef BUC60915 |
| 126 | SetArrowSize( anArrowSize ); |
| 127 | #else |
| 128 | myArrowSize = anArrowSize; |
| 129 | #endif |
| 130 | } |
| 131 | |
| 132 | //======================================================================= |
| 133 | //function : Constructor |
| 134 | //purpose : ConeAngle dimension |
| 135 | //======================================================================= |
| 136 | |
| 137 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aCone, |
| 138 | const Standard_Real aVal, |
| 139 | const TCollection_ExtendedString& aText): |
| 140 | myNbShape(1) |
| 141 | { |
| 142 | //#ifdef DEB |
| 143 | cout << "Call new AngleDimension for cone's angle" << endl; |
| 144 | //#endif |
| 145 | |
| 146 | gp_Pnt tmpPnt(0., 0., 0.); |
| 147 | |
| 148 | myCone = aCone; |
| 149 | myVal = aVal; |
| 150 | myText = aText; |
| 151 | myPosition = tmpPnt; |
| 152 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 153 | myAutomaticPosition = Standard_True; |
| 154 | |
| 155 | myArrowSize = 0.0; |
| 156 | |
| 157 | } |
| 158 | |
| 159 | |
| 160 | //======================================================================= |
| 161 | //function : Constructor |
| 162 | //purpose : TwoEdgesAngle dimension |
| 163 | //======================================================================= |
| 164 | |
| 165 | |
| 166 | AIS_AngleDimension::AIS_AngleDimension(const TopoDS_Edge& aFirstEdge, |
| 167 | const TopoDS_Edge& aSecondEdge, |
| 168 | const Handle (Geom_Plane)& aPlane, |
| 169 | const Standard_Real aVal, |
| 170 | const TCollection_ExtendedString& aText) |
| 171 | :AIS_Relation(), |
| 172 | myNbShape(2) |
| 173 | { |
| 174 | #ifdef DEB |
| 175 | cout << endl << "Call new AngleDimension for edges, default" << endl; |
| 176 | #endif |
| 177 | |
| 178 | myFShape = aFirstEdge; |
| 179 | mySShape = aSecondEdge; |
| 180 | myVal = aVal; |
| 181 | myPlane = aPlane; |
| 182 | myText = aText; |
| 183 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 184 | myAutomaticPosition = Standard_True; |
| 185 | |
| 186 | myArrowSize = myVal / 100.; |
| 187 | } |
| 188 | |
| 189 | //======================================================================= |
| 190 | //function : Constructor |
| 191 | //purpose : TwoEdgesAngle dimension (avec position et texte) |
| 192 | //======================================================================= |
| 193 | |
| 194 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Edge& aFirstEdge, |
| 195 | const TopoDS_Edge& aSecondEdge, |
| 196 | const Handle (Geom_Plane)& aPlane, |
| 197 | const Standard_Real aVal, |
| 198 | const TCollection_ExtendedString& aText, |
| 199 | const gp_Pnt& aPosition, |
| 200 | const DsgPrs_ArrowSide aSymbolPrs, |
| 201 | const Standard_Real anArrowSize): |
| 202 | myNbShape(2) |
| 203 | { |
| 204 | #ifdef DEB |
| 205 | cout << endl << "Call new AngleDimension for edges" << endl; |
| 206 | #endif |
| 207 | |
| 208 | myFShape = aFirstEdge; |
| 209 | mySShape = aSecondEdge; |
| 210 | myVal = aVal; |
| 211 | myPlane = aPlane; |
| 212 | myText = aText; |
| 213 | mySymbolPrs = aSymbolPrs; |
| 214 | myAutomaticPosition = Standard_False; |
| 215 | #ifdef BUC60915 |
| 216 | SetArrowSize( anArrowSize ); |
| 217 | #else |
| 218 | myArrowSize = anArrowSize; |
| 219 | #endif |
| 220 | myPosition = aPosition; |
| 221 | |
| 222 | } |
| 223 | |
| 224 | //======================================================================= |
| 225 | //function : Constructor |
| 226 | //purpose : TwoPlanarFacesAngle dimension |
| 227 | //======================================================================= |
| 228 | |
| 229 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aFirstFace, |
| 230 | const TopoDS_Face& aSecondFace, |
| 231 | const gp_Ax1& anAxis, |
| 232 | const Standard_Real aVal, |
| 233 | const TCollection_ExtendedString& aText): |
| 234 | myNbShape(2), |
| 235 | myAxis(anAxis) |
| 236 | { |
| 237 | #ifdef DEB |
| 238 | cout << endl << "Call new AngleDimension for planar faces, default" << endl; |
| 239 | #endif |
| 240 | |
| 241 | myFShape = aFirstFace; |
| 242 | mySShape = aSecondFace; |
| 243 | |
| 244 | AIS::GetPlaneFromFace( aFirstFace, myFirstPlane, myFirstBasisSurf, myFirstSurfType, myFirstOffset ); |
| 245 | AIS::GetPlaneFromFace( aSecondFace, mySecondPlane, mySecondBasisSurf, mySecondSurfType, mySecondOffset ); |
| 246 | |
| 247 | //POP init champ myPlane |
| 248 | myPlane = new Geom_Plane(myFirstPlane); |
| 249 | |
| 250 | myVal = aVal; |
| 251 | myText = aText; |
| 252 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 253 | myAutomaticPosition = Standard_True; |
| 254 | |
| 255 | myArrowSize = myVal / 100.; |
| 256 | } |
| 257 | |
| 258 | //======================================================================= |
| 259 | //function : Constructor |
| 260 | //purpose : TwoPlanarFacesAngle dimension (avec position et texte) |
| 261 | //======================================================================= |
| 262 | |
| 263 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aFirstFace, |
| 264 | const TopoDS_Face& aSecondFace, |
| 265 | const gp_Ax1& anAxis, |
| 266 | const Standard_Real aVal, |
| 267 | const TCollection_ExtendedString& aText, |
| 268 | const gp_Pnt& aPosition, |
| 269 | const DsgPrs_ArrowSide aSymbolPrs, |
| 270 | const Standard_Real anArrowSize): |
| 271 | myNbShape(2), |
| 272 | myAxis(anAxis) |
| 273 | { |
| 274 | #ifdef DEB |
| 275 | cout << endl << "Call new AngleDimension for planar faces" << endl; |
| 276 | #endif |
| 277 | |
| 278 | myFShape = aFirstFace; |
| 279 | mySShape = aSecondFace; |
| 280 | |
| 281 | AIS::GetPlaneFromFace( aFirstFace, myFirstPlane, myFirstBasisSurf, myFirstSurfType, myFirstOffset ); |
| 282 | AIS::GetPlaneFromFace( aSecondFace, mySecondPlane, mySecondBasisSurf, mySecondSurfType, mySecondOffset ); |
| 283 | |
| 284 | //POP init champ myPlane |
| 285 | myPlane = new Geom_Plane(myFirstPlane); |
| 286 | |
| 287 | myVal = aVal; |
| 288 | myText = aText; |
| 289 | mySymbolPrs = aSymbolPrs; |
| 290 | myAutomaticPosition = Standard_False; |
| 291 | #ifdef BUC60915 |
| 292 | SetArrowSize( anArrowSize ); |
| 293 | #else |
| 294 | myArrowSize = anArrowSize; |
| 295 | #endif |
| 296 | myPosition = aPosition; |
| 297 | } |
| 298 | |
| 299 | |
| 300 | //======================================================================= |
| 301 | //function : AIS_AngleDimension |
| 302 | //purpose : Two curvilinear faces dimension |
| 303 | //======================================================================= |
| 304 | |
| 305 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aFFace, |
| 306 | const TopoDS_Face& aSFace, |
| 307 | const Standard_Real aVal, |
| 308 | const TCollection_ExtendedString& aText ): |
| 309 | myNbShape(2) |
| 310 | { |
| 311 | #ifdef DEB |
| 312 | cout << endl << "Call new AngleDimension for curvilinear faces, default" << endl; |
| 313 | #endif |
| 314 | |
| 315 | SetFirstShape( aFFace ); |
| 316 | SetSecondShape( aSFace ); |
| 317 | myVal = aVal; |
| 318 | |
| 319 | myText = aText; |
| 320 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 321 | myAutomaticPosition = Standard_True; |
| 322 | |
| 323 | myArrowSize = myVal / 100.; |
| 324 | } |
| 325 | |
| 326 | //======================================================================= |
| 327 | //function : AIS_AngleDimension |
| 328 | //purpose : |
| 329 | //======================================================================= |
| 330 | |
| 331 | AIS_AngleDimension::AIS_AngleDimension( const TopoDS_Face& aFFace, |
| 332 | const TopoDS_Face& aSFace, |
| 333 | const Standard_Real aVal, |
| 334 | const TCollection_ExtendedString& aText, |
| 335 | const gp_Pnt& aPosition, |
| 336 | const DsgPrs_ArrowSide aSymbolPrs, |
| 337 | const Standard_Real anArrowSize): |
| 338 | myNbShape(2) |
| 339 | { |
| 340 | #ifdef DEB |
| 341 | cout << endl << "Call new AngleDimension for curvilinear faces" << endl; |
| 342 | #endif |
| 343 | |
| 344 | SetFirstShape( aFFace ); |
| 345 | SetSecondShape( aSFace ); |
| 346 | myVal = aVal; |
| 347 | |
| 348 | myText = aText; |
| 349 | mySymbolPrs = DsgPrs_AS_BOTHAR; |
| 350 | myAutomaticPosition = Standard_True; |
| 351 | |
| 352 | mySymbolPrs = aSymbolPrs; |
| 353 | myAutomaticPosition = Standard_False; |
| 354 | #ifdef BUC60915 |
| 355 | SetArrowSize( anArrowSize ); |
| 356 | #else |
| 357 | myArrowSize = anArrowSize; |
| 358 | #endif |
| 359 | myPosition = aPosition; |
| 360 | } |
| 361 | |
| 362 | |
| 363 | //======================================================================= |
| 364 | //function : SetConeFace |
| 365 | //purpose : |
| 366 | //======================================================================= |
| 367 | |
| 368 | void AIS_AngleDimension::SetConeFace( const TopoDS_Face& aConeFace ) |
| 369 | { |
| 370 | myCone = aConeFace; |
| 371 | myAutomaticPosition = Standard_True; |
| 372 | } |
| 373 | |
| 374 | |
| 375 | //======================================================================= |
| 376 | //function : SetFirstShape |
| 377 | //purpose : |
| 378 | //======================================================================= |
| 379 | |
| 380 | void AIS_AngleDimension::SetFirstShape( const TopoDS_Shape& aFShape ) |
| 381 | { |
| 382 | myFShape = aFShape; |
| 383 | |
| 384 | if (myFShape.ShapeType() == TopAbs_FACE) |
| 385 | { |
| 386 | AIS::GetPlaneFromFace( TopoDS::Face( myFShape ), |
| 387 | myFirstPlane, |
| 388 | myFirstBasisSurf, |
| 389 | myFirstSurfType, |
| 390 | myFirstOffset ); |
| 391 | |
| 392 | if (myFirstSurfType == AIS_KOS_Cylinder) |
| 393 | myAxis = (Handle( Geom_CylindricalSurface )::DownCast( myFirstBasisSurf ))->Cylinder().Axis(); |
| 394 | else if (myFirstSurfType == AIS_KOS_Cone) |
| 395 | myAxis = (Handle( Geom_ConicalSurface )::DownCast( myFirstBasisSurf ))->Cone().Axis(); |
| 396 | else if (myFirstSurfType == AIS_KOS_Revolution) |
| 397 | myAxis = (Handle( Geom_SurfaceOfRevolution )::DownCast( myFirstBasisSurf ))->Axis(); |
| 398 | else if (myFirstSurfType == AIS_KOS_Extrusion) |
| 399 | { |
| 400 | myAxis.SetDirection((Handle( Geom_SurfaceOfLinearExtrusion )::DownCast( myFirstBasisSurf )) |
| 401 | ->Direction() ); |
| 402 | //myAxis.SetLocation( ??? ); |
| 403 | } |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | //======================================================================= |
| 408 | //function : SetSecondShape |
| 409 | //purpose : |
| 410 | //======================================================================= |
| 411 | |
| 412 | void AIS_AngleDimension::SetSecondShape( const TopoDS_Shape& aSShape ) |
| 413 | { |
| 414 | mySShape = aSShape; |
| 415 | |
| 416 | if (myFShape.ShapeType() == TopAbs_FACE) |
| 417 | AIS::GetPlaneFromFace( TopoDS::Face( mySShape ), |
| 418 | mySecondPlane, |
| 419 | mySecondBasisSurf, |
| 420 | mySecondSurfType, |
| 421 | mySecondOffset ); |
| 422 | } |
| 423 | |
| 424 | |
| 425 | |
| 426 | |
| 427 | ///======================================================================= |
| 428 | //function : Compute |
| 429 | //purpose : |
| 430 | //======================================================================= |
| 431 | |
| 432 | void AIS_AngleDimension::Compute(const Handle(PrsMgr_PresentationManager3d)&, |
| 433 | const Handle(Prs3d_Presentation)& aPresentation, |
| 434 | const Standard_Integer) |
| 435 | { |
| 436 | aPresentation->Clear(); |
| 437 | |
| 438 | if( myNbShape == 1 ) |
| 439 | { |
| 440 | // cout << "Computing for cone' angle " << endl; |
| 441 | ComputeConeAngle(aPresentation); |
| 442 | return; |
| 443 | } |
| 444 | switch (myFShape.ShapeType()) { |
| 445 | case TopAbs_FACE : |
| 446 | { |
| 447 | // cas angle entre deux faces |
| 448 | ComputeTwoFacesAngle(aPresentation); |
| 449 | } |
| 450 | break; |
| 451 | case TopAbs_EDGE : |
| 452 | { |
| 453 | // cas angle entre deux edges |
| 454 | ComputeTwoEdgesAngle(aPresentation); |
| 455 | } |
| 456 | break; |
| 457 | default: |
| 458 | break; |
| 459 | } |
| 460 | |
| 461 | } |
| 462 | |
| 463 | //======================================================================= |
| 464 | //function : Compute |
| 465 | //purpose : : to avoid warning |
| 466 | //======================================================================= |
| 467 | |
| 468 | void AIS_AngleDimension::Compute(const Handle(Prs3d_Projector)& aProjector, |
| 469 | const Handle(Prs3d_Presentation)& aPresentation) |
| 470 | { |
| 471 | // Standard_NotImplemented::Raise("AIS_AngleDimension::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); |
| 472 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; |
| 473 | } |
| 474 | |
| 475 | //======================================================================= |
| 476 | //function : Compute |
| 477 | //purpose : : to avoid warning |
| 478 | //======================================================================= |
| 479 | |
| 480 | void AIS_AngleDimension::Compute(const Handle(PrsMgr_PresentationManager2d)& aPresentationManager2d, |
| 481 | const Handle(Graphic2d_GraphicObject)& aGraphicObject, |
| 482 | const Standard_Integer anInteger) |
| 483 | { |
| 484 | // Standard_NotImplemented::Raise("AIS_AngleDimension::Compute(const Handle(PrsMgr_PresentationManager2d)&,const Handle(Graphic2d_GraphicObject)&,const Standard_Integer)"); |
| 485 | PrsMgr_PresentableObject::Compute( aPresentationManager2d ,aGraphicObject,anInteger) ; |
| 486 | } |
| 487 | |
| 488 | void AIS_AngleDimension::Compute(const Handle_Prs3d_Projector& aProjector, const Handle_Geom_Transformation& aTransformation, const Handle_Prs3d_Presentation& aPresentation) |
| 489 | { |
| 490 | // Standard_NotImplemented::Raise("AIS_AngleDimension::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)"); |
| 491 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; |
| 492 | } |
| 493 | |
| 494 | //======================================================================= |
| 495 | //function : ComputeSelection |
| 496 | //purpose : |
| 497 | //======================================================================= |
| 498 | |
| 499 | void AIS_AngleDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, |
| 500 | const Standard_Integer) |
| 501 | { |
| 502 | |
| 503 | if ( myNbShape == 1 ) |
| 504 | { |
| 505 | // cout << "Computing selection for cone's angle " << endl; |
| 506 | ComputeConeAngleSelection(aSelection); |
| 507 | return; |
| 508 | } |
| 509 | |
| 510 | |
| 511 | if (myFShape.IsNull()) return; |
| 512 | |
| 513 | if (myFShape.ShapeType() == TopAbs_FACE ) |
| 514 | Compute3DSelection(aSelection); |
| 515 | else |
| 516 | Compute2DSelection(aSelection); |
| 517 | |
| 518 | // Text |
| 519 | Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 ); |
| 520 | Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6)); |
| 521 | Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox( own, |
| 522 | myPosition.X(), |
| 523 | myPosition.Y(), |
| 524 | myPosition.Z(), |
| 525 | myPosition.X() + size, |
| 526 | myPosition.Y() + size, |
| 527 | myPosition.Z() + size); |
| 528 | aSelection->Add(box); |
| 529 | } |
| 530 | |
| 531 | //======================================================================= |
| 532 | //function : ComputeConeAngle |
| 533 | //purpose : |
| 534 | //======================================================================= |
| 535 | |
| 536 | void AIS_AngleDimension::ComputeConeAngle(const Handle(Prs3d_Presentation)& aPresentation) |
| 537 | { |
| 538 | if( myCone.IsNull() ) return; |
| 539 | |
| 540 | gp_Pln aPln; |
| 541 | gp_Cone aCone; |
| 542 | gp_Circ myCircle; |
| 543 | gp_Pnt Apex; |
| 544 | Handle( Geom_Surface ) aSurf; //a surface from the Face |
| 545 | Handle( Geom_OffsetSurface ) aOffsetSurf; |
| 546 | Handle( Geom_ConicalSurface ) aConicalSurf; |
| 547 | Handle( Geom_SurfaceOfRevolution ) aRevSurf; |
| 548 | Handle( Geom_Line ) aLine; |
| 549 | BRepAdaptor_Surface tmpSurf(myCone); |
| 550 | TopoDS_Face aFace; |
| 551 | AIS_KindOfSurface aSurfType; |
| 552 | Standard_Real Offset = 0. ; |
| 553 | Handle( Standard_Type ) aType; |
| 554 | |
| 555 | Standard_Real maxV = tmpSurf.FirstVParameter(); |
| 556 | Standard_Real minV = tmpSurf.LastVParameter(); |
| 557 | |
| 558 | |
| 559 | AIS::GetPlaneFromFace( myCone, aPln, aSurf, aSurfType, Offset ); |
| 560 | |
| 561 | if ( aSurfType == AIS_KOS_Revolution ) { //surface of revolution |
| 562 | |
| 563 | aRevSurf = Handle( Geom_SurfaceOfRevolution )::DownCast( aSurf ); |
| 564 | gp_Lin ln( aRevSurf->Axis() ); |
| 565 | Handle( Geom_Curve ) tmpCrv = aRevSurf->BasisCurve(); |
| 566 | if ( tmpCrv ->DynamicType() != STANDARD_TYPE(Geom_Line) ) return; //Must be a part of line |
| 567 | |
| 568 | Standard_Real par; |
| 569 | gp_Pnt fst = tmpSurf.Value(0., minV); |
| 570 | gp_Pnt lst = tmpSurf.Value(0., maxV); |
| 571 | |
| 572 | gp_Vec vec1(fst, lst); |
| 573 | |
| 574 | par = ElCLib::Parameter( ln, fst ); |
| 575 | gp_Pnt fst2 = ElCLib::Value( par, ln ); //projection fst on ln |
| 576 | par = ElCLib::Parameter( ln, lst ); |
| 577 | gp_Pnt lst2 = ElCLib::Value( par, ln ); //projection lst on ln |
| 578 | |
| 579 | gp_Vec vec2(fst2, lst2); |
| 580 | |
| 581 | // Check if two parts of revolution are parallel ( it's a cylinder ) or normal (it's a circle ) |
| 582 | if( vec1.IsParallel( vec2,Precision::Angular() ) || vec1.IsNormal( vec2,Precision::Angular() ) ) return; |
| 583 | |
| 584 | gce_MakeCone mkCone(aRevSurf->Axis(), fst, lst); |
| 585 | aCone = mkCone.Value(); |
| 586 | Apex = aCone.Apex(); |
| 587 | } |
| 588 | else { |
| 589 | aType = aSurf->DynamicType(); |
| 590 | if ( aType == STANDARD_TYPE(Geom_OffsetSurface) || Offset > 0.01 ) { //offset surface |
| 591 | aOffsetSurf = new Geom_OffsetSurface (aSurf, Offset); |
| 592 | aSurf = aOffsetSurf->Surface(); |
| 593 | BRepBuilderAPI_MakeFace mkFace(aSurf, Precision::Confusion()); |
| 594 | mkFace.Build(); |
| 595 | if( !mkFace.IsDone() ) return; |
| 596 | tmpSurf.Initialize( mkFace.Face() ); |
| 597 | } |
| 598 | |
| 599 | aCone = tmpSurf.Cone(); |
| 600 | aConicalSurf = Handle( Geom_ConicalSurface)::DownCast( aSurf ); |
| 601 | Apex = aConicalSurf->Apex(); |
| 602 | } |
| 603 | |
| 604 | Handle(Geom_Curve) aCurve; //A circle where the angle is drawn |
| 605 | if ( myAutomaticPosition ) { |
| 606 | Standard_Real midV = ( minV + maxV ) / 2.5; |
| 607 | |
| 608 | aCurve = aSurf->VIso(midV); |
| 609 | myCircle = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 610 | |
| 611 | myPosition = ElCLib::Value(M_PI / 2.0, myCircle); |
| 612 | myAutomaticPosition = Standard_False; |
| 613 | } |
| 614 | else { |
| 615 | Standard_Real U, V; |
| 616 | ElSLib::Parameters(aCone, myPosition, U, V); |
| 617 | aCurve = aSurf->VIso(V); |
| 618 | myCircle = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 619 | } |
| 620 | |
| 621 | //__________________________________________________________________ |
| 622 | aCurve = aSurf->VIso(maxV); |
| 623 | gp_Circ CircVmax = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 624 | aCurve = aSurf->VIso(minV); |
| 625 | gp_Circ CircVmin = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 626 | //__________________________________________________________________ |
| 627 | |
| 628 | if( CircVmax.Radius() < CircVmin.Radius() ) { |
| 629 | gp_Circ tmpCirc = CircVmax; |
| 630 | CircVmax = CircVmin; |
| 631 | CircVmin = tmpCirc; |
| 632 | } |
| 633 | |
| 634 | DsgPrs_AnglePresentation::Add(aPresentation, myDrawer, myVal, |
| 635 | myText, myCircle, myPosition, Apex, CircVmin, CircVmax, myArrowSize); |
| 636 | // cout << "ComputeConeAngle is over" << endl; |
| 637 | } |
| 638 | |
| 639 | |
| 640 | //======================================================================= |
| 641 | //function : ComputeTwoFacesAngle |
| 642 | //purpose : |
| 643 | //======================================================================= |
| 644 | |
| 645 | void AIS_AngleDimension::ComputeTwoFacesAngle(const Handle(Prs3d_Presentation)& aPresentation) |
| 646 | { |
| 647 | if (myFirstSurfType == AIS_KOS_Plane) |
| 648 | ComputeTwoPlanarFacesAngle( aPresentation ); |
| 649 | else |
| 650 | ComputeTwoCurvilinearFacesAngle( aPresentation ); |
| 651 | } |
| 652 | |
| 653 | //======================================================================= |
| 654 | //function : ComputeTwoCurvilinearFacesAngle |
| 655 | //purpose : |
| 656 | //======================================================================= |
| 657 | |
| 658 | void AIS_AngleDimension::ComputeTwoCurvilinearFacesAngle(const Handle(Prs3d_Presentation)& aPresentation) |
| 659 | { |
| 660 | AIS::ComputeAngleBetweenCurvilinearFaces( TopoDS::Face( myFShape ), |
| 661 | TopoDS::Face( mySShape ), |
| 662 | myFirstBasisSurf, |
| 663 | mySecondBasisSurf, |
| 664 | myFirstSurfType, |
| 665 | mySecondSurfType, |
| 666 | myAxis, |
| 667 | myVal, |
| 668 | myAutomaticPosition, |
| 669 | myPosition, |
| 670 | myCenter, |
| 671 | myFAttach, |
| 672 | mySAttach, |
| 673 | myFDir, |
| 674 | mySDir, |
| 675 | myPlane ); |
| 676 | if (myAutomaticPosition && myIsSetBndBox) |
| 677 | myPosition = AIS::TranslatePointToBound( myPosition, gp_Dir( gp_Vec( myCenter, myPosition ) ), myBndBox ); |
| 678 | |
| 679 | Handle(Prs3d_AngleAspect) la = myDrawer->AngleAspect(); |
| 680 | Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect(); |
| 681 | #ifdef BUC60915 |
| 682 | if( !myArrowSizeIsDefined ) { |
| 683 | #endif |
| 684 | Standard_Real arrsize = myCenter.Distance( myPosition ); |
| 685 | |
| 686 | if ( (myArrowSize-arrsize) < 0.1 ) arrsize = myArrowSize; |
| 687 | if (arrsize == 0.) arrsize = 1.; |
| 688 | #ifdef BUC60915 |
| 689 | myArrowSize = arrsize; |
| 690 | } |
| 691 | arr->SetLength( myArrowSize ); |
| 692 | #else |
| 693 | arr->SetLength(arrsize); |
| 694 | #endif |
| 695 | |
| 696 | |
| 697 | if (myVal <= Precision::Angular() || Abs( M_PI-myVal ) <= Precision::Angular()) |
| 698 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 699 | myDrawer, |
| 700 | myVal, |
| 701 | myText, |
| 702 | myCenter, |
| 703 | myFAttach, |
| 704 | mySAttach, |
| 705 | myFDir, |
| 706 | mySDir, |
| 707 | myPlane->Pln().Axis().Direction(), |
| 708 | Standard_False, // not plane |
| 709 | myAxis, |
| 710 | myPosition, |
| 711 | mySymbolPrs); |
| 712 | else |
| 713 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 714 | myDrawer, |
| 715 | myVal, |
| 716 | myText, |
| 717 | myCenter, |
| 718 | myFAttach, |
| 719 | mySAttach, |
| 720 | myFDir, |
| 721 | mySDir, |
| 722 | myFDir ^ mySDir, |
| 723 | Standard_False, // not plane |
| 724 | myAxis, |
| 725 | myPosition, |
| 726 | mySymbolPrs); |
| 727 | } |
| 728 | |
| 729 | //======================================================================= |
| 730 | //function : ComputeTwoPlanarFacesAngle |
| 731 | //purpose : |
| 732 | //======================================================================= |
| 733 | |
| 734 | void AIS_AngleDimension::ComputeTwoPlanarFacesAngle( const Handle( Prs3d_Presentation )& aPresentation ) |
| 735 | { |
| 736 | AIS::ComputeAngleBetweenPlanarFaces( TopoDS::Face( myFShape ), |
| 737 | TopoDS::Face( mySShape ), |
| 738 | mySecondBasisSurf, |
| 739 | myAxis, |
| 740 | myVal, |
| 741 | myAutomaticPosition, |
| 742 | myPosition, |
| 743 | myCenter, |
| 744 | myFAttach, |
| 745 | mySAttach, |
| 746 | myFDir, |
| 747 | mySDir ); |
| 748 | if (myAutomaticPosition && myIsSetBndBox) |
| 749 | myPosition = AIS::TranslatePointToBound( myPosition, gp_Dir( gp_Vec( myCenter, myPosition ) ), myBndBox ); |
| 750 | |
| 751 | Handle(Prs3d_AngleAspect) la = myDrawer->AngleAspect(); |
| 752 | Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect(); |
| 753 | #ifdef BUC60915 |
| 754 | if( !myArrowSizeIsDefined ) { |
| 755 | #endif |
| 756 | Standard_Real arrsize = myCenter.Distance( myPosition ); |
| 757 | |
| 758 | if ( (myArrowSize-arrsize) < 0.1 ) arrsize = myArrowSize; |
| 759 | if (arrsize == 0.) arrsize = 1.; |
| 760 | #ifdef BUC60915 |
| 761 | myArrowSize = arrsize; |
| 762 | } |
| 763 | arr->SetLength( myArrowSize ); |
| 764 | #else |
| 765 | arr->SetLength(arrsize); |
| 766 | #endif |
| 767 | |
| 768 | |
| 769 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 770 | myDrawer, |
| 771 | myVal, |
| 772 | myText, |
| 773 | myCenter, |
| 774 | myFAttach, |
| 775 | mySAttach, |
| 776 | myFDir, |
| 777 | mySDir, |
| 778 | myAxis.Direction(), |
| 779 | Standard_True, |
| 780 | myAxis, |
| 781 | myPosition, |
| 782 | mySymbolPrs); |
| 783 | |
| 784 | } |
| 785 | |
| 786 | //======================================================================= |
| 787 | //function : ComputeTwoEdgesAngle |
| 788 | //purpose : |
| 789 | //======================================================================= |
| 790 | |
| 791 | void AIS_AngleDimension::ComputeTwoEdgesAngle(const Handle(Prs3d_Presentation)& aPresentation) |
| 792 | { |
| 793 | BRepAdaptor_Curve cu1(TopoDS::Edge(myFShape)); |
| 794 | BRepAdaptor_Curve cu2(TopoDS::Edge(mySShape)); |
| 795 | if ((cu1.GetType() != GeomAbs_Line) || (cu2.GetType() != GeomAbs_Line)) return; |
| 796 | |
| 797 | // current face |
| 798 | BRepBuilderAPI_MakeFace makeface(myPlane->Pln()); |
| 799 | TopoDS_Face face(makeface.Face()); |
| 800 | BRepAdaptor_Surface adp(makeface.Face()); |
| 801 | |
| 802 | // 3d lines |
| 803 | Handle(Geom_Line) geom_lin1,geom_lin2; |
| 804 | gp_Pnt ptat11,ptat12,ptat21,ptat22;//,pint3d; |
| 805 | Standard_Boolean isInfinite1,isInfinite2; |
| 806 | Handle(Geom_Curve) extCurv; |
| 807 | Standard_Integer copyOfMyExtShape = myExtShape; |
| 808 | if (!AIS::ComputeGeometry(TopoDS::Edge(myFShape), |
| 809 | TopoDS::Edge(mySShape), |
| 810 | myExtShape, |
| 811 | geom_lin1, |
| 812 | geom_lin2, |
| 813 | ptat11, |
| 814 | ptat12, |
| 815 | ptat21, |
| 816 | ptat22, |
| 817 | extCurv, |
| 818 | isInfinite1, |
| 819 | isInfinite2, |
| 820 | myPlane)) { |
| 821 | return; |
| 822 | } |
| 823 | // Temporary: computation of myVal |
| 824 | // myVal = Abs(geom_lin1->Lin().Angle( geom_lin2->Lin())); // Pb with angles JPR |
| 825 | |
| 826 | if (copyOfMyExtShape != 0) myExtShape = copyOfMyExtShape; |
| 827 | |
| 828 | // 2d lines => projection of 3d on current plane |
| 829 | |
| 830 | //POP pour NT |
| 831 | Handle(Geom2d_Curve) geoC1 = GeomAPI::To2d(geom_lin1,myPlane->Pln()); |
| 832 | Handle(Geom2d_Line) lin1_2d = *((Handle(Geom2d_Line)*)& geoC1); |
| 833 | Handle(Geom2d_Curve) geoC2 = GeomAPI::To2d(geom_lin2,myPlane->Pln()); |
| 834 | Handle(Geom2d_Line) lin2_2d = *((Handle(Geom2d_Line)*)& geoC2); |
| 835 | |
| 836 | #ifdef BUC60915 |
| 837 | if( !myArrowSizeIsDefined ) { |
| 838 | #endif |
| 839 | Standard_Real arrSize1(myArrowSize),arrSize2(myArrowSize); |
| 840 | if (!isInfinite1) arrSize1 = ptat11.Distance(ptat12)/100.; |
| 841 | if (!isInfinite2) arrSize2 = ptat21.Distance(ptat22)/100.; |
| 842 | #ifdef BUC60655 |
| 843 | myArrowSize = Min(myArrowSize,Max(arrSize1,arrSize2)); |
| 844 | #else |
| 845 | myArrowSize = Min(myArrowSize,Min(arrSize1,arrSize2)); |
| 846 | #endif |
| 847 | #ifdef BUC60915 |
| 848 | } |
| 849 | #endif |
| 850 | |
| 851 | |
| 852 | // Processing in case of 2 parallel straight lines |
| 853 | if (lin1_2d->Lin2d().Direction() |
| 854 | .IsParallel(lin2_2d->Lin2d().Direction(),Precision::Angular())) { |
| 855 | ComputeTwoEdgesNullAngle(aPresentation, |
| 856 | geom_lin1, |
| 857 | geom_lin2, |
| 858 | ptat11,ptat12, |
| 859 | ptat21,ptat22, |
| 860 | isInfinite1,isInfinite2); |
| 861 | } |
| 862 | |
| 863 | // Processing in case of 2 non-parallel straight lines |
| 864 | else { |
| 865 | ComputeTwoEdgesNotNullAngle(aPresentation, |
| 866 | geom_lin1, |
| 867 | geom_lin2, |
| 868 | ptat11, |
| 869 | ptat12, |
| 870 | ptat21, |
| 871 | ptat22, |
| 872 | isInfinite1,isInfinite2); |
| 873 | } |
| 874 | if ( (myExtShape != 0) && !extCurv.IsNull()) { |
| 875 | gp_Pnt pf, pl; |
| 876 | if ( myExtShape == 1 ) { |
| 877 | if (!isInfinite1) { |
| 878 | pf = ptat11; |
| 879 | pl = ptat12; |
| 880 | } |
| 881 | aPresentation->SetInfiniteState(isInfinite1); |
| 882 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(myFShape),geom_lin1,pf,pl); |
| 883 | } |
| 884 | else { |
| 885 | if (!isInfinite2) { |
| 886 | pf = ptat21; |
| 887 | pl = ptat22; |
| 888 | } |
| 889 | aPresentation->SetInfiniteState(isInfinite2); |
| 890 | ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(mySShape),geom_lin2,pf,pl); |
| 891 | } |
| 892 | } |
| 893 | } |
| 894 | |
| 895 | |
| 896 | //======================================================================= |
| 897 | //function : ComputeTwoEdgesNotNullAngle |
| 898 | //purpose : |
| 899 | //======================================================================= |
| 900 | |
| 901 | void AIS_AngleDimension::ComputeTwoEdgesNotNullAngle(const Handle(Prs3d_Presentation)& aPresentation, |
| 902 | const Handle(Geom_Line)& l1, |
| 903 | const Handle(Geom_Line)& l2, |
| 904 | const gp_Pnt& ptat11, |
| 905 | const gp_Pnt& ptat12, |
| 906 | const gp_Pnt& ptat21, |
| 907 | const gp_Pnt& ptat22, |
| 908 | const Standard_Boolean isInfinite1, |
| 909 | const Standard_Boolean isInfinite2) |
| 910 | { |
| 911 | // current face |
| 912 | BRepBuilderAPI_MakeFace makeface(myPlane->Pln()); |
| 913 | TopoDS_Face face(makeface.Face()); |
| 914 | BRepAdaptor_Surface adp(makeface.Face()); |
| 915 | // 2d lines => projection of 3d on current plane |
| 916 | Handle(Geom2d_Curve) geoC1 = GeomAPI::To2d(l1,myPlane->Pln()); |
| 917 | const Handle(Geom2d_Line)& l1_2d = *((Handle(Geom2d_Line)*)& geoC1); |
| 918 | Handle(Geom2d_Curve) geoC2 = GeomAPI::To2d(l2,myPlane->Pln()); |
| 919 | const Handle(Geom2d_Line)& l2_2d = *((Handle(Geom2d_Line)*)& geoC2); |
| 920 | |
| 921 | //---------------------------------------------------------- |
| 922 | // Computation of myCenter |
| 923 | //---------------------------------------------------------- |
| 924 | IntAna2d_AnaIntersection inter(l1_2d->Lin2d(),l2_2d->Lin2d()); |
| 925 | if (!inter.IsDone()) return; |
| 926 | if (!inter.NbPoints()) return; |
| 927 | |
| 928 | gp_Pnt2d pint(inter.Point(1).Value()); |
| 929 | myCenter = adp.Value(pint.X(),pint.Y()); |
| 930 | |
| 931 | //---------------------------------------------------------- |
| 932 | // Computation of the 2 directions |
| 933 | //---------------------------------------------------------- |
| 934 | gp_Dir d1,d2; |
| 935 | if (!isInfinite1) { |
| 936 | if (myCenter.SquareDistance(ptat11) > myCenter.SquareDistance(ptat12)) d1 = gp_Dir(gp_Vec(myCenter,ptat11)); |
| 937 | else d1 = gp_Dir(gp_Vec(myCenter,ptat12)); |
| 938 | } |
| 939 | else d1 = l1->Lin().Direction(); |
| 940 | |
| 941 | if (!isInfinite2) { |
| 942 | if (myCenter.SquareDistance(ptat21) > myCenter.SquareDistance(ptat22)) d2 = gp_Dir(gp_Vec(myCenter,ptat21)); |
| 943 | else d2 = gp_Dir(gp_Vec(myCenter,ptat22)); |
| 944 | } |
| 945 | else d2 = l2->Lin().Direction(); |
| 946 | if (!isInfinite1) { |
| 947 | Standard_Boolean In1(Standard_False); |
| 948 | Standard_Boolean In2(Standard_False); |
| 949 | if ( !(Abs(d1.Angle(d2) - Abs(myVal)) <= Precision::Confusion()) |
| 950 | && (Abs(myVal) < M_PI) ) { |
| 951 | Standard_Real parcent1 = ElCLib::Parameter(l1->Lin(), myCenter); |
| 952 | Standard_Real par11 = ElCLib::Parameter(l1->Lin(), ptat11); |
| 953 | Standard_Real par12 = ElCLib::Parameter(l1->Lin(), ptat12); |
| 954 | if ( par11 < par12) { |
| 955 | if ( ( parcent1> par11) && (parcent1< par12)) { |
| 956 | In1 = Standard_True; |
| 957 | d1.Reverse(); |
| 958 | } |
| 959 | } |
| 960 | else { |
| 961 | if ( ( parcent1> par12) && (parcent1< par11)) { |
| 962 | In1 = Standard_True; |
| 963 | d1.Reverse(); |
| 964 | } |
| 965 | } |
| 966 | if ( !In1) { |
| 967 | In2 = Standard_True; |
| 968 | d2.Reverse(); |
| 969 | } |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | myFDir = d1; |
| 974 | mySDir = d2; |
| 975 | gp_Lin theaxis; |
| 976 | gp_Lin gpl1 = l1->Lin(); |
| 977 | gp_Lin gpl2 = l2->Lin(); |
| 978 | theaxis = gp_Lin(myCenter,myFDir^mySDir); |
| 979 | |
| 980 | if (myVal > M_PI) { |
| 981 | theaxis.Reverse(); |
| 982 | } |
| 983 | |
| 984 | gp_Pnt curpos; |
| 985 | TColStd_Array1OfReal tabdist(1,4); |
| 986 | if (!isInfinite1) { |
| 987 | tabdist(1) = theaxis.Distance(ptat11); |
| 988 | tabdist(2) = theaxis.Distance(ptat12); |
| 989 | } |
| 990 | else { |
| 991 | tabdist(1) = tabdist(2) = 0.; |
| 992 | } |
| 993 | |
| 994 | if (!isInfinite2) { |
| 995 | tabdist(3) = theaxis.Distance(ptat21); |
| 996 | tabdist(4) = theaxis.Distance(ptat22); |
| 997 | } |
| 998 | else { |
| 999 | tabdist(3) = tabdist(4) = 0.; |
| 1000 | } |
| 1001 | |
| 1002 | if (myAutomaticPosition) { |
| 1003 | Standard_Real length_1(RealLast()); |
| 1004 | if (!isInfinite1) length_1 = .75*Abs(tabdist(2)-tabdist(1))+Min(tabdist(1),tabdist(2)); |
| 1005 | |
| 1006 | Standard_Real length_2(RealLast()); |
| 1007 | if (!isInfinite2) length_2 = .75*Abs(tabdist(4)-tabdist(3))+Min(tabdist(3),tabdist(4)); |
| 1008 | Standard_Real theLength(Min(length_1,length_2)); |
| 1009 | if (Precision::IsInfinite(theLength)) theLength = 50.; |
| 1010 | |
| 1011 | myFAttach = myCenter.Translated(gp_Vec(d1)*theLength); |
| 1012 | mySAttach = myCenter.Translated(gp_Vec(d2)*theLength); |
| 1013 | |
| 1014 | if (!isInfinite1) { |
| 1015 | Standard_Real par_p1_attach(ElCLib::Parameter(gpl1,myFAttach)); |
| 1016 | Standard_Real par11 = ElCLib::Parameter(gpl1,ptat11); |
| 1017 | Standard_Real par12 = ElCLib::Parameter(gpl1,ptat12); |
| 1018 | if (par_p1_attach > par11 && par_p1_attach > par12) { |
| 1019 | par_p1_attach = Max(par11,par12); |
| 1020 | myFAttach = ElCLib::Value(par_p1_attach,gpl1); |
| 1021 | } |
| 1022 | else if (par_p1_attach < par11 && par_p1_attach < par12) { |
| 1023 | par_p1_attach = Min(par11,par12); |
| 1024 | myFAttach = ElCLib::Value(par_p1_attach,gpl1); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | if (!isInfinite2) { |
| 1029 | Standard_Real par_p2_attach(ElCLib::Parameter(gpl2,mySAttach)); |
| 1030 | Standard_Real par21 = ElCLib::Parameter(gpl2,ptat21); |
| 1031 | Standard_Real par22 = ElCLib::Parameter(gpl2,ptat22); |
| 1032 | if (par_p2_attach > par21 && par_p2_attach > par22) { |
| 1033 | par_p2_attach = Max(par21,par22); |
| 1034 | mySAttach = ElCLib::Value(par_p2_attach,gpl2); |
| 1035 | } |
| 1036 | else if (par_p2_attach < par21 && par_p2_attach < par22) { |
| 1037 | par_p2_attach = Min(par21,par22); |
| 1038 | mySAttach = ElCLib::Value(par_p2_attach,gpl2); |
| 1039 | } |
| 1040 | } |
| 1041 | if ( myVal < M_PI) curpos.SetXYZ(.5*(myFAttach.XYZ()+mySAttach.XYZ())); |
| 1042 | else { |
| 1043 | curpos.SetXYZ(.5*(myFAttach.XYZ()+mySAttach.XYZ())); |
| 1044 | gp_Vec transl(curpos, myCenter); |
| 1045 | transl*= 2; |
| 1046 | curpos.Translate(transl); |
| 1047 | } |
| 1048 | |
| 1049 | gp_Ax2 ax(myCenter,myFDir.Crossed(mySDir),myFDir); |
| 1050 | gp_Circ circle(ax,theLength); |
| 1051 | Standard_Real par = ElCLib::Parameter(circle,curpos); |
| 1052 | curpos = ElCLib::Value(par,circle); |
| 1053 | |
| 1054 | // small offset like in LengthDimension |
| 1055 | gp_Vec transl(myCenter, curpos); |
| 1056 | transl*= 0.3; |
| 1057 | curpos.Translate(transl); |
| 1058 | |
| 1059 | if (myIsSetBndBox) |
| 1060 | curpos = AIS::TranslatePointToBound( curpos, gp_Dir( gp_Vec( myCenter, curpos ) ), myBndBox ); |
| 1061 | |
| 1062 | myPosition = curpos; |
| 1063 | myAutomaticPosition = Standard_True; |
| 1064 | } |
| 1065 | |
| 1066 | else { |
| 1067 | // point is projected on the plane |
| 1068 | gp_Pnt2d pointOnPln(ProjLib::Project(myPlane->Pln(),myPosition)); |
| 1069 | myPosition = BRepAdaptor_Surface(BRepBuilderAPI_MakeFace(myPlane->Pln()).Face()).Value(pointOnPln.X(),pointOnPln.Y()); |
| 1070 | curpos = myPosition; |
| 1071 | Standard_Real dist(curpos.Distance(myCenter)); |
| 1072 | if (dist<=Precision::Confusion()) { |
| 1073 | gp_XYZ delta(1.,1.,1.); |
| 1074 | curpos.SetXYZ(curpos.XYZ()+delta); |
| 1075 | dist = curpos.Distance(myCenter); |
| 1076 | } |
| 1077 | // To learn if it is necessary to take distance -dist or not |
| 1078 | // it is necessary to know if we are in the sector opposite to the angle |
| 1079 | // if not : we are in the opposite sector if the coordinates |
| 1080 | // of curpos in point (d1,d2) are negative |
| 1081 | gp_Ax2 ax(myCenter,myFDir.Crossed(mySDir),myFDir); |
| 1082 | gp_Circ circle(ax,dist); |
| 1083 | #ifdef DEB |
| 1084 | // gp_Pnt p1(myCenter.Translated(gp_Vec(d1)*dist)); |
| 1085 | #endif |
| 1086 | gp_Pnt p2(myCenter.Translated(gp_Vec(d2)*dist)); |
| 1087 | Standard_Real uc1 = 0; |
| 1088 | Standard_Real uc2 = ElCLib::Parameter(circle, p2 ); |
| 1089 | Standard_Real uco = ElCLib::Parameter(circle, curpos ); |
| 1090 | Standard_Real udeb = uc1; |
| 1091 | Standard_Real ufin = uc2; |
| 1092 | if (uco > ufin) { |
| 1093 | if (Abs(myVal)<M_PI) { |
| 1094 | // test if uco is in the opposite sector |
| 1095 | if (uco > udeb+M_PI && uco < ufin+M_PI){ |
| 1096 | dist = -dist; |
| 1097 | } |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | gp_Pnt p1_attach(myCenter.Translated(gp_Vec(d1)*dist)); |
| 1102 | gp_Pnt p2_attach(myCenter.Translated(gp_Vec(d2)*dist)); |
| 1103 | |
| 1104 | if (!isInfinite1) { |
| 1105 | Standard_Real par_p1_attach(ElCLib::Parameter(gpl1,p1_attach)); |
| 1106 | Standard_Real par11 = ElCLib::Parameter(gpl1,ptat11); |
| 1107 | Standard_Real par12 = ElCLib::Parameter(gpl1,ptat12); |
| 1108 | if (par_p1_attach > par11 && par_p1_attach > par12) { |
| 1109 | par_p1_attach = Max(par11,par12); |
| 1110 | p1_attach = ElCLib::Value(par_p1_attach,gpl1); |
| 1111 | } |
| 1112 | else if (par_p1_attach < par11 && par_p1_attach < par12) { |
| 1113 | par_p1_attach = Min(par11,par12); |
| 1114 | p1_attach = ElCLib::Value(par_p1_attach,gpl1); |
| 1115 | } |
| 1116 | } |
| 1117 | myFAttach = p1_attach; |
| 1118 | |
| 1119 | if (!isInfinite2) { |
| 1120 | Standard_Real par_p2_attach(ElCLib::Parameter(gpl2,p2_attach)); |
| 1121 | Standard_Real par21 = ElCLib::Parameter(gpl2,ptat21); |
| 1122 | Standard_Real par22 = ElCLib::Parameter(gpl2,ptat22); |
| 1123 | if (par_p2_attach > par21 && par_p2_attach > par22) { |
| 1124 | par_p2_attach = Max(par21,par22); |
| 1125 | p2_attach = ElCLib::Value(par_p2_attach,gpl2); |
| 1126 | } |
| 1127 | else if (par_p2_attach < par21 && par_p2_attach < par22) { |
| 1128 | par_p2_attach = Min(par21,par22); |
| 1129 | p2_attach = ElCLib::Value(par_p2_attach,gpl2); |
| 1130 | } |
| 1131 | } |
| 1132 | mySAttach = p2_attach; |
| 1133 | } |
| 1134 | myAxis = theaxis.Position(); |
| 1135 | |
| 1136 | //-------------------------------------------------------- |
| 1137 | // Computation of the presentation |
| 1138 | //-------------------------------------------------------- |
| 1139 | Handle(Prs3d_AngleAspect) la = myDrawer->AngleAspect(); |
| 1140 | Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect(); |
| 1141 | |
| 1142 | arr->SetLength(myArrowSize); |
| 1143 | |
| 1144 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 1145 | myDrawer, |
| 1146 | myVal, |
| 1147 | myText, |
| 1148 | myCenter, |
| 1149 | myFAttach, |
| 1150 | mySAttach, |
| 1151 | myFDir, |
| 1152 | mySDir, |
| 1153 | curpos, |
| 1154 | mySymbolPrs); |
| 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | |
| 1159 | //======================================================================= |
| 1160 | //function : ComputeTwoEdgesNullAngle |
| 1161 | //purpose : compute the presentation of a angle dimension if it's null. |
| 1162 | // -> the aim of the computation is to have a constant radius |
| 1163 | // during the dimension moving : the radius is independant |
| 1164 | // of the cursor position, it's equal to a arbitrary value |
| 1165 | //======================================================================= |
| 1166 | |
| 1167 | void AIS_AngleDimension::ComputeTwoEdgesNullAngle(const Handle(Prs3d_Presentation)& aPresentation, |
| 1168 | const Handle(Geom_Line)& l1, |
| 1169 | const Handle(Geom_Line)& l2, |
| 1170 | const gp_Pnt& ptat11, |
| 1171 | const gp_Pnt& ptat12, |
| 1172 | const gp_Pnt& ptat21, |
| 1173 | const gp_Pnt& ptat22, |
| 1174 | const Standard_Boolean isInfinite1, |
| 1175 | const Standard_Boolean isInfinite2) |
| 1176 | { |
| 1177 | // current face |
| 1178 | BRepBuilderAPI_MakeFace makeface(myPlane->Pln()); |
| 1179 | TopoDS_Face face(makeface.Face()); |
| 1180 | BRepAdaptor_Surface adp(makeface.Face()); |
| 1181 | // 2d lines => projection of 3d on current plane |
| 1182 | Handle(Geom2d_Curve) geoC1 = GeomAPI::To2d(l1,myPlane->Pln()); |
| 1183 | Handle(Geom2d_Line) l1_2d = *((Handle(Geom2d_Line)*)& geoC1); |
| 1184 | Handle(Geom2d_Curve) geoC2 = GeomAPI::To2d(l2,myPlane->Pln()); |
| 1185 | Handle(Geom2d_Line) l2_2d = *((Handle(Geom2d_Line)*)& geoC2); |
| 1186 | |
| 1187 | gp_Lin gpl1 = l1->Lin(); |
| 1188 | gp_Lin gpl2 = l2->Lin(); |
| 1189 | |
| 1190 | //------------------------------------------------------------ |
| 1191 | // Computation of myCenter |
| 1192 | // -> Point located on the median of 2 straight lines, |
| 1193 | // is calculated as located between 2 closest points |
| 1194 | // of each straight line. |
| 1195 | //----------------------------------------------------------- |
| 1196 | // theLength : radius of the future circle |
| 1197 | Standard_Real theLength = gpl1.Distance(gpl2.Location()); |
| 1198 | // processing of the particular case when 2 straight lines are coincident |
| 1199 | Standard_Boolean SameLines(Standard_False); |
| 1200 | if ( theLength <= Precision::Confusion()) { |
| 1201 | SameLines = Standard_True; |
| 1202 | if (!isInfinite1) { |
| 1203 | if (!isInfinite2) theLength = 0.75 * Max( ptat11.Distance(ptat12), ptat21.Distance(ptat22)); |
| 1204 | else theLength = 0.75*ptat11.Distance(ptat12); |
| 1205 | } |
| 1206 | else { |
| 1207 | if (!isInfinite2) theLength = 0.75*ptat21.Distance(ptat22); |
| 1208 | else theLength = 50.; |
| 1209 | } |
| 1210 | } |
| 1211 | else theLength = theLength*8/10; |
| 1212 | |
| 1213 | gp_Pnt pmin1 ,pmin2; |
| 1214 | if (!isInfinite1 && !isInfinite2) { |
| 1215 | pmin1 = ptat11; pmin2 = ptat21; |
| 1216 | Standard_Real dis = ptat11.Distance(ptat21); |
| 1217 | Standard_Real dis2 = ptat11.Distance(ptat22); |
| 1218 | if ( dis2 < dis) { |
| 1219 | pmin1 = ptat11; |
| 1220 | pmin2 = ptat22; |
| 1221 | dis = dis2; |
| 1222 | } |
| 1223 | dis2 = ptat12.Distance(ptat22); |
| 1224 | if ( dis2 < dis) { |
| 1225 | pmin1 = ptat12; |
| 1226 | pmin2 = ptat22; |
| 1227 | dis = dis2; |
| 1228 | } |
| 1229 | dis2 = ptat12.Distance(ptat21); |
| 1230 | if ( dis2 < dis) { |
| 1231 | pmin1 = ptat12; |
| 1232 | pmin2 = ptat21; |
| 1233 | dis = dis2; |
| 1234 | } |
| 1235 | myCenter.SetXYZ( (pmin1.XYZ() + pmin2.XYZ()) / 2. ); |
| 1236 | } |
| 1237 | else { |
| 1238 | gp_Pnt pntOnl1 = gpl1.Location(); |
| 1239 | gp_Pnt pntOnl2 = ElCLib::Value(ElCLib::Parameter(gpl1,pntOnl1),gpl2); |
| 1240 | myCenter.SetXYZ( (pntOnl1.XYZ() + pntOnl2.XYZ()) / 2. ); |
| 1241 | } |
| 1242 | |
| 1243 | |
| 1244 | // directions |
| 1245 | gp_Dir d1,d2; |
| 1246 | if (!isInfinite1) { |
| 1247 | if (myCenter.SquareDistance(ptat11) > myCenter.SquareDistance(ptat12)) d1 = gp_Dir(gp_Vec(myCenter,ptat11)); |
| 1248 | else d1 = gp_Dir(gp_Vec(myCenter,ptat12)); |
| 1249 | } |
| 1250 | else d1 = gpl1.Direction(); |
| 1251 | |
| 1252 | if (!isInfinite2) { |
| 1253 | if (myCenter.SquareDistance(ptat21) > myCenter.SquareDistance(ptat22)) d2 = gp_Dir(gp_Vec(myCenter,ptat21)); |
| 1254 | else d2 = gp_Dir(gp_Vec(myCenter,ptat22)); |
| 1255 | } |
| 1256 | else d2 = gpl2.Direction(); |
| 1257 | |
| 1258 | gp_Dir theaxis; |
| 1259 | if ( SameLines ) theaxis = myPlane->Pln().Axis().Direction(); |
| 1260 | else { |
| 1261 | theaxis = gp_Dir(d1^d2); |
| 1262 | gp_Vec V1(d1); gp_Vec V2(d2); |
| 1263 | if ( V1.CrossMagnitude(V2) < 0 ) theaxis.Reverse(); |
| 1264 | } |
| 1265 | |
| 1266 | gp_Pnt curpos; // cursor position |
| 1267 | TColStd_Array1OfReal tabdist(1,4); |
| 1268 | gp_Pnt P1, P2; // points at intersection of the circle with 2 straight lines |
| 1269 | |
| 1270 | if (myAutomaticPosition) { |
| 1271 | if (!isInfinite1) { |
| 1272 | tabdist(1) = myCenter.Distance(ptat11); |
| 1273 | tabdist(2) = myCenter.Distance(ptat12); |
| 1274 | } |
| 1275 | else { |
| 1276 | tabdist(1) = tabdist(2) = 0.; |
| 1277 | } |
| 1278 | if (!isInfinite2) { |
| 1279 | tabdist(3) = myCenter.Distance(ptat21); |
| 1280 | tabdist(4) = myCenter.Distance(ptat22); |
| 1281 | } |
| 1282 | else { |
| 1283 | tabdist(3) = tabdist(4) = 0.; |
| 1284 | } |
| 1285 | if ( SameLines ) { |
| 1286 | Standard_Real dist1(RealLast()); |
| 1287 | if (!isInfinite1) dist1 = Max(tabdist(1),tabdist(2)); |
| 1288 | Standard_Real dist2(RealLast()); |
| 1289 | if (!isInfinite2) dist2 = Max(tabdist(3),tabdist(4)); |
| 1290 | |
| 1291 | myFAttach = myCenter; |
| 1292 | mySAttach = myCenter; |
| 1293 | P1 = myFAttach; |
| 1294 | P2 = mySAttach; |
| 1295 | |
| 1296 | myCenter.Translate(gp_Vec(d1)*theLength); |
| 1297 | |
| 1298 | // calculate attachments of the face |
| 1299 | // -> they are points of intersection if |
| 1300 | // intersection is outside of the edges |
| 1301 | Standard_Real pparam = ElCLib::Parameter(gpl1,myFAttach); |
| 1302 | Standard_Real pparam1 = ElCLib::Parameter(gpl1,ptat11); |
| 1303 | Standard_Real pparam2 = ElCLib::Parameter(gpl1,ptat12); |
| 1304 | if (!isInfinite1) { |
| 1305 | if ( pparam1 < pparam2 ) { |
| 1306 | if ( pparam < pparam1 ) myFAttach = ptat11; |
| 1307 | else if ( pparam > pparam2) myFAttach = ptat12; |
| 1308 | } |
| 1309 | else { |
| 1310 | if ( pparam < pparam2) myFAttach = ptat12; |
| 1311 | else if ( pparam > pparam1) myFAttach = ptat11; |
| 1312 | } |
| 1313 | } |
| 1314 | if (!isInfinite2) { |
| 1315 | pparam = ElCLib::Parameter(gpl2,myFAttach); |
| 1316 | pparam1 = ElCLib::Parameter(gpl2,ptat21); |
| 1317 | pparam2 = ElCLib::Parameter(gpl2,ptat22); |
| 1318 | if ( pparam1 < pparam2 ) { |
| 1319 | if ( pparam < pparam1 ) mySAttach = ptat21; |
| 1320 | else if ( pparam > pparam2) mySAttach = ptat22; |
| 1321 | } |
| 1322 | else { |
| 1323 | if ( pparam < pparam2) mySAttach = ptat22; |
| 1324 | else if ( pparam > pparam1) mySAttach = ptat21; |
| 1325 | } |
| 1326 | } |
| 1327 | } |
| 1328 | // Case of disconneted lines |
| 1329 | else { |
| 1330 | gp_Ax2 AX(myCenter,theaxis,d1); |
| 1331 | Handle(Geom_Circle) circle = new Geom_Circle(AX,theLength); |
| 1332 | Handle(Geom2d_Curve) geoCurve = GeomAPI::To2d(circle,myPlane->Pln()); |
| 1333 | Handle(Geom2d_Circle) c2d = *((Handle(Geom2d_Circle)*)& geoCurve); |
| 1334 | // calculate the intersection of circle with l1 |
| 1335 | Standard_Real pparam; // parameter of the point of intersection on l1 |
| 1336 | IntAna2d_AnaIntersection inter(l1_2d->Lin2d(),c2d->Circ2d()); |
| 1337 | gp_Pnt2d pint1(inter.Point(1).Value()); |
| 1338 | gp_Pnt2d pint2(inter.Point(2).Value()); |
| 1339 | |
| 1340 | gp_Pnt Int1 = adp.Value(pint1.X(),pint1.Y()); |
| 1341 | gp_Pnt Int2 = adp.Value(pint2.X(),pint2.Y()); |
| 1342 | gp_Dir I1I2(gp_Vec(Int1,Int2)); |
| 1343 | if ( d1*I1I2 > 0 ) { |
| 1344 | myFAttach = Int2; |
| 1345 | pparam = inter.Point(2).ParamOnFirst(); |
| 1346 | } |
| 1347 | else { |
| 1348 | myFAttach = Int1; |
| 1349 | pparam = inter.Point(1).ParamOnFirst(); |
| 1350 | } |
| 1351 | P1 = myFAttach; |
| 1352 | |
| 1353 | Standard_Real pparam1; |
| 1354 | Standard_Real pparam2; |
| 1355 | if (!isInfinite1) { |
| 1356 | pparam1 = ElCLib::Parameter(gpl1,ptat11); |
| 1357 | pparam2 = ElCLib::Parameter(gpl1,ptat12); |
| 1358 | if ( pparam1 < pparam2 ) { |
| 1359 | if ( pparam < pparam1 ) myFAttach = ptat11; |
| 1360 | else if ( pparam > pparam2) myFAttach = ptat12; |
| 1361 | } |
| 1362 | else { |
| 1363 | if ( pparam < pparam2) myFAttach = ptat12; |
| 1364 | else if ( pparam > pparam1) myFAttach = ptat11; |
| 1365 | } |
| 1366 | } |
| 1367 | pparam = ElCLib::Parameter(gpl2,P1); |
| 1368 | mySAttach = ElCLib::Value(pparam, gpl2); |
| 1369 | P2 = mySAttach; |
| 1370 | |
| 1371 | if (!isInfinite2) { |
| 1372 | pparam1 = ElCLib::Parameter(gpl2,ptat21); |
| 1373 | pparam2 = ElCLib::Parameter(gpl2,ptat22); |
| 1374 | if ( pparam1 < pparam2 ) { |
| 1375 | if ( pparam < pparam1 ) mySAttach = ptat21; |
| 1376 | else if ( pparam > pparam2) mySAttach = ptat22; |
| 1377 | } |
| 1378 | else { |
| 1379 | if ( pparam < pparam2) mySAttach = ptat22; |
| 1380 | else if ( pparam > pparam1) mySAttach = ptat21; |
| 1381 | } |
| 1382 | } |
| 1383 | } |
| 1384 | curpos.SetXYZ(.5*(P1.XYZ()+P2.XYZ())); |
| 1385 | |
| 1386 | gp_Ax2 ax(myCenter,theaxis,d1); |
| 1387 | gp_Circ circle(ax,theLength); |
| 1388 | Standard_Real par = ElCLib::Parameter(circle,curpos); |
| 1389 | curpos = ElCLib::Value(par,circle); |
| 1390 | |
| 1391 | if (myIsSetBndBox) |
| 1392 | curpos = AIS::TranslatePointToBound( curpos, gp_Dir( gp_Vec( myCenter, curpos ) ), myBndBox ); |
| 1393 | myPosition =curpos; |
| 1394 | myAutomaticPosition = Standard_True; |
| 1395 | } |
| 1396 | else { |
| 1397 | curpos = myPosition; |
| 1398 | gp_Lin Media(myCenter, gpl1.Direction()); |
| 1399 | Standard_Real pcurpos = ElCLib::Parameter(Media, curpos); |
| 1400 | myCenter = ElCLib::Value(pcurpos, Media); |
| 1401 | // the centre is translated to avoid a constant radius! |
| 1402 | myCenter.Translate(-theLength*gp_Vec(gpl1.Direction())); |
| 1403 | gp_Ax2 AX(myCenter,theaxis,gpl1.Direction()); |
| 1404 | Handle(Geom_Circle) circle = new Geom_Circle(AX,theLength); |
| 1405 | |
| 1406 | // re-update curpos |
| 1407 | pcurpos = ElCLib::Parameter(circle->Circ(), curpos); |
| 1408 | curpos = ElCLib::Value(pcurpos, circle->Circ()); |
| 1409 | |
| 1410 | Handle(Geom2d_Curve) geoCurve = GeomAPI::To2d(circle,myPlane->Pln()); |
| 1411 | Handle(Geom2d_Circle) c2d = *((Handle(Geom2d_Circle)*)& geoCurve); |
| 1412 | // calculate the point of intersection of circle with l1 |
| 1413 | IntAna2d_AnaIntersection inter(l1_2d->Lin2d(),c2d->Circ2d()); |
| 1414 | gp_Pnt2d pint1(inter.Point(1).Value()); |
| 1415 | gp_Pnt2d pint2(inter.Point(2).Value()); |
| 1416 | gp_Pnt Int1 = adp.Value(pint1.X(),pint1.Y()); |
| 1417 | gp_Pnt Int2 = adp.Value(pint2.X(),pint2.Y()); |
| 1418 | if ( curpos.SquareDistance(Int1) < curpos.SquareDistance(Int2)) myFAttach = Int1; |
| 1419 | else myFAttach = Int2; |
| 1420 | P1 = myFAttach; |
| 1421 | |
| 1422 | // calculate the point of intersection of circle with l2 |
| 1423 | // -> this is the projection because the centre of circle |
| 1424 | // is in the middle of l1 and l2 |
| 1425 | Standard_Real pparam = ElCLib::Parameter(gpl2,myFAttach); |
| 1426 | mySAttach = ElCLib::Value(pparam, gpl2); |
| 1427 | |
| 1428 | P2 = mySAttach; |
| 1429 | |
| 1430 | Standard_Real par_attach(ElCLib::Parameter(gpl1,myFAttach)); |
| 1431 | Standard_Real par1,par2; |
| 1432 | if (!isInfinite1) { |
| 1433 | par1 = ElCLib::Parameter(gpl1,ptat11); |
| 1434 | par2 = ElCLib::Parameter(gpl1,ptat12); |
| 1435 | if (par1 < par2) { |
| 1436 | if ( par_attach < par1 ) myFAttach = ptat11; |
| 1437 | else if ( par_attach > par2) myFAttach = ptat12; |
| 1438 | } |
| 1439 | else { |
| 1440 | if ( par_attach < par2 ) myFAttach = ptat12; |
| 1441 | else if ( par_attach > par1) myFAttach = ptat11; |
| 1442 | } |
| 1443 | } |
| 1444 | par_attach = ElCLib::Parameter(gpl2,mySAttach); |
| 1445 | if (!isInfinite2) { |
| 1446 | par1 = ElCLib::Parameter(gpl2,ptat21); |
| 1447 | par2 = ElCLib::Parameter(gpl2,ptat22); |
| 1448 | if (par1 < par2) { |
| 1449 | if ( par_attach < par1 ) mySAttach = ptat21; |
| 1450 | else if ( par_attach > par2) mySAttach = ptat22; |
| 1451 | } |
| 1452 | else { |
| 1453 | if ( par_attach < par2 ) mySAttach = ptat22; |
| 1454 | else if ( par_attach > par1) mySAttach = ptat21; |
| 1455 | } |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | myFDir = gp_Dir(gp_Vec(myCenter,P1)); |
| 1460 | mySDir = gp_Dir(gp_Vec(myCenter,P2)); |
| 1461 | |
| 1462 | //-------------------------------------------------------- |
| 1463 | // Computation of the presentation |
| 1464 | //-------------------------------------------------------- |
| 1465 | Handle(Prs3d_AngleAspect) la = myDrawer->AngleAspect(); |
| 1466 | Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect(); |
| 1467 | |
| 1468 | arr->SetLength(myArrowSize); |
| 1469 | |
| 1470 | if (SameLines) |
| 1471 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 1472 | myDrawer, |
| 1473 | myVal, |
| 1474 | myText, |
| 1475 | myCenter, |
| 1476 | myFAttach, |
| 1477 | mySAttach, |
| 1478 | myFDir, |
| 1479 | mySDir, |
| 1480 | theaxis, |
| 1481 | Standard_True, |
| 1482 | myAxis, |
| 1483 | curpos, |
| 1484 | DsgPrs_AS_NONE); |
| 1485 | else |
| 1486 | DsgPrs_AnglePresentation::Add(aPresentation, |
| 1487 | myDrawer, |
| 1488 | myVal, |
| 1489 | myText, |
| 1490 | myCenter, |
| 1491 | myFAttach, |
| 1492 | mySAttach, |
| 1493 | myFDir, |
| 1494 | mySDir, |
| 1495 | curpos, |
| 1496 | mySymbolPrs); |
| 1497 | } |
| 1498 | |
| 1499 | |
| 1500 | //======================================================================= |
| 1501 | //function : Compute3DSelection |
| 1502 | // purpose : compute the zones of selection for an angle dimension |
| 1503 | // between 2 faces |
| 1504 | //======================================================================= |
| 1505 | |
| 1506 | void AIS_AngleDimension::Compute3DSelection( const Handle( SelectMgr_Selection )& aSelection ) |
| 1507 | { |
| 1508 | gp_Circ AngleCirc, AttachCirc; |
| 1509 | Standard_Real FirstParAngleCirc, LastParAngleCirc, FirstParAttachCirc, LastParAttachCirc; |
| 1510 | gp_Pnt EndOfArrow1, EndOfArrow2, ProjAttachPoint2; |
| 1511 | gp_Dir DirOfArrow1, DirOfArrow2; |
| 1512 | gp_Dir axisdir = (myVal <= Precision::Angular() || Abs( M_PI-myVal ) <= Precision::Angular())? |
| 1513 | myPlane->Pln().Axis().Direction() : (myFDir ^ mySDir); |
| 1514 | Standard_Boolean isPlane = (myFirstSurfType == AIS_KOS_Plane)? Standard_True : Standard_False; |
| 1515 | |
| 1516 | Standard_Real ArrowLength = myDrawer->AngleAspect()->ArrowAspect()->Length(); |
| 1517 | DsgPrs::ComputeFacesAnglePresentation( ArrowLength, |
| 1518 | myVal, |
| 1519 | myCenter, |
| 1520 | myFAttach, |
| 1521 | mySAttach, |
| 1522 | myFDir, |
| 1523 | mySDir, |
| 1524 | axisdir, |
| 1525 | isPlane, |
| 1526 | myAxis, |
| 1527 | myPosition, |
| 1528 | AngleCirc, |
| 1529 | FirstParAngleCirc, |
| 1530 | LastParAngleCirc, |
| 1531 | EndOfArrow1, |
| 1532 | EndOfArrow2, |
| 1533 | DirOfArrow1, |
| 1534 | DirOfArrow2, |
| 1535 | ProjAttachPoint2, |
| 1536 | AttachCirc, |
| 1537 | FirstParAttachCirc, |
| 1538 | LastParAttachCirc ); |
| 1539 | |
| 1540 | Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 ); |
| 1541 | Handle( Select3D_SensitiveSegment ) seg; |
| 1542 | Handle( Geom_TrimmedCurve ) curve; |
| 1543 | Handle( Select3D_SensitiveCurve ) SensCurve; |
| 1544 | |
| 1545 | // Angle's arc or line |
| 1546 | if (myVal > Precision::Angular() && Abs( M_PI-myVal ) > Precision::Angular()) |
| 1547 | { |
| 1548 | curve = new Geom_TrimmedCurve( new Geom_Circle( AngleCirc ), FirstParAngleCirc, LastParAngleCirc ); |
| 1549 | SensCurve = new Select3D_SensitiveCurve( own, curve ); |
| 1550 | aSelection->Add( SensCurve ); |
| 1551 | } |
| 1552 | else // angle's line |
| 1553 | { |
| 1554 | gp_Vec ArrowVec( DirOfArrow1 ); |
| 1555 | ArrowVec *= ArrowLength; |
| 1556 | gp_Pnt FirstPoint, LastPoint; |
| 1557 | |
| 1558 | if (myPosition.Distance( EndOfArrow1 ) > ArrowLength) |
| 1559 | { |
| 1560 | FirstPoint = myPosition; |
| 1561 | LastPoint = EndOfArrow1.Translated( ArrowVec ); |
| 1562 | if (myPosition.SquareDistance( LastPoint ) < myPosition.SquareDistance( EndOfArrow1 )) |
| 1563 | LastPoint = EndOfArrow1.Translated( -ArrowVec ); |
| 1564 | } |
| 1565 | else |
| 1566 | { |
| 1567 | FirstPoint = EndOfArrow1.Translated( ArrowVec ); |
| 1568 | LastPoint = EndOfArrow1.Translated( -ArrowVec ); |
| 1569 | } |
| 1570 | seg = new Select3D_SensitiveSegment( own, FirstPoint, LastPoint ); |
| 1571 | aSelection->Add( seg ); |
| 1572 | } |
| 1573 | |
| 1574 | if (! myFAttach.IsEqual( EndOfArrow1, Precision::Confusion() )) |
| 1575 | { |
| 1576 | seg = new Select3D_SensitiveSegment( own, myFAttach, EndOfArrow1 ); |
| 1577 | aSelection->Add( seg ); |
| 1578 | } |
| 1579 | if (! ProjAttachPoint2.IsEqual( EndOfArrow2, Precision::Confusion() )) |
| 1580 | { |
| 1581 | seg = new Select3D_SensitiveSegment( own, ProjAttachPoint2, EndOfArrow2 ); |
| 1582 | aSelection->Add( seg ); |
| 1583 | } |
| 1584 | |
| 1585 | // Line or arc from mySAttach to its "projection" |
| 1586 | if (! mySAttach.IsEqual( ProjAttachPoint2, Precision::Confusion() )) |
| 1587 | { |
| 1588 | if (isPlane) |
| 1589 | { |
| 1590 | seg = new Select3D_SensitiveSegment( own, mySAttach, ProjAttachPoint2 ); |
| 1591 | aSelection->Add( seg ); |
| 1592 | } |
| 1593 | else |
| 1594 | { |
| 1595 | curve = new Geom_TrimmedCurve( new Geom_Circle( AttachCirc ), |
| 1596 | FirstParAttachCirc, |
| 1597 | LastParAttachCirc ); |
| 1598 | SensCurve = new Select3D_SensitiveCurve( own, curve ); |
| 1599 | aSelection->Add( SensCurve ); |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | // Text |
| 1604 | Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6)); |
| 1605 | Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox( own, |
| 1606 | myPosition.X(), |
| 1607 | myPosition.Y(), |
| 1608 | myPosition.Z(), |
| 1609 | myPosition.X() + size, |
| 1610 | myPosition.Y() + size, |
| 1611 | myPosition.Z() + size); |
| 1612 | aSelection->Add(box); |
| 1613 | } |
| 1614 | |
| 1615 | //======================================================================= |
| 1616 | //function : Compute2DSelection |
| 1617 | //purpose : compute zones of selection on a side of angle between 2 edges |
| 1618 | // Special processing of zero angles! |
| 1619 | //======================================================================= |
| 1620 | |
| 1621 | void AIS_AngleDimension::Compute2DSelection(const Handle(SelectMgr_Selection)& aSelection) |
| 1622 | { |
| 1623 | BRepAdaptor_Curve cu1(TopoDS::Edge(myFShape)); |
| 1624 | BRepAdaptor_Curve cu2(TopoDS::Edge(mySShape)); |
| 1625 | |
| 1626 | gp_Lin l1(cu1.Line()); |
| 1627 | gp_Lin l2(cu2.Line()); |
| 1628 | |
| 1629 | // it is patch! |
| 1630 | if (Abs( myVal ) <= Precision::Angular() || Abs( M_PI - myVal ) <= Precision::Angular()) |
| 1631 | /* |
| 1632 | //--------------------------------------------------------- |
| 1633 | // Cas de droites paralleles ( <=> angle nul a M_PI pres) |
| 1634 | if ((Abs(l1.Angle(l2)) < Precision::Angular()) || |
| 1635 | (Abs((l1.Angle(l2) - M_PI)) < Precision::Angular()) ) |
| 1636 | */ |
| 1637 | { |
| 1638 | |
| 1639 | Standard_Real distLL= l1.Distance(l2); |
| 1640 | if ( Abs(distLL) <= Precision::Confusion() ) { |
| 1641 | gp_Pnt ptat11 = cu1.Value(cu1.FirstParameter()); |
| 1642 | gp_Pnt ptat12 = cu1.Value(cu1.LastParameter()); |
| 1643 | gp_Pnt ptat21 = cu2.Value(cu2.FirstParameter()); |
| 1644 | gp_Pnt ptat22 = cu2.Value(cu2.LastParameter()); |
| 1645 | distLL = 0.75 * Max( ptat11.Distance(ptat12), ptat21.Distance(ptat22)); |
| 1646 | ComputeNull2DSelection(aSelection, distLL); |
| 1647 | } |
| 1648 | else { |
| 1649 | ComputeNull2DSelection(aSelection, distLL*8/10); |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | //---------------------------------------------------------- |
| 1654 | // Classic case ( angle != 0 ) |
| 1655 | else { |
| 1656 | |
| 1657 | if (myFDir.IsParallel(mySDir,Precision::Angular())) { |
| 1658 | Standard_Real distLL= l1.Distance(l2); |
| 1659 | if ( Abs(distLL) <= Precision::Confusion() ) { |
| 1660 | gp_Pnt ptat11 = cu1.Value(cu1.FirstParameter()); |
| 1661 | gp_Pnt ptat12 = cu1.Value(cu1.LastParameter()); |
| 1662 | gp_Pnt ptat21 = cu2.Value(cu2.FirstParameter()); |
| 1663 | gp_Pnt ptat22 = cu2.Value(cu2.LastParameter()); |
| 1664 | distLL = 0.75 * Max( ptat11.Distance(ptat12), ptat21.Distance(ptat22)); |
| 1665 | ComputeNull2DSelection(aSelection, distLL*8/10); |
| 1666 | } |
| 1667 | } |
| 1668 | else { |
| 1669 | gp_Dir Norm = myFDir.Crossed(mySDir); |
| 1670 | |
| 1671 | gp_Ax2 ax(myCenter,Norm,myFDir); |
| 1672 | gp_Circ cer(ax,myCenter.Distance(myPosition)); |
| 1673 | gp_Vec vec1(myFDir); |
| 1674 | |
| 1675 | Standard_Boolean nullrad(Standard_False); |
| 1676 | if (cer.Radius() == 0.) { |
| 1677 | cer.SetRadius(1.); |
| 1678 | nullrad = Standard_True; |
| 1679 | } |
| 1680 | vec1 *= cer.Radius(); |
| 1681 | gp_Pnt p1 = myCenter.Translated(vec1); |
| 1682 | gp_Vec vec2(mySDir); |
| 1683 | vec2 *= cer.Radius(); |
| 1684 | gp_Pnt p2 = myCenter.Translated(vec2); |
| 1685 | |
| 1686 | Standard_Real uc1 = 0.; |
| 1687 | Standard_Real uc2 = ElCLib::Parameter(cer,p2); |
| 1688 | Standard_Real uco; |
| 1689 | if (nullrad) uco = ElCLib::Parameter(cer,p1); |
| 1690 | else uco = ElCLib::Parameter(cer,myPosition); |
| 1691 | |
| 1692 | Standard_Real udeb = uc1; |
| 1693 | Standard_Real ufin = uc2; |
| 1694 | |
| 1695 | if (uco > ufin) { |
| 1696 | if (Abs(myVal)<M_PI) { |
| 1697 | // test if uco is in the opposing sector |
| 1698 | if (uco > udeb+M_PI && uco < ufin+M_PI){ |
| 1699 | udeb = udeb + M_PI; |
| 1700 | ufin = ufin + M_PI; |
| 1701 | uc1 = udeb; |
| 1702 | uc2 = ufin; |
| 1703 | } |
| 1704 | } |
| 1705 | } |
| 1706 | if (uco > ufin) { |
| 1707 | if ((uco-uc2) < (uc1-uco+(2*M_PI))) ufin = uco; |
| 1708 | else udeb = uco - 2*M_PI; |
| 1709 | } |
| 1710 | p1 = ElCLib::Value(udeb,cer); |
| 1711 | p2 = ElCLib::Value(ufin,cer); |
| 1712 | |
| 1713 | //Create 2 owners for each part of the arrow |
| 1714 | Handle(AIS_DimensionOwner) own1 = new AIS_DimensionOwner(this,7); |
| 1715 | Handle(AIS_DimensionOwner) own2 = new AIS_DimensionOwner(this,7); |
| 1716 | if (myExtShape != 0) { |
| 1717 | if (myExtShape == 1) { |
| 1718 | own1->SetShape(mySShape); |
| 1719 | own2->SetShape(mySShape); |
| 1720 | } |
| 1721 | else { |
| 1722 | own1->SetShape(myFShape); |
| 1723 | own2->SetShape(myFShape); |
| 1724 | } |
| 1725 | } |
| 1726 | else { |
| 1727 | own1->SetShape(myFShape); |
| 1728 | own2->SetShape(mySShape); |
| 1729 | } |
| 1730 | |
| 1731 | Handle(Geom_Circle) thecirc = new Geom_Circle(cer); |
| 1732 | |
| 1733 | Handle(Geom_TrimmedCurve) thecu1 = new Geom_TrimmedCurve(thecirc,udeb,(udeb+ufin)/2); |
| 1734 | Handle(Geom_TrimmedCurve) thecu2 = new Geom_TrimmedCurve(thecirc,(udeb+ufin)/2,ufin); |
| 1735 | |
| 1736 | Handle(Select3D_SensitiveCurve) scurv = new Select3D_SensitiveCurve(own1,thecu1); |
| 1737 | aSelection->Add(scurv); |
| 1738 | scurv = new Select3D_SensitiveCurve(own2,thecu2); |
| 1739 | aSelection->Add(scurv); |
| 1740 | |
| 1741 | Handle(Select3D_SensitiveSegment) seg; |
| 1742 | if (!myFAttach.IsEqual(p1,Precision::Confusion())) { |
| 1743 | seg = new Select3D_SensitiveSegment(own1,myFAttach,p1); |
| 1744 | aSelection->Add(seg); |
| 1745 | } |
| 1746 | if (!mySAttach.IsEqual(p2,Precision::Confusion())) { |
| 1747 | seg = new Select3D_SensitiveSegment(own2,mySAttach,p2); |
| 1748 | aSelection->Add(seg); |
| 1749 | } |
| 1750 | } |
| 1751 | } |
| 1752 | |
| 1753 | } |
| 1754 | //======================================================================= |
| 1755 | //function : Compute2DNullSelection |
| 1756 | //purpose : for dimension of null angle |
| 1757 | //======================================================================= |
| 1758 | |
| 1759 | void AIS_AngleDimension::ComputeNull2DSelection( |
| 1760 | const Handle(SelectMgr_Selection)& aSelection, |
| 1761 | const Standard_Real distLL) |
| 1762 | { |
| 1763 | gp_Dir Norm; |
| 1764 | if ( myFDir.IsParallel(mySDir, Precision::Angular()) ) { |
| 1765 | Norm = myPlane->Pln().Axis().Direction(); |
| 1766 | } |
| 1767 | else |
| 1768 | Norm = myFDir.Crossed(mySDir); |
| 1769 | |
| 1770 | gp_Ax2 ax(myCenter,Norm,myFDir); |
| 1771 | gp_Circ cer(ax,distLL); |
| 1772 | |
| 1773 | gp_Vec vec1(myFDir); |
| 1774 | vec1 *= cer.Radius(); |
| 1775 | gp_Pnt p1 = myCenter.Translated(vec1); |
| 1776 | gp_Vec vec2(mySDir); |
| 1777 | vec2 *= cer.Radius(); |
| 1778 | gp_Pnt p2 = myCenter.Translated(vec2); |
| 1779 | |
| 1780 | // calcul de parametres de debut et de fin des extremites de l'arc |
| 1781 | Standard_Real uc1 = 0.; |
| 1782 | Standard_Real uc2 = ElCLib::Parameter(cer,p2); |
| 1783 | Standard_Real uco = ElCLib::Parameter(cer,myPosition); |
| 1784 | |
| 1785 | Standard_Real udeb = uc1; |
| 1786 | Standard_Real ufin = uc2; |
| 1787 | |
| 1788 | if (uco > ufin) { |
| 1789 | if (Abs(myVal)<M_PI) { |
| 1790 | // test if uco is in the opposing sector |
| 1791 | if (uco > udeb+M_PI && uco < ufin+M_PI){ |
| 1792 | udeb = udeb + M_PI; |
| 1793 | ufin = ufin + M_PI; |
| 1794 | uc1 = udeb; |
| 1795 | uc2 = ufin; |
| 1796 | } |
| 1797 | } |
| 1798 | } |
| 1799 | |
| 1800 | if (uco > ufin) { |
| 1801 | if ((uco-uc2) < (uc1-uco+(2*M_PI))) { |
| 1802 | ufin = uco; |
| 1803 | } |
| 1804 | else { |
| 1805 | udeb = uco - 2*M_PI; |
| 1806 | } |
| 1807 | } |
| 1808 | |
| 1809 | //Create 2 owners for each part of the arrow |
| 1810 | Handle(AIS_DimensionOwner) own1 = new AIS_DimensionOwner(this,7); |
| 1811 | Handle(AIS_DimensionOwner) own2 = new AIS_DimensionOwner(this,7); |
| 1812 | if (myExtShape != 0) { |
| 1813 | if (myExtShape == 1) { |
| 1814 | own1->SetShape(mySShape); |
| 1815 | own2->SetShape(mySShape); |
| 1816 | } |
| 1817 | else { |
| 1818 | own1->SetShape(myFShape); |
| 1819 | own2->SetShape(myFShape); |
| 1820 | } |
| 1821 | } |
| 1822 | else { |
| 1823 | own1->SetShape(myFShape); |
| 1824 | own2->SetShape(mySShape); |
| 1825 | } |
| 1826 | |
| 1827 | Handle(Geom_Circle) thecirc = new Geom_Circle(cer); |
| 1828 | |
| 1829 | if ( udeb != ufin ) { |
| 1830 | Handle(Geom_TrimmedCurve) thecu1 = new Geom_TrimmedCurve(thecirc,udeb,(udeb+ufin)/2); |
| 1831 | Handle(Geom_TrimmedCurve) thecu2 = new Geom_TrimmedCurve(thecirc,(udeb+ufin)/2,ufin); |
| 1832 | |
| 1833 | Handle(Select3D_SensitiveCurve) scurv = new Select3D_SensitiveCurve(own1,thecu1); |
| 1834 | aSelection->Add(scurv); |
| 1835 | scurv = new Select3D_SensitiveCurve(own2,thecu2); |
| 1836 | aSelection->Add(scurv); |
| 1837 | } |
| 1838 | else { |
| 1839 | // find end of segment to allow selection |
| 1840 | gp_Vec VTrans(myFDir.Crossed(Norm)); |
| 1841 | Handle(Select3D_SensitiveSegment) seg1; |
| 1842 | seg1 = new Select3D_SensitiveSegment(own1, |
| 1843 | p1, |
| 1844 | p1.Translated( VTrans*distLL/10 ) ); |
| 1845 | aSelection->Add(seg1); |
| 1846 | seg1 = new Select3D_SensitiveSegment(own2, |
| 1847 | p2, |
| 1848 | p2.Translated(-VTrans*distLL/10 ) ); |
| 1849 | aSelection->Add(seg1); |
| 1850 | } |
| 1851 | |
| 1852 | Handle(Select3D_SensitiveSegment) seg; |
| 1853 | if (!myFAttach.IsEqual(p1,Precision::Confusion())) { |
| 1854 | seg = new Select3D_SensitiveSegment(own1,myFAttach,p1); |
| 1855 | aSelection->Add(seg); |
| 1856 | } |
| 1857 | |
| 1858 | if (!mySAttach.IsEqual(p2,Precision::Confusion())) { |
| 1859 | seg = new Select3D_SensitiveSegment(own2,mySAttach,p2); |
| 1860 | aSelection->Add(seg); |
| 1861 | } |
| 1862 | } |
| 1863 | |
| 1864 | |
| 1865 | //======================================================================= |
| 1866 | //function : ComputeConeAngleSelection |
| 1867 | //purpose : for cone angle |
| 1868 | //======================================================================= |
| 1869 | void AIS_AngleDimension::ComputeConeAngleSelection(const Handle(SelectMgr_Selection)& aSelection) |
| 1870 | { |
| 1871 | if( myCone.IsNull() ) return; |
| 1872 | |
| 1873 | |
| 1874 | Handle( SelectMgr_EntityOwner ) owner = new SelectMgr_EntityOwner( this, 7 ); |
| 1875 | Handle( Select3D_SensitiveSegment ) seg; |
| 1876 | |
| 1877 | gp_Pln aPln; |
| 1878 | gp_Cone aCone; |
| 1879 | gp_Circ myCircle; |
| 1880 | gp_Pnt Apex; |
| 1881 | Handle( Geom_Surface ) aSurf; //a surface from the Face |
| 1882 | Handle( Geom_OffsetSurface ) aOffsetSurf; |
| 1883 | Handle( Geom_ConicalSurface ) aConicalSurf; |
| 1884 | Handle( Geom_SurfaceOfRevolution ) aRevSurf; |
| 1885 | Handle( Geom_Line ) aLine; |
| 1886 | BRepAdaptor_Surface tmpSurf(myCone); |
| 1887 | TopoDS_Face aFace; |
| 1888 | AIS_KindOfSurface aSurfType; |
| 1889 | Standard_Real Offset = 0. ; |
| 1890 | Handle( Standard_Type ) aType; |
| 1891 | |
| 1892 | Standard_Real maxV = tmpSurf.FirstVParameter(); |
| 1893 | Standard_Real minV = tmpSurf.LastVParameter(); |
| 1894 | |
| 1895 | AIS::GetPlaneFromFace( myCone, aPln, aSurf, aSurfType, Offset ); |
| 1896 | |
| 1897 | if ( aSurfType == AIS_KOS_Revolution ) { //surface of revolution |
| 1898 | |
| 1899 | aRevSurf = Handle( Geom_SurfaceOfRevolution )::DownCast( aSurf ); |
| 1900 | gp_Lin ln( aRevSurf->Axis() ); |
| 1901 | Handle( Geom_Curve ) tmpCrv = aRevSurf->BasisCurve(); |
| 1902 | if ( tmpCrv ->DynamicType() != STANDARD_TYPE(Geom_Line) ) return; //Must be a part of line |
| 1903 | |
| 1904 | Standard_Real par; |
| 1905 | gp_Pnt fst = tmpSurf.Value(0., minV); |
| 1906 | gp_Pnt lst = tmpSurf.Value(0., maxV); |
| 1907 | |
| 1908 | gp_Vec vec1(fst, lst); |
| 1909 | |
| 1910 | par = ElCLib::Parameter( ln, fst ); |
| 1911 | gp_Pnt fst2 = ElCLib::Value( par, ln ); //projection fst on ln |
| 1912 | par = ElCLib::Parameter( ln, lst ); |
| 1913 | gp_Pnt lst2 = ElCLib::Value( par, ln ); //projection lst on ln |
| 1914 | |
| 1915 | gp_Vec vec2(fst2, lst2); |
| 1916 | |
| 1917 | // Check if two parts of revolution are parallel ( it's a cylinder ) or normal (it's a circle ) |
| 1918 | if( vec1.IsParallel( vec2,Precision::Angular() ) || vec1.IsNormal( vec2,Precision::Angular() ) ) return; |
| 1919 | |
| 1920 | gce_MakeCone mkCone(aRevSurf->Axis(), fst, lst); |
| 1921 | aCone = mkCone.Value(); |
| 1922 | Apex = aCone.Apex(); |
| 1923 | } |
| 1924 | else { |
| 1925 | aType = aSurf->DynamicType(); |
| 1926 | if ( aType == STANDARD_TYPE(Geom_OffsetSurface) || Offset > 0.01 ) { //offset surface |
| 1927 | aOffsetSurf = new Geom_OffsetSurface (aSurf, Offset); |
| 1928 | aSurf = aOffsetSurf->Surface(); |
| 1929 | BRepBuilderAPI_MakeFace mkFace(aSurf, Precision::Confusion()); |
| 1930 | mkFace.Build(); |
| 1931 | if( !mkFace.IsDone() ) return; |
| 1932 | tmpSurf.Initialize( mkFace.Face() ); |
| 1933 | } |
| 1934 | |
| 1935 | aCone = tmpSurf.Cone(); |
| 1936 | aConicalSurf = Handle( Geom_ConicalSurface)::DownCast( aSurf ); |
| 1937 | Apex = aConicalSurf->Apex(); |
| 1938 | } |
| 1939 | |
| 1940 | Handle(Geom_Curve) aCurve; //A circle where the angle is drawn |
| 1941 | |
| 1942 | if ( myAutomaticPosition ) { |
| 1943 | Standard_Real midV = ( minV + maxV ) / 2.5; |
| 1944 | |
| 1945 | aCurve = aSurf->VIso(midV); |
| 1946 | myCircle = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 1947 | |
| 1948 | myPosition = ElCLib::Value(M_PI / 2.0, myCircle); |
| 1949 | myAutomaticPosition = Standard_False; |
| 1950 | } |
| 1951 | else { |
| 1952 | Standard_Real U, V; |
| 1953 | ElSLib::Parameters(aCone, myPosition, U, V); |
| 1954 | aCurve = aSurf->VIso(V); |
| 1955 | myCircle = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 1956 | } |
| 1957 | //__________________________________________________________________ |
| 1958 | aCurve = aSurf->VIso(maxV); |
| 1959 | gp_Circ CircVmax = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 1960 | aCurve = aSurf->VIso(minV); |
| 1961 | gp_Circ CircVmin = Handle(Geom_Circle)::DownCast(aCurve)->Circ(); |
| 1962 | //__________________________________________________________________ |
| 1963 | |
| 1964 | if( CircVmax.Radius() < CircVmin.Radius() ) { |
| 1965 | gp_Circ tmpCirc = CircVmax; |
| 1966 | CircVmax = CircVmin; |
| 1967 | CircVmin = tmpCirc; |
| 1968 | } |
| 1969 | |
| 1970 | Standard_Boolean IsArrowOut = Standard_True; //Is arrows inside or outside of the cone |
| 1971 | //Standard_Real PntOnMainAxis = 0; //Is projection of aPosition inside of the cone = 0, above = 1, or below = -1 |
| 1972 | Standard_Boolean IsConeTrimmed = Standard_False; |
| 1973 | |
| 1974 | if( CircVmin.Radius() > 0.01 ) IsConeTrimmed = Standard_True; |
| 1975 | |
| 1976 | gp_Pnt AttachmentPnt; |
| 1977 | gp_Pnt OppositePnt; |
| 1978 | |
| 1979 | Standard_Real param = ElCLib::Parameter(myCircle, myPosition); |
| 1980 | |
| 1981 | gp_Pnt aPnt = Apex; |
| 1982 | gp_Pnt P1 = ElCLib::Value(0., myCircle); |
| 1983 | gp_Pnt P2 = ElCLib::Value(M_PI, myCircle); |
| 1984 | |
| 1985 | gce_MakePln mkPln(P1, P2, aPnt); // create a plane whitch defines plane for projection aPosition on it |
| 1986 | |
| 1987 | aPnt = AIS::ProjectPointOnPlane(myPosition, mkPln.Value()); |
| 1988 | gp_Pnt tmpPnt = aPnt; |
| 1989 | |
| 1990 | if( aPnt.Distance(P1) < aPnt.Distance(P2) ){ |
| 1991 | AttachmentPnt = P1; |
| 1992 | OppositePnt = P2; |
| 1993 | } |
| 1994 | else { |
| 1995 | AttachmentPnt = P2; |
| 1996 | OppositePnt = P1; |
| 1997 | } |
| 1998 | |
| 1999 | aPnt = AttachmentPnt ; // Creating of circle whitch defines a plane for a dimension arc |
| 2000 | gp_Vec Vec(AttachmentPnt, Apex); // Dimension arc is a part of the circle |
| 2001 | Vec.Scale(2); |
| 2002 | aPnt.Translate(Vec); |
| 2003 | GC_MakeCircle mkCirc(AttachmentPnt, OppositePnt, aPnt); |
| 2004 | gp_Circ aCircle2 = mkCirc.Value()->Circ(); |
| 2005 | |
| 2006 | |
| 2007 | Standard_Integer i; |
| 2008 | Standard_Real AttParam = ElCLib::Parameter(aCircle2, AttachmentPnt); |
| 2009 | Standard_Real OppParam = ElCLib::Parameter(aCircle2, OppositePnt); |
| 2010 | |
| 2011 | while ( AttParam >= 2 * M_PI ) AttParam -= 2 * M_PI; |
| 2012 | while ( OppParam >= 2 * M_PI ) OppParam -= 2 * M_PI; |
| 2013 | |
| 2014 | if( myPosition.Distance( myCircle.Location() ) <= myCircle.Radius() ) |
| 2015 | if( 2 * myCircle.Radius() > aCircle2.Radius() * 0.4 ) IsArrowOut = Standard_False; //four times more than an arrow size |
| 2016 | |
| 2017 | param = AttParam; |
| 2018 | Standard_Real angle = OppParam - AttParam; |
| 2019 | |
| 2020 | if(IsArrowOut) |
| 2021 | { |
| 2022 | angle += M_PI / 6; //An angle between AttParam and OppParam + 30 degrees |
| 2023 | param -= M_PI / 12; //out parts of dimension line are 15 degrees |
| 2024 | } |
| 2025 | |
| 2026 | while ( angle > 2. * M_PI ) angle -= 2. * M_PI; |
| 2027 | |
| 2028 | gp_Pnt Vprev = ElCLib::Value(param, aCircle2); |
| 2029 | for( i = 1; i <= 11; i++ ) //calculating of arc |
| 2030 | { |
| 2031 | gp_Pnt Vcur = ElCLib::Value(param + angle/11 * i, aCircle2); |
| 2032 | seg = new Select3D_SensitiveSegment(owner, Vprev, Vcur); |
| 2033 | aSelection->Add(seg); |
| 2034 | Vprev = Vcur; |
| 2035 | } |
| 2036 | |
| 2037 | tmpPnt = tmpPnt.Translated(gp_Vec(0, 0, -2)); |
| 2038 | |
| 2039 | const Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6)); |
| 2040 | Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox( owner, |
| 2041 | tmpPnt.X(), |
| 2042 | tmpPnt.Y(), |
| 2043 | tmpPnt.Z(), |
| 2044 | tmpPnt.X() + size, |
| 2045 | tmpPnt.Y() + size, |
| 2046 | tmpPnt.Z() + size); |
| 2047 | aSelection->Add(box); |
| 2048 | } |