src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <PartSet_Tools.h>
  22 #include <PartSet_Module.h>
  23 #include <PartSet_SketcherMgr.h>
  24
  25 #include <ModelAPI_Data.h>
  26 #include <ModelAPI_AttributeDouble.h>
  27 #include <ModelAPI_AttributeRefList.h>
  28 #include <ModelAPI_Document.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_ResultConstruction.h>
  31 #include <ModelAPI_Events.h>
  32 #include <ModelAPI_Validator.h>
  33 #include <ModelAPI_Tools.h>
  34
  35 #include <ModuleBase_IViewWindow.h>
  36
  37 #include <ModelGeomAlgo_Point2D.h>
  38
  39 #include <Events_Loop.h>
  40
  41 #include <SketcherPrs_Tools.h>
  42
  43 #include <XGUI_ModuleConnector.h>
  44 #include <XGUI_Displayer.h>
  45 #include <XGUI_Workshop.h>
  46 #include <XGUI_SelectionMgr.h>
  47 #include <XGUI_Selection.h>
  48
  49 #include <GeomDataAPI_Point.h>
  50 #include <GeomDataAPI_Dir.h>
  51 #include <GeomDataAPI_Point2D.h>
  52 #include <GeomAPI_Pln.h>
  53 #include <GeomAPI_Pnt2d.h>
  54 #include <GeomAPI_Pnt.h>
  55 #include <GeomAPI_Edge.h>
  56 #include <GeomAPI_Vertex.h>
  57
  58 #include <GeomAPI_Dir.h>
  59 #include <GeomAPI_XYZ.h>
  60
  61 #include <SketchPlugin_Feature.h>
  62 #include <SketchPlugin_Sketch.h>
  63 #include <SketchPlugin_ConstraintCoincidence.h>
  64 #include <SketchPlugin_ConstraintDistance.h>
  65 #include <SketchPlugin_ConstraintLength.h>
  66 #include <SketchPlugin_ConstraintRadius.h>
  67 #include <SketchPlugin_ConstraintRigid.h>
  68 #include <SketchPlugin_Constraint.h>
  69 #include <SketchPlugin_Circle.h>
  70 #include <SketchPlugin_Arc.h>
  71 #include <SketchPlugin_Line.h>
  72 #include <SketchPlugin_Point.h>
  73 #include <SketchPlugin_Projection.h>
  74
  75 #include <ModuleBase_IWorkshop.h>
  76 #include <ModuleBase_ViewerPrs.h>
  77 #include <ModuleBase_Tools.h>
  78
  79 #include <V3d_View.hxx>
  80 #include <gp_Pln.hxx>
  81 #include <gp_Circ.hxx>
  82 #include <ProjLib.hxx>
  83 #include <ElSLib.hxx>
  84 #include <Geom_Line.hxx>
  85 #include <GeomAPI_ProjectPointOnCurve.hxx>
  86 #include <BRep_Tool.hxx>
  87 #include <TopoDS.hxx>
  88 #include <TopoDS_Edge.hxx>
  89 #include <TopoDS_Vertex.hxx>
  90 #include <AIS_InteractiveObject.hxx>
  91 #include <StdSelect_BRepOwner.hxx>
  92 #include <SelectMgr_IndexedMapOfOwner.hxx>
  93
  94 #include <QMouseEvent>
  95
  96 #ifdef _DEBUG
  97 #include <QDebug>
  98 #endif
  99
 100 const double PRECISION_TOLERANCE = 0.000001;
 101 const int AIS_DEFAULT_WIDTH = 2;
 102 const bool SKETCH_PROJECTION_INCLUDE_INTO_RESULT = false; // by default, it is not presented
 103
 104 int PartSet_Tools::getAISDefaultWidth()
 105 {
 106   return AIS_DEFAULT_WIDTH;
 107 }
 108
 109 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
 110 {
 111   if (theView.IsNull())
 112     return gp_Pnt();
 113
 114   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 115   theView->Eye(XEye, YEye, ZEye);
 116
 117   theView->At(XAt, YAt, ZAt);
 118   gp_Pnt EyePoint(XEye, YEye, ZEye);
 119   gp_Pnt AtPoint(XAt, YAt, ZAt);
 120
 121   gp_Vec EyeVector(EyePoint, AtPoint);
 122   gp_Dir EyeDir(EyeVector);
 123
 124   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 125   Standard_Real X, Y, Z;
 126   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 127   gp_Pnt ConvertedPoint(X, Y, Z);
 128
 129   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 130   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 131                                      PlaneOfTheView);
 132   return ResultPoint;
 133 }
 134
 135 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 136 Handle(V3d_View) theView,
 137                                 double& theX, double& theY)
 138 {
 139   if (!theSketch)
 140     return;
 141
 142   AttributeDoublePtr anAttr;
 143   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 144
 145   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 146       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 147
 148   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 149       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 150   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 151       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 152   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 153
 154   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 155   gp_Vec aVec(anOriginPnt, thePoint);
 156
 157   if (!theView.IsNull()) {
 158     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 159     theView->Eye(XEye, YEye, ZEye);
 160
 161     theView->At(XAt, YAt, ZAt);
 162     gp_Pnt EyePoint(XEye, YEye, ZEye);
 163     gp_Pnt AtPoint(XAt, YAt, ZAt);
 164
 165     gp_Vec anEyeVec(EyePoint, AtPoint);
 166     anEyeVec.Normalize();
 167
 168     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 169         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 170     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 171
 172     double aDen = anEyeVec * aNormalVec;
 173     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 174
 175     gp_Vec aDeltaVec = anEyeVec * aLVec;
 176     aVec = aVec - aDeltaVec;
 177   }
 178   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 179   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 180 }
 181
 182 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 183                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 184 {
 185   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 186   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 187     return aRes;
 188   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 189       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 190   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 191       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 192   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 193       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 194   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 195   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 196 }
 197
 198
 199 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 200                                                         FeaturePtr theSketch)
 201 {
 202   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 203
 204   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 205       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 206   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 207       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 208   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 209       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 210   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 211
 212   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 213     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 214
 215   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 216 }
 217
 218 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 219 {
 220   return ModelAPI_Session::get()->moduleDocument();
 221 }
 222
 223 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 224                                     const std::string& theAttribute)
 225 {
 226   if (!theFeature)
 227     return;
 228   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 229   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 230       aData->attribute(theAttribute));
 231   if (anAttribute)
 232     anAttribute->setValue(theValue);
 233 }
 234
 235 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 236                                    bool& isValid)
 237 {
 238   isValid = false;
 239   double aValue = 0;
 240   if (theFeature) {
 241     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 242     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 243         aData->attribute(theAttribute));
 244     if (anAttribute) {
 245       aValue = anAttribute->value();
 246       isValid = true;
 247     }
 248   }
 249   return aValue;
 250 }
 251
 252 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 253                                   const std::string& theKind)
 254 {
 255   FeaturePtr aFeature;
 256   if (!theFeature)
 257     return aFeature;
 258
 259   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 260   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 261       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 262   if (anAttr) {
 263     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 264     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 265       aFeature = FeaturePtr();
 266     }
 267   }
 268   return aFeature;
 269 }
 270
 271 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 272                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 273                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 274 {
 275   FeaturePtr aFeature;
 276   if (theSketch) {
 277     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 278   } else {
 279     std::shared_ptr<ModelAPI_Document> aDoc = document();
 280     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 281   }
 282
 283   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 284
 285   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 286       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 287   aRef1->setAttr(thePoint1);
 288
 289   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 290       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 291   aRef2->setAttr(thePoint2);
 292
 293   // we need to flush created signal in order to coincidence is processed by solver
 294   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 295 }
 296
 297 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 298 {
 299   std::shared_ptr<GeomAPI_Pln> aPlane;
 300
 301   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 302       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 303   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 304       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 305
 306   if (aNormal.get() && aNormal->isInitialized() &&
 307       anOrigin.get() && anOrigin->isInitialized())
 308     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 309
 310   return aPlane;
 311 }
 312
 313 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 314                                                       CompositeFeaturePtr theSketch)
 315 {
 316   std::shared_ptr<GeomAPI_Pnt> aPoint;
 317   if (!theSketch || !thePoint2D)
 318     return aPoint;
 319
 320   DataPtr aData = theSketch->data();
 321   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 322       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 323   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 324       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 325   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 326       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 327   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 328
 329   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 330 }
 331
 332 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 333                                                    const ObjectPtr& theObject,
 334                                                    CompositeFeaturePtr theSketch)
 335 {
 336   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 337   if (!aResult.get())
 338     return ResultPtr();
 339
 340   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 341     FeaturePtr aFeature = theSketch->subFeature(i);
 342     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 343       continue;
 344     if (aFeature->lastResult() == aResult)
 345       return aResult;
 346   }
 347   return ResultPtr();
 348 }
 349
 350 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 351                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 352                                    const ObjectPtr& theObject,
 353                                    CompositeFeaturePtr theSketch,
 354                                    const bool theTemporary,
 355                                    FeaturePtr& theCreatedFeature)
 356 {
 357   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 358   if (!aResult.get())
 359     return ResultPtr();
 360
 361   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 362   theCreatedFeature = aProjectionFeature;
 363   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 364                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 365   anExternalAttr->setValue(aResult, theShape);
 366
 367   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 368     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 369   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 370   aProjectionFeature->execute();
 371
 372   // if projection feature has not been created, exit
 373   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 374     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 375   if (!aRefAttr || !aRefAttr->isInitialized())
 376     return ResultPtr();
 377
 378   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 379   if (aProjection.get() && aProjection->lastResult().get())
 380     return aProjection->lastResult();
 381
 382   return ResultPtr();
 383 }
 384
 385 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 386                                           const ModuleBase_ViewerPrsPtr& thePrs)
 387 {
 388   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 389     if (aPrs->object() == thePrs->object())
 390       return true;
 391   }
 392   return false;
 393 }
 394
 395 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 396                                                        ModuleBase_IWorkshop* theWorkshop)
 397 {
 398   GeomShapePtr aShape;
 399   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 400   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 401
 402   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 403   // the same, return it
 404   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 405   // 2.1 get visualized results of the feature
 406   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 407   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 408   for (; anIt != aLast; anIt++) {
 409     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 410     if (aAISObj.get() != NULL) {
 411       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 412       // 2.2 find selected owners of a visualizedd object
 413       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 414       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 415       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 416         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 417         if (!anOwner.IsNull()) {
 418           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 419           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 420             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 421             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 422               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 423               // attribute, returns the shape
 424               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 425               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 426               AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 427                                                         aBRepShape, aSketchMgr->activeSketch());
 428               if (aPntAttr.get() != NULL && aPntAttr == theAttribute) {
 429                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 430                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 431                 break;
 432               }
 433             }
 434           }
 435         }
 436       }
 437     }
 438   }
 439   return aShape;
 440 }
 441
 442 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 443                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 444                                                   const std::string& theAttribute)
 445 {
 446   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 447                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 448                                           SketchPlugin_Point::COORD_ID());
 449   if (aPointAttr.get() != NULL)
 450     return aPointAttr->pnt();
 451   return std::shared_ptr<GeomAPI_Pnt2d>();
 452 }
 453
 454 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 455                                                 ModuleBase_IViewWindow* theWindow,
 456                                                 const FeaturePtr& theSketch)
 457 {
 458   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 459   double aX, anY;
 460   Handle(V3d_View) aView = theWindow->v3dView();
 461   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 462
 463   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 464 }
 465
 466 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 467                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 468 {
 469   FeaturePtr aCoincident;
 470
 471   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 472   std::set<AttributePtr>::const_iterator aIt;
 473   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 474     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 475     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 476     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 477       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 478         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 479       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 480         aCoincident = aConstrFeature;
 481         break;
 482       } else {
 483         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 484                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 485         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 486           aCoincident = aConstrFeature;
 487           break;
 488         }
 489       }
 490     }
 491   }
 492   return aCoincident;
 493 }
 494
 495 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 496                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 497 {
 498   FeaturePtr aCoincident;
 499   if (theFeature.get() == NULL)
 500     return aCoincident;
 501
 502   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 503   std::set<AttributePtr>::const_iterator aIt;
 504   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 505     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 506     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 507     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 508       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 509         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 510       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 511         aCoincident = aConstrFeature;
 512         break;
 513       } else {
 514         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 515                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 516         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 517           aCoincident = aConstrFeature;
 518           break;
 519         }
 520       }
 521     }
 522   }
 523   /// Find by result
 524   if (!aCoincident.get()) {
 525     std::list<ResultPtr> aResults = theFeature->results();
 526     std::list<ResultPtr>::const_iterator aIt;
 527     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 528       ResultPtr aResult = *aIt;
 529       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 530       if (aCoincident.get())
 531         break;
 532     }
 533   }
 534   return aCoincident;
 535 }
 536
 537 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 538                                      QList<FeaturePtr>& theCoincidencies,
 539                                      std::string theAttr, QList<bool>& theIsAttributes)
 540 {
 541   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 542   if (aOrig.get() == NULL)
 543     return;
 544
 545   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 546   if (!aPnt)
 547     return;
 548   ObjectPtr aObj = aPnt->object();
 549   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 550   if (aFeature.get()) {
 551     if (!theList.contains(aFeature)) {
 552       theList.append(aFeature);
 553       theCoincidencies.append(theStartCoin);
 554       theIsAttributes.append(true); // point attribute on a feature
 555       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 556       std::set<AttributePtr>::const_iterator aIt;
 557       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 558         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 559         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 560         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 561           if (!theCoincidencies.contains(aConstrFeature)) {
 562             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 563             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 564               findCoincidences(aConstrFeature, theList, theCoincidencies,
 565                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 566               findCoincidences(aConstrFeature, theList, theCoincidencies,
 567                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 568             }
 569           }
 570         }
 571       }
 572     }
 573   } else {
 574     // Find by Results
 575     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 576     if (aResult.get()) {
 577       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 578       if (!theList.contains(aFeature))
 579         theList.append(aFeature);
 580       theCoincidencies.append(theStartCoin);
 581       theIsAttributes.append(false); // point attribute on a feature
 582
 583       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 584       std::set<AttributePtr>::const_iterator aIt;
 585       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 586         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 587         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 588         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 589           if (!theCoincidencies.contains(aConstrFeature)) {
 590             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 591             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 592               findCoincidences(aConstrFeature, theList, theCoincidencies,
 593                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 594               findCoincidences(aConstrFeature, theList, theCoincidencies,
 595                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 596             }
 597           }
 598         }
 599       }
 600     }
 601   }
 602 }
 603
 604 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 605 {
 606   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 607                                                         SketchPlugin_Constraint::ENTITY_A());
 608   if (aPnt.get() == NULL)
 609     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 610   return aPnt;
 611 }
 612
 613 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 614                                                    const TopoDS_Shape theShape,
 615                                                    FeaturePtr theSketch)
 616 {
 617
 618   AttributePtr anAttribute;
 619   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 620   if (aFeature) {
 621     if (theShape.ShapeType() == TopAbs_VERTEX) {
 622       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 623       if (!aVertex.IsNull())  {
 624         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 625         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 626             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 627
 628         // find the given point in the feature attributes
 629         std::list<AttributePtr> anAttiributes =
 630           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 631         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 632                                                 aLast = anAttiributes.end();
 633         for (; anIt != aLast && !anAttribute; anIt++) {
 634           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 635             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 636           if (!aCurPoint->isInitialized())
 637             continue;
 638
 639           std::shared_ptr<GeomAPI_Pnt> aPnt =
 640             convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 641           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 642             anAttribute = aCurPoint;
 643             break;
 644           }
 645         }
 646       }
 647     }
 648   }
 649   return anAttribute;
 650 }
 651
 652 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 653                                          const Events_ID theEventId)
 654 {
 655   if (!theComposite.get())
 656     return;
 657
 658   static Events_Loop* aLoop = Events_Loop::loop();
 659   for (int i = 0; i < theComposite->numberOfSubs(); i++) {
 660     FeaturePtr aSubFeature = theComposite->subFeature(i);
 661     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 662     aECreator->sendUpdated(aSubFeature, theEventId);
 663   }
 664   Events_Loop::loop()->flush(theEventId);
 665 }
 666
 667 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 668 {
 669   bool isAuxiliaryFeature = false;
 670
 671   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 672   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 673   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 674                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 675   if (anAuxiliaryAttr.get())
 676     isAuxiliaryFeature = anAuxiliaryAttr->value();
 677
 678
 679   return isAuxiliaryFeature;
 680 }
 681
 682
 683 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 684     const ObjectPtr& theObject,
 685     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 686     ModelAPI_AttributeSelection::CenterType theType,
 687     const CompositeFeaturePtr& theSketch,
 688     bool theTemporary)
 689 {
 690   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 691   if (!aResult.get())
 692     return ResultPtr();
 693
 694   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 695   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 696                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 697   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 698
 699   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 700     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 701   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 702   aProjectionFeature->execute();
 703
 704   // if projection feature has not been created, exit
 705   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 706     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 707   if (!aRefAttr || !aRefAttr->isInitialized())
 708     return ResultPtr();
 709
 710   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 711   if (aProjection.get() && aProjection->lastResult().get())
 712     return aProjection->lastResult();
 713
 714   return ResultPtr();
 715 }