src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_Tools.cpp
   4 // Created:     28 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include <PartSet_Tools.h>
   8 #include <PartSet_Module.h>
   9 #include <PartSet_SketcherMgr.h>
  10
  11 #include <ModelAPI_Data.h>
  12 #include <ModelAPI_AttributeDouble.h>
  13 #include <ModelAPI_AttributeRefList.h>
  14 #include <ModelAPI_Document.h>
  15 #include <ModelAPI_Session.h>
  16 #include <ModelAPI_ResultConstruction.h>
  17 #include <ModelAPI_Events.h>
  18
  19 #include <Events_Loop.h>
  20
  21 #include <SketcherPrs_Tools.h>
  22
  23 #include <XGUI_ModuleConnector.h>
  24 #include <XGUI_Displayer.h>
  25 #include <XGUI_Workshop.h>
  26 #include <XGUI_SelectionMgr.h>
  27 #include <XGUI_Selection.h>
  28
  29 #include <GeomDataAPI_Point.h>
  30 #include <GeomDataAPI_Dir.h>
  31 #include <GeomDataAPI_Point2D.h>
  32 #include <GeomAPI_Pln.h>
  33 #include <GeomAPI_Pnt2d.h>
  34 #include <GeomAPI_Pnt.h>
  35 #include <GeomAPI_Edge.h>
  36 #include <GeomAPI_Vertex.h>
  37
  38 #include <GeomAPI_Dir.h>
  39 #include <GeomAPI_XYZ.h>
  40
  41 #include <SketchPlugin_Feature.h>
  42 #include <SketchPlugin_Sketch.h>
  43 #include <SketchPlugin_ConstraintCoincidence.h>
  44 #include <SketchPlugin_ConstraintDistance.h>
  45 #include <SketchPlugin_ConstraintLength.h>
  46 #include <SketchPlugin_ConstraintRadius.h>
  47 #include <SketchPlugin_ConstraintRigid.h>
  48 #include <SketchPlugin_Constraint.h>
  49 #include <SketchPlugin_Circle.h>
  50 #include <SketchPlugin_Arc.h>
  51 #include <SketchPlugin_Line.h>
  52 #include <SketchPlugin_Point.h>
  53
  54 #include <ModuleBase_IWorkshop.h>
  55 #include <ModuleBase_ViewerPrs.h>
  56
  57 #include <V3d_View.hxx>
  58 #include <gp_Pln.hxx>
  59 #include <gp_Circ.hxx>
  60 #include <ProjLib.hxx>
  61 #include <ElSLib.hxx>
  62 #include <Geom_Line.hxx>
  63 #include <GeomAPI_ProjectPointOnCurve.hxx>
  64 #include <BRep_Tool.hxx>
  65 #include <TopoDS.hxx>
  66 #include <TopoDS_Edge.hxx>
  67 #include <TopoDS_Vertex.hxx>
  68 #include <AIS_InteractiveObject.hxx>
  69 #include <StdSelect_BRepOwner.hxx>
  70 #include <SelectMgr_IndexedMapOfOwner.hxx>
  71
  72 #ifdef _DEBUG
  73 #include <QDebug>
  74 #endif
  75
  76 const double PRECISION_TOLERANCE = 0.000001;
  77 const int AIS_DEFAULT_WIDTH = 2;
  78
  79 int PartSet_Tools::getAISDefaultWidth()
  80 {
  81   return AIS_DEFAULT_WIDTH;
  82 }
  83
  84 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  85 {
  86   if (theView.IsNull())
  87     return gp_Pnt();
  88
  89   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  90   theView->Eye(XEye, YEye, ZEye);
  91
  92   theView->At(XAt, YAt, ZAt);
  93   gp_Pnt EyePoint(XEye, YEye, ZEye);
  94   gp_Pnt AtPoint(XAt, YAt, ZAt);
  95
  96   gp_Vec EyeVector(EyePoint, AtPoint);
  97   gp_Dir EyeDir(EyeVector);
  98
  99   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 100   Standard_Real X, Y, Z;
 101   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 102   gp_Pnt ConvertedPoint(X, Y, Z);
 103
 104   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 105   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 106                                      PlaneOfTheView);
 107   return ResultPoint;
 108 }
 109
 110 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 111 Handle(V3d_View) theView,
 112                                 double& theX, double& theY)
 113 {
 114   if (!theSketch)
 115     return;
 116
 117   AttributeDoublePtr anAttr;
 118   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 119
 120   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 121       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 122
 123   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 124       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 125   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 126       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 127   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 128
 129   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 130   gp_Vec aVec(anOriginPnt, thePoint);
 131
 132   if (!theView.IsNull()) {
 133     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 134     theView->Eye(XEye, YEye, ZEye);
 135
 136     theView->At(XAt, YAt, ZAt);
 137     gp_Pnt EyePoint(XEye, YEye, ZEye);
 138     gp_Pnt AtPoint(XAt, YAt, ZAt);
 139
 140     gp_Vec anEyeVec(EyePoint, AtPoint);
 141     anEyeVec.Normalize();
 142
 143     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 144         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 145     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 146
 147     double aDen = anEyeVec * aNormalVec;
 148     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 149
 150     gp_Vec aDeltaVec = anEyeVec * aLVec;
 151     aVec = aVec - aDeltaVec;
 152   }
 153   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 154   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 155 }
 156
 157 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 158                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 159 {
 160   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 161   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 162     return aRes;
 163   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 164       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 165   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 166       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 167   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 168       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 169   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 170   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 171 }
 172
 173
 174 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY, FeaturePtr theSketch)
 175 {
 176   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 177
 178   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 179       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 180   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 181       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 182   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 183       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 184   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 185
 186   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 187     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 188
 189   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 190 }
 191
 192 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 193 {
 194   return ModelAPI_Session::get()->moduleDocument();
 195 }
 196
 197 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 198                                     const std::string& theAttribute)
 199 {
 200   if (!theFeature)
 201     return;
 202   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 203   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 204       aData->attribute(theAttribute));
 205   if (anAttribute)
 206     anAttribute->setValue(theValue);
 207 }
 208
 209 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 210                                    bool& isValid)
 211 {
 212   isValid = false;
 213   double aValue = 0;
 214   if (theFeature) {
 215     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 216     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 217         aData->attribute(theAttribute));
 218     if (anAttribute) {
 219       aValue = anAttribute->value();
 220       isValid = true;
 221     }
 222   }
 223   return aValue;
 224 }
 225
 226 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 227                                   const std::string& theKind)
 228 {
 229   FeaturePtr aFeature;
 230   if (!theFeature)
 231     return aFeature;
 232
 233   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 234   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 235       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 236   if (anAttr) {
 237     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 238     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 239       aFeature = FeaturePtr();
 240     }
 241   }
 242   return aFeature;
 243 }
 244
 245 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 246                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 247                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 248 {
 249   FeaturePtr aFeature;
 250   if (theSketch) {
 251     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 252   } else {
 253     std::shared_ptr<ModelAPI_Document> aDoc = document();
 254     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 255   }
 256
 257   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 258
 259   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 260       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 261   aRef1->setAttr(thePoint1);
 262
 263   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 264       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 265   aRef2->setAttr(thePoint2);
 266
 267   // we need to flush created signal in order to coincidence is processed by solver
 268   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 269 }
 270
 271 /*std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::
 272   findAttributePoint(CompositeFeaturePtr theSketch, double theX, double theY,
 273   double theTolerance, const QList<FeaturePtr>& theIgnore)
 274 {
 275   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 276       new GeomAPI_Pnt2d(theX, theY));
 277
 278   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 279   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 280     FeaturePtr aFeature = theSketch->subFeature(i);
 281     if (!theIgnore.contains(aFeature)) {
 282       anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 283
 284       std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt;
 285       for (anIt = anAttiributes.cbegin(); anIt != anAttiributes.cend(); ++anIt) {
 286         std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 287           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 288         double x = aCurPoint->x();
 289         double y = aCurPoint->y();
 290         if (aCurPoint && (aCurPoint->pnt()->distance(aClickedPoint) < theTolerance)) {
 291           return aCurPoint;
 292         }
 293       }
 294     }
 295   }
 296   return std::shared_ptr<GeomDataAPI_Point2D>();
 297 }*/
 298
 299
 300 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findFirstEqualPointInArgumentFeatures(
 301                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 302 {
 303   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 304
 305   // may be feature is not updated yet, execute is not performed and references features
 306   // are not created. Case: rectangle macro feature
 307   ModuleBase_ModelWidget::updateObject(theFeature);
 308
 309   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 310                                           ModelAPI_AttributeRefList::typeId());
 311   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 312   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 313     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 314                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 315     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 316       ObjectPtr anObject = aCurSelList->object(i);
 317       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 318       if (aFeature.get())
 319         aFeaturePoint = PartSet_Tools::findFirstEqualPoint(aFeature, thePoint);
 320     }
 321   }
 322   return aFeaturePoint;
 323 }
 324
 325 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findFirstEqualPoint(const FeaturePtr& theFeature,
 326                                                       const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 327 {
 328   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 329
 330   // find the given point in the feature attributes
 331   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 332                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 333   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 334       aLast = anAttiributes.end();
 335   for (; anIt != aLast && !aFPoint; anIt++) {
 336     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 337       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 338     if (aCurPoint && (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
 339       aFPoint = aCurPoint;
 340       break;
 341     }
 342   }
 343   return aFPoint;
 344 }
 345
 346 void PartSet_Tools::setConstraints(CompositeFeaturePtr theSketch, FeaturePtr theFeature,
 347                                    const std::string& theAttribute, double theClickedX,
 348                                    double theClickedY)
 349 {
 350   if (!theFeature.get())
 351     return;
 352
 353   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 354       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 355
 356   // find a feature point by the selection mode
 357   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 358   if (theFeature->isMacro()) {
 359     // the macro feature will be removed after the operation is stopped, so we need to build
 360     // coicidence to possible sub-features
 361     aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(theFeature, aClickedPoint);
 362   }
 363   else {
 364     aFeaturePoint = std::dynamic_pointer_cast<
 365         GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 366   }
 367   if (!aFeaturePoint)
 368     return;
 369
 370   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 371   // the constraint is created between the feature point and the found sketch point
 372   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 373   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 374       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 375
 376   std::list<ObjectPtr> aFeatures = aRefList->list();
 377   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 378   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 379   for (; anIt != aLast; anIt++) {
 380     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 381     if (!aFeature.get() || theFeature == aFeature)
 382       continue;
 383     std::shared_ptr<GeomDataAPI_Point2D> aFPoint = PartSet_Tools::findFirstEqualPoint(aFeature,
 384                                                                                 aClickedPoint);
 385     if (aFPoint)
 386       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 387   }
 388 }
 389
 390 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 391 {
 392   std::shared_ptr<GeomAPI_Pln> aPlane;
 393
 394   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 395   if (aData) {
 396     std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 397         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 398     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 399         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 400     if (aNormal.get() && aNormal->isInitialized() &&
 401         anOrigin.get() && anOrigin->isInitialized()) {
 402       double adX = aNormal->x();
 403       double adY = aNormal->y();
 404       double adZ = aNormal->z();
 405
 406       if ( (adX != 0) || (adY != 0) || (adZ != 0) ) { // Plane is valid
 407         double aX = anOrigin->x();
 408         double aY = anOrigin->y();
 409         double aZ = anOrigin->z();
 410         gp_Pln aPln(gp_Pnt(aX, aY, aZ), gp_Dir(adX, adY, adZ));
 411         double aA, aB, aC, aD;
 412         aPln.Coefficients(aA, aB, aC, aD);
 413         aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 414       }
 415     }
 416   }
 417   return aPlane;
 418 }
 419
 420 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 421                                                       CompositeFeaturePtr theSketch)
 422 {
 423   std::shared_ptr<GeomAPI_Pnt> aPoint;
 424   if (!theSketch || !thePoint2D)
 425     return aPoint;
 426
 427   DataPtr aData = theSketch->data();
 428   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 429       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 430   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 431       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 432   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 433       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 434   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 435
 436   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 437 }
 438
 439 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 440                                                    const ObjectPtr& theObject,
 441                                                    CompositeFeaturePtr theSketch)
 442 {
 443   ResultPtr aResult;
 444   if (theShape.ShapeType() == TopAbs_EDGE) {
 445     // Check that we already have such external edge
 446     std::shared_ptr<GeomAPI_Edge> aInEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge());
 447     aInEdge->setImpl(new TopoDS_Shape(theShape));
 448     aResult = findExternalEdge(theSketch, aInEdge);
 449   }
 450   if (theShape.ShapeType() == TopAbs_VERTEX) {
 451     std::shared_ptr<GeomAPI_Vertex> aInVert = std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex());
 452     aInVert->setImpl(new TopoDS_Shape(theShape));
 453     aResult = findExternalVertex(theSketch, aInVert);
 454   }
 455   return aResult;
 456 }
 457
 458 ResultPtr PartSet_Tools::createFixedObjectByExternal(const TopoDS_Shape& theShape,
 459                                                      const ObjectPtr& theObject,
 460                                                      CompositeFeaturePtr theSketch,
 461                                                      const bool theTemporary)
 462 {
 463   if (theShape.ShapeType() == TopAbs_EDGE) {
 464     Standard_Real aStart, aEnd;
 465     Handle(V3d_View) aNullView;
 466     FeaturePtr aMyFeature;
 467
 468     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(theShape), aStart, aEnd);
 469     GeomAdaptor_Curve aAdaptor(aCurve);
 470     std::shared_ptr<GeomAPI_Edge> anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge);
 471     anEdge->setImpl(new TopoDS_Shape(theShape));
 472     if (aAdaptor.GetType() == GeomAbs_Line) {
 473       // Create line
 474       aMyFeature = theSketch->addFeature(SketchPlugin_Line::ID());
 475       if (!theObject.get()) {
 476         // There is no selected result
 477         std::shared_ptr<GeomAPI_Pnt> aPnt1 = anEdge->firstPoint();
 478         std::shared_ptr<GeomAPI_Pnt> aPnt2 = anEdge->lastPoint();
 479         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d1 = convertTo2D(theSketch, aPnt1);
 480         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d2 = convertTo2D(theSketch, aPnt2);
 481
 482         std::shared_ptr<ModelAPI_Data> aData = aMyFeature->data();
 483         std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
 484           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
 485         std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
 486           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 487
 488         aPoint1->setValue(aPnt2d1);
 489         aPoint2->setValue(aPnt2d2);
 490
 491         // If this is an axis then its name has to be changed correspondently
 492         std::string aSuffix = "";
 493         bool aXdir = fabs(aPnt1->x() - aPnt2->x()) > Precision::Confusion();
 494         bool aYdir = fabs(aPnt1->y() - aPnt2->y()) > Precision::Confusion();
 495         bool aZdir = fabs(aPnt1->z() - aPnt2->z()) > Precision::Confusion();
 496         if (aXdir && (!aYdir) && (!aZdir))
 497           aSuffix = "X";
 498         else if ((!aXdir) && aYdir && (!aZdir))
 499           aSuffix = "Y";
 500         else if ((!aXdir) && (!aYdir) && aZdir)
 501           aSuffix = "Z";
 502         if (aSuffix.length() > 0)
 503           aData->setName("Axis_" + aSuffix);
 504         aMyFeature->execute();
 505
 506       }
 507     } else if (aAdaptor.GetType() == GeomAbs_Circle) {
 508       if (anEdge->isArc()) {
 509         // Create arc
 510         aMyFeature = theSketch->addFeature(SketchPlugin_Arc::ID());
 511       }
 512       else {
 513         // Create circle
 514         aMyFeature = theSketch->addFeature(SketchPlugin_Circle::ID());
 515       }
 516     }
 517     if (aMyFeature) {
 518       DataPtr aData = aMyFeature->data();
 519       AttributeSelectionPtr anAttr =
 520         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 521         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 522
 523       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 524       // selection shape has no result owner => the trihedron axis
 525       // TODO: make reference to the real axes when they are implemented in the initialization plugin
 526       if (!aRes.get()) {
 527         ObjectPtr aPointObj = ModelAPI_Session::get()->moduleDocument()->objectByName(
 528           ModelAPI_ResultConstruction::group(), "Origin");
 529         if (aPointObj.get()) { // if initialization plugin performed well
 530           aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aPointObj);
 531         }
 532       }
 533       if (!aRes.get()) {
 534         aRes = aMyFeature->firstResult();
 535       }
 536       if (anAttr.get() && aRes.get()) {
 537         std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
 538         anEdge->setImpl(new TopoDS_Shape(theShape));
 539
 540         anAttr->setValue(aRes, anEdge);
 541         //if (!theTemporary) {
 542           aMyFeature->execute();
 543
 544           // fix this edge
 545           FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 546           aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 547             setObject(aMyFeature->lastResult());
 548         //}
 549         return aMyFeature->lastResult();
 550       }
 551     }
 552   }
 553   if (theShape.ShapeType() == TopAbs_VERTEX) {
 554     FeaturePtr aMyFeature = theSketch->addFeature(SketchPlugin_Point::ID());
 555
 556     if (aMyFeature) {
 557       DataPtr aData = aMyFeature->data();
 558       AttributeSelectionPtr anAttr =
 559         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 560         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 561
 562       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 563       // if there is no object, it means that this is the origin point: search it in the module document
 564       if (!aRes.get()) {
 565         ObjectPtr aPointObj = ModelAPI_Session::get()->moduleDocument()->objectByName(
 566           ModelAPI_ResultConstruction::group(), "Origin");
 567         if (aPointObj.get()) { // if initialization plugin performed well
 568           aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aPointObj);
 569         }
 570       }
 571       // reference to itself with name "Origin" (but this may cause the infinitive cycling)
 572       if (!aRes.get()) {
 573         // If the point is selected not from Result object
 574         std::shared_ptr<GeomAPI_Shape> aShape =
 575           std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 576         aShape->setImpl(new TopoDS_Shape(theShape));
 577
 578         std::shared_ptr<GeomAPI_Vertex> aVertex =
 579           std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(aShape));
 580         std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 581
 582         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = convertTo2D(theSketch, aPnt);
 583         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 584           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Point::COORD_ID()));
 585         aPoint->setValue(aPnt2d);
 586         if ((aPnt->x() < Precision::Confusion()) &&
 587             (aPnt->y() < Precision::Confusion()) &&
 588             (aPnt->z() < Precision::Confusion()))
 589           aData->setName("Origin");
 590
 591         aMyFeature->execute();
 592         aRes = aMyFeature->firstResult();
 593       }
 594       if (anAttr.get() && aRes.get()) {
 595         std::shared_ptr<GeomAPI_Shape> aVert(new GeomAPI_Shape);
 596         aVert->setImpl(new TopoDS_Shape(theShape));
 597
 598         anAttr->setValue(aRes, aVert);
 599         //if (theTemporary) {
 600           aMyFeature->execute();
 601
 602           // fix this edge
 603           FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 604           aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 605             setObject(aMyFeature->lastResult());
 606         //}
 607         return aMyFeature->lastResult();
 608       }
 609     }
 610   }
 611   return ResultPtr();
 612 }
 613
 614 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 615                                           const ModuleBase_ViewerPrsPtr& thePrs)
 616 {
 617   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 618     if (aPrs->object() == thePrs->object())
 619       return true;
 620   }
 621   return false;
 622 }
 623
 624 ResultPtr PartSet_Tools::findExternalEdge(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Edge> theEdge)
 625 {
 626   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 627     FeaturePtr aFeature = theSketch->subFeature(i);
 628     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 629       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 630     if (aSketchFea) {
 631       if (aSketchFea->isExternal()) {
 632         std::list<ResultPtr> aResults = aSketchFea->results();
 633         std::list<ResultPtr>::const_iterator aIt;
 634         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 635           ResultConstructionPtr aRes =
 636             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 637           if (aRes) {
 638             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 639             if (aShape) {
 640               if (theEdge->isEqual(aShape))
 641                 return aRes;
 642             }
 643           }
 644         }
 645       }
 646     }
 647   }
 648   return ResultPtr();
 649 }
 650
 651
 652 ResultPtr PartSet_Tools::findExternalVertex(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Vertex> theVert)
 653 {
 654   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 655     FeaturePtr aFeature = theSketch->subFeature(i);
 656     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 657       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 658     if (aSketchFea) {
 659       if (aSketchFea->isExternal()) {
 660         std::list<ResultPtr> aResults = aSketchFea->results();
 661         std::list<ResultPtr>::const_iterator aIt;
 662         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 663           ResultConstructionPtr aRes =
 664             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 665           if (aRes) {
 666             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 667             if (aShape) {
 668               if (theVert->isEqual(aShape))
 669                 return aRes;
 670             }
 671           }
 672         }
 673       }
 674     }
 675   }
 676   return ResultPtr();
 677 }
 678
 679
 680 bool PartSet_Tools::hasVertexShape(const ModuleBase_ViewerPrsPtr& thePrs, FeaturePtr theSketch,
 681                                    Handle_V3d_View theView, double& theX, double& theY)
 682 {
 683   bool aHasVertex = false;
 684
 685   const GeomShapePtr& aShape = thePrs->shape();
 686   if (aShape.get() && !aShape->isNull() && aShape->shapeType() == GeomAPI_Shape::VERTEX)
 687   {
 688     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 689     const TopoDS_Vertex& aVertex = TopoDS::Vertex(aTDShape);
 690     if (!aVertex.IsNull())
 691     {
 692       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 693       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, theX, theY);
 694       aHasVertex = true;
 695     }
 696   }
 697
 698   return aHasVertex;
 699 }
 700
 701 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 702                                                        ModuleBase_IWorkshop* theWorkshop)
 703 {
 704   GeomShapePtr aShape;
 705   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 706   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 707
 708   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 709   // the same, return it
 710   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 711   // 2.1 get visualized results of the feature
 712   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 713   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 714   for (; anIt != aLast; anIt++) {
 715     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 716     if (aAISObj.get() != NULL) {
 717       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 718       // 2.2 find selected owners of a visualizedd object
 719       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 720       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 721       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 722         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 723         if (!anOwner.IsNull()) {
 724           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 725           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 726             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 727             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 728               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 729               // attribute, returns the shape
 730               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 731               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 732               AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 733                                                         aBRepShape, aSketchMgr->activeSketch());
 734               if (aPntAttr.get() != NULL && aPntAttr == theAttribute) {
 735                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 736                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 737                 break;
 738               }
 739             }
 740           }
 741         }
 742       }
 743     }
 744   }
 745   return aShape;
 746 }
 747
 748 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(std::shared_ptr<ModelAPI_Feature>& theFeature,
 749                                                        const std::string& theAttribute)
 750 {
 751   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 752
 753   if (!theFeature->data())
 754     return std::shared_ptr<GeomAPI_Pnt2d>();
 755
 756   FeaturePtr aFeature;
 757   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 758       ModelAPI_AttributeRefAttr>(theFeature->data()->attribute(theAttribute));
 759   if (!anAttr)
 760     return std::shared_ptr<GeomAPI_Pnt2d>();
 761
 762   aFeature = ModelAPI_Feature::feature(anAttr->object());
 763
 764   if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
 765     aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 766         aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
 767
 768   else if (anAttr->attr()) {
 769     aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
 770   }
 771   if (aPointAttr.get() != NULL)
 772     return aPointAttr->pnt();
 773   return std::shared_ptr<GeomAPI_Pnt2d>();
 774 }
 775
 776 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData, std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 777 {
 778   FeaturePtr aCoincident;
 779
 780   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 781   std::set<AttributePtr>::const_iterator aIt;
 782   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 783     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 784     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 785     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 786       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 787         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 788       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 789         aCoincident = aConstrFeature;
 790         break;
 791       } else {
 792         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 793                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 794         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 795           aCoincident = aConstrFeature;
 796           break;
 797         }
 798       }
 799     }
 800   }
 801   return aCoincident;
 802 }
 803
 804 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 805                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 806 {
 807   FeaturePtr aCoincident;
 808   if (theFeature.get() == NULL)
 809     return aCoincident;
 810
 811   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 812   std::set<AttributePtr>::const_iterator aIt;
 813   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 814     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 815     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 816     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 817       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 818         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 819       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 820         aCoincident = aConstrFeature;
 821         break;
 822       } else {
 823         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 824                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 825         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 826           aCoincident = aConstrFeature;
 827           break;
 828         }
 829       }
 830     }
 831   }
 832   /// Find by result
 833   if (!aCoincident.get()) {
 834     std::list<ResultPtr> aResults = theFeature->results();
 835     std::list<ResultPtr>::const_iterator aIt;
 836     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 837       ResultPtr aResult = *aIt;
 838       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 839       if (aCoincident.get())
 840         break;
 841     }
 842   }
 843   return aCoincident;
 844 }
 845
 846 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 847                                      QList<FeaturePtr>& theCoincidencies,
 848                                      std::string theAttr)
 849 {
 850   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 851   if (aOrig.get() == NULL)
 852     return;
 853
 854   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 855   if (!aPnt)
 856     return;
 857   ObjectPtr aObj = aPnt->object();
 858   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 859   if (aFeature.get()) {
 860     if (!theList.contains(aFeature)) {
 861       theList.append(aFeature);
 862       theCoincidencies.append(theStartCoin);
 863       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 864       std::set<AttributePtr>::const_iterator aIt;
 865       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 866         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 867         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 868         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 869           if (!theCoincidencies.contains(aConstrFeature)) {
 870             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 871             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 872               findCoincidences(aConstrFeature, theList, theCoincidencies,
 873                 SketchPlugin_ConstraintCoincidence::ENTITY_A());
 874               findCoincidences(aConstrFeature, theList, theCoincidencies,
 875                 SketchPlugin_ConstraintCoincidence::ENTITY_B());
 876             }
 877           }
 878         }
 879       }
 880     }
 881   } else {
 882     // Find by Results
 883     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 884     if (aResult.get()) {
 885       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 886       if (!theList.contains(aFeature))
 887         theList.append(aFeature);
 888       theCoincidencies.append(theStartCoin);
 889
 890       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 891       std::set<AttributePtr>::const_iterator aIt;
 892       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 893         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 894         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 895         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 896           if (!theCoincidencies.contains(aConstrFeature)) {
 897             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 898             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 899               findCoincidences(aConstrFeature, theList, theCoincidencies,
 900                 SketchPlugin_ConstraintCoincidence::ENTITY_A());
 901               findCoincidences(aConstrFeature, theList, theCoincidencies,
 902                 SketchPlugin_ConstraintCoincidence::ENTITY_B());
 903             }
 904           }
 905         }
 906       }
 907     }
 908   }
 909 }
 910
 911 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 912 {
 913   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 914                                                                     SketchPlugin_Constraint::ENTITY_A());
 915   if (aPnt.get() == NULL)
 916     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 917   return aPnt;
 918 }
 919
 920 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 921                                                    const TopoDS_Shape theShape,
 922                                                    FeaturePtr theSketch)
 923 {
 924
 925   AttributePtr anAttribute;
 926   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 927   if (aFeature) {
 928     if (theShape.ShapeType() == TopAbs_VERTEX) {
 929       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 930       if (!aVertex.IsNull())  {
 931         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 932         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 933             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 934
 935         // find the given point in the feature attributes
 936         std::list<AttributePtr> anAttiributes =
 937           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 938         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 939                                                 aLast = anAttiributes.end();
 940         for (; anIt != aLast && !anAttribute; anIt++) {
 941           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 942             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 943
 944           std::shared_ptr<GeomAPI_Pnt> aPnt = convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 945           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 946             anAttribute = aCurPoint;
 947             break;
 948           }
 949         }
 950       }
 951     }
 952   }
 953   return anAttribute;
 954 }
 955
 956 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 957                                          const Events_ID theEventId)
 958 {
 959   if (!theComposite.get())
 960     return;
 961
 962   static Events_Loop* aLoop = Events_Loop::loop();
 963   for (int i = 0; i < theComposite->numberOfSubs(); i++) {
 964     FeaturePtr aSubFeature = theComposite->subFeature(i);
 965     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 966     aECreator->sendUpdated(aSubFeature, theEventId);
 967   }
 968   Events_Loop::loop()->flush(theEventId);
 969 }
 970
 971 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 972 {
 973   bool isAuxiliaryFeature = false;
 974
 975   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 976   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 977   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 978                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 979   if (anAuxiliaryAttr.get())
 980     isAuxiliaryFeature = anAuxiliaryAttr->value();
 981
 982
 983   return isAuxiliaryFeature;
 984 }