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 #include <ModuleBase_Tools.h>
  57
  58 #include <V3d_View.hxx>
  59 #include <gp_Pln.hxx>
  60 #include <gp_Circ.hxx>
  61 #include <ProjLib.hxx>
  62 #include <ElSLib.hxx>
  63 #include <Geom_Line.hxx>
  64 #include <GeomAPI_ProjectPointOnCurve.hxx>
  65 #include <BRep_Tool.hxx>
  66 #include <TopoDS.hxx>
  67 #include <TopoDS_Edge.hxx>
  68 #include <TopoDS_Vertex.hxx>
  69 #include <AIS_InteractiveObject.hxx>
  70 #include <StdSelect_BRepOwner.hxx>
  71 #include <SelectMgr_IndexedMapOfOwner.hxx>
  72
  73 #ifdef _DEBUG
  74 #include <QDebug>
  75 #endif
  76
  77 const double PRECISION_TOLERANCE = 0.000001;
  78 const int AIS_DEFAULT_WIDTH = 2;
  79
  80 int PartSet_Tools::getAISDefaultWidth()
  81 {
  82   return AIS_DEFAULT_WIDTH;
  83 }
  84
  85 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  86 {
  87   if (theView.IsNull())
  88     return gp_Pnt();
  89
  90   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  91   theView->Eye(XEye, YEye, ZEye);
  92
  93   theView->At(XAt, YAt, ZAt);
  94   gp_Pnt EyePoint(XEye, YEye, ZEye);
  95   gp_Pnt AtPoint(XAt, YAt, ZAt);
  96
  97   gp_Vec EyeVector(EyePoint, AtPoint);
  98   gp_Dir EyeDir(EyeVector);
  99
 100   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 101   Standard_Real X, Y, Z;
 102   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 103   gp_Pnt ConvertedPoint(X, Y, Z);
 104
 105   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 106   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 107                                      PlaneOfTheView);
 108   return ResultPoint;
 109 }
 110
 111 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 112 Handle(V3d_View) theView,
 113                                 double& theX, double& theY)
 114 {
 115   if (!theSketch)
 116     return;
 117
 118   AttributeDoublePtr anAttr;
 119   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 120
 121   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 122       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 123
 124   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 125       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 126   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 127       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 128   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 129
 130   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 131   gp_Vec aVec(anOriginPnt, thePoint);
 132
 133   if (!theView.IsNull()) {
 134     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 135     theView->Eye(XEye, YEye, ZEye);
 136
 137     theView->At(XAt, YAt, ZAt);
 138     gp_Pnt EyePoint(XEye, YEye, ZEye);
 139     gp_Pnt AtPoint(XAt, YAt, ZAt);
 140
 141     gp_Vec anEyeVec(EyePoint, AtPoint);
 142     anEyeVec.Normalize();
 143
 144     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 145         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 146     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 147
 148     double aDen = anEyeVec * aNormalVec;
 149     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 150
 151     gp_Vec aDeltaVec = anEyeVec * aLVec;
 152     aVec = aVec - aDeltaVec;
 153   }
 154   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 155   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 156 }
 157
 158 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 159                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 160 {
 161   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 162   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 163     return aRes;
 164   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 165       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 166   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 167       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 168   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 169       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 170   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 171   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 172 }
 173
 174
 175 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY, FeaturePtr theSketch)
 176 {
 177   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 178
 179   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 180       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 181   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 182       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 183   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 184       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 185   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 186
 187   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 188     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 189
 190   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 191 }
 192
 193 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 194 {
 195   return ModelAPI_Session::get()->moduleDocument();
 196 }
 197
 198 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 199                                     const std::string& theAttribute)
 200 {
 201   if (!theFeature)
 202     return;
 203   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 204   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 205       aData->attribute(theAttribute));
 206   if (anAttribute)
 207     anAttribute->setValue(theValue);
 208 }
 209
 210 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 211                                    bool& isValid)
 212 {
 213   isValid = false;
 214   double aValue = 0;
 215   if (theFeature) {
 216     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 217     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 218         aData->attribute(theAttribute));
 219     if (anAttribute) {
 220       aValue = anAttribute->value();
 221       isValid = true;
 222     }
 223   }
 224   return aValue;
 225 }
 226
 227 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 228                                   const std::string& theKind)
 229 {
 230   FeaturePtr aFeature;
 231   if (!theFeature)
 232     return aFeature;
 233
 234   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 235   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 236       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 237   if (anAttr) {
 238     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 239     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 240       aFeature = FeaturePtr();
 241     }
 242   }
 243   return aFeature;
 244 }
 245
 246 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 247                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 248                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 249 {
 250   FeaturePtr aFeature;
 251   if (theSketch) {
 252     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 253   } else {
 254     std::shared_ptr<ModelAPI_Document> aDoc = document();
 255     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 256   }
 257
 258   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 259
 260   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 261       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 262   aRef1->setAttr(thePoint1);
 263
 264   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 265       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 266   aRef2->setAttr(thePoint2);
 267
 268   // we need to flush created signal in order to coincidence is processed by solver
 269   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 270 }
 271
 272 /*std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::
 273   findAttributePoint(CompositeFeaturePtr theSketch, double theX, double theY,
 274   double theTolerance, const QList<FeaturePtr>& theIgnore)
 275 {
 276   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 277       new GeomAPI_Pnt2d(theX, theY));
 278
 279   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 280   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 281     FeaturePtr aFeature = theSketch->subFeature(i);
 282     if (!theIgnore.contains(aFeature)) {
 283       anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 284
 285       std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt;
 286       for (anIt = anAttiributes.cbegin(); anIt != anAttiributes.cend(); ++anIt) {
 287         std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 288           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 289         double x = aCurPoint->x();
 290         double y = aCurPoint->y();
 291         if (aCurPoint && (aCurPoint->pnt()->distance(aClickedPoint) < theTolerance)) {
 292           return aCurPoint;
 293         }
 294       }
 295     }
 296   }
 297   return std::shared_ptr<GeomDataAPI_Point2D>();
 298 }*/
 299
 300
 301 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findFirstEqualPointInArgumentFeatures(
 302                   const FeaturePtr& theFeature, const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 303 {
 304   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 305
 306   // may be feature is not updated yet, execute is not performed and references features
 307   // are not created. Case: rectangle macro feature
 308   ModuleBase_Tools::flushUpdated(theFeature);
 309
 310   std::list<AttributePtr> anAttributes = theFeature->data()->attributes(
 311                                           ModelAPI_AttributeRefList::typeId());
 312   std::list<AttributePtr>::const_iterator anIt = anAttributes.begin(), aLast = anAttributes.end();
 313   for (; anIt != aLast && !aFeaturePoint.get(); anIt++) {
 314     std::shared_ptr<ModelAPI_AttributeRefList> aCurSelList =
 315                                       std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*anIt);
 316     for (int i = 0, aNb = aCurSelList->size(); i < aNb && !aFeaturePoint.get(); i++) {
 317       ObjectPtr anObject = aCurSelList->object(i);
 318       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
 319       if (aFeature.get())
 320         aFeaturePoint = PartSet_Tools::findFirstEqualPoint(aFeature, thePoint);
 321     }
 322   }
 323   return aFeaturePoint;
 324 }
 325
 326 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::findFirstEqualPoint(const FeaturePtr& theFeature,
 327                                                       const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 328 {
 329   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 330
 331   // find the given point in the feature attributes
 332   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 333                                     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 334   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 335       aLast = anAttiributes.end();
 336   for (; anIt != aLast && !aFPoint; anIt++) {
 337     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 338       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 339     if (aCurPoint && (aCurPoint->pnt()->distance(thePoint) < Precision::Confusion())) {
 340       aFPoint = aCurPoint;
 341       break;
 342     }
 343   }
 344   return aFPoint;
 345 }
 346
 347 void PartSet_Tools::setConstraints(CompositeFeaturePtr theSketch, FeaturePtr theFeature,
 348                                    const std::string& theAttribute, double theClickedX,
 349                                    double theClickedY)
 350 {
 351   if (!theFeature.get())
 352     return;
 353
 354   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 355       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 356
 357   // find a feature point by the selection mode
 358   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint;
 359   if (theFeature->isMacro()) {
 360     // the macro feature will be removed after the operation is stopped, so we need to build
 361     // coicidence to possible sub-features
 362     aFeaturePoint = PartSet_Tools::findFirstEqualPointInArgumentFeatures(theFeature, aClickedPoint);
 363   }
 364   else {
 365     aFeaturePoint = std::dynamic_pointer_cast<
 366         GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 367   }
 368   if (!aFeaturePoint)
 369     return;
 370
 371   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 372   // the constraint is created between the feature point and the found sketch point
 373   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 374   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 375       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 376
 377   std::list<ObjectPtr> aFeatures = aRefList->list();
 378   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 379   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 380   for (; anIt != aLast; anIt++) {
 381     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 382     if (!aFeature.get() || theFeature == aFeature)
 383       continue;
 384     std::shared_ptr<GeomDataAPI_Point2D> aFPoint = PartSet_Tools::findFirstEqualPoint(aFeature,
 385                                                                                 aClickedPoint);
 386     if (aFPoint)
 387       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 388   }
 389 }
 390
 391 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 392 {
 393   std::shared_ptr<GeomAPI_Pln> aPlane;
 394
 395   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 396   if (aData) {
 397     std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 398         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 399     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 400         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 401     if (aNormal.get() && aNormal->isInitialized() &&
 402         anOrigin.get() && anOrigin->isInitialized()) {
 403       double adX = aNormal->x();
 404       double adY = aNormal->y();
 405       double adZ = aNormal->z();
 406
 407       if ( (adX != 0) || (adY != 0) || (adZ != 0) ) { // Plane is valid
 408         double aX = anOrigin->x();
 409         double aY = anOrigin->y();
 410         double aZ = anOrigin->z();
 411         gp_Pln aPln(gp_Pnt(aX, aY, aZ), gp_Dir(adX, adY, adZ));
 412         double aA, aB, aC, aD;
 413         aPln.Coefficients(aA, aB, aC, aD);
 414         aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 415       }
 416     }
 417   }
 418   return aPlane;
 419 }
 420
 421 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 422                                                       CompositeFeaturePtr theSketch)
 423 {
 424   std::shared_ptr<GeomAPI_Pnt> aPoint;
 425   if (!theSketch || !thePoint2D)
 426     return aPoint;
 427
 428   DataPtr aData = theSketch->data();
 429   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 430       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 431   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 432       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 433   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 434       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 435   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 436
 437   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 438 }
 439
 440 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 441                                                    const ObjectPtr& theObject,
 442                                                    CompositeFeaturePtr theSketch)
 443 {
 444   ResultPtr aResult;
 445   if (theShape.ShapeType() == TopAbs_EDGE) {
 446     // Check that we already have such external edge
 447     std::shared_ptr<GeomAPI_Edge> aInEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge());
 448     aInEdge->setImpl(new TopoDS_Shape(theShape));
 449     aResult = findExternalEdge(theSketch, aInEdge);
 450   }
 451   if (theShape.ShapeType() == TopAbs_VERTEX) {
 452     std::shared_ptr<GeomAPI_Vertex> aInVert = std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex());
 453     aInVert->setImpl(new TopoDS_Shape(theShape));
 454     aResult = findExternalVertex(theSketch, aInVert);
 455   }
 456   return aResult;
 457 }
 458
 459 ResultPtr PartSet_Tools::createFixedObjectByExternal(const TopoDS_Shape& theShape,
 460                                                      const ObjectPtr& theObject,
 461                                                      CompositeFeaturePtr theSketch,
 462                                                      const bool theTemporary)
 463 {
 464   if (theShape.ShapeType() == TopAbs_EDGE) {
 465     Standard_Real aStart, aEnd;
 466     Handle(V3d_View) aNullView;
 467     FeaturePtr aMyFeature;
 468
 469     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(theShape), aStart, aEnd);
 470     GeomAdaptor_Curve aAdaptor(aCurve);
 471     std::shared_ptr<GeomAPI_Edge> anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge);
 472     anEdge->setImpl(new TopoDS_Shape(theShape));
 473     if (aAdaptor.GetType() == GeomAbs_Line) {
 474       // Create line
 475       aMyFeature = theSketch->addFeature(SketchPlugin_Line::ID());
 476       if (!theObject.get()) {
 477         // There is no selected result
 478         std::shared_ptr<GeomAPI_Pnt> aPnt1 = anEdge->firstPoint();
 479         std::shared_ptr<GeomAPI_Pnt> aPnt2 = anEdge->lastPoint();
 480         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d1 = convertTo2D(theSketch, aPnt1);
 481         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d2 = convertTo2D(theSketch, aPnt2);
 482
 483         std::shared_ptr<ModelAPI_Data> aData = aMyFeature->data();
 484         std::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
 485           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::START_ID()));
 486         std::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
 487           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 488
 489         aPoint1->setValue(aPnt2d1);
 490         aPoint2->setValue(aPnt2d2);
 491
 492         // If this is an axis then its name has to be changed correspondently
 493         std::string aSuffix = "";
 494         bool aXdir = fabs(aPnt1->x() - aPnt2->x()) > Precision::Confusion();
 495         bool aYdir = fabs(aPnt1->y() - aPnt2->y()) > Precision::Confusion();
 496         bool aZdir = fabs(aPnt1->z() - aPnt2->z()) > Precision::Confusion();
 497         if (aXdir && (!aYdir) && (!aZdir))
 498           aSuffix = "X";
 499         else if ((!aXdir) && aYdir && (!aZdir))
 500           aSuffix = "Y";
 501         else if ((!aXdir) && (!aYdir) && aZdir)
 502           aSuffix = "Z";
 503         if (aSuffix.length() > 0)
 504           aData->setName("Axis_" + aSuffix);
 505         aMyFeature->execute();
 506
 507       }
 508     } else if (aAdaptor.GetType() == GeomAbs_Circle) {
 509       if (anEdge->isArc()) {
 510         // Create arc
 511         aMyFeature = theSketch->addFeature(SketchPlugin_Arc::ID());
 512       }
 513       else {
 514         // Create circle
 515         aMyFeature = theSketch->addFeature(SketchPlugin_Circle::ID());
 516       }
 517     }
 518     if (aMyFeature) {
 519       DataPtr aData = aMyFeature->data();
 520       AttributeSelectionPtr anAttr =
 521         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 522         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 523
 524       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 525       // selection shape has no result owner => the trihedron axis
 526       // TODO: make reference to the real axes when they are implemented in the initialization plugin
 527       if (!aRes.get()) {
 528         ObjectPtr aPointObj = ModelAPI_Session::get()->moduleDocument()->objectByName(
 529           ModelAPI_ResultConstruction::group(), "Origin");
 530         if (aPointObj.get()) { // if initialization plugin performed well
 531           aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aPointObj);
 532         }
 533       }
 534       if (!aRes.get()) {
 535         aRes = aMyFeature->firstResult();
 536       }
 537       if (anAttr.get() && aRes.get()) {
 538         std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
 539         anEdge->setImpl(new TopoDS_Shape(theShape));
 540
 541         anAttr->setValue(aRes, anEdge);
 542         //if (!theTemporary) {
 543           aMyFeature->execute();
 544
 545           // fix this edge
 546           FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 547           aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 548             setObject(aMyFeature->lastResult());
 549         //}
 550         return aMyFeature->lastResult();
 551       }
 552     }
 553   }
 554   if (theShape.ShapeType() == TopAbs_VERTEX) {
 555     FeaturePtr aMyFeature = theSketch->addFeature(SketchPlugin_Point::ID());
 556
 557     if (aMyFeature) {
 558       DataPtr aData = aMyFeature->data();
 559       AttributeSelectionPtr anAttr =
 560         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 561         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 562
 563       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 564       // if there is no object, it means that this is the origin point: search it in the module document
 565       if (!aRes.get()) {
 566         ObjectPtr aPointObj = ModelAPI_Session::get()->moduleDocument()->objectByName(
 567           ModelAPI_ResultConstruction::group(), "Origin");
 568         if (aPointObj.get()) { // if initialization plugin performed well
 569           aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aPointObj);
 570         }
 571       }
 572       // reference to itself with name "Origin" (but this may cause the infinitive cycling)
 573       if (!aRes.get()) {
 574         // If the point is selected not from Result object
 575         std::shared_ptr<GeomAPI_Shape> aShape =
 576           std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape());
 577         aShape->setImpl(new TopoDS_Shape(theShape));
 578
 579         std::shared_ptr<GeomAPI_Vertex> aVertex =
 580           std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(aShape));
 581         std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
 582
 583         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = convertTo2D(theSketch, aPnt);
 584         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 585           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Point::COORD_ID()));
 586         aPoint->setValue(aPnt2d);
 587         if ((aPnt->x() < Precision::Confusion()) &&
 588             (aPnt->y() < Precision::Confusion()) &&
 589             (aPnt->z() < Precision::Confusion()))
 590           aData->setName("Origin");
 591
 592         aMyFeature->execute();
 593         aRes = aMyFeature->firstResult();
 594       }
 595       if (anAttr.get() && aRes.get()) {
 596         std::shared_ptr<GeomAPI_Shape> aVert(new GeomAPI_Shape);
 597         aVert->setImpl(new TopoDS_Shape(theShape));
 598
 599         anAttr->setValue(aRes, aVert);
 600         //if (theTemporary) {
 601           aMyFeature->execute();
 602
 603           // fix this edge
 604           FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 605           aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 606             setObject(aMyFeature->lastResult());
 607         //}
 608         return aMyFeature->lastResult();
 609       }
 610     }
 611   }
 612   return ResultPtr();
 613 }
 614
 615 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 616                                           const ModuleBase_ViewerPrsPtr& thePrs)
 617 {
 618   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 619     if (aPrs->object() == thePrs->object())
 620       return true;
 621   }
 622   return false;
 623 }
 624
 625 ResultPtr PartSet_Tools::findExternalEdge(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Edge> theEdge)
 626 {
 627   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 628     FeaturePtr aFeature = theSketch->subFeature(i);
 629     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 630       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 631     if (aSketchFea) {
 632       if (aSketchFea->isExternal()) {
 633         std::list<ResultPtr> aResults = aSketchFea->results();
 634         std::list<ResultPtr>::const_iterator aIt;
 635         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 636           ResultConstructionPtr aRes =
 637             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 638           if (aRes) {
 639             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 640             if (aShape) {
 641               if (theEdge->isEqual(aShape))
 642                 return aRes;
 643             }
 644           }
 645         }
 646       }
 647     }
 648   }
 649   return ResultPtr();
 650 }
 651
 652
 653 ResultPtr PartSet_Tools::findExternalVertex(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Vertex> theVert)
 654 {
 655   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 656     FeaturePtr aFeature = theSketch->subFeature(i);
 657     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 658       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 659     if (aSketchFea) {
 660       if (aSketchFea->isExternal()) {
 661         std::list<ResultPtr> aResults = aSketchFea->results();
 662         std::list<ResultPtr>::const_iterator aIt;
 663         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 664           ResultConstructionPtr aRes =
 665             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 666           if (aRes) {
 667             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 668             if (aShape) {
 669               if (theVert->isEqual(aShape))
 670                 return aRes;
 671             }
 672           }
 673         }
 674       }
 675     }
 676   }
 677   return ResultPtr();
 678 }
 679
 680
 681 bool PartSet_Tools::hasVertexShape(const ModuleBase_ViewerPrsPtr& thePrs, FeaturePtr theSketch,
 682                                    Handle_V3d_View theView, double& theX, double& theY)
 683 {
 684   bool aHasVertex = false;
 685
 686   const GeomShapePtr& aShape = thePrs->shape();
 687   if (aShape.get() && !aShape->isNull() && aShape->shapeType() == GeomAPI_Shape::VERTEX)
 688   {
 689     const TopoDS_Shape& aTDShape = aShape->impl<TopoDS_Shape>();
 690     const TopoDS_Vertex& aVertex = TopoDS::Vertex(aTDShape);
 691     if (!aVertex.IsNull())
 692     {
 693       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 694       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, theX, theY);
 695       aHasVertex = true;
 696     }
 697   }
 698
 699   return aHasVertex;
 700 }
 701
 702 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 703                                                        ModuleBase_IWorkshop* theWorkshop)
 704 {
 705   GeomShapePtr aShape;
 706   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 707   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 708
 709   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 710   // the same, return it
 711   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 712   // 2.1 get visualized results of the feature
 713   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 714   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 715   for (; anIt != aLast; anIt++) {
 716     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 717     if (aAISObj.get() != NULL) {
 718       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 719       // 2.2 find selected owners of a visualizedd object
 720       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 721       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 722       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 723         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 724         if (!anOwner.IsNull()) {
 725           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 726           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 727             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 728             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 729               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 730               // attribute, returns the shape
 731               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 732               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 733               AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 734                                                         aBRepShape, aSketchMgr->activeSketch());
 735               if (aPntAttr.get() != NULL && aPntAttr == theAttribute) {
 736                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 737                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 738                 break;
 739               }
 740             }
 741           }
 742         }
 743       }
 744     }
 745   }
 746   return aShape;
 747 }
 748
 749 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(std::shared_ptr<ModelAPI_Feature>& theFeature,
 750                                                        const std::string& theAttribute)
 751 {
 752   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
 753
 754   if (!theFeature->data())
 755     return std::shared_ptr<GeomAPI_Pnt2d>();
 756
 757   FeaturePtr aFeature;
 758   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 759       ModelAPI_AttributeRefAttr>(theFeature->data()->attribute(theAttribute));
 760   if (!anAttr)
 761     return std::shared_ptr<GeomAPI_Pnt2d>();
 762
 763   aFeature = ModelAPI_Feature::feature(anAttr->object());
 764
 765   if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
 766     aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 767         aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
 768
 769   else if (anAttr->attr()) {
 770     aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
 771   }
 772   if (aPointAttr.get() != NULL)
 773     return aPointAttr->pnt();
 774   return std::shared_ptr<GeomAPI_Pnt2d>();
 775 }
 776
 777 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData, std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 778 {
 779   FeaturePtr aCoincident;
 780
 781   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 782   std::set<AttributePtr>::const_iterator aIt;
 783   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 784     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 785     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 786     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 787       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 788         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 789       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 790         aCoincident = aConstrFeature;
 791         break;
 792       } else {
 793         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 794                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 795         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 796           aCoincident = aConstrFeature;
 797           break;
 798         }
 799       }
 800     }
 801   }
 802   return aCoincident;
 803 }
 804
 805 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 806                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 807 {
 808   FeaturePtr aCoincident;
 809   if (theFeature.get() == NULL)
 810     return aCoincident;
 811
 812   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 813   std::set<AttributePtr>::const_iterator aIt;
 814   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 815     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 816     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 817     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 818       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 819         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 820       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 821         aCoincident = aConstrFeature;
 822         break;
 823       } else {
 824         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 825                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 826         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 827           aCoincident = aConstrFeature;
 828           break;
 829         }
 830       }
 831     }
 832   }
 833   /// Find by result
 834   if (!aCoincident.get()) {
 835     std::list<ResultPtr> aResults = theFeature->results();
 836     std::list<ResultPtr>::const_iterator aIt;
 837     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 838       ResultPtr aResult = *aIt;
 839       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 840       if (aCoincident.get())
 841         break;
 842     }
 843   }
 844   return aCoincident;
 845 }
 846
 847 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 848                                      QList<FeaturePtr>& theCoincidencies,
 849                                      std::string theAttr)
 850 {
 851   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 852   if (aOrig.get() == NULL)
 853     return;
 854
 855   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 856   if (!aPnt)
 857     return;
 858   ObjectPtr aObj = aPnt->object();
 859   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 860   if (aFeature.get()) {
 861     if (!theList.contains(aFeature)) {
 862       theList.append(aFeature);
 863       theCoincidencies.append(theStartCoin);
 864       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 865       std::set<AttributePtr>::const_iterator aIt;
 866       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 867         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 868         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 869         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 870           if (!theCoincidencies.contains(aConstrFeature)) {
 871             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 872             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 873               findCoincidences(aConstrFeature, theList, theCoincidencies,
 874                 SketchPlugin_ConstraintCoincidence::ENTITY_A());
 875               findCoincidences(aConstrFeature, theList, theCoincidencies,
 876                 SketchPlugin_ConstraintCoincidence::ENTITY_B());
 877             }
 878           }
 879         }
 880       }
 881     }
 882   } else {
 883     // Find by Results
 884     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 885     if (aResult.get()) {
 886       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 887       if (!theList.contains(aFeature))
 888         theList.append(aFeature);
 889       theCoincidencies.append(theStartCoin);
 890
 891       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 892       std::set<AttributePtr>::const_iterator aIt;
 893       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 894         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 895         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 896         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 897           if (!theCoincidencies.contains(aConstrFeature)) {
 898             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 899             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 900               findCoincidences(aConstrFeature, theList, theCoincidencies,
 901                 SketchPlugin_ConstraintCoincidence::ENTITY_A());
 902               findCoincidences(aConstrFeature, theList, theCoincidencies,
 903                 SketchPlugin_ConstraintCoincidence::ENTITY_B());
 904             }
 905           }
 906         }
 907       }
 908     }
 909   }
 910 }
 911
 912 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 913 {
 914   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 915                                                                     SketchPlugin_Constraint::ENTITY_A());
 916   if (aPnt.get() == NULL)
 917     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 918   return aPnt;
 919 }
 920
 921 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 922                                                    const TopoDS_Shape theShape,
 923                                                    FeaturePtr theSketch)
 924 {
 925
 926   AttributePtr anAttribute;
 927   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 928   if (aFeature) {
 929     if (theShape.ShapeType() == TopAbs_VERTEX) {
 930       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 931       if (!aVertex.IsNull())  {
 932         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 933         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 934             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 935
 936         // find the given point in the feature attributes
 937         std::list<AttributePtr> anAttiributes =
 938           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 939         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 940                                                 aLast = anAttiributes.end();
 941         for (; anIt != aLast && !anAttribute; anIt++) {
 942           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 943             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 944
 945           std::shared_ptr<GeomAPI_Pnt> aPnt = convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 946           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 947             anAttribute = aCurPoint;
 948             break;
 949           }
 950         }
 951       }
 952     }
 953   }
 954   return anAttribute;
 955 }
 956
 957 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 958                                          const Events_ID theEventId)
 959 {
 960   if (!theComposite.get())
 961     return;
 962
 963   static Events_Loop* aLoop = Events_Loop::loop();
 964   for (int i = 0; i < theComposite->numberOfSubs(); i++) {
 965     FeaturePtr aSubFeature = theComposite->subFeature(i);
 966     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 967     aECreator->sendUpdated(aSubFeature, theEventId);
 968   }
 969   Events_Loop::loop()->flush(theEventId);
 970 }
 971
 972 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 973 {
 974   bool isAuxiliaryFeature = false;
 975
 976   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 977   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 978   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 979                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 980   if (anAuxiliaryAttr.get())
 981     isAuxiliaryFeature = anAuxiliaryAttr->value();
 982
 983
 984   return isAuxiliaryFeature;
 985 }