src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        PartSet_Tools.h
   4 // Created:     28 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include <PartSet_Tools.h>
   8
   9 #include <ModelAPI_Data.h>
  10 #include <ModelAPI_AttributeDouble.h>
  11 #include <ModelAPI_AttributeRefList.h>
  12 #include <ModelAPI_Document.h>
  13 #include <ModelAPI_Session.h>
  14 #include <ModelAPI_ResultConstruction.h>
  15
  16 #include <GeomDataAPI_Point.h>
  17 #include <GeomDataAPI_Dir.h>
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <GeomAPI_Pln.h>
  20 #include <GeomAPI_Pnt2d.h>
  21 #include <GeomAPI_Pnt.h>
  22 #include <GeomAPI_Edge.h>
  23 #include <GeomAPI_Vertex.h>
  24
  25 #include <GeomAPI_Dir.h>
  26 #include <GeomAPI_XYZ.h>
  27
  28 #include <SketchPlugin_Feature.h>
  29 #include <SketchPlugin_Sketch.h>
  30 #include <SketchPlugin_ConstraintCoincidence.h>
  31 #include <SketchPlugin_ConstraintDistance.h>
  32 #include <SketchPlugin_ConstraintLength.h>
  33 #include <SketchPlugin_ConstraintRadius.h>
  34 #include <SketchPlugin_ConstraintRigid.h>
  35 #include <SketchPlugin_Constraint.h>
  36 #include <SketchPlugin_Circle.h>
  37 #include <SketchPlugin_Arc.h>
  38 #include <SketchPlugin_Line.h>
  39 #include <SketchPlugin_Point.h>
  40
  41 #include <ModuleBase_ViewerPrs.h>
  42
  43 #include <V3d_View.hxx>
  44 #include <gp_Pln.hxx>
  45 #include <gp_Circ.hxx>
  46 #include <ProjLib.hxx>
  47 #include <ElSLib.hxx>
  48 #include <Geom_Line.hxx>
  49 #include <GeomAPI_ProjectPointOnCurve.hxx>
  50 #include <BRep_Tool.hxx>
  51 #include <TopoDS.hxx>
  52 #include <TopoDS_Edge.hxx>
  53 #include <TopoDS_Vertex.hxx>
  54
  55 #ifdef _DEBUG
  56 #include <QDebug>
  57 #endif
  58
  59 const double PRECISION_TOLERANCE = 0.000001;
  60
  61 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  62 {
  63   if (theView.IsNull())
  64     return gp_Pnt();
  65
  66   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  67   theView->Eye(XEye, YEye, ZEye);
  68
  69   theView->At(XAt, YAt, ZAt);
  70   gp_Pnt EyePoint(XEye, YEye, ZEye);
  71   gp_Pnt AtPoint(XAt, YAt, ZAt);
  72
  73   gp_Vec EyeVector(EyePoint, AtPoint);
  74   gp_Dir EyeDir(EyeVector);
  75
  76   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
  77   Standard_Real X, Y, Z;
  78   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
  79   gp_Pnt ConvertedPoint(X, Y, Z);
  80
  81   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
  82   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
  83                                      PlaneOfTheView);
  84   return ResultPoint;
  85 }
  86
  87 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  88 Handle(V3d_View) theView,
  89                                 double& theX, double& theY)
  90 {
  91   if (!theSketch)
  92     return;
  93
  94   AttributeDoublePtr anAttr;
  95   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  96
  97   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
  98       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
  99
 100   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 101       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 102   std::shared_ptr<GeomDataAPI_Dir> anY = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 103       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
 104
 105   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 106   gp_Vec aVec(anOriginPnt, thePoint);
 107
 108   if (!theView.IsNull()) {
 109     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 110     theView->Eye(XEye, YEye, ZEye);
 111
 112     theView->At(XAt, YAt, ZAt);
 113     gp_Pnt EyePoint(XEye, YEye, ZEye);
 114     gp_Pnt AtPoint(XAt, YAt, ZAt);
 115
 116     gp_Vec anEyeVec(EyePoint, AtPoint);
 117     anEyeVec.Normalize();
 118
 119     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 120         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 121     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 122
 123     double aDen = anEyeVec * aNormalVec;
 124     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 125
 126     gp_Vec aDeltaVec = anEyeVec * aLVec;
 127     aVec = aVec - aDeltaVec;
 128   }
 129   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 130   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 131 }
 132
 133 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY, FeaturePtr theSketch)
 134 {
 135   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 136
 137   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 138       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 139   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 140       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 141   std::shared_ptr<GeomDataAPI_Dir> aY = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 142       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
 143
 144   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 145     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 146
 147   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY->dir());
 148 }
 149
 150 ObjectPtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 151                                         FeaturePtr theSketch,
 152                                         const QList<ModuleBase_ViewerPrs>& theSelected,
 153                                         const QList<ModuleBase_ViewerPrs>& theHighlighted)
 154 {
 155   // firstly it finds the feature in the list of highlight
 156   ObjectPtr aDeltaObject  = nearestFeature(thePoint, theView, theSketch, theHighlighted);
 157   if (!aDeltaObject)
 158     // secondly it finds the feature in the list of selected objects
 159     aDeltaObject  = nearestFeature(thePoint, theView, theSketch, theSelected);
 160
 161   return aDeltaObject;
 162 }
 163
 164 ObjectPtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 165                                         FeaturePtr theSketch,
 166                                         const QList<ModuleBase_ViewerPrs>& thePresentations)
 167 {
 168   ObjectPtr aDeltaObject;
 169
 170   CompositeFeaturePtr aSketch =
 171       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theSketch);
 172   // 1. find it in the selected list by the selected point
 173   if (!aDeltaObject) {
 174     double aX, anY;
 175     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(thePoint, theView);
 176     PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, anY);
 177
 178     FeaturePtr aFeature;
 179     double aMinDelta = -1;
 180     ModuleBase_ViewerPrs aPrs;
 181     foreach (ModuleBase_ViewerPrs aPrs, thePresentations) {
 182       if (!aPrs.object())
 183         continue;
 184       FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs.object());
 185       std::shared_ptr<SketchPlugin_Feature> aSketchFeature = std::dynamic_pointer_cast<
 186           SketchPlugin_Feature>(aFeature);
 187       if (!aSketchFeature || !aSketch->isSub(aSketchFeature))
 188         continue;
 189
 190       double aDelta = aSketchFeature->distanceToPoint(
 191           std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 192       if (aMinDelta < 0 || aMinDelta > aDelta) {
 193         aMinDelta = aDelta;
 194         // TODO aDeltaObject = aPrs.result();
 195       }
 196     }
 197   }
 198   // 2. if the object is not found, returns the first selected sketch feature
 199   if (!aDeltaObject && thePresentations.size() > 0) {
 200     // there can be some highlighted objects, e.g. a result of boolean operation and a sketch point
 201     foreach (ModuleBase_ViewerPrs aPrs, thePresentations) {
 202       if (!aPrs.object())
 203         continue;
 204       FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs.object());
 205       if (aFeature && aSketch->isSub(aFeature))
 206         aDeltaObject = aPrs.object();
 207     }
 208   }
 209   return aDeltaObject;
 210 }
 211
 212 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 213 {
 214   return ModelAPI_Session::get()->moduleDocument();
 215 }
 216
 217 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::getFeaturePoint(FeaturePtr theFeature,
 218                                                                       double theX, double theY)
 219 {
 220   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 221                                                                  new GeomAPI_Pnt2d(theX, theY));
 222   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 223                                     theFeature->data()->attributes(GeomDataAPI_Point2D::type());
 224   std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 225                                                                     aLast = anAttiributes.end();
 226   std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 227   for (; anIt != aLast && !aFPoint; anIt++) {
 228     std::shared_ptr<GeomDataAPI_Point2D> aCurPoint = std::dynamic_pointer_cast<
 229         GeomDataAPI_Point2D>(*anIt);
 230     if (aCurPoint && aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())
 231       aFPoint = aCurPoint;
 232   }
 233
 234   return aFPoint;
 235 }
 236
 237 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 238                                     const std::string& theAttribute)
 239 {
 240   if (!theFeature)
 241     return;
 242   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 243   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 244       aData->attribute(theAttribute));
 245   if (anAttribute)
 246     anAttribute->setValue(theValue);
 247 }
 248
 249 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 250                                    bool& isValid)
 251 {
 252   isValid = false;
 253   double aValue = 0;
 254   if (theFeature) {
 255     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 256     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 257         aData->attribute(theAttribute));
 258     if (anAttribute) {
 259       aValue = anAttribute->value();
 260       isValid = true;
 261     }
 262   }
 263   return aValue;
 264 }
 265
 266 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 267                                   const std::string& theKind)
 268 {
 269   FeaturePtr aFeature;
 270   if (!theFeature)
 271     return aFeature;
 272
 273   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 274   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 275       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 276   if (anAttr) {
 277     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 278     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 279       aFeature = FeaturePtr();
 280     }
 281   }
 282   return aFeature;
 283 }
 284
 285 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 286                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 287                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 288 {
 289   FeaturePtr aFeature;
 290   if (theSketch) {
 291     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 292   } else {
 293     std::shared_ptr<ModelAPI_Document> aDoc = document();
 294     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 295   }
 296
 297   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 298
 299   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 300       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 301   aRef1->setAttr(thePoint1);
 302
 303   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 304       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 305   aRef2->setAttr(thePoint2);
 306
 307   if (aFeature)  // TODO: generate an error if feature was not created
 308     aFeature->execute();
 309 }
 310
 311 std::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::
 312   findAttributePoint(CompositeFeaturePtr theSketch, double theX, double theY,
 313   double theTolerance, const QList<FeaturePtr>& theIgnore)
 314 {
 315   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 316       new GeomAPI_Pnt2d(theX, theY));
 317
 318   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 319   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 320     FeaturePtr aFeature = theSketch->subFeature(i);
 321     if (!theIgnore.contains(aFeature)) {
 322       anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 323
 324       std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt;
 325       for (anIt = anAttiributes.cbegin(); anIt != anAttiributes.cend(); ++anIt) {
 326         std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 327           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 328         double x = aCurPoint->x();
 329         double y = aCurPoint->y();
 330         if (aCurPoint && (aCurPoint->pnt()->distance(aClickedPoint) < theTolerance)) {
 331           return aCurPoint;
 332         }
 333       }
 334     }
 335   }
 336   return std::shared_ptr<GeomDataAPI_Point2D>();
 337 }
 338
 339
 340 void PartSet_Tools::setConstraints(CompositeFeaturePtr theSketch, FeaturePtr theFeature,
 341                                    const std::string& theAttribute, double theClickedX,
 342                                    double theClickedY)
 343 {
 344   // find a feature point by the selection mode
 345   //std::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 346   std::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = std::dynamic_pointer_cast<
 347       GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 348   if (!aFeaturePoint)
 349     return;
 350
 351   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 352   // the constraint is created between the feature point and the found sketch point
 353   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 354   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 355       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 356
 357   std::list<ObjectPtr> aFeatures = aRefList->list();
 358   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 359   std::list<std::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 360   std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = std::shared_ptr<GeomAPI_Pnt2d>(
 361       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 362   for (; anIt != aLast; anIt++) {
 363     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 364     // find the given point in the feature attributes
 365     anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 366     std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 367         aLast = anAttiributes.end();
 368     std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 369     for (; anIt != aLast && !aFPoint; anIt++) {
 370       std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 371         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 372       if (aCurPoint && (aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())) {
 373         aFPoint = aCurPoint;
 374         break;
 375       }
 376     }
 377     if (aFPoint)
 378       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 379   }
 380 }
 381
 382 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 383 {
 384   std::shared_ptr<GeomAPI_Pln> aPlane;
 385
 386   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 387   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 388       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 389   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 390       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 391   if (aNormal && anOrigin) {
 392     double adX = aNormal->x();
 393     double adY = aNormal->y();
 394     double adZ = aNormal->z();
 395
 396     if ( (adX != 0) || (adY != 0) || (adZ != 0) ) { // Plane is valid
 397       double aX = anOrigin->x();
 398       double aY = anOrigin->y();
 399       double aZ = anOrigin->z();
 400       gp_Pln aPln(gp_Pnt(aX, aY, aZ), gp_Dir(adX, adY, adZ));
 401       double aA, aB, aC, aD;
 402       aPln.Coefficients(aA, aB, aC, aD);
 403       aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 404     }
 405   }
 406   return aPlane;
 407 }
 408
 409 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 410                                                       CompositeFeaturePtr theSketch)
 411 {
 412   std::shared_ptr<GeomAPI_Pnt> aPoint;
 413   if (!theSketch || !thePoint2D)
 414     return aPoint;
 415
 416   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 417       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 418   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 419       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 420   std::shared_ptr<GeomDataAPI_Dir> aY = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 421       theSketch->data()->attribute(SketchPlugin_Sketch::DIRY_ID()));
 422
 423   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 424 }
 425
 426 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 427 {
 428   return theKind == SketchPlugin_ConstraintDistance::ID()
 429       || theKind == SketchPlugin_ConstraintLength::ID()
 430       || theKind == SketchPlugin_ConstraintRadius::ID()
 431       || theKind == SketchPlugin_ConstraintRigid::ID();
 432 }
 433
 434 ResultPtr PartSet_Tools::createFixedObjectByEdge(const TopoDS_Shape& theShape,
 435                                                  const ObjectPtr& theObject,
 436                                                  CompositeFeaturePtr theSketch)
 437 {
 438   if (theShape.ShapeType() == TopAbs_EDGE) {
 439     // Check that we already have such external edge
 440     std::shared_ptr<GeomAPI_Edge> aInEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge());
 441     aInEdge->setImpl(new TopoDS_Shape(theShape));
 442     ResultPtr aResult = findExternalEdge(theSketch, aInEdge);
 443     if (aResult)
 444       return aResult;
 445
 446     // If not found then we have to create new
 447     Standard_Real aStart, aEnd;
 448     Handle(V3d_View) aNullView;
 449     FeaturePtr aMyFeature;
 450
 451     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(theShape), aStart, aEnd);
 452     GeomAdaptor_Curve aAdaptor(aCurve);
 453     if (aAdaptor.GetType() == GeomAbs_Line) {
 454       // Create line
 455       aMyFeature = theSketch->addFeature(SketchPlugin_Line::ID());
 456     } else if (aAdaptor.GetType() == GeomAbs_Circle) {
 457       if (aAdaptor.IsClosed()) {
 458         // Create circle
 459         aMyFeature = theSketch->addFeature(SketchPlugin_Circle::ID());
 460       } else {
 461         // Create arc
 462         aMyFeature = theSketch->addFeature(SketchPlugin_Arc::ID());
 463       }
 464     }
 465     if (aMyFeature) {
 466       DataPtr aData = aMyFeature->data();
 467       AttributeSelectionPtr anAttr =
 468         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 469         (aData->attribute(SketchPlugin_Feature::EXTERNAL_ID()));
 470
 471       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 472       if (anAttr && aRes) {
 473         std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
 474         anEdge->setImpl(new TopoDS_Shape(theShape));
 475
 476         anAttr->setValue(aRes, anEdge);
 477
 478         aMyFeature->execute();
 479
 480         // fix this edge
 481         FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 482         aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 483           setObject(aMyFeature->lastResult());
 484
 485         return aMyFeature->lastResult();
 486       }
 487     }
 488   }
 489   if (theShape.ShapeType() == TopAbs_VERTEX) {
 490     std::shared_ptr<GeomAPI_Vertex> aInVert = std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex());
 491     aInVert->setImpl(new TopoDS_Shape(theShape));
 492     ResultPtr aResult = findExternalVertex(theSketch, aInVert);
 493     if (aResult)
 494       return aResult;
 495
 496     FeaturePtr aMyFeature = theSketch->addFeature(SketchPlugin_Point::ID());
 497
 498     if (aMyFeature) {
 499       DataPtr aData = aMyFeature->data();
 500       AttributeSelectionPtr anAttr =
 501         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 502         (aData->attribute(SketchPlugin_Feature::EXTERNAL_ID()));
 503
 504       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 505       if (anAttr && aRes) {
 506         std::shared_ptr<GeomAPI_Shape> aVert(new GeomAPI_Shape);
 507         aVert->setImpl(new TopoDS_Shape(theShape));
 508
 509         anAttr->setValue(aRes, aVert);
 510         aMyFeature->execute();
 511
 512         // fix this edge
 513         FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 514         aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 515           setObject(aMyFeature->lastResult());
 516
 517         return aMyFeature->lastResult();
 518       }
 519     }
 520   }
 521   return ResultPtr();
 522 }
 523
 524 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrs>& theSelected,
 525                                           const ModuleBase_ViewerPrs& thePrs)
 526 {
 527   foreach (ModuleBase_ViewerPrs aPrs, theSelected) {
 528     if (aPrs.object() == thePrs.object())
 529       return true;
 530   }
 531   return false;
 532 }
 533
 534 ResultPtr PartSet_Tools::findExternalEdge(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Edge> theEdge)
 535 {
 536   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 537     FeaturePtr aFeature = theSketch->subFeature(i);
 538     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 539       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 540     if (aSketchFea) {
 541       if (aSketchFea->isExternal()) {
 542         std::list<ResultPtr> aResults = aSketchFea->results();
 543         std::list<ResultPtr>::const_iterator aIt;
 544         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 545           ResultConstructionPtr aRes =
 546             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 547           if (aRes) {
 548             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 549             if (aShape) {
 550               if (theEdge->isEqual(aShape))
 551                 return aRes;
 552             }
 553           }
 554         }
 555       }
 556     }
 557   }
 558   return ResultPtr();
 559 }
 560
 561
 562 ResultPtr PartSet_Tools::findExternalVertex(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Vertex> theVert)
 563 {
 564   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 565     FeaturePtr aFeature = theSketch->subFeature(i);
 566     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 567       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 568     if (aSketchFea) {
 569       if (aSketchFea->isExternal()) {
 570         std::list<ResultPtr> aResults = aSketchFea->results();
 571         std::list<ResultPtr>::const_iterator aIt;
 572         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 573           ResultConstructionPtr aRes =
 574             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 575           if (aRes) {
 576             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 577             if (aShape) {
 578               if (theVert->isEqual(aShape))
 579                 return aRes;
 580             }
 581           }
 582         }
 583       }
 584     }
 585   }
 586   return ResultPtr();
 587 }
 588
 589
 590 bool PartSet_Tools::hasVertexShape(const ModuleBase_ViewerPrs& thePrs, FeaturePtr theSketch,
 591                                    Handle_V3d_View theView, double& theX, double& theY)
 592 {
 593   bool aHasVertex = false;
 594
 595   const TopoDS_Shape& aShape = thePrs.shape();
 596   if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX)
 597   {
 598     const TopoDS_Vertex& aVertex = TopoDS::Vertex(aShape);
 599     if (!aVertex.IsNull())
 600     {
 601       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 602       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, theX, theY);
 603       aHasVertex = true;
 604     }
 605   }
 606
 607   return aHasVertex;
 608 }
 609
 610 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 611                                                    const TopoDS_Shape theShape,
 612                                                    FeaturePtr theSketch)
 613 {
 614
 615   AttributePtr anAttribute;
 616   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 617   if (aFeature) {
 618     if (theShape.ShapeType() == TopAbs_VERTEX) {
 619       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 620       if (!aVertex.IsNull())  {
 621         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 622         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 623             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 624
 625         // find the given point in the feature attributes
 626         std::list<AttributePtr> anAttiributes =
 627           aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 628         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 629                                                 aLast = anAttiributes.end();
 630         for (; anIt != aLast && !anAttribute; anIt++) {
 631           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 632             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 633
 634           std::shared_ptr<GeomAPI_Pnt> aPnt = convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 635           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 636             anAttribute = aCurPoint;
 637             break;
 638           }
 639         }
 640       }
 641     }
 642   }
 643   return anAttribute;
 644 }