src/PartSet/PartSet_Tools.cpp

   1 // File:        PartSet_Tools.h
   2 // Created:     28 Apr 2014
   3 // Author:      Natalia ERMOLAEVA
   4
   5 #include <PartSet_Tools.h>
   6
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_AttributeDouble.h>
   9 #include <ModelAPI_AttributeRefList.h>
  10 #include <ModelAPI_Document.h>
  11 #include <ModelAPI_Session.h>
  12 #include <ModelAPI_ResultConstruction.h>
  13
  14 #include <GeomDataAPI_Point.h>
  15 #include <GeomDataAPI_Dir.h>
  16 #include <GeomDataAPI_Point2D.h>
  17 #include <GeomAPI_Pln.h>
  18 #include <GeomAPI_Pnt2d.h>
  19 #include <GeomAPI_Pnt.h>
  20 #include <GeomAPI_Edge.h>
  21
  22 #include <GeomAPI_Dir.h>
  23 #include <GeomAPI_XYZ.h>
  24
  25 #include <SketchPlugin_Feature.h>
  26 #include <SketchPlugin_Sketch.h>
  27 #include <SketchPlugin_ConstraintCoincidence.h>
  28 #include <SketchPlugin_ConstraintDistance.h>
  29 #include <SketchPlugin_ConstraintLength.h>
  30 #include <SketchPlugin_ConstraintRadius.h>
  31 #include <SketchPlugin_ConstraintRigid.h>
  32 #include <SketchPlugin_Constraint.h>
  33 #include <SketchPlugin_Circle.h>
  34 #include <SketchPlugin_Arc.h>
  35 #include <SketchPlugin_Line.h>
  36
  37 #include <ModuleBase_ViewerPrs.h>
  38
  39 #include <V3d_View.hxx>
  40 #include <gp_Pln.hxx>
  41 #include <gp_Circ.hxx>
  42 #include <ProjLib.hxx>
  43 #include <ElSLib.hxx>
  44 #include <Geom_Line.hxx>
  45 #include <GeomAPI_ProjectPointOnCurve.hxx>
  46 #include <BRep_Tool.hxx>
  47 #include <TopoDS.hxx>
  48 #include <TopoDS_Edge.hxx>
  49 #include <TopoDS_Vertex.hxx>
  50
  51 #ifdef _DEBUG
  52 #include <QDebug>
  53 #endif
  54
  55 const double PRECISION_TOLERANCE = 0.000001;
  56
  57 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
  58 {
  59   if (theView.IsNull())
  60     return gp_Pnt();
  61
  62   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
  63   theView->Eye(XEye, YEye, ZEye);
  64
  65   theView->At(XAt, YAt, ZAt);
  66   gp_Pnt EyePoint(XEye, YEye, ZEye);
  67   gp_Pnt AtPoint(XAt, YAt, ZAt);
  68
  69   gp_Vec EyeVector(EyePoint, AtPoint);
  70   gp_Dir EyeDir(EyeVector);
  71
  72   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
  73   Standard_Real X, Y, Z;
  74   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
  75   gp_Pnt ConvertedPoint(X, Y, Z);
  76
  77   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
  78   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
  79                                      PlaneOfTheView);
  80   return ResultPoint;
  81 }
  82
  83 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
  84 Handle(V3d_View) theView,
  85                                 double& theX, double& theY)
  86 {
  87   if (!theSketch)
  88     return;
  89
  90   AttributeDoublePtr anAttr;
  91   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
  92
  93   boost::shared_ptr<GeomDataAPI_Point> anOrigin = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
  94       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
  95
  96   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  97       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
  98   boost::shared_ptr<GeomDataAPI_Dir> anY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  99       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
 100
 101   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 102   gp_Vec aVec(anOriginPnt, thePoint);
 103
 104   if (!theView.IsNull()) {
 105     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 106     theView->Eye(XEye, YEye, ZEye);
 107
 108     theView->At(XAt, YAt, ZAt);
 109     gp_Pnt EyePoint(XEye, YEye, ZEye);
 110     gp_Pnt AtPoint(XAt, YAt, ZAt);
 111
 112     gp_Vec anEyeVec(EyePoint, AtPoint);
 113     anEyeVec.Normalize();
 114
 115     boost::shared_ptr<GeomDataAPI_Dir> aNormal = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 116         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 117     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 118
 119     double aDen = anEyeVec * aNormalVec;
 120     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 121
 122     gp_Vec aDeltaVec = anEyeVec * aLVec;
 123     aVec = aVec - aDeltaVec;
 124   }
 125   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 126   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 127 }
 128
 129 void PartSet_Tools::convertTo3D(const double theX, const double theY, FeaturePtr theSketch,
 130                                 gp_Pnt& thePoint)
 131 {
 132   if (!theSketch)
 133     return;
 134
 135   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 136
 137   boost::shared_ptr<GeomDataAPI_Point> aC = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 138       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 139   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 140       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 141   boost::shared_ptr<GeomDataAPI_Dir> aY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 142       aData->attribute(SketchPlugin_Sketch::DIRY_ID()));
 143
 144   boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(aX->dir()->xyz()->multiplied(theX))
 145       ->added(aY->dir()->xyz()->multiplied(theY));
 146
 147   boost::shared_ptr<GeomAPI_Pnt> aPoint = boost::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
 148   thePoint = gp_Pnt(aPoint->x(), aPoint->y(), aPoint->z());
 149 }
 150
 151 ObjectPtr PartSet_Tools::nearestFeature(QPoint thePoint, Handle_V3d_View theView,
 152                                         FeaturePtr theSketch,
 153                                         const QList<ModuleBase_ViewerPrs>& theSelected,
 154                                         const QList<ModuleBase_ViewerPrs>& theHighlighted)
 155 {
 156   ObjectPtr aDeltaObject;
 157   // 1. find the object in the highlighted list
 158   if (theHighlighted.size() > 0) {
 159     aDeltaObject = theHighlighted.first().object();
 160   }
 161   // 2. find it in the selected list by the selected point
 162   if (!aDeltaObject) {
 163     double aX, anY;
 164     gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(thePoint, theView);
 165     PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, anY);
 166
 167     FeaturePtr aFeature;
 168     double aMinDelta = -1;
 169     ModuleBase_ViewerPrs aPrs;
 170     foreach (ModuleBase_ViewerPrs aPrs, theSelected) {
 171       if (!aPrs.object())
 172         continue;
 173       FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs.object());
 174       boost::shared_ptr<SketchPlugin_Feature> aSketchFeature = boost::dynamic_pointer_cast<
 175           SketchPlugin_Feature>(aFeature);
 176       if (!aSketchFeature)
 177         continue;
 178
 179       double aDelta = aSketchFeature->distanceToPoint(
 180           boost::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY)));
 181       if (aMinDelta < 0 || aMinDelta > aDelta) {
 182         aMinDelta = aDelta;
 183         // TODO aDeltaObject = aPrs.result();
 184       }
 185     }
 186   }
 187   // 3. if the object is not found, returns the first selected one
 188   if (!aDeltaObject && theSelected.size() > 0)
 189     aDeltaObject = theSelected.first().object();
 190
 191   return aDeltaObject;
 192 }
 193
 194 boost::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 195 {
 196   return ModelAPI_Session::get()->moduleDocument();
 197 }
 198
 199 boost::shared_ptr<GeomDataAPI_Point2D> PartSet_Tools::getFeaturePoint(FeaturePtr theFeature,
 200                                                                       double theX, double theY)
 201 {
 202   boost::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = boost::shared_ptr<GeomAPI_Pnt2d>(
 203                                                                  new GeomAPI_Pnt2d(theX, theY));
 204   std::list<boost::shared_ptr<ModelAPI_Attribute> > anAttiributes =
 205                                     theFeature->data()->attributes(GeomDataAPI_Point2D::type());
 206   std::list<boost::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 207                                                                     aLast = anAttiributes.end();
 208   boost::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 209   for (; anIt != aLast && !aFPoint; anIt++) {
 210     boost::shared_ptr<GeomDataAPI_Point2D> aCurPoint = boost::dynamic_pointer_cast<
 211         GeomDataAPI_Point2D>(*anIt);
 212     if (aCurPoint && aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())
 213       aFPoint = aCurPoint;
 214   }
 215
 216   return aFPoint;
 217 }
 218
 219 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 220                                     const std::string& theAttribute)
 221 {
 222   if (!theFeature)
 223     return;
 224   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 225   AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 226       aData->attribute(theAttribute));
 227   if (anAttribute)
 228     anAttribute->setValue(theValue);
 229 }
 230
 231 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 232                                    bool& isValid)
 233 {
 234   isValid = false;
 235   double aValue = 0;
 236   if (theFeature) {
 237     boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 238     AttributeDoublePtr anAttribute = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 239         aData->attribute(theAttribute));
 240     if (anAttribute) {
 241       aValue = anAttribute->value();
 242       isValid = true;
 243     }
 244   }
 245   return aValue;
 246 }
 247
 248 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 249                                   const std::string& theKind)
 250 {
 251   FeaturePtr aFeature;
 252   if (!theFeature)
 253     return aFeature;
 254
 255   boost::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 256   boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
 257       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 258   if (anAttr) {
 259     aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 260     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 261       aFeature = FeaturePtr();
 262     }
 263   }
 264   return aFeature;
 265 }
 266
 267 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 268                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 269                                      boost::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 270 {
 271   FeaturePtr aFeature;
 272   if (theSketch) {
 273     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 274   } else {
 275     boost::shared_ptr<ModelAPI_Document> aDoc = document();
 276     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 277   }
 278
 279   boost::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 280
 281   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = boost::dynamic_pointer_cast<
 282       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 283   aRef1->setAttr(thePoint1);
 284
 285   boost::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = boost::dynamic_pointer_cast<
 286       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 287   aRef2->setAttr(thePoint2);
 288
 289   if (aFeature)  // TODO: generate an error if feature was not created
 290     aFeature->execute();
 291 }
 292
 293 void PartSet_Tools::setConstraints(CompositeFeaturePtr theSketch, FeaturePtr theFeature,
 294                                    const std::string& theAttribute, double theClickedX,
 295                                    double theClickedY)
 296 {
 297   // find a feature point by the selection mode
 298   //boost::shared_ptr<GeomDataAPI_Point2D> aPoint = featurePoint(theMode);
 299   boost::shared_ptr<GeomDataAPI_Point2D> aFeaturePoint = boost::dynamic_pointer_cast<
 300       GeomDataAPI_Point2D>(theFeature->data()->attribute(theAttribute));
 301   if (!aFeaturePoint)
 302     return;
 303
 304   // get all sketch features. If the point with the given coordinates belong to any sketch feature,
 305   // the constraint is created between the feature point and the found sketch point
 306   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 307   boost::shared_ptr<ModelAPI_AttributeRefList> aRefList = boost::dynamic_pointer_cast<
 308       ModelAPI_AttributeRefList>(aData->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 309
 310   std::list<ObjectPtr> aFeatures = aRefList->list();
 311   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
 312   std::list<boost::shared_ptr<ModelAPI_Attribute> > anAttiributes;
 313   boost::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = boost::shared_ptr<GeomAPI_Pnt2d>(
 314       new GeomAPI_Pnt2d(theClickedX, theClickedY));
 315   for (; anIt != aLast; anIt++) {
 316     FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 317     // find the given point in the feature attributes
 318     anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 319     std::list<boost::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 320         aLast = anAttiributes.end();
 321     boost::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 322     for (; anIt != aLast && !aFPoint; anIt++) {
 323       boost::shared_ptr<GeomDataAPI_Point2D> aCurPoint = boost::dynamic_pointer_cast<
 324           GeomDataAPI_Point2D>(*anIt);
 325       if (aCurPoint && aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())
 326         aFPoint = aCurPoint;
 327     }
 328     if (aFPoint)
 329       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 330   }
 331 }
 332
 333 boost::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 334 {
 335   boost::shared_ptr<GeomAPI_Pln> aPlane;
 336   double aA, aB, aC, aD;
 337
 338   boost::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 339   boost::shared_ptr<GeomDataAPI_Point> anOrigin = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 340       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 341   boost::shared_ptr<GeomDataAPI_Dir> aNormal = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 342       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 343   aA = aNormal->x();
 344   aB = aNormal->y();
 345   aC = aNormal->z();
 346   aD = 0;
 347
 348   aPlane = boost::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 349   return aPlane;
 350 }
 351
 352 boost::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(boost::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 353                                                       CompositeFeaturePtr theSketch)
 354 {
 355   boost::shared_ptr<GeomAPI_Pnt> aPoint;
 356   if (!theSketch || !thePoint2D)
 357     return aPoint;
 358
 359   boost::shared_ptr<GeomDataAPI_Point> aC = boost::dynamic_pointer_cast<GeomDataAPI_Point>(
 360       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 361   boost::shared_ptr<GeomDataAPI_Dir> aX = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 362       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 363   boost::shared_ptr<GeomDataAPI_Dir> aY = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
 364       theSketch->data()->attribute(SketchPlugin_Sketch::DIRY_ID()));
 365
 366   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 367 }
 368
 369 bool PartSet_Tools::isConstraintFeature(const std::string& theKind)
 370 {
 371   return theKind == SketchPlugin_ConstraintDistance::ID()
 372       || theKind == SketchPlugin_ConstraintLength::ID()
 373       || theKind == SketchPlugin_ConstraintRadius::ID()
 374       || theKind == SketchPlugin_ConstraintRigid::ID();
 375 }
 376
 377 ResultPtr PartSet_Tools::createFixedObjectByEdge(const ModuleBase_ViewerPrs& thePrs, CompositeFeaturePtr theSketch)
 378 {
 379   TopoDS_Shape aShape = thePrs.shape();
 380   if (aShape.ShapeType() != TopAbs_EDGE)
 381     return ResultPtr();
 382
 383   // Check that we already have such external edge
 384   boost::shared_ptr<GeomAPI_Edge> aInEdge = boost::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge());
 385   aInEdge->setImpl(new TopoDS_Shape(aShape));
 386   ResultPtr aResult = findExternalEdge(theSketch, aInEdge);
 387   if (aResult)
 388     return aResult;
 389
 390   // If not found then we have to create new
 391   Standard_Real aStart, aEnd;
 392   Handle(V3d_View) aNullView;
 393   FeaturePtr aMyFeature;
 394
 395   Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(aShape), aStart, aEnd);
 396   GeomAdaptor_Curve aAdaptor(aCurve);
 397   if (aAdaptor.GetType() == GeomAbs_Line) {
 398     // Create line
 399     aMyFeature = theSketch->addFeature(SketchPlugin_Line::ID());
 400
 401     //DataPtr aData = myFeature->data();
 402     //boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
 403     //  boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 404
 405     //double aX, aY;
 406     //gp_Pnt Pnt1 = aAdaptor.Value(aStart);
 407     //convertTo2D(Pnt1, theSketch, aNullView, aX, aY);
 408     //setFeaturePoint(myFeature, aX, aY, SketchPlugin_Line::START_ID());
 409
 410     //gp_Pnt Pnt2 = aAdaptor.Value(aEnd);
 411     //convertTo2D(Pnt2, theSketch, aNullView, aX, aY);
 412     //setFeaturePoint(myFeature, aX, aY, SketchPlugin_Line::END_ID());
 413   } else if (aAdaptor.GetType() == GeomAbs_Circle) {
 414     if (aAdaptor.IsClosed()) {
 415       // Create circle
 416       aMyFeature = theSketch->addFeature(SketchPlugin_Circle::ID());
 417       //gp_Circ aCirc = aAdaptor.Circle();
 418       //gp_Pnt aCenter = aCirc.Location();
 419
 420       //double aX, aY;
 421       //convertTo2D(aCenter, theSketch, aNullView, aX, aY);
 422       //setFeaturePoint(myFeature, aX, aY, SketchPlugin_Circle::CENTER_ID());
 423       //setFeatureValue(myFeature, aCirc.Radius(), SketchPlugin_Circle::RADIUS_ID());
 424     } else {
 425       // Create arc
 426       aMyFeature = theSketch->addFeature(SketchPlugin_Arc::ID());
 427     }
 428   }
 429   if (aMyFeature) {
 430     DataPtr aData = aMyFeature->data();
 431     AttributeSelectionPtr anAttr =
 432       boost::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 433       (aData->attribute(SketchPlugin_Feature::EXTERNAL_ID()));
 434
 435     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(thePrs.object());
 436     if (anAttr && aRes) {
 437       boost::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
 438       anEdge->setImpl(new TopoDS_Shape(aShape));
 439
 440       anAttr->setValue(aRes, anEdge);
 441
 442       aMyFeature->execute();
 443
 444       // fix this edge
 445       FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 446       aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 447         setObject(aMyFeature->lastResult());
 448
 449       return aMyFeature->lastResult();
 450     }
 451   }
 452   return ResultPtr();
 453 }
 454
 455 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrs>& theSelected,
 456                                           const ModuleBase_ViewerPrs& thePrs)
 457 {
 458   foreach (ModuleBase_ViewerPrs aPrs, theSelected) {
 459     if (aPrs.object() == thePrs.object())
 460       return true;
 461   }
 462   return false;
 463 }
 464
 465 ResultPtr PartSet_Tools::findExternalEdge(CompositeFeaturePtr theSketch, boost::shared_ptr<GeomAPI_Edge> theEdge)
 466 {
 467   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 468     FeaturePtr aFeature = theSketch->subFeature(i);
 469     boost::shared_ptr<SketchPlugin_Feature> aSketchFea =
 470       boost::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 471     if (aSketchFea) {
 472       if (aSketchFea->isExternal()) {
 473         std::list<ResultPtr> aResults = aSketchFea->results();
 474         std::list<ResultPtr>::const_iterator aIt;
 475         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 476           ResultConstructionPtr aRes =
 477             boost::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 478           if (aRes) {
 479             boost::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 480             if (aShape) {
 481               if (theEdge->isEqual(aShape))
 482                 return aRes;
 483             }
 484           }
 485         }
 486       }
 487     }
 488   }
 489   return ResultPtr();
 490 }
 491
 492 bool PartSet_Tools::hasVertexShape(const ModuleBase_ViewerPrs& thePrs, FeaturePtr theSketch,
 493                                    Handle_V3d_View theView, double& theX, double& theY)
 494 {
 495   bool aHasVertex = false;
 496
 497   const TopoDS_Shape& aShape = thePrs.shape();
 498   if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX)
 499   {
 500     const TopoDS_Vertex& aVertex = TopoDS::Vertex(aShape);
 501     if (!aVertex.IsNull())
 502     {
 503       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 504       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, theX, theY);
 505       aHasVertex = true;
 506     }
 507   }
 508
 509   return aHasVertex;
 510 }