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