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     if (theFeature == aFeature)
 365       continue;
 366     // find the given point in the feature attributes
 367     anAttiributes = aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 368     std::list<std::shared_ptr<ModelAPI_Attribute> >::const_iterator anIt = anAttiributes.begin(),
 369         aLast = anAttiributes.end();
 370     std::shared_ptr<GeomDataAPI_Point2D> aFPoint;
 371     for (; anIt != aLast && !aFPoint; anIt++) {
 372       std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 373         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 374       if (aCurPoint && (aCurPoint->pnt()->distance(aClickedPoint) < Precision::Confusion())) {
 375         aFPoint = aCurPoint;
 376         break;
 377       }
 378     }
 379     if (aFPoint)
 380       PartSet_Tools::createConstraint(theSketch, aFPoint, aFeaturePoint);
 381   }
 382 }
 383
 384 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 385 {
 386   std::shared_ptr<GeomAPI_Pln> aPlane;
 387
 388   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 389   if (aData) {
 390     std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 391         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 392     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 393         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 394     if (aNormal && anOrigin) {
 395       double adX = aNormal->x();
 396       double adY = aNormal->y();
 397       double adZ = aNormal->z();
 398
 399       if ( (adX != 0) || (adY != 0) || (adZ != 0) ) { // Plane is valid
 400         double aX = anOrigin->x();
 401         double aY = anOrigin->y();
 402         double aZ = anOrigin->z();
 403         gp_Pln aPln(gp_Pnt(aX, aY, aZ), gp_Dir(adX, adY, adZ));
 404         double aA, aB, aC, aD;
 405         aPln.Coefficients(aA, aB, aC, aD);
 406         aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
 407       }
 408     }
 409   }
 410   return aPlane;
 411 }
 412
 413 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 414                                                       CompositeFeaturePtr theSketch)
 415 {
 416   std::shared_ptr<GeomAPI_Pnt> aPoint;
 417   if (!theSketch || !thePoint2D)
 418     return aPoint;
 419
 420   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 421       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 422   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 423       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 424   std::shared_ptr<GeomDataAPI_Dir> aY = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 425       theSketch->data()->attribute(SketchPlugin_Sketch::DIRY_ID()));
 426
 427   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY->dir());
 428 }
 429
 430 ResultPtr PartSet_Tools::createFixedObjectByExternal(const TopoDS_Shape& theShape,
 431                                                  const ObjectPtr& theObject,
 432                                                  CompositeFeaturePtr theSketch)
 433 {
 434   if (theShape.ShapeType() == TopAbs_EDGE) {
 435     // Check that we already have such external edge
 436     std::shared_ptr<GeomAPI_Edge> aInEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge());
 437     aInEdge->setImpl(new TopoDS_Shape(theShape));
 438     ResultPtr aResult = findExternalEdge(theSketch, aInEdge);
 439     if (aResult)
 440       return aResult;
 441
 442     // If not found then we have to create new
 443     Standard_Real aStart, aEnd;
 444     Handle(V3d_View) aNullView;
 445     FeaturePtr aMyFeature;
 446
 447     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(TopoDS::Edge(theShape), aStart, aEnd);
 448     GeomAdaptor_Curve aAdaptor(aCurve);
 449     if (aAdaptor.GetType() == GeomAbs_Line) {
 450       // Create line
 451       aMyFeature = theSketch->addFeature(SketchPlugin_Line::ID());
 452     } else if (aAdaptor.GetType() == GeomAbs_Circle) {
 453       if (aAdaptor.IsClosed()) {
 454         // Create circle
 455         aMyFeature = theSketch->addFeature(SketchPlugin_Circle::ID());
 456       } else {
 457         // Create arc
 458         aMyFeature = theSketch->addFeature(SketchPlugin_Arc::ID());
 459       }
 460     }
 461     if (aMyFeature) {
 462       DataPtr aData = aMyFeature->data();
 463       AttributeSelectionPtr anAttr =
 464         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 465         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 466
 467       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 468       if (anAttr && aRes) {
 469         std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
 470         anEdge->setImpl(new TopoDS_Shape(theShape));
 471
 472         anAttr->setValue(aRes, anEdge);
 473
 474         aMyFeature->execute();
 475
 476         // fix this edge
 477         FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 478         aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 479           setObject(aMyFeature->lastResult());
 480
 481         return aMyFeature->lastResult();
 482       }
 483     }
 484   }
 485   if (theShape.ShapeType() == TopAbs_VERTEX) {
 486     std::shared_ptr<GeomAPI_Vertex> aInVert = std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex());
 487     aInVert->setImpl(new TopoDS_Shape(theShape));
 488     ResultPtr aResult = findExternalVertex(theSketch, aInVert);
 489     if (aResult)
 490       return aResult;
 491
 492     FeaturePtr aMyFeature = theSketch->addFeature(SketchPlugin_Point::ID());
 493
 494     if (aMyFeature) {
 495       DataPtr aData = aMyFeature->data();
 496       AttributeSelectionPtr anAttr =
 497         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
 498         (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
 499
 500       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 501       if (anAttr && aRes) {
 502         std::shared_ptr<GeomAPI_Shape> aVert(new GeomAPI_Shape);
 503         aVert->setImpl(new TopoDS_Shape(theShape));
 504
 505         anAttr->setValue(aRes, aVert);
 506         aMyFeature->execute();
 507
 508         // fix this edge
 509         FeaturePtr aFix = theSketch->addFeature(SketchPlugin_ConstraintRigid::ID());
 510         aFix->data()->refattr(SketchPlugin_Constraint::ENTITY_A())->
 511           setObject(aMyFeature->lastResult());
 512
 513         return aMyFeature->lastResult();
 514       }
 515     }
 516   }
 517   return ResultPtr();
 518 }
 519
 520 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrs>& theSelected,
 521                                           const ModuleBase_ViewerPrs& thePrs)
 522 {
 523   foreach (ModuleBase_ViewerPrs aPrs, theSelected) {
 524     if (aPrs.object() == thePrs.object())
 525       return true;
 526   }
 527   return false;
 528 }
 529
 530 ResultPtr PartSet_Tools::findExternalEdge(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Edge> theEdge)
 531 {
 532   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 533     FeaturePtr aFeature = theSketch->subFeature(i);
 534     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 535       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 536     if (aSketchFea) {
 537       if (aSketchFea->isExternal()) {
 538         std::list<ResultPtr> aResults = aSketchFea->results();
 539         std::list<ResultPtr>::const_iterator aIt;
 540         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 541           ResultConstructionPtr aRes =
 542             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 543           if (aRes) {
 544             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 545             if (aShape) {
 546               if (theEdge->isEqual(aShape))
 547                 return aRes;
 548             }
 549           }
 550         }
 551       }
 552     }
 553   }
 554   return ResultPtr();
 555 }
 556
 557
 558 ResultPtr PartSet_Tools::findExternalVertex(CompositeFeaturePtr theSketch, std::shared_ptr<GeomAPI_Vertex> theVert)
 559 {
 560   for (int i = 0; i < theSketch->numberOfSubs(); i++) {
 561     FeaturePtr aFeature = theSketch->subFeature(i);
 562     std::shared_ptr<SketchPlugin_Feature> aSketchFea =
 563       std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 564     if (aSketchFea) {
 565       if (aSketchFea->isExternal()) {
 566         std::list<ResultPtr> aResults = aSketchFea->results();
 567         std::list<ResultPtr>::const_iterator aIt;
 568         for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 569           ResultConstructionPtr aRes =
 570             std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aIt);
 571           if (aRes) {
 572             std::shared_ptr<GeomAPI_Shape> aShape = aRes->shape();
 573             if (aShape) {
 574               if (theVert->isEqual(aShape))
 575                 return aRes;
 576             }
 577           }
 578         }
 579       }
 580     }
 581   }
 582   return ResultPtr();
 583 }
 584
 585
 586 bool PartSet_Tools::hasVertexShape(const ModuleBase_ViewerPrs& thePrs, FeaturePtr theSketch,
 587                                    Handle_V3d_View theView, double& theX, double& theY)
 588 {
 589   bool aHasVertex = false;
 590
 591   const TopoDS_Shape& aShape = thePrs.shape();
 592   if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_VERTEX)
 593   {
 594     const TopoDS_Vertex& aVertex = TopoDS::Vertex(aShape);
 595     if (!aVertex.IsNull())
 596     {
 597       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 598       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, theX, theY);
 599       aHasVertex = true;
 600     }
 601   }
 602
 603   return aHasVertex;
 604 }
 605
 606 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 607                                                    const TopoDS_Shape theShape,
 608                                                    FeaturePtr theSketch)
 609 {
 610
 611   AttributePtr anAttribute;
 612   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 613   if (aFeature) {
 614     if (theShape.ShapeType() == TopAbs_VERTEX) {
 615       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 616       if (!aVertex.IsNull())  {
 617         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 618         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 619             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 620
 621         // find the given point in the feature attributes
 622         std::list<AttributePtr> anAttiributes =
 623           aFeature->data()->attributes(GeomDataAPI_Point2D::type());
 624         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 625                                                 aLast = anAttiributes.end();
 626         for (; anIt != aLast && !anAttribute; anIt++) {
 627           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 628             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 629
 630           std::shared_ptr<GeomAPI_Pnt> aPnt = convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 631           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 632             anAttribute = aCurPoint;
 633             break;
 634           }
 635         }
 636       }
 637     }
 638   }
 639   return anAttribute;
 640 }