src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <PartSet_Tools.h>
  22 #include <PartSet_Module.h>
  23 #include <PartSet_SketcherMgr.h>
  24
  25 #include <ModelAPI_Data.h>
  26 #include <ModelAPI_AttributeDouble.h>
  27 #include <ModelAPI_AttributeRefList.h>
  28 #include <ModelAPI_Document.h>
  29 #include <ModelAPI_Session.h>
  30 #include <ModelAPI_ResultConstruction.h>
  31 #include <ModelAPI_Events.h>
  32 #include <ModelAPI_Validator.h>
  33 #include <ModelAPI_Tools.h>
  34
  35 #include <ModuleBase_IViewWindow.h>
  36
  37 #include <ModelGeomAlgo_Point2D.h>
  38
  39 #include <Events_Loop.h>
  40
  41 #include <SketcherPrs_Tools.h>
  42
  43 #include <XGUI_ModuleConnector.h>
  44 #include <XGUI_Displayer.h>
  45 #include <XGUI_Workshop.h>
  46 #include <XGUI_SelectionMgr.h>
  47 #include <XGUI_Selection.h>
  48
  49 #include <GeomDataAPI_Point.h>
  50 #include <GeomDataAPI_Dir.h>
  51 #include <GeomDataAPI_Point2D.h>
  52 #include <GeomAPI_Pln.h>
  53 #include <GeomAPI_Pnt2d.h>
  54 #include <GeomAPI_Pnt.h>
  55 #include <GeomAPI_Edge.h>
  56 #include <GeomAPI_Vertex.h>
  57
  58 #include <GeomAPI_Dir.h>
  59 #include <GeomAPI_XYZ.h>
  60
  61 #include <SketchPlugin_Feature.h>
  62 #include <SketchPlugin_Sketch.h>
  63 #include <SketchPlugin_ConstraintCoincidence.h>
  64 #include <SketchPlugin_ConstraintDistance.h>
  65 #include <SketchPlugin_ConstraintLength.h>
  66 #include <SketchPlugin_ConstraintRadius.h>
  67 #include <SketchPlugin_ConstraintRigid.h>
  68 #include <SketchPlugin_Constraint.h>
  69 #include <SketchPlugin_Circle.h>
  70 #include <SketchPlugin_Arc.h>
  71 #include <SketchPlugin_Line.h>
  72 #include <SketchPlugin_Point.h>
  73 #include <SketchPlugin_Projection.h>
  74
  75 #include <ModuleBase_IWorkshop.h>
  76 #include <ModuleBase_ViewerPrs.h>
  77 #include <ModuleBase_Tools.h>
  78
  79 #include <V3d_View.hxx>
  80 #include <gp_Pln.hxx>
  81 #include <gp_Circ.hxx>
  82 #include <ProjLib.hxx>
  83 #include <ElSLib.hxx>
  84 #include <Geom_Line.hxx>
  85 #include <GeomAPI_ProjectPointOnCurve.hxx>
  86 #include <BRep_Tool.hxx>
  87 #include <TopoDS.hxx>
  88 #include <TopoDS_Edge.hxx>
  89 #include <TopoDS_Vertex.hxx>
  90 #include <AIS_InteractiveObject.hxx>
  91 #include <StdSelect_BRepOwner.hxx>
  92 #include <SelectMgr_IndexedMapOfOwner.hxx>
  93 #include <V3d_Coordinate.hxx>
  94
  95 #include <QMouseEvent>
  96
  97 #ifdef _DEBUG
  98 #include <QDebug>
  99 #endif
 100
 101 const double PRECISION_TOLERANCE = 0.000001;
 102 const int AIS_DEFAULT_WIDTH = 2;
 103 const bool SKETCH_PROJECTION_INCLUDE_INTO_RESULT = false; // by default, it is not presented
 104
 105 int PartSet_Tools::getAISDefaultWidth()
 106 {
 107   return AIS_DEFAULT_WIDTH;
 108 }
 109
 110 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
 111 {
 112   if (theView.IsNull())
 113     return gp_Pnt();
 114
 115   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 116   theView->Eye(XEye, YEye, ZEye);
 117
 118   theView->At(XAt, YAt, ZAt);
 119   gp_Pnt EyePoint(XEye, YEye, ZEye);
 120   gp_Pnt AtPoint(XAt, YAt, ZAt);
 121
 122   gp_Vec EyeVector(EyePoint, AtPoint);
 123   gp_Dir EyeDir(EyeVector);
 124
 125   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 126   Standard_Real X, Y, Z;
 127   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 128   gp_Pnt ConvertedPoint(X, Y, Z);
 129
 130   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 131   gp_Pnt ResultPoint = ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 132                                      PlaneOfTheView);
 133   return ResultPoint;
 134 }
 135
 136 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 137 Handle(V3d_View) theView,
 138                                 double& theX, double& theY)
 139 {
 140   if (!theSketch)
 141     return;
 142
 143   AttributeDoublePtr anAttr;
 144   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 145
 146   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 147       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 148
 149   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 150       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 151   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 152       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 153   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 154
 155   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 156   gp_Vec aVec(anOriginPnt, thePoint);
 157
 158   if (!theView.IsNull()) {
 159     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 160     theView->Eye(XEye, YEye, ZEye);
 161
 162     theView->At(XAt, YAt, ZAt);
 163     gp_Pnt EyePoint(XEye, YEye, ZEye);
 164     gp_Pnt AtPoint(XAt, YAt, ZAt);
 165
 166     gp_Vec anEyeVec(EyePoint, AtPoint);
 167     anEyeVec.Normalize();
 168
 169     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 170         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 171     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 172
 173     double aDen = anEyeVec * aNormalVec;
 174     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 175
 176     gp_Vec aDeltaVec = anEyeVec * aLVec;
 177     aVec = aVec - aDeltaVec;
 178   }
 179   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 180   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 181 }
 182
 183 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 184                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 185 {
 186   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 187   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 188     return aRes;
 189   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 190       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 191   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 192       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 193   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 194       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 195   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 196   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 197 }
 198
 199
 200 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 201                                                         FeaturePtr theSketch)
 202 {
 203   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 204
 205   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 206       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 207   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 208       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 209   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 210       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 211   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 212
 213   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 214     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 215
 216   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 217 }
 218
 219 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 220 {
 221   return ModelAPI_Session::get()->moduleDocument();
 222 }
 223
 224 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 225                                     const std::string& theAttribute)
 226 {
 227   if (!theFeature)
 228     return;
 229   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 230   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 231       aData->attribute(theAttribute));
 232   if (anAttribute)
 233     anAttribute->setValue(theValue);
 234 }
 235
 236 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 237                                    bool& isValid)
 238 {
 239   isValid = false;
 240   double aValue = 0;
 241   if (theFeature) {
 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       aValue = anAttribute->value();
 247       isValid = true;
 248     }
 249   }
 250   return aValue;
 251 }
 252
 253 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 254                                   const std::string& theKind)
 255 {
 256   FeaturePtr aFeature;
 257   if (!theFeature)
 258     return aFeature;
 259
 260   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 261   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 262       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 263   if (anAttr) {
 264     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 265     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 266       aFeature = FeaturePtr();
 267     }
 268   }
 269   return aFeature;
 270 }
 271
 272 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 273                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 274                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 275 {
 276   FeaturePtr aFeature;
 277   if (theSketch) {
 278     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 279   } else {
 280     std::shared_ptr<ModelAPI_Document> aDoc = document();
 281     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 282   }
 283
 284   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 285
 286   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 287       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 288   aRef1->setAttr(thePoint1);
 289
 290   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 291       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 292   aRef2->setAttr(thePoint2);
 293
 294   // we need to flush created signal in order to coincidence is processed by solver
 295   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 296 }
 297
 298 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 299 {
 300   std::shared_ptr<GeomAPI_Pln> aPlane;
 301
 302   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 303       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 304   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 305       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 306
 307   if (aNormal.get() && aNormal->isInitialized() &&
 308       anOrigin.get() && anOrigin->isInitialized())
 309     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 310
 311   return aPlane;
 312 }
 313
 314 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 315                                                       CompositeFeaturePtr theSketch)
 316 {
 317   std::shared_ptr<GeomAPI_Pnt> aPoint;
 318   if (!theSketch || !thePoint2D)
 319     return aPoint;
 320
 321   DataPtr aData = theSketch->data();
 322   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 323       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 324   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 325       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 326   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 327       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 328   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 329
 330   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 331 }
 332
 333 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 334                                                    const ObjectPtr& theObject,
 335                                                    CompositeFeaturePtr theSketch)
 336 {
 337   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 338   if (!aResult.get())
 339     return ResultPtr();
 340
 341   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 342     FeaturePtr aFeature = theSketch->subFeature(i);
 343     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 344       continue;
 345     if (aFeature->lastResult() == aResult)
 346       return aResult;
 347   }
 348   return ResultPtr();
 349 }
 350
 351 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 352                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 353                                    const ObjectPtr& theObject,
 354                                    CompositeFeaturePtr theSketch,
 355                                    const bool theTemporary,
 356                                    FeaturePtr& theCreatedFeature)
 357 {
 358   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 359   if (!aResult.get())
 360     return ResultPtr();
 361
 362   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 363   theCreatedFeature = aProjectionFeature;
 364   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 365                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 366   anExternalAttr->setValue(aResult, theShape);
 367
 368   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 369     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 370   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 371   aProjectionFeature->execute();
 372
 373   // if projection feature has not been created, exit
 374   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 375     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 376   if (!aRefAttr || !aRefAttr->isInitialized())
 377     return ResultPtr();
 378
 379   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 380   if (aProjection.get() && aProjection->lastResult().get())
 381     return aProjection->lastResult();
 382
 383   return ResultPtr();
 384 }
 385
 386 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 387                                           const ModuleBase_ViewerPrsPtr& thePrs)
 388 {
 389   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 390     if (aPrs->object() == thePrs->object())
 391       return true;
 392   }
 393   return false;
 394 }
 395
 396 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 397                                                        ModuleBase_IWorkshop* theWorkshop)
 398 {
 399   GeomShapePtr aShape;
 400   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 401   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 402
 403   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 404   // the same, return it
 405   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 406   // 2.1 get visualized results of the feature
 407   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 408   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 409   for (; anIt != aLast; anIt++) {
 410     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 411     if (aAISObj.get() != NULL) {
 412       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 413       // 2.2 find selected owners of a visualizedd object
 414       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 415       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 416       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 417         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 418         if (!anOwner.IsNull()) {
 419           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 420           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 421             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 422             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 423               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 424               // attribute, returns the shape
 425               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 426               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 427               AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(anAttributeFeature,
 428                                                         aBRepShape, aSketchMgr->activeSketch());
 429               if (aPntAttr.get() != NULL && aPntAttr == theAttribute) {
 430                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 431                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 432                 break;
 433               }
 434             }
 435           }
 436         }
 437       }
 438     }
 439   }
 440   return aShape;
 441 }
 442
 443 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 444                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 445                                                   const std::string& theAttribute)
 446 {
 447   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 448                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 449                                           SketchPlugin_Point::COORD_ID());
 450   if (aPointAttr.get() != NULL)
 451     return aPointAttr->pnt();
 452   return std::shared_ptr<GeomAPI_Pnt2d>();
 453 }
 454
 455 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 456                                                 ModuleBase_IViewWindow* theWindow,
 457                                                 const FeaturePtr& theSketch)
 458 {
 459   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 460   double aX, anY;
 461   Handle(V3d_View) aView = theWindow->v3dView();
 462   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 463
 464   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 465 }
 466
 467 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 468                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 469 {
 470   FeaturePtr aCoincident;
 471
 472   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 473   std::set<AttributePtr>::const_iterator aIt;
 474   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 475     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 476     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 477     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 478       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 479         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 480       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 481         aCoincident = aConstrFeature;
 482         break;
 483       } else {
 484         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 485                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 486         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 487           aCoincident = aConstrFeature;
 488           break;
 489         }
 490       }
 491     }
 492   }
 493   return aCoincident;
 494 }
 495
 496 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 497                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 498 {
 499   FeaturePtr aCoincident;
 500   if (theFeature.get() == NULL)
 501     return aCoincident;
 502
 503   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 504   std::set<AttributePtr>::const_iterator aIt;
 505   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 506     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 507     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 508     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 509       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 510         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 511       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 512         aCoincident = aConstrFeature;
 513         break;
 514       } else {
 515         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 516                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 517         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 518           aCoincident = aConstrFeature;
 519           break;
 520         }
 521       }
 522     }
 523   }
 524   /// Find by result
 525   if (!aCoincident.get()) {
 526     std::list<ResultPtr> aResults = theFeature->results();
 527     std::list<ResultPtr>::const_iterator aIt;
 528     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 529       ResultPtr aResult = *aIt;
 530       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 531       if (aCoincident.get())
 532         break;
 533     }
 534   }
 535   return aCoincident;
 536 }
 537
 538 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 539                                      QList<FeaturePtr>& theCoincidencies,
 540                                      std::string theAttr, QList<bool>& theIsAttributes)
 541 {
 542   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 543   if (aOrig.get() == NULL)
 544     return;
 545
 546   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 547   if (!aPnt)
 548     return;
 549   ObjectPtr aObj = aPnt->object();
 550   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 551   if (aFeature.get()) {
 552     if (!theList.contains(aFeature)) {
 553       theList.append(aFeature);
 554       theCoincidencies.append(theStartCoin);
 555       theIsAttributes.append(true); // point attribute on a feature
 556       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 557       std::set<AttributePtr>::const_iterator aIt;
 558       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 559         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 560         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 561         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 562           if (!theCoincidencies.contains(aConstrFeature)) {
 563             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 564             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 565               findCoincidences(aConstrFeature, theList, theCoincidencies,
 566                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 567               findCoincidences(aConstrFeature, theList, theCoincidencies,
 568                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 569             }
 570           }
 571         }
 572       }
 573     }
 574   } else {
 575     // Find by Results
 576     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 577     if (aResult.get()) {
 578       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 579       if (!theList.contains(aFeature))
 580         theList.append(aFeature);
 581       theCoincidencies.append(theStartCoin);
 582       theIsAttributes.append(false); // point attribute on a feature
 583
 584       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 585       std::set<AttributePtr>::const_iterator aIt;
 586       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 587         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 588         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 589         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 590           if (!theCoincidencies.contains(aConstrFeature)) {
 591             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 592             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 593               findCoincidences(aConstrFeature, theList, theCoincidencies,
 594                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 595               findCoincidences(aConstrFeature, theList, theCoincidencies,
 596                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 597             }
 598           }
 599         }
 600       }
 601     }
 602   }
 603 }
 604
 605 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 606 {
 607   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 608                                                         SketchPlugin_Constraint::ENTITY_A());
 609   if (aPnt.get() == NULL)
 610     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 611   return aPnt;
 612 }
 613
 614 AttributePtr PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 615                                                    const TopoDS_Shape theShape,
 616                                                    FeaturePtr theSketch)
 617 {
 618
 619   AttributePtr anAttribute;
 620   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 621   if (aFeature) {
 622     if (theShape.ShapeType() == TopAbs_VERTEX) {
 623       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 624       if (!aVertex.IsNull())  {
 625         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 626         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 627             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 628
 629         // find the given point in the feature attributes
 630         std::list<AttributePtr> anAttiributes =
 631           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 632         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 633                                                 aLast = anAttiributes.end();
 634         for (; anIt != aLast && !anAttribute; anIt++) {
 635           std::shared_ptr<GeomDataAPI_Point2D> aCurPoint =
 636             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
 637           if (!aCurPoint->isInitialized())
 638             continue;
 639
 640           std::shared_ptr<GeomAPI_Pnt> aPnt =
 641             convertTo3D(aCurPoint->x(), aCurPoint->y(), theSketch);
 642           if (aPnt && (aPnt->distance(aValue) < Precision::Confusion())) {
 643             anAttribute = aCurPoint;
 644             break;
 645           }
 646         }
 647       }
 648     }
 649   }
 650   return anAttribute;
 651 }
 652
 653 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 654                                          const Events_ID theEventId)
 655 {
 656   if (!theComposite.get())
 657     return;
 658
 659   static Events_Loop* aLoop = Events_Loop::loop();
 660   for (int i = 0; i < theComposite->numberOfSubs(); i++) {
 661     FeaturePtr aSubFeature = theComposite->subFeature(i);
 662     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 663     aECreator->sendUpdated(aSubFeature, theEventId);
 664   }
 665   Events_Loop::loop()->flush(theEventId);
 666 }
 667
 668 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 669 {
 670   bool isAuxiliaryFeature = false;
 671
 672   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 673   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 674   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 675                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 676   if (anAuxiliaryAttr.get())
 677     isAuxiliaryFeature = anAuxiliaryAttr->value();
 678
 679
 680   return isAuxiliaryFeature;
 681 }
 682
 683
 684 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 685     const ObjectPtr& theObject,
 686     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 687     ModelAPI_AttributeSelection::CenterType theType,
 688     const CompositeFeaturePtr& theSketch,
 689     bool theTemporary,
 690     FeaturePtr& theCreatedFeature)
 691 {
 692   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 693   if (!aResult.get())
 694     return ResultPtr();
 695
 696   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 697   theCreatedFeature = aProjectionFeature;
 698   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 699                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 700   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 701
 702   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 703     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 704   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 705   aProjectionFeature->execute();
 706
 707   // if projection feature has not been created, exit
 708   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 709     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 710   if (!aRefAttr || !aRefAttr->isInitialized())
 711     return ResultPtr();
 712
 713   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 714   if (aProjection.get() && aProjection->lastResult().get())
 715     return aProjection->lastResult();
 716
 717   return ResultPtr();
 718 }