src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-2019  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 email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <PartSet_Tools.h>
  21 #include <PartSet_Module.h>
  22 #include <PartSet_SketcherMgr.h>
  23
  24 #include <ModelAPI_Data.h>
  25 #include <ModelAPI_AttributeDouble.h>
  26 #include <ModelAPI_AttributeRefList.h>
  27 #include <ModelAPI_Document.h>
  28 #include <ModelAPI_Session.h>
  29 #include <ModelAPI_ResultConstruction.h>
  30 #include <ModelAPI_Events.h>
  31 #include <ModelAPI_Validator.h>
  32 #include <ModelAPI_Tools.h>
  33
  34 #include <ModuleBase_IViewWindow.h>
  35
  36 #include <ModelGeomAlgo_Point2D.h>
  37
  38 #include <Events_Loop.h>
  39 #include <Events_InfoMessage.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 <GeomDataAPI_Point2DArray.h>
  53 #include <GeomAPI_Pln.h>
  54 #include <GeomAPI_Pnt2d.h>
  55 #include <GeomAPI_Pnt.h>
  56 #include <GeomAPI_Edge.h>
  57 #include <GeomAPI_Vertex.h>
  58 #include <GeomAPI_ShapeExplorer.h>
  59
  60 #include <GeomAPI_Dir.h>
  61 #include <GeomAPI_XYZ.h>
  62
  63 #include <SketchPlugin_Feature.h>
  64 #include <SketchPlugin_Sketch.h>
  65 #include <SketchPlugin_ConstraintCoincidence.h>
  66 #include <SketchPlugin_ConstraintDistance.h>
  67 #include <SketchPlugin_ConstraintLength.h>
  68 #include <SketchPlugin_ConstraintRadius.h>
  69 #include <SketchPlugin_ConstraintRigid.h>
  70 #include <SketchPlugin_Constraint.h>
  71 #include <SketchPlugin_Circle.h>
  72 #include <SketchPlugin_Arc.h>
  73 #include <SketchPlugin_Line.h>
  74 #include <SketchPlugin_Point.h>
  75 #include <SketchPlugin_Projection.h>
  76 #include <SketchPlugin_IntersectionPoint.h>
  77
  78 #include <ModuleBase_IWorkshop.h>
  79 #include <ModuleBase_ViewerPrs.h>
  80 #include <ModuleBase_Tools.h>
  81
  82 #include <V3d_View.hxx>
  83 #include <gp_Pln.hxx>
  84 #include <gp_Circ.hxx>
  85 #include <ProjLib.hxx>
  86 #include <ElSLib.hxx>
  87 #include <Geom_Line.hxx>
  88 #include <GeomAPI_ProjectPointOnCurve.hxx>
  89 #include <BRep_Tool.hxx>
  90 #include <TopoDS.hxx>
  91 #include <TopoDS_Edge.hxx>
  92 #include <TopoDS_Vertex.hxx>
  93 #include <AIS_InteractiveObject.hxx>
  94 #include <StdSelect_BRepOwner.hxx>
  95 #include <SelectMgr_IndexedMapOfOwner.hxx>
  96 #include <V3d_Coordinate.hxx>
  97
  98 #include <QMouseEvent>
  99
 100 #ifdef _DEBUG
 101 #include <QDebug>
 102 #endif
 103
 104 const double PRECISION_TOLERANCE = 0.000001;
 105 const int AIS_DEFAULT_WIDTH = 2;
 106 const bool SKETCH_PROJECTION_INCLUDE_INTO_RESULT = false; // by default, it is not presented
 107
 108 int PartSet_Tools::getAISDefaultWidth()
 109 {
 110   return AIS_DEFAULT_WIDTH;
 111 }
 112
 113 gp_Pnt PartSet_Tools::convertClickToPoint(QPoint thePoint, Handle(V3d_View) theView)
 114 {
 115   if (theView.IsNull())
 116     return gp_Pnt();
 117
 118   V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 119   theView->Eye(XEye, YEye, ZEye);
 120
 121   theView->At(XAt, YAt, ZAt);
 122   gp_Pnt EyePoint(XEye, YEye, ZEye);
 123   gp_Pnt AtPoint(XAt, YAt, ZAt);
 124
 125   if (EyePoint.Distance(AtPoint) < Precision::Confusion())
 126     return gp_Pnt();
 127
 128   gp_Vec EyeVector(EyePoint, AtPoint);
 129   gp_Dir EyeDir(EyeVector);
 130
 131   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 132   Standard_Real X, Y, Z;
 133   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 134   gp_Pnt ConvertedPoint(X, Y, Z);
 135
 136   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 137   return ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 138                                      PlaneOfTheView);
 139 }
 140
 141 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 142 Handle(V3d_View) theView,
 143                                 double& theX, double& theY)
 144 {
 145   if (!theSketch)
 146     return;
 147
 148   AttributeDoublePtr anAttr;
 149   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 150
 151   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 152       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 153
 154   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 155       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 156   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 157       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 158   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 159
 160   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 161   gp_Vec aVec(anOriginPnt, thePoint);
 162
 163   if (!theView.IsNull()) {
 164     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 165     theView->Eye(XEye, YEye, ZEye);
 166
 167     theView->At(XAt, YAt, ZAt);
 168     gp_Pnt EyePoint(XEye, YEye, ZEye);
 169     gp_Pnt AtPoint(XAt, YAt, ZAt);
 170
 171     gp_Vec anEyeVec(EyePoint, AtPoint);
 172     anEyeVec.Normalize();
 173
 174     std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 175         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 176     gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 177
 178     double aDen = anEyeVec * aNormalVec;
 179     double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 180
 181     gp_Vec aDeltaVec = anEyeVec * aLVec;
 182     aVec = aVec - aDeltaVec;
 183   }
 184   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 185   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 186 }
 187
 188 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 189                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 190 {
 191   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 192   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 193     return aRes;
 194   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 195       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 196   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 197       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 198   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 199       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 200   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 201   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 202 }
 203
 204
 205 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 206                                                         FeaturePtr theSketch)
 207 {
 208   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 209
 210   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 211       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 212   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 213       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 214   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 215       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 216   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 217
 218   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 219     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 220
 221   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 222 }
 223
 224 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 225 {
 226   return ModelAPI_Session::get()->moduleDocument();
 227 }
 228
 229 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 230                                     const std::string& theAttribute)
 231 {
 232   if (!theFeature)
 233     return;
 234   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 235   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 236       aData->attribute(theAttribute));
 237   if (anAttribute)
 238     anAttribute->setValue(theValue);
 239 }
 240
 241 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 242                                    bool& isValid)
 243 {
 244   isValid = false;
 245   double aValue = 0;
 246   if (theFeature) {
 247     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 248     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 249         aData->attribute(theAttribute));
 250     if (anAttribute) {
 251       aValue = anAttribute->value();
 252       isValid = true;
 253     }
 254   }
 255   return aValue;
 256 }
 257
 258 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 259                                   const std::string& theKind)
 260 {
 261   FeaturePtr aFeature;
 262   if (!theFeature)
 263     return aFeature;
 264
 265   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 266   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 267       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 268   if (anAttr) {
 269     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 270     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 271       aFeature = FeaturePtr();
 272     }
 273   }
 274   return aFeature;
 275 }
 276
 277 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 278                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 279                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 280 {
 281   FeaturePtr aFeature;
 282   if (theSketch) {
 283     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 284   } else {
 285     std::shared_ptr<ModelAPI_Document> aDoc = document();
 286     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 287   }
 288
 289   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 290
 291   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 292       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 293   aRef1->setAttr(thePoint1);
 294
 295   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 296       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 297   aRef2->setAttr(thePoint2);
 298
 299   // we need to flush created signal in order to coincidence is processed by solver
 300   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 301 }
 302
 303 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 304 {
 305   std::shared_ptr<GeomAPI_Pln> aPlane;
 306
 307   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 308       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 309   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 310       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 311
 312   if (aNormal.get() && aNormal->isInitialized() &&
 313       anOrigin.get() && anOrigin->isInitialized())
 314     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 315
 316   return aPlane;
 317 }
 318
 319 void PartSet_Tools::nullifySketchPlane(CompositeFeaturePtr theSketch)
 320 {
 321   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 322     theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 323   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 324     theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 325
 326   aNormal->reset();
 327   anOrigin->reset();
 328 }
 329
 330 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 331                                                       CompositeFeaturePtr theSketch)
 332 {
 333   std::shared_ptr<GeomAPI_Pnt> aPoint;
 334   if (!theSketch || !thePoint2D)
 335     return aPoint;
 336
 337   DataPtr aData = theSketch->data();
 338   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 339       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 340   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 341       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 342   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 343       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 344   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 345
 346   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 347 }
 348
 349 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 350                                                    const ObjectPtr& theObject,
 351                                                    CompositeFeaturePtr theSketch)
 352 {
 353   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 354   if (!aResult.get())
 355     return ResultPtr();
 356
 357   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 358     FeaturePtr aFeature = theSketch->subFeature(i);
 359     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 360       continue;
 361     if (aFeature->lastResult() == aResult)
 362       return aResult;
 363   }
 364   return ResultPtr();
 365 }
 366
 367 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 368                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 369                                    const ObjectPtr& theObject,
 370                                    CompositeFeaturePtr theSketch,
 371                                    const bool theTemporary,
 372                                    FeaturePtr& theCreatedFeature)
 373 {
 374   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 375   if (!aResult.get())
 376     return ResultPtr();
 377
 378   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 379   theCreatedFeature = aProjectionFeature;
 380   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 381                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 382   anExternalAttr->setValue(aResult, theShape);
 383
 384   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 385     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 386   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 387   aProjectionFeature->execute();
 388
 389   // if projection feature has not been created, exit
 390   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 391     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 392   if (!aRefAttr || !aRefAttr->isInitialized())
 393   {
 394     // remove external feature if the attribute is not filled
 395     std::set<FeaturePtr> aFeatures;
 396     aFeatures.insert(aProjectionFeature);
 397     ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 398     return ResultPtr();
 399   }
 400
 401   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 402   if (aProjection.get() && aProjection->lastResult().get())
 403     return aProjection->lastResult();
 404
 405   return ResultPtr();
 406 }
 407
 408 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 409                                           const ModuleBase_ViewerPrsPtr& thePrs)
 410 {
 411   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 412     if (aPrs->object() == thePrs->object())
 413       return true;
 414   }
 415   return false;
 416 }
 417
 418 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 419                                                        ModuleBase_IWorkshop* theWorkshop)
 420 {
 421   GeomShapePtr aShape;
 422   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 423   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 424
 425   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 426   // the same, return it
 427   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 428   // 2.1 get visualized results of the feature
 429   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 430   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 431   for (; anIt != aLast; anIt++) {
 432     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 433     if (aAISObj.get() != NULL) {
 434       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 435       // 2.2 find selected owners of a visualizedd object
 436       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 437       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 438       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 439         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 440         if (!anOwner.IsNull()) {
 441           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 442           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 443             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 444             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 445               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 446               // attribute, returns the shape
 447               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 448               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 449               std::pair<AttributePtr, int> aPntAttrIndex = PartSet_Tools::findAttributeBy2dPoint(
 450                   anAttributeFeature, aBRepShape, aSketchMgr->activeSketch());
 451               if (aPntAttrIndex.first.get() != NULL && aPntAttrIndex.first == theAttribute) {
 452                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 453                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 454                 break;
 455               }
 456             }
 457           }
 458         }
 459       }
 460     }
 461   }
 462   return aShape;
 463 }
 464
 465 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 466                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 467                                                   const std::string& theAttribute)
 468 {
 469   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 470                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 471                                           SketchPlugin_Point::COORD_ID());
 472   if (aPointAttr.get() != NULL)
 473     return aPointAttr->pnt();
 474   return std::shared_ptr<GeomAPI_Pnt2d>();
 475 }
 476
 477 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 478                                                 ModuleBase_IViewWindow* theWindow,
 479                                                 const FeaturePtr& theSketch)
 480 {
 481   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 482   double aX, anY;
 483   Handle(V3d_View) aView = theWindow->v3dView();
 484   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 485
 486   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 487 }
 488
 489 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(const Handle(V3d_View)& theView,
 490                                                        const TopoDS_Shape& theShape,
 491                                                        const FeaturePtr& theSketch)
 492 {
 493   GeomPnt2dPtr aPoint2D;
 494   if (!theShape.IsNull() && theShape.ShapeType() == TopAbs_VERTEX) {
 495     const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 496     if (!aVertex.IsNull()) {
 497       // the case when the point is taken from the existing vertex
 498       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 499       double aX, aY;
 500       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, aY);
 501       aPoint2D.reset(new GeomAPI_Pnt2d(aX, aY));
 502     }
 503   }
 504   return aPoint2D;
 505 }
 506
 507 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 508                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 509 {
 510   FeaturePtr aCoincident;
 511
 512   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 513   std::set<AttributePtr>::const_iterator aIt;
 514   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 515     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 516     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 517     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 518       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 519         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 520       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 521         aCoincident = aConstrFeature;
 522         break;
 523       } else {
 524         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 525                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 526         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 527           aCoincident = aConstrFeature;
 528           break;
 529         }
 530       }
 531     }
 532   }
 533   return aCoincident;
 534 }
 535
 536 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 537                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 538 {
 539   FeaturePtr aCoincident;
 540   if (theFeature.get() == NULL)
 541     return aCoincident;
 542
 543   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 544   std::set<AttributePtr>::const_iterator aIt;
 545   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 546     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 547     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 548     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 549       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 550         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 551       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 552         aCoincident = aConstrFeature;
 553         break;
 554       } else {
 555         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 556                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 557         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 558           aCoincident = aConstrFeature;
 559           break;
 560         }
 561       }
 562     }
 563   }
 564   /// Find by result
 565   if (!aCoincident.get()) {
 566     std::list<ResultPtr> aResults = theFeature->results();
 567     std::list<ResultPtr>::const_iterator aIt;
 568     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 569       ResultPtr aResult = *aIt;
 570       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 571       if (aCoincident.get())
 572         break;
 573     }
 574   }
 575   return aCoincident;
 576 }
 577
 578 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 579                                      QList<FeaturePtr>& theCoincidencies,
 580                                      std::string theAttr, QList<bool>& theIsAttributes)
 581 {
 582   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 583   if (aOrig.get() == NULL)
 584     return;
 585
 586   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 587   if (!aPnt)
 588     return;
 589   ObjectPtr aObj = aPnt->object();
 590   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 591   if (aFeature.get()) {
 592     if (!theList.contains(aFeature)) {
 593       theList.append(aFeature);
 594       theCoincidencies.append(theStartCoin);
 595       theIsAttributes.append(true); // point attribute on a feature
 596       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 597       std::set<AttributePtr>::const_iterator aIt;
 598       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 599         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 600         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 601         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 602           if (!theCoincidencies.contains(aConstrFeature)) {
 603             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 604             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 605               findCoincidences(aConstrFeature, theList, theCoincidencies,
 606                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 607               findCoincidences(aConstrFeature, theList, theCoincidencies,
 608                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 609             }
 610           }
 611         }
 612       }
 613     }
 614   } else {
 615     // Find by Results
 616     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 617     if (aResult.get()) {
 618       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 619       if (!theList.contains(aFeature))
 620         theList.append(aFeature);
 621       theCoincidencies.append(theStartCoin);
 622       theIsAttributes.append(false); // point attribute on a feature
 623
 624       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 625       std::set<AttributePtr>::const_iterator aIt;
 626       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 627         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 628         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 629         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 630           if (!theCoincidencies.contains(aConstrFeature)) {
 631             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 632             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 633               findCoincidences(aConstrFeature, theList, theCoincidencies,
 634                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 635               findCoincidences(aConstrFeature, theList, theCoincidencies,
 636                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 637             }
 638           }
 639         }
 640       }
 641     }
 642   }
 643 }
 644
 645 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 646 {
 647   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 648                                                         SketchPlugin_Constraint::ENTITY_A());
 649   if (aPnt.get() == NULL)
 650     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 651   return aPnt;
 652 }
 653
 654 class PointWrapper
 655 {
 656 public:
 657   PointWrapper(AttributePtr theAttribute)
 658     : myPoint(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute)),
 659       myArray(std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(theAttribute))
 660   {}
 661
 662   int size() const { return myPoint.get() ? 1 : (myArray.get() ? myArray->size() : 0); }
 663
 664   GeomPointPtr point(int theIndex, FeaturePtr theSketch)
 665   {
 666     GeomPnt2dPtr aP2d;
 667     if (myPoint.get())
 668       aP2d = myPoint->pnt();
 669     else if (myArray.get())
 670       aP2d = myArray->pnt(theIndex);
 671
 672     GeomPointPtr aP3d;
 673     if (aP2d.get())
 674       aP3d = PartSet_Tools::convertTo3D(aP2d->x(), aP2d->y(), theSketch);
 675     return aP3d;
 676   }
 677
 678   bool isArray() const { return myArray.get(); }
 679
 680 private:
 681   AttributePoint2DPtr myPoint;
 682   AttributePoint2DArrayPtr myArray;
 683 };
 684
 685 std::pair<AttributePtr, int> PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 686                                                                    const TopoDS_Shape theShape,
 687                                                                    FeaturePtr theSketch)
 688 {
 689
 690   AttributePtr anAttribute;
 691   int aPointIndex = -1;
 692   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 693   if (aFeature) {
 694     if (theShape.ShapeType() == TopAbs_VERTEX) {
 695       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 696       if (!aVertex.IsNull())  {
 697         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 698         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 699             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 700
 701         // find the given point in the feature attributes
 702         std::list<AttributePtr> anAttiributes =
 703           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 704         std::list<AttributePtr> anArrays =
 705           aFeature->data()->attributes(GeomDataAPI_Point2DArray::typeId());
 706         anAttiributes.insert(anAttiributes.end(), anArrays.begin(), anArrays.end());
 707
 708         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 709                                                 aLast = anAttiributes.end();
 710         double aMinDistance = 1.e-6; // searching for point with minimal distance and < 1.e-6
 711         for (; anIt != aLast && !anAttribute; anIt++) {
 712           PointWrapper aWrapper(*anIt);
 713           for (int anIndex = 0, aSize = aWrapper.size(); anIndex < aSize; ++anIndex) {
 714             std::shared_ptr<GeomAPI_Pnt> aPnt = aWrapper.point(anIndex, theSketch);
 715             if (aPnt) {
 716               double aDistance = aPnt->distance(aValue);
 717               if (aDistance < aMinDistance) {
 718                 anAttribute = *anIt;
 719                 if (aWrapper.isArray())
 720                   aPointIndex = anIndex;
 721                 aMinDistance = aPnt->distance(aValue);
 722               }
 723             }
 724           }
 725         }
 726       }
 727     }
 728   }
 729   return std::pair<AttributePtr, int>(anAttribute, aPointIndex);
 730 }
 731
 732 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 733                                          const Events_ID theEventId)
 734 {
 735   if (!theComposite.get())
 736     return;
 737
 738   static Events_Loop* aLoop = Events_Loop::loop();
 739   int aNumberOfSubs = theComposite->numberOfSubs();
 740   for (int i = 0; i < aNumberOfSubs; i++) {
 741     FeaturePtr aSubFeature = theComposite->subFeature(i);
 742     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 743     aECreator->sendUpdated(aSubFeature, theEventId);
 744   }
 745   Events_Loop::loop()->flush(theEventId);
 746 }
 747
 748 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 749 {
 750   bool isAuxiliaryFeature = false;
 751
 752   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 753   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 754   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 755                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 756   if (anAuxiliaryAttr.get())
 757     isAuxiliaryFeature = anAuxiliaryAttr->value();
 758
 759
 760   return isAuxiliaryFeature;
 761 }
 762
 763 bool PartSet_Tools::isIncludeIntoSketchResult(const ObjectPtr& theObject)
 764 {
 765   // check the feature is neither Projection nor IntersectionPoint feature
 766   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 767   if (aFeature->getKind() == SketchPlugin_Projection::ID() ||
 768       aFeature->getKind() == SketchPlugin_IntersectionPoint::ID())
 769     return false;
 770
 771   // go through the references to the feature to check
 772   // if it was created by Projection or Intersection
 773   const std::set<AttributePtr>& aRefs = theObject->data()->refsToMe();
 774   for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 775        aRefIt != aRefs.end(); ++aRefIt) {
 776     AttributePtr anAttr = *aRefIt;
 777     std::string anIncludeToResultAttrName;
 778     if (anAttr->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 779       anIncludeToResultAttrName = SketchPlugin_Projection::INCLUDE_INTO_RESULT();
 780     else if (anAttr->id() == SketchPlugin_IntersectionPoint::INTERSECTION_POINTS_ID())
 781       anIncludeToResultAttrName = SketchPlugin_IntersectionPoint::INCLUDE_INTO_RESULT();
 782
 783     if (!anIncludeToResultAttrName.empty()) {
 784       // check "include into result" flag
 785       FeaturePtr aParent = ModelAPI_Feature::feature(anAttr->owner());
 786       return aParent->boolean(anIncludeToResultAttrName)->value();
 787     }
 788   }
 789   return true;
 790 }
 791
 792
 793 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 794     const ObjectPtr& theObject,
 795     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 796     ModelAPI_AttributeSelection::CenterType theType,
 797     const CompositeFeaturePtr& theSketch,
 798     bool theTemporary,
 799     FeaturePtr& theCreatedFeature)
 800 {
 801   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 802   if (!aResult.get())
 803     return ResultPtr();
 804
 805   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 806   theCreatedFeature = aProjectionFeature;
 807   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 808                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 809   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 810
 811   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 812     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 813   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 814   aProjectionFeature->execute();
 815
 816   // if projection feature has not been created, exit
 817   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 818     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 819   if (!aRefAttr || !aRefAttr->isInitialized())
 820     return ResultPtr();
 821
 822   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 823   if (aProjection.get() && aProjection->lastResult().get())
 824     return aProjection->lastResult();
 825
 826   return ResultPtr();
 827 }
 828
 829 void PartSet_Tools::getFirstAndLastIndexInFolder(const ObjectPtr& theFolder,
 830   int& theFirst, int& theLast)
 831 {
 832   theFirst = -1;
 833   theLast = -1;
 834
 835   DocumentPtr aDoc = theFolder->document();
 836   FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(theFolder);
 837   if (!aFolder.get())
 838     return;
 839
 840   AttributeReferencePtr aFirstFeatAttr =
 841     aFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
 842   if (!aFirstFeatAttr.get())
 843     return;
 844   FeaturePtr aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
 845   if (!aFirstFeatureInFolder.get())
 846     return;
 847
 848   FeaturePtr aLastFeatureInFolder = aFolder->lastVisibleFeature();
 849   if (!aLastFeatureInFolder.get())
 850     return;
 851
 852   theFirst = aDoc->index(aFirstFeatureInFolder);
 853   theLast = aDoc->index(aLastFeatureInFolder);
 854 }
 855
 856
 857 void PartSet_Tools::getDefaultColor(ObjectPtr theObject, const bool isEmptyColorValid,
 858   std::vector<int>& theColor)
 859 {
 860   theColor.clear();
 861   // get default color from the preferences manager for the given result
 862   if (theColor.empty()) {
 863     std::string aSection, aName, aDefault;
 864     theObject->colorConfigInfo(aSection, aName, aDefault);
 865     if (!aSection.empty() && !aName.empty()) {
 866       theColor = Config_PropManager::color(aSection, aName);
 867     }
 868   }
 869   if (!isEmptyColorValid && theColor.empty()) {
 870     // all AIS objects, where the color is not set, are in black.
 871     // The color should be defined in XML or set in the attribute
 872     theColor = Config_PropManager::color("Visualization", "object_default_color");
 873     Events_InfoMessage("PartSet_Tools",
 874       "A default color is not defined in the preferences for this result type").send();
 875   }
 876 }
 877
 878 double PartSet_Tools::getDefaultDeflection(const ObjectPtr& theObject)
 879 {
 880   double aDeflection = -1;
 881   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 882   if (aResult.get()) {
 883     bool isConstruction = false;
 884
 885     std::string aResultGroup = aResult->groupName();
 886     if (aResultGroup == ModelAPI_ResultConstruction::group())
 887       isConstruction = true;
 888     else if (aResultGroup == ModelAPI_ResultBody::group()) {
 889       GeomShapePtr aGeomShape = aResult->shape();
 890       if (aGeomShape.get()) {
 891         // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 892         // correction of deviation for them should not influence to the application performance
 893         GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 894         isConstruction = !anExp.more();
 895       }
 896     }
 897     if (isConstruction)
 898       aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 899     else
 900       aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 901   }
 902   return aDeflection;
 903 }
 904
 905
 906 double PartSet_Tools::getDefaultTransparency()
 907 {
 908   return Config_PropManager::integer("Visualization", "shaper_default_transparency") / 100.;
 909 }
 910
 911 QCursor PartSet_Tools::getOperationCursor()
 912 {
 913   int aId = Config_PropManager::integer(SKETCH_TAB_NAME, "operation_cursor");
 914   switch (aId) {
 915   case 0:
 916     return QCursor(Qt::ArrowCursor);
 917   case 1:
 918     return QCursor(Qt::CrossCursor);
 919   case 2:
 920     return QCursor(Qt::PointingHandCursor);
 921   }
 922   return QCursor();
 923 }