src/PartSet/PartSet_Tools.cpp

   1 // Copyright (C) 2014-2020  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 XAt, YAt, ZAt;
 119   theView->At(XAt, YAt, ZAt);
 120   gp_Pnt AtPoint(XAt, YAt, ZAt);
 121
 122   double aX, aY, aZ;
 123   theView->Proj(aX, aY, aZ);
 124   gp_Dir EyeDir(aX, aY, aZ);
 125   EyeDir.Reverse();
 126
 127   gp_Pln PlaneOfTheView = gp_Pln(AtPoint, EyeDir);
 128   Standard_Real X, Y, Z;
 129   theView->Convert(thePoint.x(), thePoint.y(), X, Y, Z);
 130   gp_Pnt ConvertedPoint(X, Y, Z);
 131
 132   gp_Pnt2d ConvertedPointOnPlane = ProjLib::Project(PlaneOfTheView, ConvertedPoint);
 133   return ElSLib::Value(ConvertedPointOnPlane.X(), ConvertedPointOnPlane.Y(),
 134                                      PlaneOfTheView);
 135 }
 136
 137 void PartSet_Tools::convertTo2D(const gp_Pnt& thePoint, FeaturePtr theSketch,
 138 Handle(V3d_View) theView,
 139                                 double& theX, double& theY)
 140 {
 141   if (!theSketch)
 142     return;
 143
 144   AttributeDoublePtr anAttr;
 145   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 146
 147   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 148       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 149
 150   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 151       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 152   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 153       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 154   std::shared_ptr<GeomAPI_XYZ> anY = aNorm->xyz()->cross(aX->xyz());
 155
 156   gp_Pnt anOriginPnt(anOrigin->x(), anOrigin->y(), anOrigin->z());
 157   gp_Vec aVec(anOriginPnt, thePoint);
 158
 159   if (!theView.IsNull()) {
 160     V3d_Coordinate XEye, YEye, ZEye, XAt, YAt, ZAt;
 161     theView->Eye(XEye, YEye, ZEye);
 162
 163     theView->At(XAt, YAt, ZAt);
 164     gp_Pnt EyePoint(XEye, YEye, ZEye);
 165     gp_Pnt AtPoint(XAt, YAt, ZAt);
 166
 167     if (EyePoint.Distance(AtPoint) > gp::Resolution()) {
 168       gp_Vec anEyeVec(EyePoint, AtPoint);
 169       anEyeVec.Normalize();
 170
 171       std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 172          aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 173       gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 174
 175       double aDen = anEyeVec * aNormalVec;
 176       double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 177
 178       gp_Vec aDeltaVec = anEyeVec * aLVec;
 179       aVec = aVec - aDeltaVec;
 180     }
 181   }
 182   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 183   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 184 }
 185
 186 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 187                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 188 {
 189   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 190   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 191     return aRes;
 192   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 193       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 194   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 195       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 196   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 197       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 198   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 199   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 200 }
 201
 202
 203 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 204                                                         FeaturePtr theSketch)
 205 {
 206   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 207
 208   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 209       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 210   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 211       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 212   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 213       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 214   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 215
 216   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 217     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 218
 219   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 220 }
 221
 222 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 223 {
 224   return ModelAPI_Session::get()->moduleDocument();
 225 }
 226
 227 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 228                                     const std::string& theAttribute)
 229 {
 230   if (!theFeature)
 231     return;
 232   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 233   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 234       aData->attribute(theAttribute));
 235   if (anAttribute)
 236     anAttribute->setValue(theValue);
 237 }
 238
 239 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 240                                    bool& isValid)
 241 {
 242   isValid = false;
 243   double aValue = 0;
 244   if (theFeature) {
 245     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 246     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 247         aData->attribute(theAttribute));
 248     if (anAttribute) {
 249       aValue = anAttribute->value();
 250       isValid = true;
 251     }
 252   }
 253   return aValue;
 254 }
 255
 256 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 257                                   const std::string& theKind)
 258 {
 259   FeaturePtr aFeature;
 260   if (!theFeature)
 261     return aFeature;
 262
 263   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 264   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 265       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 266   if (anAttr) {
 267     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 268     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 269       aFeature = FeaturePtr();
 270     }
 271   }
 272   return aFeature;
 273 }
 274
 275 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 276                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 277                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 278 {
 279   FeaturePtr aFeature;
 280   if (theSketch) {
 281     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 282   } else {
 283     std::shared_ptr<ModelAPI_Document> aDoc = document();
 284     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 285   }
 286
 287   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 288
 289   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 290       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 291   aRef1->setAttr(thePoint1);
 292
 293   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 294       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 295   aRef2->setAttr(thePoint2);
 296
 297   // we need to flush created signal in order to coincidence is processed by solver
 298   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 299 }
 300
 301 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 302 {
 303   std::shared_ptr<GeomAPI_Pln> aPlane;
 304
 305   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 306       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 307   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 308       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 309
 310   if (aNormal.get() && aNormal->isInitialized() &&
 311       anOrigin.get() && anOrigin->isInitialized())
 312     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 313
 314   return aPlane;
 315 }
 316
 317 void PartSet_Tools::nullifySketchPlane(CompositeFeaturePtr theSketch)
 318 {
 319   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 320     theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 321   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 322     theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 323
 324   aNormal->reset();
 325   anOrigin->reset();
 326 }
 327
 328 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 329                                                       CompositeFeaturePtr theSketch)
 330 {
 331   std::shared_ptr<GeomAPI_Pnt> aPoint;
 332   if (!theSketch || !thePoint2D)
 333     return aPoint;
 334
 335   DataPtr aData = theSketch->data();
 336   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 337       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 338   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 339       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 340   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 341       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 342   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 343
 344   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 345 }
 346
 347 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 348                                                    const ObjectPtr& theObject,
 349                                                    CompositeFeaturePtr theSketch)
 350 {
 351   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 352   if (!aResult.get())
 353     return ResultPtr();
 354
 355   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 356     FeaturePtr aFeature = theSketch->subFeature(i);
 357     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 358       continue;
 359     if (aFeature->lastResult() == aResult)
 360       return aResult;
 361   }
 362   return ResultPtr();
 363 }
 364
 365 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 366                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 367                                    const ObjectPtr& theObject,
 368                                    CompositeFeaturePtr theSketch,
 369                                    const bool theTemporary,
 370                                    FeaturePtr& theCreatedFeature)
 371 {
 372   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 373   if (!aResult.get())
 374     return ResultPtr();
 375
 376   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 377   theCreatedFeature = aProjectionFeature;
 378   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 379                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 380   anExternalAttr->setValue(aResult, theShape);
 381
 382   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 383     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 384   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 385   aProjectionFeature->execute();
 386
 387   // if projection feature has not been created, exit
 388   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 389     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 390   if (!aRefAttr || !aRefAttr->isInitialized())
 391   {
 392     // remove external feature if the attribute is not filled
 393     std::set<FeaturePtr> aFeatures;
 394     aFeatures.insert(aProjectionFeature);
 395     ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 396     return ResultPtr();
 397   }
 398
 399   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 400   if (aProjection.get() && aProjection->lastResult().get())
 401     return aProjection->lastResult();
 402
 403   return ResultPtr();
 404 }
 405
 406 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 407                                           const ModuleBase_ViewerPrsPtr& thePrs)
 408 {
 409   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 410     if (aPrs->object() == thePrs->object())
 411       return true;
 412   }
 413   return false;
 414 }
 415
 416 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 417                                                        ModuleBase_IWorkshop* theWorkshop)
 418 {
 419   GeomShapePtr aShape;
 420   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 421   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 422
 423   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 424   // the same, return it
 425   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 426   // 2.1 get visualized results of the feature
 427   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 428   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 429   for (; anIt != aLast; anIt++) {
 430     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 431     if (aAISObj.get() != NULL) {
 432       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 433       // 2.2 find selected owners of a visualizedd object
 434       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 435       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 436       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 437         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 438         if (!anOwner.IsNull()) {
 439           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 440           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 441             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 442             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 443               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 444               // attribute, returns the shape
 445               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 446               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 447               std::pair<AttributePtr, int> aPntAttrIndex = PartSet_Tools::findAttributeBy2dPoint(
 448                   anAttributeFeature, aBRepShape, aSketchMgr->activeSketch());
 449               if (aPntAttrIndex.first.get() != NULL && aPntAttrIndex.first == theAttribute) {
 450                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 451                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 452                 break;
 453               }
 454             }
 455           }
 456         }
 457       }
 458     }
 459   }
 460   return aShape;
 461 }
 462
 463 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 464                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 465                                                   const std::string& theAttribute)
 466 {
 467   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 468                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 469                                           SketchPlugin_Point::COORD_ID());
 470   if (aPointAttr.get() != NULL)
 471     return aPointAttr->pnt();
 472   return std::shared_ptr<GeomAPI_Pnt2d>();
 473 }
 474
 475 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 476                                                 ModuleBase_IViewWindow* theWindow,
 477                                                 const FeaturePtr& theSketch)
 478 {
 479   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 480   double aX, anY;
 481   Handle(V3d_View) aView = theWindow->v3dView();
 482   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 483
 484   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 485 }
 486
 487 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(const Handle(V3d_View)& theView,
 488                                                        const TopoDS_Shape& theShape,
 489                                                        const FeaturePtr& theSketch)
 490 {
 491   GeomPnt2dPtr aPoint2D;
 492   if (!theShape.IsNull() && theShape.ShapeType() == TopAbs_VERTEX) {
 493     const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 494     if (!aVertex.IsNull()) {
 495       // the case when the point is taken from the existing vertex
 496       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 497       double aX, aY;
 498       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, aY);
 499       aPoint2D.reset(new GeomAPI_Pnt2d(aX, aY));
 500     }
 501   }
 502   return aPoint2D;
 503 }
 504
 505 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 506                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 507 {
 508   FeaturePtr aCoincident;
 509
 510   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 511   std::set<AttributePtr>::const_iterator aIt;
 512   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 513     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 514     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 515     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 516       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 517         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 518       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 519         aCoincident = aConstrFeature;
 520         break;
 521       } else {
 522         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 523                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 524         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 525           aCoincident = aConstrFeature;
 526           break;
 527         }
 528       }
 529     }
 530   }
 531   return aCoincident;
 532 }
 533
 534 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 535                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 536 {
 537   FeaturePtr aCoincident;
 538   if (theFeature.get() == NULL)
 539     return aCoincident;
 540
 541   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 542   std::set<AttributePtr>::const_iterator aIt;
 543   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 544     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 545     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 546     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 547       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 548         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 549       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 550         aCoincident = aConstrFeature;
 551         break;
 552       } else {
 553         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 554                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 555         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 556           aCoincident = aConstrFeature;
 557           break;
 558         }
 559       }
 560     }
 561   }
 562   /// Find by result
 563   if (!aCoincident.get()) {
 564     std::list<ResultPtr> aResults = theFeature->results();
 565     std::list<ResultPtr>::const_iterator aIt;
 566     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 567       ResultPtr aResult = *aIt;
 568       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 569       if (aCoincident.get())
 570         break;
 571     }
 572   }
 573   return aCoincident;
 574 }
 575
 576 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 577                                      QList<FeaturePtr>& theCoincidencies,
 578                                      std::string theAttr, QList<bool>& theIsAttributes)
 579 {
 580   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 581   if (aOrig.get() == NULL)
 582     return;
 583
 584   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 585   if (!aPnt)
 586     return;
 587   ObjectPtr aObj = aPnt->object();
 588   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 589   if (aFeature.get()) {
 590     if (!theList.contains(aFeature)) {
 591       theList.append(aFeature);
 592       theCoincidencies.append(theStartCoin);
 593       theIsAttributes.append(true); // point attribute on a feature
 594       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 595       std::set<AttributePtr>::const_iterator aIt;
 596       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 597         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 598         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 599         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 600           if (!theCoincidencies.contains(aConstrFeature)) {
 601             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 602             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 603               findCoincidences(aConstrFeature, theList, theCoincidencies,
 604                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 605               findCoincidences(aConstrFeature, theList, theCoincidencies,
 606                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 607             }
 608           }
 609         }
 610       }
 611     }
 612   } else {
 613     // Find by Results
 614     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 615     if (aResult.get()) {
 616       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 617       if (!theList.contains(aFeature))
 618         theList.append(aFeature);
 619       theCoincidencies.append(theStartCoin);
 620       theIsAttributes.append(false); // point attribute on a feature
 621
 622       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 623       std::set<AttributePtr>::const_iterator aIt;
 624       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 625         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 626         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 627         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 628           if (!theCoincidencies.contains(aConstrFeature)) {
 629             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 630             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 631               findCoincidences(aConstrFeature, theList, theCoincidencies,
 632                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 633               findCoincidences(aConstrFeature, theList, theCoincidencies,
 634                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 635             }
 636           }
 637         }
 638       }
 639     }
 640   }
 641 }
 642
 643 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 644 {
 645   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 646                                                         SketchPlugin_Constraint::ENTITY_A());
 647   if (aPnt.get() == NULL)
 648     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 649   return aPnt;
 650 }
 651
 652 class PointWrapper
 653 {
 654 public:
 655   PointWrapper(AttributePtr theAttribute)
 656     : myPoint(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute)),
 657       myArray(std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(theAttribute))
 658   {}
 659
 660   int size() const { return myPoint.get() ? 1 : (myArray.get() ? myArray->size() : 0); }
 661
 662   GeomPointPtr point(int theIndex, FeaturePtr theSketch)
 663   {
 664     GeomPnt2dPtr aP2d;
 665     if (myPoint.get())
 666       aP2d = myPoint->pnt();
 667     else if (myArray.get())
 668       aP2d = myArray->pnt(theIndex);
 669
 670     GeomPointPtr aP3d;
 671     if (aP2d.get())
 672       aP3d = PartSet_Tools::convertTo3D(aP2d->x(), aP2d->y(), theSketch);
 673     return aP3d;
 674   }
 675
 676   bool isArray() const { return myArray.get(); }
 677
 678 private:
 679   AttributePoint2DPtr myPoint;
 680   AttributePoint2DArrayPtr myArray;
 681 };
 682
 683 std::pair<AttributePtr, int> PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 684                                                                    const TopoDS_Shape theShape,
 685                                                                    FeaturePtr theSketch)
 686 {
 687
 688   AttributePtr anAttribute;
 689   int aPointIndex = -1;
 690   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 691   if (aFeature) {
 692     if (theShape.ShapeType() == TopAbs_VERTEX) {
 693       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 694       if (!aVertex.IsNull())  {
 695         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 696         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 697             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 698
 699         // find the given point in the feature attributes
 700         std::list<AttributePtr> anAttiributes =
 701           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 702         std::list<AttributePtr> anArrays =
 703           aFeature->data()->attributes(GeomDataAPI_Point2DArray::typeId());
 704         anAttiributes.insert(anAttiributes.end(), anArrays.begin(), anArrays.end());
 705
 706         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 707                                                 aLast = anAttiributes.end();
 708         double aMinDistance = 1.e-6; // searching for point with minimal distance and < 1.e-6
 709         for (; anIt != aLast && !anAttribute; anIt++) {
 710           PointWrapper aWrapper(*anIt);
 711           for (int anIndex = 0, aSize = aWrapper.size(); anIndex < aSize; ++anIndex) {
 712             std::shared_ptr<GeomAPI_Pnt> aPnt = aWrapper.point(anIndex, theSketch);
 713             if (aPnt) {
 714               double aDistance = aPnt->distance(aValue);
 715               if (aDistance < aMinDistance) {
 716                 anAttribute = *anIt;
 717                 if (aWrapper.isArray())
 718                   aPointIndex = anIndex;
 719                 aMinDistance = aPnt->distance(aValue);
 720               }
 721             }
 722           }
 723         }
 724       }
 725     }
 726   }
 727   return std::pair<AttributePtr, int>(anAttribute, aPointIndex);
 728 }
 729
 730 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 731                                          const Events_ID theEventId)
 732 {
 733   if (!theComposite.get())
 734     return;
 735
 736   static Events_Loop* aLoop = Events_Loop::loop();
 737   int aNumberOfSubs = theComposite->numberOfSubs();
 738   for (int i = 0; i < aNumberOfSubs; i++) {
 739     FeaturePtr aSubFeature = theComposite->subFeature(i);
 740     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 741     aECreator->sendUpdated(aSubFeature, theEventId);
 742   }
 743   Events_Loop::loop()->flush(theEventId);
 744 }
 745
 746 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 747 {
 748   bool isAuxiliaryFeature = false;
 749
 750   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 751   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 752   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 753                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 754   if (anAuxiliaryAttr.get())
 755     isAuxiliaryFeature = anAuxiliaryAttr->value();
 756
 757
 758   return isAuxiliaryFeature;
 759 }
 760
 761 bool PartSet_Tools::isIncludeIntoSketchResult(const ObjectPtr& theObject)
 762 {
 763   // check the feature is neither Projection nor IntersectionPoint feature
 764   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 765   if (aFeature->getKind() == SketchPlugin_Projection::ID() ||
 766       aFeature->getKind() == SketchPlugin_IntersectionPoint::ID())
 767     return false;
 768
 769   // go through the references to the feature to check
 770   // if it was created by Projection or Intersection
 771   const std::set<AttributePtr>& aRefs = theObject->data()->refsToMe();
 772   for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 773        aRefIt != aRefs.end(); ++aRefIt) {
 774     AttributePtr anAttr = *aRefIt;
 775     std::string anIncludeToResultAttrName;
 776     if (anAttr->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 777       anIncludeToResultAttrName = SketchPlugin_Projection::INCLUDE_INTO_RESULT();
 778     else if (anAttr->id() == SketchPlugin_IntersectionPoint::INTERSECTION_POINTS_ID())
 779       anIncludeToResultAttrName = SketchPlugin_IntersectionPoint::INCLUDE_INTO_RESULT();
 780
 781     if (!anIncludeToResultAttrName.empty()) {
 782       // check "include into result" flag
 783       FeaturePtr aParent = ModelAPI_Feature::feature(anAttr->owner());
 784       return aParent->boolean(anIncludeToResultAttrName)->value();
 785     }
 786   }
 787   return true;
 788 }
 789
 790
 791 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 792     const ObjectPtr& theObject,
 793     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 794     ModelAPI_AttributeSelection::CenterType theType,
 795     const CompositeFeaturePtr& theSketch,
 796     bool theTemporary,
 797     FeaturePtr& theCreatedFeature)
 798 {
 799   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 800   if (!aResult.get())
 801     return ResultPtr();
 802
 803   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 804   theCreatedFeature = aProjectionFeature;
 805   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 806                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 807   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 808
 809   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 810     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 811   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 812   aProjectionFeature->execute();
 813
 814   // if projection feature has not been created, exit
 815   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 816     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 817   if (!aRefAttr || !aRefAttr->isInitialized())
 818     return ResultPtr();
 819
 820   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 821   if (aProjection.get() && aProjection->lastResult().get())
 822     return aProjection->lastResult();
 823
 824   return ResultPtr();
 825 }
 826
 827 void PartSet_Tools::getFirstAndLastIndexInFolder(const ObjectPtr& theFolder,
 828   int& theFirst, int& theLast)
 829 {
 830   theFirst = -1;
 831   theLast = -1;
 832
 833   DocumentPtr aDoc = theFolder->document();
 834   FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(theFolder);
 835   if (!aFolder.get())
 836     return;
 837
 838   AttributeReferencePtr aFirstFeatAttr =
 839     aFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
 840   if (!aFirstFeatAttr.get())
 841     return;
 842   FeaturePtr aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
 843   if (!aFirstFeatureInFolder.get())
 844     return;
 845
 846   FeaturePtr aLastFeatureInFolder = aFolder->lastVisibleFeature();
 847   if (!aLastFeatureInFolder.get())
 848     return;
 849
 850   theFirst = aDoc->index(aFirstFeatureInFolder);
 851   theLast = aDoc->index(aLastFeatureInFolder);
 852 }
 853
 854
 855 void PartSet_Tools::getDefaultColor(ObjectPtr theObject, const bool isEmptyColorValid,
 856   std::vector<int>& theColor)
 857 {
 858   theColor.clear();
 859   // get default color from the preferences manager for the given result
 860   if (theColor.empty()) {
 861     std::string aSection, aName, aDefault;
 862     theObject->colorConfigInfo(aSection, aName, aDefault);
 863     if (!aSection.empty() && !aName.empty()) {
 864       theColor = Config_PropManager::color(aSection, aName);
 865     }
 866   }
 867   if (!isEmptyColorValid && theColor.empty()) {
 868     // all AIS objects, where the color is not set, are in black.
 869     // The color should be defined in XML or set in the attribute
 870     theColor = Config_PropManager::color("Visualization", "object_default_color");
 871     Events_InfoMessage("PartSet_Tools",
 872       "A default color is not defined in the preferences for this result type").send();
 873   }
 874 }
 875
 876 double PartSet_Tools::getDefaultDeflection(const ObjectPtr& theObject)
 877 {
 878   double aDeflection = -1;
 879   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 880   if (aResult.get()) {
 881     bool isConstruction = false;
 882
 883     std::string aResultGroup = aResult->groupName();
 884     if (aResultGroup == ModelAPI_ResultConstruction::group())
 885       isConstruction = true;
 886     else if (aResultGroup == ModelAPI_ResultBody::group()) {
 887       GeomShapePtr aGeomShape = aResult->shape();
 888       if (aGeomShape.get()) {
 889         // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 890         // correction of deviation for them should not influence to the application performance
 891         GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 892         isConstruction = !anExp.more();
 893       }
 894     }
 895     if (isConstruction)
 896       aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 897     else
 898       aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 899   }
 900   return aDeflection;
 901 }
 902
 903
 904 double PartSet_Tools::getDefaultTransparency()
 905 {
 906   return Config_PropManager::integer("Visualization", "shaper_default_transparency") / 100.;
 907 }
 908
 909 QCursor PartSet_Tools::getOperationCursor()
 910 {
 911   int aId = Config_PropManager::integer(SKETCH_TAB_NAME, "operation_cursor");
 912   switch (aId) {
 913   case 0:
 914     return QCursor(Qt::ArrowCursor);
 915   case 1:
 916     return QCursor(Qt::CrossCursor);
 917   case 2:
 918     return QCursor(Qt::PointingHandCursor);
 919   }
 920   return QCursor();
 921 }