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     if (EyePoint.Distance(AtPoint) > gp::Resolution()) {
 172       gp_Vec anEyeVec(EyePoint, AtPoint);
 173       anEyeVec.Normalize();
 174
 175       std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 176          aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 177       gp_Vec aNormalVec(aNormal->x(), aNormal->y(), aNormal->z());
 178
 179       double aDen = anEyeVec * aNormalVec;
 180       double aLVec = aDen != 0 ? aVec * aNormalVec / aDen : DBL_MAX;
 181
 182       gp_Vec aDeltaVec = anEyeVec * aLVec;
 183       aVec = aVec - aDeltaVec;
 184     }
 185   }
 186   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 187   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 188 }
 189
 190 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 191                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 192 {
 193   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 194   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 195     return aRes;
 196   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 197       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 198   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 199       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 200   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 201       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 202   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 203   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 204 }
 205
 206
 207 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 208                                                         FeaturePtr theSketch)
 209 {
 210   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 211
 212   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 213       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 214   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 215       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 216   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 217       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 218   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 219
 220   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 221     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 222
 223   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 224 }
 225
 226 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 227 {
 228   return ModelAPI_Session::get()->moduleDocument();
 229 }
 230
 231 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 232                                     const std::string& theAttribute)
 233 {
 234   if (!theFeature)
 235     return;
 236   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 237   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 238       aData->attribute(theAttribute));
 239   if (anAttribute)
 240     anAttribute->setValue(theValue);
 241 }
 242
 243 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 244                                    bool& isValid)
 245 {
 246   isValid = false;
 247   double aValue = 0;
 248   if (theFeature) {
 249     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 250     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 251         aData->attribute(theAttribute));
 252     if (anAttribute) {
 253       aValue = anAttribute->value();
 254       isValid = true;
 255     }
 256   }
 257   return aValue;
 258 }
 259
 260 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 261                                   const std::string& theKind)
 262 {
 263   FeaturePtr aFeature;
 264   if (!theFeature)
 265     return aFeature;
 266
 267   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 268   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 269       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 270   if (anAttr) {
 271     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 272     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 273       aFeature = FeaturePtr();
 274     }
 275   }
 276   return aFeature;
 277 }
 278
 279 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 280                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 281                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 282 {
 283   FeaturePtr aFeature;
 284   if (theSketch) {
 285     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 286   } else {
 287     std::shared_ptr<ModelAPI_Document> aDoc = document();
 288     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 289   }
 290
 291   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 292
 293   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 294       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 295   aRef1->setAttr(thePoint1);
 296
 297   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 298       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 299   aRef2->setAttr(thePoint2);
 300
 301   // we need to flush created signal in order to coincidence is processed by solver
 302   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 303 }
 304
 305 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 306 {
 307   std::shared_ptr<GeomAPI_Pln> aPlane;
 308
 309   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 310       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 311   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 312       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 313
 314   if (aNormal.get() && aNormal->isInitialized() &&
 315       anOrigin.get() && anOrigin->isInitialized())
 316     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 317
 318   return aPlane;
 319 }
 320
 321 void PartSet_Tools::nullifySketchPlane(CompositeFeaturePtr theSketch)
 322 {
 323   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 324     theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 325   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 326     theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 327
 328   aNormal->reset();
 329   anOrigin->reset();
 330 }
 331
 332 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 333                                                       CompositeFeaturePtr theSketch)
 334 {
 335   std::shared_ptr<GeomAPI_Pnt> aPoint;
 336   if (!theSketch || !thePoint2D)
 337     return aPoint;
 338
 339   DataPtr aData = theSketch->data();
 340   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 341       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 342   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 343       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 344   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 345       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 346   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 347
 348   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 349 }
 350
 351 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 352                                                    const ObjectPtr& theObject,
 353                                                    CompositeFeaturePtr theSketch)
 354 {
 355   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 356   if (!aResult.get())
 357     return ResultPtr();
 358
 359   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 360     FeaturePtr aFeature = theSketch->subFeature(i);
 361     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 362       continue;
 363     if (aFeature->lastResult() == aResult)
 364       return aResult;
 365   }
 366   return ResultPtr();
 367 }
 368
 369 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 370                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 371                                    const ObjectPtr& theObject,
 372                                    CompositeFeaturePtr theSketch,
 373                                    const bool theTemporary,
 374                                    FeaturePtr& theCreatedFeature)
 375 {
 376   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 377   if (!aResult.get())
 378     return ResultPtr();
 379
 380   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 381   theCreatedFeature = aProjectionFeature;
 382   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 383                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 384   anExternalAttr->setValue(aResult, theShape);
 385
 386   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 387     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 388   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 389   aProjectionFeature->execute();
 390
 391   // if projection feature has not been created, exit
 392   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 393     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 394   if (!aRefAttr || !aRefAttr->isInitialized())
 395   {
 396     // remove external feature if the attribute is not filled
 397     std::set<FeaturePtr> aFeatures;
 398     aFeatures.insert(aProjectionFeature);
 399     ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 400     return ResultPtr();
 401   }
 402
 403   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 404   if (aProjection.get() && aProjection->lastResult().get())
 405     return aProjection->lastResult();
 406
 407   return ResultPtr();
 408 }
 409
 410 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 411                                           const ModuleBase_ViewerPrsPtr& thePrs)
 412 {
 413   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 414     if (aPrs->object() == thePrs->object())
 415       return true;
 416   }
 417   return false;
 418 }
 419
 420 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 421                                                        ModuleBase_IWorkshop* theWorkshop)
 422 {
 423   GeomShapePtr aShape;
 424   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 425   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 426
 427   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 428   // the same, return it
 429   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 430   // 2.1 get visualized results of the feature
 431   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 432   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 433   for (; anIt != aLast; anIt++) {
 434     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 435     if (aAISObj.get() != NULL) {
 436       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 437       // 2.2 find selected owners of a visualizedd object
 438       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 439       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 440       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 441         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 442         if (!anOwner.IsNull()) {
 443           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 444           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 445             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 446             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 447               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 448               // attribute, returns the shape
 449               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 450               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 451               std::pair<AttributePtr, int> aPntAttrIndex = PartSet_Tools::findAttributeBy2dPoint(
 452                   anAttributeFeature, aBRepShape, aSketchMgr->activeSketch());
 453               if (aPntAttrIndex.first.get() != NULL && aPntAttrIndex.first == theAttribute) {
 454                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 455                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 456                 break;
 457               }
 458             }
 459           }
 460         }
 461       }
 462     }
 463   }
 464   return aShape;
 465 }
 466
 467 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 468                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 469                                                   const std::string& theAttribute)
 470 {
 471   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 472                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 473                                           SketchPlugin_Point::COORD_ID());
 474   if (aPointAttr.get() != NULL)
 475     return aPointAttr->pnt();
 476   return std::shared_ptr<GeomAPI_Pnt2d>();
 477 }
 478
 479 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 480                                                 ModuleBase_IViewWindow* theWindow,
 481                                                 const FeaturePtr& theSketch)
 482 {
 483   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 484   double aX, anY;
 485   Handle(V3d_View) aView = theWindow->v3dView();
 486   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 487
 488   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 489 }
 490
 491 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(const Handle(V3d_View)& theView,
 492                                                        const TopoDS_Shape& theShape,
 493                                                        const FeaturePtr& theSketch)
 494 {
 495   GeomPnt2dPtr aPoint2D;
 496   if (!theShape.IsNull() && theShape.ShapeType() == TopAbs_VERTEX) {
 497     const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 498     if (!aVertex.IsNull()) {
 499       // the case when the point is taken from the existing vertex
 500       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 501       double aX, aY;
 502       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, aY);
 503       aPoint2D.reset(new GeomAPI_Pnt2d(aX, aY));
 504     }
 505   }
 506   return aPoint2D;
 507 }
 508
 509 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 510                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 511 {
 512   FeaturePtr aCoincident;
 513
 514   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 515   std::set<AttributePtr>::const_iterator aIt;
 516   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 517     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 518     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 519     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 520       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 521         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 522       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 523         aCoincident = aConstrFeature;
 524         break;
 525       } else {
 526         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 527                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 528         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 529           aCoincident = aConstrFeature;
 530           break;
 531         }
 532       }
 533     }
 534   }
 535   return aCoincident;
 536 }
 537
 538 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 539                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 540 {
 541   FeaturePtr aCoincident;
 542   if (theFeature.get() == NULL)
 543     return aCoincident;
 544
 545   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 546   std::set<AttributePtr>::const_iterator aIt;
 547   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 548     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 549     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 550     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 551       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 552         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 553       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 554         aCoincident = aConstrFeature;
 555         break;
 556       } else {
 557         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 558                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 559         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 560           aCoincident = aConstrFeature;
 561           break;
 562         }
 563       }
 564     }
 565   }
 566   /// Find by result
 567   if (!aCoincident.get()) {
 568     std::list<ResultPtr> aResults = theFeature->results();
 569     std::list<ResultPtr>::const_iterator aIt;
 570     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 571       ResultPtr aResult = *aIt;
 572       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 573       if (aCoincident.get())
 574         break;
 575     }
 576   }
 577   return aCoincident;
 578 }
 579
 580 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 581                                      QList<FeaturePtr>& theCoincidencies,
 582                                      std::string theAttr, QList<bool>& theIsAttributes)
 583 {
 584   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 585   if (aOrig.get() == NULL)
 586     return;
 587
 588   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 589   if (!aPnt)
 590     return;
 591   ObjectPtr aObj = aPnt->object();
 592   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 593   if (aFeature.get()) {
 594     if (!theList.contains(aFeature)) {
 595       theList.append(aFeature);
 596       theCoincidencies.append(theStartCoin);
 597       theIsAttributes.append(true); // point attribute on a feature
 598       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 599       std::set<AttributePtr>::const_iterator aIt;
 600       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 601         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 602         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 603         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 604           if (!theCoincidencies.contains(aConstrFeature)) {
 605             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 606             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 607               findCoincidences(aConstrFeature, theList, theCoincidencies,
 608                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 609               findCoincidences(aConstrFeature, theList, theCoincidencies,
 610                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 611             }
 612           }
 613         }
 614       }
 615     }
 616   } else {
 617     // Find by Results
 618     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 619     if (aResult.get()) {
 620       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 621       if (!theList.contains(aFeature))
 622         theList.append(aFeature);
 623       theCoincidencies.append(theStartCoin);
 624       theIsAttributes.append(false); // point attribute on a feature
 625
 626       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 627       std::set<AttributePtr>::const_iterator aIt;
 628       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 629         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 630         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 631         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 632           if (!theCoincidencies.contains(aConstrFeature)) {
 633             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 634             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 635               findCoincidences(aConstrFeature, theList, theCoincidencies,
 636                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 637               findCoincidences(aConstrFeature, theList, theCoincidencies,
 638                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 639             }
 640           }
 641         }
 642       }
 643     }
 644   }
 645 }
 646
 647 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 648 {
 649   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 650                                                         SketchPlugin_Constraint::ENTITY_A());
 651   if (aPnt.get() == NULL)
 652     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 653   return aPnt;
 654 }
 655
 656 class PointWrapper
 657 {
 658 public:
 659   PointWrapper(AttributePtr theAttribute)
 660     : myPoint(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute)),
 661       myArray(std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(theAttribute))
 662   {}
 663
 664   int size() const { return myPoint.get() ? 1 : (myArray.get() ? myArray->size() : 0); }
 665
 666   GeomPointPtr point(int theIndex, FeaturePtr theSketch)
 667   {
 668     GeomPnt2dPtr aP2d;
 669     if (myPoint.get())
 670       aP2d = myPoint->pnt();
 671     else if (myArray.get())
 672       aP2d = myArray->pnt(theIndex);
 673
 674     GeomPointPtr aP3d;
 675     if (aP2d.get())
 676       aP3d = PartSet_Tools::convertTo3D(aP2d->x(), aP2d->y(), theSketch);
 677     return aP3d;
 678   }
 679
 680   bool isArray() const { return myArray.get(); }
 681
 682 private:
 683   AttributePoint2DPtr myPoint;
 684   AttributePoint2DArrayPtr myArray;
 685 };
 686
 687 std::pair<AttributePtr, int> PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 688                                                                    const TopoDS_Shape theShape,
 689                                                                    FeaturePtr theSketch)
 690 {
 691
 692   AttributePtr anAttribute;
 693   int aPointIndex = -1;
 694   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 695   if (aFeature) {
 696     if (theShape.ShapeType() == TopAbs_VERTEX) {
 697       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 698       if (!aVertex.IsNull())  {
 699         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 700         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 701             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 702
 703         // find the given point in the feature attributes
 704         std::list<AttributePtr> anAttiributes =
 705           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 706         std::list<AttributePtr> anArrays =
 707           aFeature->data()->attributes(GeomDataAPI_Point2DArray::typeId());
 708         anAttiributes.insert(anAttiributes.end(), anArrays.begin(), anArrays.end());
 709
 710         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 711                                                 aLast = anAttiributes.end();
 712         double aMinDistance = 1.e-6; // searching for point with minimal distance and < 1.e-6
 713         for (; anIt != aLast && !anAttribute; anIt++) {
 714           PointWrapper aWrapper(*anIt);
 715           for (int anIndex = 0, aSize = aWrapper.size(); anIndex < aSize; ++anIndex) {
 716             std::shared_ptr<GeomAPI_Pnt> aPnt = aWrapper.point(anIndex, theSketch);
 717             if (aPnt) {
 718               double aDistance = aPnt->distance(aValue);
 719               if (aDistance < aMinDistance) {
 720                 anAttribute = *anIt;
 721                 if (aWrapper.isArray())
 722                   aPointIndex = anIndex;
 723                 aMinDistance = aPnt->distance(aValue);
 724               }
 725             }
 726           }
 727         }
 728       }
 729     }
 730   }
 731   return std::pair<AttributePtr, int>(anAttribute, aPointIndex);
 732 }
 733
 734 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 735                                          const Events_ID theEventId)
 736 {
 737   if (!theComposite.get())
 738     return;
 739
 740   static Events_Loop* aLoop = Events_Loop::loop();
 741   int aNumberOfSubs = theComposite->numberOfSubs();
 742   for (int i = 0; i < aNumberOfSubs; i++) {
 743     FeaturePtr aSubFeature = theComposite->subFeature(i);
 744     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 745     aECreator->sendUpdated(aSubFeature, theEventId);
 746   }
 747   Events_Loop::loop()->flush(theEventId);
 748 }
 749
 750 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 751 {
 752   bool isAuxiliaryFeature = false;
 753
 754   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 755   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 756   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 757                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 758   if (anAuxiliaryAttr.get())
 759     isAuxiliaryFeature = anAuxiliaryAttr->value();
 760
 761
 762   return isAuxiliaryFeature;
 763 }
 764
 765 bool PartSet_Tools::isIncludeIntoSketchResult(const ObjectPtr& theObject)
 766 {
 767   // check the feature is neither Projection nor IntersectionPoint feature
 768   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 769   if (aFeature->getKind() == SketchPlugin_Projection::ID() ||
 770       aFeature->getKind() == SketchPlugin_IntersectionPoint::ID())
 771     return false;
 772
 773   // go through the references to the feature to check
 774   // if it was created by Projection or Intersection
 775   const std::set<AttributePtr>& aRefs = theObject->data()->refsToMe();
 776   for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 777        aRefIt != aRefs.end(); ++aRefIt) {
 778     AttributePtr anAttr = *aRefIt;
 779     std::string anIncludeToResultAttrName;
 780     if (anAttr->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 781       anIncludeToResultAttrName = SketchPlugin_Projection::INCLUDE_INTO_RESULT();
 782     else if (anAttr->id() == SketchPlugin_IntersectionPoint::INTERSECTION_POINTS_ID())
 783       anIncludeToResultAttrName = SketchPlugin_IntersectionPoint::INCLUDE_INTO_RESULT();
 784
 785     if (!anIncludeToResultAttrName.empty()) {
 786       // check "include into result" flag
 787       FeaturePtr aParent = ModelAPI_Feature::feature(anAttr->owner());
 788       return aParent->boolean(anIncludeToResultAttrName)->value();
 789     }
 790   }
 791   return true;
 792 }
 793
 794
 795 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 796     const ObjectPtr& theObject,
 797     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 798     ModelAPI_AttributeSelection::CenterType theType,
 799     const CompositeFeaturePtr& theSketch,
 800     bool theTemporary,
 801     FeaturePtr& theCreatedFeature)
 802 {
 803   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 804   if (!aResult.get())
 805     return ResultPtr();
 806
 807   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 808   theCreatedFeature = aProjectionFeature;
 809   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 810                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 811   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 812
 813   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 814     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 815   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 816   aProjectionFeature->execute();
 817
 818   // if projection feature has not been created, exit
 819   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 820     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 821   if (!aRefAttr || !aRefAttr->isInitialized())
 822     return ResultPtr();
 823
 824   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 825   if (aProjection.get() && aProjection->lastResult().get())
 826     return aProjection->lastResult();
 827
 828   return ResultPtr();
 829 }
 830
 831 void PartSet_Tools::getFirstAndLastIndexInFolder(const ObjectPtr& theFolder,
 832   int& theFirst, int& theLast)
 833 {
 834   theFirst = -1;
 835   theLast = -1;
 836
 837   DocumentPtr aDoc = theFolder->document();
 838   FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(theFolder);
 839   if (!aFolder.get())
 840     return;
 841
 842   AttributeReferencePtr aFirstFeatAttr =
 843     aFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
 844   if (!aFirstFeatAttr.get())
 845     return;
 846   FeaturePtr aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
 847   if (!aFirstFeatureInFolder.get())
 848     return;
 849
 850   FeaturePtr aLastFeatureInFolder = aFolder->lastVisibleFeature();
 851   if (!aLastFeatureInFolder.get())
 852     return;
 853
 854   theFirst = aDoc->index(aFirstFeatureInFolder);
 855   theLast = aDoc->index(aLastFeatureInFolder);
 856 }
 857
 858
 859 void PartSet_Tools::getDefaultColor(ObjectPtr theObject, const bool isEmptyColorValid,
 860   std::vector<int>& theColor)
 861 {
 862   theColor.clear();
 863   // get default color from the preferences manager for the given result
 864   if (theColor.empty()) {
 865     std::string aSection, aName, aDefault;
 866     theObject->colorConfigInfo(aSection, aName, aDefault);
 867     if (!aSection.empty() && !aName.empty()) {
 868       theColor = Config_PropManager::color(aSection, aName);
 869     }
 870   }
 871   if (!isEmptyColorValid && theColor.empty()) {
 872     // all AIS objects, where the color is not set, are in black.
 873     // The color should be defined in XML or set in the attribute
 874     theColor = Config_PropManager::color("Visualization", "object_default_color");
 875     Events_InfoMessage("PartSet_Tools",
 876       "A default color is not defined in the preferences for this result type").send();
 877   }
 878 }
 879
 880 double PartSet_Tools::getDefaultDeflection(const ObjectPtr& theObject)
 881 {
 882   double aDeflection = -1;
 883   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 884   if (aResult.get()) {
 885     bool isConstruction = false;
 886
 887     std::string aResultGroup = aResult->groupName();
 888     if (aResultGroup == ModelAPI_ResultConstruction::group())
 889       isConstruction = true;
 890     else if (aResultGroup == ModelAPI_ResultBody::group()) {
 891       GeomShapePtr aGeomShape = aResult->shape();
 892       if (aGeomShape.get()) {
 893         // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 894         // correction of deviation for them should not influence to the application performance
 895         GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 896         isConstruction = !anExp.more();
 897       }
 898     }
 899     if (isConstruction)
 900       aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 901     else
 902       aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 903   }
 904   return aDeflection;
 905 }
 906
 907
 908 double PartSet_Tools::getDefaultTransparency()
 909 {
 910   return Config_PropManager::integer("Visualization", "shaper_default_transparency") / 100.;
 911 }
 912
 913 QCursor PartSet_Tools::getOperationCursor()
 914 {
 915   int aId = Config_PropManager::integer(SKETCH_TAB_NAME, "operation_cursor");
 916   switch (aId) {
 917   case 0:
 918     return QCursor(Qt::ArrowCursor);
 919   case 1:
 920     return QCursor(Qt::CrossCursor);
 921   case 2:
 922     return QCursor(Qt::PointingHandCursor);
 923   }
 924   return QCursor();
 925 }