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 else {
 186   int qq = 0;
 187 }
 188   }
 189   theX = aVec.X() * aX->x() + aVec.Y() * aX->y() + aVec.Z() * aX->z();
 190   theY = aVec.X() * anY->x() + aVec.Y() * anY->y() + aVec.Z() * anY->z();
 191 }
 192
 193 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::convertTo2D(FeaturePtr theSketch,
 194                                                     const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 195 {
 196   std::shared_ptr<GeomAPI_Pnt2d> aRes;
 197   if (theSketch->getKind() != SketchPlugin_Sketch::ID())
 198     return aRes;
 199   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 200       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 201   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 202       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 203   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 204       theSketch->data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 205   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 206   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 207 }
 208
 209
 210 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::convertTo3D(const double theX, const double theY,
 211                                                         FeaturePtr theSketch)
 212 {
 213   std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
 214
 215   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 216       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 217   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 218       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 219   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 220       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 221   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 222
 223   std::shared_ptr<GeomAPI_Pnt2d> aPnt2d =
 224     std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(theX, theY));
 225
 226   return aPnt2d->to3D(aC->pnt(), aX->dir(), aY);
 227 }
 228
 229 std::shared_ptr<ModelAPI_Document> PartSet_Tools::document()
 230 {
 231   return ModelAPI_Session::get()->moduleDocument();
 232 }
 233
 234 void PartSet_Tools::setFeatureValue(FeaturePtr theFeature, double theValue,
 235                                     const std::string& theAttribute)
 236 {
 237   if (!theFeature)
 238     return;
 239   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 240   AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 241       aData->attribute(theAttribute));
 242   if (anAttribute)
 243     anAttribute->setValue(theValue);
 244 }
 245
 246 double PartSet_Tools::featureValue(FeaturePtr theFeature, const std::string& theAttribute,
 247                                    bool& isValid)
 248 {
 249   isValid = false;
 250   double aValue = 0;
 251   if (theFeature) {
 252     std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 253     AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 254         aData->attribute(theAttribute));
 255     if (anAttribute) {
 256       aValue = anAttribute->value();
 257       isValid = true;
 258     }
 259   }
 260   return aValue;
 261 }
 262
 263 FeaturePtr PartSet_Tools::feature(FeaturePtr theFeature, const std::string& theAttribute,
 264                                   const std::string& theKind)
 265 {
 266   FeaturePtr aFeature;
 267   if (!theFeature)
 268     return aFeature;
 269
 270   std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
 271   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 272       ModelAPI_AttributeRefAttr>(aData->attribute(theAttribute));
 273   if (anAttr) {
 274     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
 275     if (!theKind.empty() && aFeature && aFeature->getKind() != theKind) {
 276       aFeature = FeaturePtr();
 277     }
 278   }
 279   return aFeature;
 280 }
 281
 282 void PartSet_Tools::createConstraint(CompositeFeaturePtr theSketch,
 283                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint1,
 284                                      std::shared_ptr<GeomDataAPI_Point2D> thePoint2)
 285 {
 286   FeaturePtr aFeature;
 287   if (theSketch) {
 288     aFeature = theSketch->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 289   } else {
 290     std::shared_ptr<ModelAPI_Document> aDoc = document();
 291     aFeature = aDoc->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 292   }
 293
 294   std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
 295
 296   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef1 = std::dynamic_pointer_cast<
 297       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 298   aRef1->setAttr(thePoint1);
 299
 300   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef2 = std::dynamic_pointer_cast<
 301       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
 302   aRef2->setAttr(thePoint2);
 303
 304   // we need to flush created signal in order to coincidence is processed by solver
 305   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
 306 }
 307
 308 std::shared_ptr<GeomAPI_Pln> PartSet_Tools::sketchPlane(CompositeFeaturePtr theSketch)
 309 {
 310   std::shared_ptr<GeomAPI_Pln> aPlane;
 311
 312   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 313       theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 314   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 315       theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 316
 317   if (aNormal.get() && aNormal->isInitialized() &&
 318       anOrigin.get() && anOrigin->isInitialized())
 319     aPlane = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNormal->dir()));
 320
 321   return aPlane;
 322 }
 323
 324 void PartSet_Tools::nullifySketchPlane(CompositeFeaturePtr theSketch)
 325 {
 326   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 327     theSketch->data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 328   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 329     theSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 330
 331   aNormal->reset();
 332   anOrigin->reset();
 333 }
 334
 335 std::shared_ptr<GeomAPI_Pnt> PartSet_Tools::point3D(std::shared_ptr<GeomAPI_Pnt2d> thePoint2D,
 336                                                       CompositeFeaturePtr theSketch)
 337 {
 338   std::shared_ptr<GeomAPI_Pnt> aPoint;
 339   if (!theSketch || !thePoint2D)
 340     return aPoint;
 341
 342   DataPtr aData = theSketch->data();
 343   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 344       aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 345   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 346       aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 347   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 348       aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 349   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 350
 351   return thePoint2D->to3D(aC->pnt(), aX->dir(), aY);
 352 }
 353
 354 ResultPtr PartSet_Tools::findFixedObjectByExternal(const TopoDS_Shape& theShape,
 355                                                    const ObjectPtr& theObject,
 356                                                    CompositeFeaturePtr theSketch)
 357 {
 358   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 359   if (!aResult.get())
 360     return ResultPtr();
 361
 362   for (int i = 0, aNbSubs = theSketch->numberOfSubs(); i < aNbSubs; i++) {
 363     FeaturePtr aFeature = theSketch->subFeature(i);
 364     if (aFeature->getKind() != SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 365       continue;
 366     if (aFeature->lastResult() == aResult)
 367       return aResult;
 368   }
 369   return ResultPtr();
 370 }
 371
 372 ResultPtr PartSet_Tools::createFixedObjectByExternal(
 373                                    const std::shared_ptr<GeomAPI_Shape>& theShape,
 374                                    const ObjectPtr& theObject,
 375                                    CompositeFeaturePtr theSketch,
 376                                    const bool theTemporary,
 377                                    FeaturePtr& theCreatedFeature)
 378 {
 379   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 380   if (!aResult.get())
 381     return ResultPtr();
 382
 383   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 384   theCreatedFeature = aProjectionFeature;
 385   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 386                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 387   anExternalAttr->setValue(aResult, theShape);
 388
 389   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 390     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 391   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 392   aProjectionFeature->execute();
 393
 394   // if projection feature has not been created, exit
 395   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 396     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 397   if (!aRefAttr || !aRefAttr->isInitialized())
 398   {
 399     // remove external feature if the attribute is not filled
 400     std::set<FeaturePtr> aFeatures;
 401     aFeatures.insert(aProjectionFeature);
 402     ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 403     return ResultPtr();
 404   }
 405
 406   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 407   if (aProjection.get() && aProjection->lastResult().get())
 408     return aProjection->lastResult();
 409
 410   return ResultPtr();
 411 }
 412
 413 bool PartSet_Tools::isContainPresentation(const QList<ModuleBase_ViewerPrsPtr>& theSelected,
 414                                           const ModuleBase_ViewerPrsPtr& thePrs)
 415 {
 416   foreach (ModuleBase_ViewerPrsPtr aPrs, theSelected) {
 417     if (aPrs->object() == thePrs->object())
 418       return true;
 419   }
 420   return false;
 421 }
 422
 423 GeomShapePtr PartSet_Tools::findShapeBy2DPoint(const AttributePtr& theAttribute,
 424                                                        ModuleBase_IWorkshop* theWorkshop)
 425 {
 426   GeomShapePtr aShape;
 427   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
 428   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 429
 430   // 2. find visualized vertices of the attribute and if the attribute of the vertex is
 431   // the same, return it
 432   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(theAttribute->owner());
 433   // 2.1 get visualized results of the feature
 434   const std::list<ResultPtr>& aResList = anAttributeFeature->results();
 435   std::list<ResultPtr>::const_iterator anIt = aResList.begin(), aLast = aResList.end();
 436   for (; anIt != aLast; anIt++) {
 437     AISObjectPtr aAISObj = aDisplayer->getAISObject(*anIt);
 438     if (aAISObj.get() != NULL) {
 439       Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 440       // 2.2 find selected owners of a visualizedd object
 441       SelectMgr_IndexedMapOfOwner aSelectedOwners;
 442       aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
 443       for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
 444         Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
 445         if (!anOwner.IsNull()) {
 446           Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
 447           if (!aBRepOwner.IsNull() && aBRepOwner->HasShape()) {
 448             const TopoDS_Shape& aBRepShape = aBRepOwner->Shape();
 449             if (aBRepShape.ShapeType() == TopAbs_VERTEX) {
 450               // 2.3 if the owner is vertex and an attribute of the vertex is equal to the initial
 451               // attribute, returns the shape
 452               PartSet_Module* aModule = dynamic_cast<PartSet_Module*>(theWorkshop->module());
 453               PartSet_SketcherMgr* aSketchMgr = aModule->sketchMgr();
 454               std::pair<AttributePtr, int> aPntAttrIndex = PartSet_Tools::findAttributeBy2dPoint(
 455                   anAttributeFeature, aBRepShape, aSketchMgr->activeSketch());
 456               if (aPntAttrIndex.first.get() != NULL && aPntAttrIndex.first == theAttribute) {
 457                 aShape = std::shared_ptr<GeomAPI_Shape>(new GeomAPI_Shape);
 458                 aShape->setImpl(new TopoDS_Shape(aBRepShape));
 459                 break;
 460               }
 461             }
 462           }
 463         }
 464       }
 465     }
 466   }
 467   return aShape;
 468 }
 469
 470 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPoint(
 471                                                   std::shared_ptr<ModelAPI_Feature>& theFeature,
 472                                                   const std::string& theAttribute)
 473 {
 474   std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
 475                                           theFeature.get(), theAttribute, SketchPlugin_Point::ID(),
 476                                           SketchPlugin_Point::COORD_ID());
 477   if (aPointAttr.get() != NULL)
 478     return aPointAttr->pnt();
 479   return std::shared_ptr<GeomAPI_Pnt2d>();
 480 }
 481
 482 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(QMouseEvent* theEvent,
 483                                                 ModuleBase_IViewWindow* theWindow,
 484                                                 const FeaturePtr& theSketch)
 485 {
 486   gp_Pnt aPnt = PartSet_Tools::convertClickToPoint(theEvent->pos(), theWindow->v3dView());
 487   double aX, anY;
 488   Handle(V3d_View) aView = theWindow->v3dView();
 489   PartSet_Tools::convertTo2D(aPnt, theSketch, aView, aX, anY);
 490
 491   return std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aX, anY));
 492 }
 493
 494 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getPnt2d(const Handle(V3d_View)& theView,
 495                                                        const TopoDS_Shape& theShape,
 496                                                        const FeaturePtr& theSketch)
 497 {
 498   GeomPnt2dPtr aPoint2D;
 499   if (!theShape.IsNull() && theShape.ShapeType() == TopAbs_VERTEX) {
 500     const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 501     if (!aVertex.IsNull()) {
 502       // the case when the point is taken from the existing vertex
 503       gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 504       double aX, aY;
 505       PartSet_Tools::convertTo2D(aPoint, theSketch, theView, aX, aY);
 506       aPoint2D.reset(new GeomAPI_Pnt2d(aX, aY));
 507     }
 508   }
 509   return aPoint2D;
 510 }
 511
 512 FeaturePtr findFirstCoincidenceByData(const DataPtr& theData,
 513                                       std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 514 {
 515   FeaturePtr aCoincident;
 516
 517   const std::set<AttributePtr>& aRefsList = theData->refsToMe();
 518   std::set<AttributePtr>::const_iterator aIt;
 519   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 520     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 521     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 522     if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 523       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 524         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 525       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 526         aCoincident = aConstrFeature;
 527         break;
 528       } else {
 529         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 530                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 531         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 532           aCoincident = aConstrFeature;
 533           break;
 534         }
 535       }
 536     }
 537   }
 538   return aCoincident;
 539 }
 540
 541 FeaturePtr PartSet_Tools::findFirstCoincidence(const FeaturePtr& theFeature,
 542                                                std::shared_ptr<GeomAPI_Pnt2d> thePoint)
 543 {
 544   FeaturePtr aCoincident;
 545   if (theFeature.get() == NULL)
 546     return aCoincident;
 547
 548   const std::set<AttributePtr>& aRefsList = theFeature->data()->refsToMe();
 549   std::set<AttributePtr>::const_iterator aIt;
 550   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 551     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 552     FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 553     if (aConstrFeature && aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 554       std::shared_ptr<GeomAPI_Pnt2d> a2dPnt =
 555         PartSet_Tools::getPoint(aConstrFeature, SketchPlugin_ConstraintCoincidence::ENTITY_A());
 556       if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 557         aCoincident = aConstrFeature;
 558         break;
 559       } else {
 560         a2dPnt = PartSet_Tools::getPoint(aConstrFeature,
 561                                           SketchPlugin_ConstraintCoincidence::ENTITY_B());
 562         if (a2dPnt.get() && thePoint->isEqual(a2dPnt)) {
 563           aCoincident = aConstrFeature;
 564           break;
 565         }
 566       }
 567     }
 568   }
 569   /// Find by result
 570   if (!aCoincident.get()) {
 571     std::list<ResultPtr> aResults = theFeature->results();
 572     std::list<ResultPtr>::const_iterator aIt;
 573     for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
 574       ResultPtr aResult = *aIt;
 575       aCoincident = findFirstCoincidenceByData(aResult->data(), thePoint);
 576       if (aCoincident.get())
 577         break;
 578     }
 579   }
 580   return aCoincident;
 581 }
 582
 583 void PartSet_Tools::findCoincidences(FeaturePtr theStartCoin, QList<FeaturePtr>& theList,
 584                                      QList<FeaturePtr>& theCoincidencies,
 585                                      std::string theAttr, QList<bool>& theIsAttributes)
 586 {
 587   std::shared_ptr<GeomAPI_Pnt2d> aOrig = getCoincedencePoint(theStartCoin);
 588   if (aOrig.get() == NULL)
 589     return;
 590
 591   AttributeRefAttrPtr aPnt = theStartCoin->refattr(theAttr);
 592   if (!aPnt)
 593     return;
 594   ObjectPtr aObj = aPnt->object();
 595   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 596   if (aFeature.get()) {
 597     if (!theList.contains(aFeature)) {
 598       theList.append(aFeature);
 599       theCoincidencies.append(theStartCoin);
 600       theIsAttributes.append(true); // point attribute on a feature
 601       const std::set<AttributePtr>& aRefsList = aFeature->data()->refsToMe();
 602       std::set<AttributePtr>::const_iterator aIt;
 603       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 604         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 605         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 606         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 607           if (!theCoincidencies.contains(aConstrFeature)) {
 608             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 609             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 610               findCoincidences(aConstrFeature, theList, theCoincidencies,
 611                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 612               findCoincidences(aConstrFeature, theList, theCoincidencies,
 613                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 614             }
 615           }
 616         }
 617       }
 618     }
 619   } else {
 620     // Find by Results
 621     ResultConstructionPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
 622     if (aResult.get()) {
 623       FeaturePtr aFeature = ModelAPI_Feature::feature(aPnt->object());
 624       if (!theList.contains(aFeature))
 625         theList.append(aFeature);
 626       theCoincidencies.append(theStartCoin);
 627       theIsAttributes.append(false); // point attribute on a feature
 628
 629       const std::set<AttributePtr>& aRefsList = aResult->data()->refsToMe();
 630       std::set<AttributePtr>::const_iterator aIt;
 631       for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 632         std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 633         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 634         if (aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 635           if (!theCoincidencies.contains(aConstrFeature)) {
 636             std::shared_ptr<GeomAPI_Pnt2d> aPnt = getCoincedencePoint(aConstrFeature);
 637             if (aPnt.get() && aOrig->isEqual(aPnt)) {
 638               findCoincidences(aConstrFeature, theList, theCoincidencies,
 639                 SketchPlugin_ConstraintCoincidence::ENTITY_A(), theIsAttributes);
 640               findCoincidences(aConstrFeature, theList, theCoincidencies,
 641                 SketchPlugin_ConstraintCoincidence::ENTITY_B(), theIsAttributes);
 642             }
 643           }
 644         }
 645       }
 646     }
 647   }
 648 }
 649
 650 std::shared_ptr<GeomAPI_Pnt2d> PartSet_Tools::getCoincedencePoint(FeaturePtr theStartCoin)
 651 {
 652   std::shared_ptr<GeomAPI_Pnt2d> aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(),
 653                                                         SketchPlugin_Constraint::ENTITY_A());
 654   if (aPnt.get() == NULL)
 655     aPnt = SketcherPrs_Tools::getPoint(theStartCoin.get(), SketchPlugin_Constraint::ENTITY_B());
 656   return aPnt;
 657 }
 658
 659 class PointWrapper
 660 {
 661 public:
 662   PointWrapper(AttributePtr theAttribute)
 663     : myPoint(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(theAttribute)),
 664       myArray(std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(theAttribute))
 665   {}
 666
 667   int size() const { return myPoint.get() ? 1 : (myArray.get() ? myArray->size() : 0); }
 668
 669   GeomPointPtr point(int theIndex, FeaturePtr theSketch)
 670   {
 671     GeomPnt2dPtr aP2d;
 672     if (myPoint.get())
 673       aP2d = myPoint->pnt();
 674     else if (myArray.get())
 675       aP2d = myArray->pnt(theIndex);
 676
 677     GeomPointPtr aP3d;
 678     if (aP2d.get())
 679       aP3d = PartSet_Tools::convertTo3D(aP2d->x(), aP2d->y(), theSketch);
 680     return aP3d;
 681   }
 682
 683   bool isArray() const { return myArray.get(); }
 684
 685 private:
 686   AttributePoint2DPtr myPoint;
 687   AttributePoint2DArrayPtr myArray;
 688 };
 689
 690 std::pair<AttributePtr, int> PartSet_Tools::findAttributeBy2dPoint(ObjectPtr theObj,
 691                                                                    const TopoDS_Shape theShape,
 692                                                                    FeaturePtr theSketch)
 693 {
 694
 695   AttributePtr anAttribute;
 696   int aPointIndex = -1;
 697   FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
 698   if (aFeature) {
 699     if (theShape.ShapeType() == TopAbs_VERTEX) {
 700       const TopoDS_Vertex& aVertex = TopoDS::Vertex(theShape);
 701       if (!aVertex.IsNull())  {
 702         gp_Pnt aPoint = BRep_Tool::Pnt(aVertex);
 703         std::shared_ptr<GeomAPI_Pnt> aValue = std::shared_ptr<GeomAPI_Pnt>(
 704             new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z()));
 705
 706         // find the given point in the feature attributes
 707         std::list<AttributePtr> anAttiributes =
 708           aFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 709         std::list<AttributePtr> anArrays =
 710           aFeature->data()->attributes(GeomDataAPI_Point2DArray::typeId());
 711         anAttiributes.insert(anAttiributes.end(), anArrays.begin(), anArrays.end());
 712
 713         std::list<AttributePtr>::const_iterator anIt = anAttiributes.begin(),
 714                                                 aLast = anAttiributes.end();
 715         double aMinDistance = 1.e-6; // searching for point with minimal distance and < 1.e-6
 716         for (; anIt != aLast && !anAttribute; anIt++) {
 717           PointWrapper aWrapper(*anIt);
 718           for (int anIndex = 0, aSize = aWrapper.size(); anIndex < aSize; ++anIndex) {
 719             std::shared_ptr<GeomAPI_Pnt> aPnt = aWrapper.point(anIndex, theSketch);
 720             if (aPnt) {
 721               double aDistance = aPnt->distance(aValue);
 722               if (aDistance < aMinDistance) {
 723                 anAttribute = *anIt;
 724                 if (aWrapper.isArray())
 725                   aPointIndex = anIndex;
 726                 aMinDistance = aPnt->distance(aValue);
 727               }
 728             }
 729           }
 730         }
 731       }
 732     }
 733   }
 734   return std::pair<AttributePtr, int>(anAttribute, aPointIndex);
 735 }
 736
 737 void PartSet_Tools::sendSubFeaturesEvent(const CompositeFeaturePtr& theComposite,
 738                                          const Events_ID theEventId)
 739 {
 740   if (!theComposite.get())
 741     return;
 742
 743   static Events_Loop* aLoop = Events_Loop::loop();
 744   int aNumberOfSubs = theComposite->numberOfSubs();
 745   for (int i = 0; i < aNumberOfSubs; i++) {
 746     FeaturePtr aSubFeature = theComposite->subFeature(i);
 747     static const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
 748     aECreator->sendUpdated(aSubFeature, theEventId);
 749   }
 750   Events_Loop::loop()->flush(theEventId);
 751 }
 752
 753 bool PartSet_Tools::isAuxiliarySketchEntity(const ObjectPtr& theObject)
 754 {
 755   bool isAuxiliaryFeature = false;
 756
 757   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
 758   std::string anAuxiliaryAttribute = SketchPlugin_SketchEntity::AUXILIARY_ID();
 759   AttributeBooleanPtr anAuxiliaryAttr = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
 760                                     anObjectFeature->data()->attribute(anAuxiliaryAttribute));
 761   if (anAuxiliaryAttr.get())
 762     isAuxiliaryFeature = anAuxiliaryAttr->value();
 763
 764
 765   return isAuxiliaryFeature;
 766 }
 767
 768 bool PartSet_Tools::isIncludeIntoSketchResult(const ObjectPtr& theObject)
 769 {
 770   // check the feature is neither Projection nor IntersectionPoint feature
 771   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 772   if (aFeature->getKind() == SketchPlugin_Projection::ID() ||
 773       aFeature->getKind() == SketchPlugin_IntersectionPoint::ID())
 774     return false;
 775
 776   // go through the references to the feature to check
 777   // if it was created by Projection or Intersection
 778   const std::set<AttributePtr>& aRefs = theObject->data()->refsToMe();
 779   for (std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 780        aRefIt != aRefs.end(); ++aRefIt) {
 781     AttributePtr anAttr = *aRefIt;
 782     std::string anIncludeToResultAttrName;
 783     if (anAttr->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID())
 784       anIncludeToResultAttrName = SketchPlugin_Projection::INCLUDE_INTO_RESULT();
 785     else if (anAttr->id() == SketchPlugin_IntersectionPoint::INTERSECTION_POINTS_ID())
 786       anIncludeToResultAttrName = SketchPlugin_IntersectionPoint::INCLUDE_INTO_RESULT();
 787
 788     if (!anIncludeToResultAttrName.empty()) {
 789       // check "include into result" flag
 790       FeaturePtr aParent = ModelAPI_Feature::feature(anAttr->owner());
 791       return aParent->boolean(anIncludeToResultAttrName)->value();
 792     }
 793   }
 794   return true;
 795 }
 796
 797
 798 ResultPtr PartSet_Tools::createFixedByExternalCenter(
 799     const ObjectPtr& theObject,
 800     const std::shared_ptr<GeomAPI_Edge>& theEdge,
 801     ModelAPI_AttributeSelection::CenterType theType,
 802     const CompositeFeaturePtr& theSketch,
 803     bool theTemporary,
 804     FeaturePtr& theCreatedFeature)
 805 {
 806   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 807   if (!aResult.get())
 808     return ResultPtr();
 809
 810   FeaturePtr aProjectionFeature = theSketch->addFeature(SketchPlugin_Projection::ID());
 811   theCreatedFeature = aProjectionFeature;
 812   AttributeSelectionPtr anExternalAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(
 813                  aProjectionFeature->attribute(SketchPlugin_Projection::EXTERNAL_FEATURE_ID()));
 814   anExternalAttr->setValueCenter(aResult, theEdge, theType, theTemporary);
 815
 816   AttributeBooleanPtr anIntoResult = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>
 817     (aProjectionFeature->data()->attribute(SketchPlugin_Projection::INCLUDE_INTO_RESULT()));
 818   anIntoResult->setValue(SKETCH_PROJECTION_INCLUDE_INTO_RESULT);
 819   aProjectionFeature->execute();
 820
 821   // if projection feature has not been created, exit
 822   AttributeRefAttrPtr aRefAttr = aProjectionFeature->data()->refattr(
 823     SketchPlugin_Projection::PROJECTED_FEATURE_ID());
 824   if (!aRefAttr || !aRefAttr->isInitialized())
 825     return ResultPtr();
 826
 827   FeaturePtr aProjection = ModelAPI_Feature::feature(aRefAttr->object());
 828   if (aProjection.get() && aProjection->lastResult().get())
 829     return aProjection->lastResult();
 830
 831   return ResultPtr();
 832 }
 833
 834 void PartSet_Tools::getFirstAndLastIndexInFolder(const ObjectPtr& theFolder,
 835   int& theFirst, int& theLast)
 836 {
 837   theFirst = -1;
 838   theLast = -1;
 839
 840   DocumentPtr aDoc = theFolder->document();
 841   FolderPtr aFolder = std::dynamic_pointer_cast<ModelAPI_Folder>(theFolder);
 842   if (!aFolder.get())
 843     return;
 844
 845   AttributeReferencePtr aFirstFeatAttr =
 846     aFolder->data()->reference(ModelAPI_Folder::FIRST_FEATURE_ID());
 847   if (!aFirstFeatAttr.get())
 848     return;
 849   FeaturePtr aFirstFeatureInFolder = ModelAPI_Feature::feature(aFirstFeatAttr->value());
 850   if (!aFirstFeatureInFolder.get())
 851     return;
 852
 853   FeaturePtr aLastFeatureInFolder = aFolder->lastVisibleFeature();
 854   if (!aLastFeatureInFolder.get())
 855     return;
 856
 857   theFirst = aDoc->index(aFirstFeatureInFolder);
 858   theLast = aDoc->index(aLastFeatureInFolder);
 859 }
 860
 861
 862 void PartSet_Tools::getDefaultColor(ObjectPtr theObject, const bool isEmptyColorValid,
 863   std::vector<int>& theColor)
 864 {
 865   theColor.clear();
 866   // get default color from the preferences manager for the given result
 867   if (theColor.empty()) {
 868     std::string aSection, aName, aDefault;
 869     theObject->colorConfigInfo(aSection, aName, aDefault);
 870     if (!aSection.empty() && !aName.empty()) {
 871       theColor = Config_PropManager::color(aSection, aName);
 872     }
 873   }
 874   if (!isEmptyColorValid && theColor.empty()) {
 875     // all AIS objects, where the color is not set, are in black.
 876     // The color should be defined in XML or set in the attribute
 877     theColor = Config_PropManager::color("Visualization", "object_default_color");
 878     Events_InfoMessage("PartSet_Tools",
 879       "A default color is not defined in the preferences for this result type").send();
 880   }
 881 }
 882
 883 double PartSet_Tools::getDefaultDeflection(const ObjectPtr& theObject)
 884 {
 885   double aDeflection = -1;
 886   ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 887   if (aResult.get()) {
 888     bool isConstruction = false;
 889
 890     std::string aResultGroup = aResult->groupName();
 891     if (aResultGroup == ModelAPI_ResultConstruction::group())
 892       isConstruction = true;
 893     else if (aResultGroup == ModelAPI_ResultBody::group()) {
 894       GeomShapePtr aGeomShape = aResult->shape();
 895       if (aGeomShape.get()) {
 896         // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
 897         // correction of deviation for them should not influence to the application performance
 898         GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
 899         isConstruction = !anExp.more();
 900       }
 901     }
 902     if (isConstruction)
 903       aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
 904     else
 905       aDeflection = Config_PropManager::real("Visualization", "body_deflection");
 906   }
 907   return aDeflection;
 908 }
 909
 910
 911 double PartSet_Tools::getDefaultTransparency()
 912 {
 913   return Config_PropManager::integer("Visualization", "shaper_default_transparency") / 100.;
 914 }
 915
 916 QCursor PartSet_Tools::getOperationCursor()
 917 {
 918   int aId = Config_PropManager::integer(SKETCH_TAB_NAME, "operation_cursor");
 919   switch (aId) {
 920   case 0:
 921     return QCursor(Qt::ArrowCursor);
 922   case 1:
 923     return QCursor(Qt::CrossCursor);
 924   case 2:
 925     return QCursor(Qt::PointingHandCursor);
 926   }
 927   return QCursor();
 928 }