src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_ConstraintSplit.cpp
   4 // Created: 17 Jul 2016
   5 // Author:  Natalia ERMOLAEVA
   6
   7 #include "SketchPlugin_ConstraintSplit.h"
   8
   9 //#include <GeomAPI_Circ2d.h>
  10 //#include <GeomAPI_Dir2d.h>
  11 //#include <GeomAPI_Lin2d.h>
  12 #include <GeomAPI_Pnt2d.h>
  13 //#include <GeomAPI_XY.h>
  14 #include <GeomDataAPI_Point2D.h>
  15 //#include <ModelAPI_AttributeDouble.h>
  16 #include <ModelAPI_AttributeReference.h>
  17 #include <ModelAPI_AttributeString.h>
  18 //#include <ModelAPI_AttributeRefList.h>
  19 #include <ModelAPI_AttributeRefAttr.h>
  20
  21 #include <SketchPlugin_Line.h>
  22 #include <SketchPlugin_Arc.h>
  23
  24 //#include <ModelAPI_Data.h>
  25 //#include <ModelAPI_Events.h>
  26 //#include <ModelAPI_Session.h>
  27 //#include <ModelAPI_Validator.h>
  28 //
  29 //#include <SketchPlugin_Arc.h>
  30 //#include <SketchPlugin_Line.h>
  31 //#include <SketchPlugin_Point.h>
  32 //#include <SketchPlugin_Sketch.h>
  33 //#include <SketchPlugin_ConstraintCoincidence.h>
  34 //#include <SketchPlugin_ConstraintTangent.h>
  35 //#include <SketchPlugin_ConstraintRadius.h>
  36 //#include <SketchPlugin_Tools.h>
  37 //
  38 //#include <Events_Loop.h>
  39 //
  40 //#include <math.h>
  41 //
  42 //const double tolerance = 1.e-7;
  43 //const double paramTolerance = 1.e-4;
  44
  45 ///// \brief Attract specified point on theNewArc to the attribute of theFeature
  46 //static void recalculateAttributes(FeaturePtr theNewArc, const std::string& theNewArcAttribute,
  47 //  FeaturePtr theFeature, const std::string& theFeatureAttribute);
  48 //
  49 ///// \brief Calculates center of fillet arc and coordinates of tangency points
  50 //static void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
  51 //                                  double theRadius, bool theNotInversed[2],
  52 //                                  std::shared_ptr<GeomAPI_XY>& theCenter,
  53 //                                  std::shared_ptr<GeomAPI_XY>& theTangentA,
  54 //                                  std::shared_ptr<GeomAPI_XY>& theTangentB);
  55 //
  56 ///// Get point on 1/3 length of edge from fillet point
  57 //static void getPointOnEdge(const FeaturePtr theFeature,
  58 //                           const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
  59 //                           std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
  60 //
  61 ///// Get distance from point to feature
  62 //static double getProjectionDistance(const FeaturePtr theFeature,
  63 //                             const std::shared_ptr<GeomAPI_Pnt2d> thePoint);
  64 //
  65 ///// Get coincide edges for fillet
  66 //static std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence);
  67
  68 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
  69 //: myListOfPointsChangedInCode(false),
  70 //  myRadiusChangedByUser(false),
  71 //  myRadiusChangedInCode(false),
  72 //  myRadiusInitialized(false)
  73 {
  74 }
  75
  76 void SketchPlugin_ConstraintSplit::initAttributes()
  77 {
  78   data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeReference::typeId());
  79   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  80   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
  81
  82   //data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
  83   //data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttrList::typeId());
  84 }
  85
  86 void SketchPlugin_ConstraintSplit::execute()
  87 {
  88   std::shared_ptr<ModelAPI_Data> aData = data();
  89
  90   // Check the base objects are initialized.
  91   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
  92                                             aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  93   if(!aBaseObjectAttr->isInitialized()) {
  94     setError("Error: Base object is not initialized.");
  95     return;
  96   }
  97   AttributePoint2DPtr aFirstPointAttr = getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  98   AttributePoint2DPtr aLastPointAttr = getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  99   if (!aFirstPointAttr.get() || !aFirstPointAttr->isInitialized() ||
 100       !aLastPointAttr.get() || !aLastPointAttr->isInitialized()) {
 101     setError("Error: Sub-shape is not initialized.");
 102     return;
 103   }
 104
 105   AttributePoint2DPtr aStartPointAttr = getFeaturePoint(true);
 106   AttributePoint2DPtr anEndPointAttr = getFeaturePoint(false);
 107   if (!aStartPointAttr.get() && !anEndPointAttr.get()) {
 108     setError("Error: Circle is not processed."); /// TODO
 109     return;
 110   }
 111
 112   /// if first point is closer to last point, wrap first and last values
 113   if (aStartPointAttr->pnt()->distance(aFirstPointAttr->pnt()) >
 114       anEndPointAttr->pnt()->distance(aLastPointAttr->pnt())) {
 115     AttributePoint2DPtr aTmpPoint = aFirstPointAttr;
 116     aFirstPointAttr = aLastPointAttr;
 117     aLastPointAttr = aTmpPoint;
 118   }
 119   FeaturePtr aSplitFeature = createFeature(aFirstPointAttr, aLastPointAttr);
 120
 121   std::set<FeaturePtr> aLeftFeatures;
 122   if (!aStartPointAttr->pnt()->isEqual(aFirstPointAttr->pnt()))
 123     aLeftFeatures.insert(createFeature(aStartPointAttr, aFirstPointAttr));
 124   if (!aLastPointAttr->pnt()->isEqual(anEndPointAttr->pnt()))
 125     aLeftFeatures.insert(createFeature(aLastPointAttr, anEndPointAttr));
 126
 127   /*
 128   // Get fillet radius.
 129   double aFilletRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 130     aData->attribute(SketchPlugin_Constraint::VALUE()))->value();
 131
 132   // Wait all constraints being created, then send update events
 133   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 134   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 135   if (isUpdateFlushed)
 136     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 137
 138   for(std::set<AttributePtr>::iterator aPointsIter = myNewPoints.begin();
 139       aPointsIter != myNewPoints.end();
 140       ++aPointsIter) {
 141     AttributePtr aPointAttr = *aPointsIter;
 142     std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2d = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aPointAttr);
 143     if(!aFilletPoint2d.get()) {
 144       setError("Error: One of the selected points is empty.");
 145       return;
 146     }
 147     std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2d->pnt();
 148
 149     // Obtain base lines for fillet.
 150     bool anIsNeedNewObjects = true;
 151     FilletFeatures aFilletFeatures;
 152     std::map<AttributePtr, FilletFeatures>::iterator aPrevPointsIter = myPointFeaturesMap.find(aPointAttr);
 153     if(aPrevPointsIter != myPointFeaturesMap.end()) {
 154       anIsNeedNewObjects = false;
 155       aFilletFeatures = aPrevPointsIter->second;
 156     }
 157     FeaturePtr aBaseEdgeA, aBaseEdgeB;
 158     if(!anIsNeedNewObjects) {
 159       aBaseEdgeA = aFilletFeatures.baseEdgesState.front().first;
 160       aBaseEdgeB = aFilletFeatures.baseEdgesState.back().first;
 161     } else {
 162       // Obtain constraint coincidence for the fillet point.
 163       FeaturePtr aConstraintCoincidence;
 164       const std::set<AttributePtr>& aRefsList = aFilletPoint2d->owner()->data()->refsToMe();
 165       for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
 166         std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
 167         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
 168         if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 169           AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 170             aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
 171           AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 172             aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
 173           if(anAttrRefA.get() && !anAttrRefA->isObject()) {
 174             AttributePtr anAttrA = anAttrRefA->attr();
 175             if(aFilletPoint2d == anAttrA) {
 176               aConstraintCoincidence = aConstrFeature;
 177               break;
 178             }
 179           }
 180           if(anAttrRefB.get() && !anAttrRefB->isObject()) {
 181             AttributePtr anAttrB = anAttrRefB->attr();
 182             if(aFilletPoint2d == anAttrB) {
 183               aConstraintCoincidence = aConstrFeature;
 184               break;
 185             }
 186           }
 187         }
 188       }
 189
 190       if(!aConstraintCoincidence.get()) {
 191         setError("Error: No coincident edges at one of the selected points.");
 192         return;
 193       }
 194
 195       // Get coincide edges.
 196       std::set<FeaturePtr> aCoincides = getCoincides(aConstraintCoincidence);
 197       if(aCoincides.size() != 2) {
 198         setError("Error: One of the selected points does not have two suitable edges for fillet.");
 199         return;
 200       }
 201
 202       std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
 203       aBaseEdgeA = *aLinesIt++;
 204       aBaseEdgeB = *aLinesIt;
 205
 206       std::pair<FeaturePtr, bool> aBasePairA = std::make_pair(aBaseEdgeA, aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
 207       std::pair<FeaturePtr, bool> aBasePairB = std::make_pair(aBaseEdgeB, aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value());
 208       aFilletFeatures.baseEdgesState.push_back(aBasePairA);
 209       aFilletFeatures.baseEdgesState.push_back(aBasePairB);
 210     }
 211
 212     if(!aBaseEdgeA.get() || !aBaseEdgeB.get()) {
 213       setError("Error: One of the base edges is empty.");
 214       return;
 215     }
 216
 217     // Create new edges and arc if needed.
 218     FeaturePtr aResultEdgeA, aResultEdgeB, aResultArc;
 219     if(!anIsNeedNewObjects) {
 220       // Obtain features from the list.
 221       std::list<FeaturePtr>::iterator aResultEdgesIt = aFilletFeatures.resultEdges.begin();
 222       aResultEdgeA = *aResultEdgesIt++;
 223       aResultEdgeB = *aResultEdgesIt++;
 224       aResultArc = *aResultEdgesIt;
 225     } else {
 226       // Copy edges and create arc.
 227       aResultEdgeA = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeA, sketch());
 228       aResultEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
 229       aResultEdgeB = SketchPlugin_Sketch::addUniqueNamedCopiedFeature(aBaseEdgeB, sketch());
 230       aResultEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(false);
 231       aResultArc = sketch()->addFeature(SketchPlugin_Arc::ID());
 232
 233       aFilletFeatures.resultEdges.push_back(aResultEdgeA);
 234       aFilletFeatures.resultEdges.push_back(aResultEdgeB);
 235       aFilletFeatures.resultEdges.push_back(aResultArc);
 236     }
 237
 238     // Calculate arc attributes
 239     static const int aNbFeatures = 2;
 240     FeaturePtr aBaseFeatures[aNbFeatures] = {aBaseEdgeA, aBaseEdgeB};
 241     FeaturePtr aResultFeatures[aNbFeatures] = {aResultEdgeA, aResultEdgeB};
 242     std::shared_ptr<GeomAPI_Dir2d> aTangentDir[aNbFeatures]; // tangent directions of the features in coincident point
 243     bool isStart[aNbFeatures]; // indicates which point the features share
 244     std::shared_ptr<GeomAPI_Pnt2d> aStartEndPnt[aNbFeatures * 2]; // first pair of points relate to first feature, second pair -  to second
 245     std::string aFeatAttributes[aNbFeatures * 2]; // attributes of features
 246     for (int i = 0; i < aNbFeatures; i++) {
 247       std::string aStartAttr, aEndAttr;
 248       if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
 249         aStartAttr = SketchPlugin_Line::START_ID();
 250         aEndAttr = SketchPlugin_Line::END_ID();
 251       } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
 252         aStartAttr = SketchPlugin_Arc::START_ID();
 253         aEndAttr = SketchPlugin_Arc::END_ID();
 254       } else { // wrong argument
 255         setError("Error: One of the points has wrong coincide feature");
 256         return;
 257       }
 258       aFeatAttributes[2*i] = aStartAttr;
 259       aStartEndPnt[2*i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 260         aBaseFeatures[i]->attribute(aStartAttr))->pnt();
 261       aFeatAttributes[2*i+1] = aEndAttr;
 262       aStartEndPnt[2*i+1] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 263         aBaseFeatures[i]->attribute(aEndAttr))->pnt();
 264     }
 265     for (int aFeatInd = 0; aFeatInd < aNbFeatures; aFeatInd++) {
 266       for (int j = 0; j < 2; j++) // loop on start-end of each feature
 267         if (aStartEndPnt[aFeatInd * aNbFeatures + j]->distance(aFilletPnt2d) < 1.e-10) {
 268           isStart[aFeatInd] = (j==0);
 269           break;
 270         }
 271     }
 272     // tangent directions of the features
 273     for (int i = 0; i < aNbFeatures; i++) {
 274       std::shared_ptr<GeomAPI_XY> aDir;
 275       if (aResultFeatures[i]->getKind() == SketchPlugin_Line::ID()) {
 276         aDir = aStartEndPnt[2*i+1]->xy()->decreased(aStartEndPnt[2*i]->xy());
 277         if (!isStart[i])
 278           aDir = aDir->multiplied(-1.0);
 279       } else if (aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID()) {
 280         std::shared_ptr<GeomAPI_Pnt2d> aCenterPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 281           aResultFeatures[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
 282         aDir = isStart[i] ? aStartEndPnt[2*i]->xy() : aStartEndPnt[2*i+1]->xy();
 283         aDir = aDir->decreased(aCenterPoint->xy());
 284
 285         double x = aDir->x();
 286         double y = aDir->y();
 287         aDir->setX(-y);
 288         aDir->setY(x);
 289         if (isStart[i] == std::dynamic_pointer_cast<SketchPlugin_Arc>(aBaseFeatures[i])->isReversed())
 290           aDir = aDir->multiplied(-1.0);
 291       }
 292       aTangentDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aDir));
 293     }
 294
 295     // By default, the start point of fillet arc is connected to FeatureA,
 296     // and the end point - to FeatureB. But when the angle between TangentDirA and
 297     // TangentDirB greater 180 degree, the sequaence of features need to be reversed.
 298     double cosBA = aTangentDir[0]->cross(aTangentDir[1]); // cos(B-A), where A and B - angles between corresponding tanget direction and the X axis
 299     bool isReversed = cosBA > 0.0;
 300
 301     // Calculate fillet arc parameters
 302     std::shared_ptr<GeomAPI_XY> aCenter, aTangentPntA, aTangentPntB;
 303     calculateFilletCenter(aBaseEdgeA, aBaseEdgeB, aFilletRadius, isStart, aCenter, aTangentPntA, aTangentPntB);
 304     if(!aCenter.get() || !aTangentPntA.get() || !aTangentPntB.get()) {
 305       setError("Can not create fillet with the specified parameters.");
 306       return;
 307     }
 308     // update features
 309     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 310       aResultEdgeA->attribute(aFeatAttributes[isStart[0] ? 0 : 1]))->setValue(aTangentPntA->x(), aTangentPntA->y());
 311     aResultEdgeA->execute();
 312     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 313       aResultEdgeB->attribute(aFeatAttributes[2 + (isStart[1] ? 0 : 1)]))->setValue(aTangentPntB->x(), aTangentPntB->y());
 314     aResultEdgeB->execute();
 315     // update fillet arc: make the arc correct for sure, so, it is not needed to process the "attribute updated"
 316     // by arc; moreover, it may cause cyclicity in hte mechanism of updater
 317     aResultArc->data()->blockSendAttributeUpdated(true);
 318     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 319       aResultArc->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(aCenter->x(), aCenter->y());
 320     if(isReversed) {
 321       std::shared_ptr<GeomAPI_XY> aTmp = aTangentPntA;
 322       aTangentPntA = aTangentPntB;
 323       aTangentPntB = aTmp;
 324     }
 325     std::shared_ptr<GeomDataAPI_Point2D> aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 326       aResultArc->attribute(SketchPlugin_Arc::START_ID()));
 327     std::shared_ptr<GeomDataAPI_Point2D> aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 328       aResultArc->attribute(SketchPlugin_Arc::END_ID()));
 329     if(aStartPoint->isInitialized() && aEndPoint->isInitialized() &&
 330       (aStartPoint->pnt()->xy()->distance(aTangentPntA) > tolerance ||
 331        aEndPoint->pnt()->xy()->distance(aTangentPntB) > tolerance)) {
 332       std::dynamic_pointer_cast<SketchPlugin_Arc>(aResultArc)->setReversed(false);
 333     }
 334     aStartPoint->setValue(aTangentPntA->x(), aTangentPntA->y());
 335     aEndPoint->setValue(aTangentPntB->x(), aTangentPntB->y());
 336     aResultArc->data()->blockSendAttributeUpdated(false);
 337     aResultArc->execute();
 338
 339     if(anIsNeedNewObjects) {
 340       // Create list of additional constraints:
 341       // 1. Coincidence of boundary points of features (copied lines/arcs) and fillet arc
 342       // 1.1. coincidence
 343       FeaturePtr aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 344       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 345           aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 346       aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::START_ID()));
 347       aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 348           aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 349       int aFeatInd = isReversed ? 1 : 0;
 350       int anAttrInd = (isReversed ? 2 : 0) + (isStart[isReversed ? 1 : 0] ? 0 : 1);
 351       aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
 352       recalculateAttributes(aResultArc, SketchPlugin_Arc::START_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
 353       aConstraint->execute();
 354       aFilletFeatures.resultConstraints.push_back(aConstraint);
 355       ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
 356       // 1.2. coincidence
 357       aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 358       aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 359           aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 360       aRefAttr->setAttr(aResultArc->attribute(SketchPlugin_Arc::END_ID()));
 361       aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 362           aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 363       aFeatInd = isReversed ? 0 : 1;
 364       anAttrInd = (isReversed ? 0 : 2) + (isStart[isReversed ? 0 : 1] ? 0 : 1);
 365       aRefAttr->setAttr(aResultFeatures[aFeatInd]->attribute(aFeatAttributes[anAttrInd]));
 366       recalculateAttributes(aResultArc, SketchPlugin_Arc::END_ID(), aResultFeatures[aFeatInd], aFeatAttributes[anAttrInd]);
 367       aConstraint->execute();
 368       aFilletFeatures.resultConstraints.push_back(aConstraint);
 369       ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
 370       // 2. Fillet arc radius
 371       //aConstraint = sketch()->addFeature(SketchPlugin_ConstraintRadius::ID());
 372       //aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 373       //    aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 374       //aRefAttr->setObject(aNewArc->lastResult());
 375       //std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 376       //    aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->setValue(aFilletRadius);
 377       //std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 378       //    aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->setValue(
 379       //    isStart[0] ? aStartEndPnt[0] : aStartEndPnt[1]);
 380       //aConstraint->execute();
 381       //myProducedFeatures.push_back(aConstraint);
 382       //ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
 383       // 3. Tangency of fillet arc and features
 384       for (int i = 0; i < aNbFeatures; i++) {
 385         aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 386         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 387             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 388         aRefAttr->setObject(aResultArc->lastResult());
 389         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 390             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 391         bool isArc = aResultFeatures[i]->getKind() == SketchPlugin_Arc::ID();
 392         aRefAttr->setObject(isArc ? aResultFeatures[i]->lastResult() : aResultFeatures[i]->firstResult());
 393         aConstraint->execute();
 394         aFilletFeatures.resultConstraints.push_back(aConstraint);
 395         ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
 396       }
 397       // 4. Coincidence of free boundaries of base and copied features
 398       for (int i = 0; i < aNbFeatures; i++) {
 399         anAttrInd = 2*i + (isStart[i] ? 1 : 0);
 400         aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 401         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 402             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 403         aRefAttr->setAttr(aBaseFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
 404         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 405             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 406         aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
 407         aFilletFeatures.resultConstraints.push_back(aConstraint);
 408       }
 409       // 4.1. Additional tangency constraints when the fillet is based on arcs.
 410       //      It is used to verify the created arc will be placed on a source.
 411       for (int i = 0; i < aNbFeatures; ++i) {
 412         if (aResultFeatures[i]->getKind() != SketchPlugin_Arc::ID())
 413           continue;
 414         aConstraint = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 415         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 416             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 417         aRefAttr->setObject(aBaseFeatures[i]->lastResult());
 418         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 419             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 420         aRefAttr->setObject(aResultFeatures[i]->lastResult());
 421         aConstraint->execute();
 422         aFilletFeatures.resultConstraints.push_back(aConstraint);
 423         ModelAPI_EventCreator::get()->sendUpdated(aConstraint, anUpdateEvent);
 424       }
 425       // 5. Tangent points should be placed on the base features
 426       for (int i = 0; i < aNbFeatures; i++) {
 427         anAttrInd = 2*i + (isStart[i] ? 0 : 1);
 428         aConstraint = sketch()->addFeature(SketchPlugin_ConstraintCoincidence::ID());
 429         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 430             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
 431         aRefAttr->setAttr(aResultFeatures[i]->attribute(aFeatAttributes[anAttrInd]));
 432         aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 433             aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
 434         aRefAttr->setObject(aBaseFeatures[i]->lastResult());
 435         aFilletFeatures.resultConstraints.push_back(aConstraint);
 436       }
 437       // make base features auxiliary
 438       aBaseEdgeA->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
 439       aBaseEdgeB->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(true);
 440
 441       // exchange the naming IDs of newly created and old line that become auxiliary
 442       sketch()->exchangeIDs(aBaseEdgeA, aResultEdgeA);
 443       sketch()->exchangeIDs(aBaseEdgeB, aResultEdgeB);
 444
 445       // store point and features in the map.
 446       myPointFeaturesMap[aPointAttr] = aFilletFeatures;
 447     } else {
 448       // Update radius value
 449       int aNbSubs = sketch()->numberOfSubs();
 450       FeaturePtr aSubFeature;
 451       for (int aSub = 0; aSub < aNbSubs; aSub++) {
 452         aSubFeature = sketch()->subFeature(aSub);
 453         if (aSubFeature->getKind() != SketchPlugin_ConstraintRadius::ID())
 454           continue;
 455         AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 456             aSubFeature->attribute(SketchPlugin_Constraint::ENTITY_A()));
 457         if (!aRefAttr || !aRefAttr->isObject())
 458           continue;
 459         FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
 460         if (aFeature == aResultArc) {
 461           AttributeDoublePtr aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 462             aSubFeature->attribute(SketchPlugin_Constraint::VALUE()));
 463           aRadius->setValue(aFilletRadius);
 464           break;
 465         }
 466       }
 467     }
 468   }
 469
 470   // Send events to update the sub-features by the solver.
 471   if(isUpdateFlushed) {
 472     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 473   }
 474 */
 475 }
 476
 477 void SketchPlugin_ConstraintSplit::attributeChanged(const std::string& theID)
 478 {
 479 /*  if(theID == SketchPlugin_Constraint::ENTITY_A()) {
 480     if(myListOfPointsChangedInCode) {
 481       return;
 482     }
 483
 484     // Clear results.
 485     clearResults();
 486
 487     // Clear list of new points.
 488     myNewPoints.clear();
 489
 490     // Get list of points for fillets and current radius.
 491     AttributeRefAttrListPtr aRefListOfFilletPoints = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(
 492       data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
 493     AttributeDoublePtr aRadiusAttribute = real(VALUE());
 494     int aListSize = aRefListOfFilletPoints->size();
 495     if(aListSize == 0 && !myRadiusChangedByUser) {
 496       // If list is empty reset radius to zero (if it was not changed by user).
 497       myRadiusChangedInCode = true;
 498       aRadiusAttribute->setValue(0);
 499       myRadiusChangedInCode = false;
 500       return;
 501     }
 502
 503     // Iterate over points to get base lines an calculate radius for fillets.
 504     double aMinimumRadius = 0;
 505     std::list<std::pair<ObjectPtr, AttributePtr>> aSelectedPointsList = aRefListOfFilletPoints->list();
 506     std::list<std::pair<ObjectPtr, AttributePtr>>::iterator anIter = aSelectedPointsList.begin();
 507     std::set<AttributePtr> aPointsToSkeep;
 508     for(int anIndex = 0; anIndex < aListSize; anIndex++, anIter++) {
 509       AttributePtr aFilletPointAttr = (*anIter).second;
 510       std::shared_ptr<GeomDataAPI_Point2D> aFilletPoint2D =
 511         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFilletPointAttr);
 512       if(!aFilletPoint2D.get()) {
 513         myNewPoints.clear();
 514         setError("Error: One of the selected points is invalid.");
 515         return;
 516       }
 517
 518       // If point or coincident point is already in list remove it from attribute.
 519       if(aPointsToSkeep.find(aFilletPointAttr) != aPointsToSkeep.end()) {
 520         myListOfPointsChangedInCode = true;
 521         aRefListOfFilletPoints->remove(aFilletPointAttr);
 522         myListOfPointsChangedInCode = false;
 523         continue;
 524       }
 525
 526       // Obtain constraint coincidence for the fillet point.
 527       FeaturePtr aConstraintCoincidence;
 528       const std::set<AttributePtr>& aRefsList = aFilletPointAttr->owner()->data()->refsToMe();
 529       for(std::set<AttributePtr>::const_iterator anIt = aRefsList.cbegin(); anIt != aRefsList.cend(); ++anIt) {
 530         std::shared_ptr<ModelAPI_Attribute> anAttr = (*anIt);
 531         FeaturePtr aConstrFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
 532         if(aConstrFeature->getKind() == SketchPlugin_ConstraintCoincidence::ID()) {
 533           AttributeRefAttrPtr anAttrRefA = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 534             aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_A()));
 535           AttributeRefAttrPtr anAttrRefB = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 536             aConstrFeature->attribute(SketchPlugin_ConstraintCoincidence::ENTITY_B()));
 537           if(anAttrRefA.get()) {
 538             AttributePtr anAttrA = anAttrRefA->attr();
 539             if(aFilletPointAttr == anAttrA) {
 540               aConstraintCoincidence = aConstrFeature;
 541               break;
 542             }
 543           }
 544           if(anAttrRefB.get()) {
 545             AttributePtr anAttrB = anAttrRefB->attr();
 546             if(aFilletPointAttr == anAttrB) {
 547               aConstraintCoincidence = aConstrFeature;
 548               break;
 549             }
 550           }
 551         }
 552       }
 553
 554       if(!aConstraintCoincidence.get()) {
 555         myNewPoints.clear();
 556         setError("Error: No coincident edges at one of the selected points.");
 557         return;
 558       }
 559
 560       // Get coincides from constraint.
 561       std::set<FeaturePtr> aCoincides;
 562
 563
 564       SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
 565                                            SketchPlugin_ConstraintCoincidence::ENTITY_A(),
 566                                            aCoincides);
 567       SketchPlugin_Tools::findCoincidences(aConstraintCoincidence,
 568                                            SketchPlugin_ConstraintCoincidence::ENTITY_B(),
 569                                            aCoincides);
 570
 571       // Remove points from set of coincides. Also get all attributes which is equal to this point to exclude it.
 572       std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
 573       std::set<FeaturePtr> aNewSetOfCoincides;
 574       for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
 575         std::string aFeatureKind = (*anIt)->getKind();
 576         if(aFeatureKind == SketchPlugin_Point::ID()) {
 577           AttributePtr anAttr = (*anIt)->attribute(SketchPlugin_Point::COORD_ID());
 578           std::shared_ptr<GeomDataAPI_Point2D> aPoint2D =
 579             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr);
 580           if(aPoint2D.get() && aFilletPnt2d->isEqual(aPoint2D->pnt())) {
 581             aPointsToSkeep.insert(anAttr);
 582           }
 583         } else if(aFeatureKind == SketchPlugin_Line::ID()) {
 584           AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Line::START_ID());
 585           std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
 586             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
 587           if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
 588             aPointsToSkeep.insert(anAttrStart);
 589           }
 590           AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Line::END_ID());
 591           std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
 592             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
 593           if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
 594             aPointsToSkeep.insert(anAttrEnd);
 595           }
 596           aNewSetOfCoincides.insert(*anIt);
 597         } else if(aFeatureKind == SketchPlugin_Arc::ID() ) {
 598           AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
 599           std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
 600             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
 601           if(aPointCenter2D.get() && aFilletPnt2d->isEqual(aPointCenter2D->pnt())) {
 602             aPointsToSkeep.insert(anAttrCenter);
 603             continue;
 604           }
 605           AttributePtr anAttrStart = (*anIt)->attribute(SketchPlugin_Arc::START_ID());
 606           std::shared_ptr<GeomDataAPI_Point2D> aPointStart2D =
 607             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrStart);
 608           if(aPointStart2D.get() && aFilletPnt2d->isEqual(aPointStart2D->pnt())) {
 609             aPointsToSkeep.insert(anAttrStart);
 610           }
 611           AttributePtr anAttrEnd = (*anIt)->attribute(SketchPlugin_Arc::END_ID());
 612           std::shared_ptr<GeomDataAPI_Point2D> aPointEnd2D =
 613             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrEnd);
 614           if(aPointEnd2D.get() && aFilletPnt2d->isEqual(aPointEnd2D->pnt())) {
 615             aPointsToSkeep.insert(anAttrEnd);
 616           }
 617           aNewSetOfCoincides.insert(*anIt);
 618         }
 619       }
 620       aCoincides = aNewSetOfCoincides;
 621
 622       // If we still have more than two coincides remove auxilary entities from set of coincides.
 623       if(aCoincides.size() > 2) {
 624         aNewSetOfCoincides.clear();
 625         for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
 626           if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
 627             aNewSetOfCoincides.insert(*anIt);
 628           }
 629         }
 630         aCoincides = aNewSetOfCoincides;
 631       }
 632
 633       if(aCoincides.size() != 2) {
 634         myNewPoints.clear();
 635         setError("Error: One of the selected points does not have two suitable edges for fillet.");
 636         return;
 637       }
 638
 639       // Store base point for fillet.
 640       aPointsToSkeep.insert(aFilletPointAttr);
 641       myNewPoints.insert(aFilletPointAttr);
 642
 643       // Get base lines for fillet.
 644       FeaturePtr anOldFeatureA, anOldFeatureB;
 645       std::set<FeaturePtr>::iterator aLinesIt = aCoincides.begin();
 646       anOldFeatureA = *aLinesIt++;
 647       anOldFeatureB = *aLinesIt;
 648
 649       // Getting radius value if it was not changed by user.
 650       if(!myRadiusChangedByUser) {
 651         // Getting points located at 1/3 of edge length from fillet point.
 652         std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt2d = aFilletPoint2D->pnt();
 653         std::shared_ptr<GeomAPI_Pnt2d> aPntA, aPntB;
 654         getPointOnEdge(anOldFeatureA, aFilletPnt2d, aPntA);
 655         getPointOnEdge(anOldFeatureB, aFilletPnt2d, aPntB);
 656
 657         /// Getting distances.
 658         double aDistanceA = getProjectionDistance(anOldFeatureB, aPntA);
 659         double aDistanceB = getProjectionDistance(anOldFeatureA, aPntB);
 660         double aRadius = aDistanceA < aDistanceB ? aDistanceA / 2.0 : aDistanceB / 2.0;
 661         aMinimumRadius = aMinimumRadius == 0 ? aRadius : aRadius < aMinimumRadius ? aRadius : aMinimumRadius;
 662       }
 663     }
 664
 665     // Set new default radius if it was not changed by user.
 666     if(!myRadiusChangedByUser) {
 667       myRadiusChangedInCode = true;
 668       aRadiusAttribute->setValue(aMinimumRadius);
 669       myRadiusChangedInCode = false;
 670     }
 671
 672   } else if(theID == SketchPlugin_Constraint::VALUE()) {
 673     if(myRadiusInitialized && !myRadiusChangedInCode) {
 674       myRadiusChangedByUser = true;
 675     }
 676     if(!myRadiusInitialized) {
 677       myRadiusInitialized = true;
 678     }
 679   }
 680 */
 681 }
 682
 683 //AISObjectPtr SketchPlugin_ConstraintSplit::getAISObject(AISObjectPtr thePrevious)
 684 //{
 685 //  if (!sketch())
 686 //    return thePrevious;
 687 //
 688 //  AISObjectPtr anAIS = thePrevious;
 689 //  /// TODO: Equal constraint presentation should be put here
 690 //  return anAIS;
 691 //}
 692
 693 bool SketchPlugin_ConstraintSplit::isMacro() const
 694 {
 695   return true;
 696 }
 697
 698 //void SketchPlugin_ConstraintSplit::clearResults()
 699 //{
 700 ///*  // Clear auxiliary flag on initial objects.
 701 //  for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
 702 //      aPointsIter != myPointFeaturesMap.end();) {
 703 //    const FilletFeatures& aFilletFeatures = aPointsIter->second;
 704 //    std::list<std::pair<FeaturePtr, bool>>::const_iterator aFeatureIt;
 705 //    for(aFeatureIt = aFilletFeatures.baseEdgesState.cbegin();
 706 //        aFeatureIt != aFilletFeatures.baseEdgesState.cend();
 707 //        ++aFeatureIt) {
 708 //      aFeatureIt->first->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->setValue(aFeatureIt->second);
 709 //    }
 710 //    ++aPointsIter;
 711 //  }
 712 //
 713 //  // And remove all produced features.
 714 //  DocumentPtr aDoc = sketch()->document();
 715 //  for(std::map<AttributePtr, FilletFeatures>::iterator aPointsIter = myPointFeaturesMap.begin();
 716 //      aPointsIter != myPointFeaturesMap.end();) {
 717 //    // Remove all produced constraints.
 718 //    const FilletFeatures& aFilletFeatures = aPointsIter->second;
 719 //    std::list<FeaturePtr>::const_iterator aFeatureIt;
 720 //    for(aFeatureIt = aFilletFeatures.resultConstraints.cbegin();
 721 //        aFeatureIt != aFilletFeatures.resultConstraints.cend();
 722 //        ++aFeatureIt) {
 723 //      aDoc->removeFeature(*aFeatureIt);
 724 //    }
 725 //
 726 //    // Remove all result edges.
 727 //    for(aFeatureIt = aFilletFeatures.resultEdges.cbegin();
 728 //        aFeatureIt != aFilletFeatures.resultEdges.cend();
 729 //        ++aFeatureIt) {
 730 //      aDoc->removeFeature(*aFeatureIt);
 731 //    }
 732 //
 733 //    // Remove point from map.
 734 //    myPointFeaturesMap.erase(aPointsIter++);
 735 //  }
 736 //*/
 737 //};
 738 //
 739 //
 740 //// =========   Auxiliary functions   =================
 741 //void recalculateAttributes(FeaturePtr theNewArc,  const std::string& theNewArcAttribute,
 742 //                           FeaturePtr theFeature, const std::string& theFeatureAttribute)
 743 //{
 744 //  std::shared_ptr<GeomAPI_Pnt2d> anArcPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 745 //      theNewArc->attribute(theNewArcAttribute))->pnt();
 746 //  std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 747 //      theFeature->attribute(theFeatureAttribute))->setValue(anArcPoint->x(), anArcPoint->y());
 748 //}
 749
 750 /*/// \brief Find intersections of lines shifted along normal direction
 751 void possibleFilletCenterLineLine(
 752     std::shared_ptr<GeomAPI_XY> thePointA, std::shared_ptr<GeomAPI_Dir2d> theDirA,
 753     std::shared_ptr<GeomAPI_XY> thePointB, std::shared_ptr<GeomAPI_Dir2d> theDirB,
 754     double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
 755 {
 756   std::shared_ptr<GeomAPI_Dir2d> aDirAT(new GeomAPI_Dir2d(-theDirA->y(), theDirA->x()));
 757   std::shared_ptr<GeomAPI_Dir2d> aDirBT(new GeomAPI_Dir2d(-theDirB->y(), theDirB->x()));
 758   std::shared_ptr<GeomAPI_XY> aPntA, aPntB;
 759   double aDet = theDirA->cross(theDirB);
 760   for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
 761     aPntA = thePointA->added(aDirAT->xy()->multiplied(aStepA * theRadius));
 762     for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
 763       aPntB = thePointB->added(aDirBT->xy()->multiplied(aStepB * theRadius));
 764       double aVX = aDirAT->xy()->dot(aPntA);
 765       double aVY = aDirBT->xy()->dot(aPntB);
 766       std::shared_ptr<GeomAPI_XY> aPoint(new GeomAPI_XY(
 767           (theDirB->x() * aVX - theDirA->x() * aVY) / aDet,
 768           (theDirB->y() * aVX - theDirA->y() * aVY) / aDet));
 769       theCenters.push_back(aPoint);
 770     }
 771   }
 772 }
 773
 774 /// \brief Find intersections of line shifted along normal direction in both sides
 775 ///        and a circle with extended radius
 776 void possibleFilletCenterLineArc(
 777     std::shared_ptr<GeomAPI_XY> theStartLine, std::shared_ptr<GeomAPI_Dir2d> theDirLine,
 778     std::shared_ptr<GeomAPI_XY> theCenterArc, double theRadiusArc,
 779     double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
 780 {
 781   std::shared_ptr<GeomAPI_Dir2d> aDirT(new GeomAPI_Dir2d(-theDirLine->y(), theDirLine->x()));
 782   std::shared_ptr<GeomAPI_XY> aPnt;
 783   double aDirNorm2 = theDirLine->dot(theDirLine);
 784   double aRad = 0.0;
 785   double aDirX = theDirLine->x();
 786   double aDirX2 = theDirLine->x() * theDirLine->x();
 787   double aDirY2 = theDirLine->y() * theDirLine->y();
 788   double aDirXY = theDirLine->x() * theDirLine->y();
 789   for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
 790     aPnt = theStartLine->added(aDirT->xy()->multiplied(aStepA * theRadius));
 791     double aCoeff = aDirT->xy()->dot(aPnt->decreased(theCenterArc));
 792     double aCoeff2 = aCoeff * aCoeff;
 793     for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
 794       aRad = theRadiusArc + aStepB * theRadius;
 795       double aD = aRad * aRad * aDirNorm2 - aCoeff2;
 796       if (aD < 0.0)
 797         continue;
 798       double aDs = sqrt(aD);
 799       double x1 = theCenterArc->x() + (aCoeff * aDirT->x() - aDirT->y() * aDs) / aDirNorm2;
 800       double x2 = theCenterArc->x() + (aCoeff * aDirT->x() + aDirT->y() * aDs) / aDirNorm2;
 801       double y1 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
 802           aDirXY * (aPnt->x() - theCenterArc->x()) - theDirLine->y() * aDs) / aDirNorm2;
 803       double y2 = (aDirX2 * aPnt->y() + aDirY2 * theCenterArc->y() -
 804           aDirXY * (aPnt->x() - theCenterArc->x()) + theDirLine->y() * aDs) / aDirNorm2;
 805
 806       std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
 807       theCenters.push_back(aPoint1);
 808       std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
 809       theCenters.push_back(aPoint2);
 810     }
 811   }
 812 }
 813
 814 /// \brief Find intersections of two circles with extended radii
 815 void possibleFilletCenterArcArc(
 816     std::shared_ptr<GeomAPI_XY> theCenterA, double theRadiusA,
 817     std::shared_ptr<GeomAPI_XY> theCenterB, double theRadiusB,
 818     double theRadius, std::list< std::shared_ptr<GeomAPI_XY> >& theCenters)
 819 {
 820   std::shared_ptr<GeomAPI_XY> aCenterDir = theCenterB->decreased(theCenterA);
 821   double aCenterDist2 = aCenterDir->dot(aCenterDir);
 822   double aCenterDist = sqrt(aCenterDist2);
 823
 824   double aRadA, aRadB;
 825   for (double aStepA = -1.0; aStepA <= 1.0; aStepA += 2.0) {
 826     aRadA = theRadiusA + aStepA * theRadius;
 827     for (double aStepB = -1.0; aStepB <= 1.0; aStepB += 2.0) {
 828       aRadB = theRadiusB + aStepB * theRadius;
 829       if (aRadA + aRadB < aCenterDist || fabs(aRadA - aRadB) > aCenterDist)
 830         continue; // there is no intersections
 831
 832       double aMedDist = (aRadA * aRadA - aRadB * aRadB + aCenterDist2) / (2.0 * aCenterDist);
 833       double aHeight = sqrt(aRadA * aRadA - aMedDist * aMedDist);
 834
 835       double x1 = theCenterA->x() + (aMedDist * aCenterDir->x() + aCenterDir->y() * aHeight) / aCenterDist;
 836       double y1 = theCenterA->y() + (aMedDist * aCenterDir->y() - aCenterDir->x() * aHeight) / aCenterDist;
 837
 838       double x2 = theCenterA->x() + (aMedDist * aCenterDir->x() - aCenterDir->y() * aHeight) / aCenterDist;
 839       double y2 = theCenterA->y() + (aMedDist * aCenterDir->y() + aCenterDir->x() * aHeight) / aCenterDist;
 840
 841       std::shared_ptr<GeomAPI_XY> aPoint1(new GeomAPI_XY(x1, y1));
 842       theCenters.push_back(aPoint1);
 843       std::shared_ptr<GeomAPI_XY> aPoint2(new GeomAPI_XY(x2, y2));
 844       theCenters.push_back(aPoint2);
 845     }
 846   }
 847 }
 848
 849 void calculateFilletCenter(FeaturePtr theFeatureA, FeaturePtr theFeatureB,
 850                            double theRadius, bool theNotInversed[2],
 851                            std::shared_ptr<GeomAPI_XY>& theCenter,
 852                            std::shared_ptr<GeomAPI_XY>& theTangentA,
 853                            std::shared_ptr<GeomAPI_XY>& theTangentB)
 854 {
 855   static const int aNbFeatures = 2;
 856   FeaturePtr aFeature[aNbFeatures] = {theFeatureA, theFeatureB};
 857   std::shared_ptr<GeomAPI_XY> aStart[aNbFeatures], aEnd[aNbFeatures], aCenter[aNbFeatures];
 858   std::shared_ptr<GeomDataAPI_Point2D> aStartPoint, aEndPoint;
 859
 860   for (int i = 0; i < aNbFeatures; i++) {
 861     if (aFeature[i]->getKind() == SketchPlugin_Line::ID()) {
 862       aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 863           aFeature[i]->attribute(SketchPlugin_Line::START_ID()));
 864       aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 865           aFeature[i]->attribute(SketchPlugin_Line::END_ID()));
 866     } else if (aFeature[i]->getKind() == SketchPlugin_Arc::ID()) {
 867       aStartPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 868           aFeature[i]->attribute(SketchPlugin_Arc::START_ID()));
 869       aEndPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 870           aFeature[i]->attribute(SketchPlugin_Arc::END_ID()));
 871       aCenter[i] = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 872           aFeature[i]->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt()->xy();
 873     } else
 874       return;
 875     aStart[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
 876         new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()) :
 877         new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()));
 878     aEnd[i] = std::shared_ptr<GeomAPI_XY>(theNotInversed[i] ?
 879         new GeomAPI_XY(aEndPoint->x(), aEndPoint->y()) :
 880         new GeomAPI_XY(aStartPoint->x(), aStartPoint->y()));
 881   }
 882
 883   if (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
 884       theFeatureB->getKind() == SketchPlugin_Line::ID()) {
 885     std::shared_ptr<GeomAPI_Dir2d> aDir[2];
 886     std::shared_ptr<GeomAPI_Dir2d> aDirT[2];
 887     for (int i = 0; i < aNbFeatures; i++) {
 888       aDir[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(aEnd[i]->decreased(aStart[i])));
 889       aDirT[i] = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d(-aDir[i]->y(), aDir[i]->x()));
 890     }
 891
 892     // get and filter possible centers
 893     std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
 894     possibleFilletCenterLineLine(aStart[0], aDir[0], aStart[1], aDir[1], theRadius, aSuspectCenters);
 895     double aDot = 0.0;
 896     std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
 897     for (; anIt != aSuspectCenters.end(); anIt++) {
 898       aDot = aDirT[0]->xy()->dot(aStart[0]->decreased(*anIt));
 899       theTangentA = (*anIt)->added(aDirT[0]->xy()->multiplied(aDot));
 900       if (theTangentA->decreased(aStart[0])->dot(aDir[0]->xy()) < 0.0)
 901         continue; // incorrect position
 902       aDot = aDirT[1]->xy()->dot(aStart[1]->decreased(*anIt));
 903       theTangentB = (*anIt)->added(aDirT[1]->xy()->multiplied(aDot));
 904       if (theTangentB->decreased(aStart[1])->dot(aDir[1]->xy()) < 0.0)
 905         continue; // incorrect position
 906       // the center is found, stop searching
 907       theCenter = *anIt;
 908       return;
 909     }
 910   } else if ((theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
 911       theFeatureB->getKind() == SketchPlugin_Line::ID()) ||
 912       (theFeatureA->getKind() == SketchPlugin_Line::ID() &&
 913       theFeatureB->getKind() == SketchPlugin_Arc::ID())) {
 914     int aLineInd = theFeatureA->getKind() == SketchPlugin_Line::ID() ? 0 : 1;
 915     double anArcRadius = aStart[1-aLineInd]->distance(aCenter[1-aLineInd]);
 916     std::shared_ptr<GeomAPI_Dir2d> aDirLine = std::shared_ptr<GeomAPI_Dir2d>(
 917         new GeomAPI_Dir2d(aEnd[aLineInd]->decreased(aStart[aLineInd])));
 918     std::shared_ptr<GeomAPI_Dir2d> aDirT = std::shared_ptr<GeomAPI_Dir2d>(
 919         new GeomAPI_Dir2d(-aDirLine->y(), aDirLine->x()));
 920
 921     std::shared_ptr<GeomAPI_Dir2d> aStartArcDir = std::shared_ptr<GeomAPI_Dir2d>(
 922         new GeomAPI_Dir2d(aStart[1-aLineInd]->decreased(aCenter[1-aLineInd])));
 923     std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
 924         new GeomAPI_Dir2d(aEnd[1-aLineInd]->decreased(aCenter[1-aLineInd])));
 925     double anArcAngle = aEndArcDir->angle(aStartArcDir);
 926
 927     // get possible centers and filter them
 928     std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
 929     possibleFilletCenterLineArc(aStart[aLineInd], aDirLine, aCenter[1-aLineInd], anArcRadius, theRadius, aSuspectCenters);
 930     double aDot = 0.0;
 931     // the line is forward into the arc
 932     double innerArc = aCenter[1-aLineInd]->decreased(aStart[aLineInd])->dot(aDirLine->xy());
 933     std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
 934     // The possible centers are ranged by their positions.
 935     // If the point is not satisfy one of criteria, the weight is decreased with penalty.
 936     int aBestWeight = 0;
 937     std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
 938     for (; anIt != aSuspectCenters.end(); anIt++) {
 939       int aWeight = 2;
 940       aDot = aDirT->xy()->dot(aStart[aLineInd]->decreased(*anIt));
 941       aLineTgPoint = (*anIt)->added(aDirT->xy()->multiplied(aDot));
 942       // Check the point is placed on the correct arc (penalty if false)
 943       if (aCenter[1-aLineInd]->distance(*anIt) * innerArc > anArcRadius * innerArc)
 944         aWeight -= 1;
 945       std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
 946           new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1-aLineInd])));
 947       double aCurAngle = aCurDir->angle(aStartArcDir);
 948       if (anArcAngle < 0.0) aCurAngle *= -1.0;
 949       if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle))
 950         continue;
 951       if (aWeight > aBestWeight)
 952         aBestWeight = aWeight;
 953       else if (aWeight < aBestWeight ||
 954                aStart[aLineInd]->distance(*anIt) >
 955                aStart[aLineInd]->distance(theCenter)) // <-- take closer point
 956         continue;
 957       // the center is found, stop searching
 958       theCenter = *anIt;
 959       anArcTgPoint = aCenter[1-aLineInd]->added(aCurDir->xy()->multiplied(anArcRadius));
 960       if (theFeatureA->getKind() == SketchPlugin_Line::ID()) {
 961         theTangentA = aLineTgPoint;
 962         theTangentB = anArcTgPoint;
 963       } else {
 964         theTangentA = anArcTgPoint;
 965         theTangentB = aLineTgPoint;
 966       }
 967       //return;
 968     }
 969   } else if (theFeatureA->getKind() == SketchPlugin_Arc::ID() &&
 970       theFeatureB->getKind() == SketchPlugin_Arc::ID()) {
 971     double anArcRadius[aNbFeatures];
 972     double anArcAngle[aNbFeatures];
 973     std::shared_ptr<GeomAPI_Dir2d> aStartArcDir[aNbFeatures];
 974     for (int i = 0; i < aNbFeatures; i++) {
 975       anArcRadius[i] = aStart[i]->distance(aCenter[i]);
 976       aStartArcDir[i] = std::shared_ptr<GeomAPI_Dir2d>(
 977           new GeomAPI_Dir2d(aStart[i]->decreased(aCenter[i])));
 978       std::shared_ptr<GeomAPI_Dir2d> aEndArcDir = std::shared_ptr<GeomAPI_Dir2d>(
 979           new GeomAPI_Dir2d(aEnd[i]->decreased(aCenter[i])));
 980       anArcAngle[i] = aEndArcDir->angle(aStartArcDir[i]);
 981     }
 982
 983     // get and filter possible centers
 984     std::list< std::shared_ptr<GeomAPI_XY> > aSuspectCenters;
 985     possibleFilletCenterArcArc(aCenter[0], anArcRadius[0], aCenter[1], anArcRadius[1], theRadius, aSuspectCenters);
 986     double aDot = 0.0;
 987     std::shared_ptr<GeomAPI_XY> aLineTgPoint, anArcTgPoint;
 988     std::list< std::shared_ptr<GeomAPI_XY> >::iterator anIt = aSuspectCenters.begin();
 989     for (; anIt != aSuspectCenters.end(); anIt++) {
 990       std::shared_ptr<GeomAPI_Dir2d> aCurDir = std::shared_ptr<GeomAPI_Dir2d>(
 991           new GeomAPI_Dir2d((*anIt)->decreased(aCenter[0])));
 992       double aCurAngle = aCurDir->angle(aStartArcDir[0]);
 993       if (anArcAngle[0] < 0.0) aCurAngle *= -1.0;
 994       if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[0]))
 995         continue; // incorrect position
 996       theTangentA = aCenter[0]->added(aCurDir->xy()->multiplied(anArcRadius[0]));
 997
 998       aCurDir = std::shared_ptr<GeomAPI_Dir2d>(new GeomAPI_Dir2d((*anIt)->decreased(aCenter[1])));
 999       aCurAngle = aCurDir->angle(aStartArcDir[1]);
1000       if (anArcAngle[1] < 0.0) aCurAngle *= -1.0;
1001       if (aCurAngle < 0.0 || aCurAngle > fabs(anArcAngle[1]))
1002         continue; // incorrect position
1003       theTangentB = aCenter[1]->added(aCurDir->xy()->multiplied(anArcRadius[1]));
1004
1005       // the center is found, stop searching
1006       theCenter = *anIt;
1007       return;
1008     }
1009   }
1010 }
1011
1012 void getPointOnEdge(const FeaturePtr theFeature,
1013                     const std::shared_ptr<GeomAPI_Pnt2d> theFilletPoint,
1014                     std::shared_ptr<GeomAPI_Pnt2d>& thePoint) {
1015   if(theFeature->getKind() == SketchPlugin_Line::ID()) {
1016     std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1017       theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1018     std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1019       theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1020     if(aPntStart->distance(theFilletPoint) > 1.e-7) {
1021       aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1022         theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1023       aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1024         theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1025     }
1026     thePoint.reset( new GeomAPI_Pnt2d(aPntStart->xy()->added( aPntEnd->xy()->decreased( aPntStart->xy() )->multiplied(1.0 / 3.0) ) ) );
1027   } else {
1028     std::shared_ptr<GeomAPI_Pnt2d> aPntTemp;
1029     std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1030       theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
1031     std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1032       theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
1033     if(theFeature->attribute(SketchPlugin_Arc::INVERSED_ID())) {
1034       aPntTemp = aPntStart;
1035       aPntStart = aPntEnd;
1036       aPntEnd = aPntTemp;
1037     }
1038     std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1039       theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1040     std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1041     double aStartParameter(0), anEndParameter(0);
1042     aCirc->parameter(aPntStart, paramTolerance, aStartParameter);
1043     aCirc->parameter(aPntEnd, paramTolerance, anEndParameter);
1044     if(aPntStart->distance(theFilletPoint) > tolerance) {
1045       double aTmpParameter = aStartParameter;
1046       aStartParameter = anEndParameter;
1047       anEndParameter = aTmpParameter;
1048     }
1049     double aPntParameter = aStartParameter + (anEndParameter - aStartParameter) / 3.0;
1050     aCirc->D0(aPntParameter, thePoint);
1051   }
1052 }
1053
1054 double getProjectionDistance(const FeaturePtr theFeature,
1055                              const std::shared_ptr<GeomAPI_Pnt2d> thePoint)
1056 {
1057   std::shared_ptr<GeomAPI_Pnt2d> aProjectPnt;
1058   if(theFeature->getKind() == SketchPlugin_Line::ID()) {
1059     std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1060       theFeature->attribute(SketchPlugin_Line::START_ID()))->pnt();
1061     std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1062       theFeature->attribute(SketchPlugin_Line::END_ID()))->pnt();
1063     std::shared_ptr<GeomAPI_Lin2d> aLin(new GeomAPI_Lin2d(aPntStart, aPntEnd));
1064     aProjectPnt = aLin->project(thePoint);
1065   } else {
1066     std::shared_ptr<GeomAPI_Pnt2d> aPntStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1067       theFeature->attribute(SketchPlugin_Arc::START_ID()))->pnt();
1068     std::shared_ptr<GeomAPI_Pnt2d> aPntEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1069       theFeature->attribute(SketchPlugin_Arc::END_ID()))->pnt();
1070     std::shared_ptr<GeomAPI_Pnt2d> aCenterPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1071       theFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1072     std::shared_ptr<GeomAPI_Circ2d> aCirc(new GeomAPI_Circ2d(aCenterPnt, aPntStart));
1073     aProjectPnt = aCirc->project(thePoint);
1074   }
1075   if(aProjectPnt.get()) {
1076     return aProjectPnt->distance(thePoint);
1077   }
1078   return -1;
1079 }
1080
1081 std::set<FeaturePtr> getCoincides(const FeaturePtr& theConstraintCoincidence)
1082 {
1083   std::set<FeaturePtr> aCoincides;
1084
1085   std::shared_ptr<GeomAPI_Pnt2d> aFilletPnt = SketchPlugin_Tools::getCoincidencePoint(theConstraintCoincidence);
1086
1087   SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1088                                        SketchPlugin_ConstraintCoincidence::ENTITY_A(),
1089                                        aCoincides);
1090   SketchPlugin_Tools::findCoincidences(theConstraintCoincidence,
1091                                        SketchPlugin_ConstraintCoincidence::ENTITY_B(),
1092                                        aCoincides);
1093
1094   // Remove points from set of coincides.
1095   std::set<FeaturePtr> aNewSetOfCoincides;
1096   for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1097     if((*anIt)->getKind() == SketchPlugin_Line::ID()) {
1098       aNewSetOfCoincides.insert(*anIt);
1099     } else if((*anIt)->getKind() == SketchPlugin_Arc::ID()) {
1100       AttributePtr anAttrCenter = (*anIt)->attribute(SketchPlugin_Arc::CENTER_ID());
1101       std::shared_ptr<GeomDataAPI_Point2D> aPointCenter2D =
1102         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttrCenter);
1103       if(aPointCenter2D.get() && aFilletPnt->isEqual(aPointCenter2D->pnt())) {
1104         continue;
1105       }
1106       aNewSetOfCoincides.insert(*anIt);
1107     }
1108   }
1109   aCoincides = aNewSetOfCoincides;
1110
1111   // If we still have more than two coincides remove auxilary entities from set of coincides.
1112   if(aCoincides.size() > 2) {
1113     aNewSetOfCoincides.clear();
1114     for(std::set<FeaturePtr>::iterator anIt = aCoincides.begin(); anIt != aCoincides.end(); ++anIt) {
1115       if(!(*anIt)->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value()) {
1116         aNewSetOfCoincides.insert(*anIt);
1117       }
1118     }
1119     aCoincides = aNewSetOfCoincides;
1120   }
1121
1122   return aCoincides;
1123 }
1124 */
1125
1126 std::shared_ptr<GeomDataAPI_Point2D> SketchPlugin_ConstraintSplit::getPointOfRefAttr(
1127                                                                   const AttributePtr& theAttribute)
1128 {
1129   AttributePoint2DPtr aPointAttribute;
1130
1131   if (theAttribute->id() == ModelAPI_AttributeRefAttr::typeId()) {
1132     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
1133     if (aRefAttr.get() && aRefAttr->isInitialized()) {
1134       AttributePtr anAttribute = aRefAttr->attr();
1135       if (anAttribute.get() && anAttribute->id() == GeomDataAPI_Point2D::typeId())
1136         aPointAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttribute);
1137     }
1138   }
1139   return aPointAttribute;
1140 }
1141
1142 AttributePoint2DPtr SketchPlugin_ConstraintSplit::getFeaturePoint(const bool& theStartPoint)
1143 {
1144   AttributePoint2DPtr aPointAttribute;
1145
1146   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1147                                            data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
1148   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1149
1150   std::string aFeatureKind = aBaseFeature->getKind();
1151   std::string anAttributeName;
1152   if (aFeatureKind == SketchPlugin_Line::ID())
1153     anAttributeName = theStartPoint ? SketchPlugin_Line::START_ID()
1154                                     : SketchPlugin_Line::END_ID();
1155   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
1156     anAttributeName = theStartPoint ? SketchPlugin_Arc::START_ID()
1157                                     : SketchPlugin_Arc::END_ID();
1158   }
1159   if (!anAttributeName.empty())
1160     aPointAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1161                                                          aBaseFeature->attribute(anAttributeName));
1162   return aPointAttribute;
1163 }
1164
1165 FeaturePtr SketchPlugin_ConstraintSplit::createFeature(const AttributePoint2DPtr& theStartPointAttr,
1166                                                        const AttributePoint2DPtr& theEndPointAttr)
1167 {
1168   FeaturePtr aFeature;
1169
1170   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1171                                            data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
1172   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1173
1174   std::string aFeatureKind = aBaseFeature->getKind();
1175   aFeature = sketch()->addFeature(aFeatureKind);
1176
1177   if (aFeatureKind == SketchPlugin_Line::ID()) {
1178     AttributePoint2DPtr aStartAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1179                                               aFeature->attribute(SketchPlugin_Line::START_ID()));
1180     aStartAttribute->setValue(theStartPointAttr->pnt());
1181
1182     AttributePoint2DPtr anEndAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1183                                               aFeature->attribute(SketchPlugin_Line::END_ID()));
1184     anEndAttribute->setValue(theEndPointAttr->pnt());
1185   }
1186   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
1187     AttributeStringPtr anArcType = std::dynamic_pointer_cast<ModelAPI_AttributeString>(
1188              data()->addAttribute(SketchPlugin_Arc::ARC_TYPE(), ModelAPI_AttributeString::typeId()));
1189
1190     AttributePoint2DPtr aPointAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1191                                                   aFeature->attribute(SketchPlugin_Arc::START_ID()));
1192     aPointAttribute->setValue(theStartPointAttr->pnt());
1193
1194     AttributePoint2DPtr anEndAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1195                                               aFeature->attribute(SketchPlugin_Arc::END_ID()));
1196     anEndAttribute->setValue(theEndPointAttr->pnt());
1197   }
1198
1199   return aFeature;
1200 }