src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_ConstraintSplit.cpp
   4 // Created: 25 Aug 2016
   5 // Author:  Natalia ERMOLAEVA
   6
   7 #include "SketchPlugin_ConstraintSplit.h"
   8
   9 #include <GeomAPI_Dir2d.h>
  10 #include <GeomAPI_Pnt2d.h>
  11 #include <GeomAPI_XY.h>
  12 #include <GeomDataAPI_Point2D.h>
  13 #include <GeomAlgoAPI_ShapeTools.h>
  14
  15 #include <ModelAPI_AttributeReference.h>
  16 #include <ModelAPI_AttributeString.h>
  17 #include <ModelAPI_AttributeRefAttr.h>
  18 #include <ModelAPI_Tools.h>
  19
  20 #include <ModelAPI_Validator.h>
  21 #include <ModelAPI_Session.h>
  22 #include <ModelAPI_AttributeDouble.h>
  23
  24 #include <SketchPlugin_Line.h>
  25 #include <SketchPlugin_Arc.h>
  26 #include <SketchPlugin_Circle.h>
  27 #include <SketchPlugin_ConstraintCoincidence.h>
  28 #include <SketchPlugin_ConstraintEqual.h>
  29 #include <SketchPlugin_ConstraintParallel.h>
  30 #include <SketchPlugin_ConstraintTangent.h>
  31 #include <SketchPlugin_ConstraintLength.h>
  32 #include <SketchPlugin_ConstraintMirror.h>
  33 #include <SketchPlugin_MultiRotation.h>
  34 #include <SketchPlugin_MultiTranslation.h>
  35
  36 #include <ModelAPI_Events.h>
  37 #include <SketchPlugin_Line.h>
  38 #include <SketchPlugin_Arc.h>
  39 #include <SketchPlugin_Circle.h>
  40
  41 #include <ModelGeomAlgo_Point2D.h>
  42 #include <Events_Loop.h>
  43
  44 #include <cmath>
  45
  46 //#define DEBUG_SPLIT
  47 #ifdef DEBUG_SPLIT
  48 #include <iostream>
  49 #endif
  50
  51 static const double PI = 3.141592653589793238463;
  52
  53 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
  54 {
  55 }
  56
  57 void SketchPlugin_ConstraintSplit::initAttributes()
  58 {
  59   data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeReference::typeId());
  60   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  61   data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
  62 }
  63
  64 void SketchPlugin_ConstraintSplit::execute()
  65 {
  66   std::shared_ptr<ModelAPI_Data> aData = data();
  67
  68   // Check the base objects are initialized.
  69   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
  70                                             aData->attribute(SketchPlugin_Constraint::VALUE()));
  71   if(!aBaseObjectAttr->isInitialized()) {
  72     setError("Error: Base object is not initialized.");
  73     return;
  74   }
  75   AttributePoint2DPtr aFirstPointAttrOfSplit =
  76     getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  77   AttributePoint2DPtr aSecondPointAttrOfSplit =
  78     getPointOfRefAttr(aData->attribute(SketchPlugin_Constraint::ENTITY_B()));
  79   if (!aFirstPointAttrOfSplit.get() || !aFirstPointAttrOfSplit->isInitialized() ||
  80       !aSecondPointAttrOfSplit.get() || !aSecondPointAttrOfSplit->isInitialized()) {
  81     setError("Error: Sub-shape is not initialized.");
  82     return;
  83   }
  84
  85   // Wait all constraints being created, then send update events
  86   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
  87   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
  88   if (isUpdateFlushed)
  89     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
  90
  91
  92   // Find feature constraints
  93   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
  94   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
  95   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
  96   std::map<FeaturePtr, IdToPointPair> aTangentFeatures;
  97   std::map<FeaturePtr, IdToPointPair> aCoincidenceToFeature;
  98   getConstraints(aFeaturesToDelete, aFeaturesToUpdate, aTangentFeatures, aCoincidenceToFeature);
  99
 100   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 101   std::list<AttributePtr> aRefsToFeature;
 102   getRefAttributes(aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 103
 104   std::map<AttributePtr, AttributePtr> aBasePointModifiedAttributes;
 105
 106 #ifdef DEBUG_SPLIT
 107   std::cout << std::endl;
 108   std::cout << "SketchPlugin_ConstraintSplit::execute()" << std::endl;
 109   std::cout << std::endl;
 110
 111   SketchPlugin_Sketch* aSketch = sketch();
 112   std::cout << "SKETCH FEATURES (before split) [" << aSketch->numberOfSubs() << "]:" << std::endl;
 113   for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 114     std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 115   }
 116
 117   std::cout << std::endl;
 118   std::cout << "---- IN PARAMETERS ----" << std::endl;
 119   std::cout << "Base feature:" << getFeatureInfo(aBaseFeature) << std::endl;
 120   std::cout << std::endl;
 121
 122   if (!aCoincidenceToFeature.empty()) {
 123     std::cout << "Coincidences to base feature[" <<
 124       aCoincidenceToFeature.size() << "]: " << std::endl;
 125     std::map<FeaturePtr, IdToPointPair>::const_iterator anIt = aCoincidenceToFeature.begin(),
 126                                                         aLast = aCoincidenceToFeature.end();
 127     for (int i = 1; anIt != aLast; anIt++, i++) {
 128       FeaturePtr aFeature = (*anIt).first;
 129       std::string anAttributeId = (*anIt).second.first;
 130       std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = (*anIt).second.second;
 131
 132       std::cout << i << "-" << getFeatureInfo(aFeature) << std::endl;
 133       std::cout <<     " -Attribute to correct:" << anAttributeId << std::endl;
 134       std::cout <<     " -Point attribute:" <<
 135         ModelGeomAlgo_Point2D::getPointAttributeInfo(aPointAttr) << std::endl;
 136     }
 137   }
 138
 139   if (!aTangentFeatures.empty()) {
 140     std::cout << std::endl;
 141     std::cout << "Tangencies to base feature[" << aTangentFeatures.size() << "]: " << std::endl;
 142     std::map<FeaturePtr, IdToPointPair>::const_iterator anIt = aTangentFeatures.begin(),
 143                                                         aLast = aTangentFeatures.end();
 144     for (int i = 1; anIt != aLast; anIt++, i++) {
 145       FeaturePtr aFeature = (*anIt).first;
 146       std::string anAttributeId = (*anIt).second.first;
 147       std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = (*anIt).second.second;
 148
 149       std::cout << i << "-" << getFeatureInfo(aFeature) << std::endl;
 150       std::cout <<     " -Attribute to correct:" << anAttributeId << std::endl;
 151       std::cout <<     " -Point attribute:" <<
 152         ModelGeomAlgo_Point2D::getPointAttributeInfo(aPointAttr) << std::endl;
 153     }
 154   }
 155
 156   std::map<AttributePtr, std::list<AttributePtr> >::const_iterator
 157     aRefIt = aBaseRefAttributes.begin(), aRefLast = aBaseRefAttributes.end();
 158   std::cout << std::endl << "References to attributes of base feature [" <<
 159     aBaseRefAttributes.size() << "]" << std::endl;
 160   for (; aRefIt != aRefLast; aRefIt++) {
 161     AttributePtr aBaseAttr = aRefIt->first;
 162     std::list<AttributePtr> aRefAttributes = aRefIt->second;
 163     std::string aRefsInfo;
 164     std::list<AttributePtr>::const_iterator aRefAttrIt = aRefAttributes.begin(),
 165                                             aRefAttrLast = aRefAttributes.end();
 166     for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 167       if (!aRefsInfo.empty())
 168         aRefsInfo.append(",");
 169       AttributePtr aRAttr = *aRefAttrIt;
 170       aRefsInfo.append(aRAttr->id());
 171       FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 172       aRefsInfo.append("(" + aRFeature->name() + ") ");
 173     }
 174     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr =
 175       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseAttr);
 176     std::cout << aPointAttr->id().c_str() <<
 177       ": " << "[" << aRefAttributes.size() << "] " << aRefsInfo << std::endl;
 178   }
 179   std::cout << std::endl;
 180   std::cout << std::endl << "References to base feature [" <<
 181     aRefsToFeature.size() << "]" << std::endl;
 182   std::list<AttributePtr>::const_iterator aRefAttrIt = aRefsToFeature.begin(),
 183                                           aRefAttrLast = aRefsToFeature.end();
 184   std::string aRefsInfo;
 185   for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 186     if (!aRefsInfo.empty())
 187       aRefsInfo.append(",");
 188     AttributePtr aRAttr = *aRefAttrIt;
 189     aRefsInfo.append(aRAttr->id());
 190     FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 191     aRefsInfo.append("(" + aRFeature->name() + ") ");
 192   }
 193   std::cout << "[" << aRefsToFeature.size() << "] " << aRefsInfo << std::endl;
 194
 195
 196   std::cout << std::endl;
 197   std::cout << "---- SPLIT ----" << std::endl;
 198   std::cout << std::endl;
 199 #endif
 200
 201   std::string aFeatureKind = aBaseFeature->getKind();
 202   FeaturePtr aSplitFeature, anAfterFeature;
 203   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 204   std::set<FeaturePtr> aCreatedFeatures;
 205   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 206   if (aFeatureKind == SketchPlugin_Line::ID())
 207     splitLine(aSplitFeature, aBaseFeature, anAfterFeature, aFurtherCoincidences, aCreatedFeatures,
 208               aModifiedAttributes);
 209   else if (aFeatureKind == SketchPlugin_Arc::ID())
 210     splitArc(aSplitFeature, aBaseFeature, anAfterFeature, aFurtherCoincidences, aCreatedFeatures,
 211              aModifiedAttributes);
 212   if (aFeatureKind == SketchPlugin_Circle::ID()) {
 213     FeaturePtr aCircleFeature = aBaseFeature;
 214     splitCircle(aSplitFeature, aBaseFeature, anAfterFeature, aFurtherCoincidences,
 215       aCreatedFeatures, aModifiedAttributes);
 216
 217     updateRefFeatureConstraints(getFeatureResult(aBaseFeature), aRefsToFeature);
 218
 219     aFeaturesToDelete.insert(aCircleFeature);
 220     // as circle is removed, temporary fill this attribute*/
 221     aBaseObjectAttr->setObject(ResultPtr());
 222   }
 223
 224 #ifdef DEBUG_SPLIT
 225   std::cout << "---- OUT PARAMETERS ----" << std::endl;
 226   std::cout << "Base modified feature:" << getFeatureInfo(aBaseFeature) << std::endl;
 227   std::cout << "Split feature:" << getFeatureInfo(aSplitFeature) << std::endl;
 228   std::cout << "After feature:" << getFeatureInfo(anAfterFeature) << std::endl;
 229   std::cout << std::endl;
 230
 231   std::cout << "Created features by split:[" << aCreatedFeatures.size() << "]" << std::endl;
 232   std::set<FeaturePtr>::const_iterator aFIt = aCreatedFeatures.begin(),
 233                                        aFLast = aCreatedFeatures.end();
 234   for (; aFIt != aFLast; aFIt++) {
 235     std::cout << getFeatureInfo(*aFIt) << std::endl;
 236   }
 237   std::cout << std::endl;
 238
 239   std::cout << "Attributes for further Coincidences:" << std::endl;
 240   std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 241                                                 aLast = aFurtherCoincidences.end();
 242   for (; anIt != aLast; anIt++) {
 243     AttributePtr anAttribute = *anIt;
 244     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttribute->owner());
 245     std::cout << ModelGeomAlgo_Point2D::getPointAttributeInfo(anAttribute)
 246               << " [" << getFeatureInfo(aFeature, false) << "]" << std::endl;
 247   }
 248
 249   std::cout << "Modifed attributes (constraints to attributes are moved here):" << std::endl;
 250   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 251     aPIt = aModifiedAttributes.begin(), aPLast = aModifiedAttributes.end();
 252   std::string aResInfo;
 253   for (; aPIt != aPLast; aPIt++) {
 254     if (!aResInfo.empty())
 255       aResInfo += "\n";
 256
 257     std::pair<AttributePtr, AttributePtr> aPair = *aPIt;
 258
 259     AttributePtr anAttr = aPair.first;
 260     aResInfo.append(anAttr->id());
 261     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->owner());
 262     aResInfo.append("(" + aFeature->name() + ") ");
 263
 264     aResInfo.append("  - is modified to -  ");
 265
 266     anAttr = aPair.second;
 267     aResInfo.append(anAttr->id());
 268     aFeature = ModelAPI_Feature::feature(anAttr->owner());
 269     aResInfo.append("(" + aFeature->name() + ") ");
 270   }
 271   std::cout << aResInfo << std::endl;
 272 #endif
 273
 274   std::set<ResultPtr> aFeatureResults;
 275   aFeatureResults.insert(getFeatureResult(aBaseFeature));
 276   if (anAfterFeature.get() && anAfterFeature != aBaseFeature)
 277     aFeatureResults.insert(getFeatureResult(anAfterFeature));
 278
 279   // coincidence to feature
 280   updateCoincidenceConstraintsToFeature(aCoincidenceToFeature, aFurtherCoincidences,
 281                                         aFeatureResults);
 282   // tangency
 283   updateTangentConstraintsToFeature(aTangentFeatures, aFurtherCoincidences);
 284
 285   updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes);
 286
 287   // delete constraints
 288 #ifdef DEBUG_SPLIT
 289   std::cout << "remove features and references:" << std::endl;
 290   std::set<FeaturePtr>::const_iterator aDIt = aFeaturesToDelete.begin(),
 291                                        aDLast = aFeaturesToDelete.end();
 292   for (; aDIt != aDLast; aDIt++) {
 293     std::cout << getFeatureInfo(*aDIt, false) << std::endl;
 294     std::cout << std::endl;
 295   }
 296 #endif
 297   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 298
 299 #ifdef DEBUG_SPLIT
 300   std::cout << "update features after split:" << std::endl;
 301   std::set<FeaturePtr>::const_iterator anUIt = aFeaturesToUpdate.begin(),
 302                                        anULast = aFeaturesToUpdate.end();
 303   for (; anUIt != anULast; anUIt++) {
 304     std::cout << getFeatureInfo(*anUIt, false) << std::endl;
 305     std::cout << std::endl;
 306   }
 307 #endif
 308   updateFeaturesAfterSplit(aFeaturesToUpdate);
 309
 310   // Send events to update the sub-features by the solver.
 311   if(isUpdateFlushed) {
 312     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 313   }
 314
 315 #ifdef DEBUG_SPLIT
 316   std::cout << "SKETCH FEATURES (after split) [" << aSketch->numberOfSubs() << "]:" << std::endl;
 317   for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 318     std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 319   }
 320 #endif
 321 }
 322
 323 bool SketchPlugin_ConstraintSplit::isMacro() const
 324 {
 325   return true;
 326 }
 327
 328 AISObjectPtr SketchPlugin_ConstraintSplit::getAISObject(AISObjectPtr thePrevious)
 329 {
 330   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 331                                            data()->attribute(SketchPlugin_Constraint::VALUE()));
 332   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 333
 334   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointOfRefAttr(
 335                                         data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
 336   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointOfRefAttr(
 337                                         data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
 338
 339   if (aBaseObjectAttr->isInitialized() && aBaseFeature.get() &&
 340       aFirstPointAttrOfSplit->isInitialized() &&
 341       aSecondPointAttrOfSplit->isInitialized()) {
 342
 343     ResultPtr aResult = getFeatureResult(aBaseFeature);
 344     GeomShapePtr aBaseShape = aResult->shape();
 345     std::list<std::shared_ptr<GeomAPI_Pnt> > aPoints;
 346
 347     std::shared_ptr<GeomAPI_Pnt2d> aStartPnt2d = aFirstPointAttrOfSplit->pnt();
 348     std::shared_ptr<GeomAPI_Pnt> aStartPoint = sketch()->to3D(aStartPnt2d->x(), aStartPnt2d->y());
 349     aPoints.push_back(aStartPoint);
 350
 351     std::shared_ptr<GeomAPI_Pnt2d> aSecondPnt2d = aSecondPointAttrOfSplit->pnt();
 352     std::shared_ptr<GeomAPI_Pnt> aSecondPoint =
 353       sketch()->to3D(aSecondPnt2d->x(), aSecondPnt2d->y());
 354     aPoints.push_back(aSecondPoint);
 355
 356     std::set<std::shared_ptr<GeomAPI_Shape> > aSplitShapes;
 357
 358     GeomAlgoAPI_ShapeTools::splitShape(aBaseShape, aPoints, aSplitShapes);
 359     std::shared_ptr<GeomAPI_Shape> aShape =
 360       GeomAlgoAPI_ShapeTools::findShape(aPoints, aSplitShapes);
 361
 362     AISObjectPtr anAIS = thePrevious;
 363     if (aShape) {
 364       if (!anAIS)
 365         anAIS = AISObjectPtr(new GeomAPI_AISObject);
 366       anAIS->createShape(aShape);
 367       anAIS->setWidth(5);
 368       std::vector<int> aColor;
 369       aColor = Config_PropManager::color("Visualization", "sketch_entity_color",
 370                                           SKETCH_ENTITY_COLOR);
 371      anAIS->setColor(aColor[0], aColor[1], aColor[2]);
 372     }
 373     return anAIS;
 374   }
 375   return AISObjectPtr();
 376 }
 377
 378 std::shared_ptr<GeomDataAPI_Point2D> SketchPlugin_ConstraintSplit::getPointOfRefAttr(
 379                                                       const AttributePtr& theAttribute)
 380 {
 381   AttributePoint2DPtr aPointAttribute;
 382
 383   if (theAttribute->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 384     AttributeRefAttrPtr aRefAttr =
 385       std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
 386     if (aRefAttr.get() && aRefAttr->isInitialized()) {
 387       AttributePtr anAttribute = aRefAttr->attr();
 388       if (anAttribute.get() && anAttribute->attributeType() == GeomDataAPI_Point2D::typeId())
 389         aPointAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttribute);
 390     }
 391   }
 392   return aPointAttribute;
 393 }
 394
 395 void SketchPlugin_ConstraintSplit::getFeaturePoints(AttributePoint2DPtr& theStartPointAttr,
 396                                                     AttributePoint2DPtr& theEndPointAttr)
 397 {
 398   AttributePoint2DPtr aPointAttribute;
 399
 400   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 401                                            data()->attribute(SketchPlugin_Constraint::VALUE()));
 402   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 403
 404   std::string aFeatureKind = aBaseFeature->getKind();
 405   std::string aStartAttributeName, anEndAttributeName;
 406   if (aFeatureKind == SketchPlugin_Line::ID()) {
 407     aStartAttributeName = SketchPlugin_Line::START_ID();
 408     anEndAttributeName = SketchPlugin_Line::END_ID();
 409   }
 410   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 411     aStartAttributeName = SketchPlugin_Arc::START_ID();
 412     anEndAttributeName = SketchPlugin_Arc::END_ID();
 413   }
 414   if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
 415     theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 416                                          aBaseFeature->attribute(aStartAttributeName));
 417     theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 418                                          aBaseFeature->attribute(anEndAttributeName));
 419   }
 420 }
 421
 422 void SketchPlugin_ConstraintSplit::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete,
 423                                       std::set<FeaturePtr>& theFeaturesToUpdate,
 424                                       std::map<FeaturePtr, IdToPointPair>& theTangentFeatures,
 425                                       std::map<FeaturePtr, IdToPointPair>& theCoincidenceToFeature)
 426 {
 427   std::shared_ptr<ModelAPI_Data> aData = data();
 428
 429   // Check the base objects are initialized.
 430   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 431                                             aData->attribute(SketchPlugin_Constraint::VALUE()));
 432   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 433   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
 434
 435   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 436   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 437   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 438
 439   std::set<AttributePtr>::const_iterator aIt;
 440   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 441     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 442     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 443     std::string aRefFeatureKind = aRefFeature->getKind();
 444     if (aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() ||
 445         aRefFeatureKind == SketchPlugin_MultiRotation::ID() ||
 446         aRefFeatureKind == SketchPlugin_MultiTranslation::ID())
 447       theFeaturesToDelete.insert(aRefFeature);
 448     else if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID())
 449       theFeaturesToUpdate.insert(aRefFeature);
 450     else if (aRefFeatureKind == SketchPlugin_ConstraintTangent::ID()) {
 451       if (aBaseFeature->getKind() == SketchPlugin_Circle::ID()) /// TEMPORARY limitaion
 452         /// until tangency between arc and line is implemented
 453         theFeaturesToDelete.insert(aRefFeature);
 454       else {
 455         std::string anAttributeToBeModified;
 456         AttributePoint2DPtr aTangentPoint;
 457         ObjectPtr aResult1 = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_A())->object();
 458         ObjectPtr aResult2 = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_B())->object();
 459         if (aResult1.get() && aResult2.get()) {
 460           FeaturePtr aCoincidenceFeature =
 461             SketchPlugin_ConstraintCoincidence::findCoincidenceFeature
 462                                                        (ModelAPI_Feature::feature(aResult1),
 463                                                         ModelAPI_Feature::feature(aResult2));
 464           // get the point not lying on the splitting feature
 465           for (int i = 0; i < CONSTRAINT_ATTR_SIZE; ++i) {
 466             AttributeRefAttrPtr aRefAttr = aCoincidenceFeature->refattr(ATTRIBUTE(i));
 467             if (!aRefAttr || aRefAttr->isObject())
 468               continue;
 469             AttributePoint2DPtr aPoint =
 470                 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aRefAttr->attr());
 471             if (!aPoint)
 472               continue;
 473             if (aPoint->owner() != aBaseFeature) {
 474               aTangentPoint = aPoint;
 475               break;
 476             }
 477           }
 478         }
 479         if (aTangentPoint.get()) {
 480           FeaturePtr aFeature1 = ModelAPI_Feature::feature(aResult1);
 481           std::string anAttributeToBeModified = aFeature1 == aBaseFeature
 482                        ? SketchPlugin_Constraint::ENTITY_A() : SketchPlugin_Constraint::ENTITY_B();
 483           theTangentFeatures[aRefFeature] = std::make_pair(anAttributeToBeModified, aTangentPoint);
 484         }
 485         else /// there is not coincident point between tangent constraint
 486           theFeaturesToDelete.insert(aRefFeature);
 487       }
 488     }
 489     else if (aRefFeatureKind == SketchPlugin_ConstraintCoincidence::ID()) {
 490       std::string anAttributeToBeModified;
 491       AttributePoint2DPtr aCoincidentPoint;
 492       AttributeRefAttrPtr anAttrA = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_A());
 493       AttributeRefAttrPtr anAttrB = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_B());
 494       bool isToFeature = false;
 495       if (anAttrA->isObject() || anAttrB->isObject()) { /// coincidence to base feature
 496         FeaturePtr aFeature = anAttrA->isObject() ? ModelAPI_Feature::feature(anAttrA->object())
 497                                                   : FeaturePtr();
 498         isToFeature = aFeature.get() && aFeature == aBaseFeature;
 499         anAttributeToBeModified = anAttrA->id();
 500         if (!isToFeature) {
 501           aFeature = anAttrB->isObject() ? ModelAPI_Feature::feature(anAttrB->object())
 502                                          : FeaturePtr();
 503           isToFeature = aFeature.get() && aFeature == aBaseFeature;
 504           anAttributeToBeModified = anAttrB->id();
 505         }
 506         if (isToFeature)
 507           aCoincidentPoint = SketchPlugin_ConstraintCoincidence::getPoint(aRefFeature);
 508       }
 509       if (!isToFeature) { /// coincidence to point on base feature
 510         AttributePtr anAttribute;
 511
 512         if (!anAttrA->isObject()) {
 513           AttributePtr aCurAttribute = anAttrA->attr();
 514           if (aCurAttribute.get()) {
 515             FeaturePtr aCurFeature = ModelAPI_Feature::feature(aCurAttribute->owner());
 516             if (aCurFeature.get() && aCurFeature == aBaseFeature) {
 517               anAttribute = anAttrB->attr();
 518               anAttributeToBeModified = anAttrA->id();
 519             }
 520           }
 521         }
 522         if (!anAttribute.get() && !anAttrB->isObject()) {
 523           AttributePtr aCurAttribute = anAttrB->attr();
 524           if (aCurAttribute.get()) {
 525             FeaturePtr aCurFeature = ModelAPI_Feature::feature(aCurAttribute->owner());
 526             if (aCurFeature.get() && aCurFeature == aBaseFeature) {
 527               anAttribute = anAttrA->attr();
 528               anAttributeToBeModified = anAttrB->id();
 529             }
 530           }
 531         }
 532         if (anAttribute.get())
 533           aCoincidentPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttribute);
 534       }
 535       if (aCoincidentPoint.get() && isToFeature)
 536         theCoincidenceToFeature[aRefFeature] = std::make_pair(anAttributeToBeModified,
 537                                                               aCoincidentPoint);
 538     }
 539   }
 540 }
 541
 542 void SketchPlugin_ConstraintSplit::getRefAttributes(const FeaturePtr& theFeature,
 543                                     std::map<AttributePtr, std::list<AttributePtr> >& theRefs,
 544                                     std::list<AttributePtr>& theRefsToFeature)
 545 {
 546   theRefs.clear();
 547
 548   std::list<AttributePtr> aPointAttributes =
 549     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 550   std::set<AttributePtr> aPointAttributesSet;
 551
 552   std::list<AttributePtr>::const_iterator aPIt =
 553     aPointAttributes.begin(), aPLast = aPointAttributes.end();
 554   for (; aPIt != aPLast; aPIt++)
 555     aPointAttributesSet.insert(*aPIt);
 556
 557   std::set<AttributePtr> aRefsAttributes = getFeatureResult(theFeature)->data()->refsToMe();
 558   std::set<AttributePtr> aFRefsList = theFeature->data()->refsToMe();
 559   aRefsAttributes.insert(aFRefsList.begin(), aFRefsList.end());
 560
 561   std::set<AttributePtr>::const_iterator aIt;
 562   for (aIt = aRefsAttributes.cbegin(); aIt != aRefsAttributes.cend(); ++aIt) {
 563     AttributePtr anAttr = (*aIt);
 564     FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttr->owner());
 565     if (anAttrFeature.get() != this &&
 566         anAttr.get() && anAttr->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 567       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
 568       if (!aRefAttr->isObject()) { /// find attributes referenced to feature point attributes
 569         AttributePtr anAttrInRef = aRefAttr->attr();
 570         if (anAttrInRef.get() &&
 571             aPointAttributesSet.find(anAttrInRef) != aPointAttributesSet.end()) {
 572           if (theRefs.find(anAttrInRef) != theRefs.end())
 573             theRefs[anAttrInRef].push_back(aRefAttr);
 574           else {
 575             std::list<AttributePtr> anAttrList;
 576             anAttrList.push_back(aRefAttr);
 577             theRefs[anAttrInRef] = anAttrList;
 578           }
 579         }
 580       }
 581       else { /// find attributes referenced to feature itself
 582         theRefsToFeature.push_back(anAttr);
 583       }
 584     }
 585   }
 586 }
 587
 588 void SketchPlugin_ConstraintSplit::updateCoincidenceConstraintsToFeature(
 589       const std::map<std::shared_ptr<ModelAPI_Feature>, IdToPointPair>& theCoincidenceToFeature,
 590       const std::set<std::shared_ptr<GeomDataAPI_Point2D> >& theFurtherCoincidences,
 591       const std::set<ResultPtr>& theFeatureResults)
 592 {
 593   if (theCoincidenceToFeature.empty())
 594     return;
 595
 596   std::map<FeaturePtr, IdToPointPair>::const_iterator aCIt = theCoincidenceToFeature.begin(),
 597                                                             aCLast = theCoincidenceToFeature.end();
 598 #ifdef DEBUG_SPLIT
 599   std::cout << std::endl;
 600   std::cout << "Coincidences to feature(modified):"<< std::endl;
 601 #endif
 602   for (; aCIt != aCLast; aCIt++) {
 603     FeaturePtr aCoincFeature = aCIt->first;
 604     std::string anAttributeId = aCIt->second.first;
 605     AttributePoint2DPtr aCoincPoint = aCIt->second.second;
 606     std::set<AttributePoint2DPtr>::const_iterator aFCIt = theFurtherCoincidences.begin(),
 607                                                   aFCLast = theFurtherCoincidences.end();
 608     std::shared_ptr<GeomAPI_Pnt2d> aCoincPnt = aCoincPoint->pnt();
 609     AttributePoint2DPtr aFeaturePointAttribute;
 610     for (; aFCIt != aFCLast && !aFeaturePointAttribute.get(); aFCIt++) {
 611       AttributePoint2DPtr aFCAttribute = *aFCIt;
 612       if (aCoincPnt->isEqual(aFCAttribute->pnt()))
 613         aFeaturePointAttribute = aFCAttribute;
 614     }
 615     if (aFeaturePointAttribute.get()) {
 616       aCoincFeature->refattr(anAttributeId)->setObject(ResultPtr());
 617       aCoincFeature->refattr(anAttributeId)->setAttr(aFeaturePointAttribute);
 618     }
 619     else {
 620       /// find feature by shape intersected the point
 621       ResultPtr aResultForCoincidence = *(theFeatureResults.begin());
 622
 623       if (theFeatureResults.size() > 1) { // try to find point on additional feature
 624         ResultPtr anAddtionalResult = *(theFeatureResults.begin()++);
 625         GeomShapePtr aShape = anAddtionalResult->shape();
 626
 627         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = aCoincPoint->pnt();
 628         std::shared_ptr<GeomAPI_Pnt> aPoint = sketch()->to3D(aPnt2d->x(), aPnt2d->y());
 629
 630         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 631         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPoint, aProjectedPoint))
 632           aResultForCoincidence = anAddtionalResult;
 633       }
 634       aCoincFeature->refattr(anAttributeId)->setObject(aResultForCoincidence);
 635     }
 636 #ifdef DEBUG_SPLIT
 637   std::cout << " -" << getFeatureInfo(aCoincFeature) << std::endl;
 638 #endif
 639   }
 640 }
 641
 642 void SketchPlugin_ConstraintSplit::updateTangentConstraintsToFeature(
 643       const std::map<std::shared_ptr<ModelAPI_Feature>, IdToPointPair>& theTangentFeatures,
 644       const std::set<std::shared_ptr<GeomDataAPI_Point2D> >& theFurtherCoincidences)
 645 {
 646   if (theTangentFeatures.empty())
 647     return;
 648
 649   std::map<FeaturePtr, IdToPointPair>::const_iterator aTIt = theTangentFeatures.begin(),
 650                                                       aTLast = theTangentFeatures.end();
 651 #ifdef DEBUG_SPLIT
 652   std::cout << std::endl;
 653   std::cout << "Tangencies to feature(modified):"<< std::endl;
 654 #endif
 655   for (; aTIt != aTLast; aTIt++) {
 656     FeaturePtr aTangentFeature = aTIt->first;
 657     std::string anAttributeId = aTIt->second.first;
 658     AttributePoint2DPtr aTangentPoint = aTIt->second.second;
 659     std::set<AttributePoint2DPtr>::const_iterator aFCIt = theFurtherCoincidences.begin(),
 660                                                   aFCLast = theFurtherCoincidences.end();
 661     std::shared_ptr<GeomAPI_Pnt2d> aCoincPnt = aTangentPoint->pnt();
 662     AttributePoint2DPtr aFeaturePointAttribute;
 663     /// here we rely on created coincidence between further coincidence point and tangent result
 664     for (; aFCIt != aFCLast && !aFeaturePointAttribute.get(); aFCIt++) {
 665       AttributePoint2DPtr aFCAttribute = *aFCIt;
 666       if (aCoincPnt->isEqual(aFCAttribute->pnt()))
 667         aFeaturePointAttribute = aFCAttribute;
 668     }
 669     if (aFeaturePointAttribute.get()) {
 670       FeaturePtr aFeature =
 671         std::dynamic_pointer_cast<ModelAPI_Feature>(aFeaturePointAttribute->owner());
 672       aTangentFeature->refattr(anAttributeId)->setObject(getFeatureResult(aFeature));
 673     }
 674 #ifdef DEBUG_SPLIT
 675   std::cout << " -" << getFeatureInfo(aTangentFeature) << std::endl;
 676 #endif
 677   }
 678 }
 679
 680 void SketchPlugin_ConstraintSplit::updateRefFeatureConstraints(
 681                                                   const ResultPtr& theFeatureBaseResult,
 682                                                   const std::list<AttributePtr>& theRefsToFeature)
 683 {
 684   std::list<AttributePtr>::const_iterator anIt = theRefsToFeature.begin(),
 685                                           aLast = theRefsToFeature.end();
 686   for (; anIt != aLast; anIt++) {
 687     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIt);
 688     if (aRefAttr.get())
 689       aRefAttr->setObject(theFeatureBaseResult);
 690   }
 691 }
 692
 693 void SketchPlugin_ConstraintSplit::updateRefAttConstraints(
 694                     const std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 695                     const std::set<std::pair<AttributePtr, AttributePtr> >& theModifiedAttributes)
 696 {
 697 #ifdef DEBUG_SPLIT
 698   std::cout << "SketchPlugin_ConstraintSplit::updateRefAttConstraints" << std::endl;
 699 #endif
 700
 701   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 702     anIt = theModifiedAttributes.begin(),  aLast = theModifiedAttributes.end();
 703   for (; anIt != aLast; anIt++) {
 704     AttributePtr anAttribute = anIt->first;
 705
 706     /// not found in references
 707     if (theBaseRefAttributes.find(anAttribute) == theBaseRefAttributes.end())
 708       continue;
 709     std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(anAttribute);
 710     std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 711                                             aRLast = aRefAttributes.end();
 712
 713     AttributePtr aNewAttribute = anIt->second;
 714     for (; aRefIt != aRLast; aRefIt++) {
 715       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 716       if (aRefAttr.get()) {
 717         aRefAttr->setAttr(aNewAttribute);
 718 #ifdef DEBUG_SPLIT
 719         FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->owner());
 720         std::cout << " -" << getFeatureInfo(aFeature) << std::endl;
 721 #endif
 722       }
 723     }
 724   }
 725 }
 726
 727 void SketchPlugin_ConstraintSplit::splitLine(FeaturePtr& theSplitFeature,
 728                                              FeaturePtr& theBaseFeatureModified,
 729                                              FeaturePtr& theAfterFeature,
 730                                              std::set<AttributePoint2DPtr>& thePoints,
 731                                              std::set<FeaturePtr>& theCreatedFeatures,
 732                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 733 {
 734   std::set<FeaturePtr> aCreatedFeatures;
 735   FeaturePtr aConstraintFeature;
 736   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
 737
 738   SketchPlugin_Sketch* aSketch = sketch();
 739   if (!aSketch)
 740     return;
 741
 742   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 743                                            data()->attribute(SketchPlugin_Constraint::VALUE()));
 744   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 745   std::string aFeatureKind = aBaseFeature->getKind();
 746   if (aFeatureKind != SketchPlugin_Line::ID())
 747     return;
 748
 749   AttributePoint2DPtr aFirstPointAttrOfSplit =
 750     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
 751   AttributePoint2DPtr aSecondPointAttrOfSplit =
 752     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
 753   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 754   getFeaturePoints(aStartPointAttrOfBase, anEndPointAttrOfBase);
 755   if (!aStartPointAttrOfBase.get() && !anEndPointAttrOfBase.get()) {
 756     setError("Error: Feature has no start and end points.");
 757     return;
 758   }
 759
 760   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 761                       aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 762
 763 #ifdef DEBUG_SPLIT
 764   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 765   std::cout << "Start point: " <<
 766     ModelGeomAlgo_Point2D::getPointAttributeInfo(aStartPointAttrOfBase) << std::endl;
 767   std::cout << "1st point:   " <<
 768     ModelGeomAlgo_Point2D::getPointAttributeInfo(aFirstPointAttrOfSplit) << std::endl;
 769   std::cout << "2nd point:   " <<
 770     ModelGeomAlgo_Point2D::getPointAttributeInfo(aSecondPointAttrOfSplit) << std::endl;
 771   std::cout << "End point:   " <<
 772     ModelGeomAlgo_Point2D::getPointAttributeInfo(anEndPointAttrOfBase) << std::endl;
 773 #endif
 774
 775   /// create a split feature
 776   theSplitFeature =
 777     createLineFeature(aBaseFeature, aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 778   theCreatedFeatures.insert(theSplitFeature);
 779
 780   // before split feature
 781   if (aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 782     theModifiedAttributes.insert(std::make_pair(aStartPointAttrOfBase,
 783                                         theSplitFeature->attribute(SketchPlugin_Line::START_ID())));
 784   }
 785   else {
 786     theBaseFeatureModified = aBaseFeature; ///< use base feature to store all constraints here
 787     /// move end arc point to start of split
 788   }
 789
 790   // after split feature
 791   if (!aSecondPointAttrOfSplit->pnt()->isEqual(anEndPointAttrOfBase->pnt())) {
 792     FeaturePtr aFeature;
 793     if (!theBaseFeatureModified.get()) {
 794       aFeature = aBaseFeature; ///< use base feature to store all constraints here
 795       fillAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), aSecondPointAttrOfSplit);
 796       aFeature->execute(); // to update result
 797     }
 798     else {
 799       aFeature = createLineFeature(aBaseFeature, aSecondPointAttrOfSplit, anEndPointAttrOfBase);
 800       theCreatedFeatures.insert(aFeature);
 801       theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 802                                              aFeature->attribute(SketchPlugin_Line::END_ID())));
 803     }
 804     aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
 805                      theSplitFeature->attribute(SketchPlugin_Line::END_ID()),
 806                      aFeature->attribute(SketchPlugin_Line::START_ID()));
 807     theCreatedFeatures.insert(aConstraintFeature);
 808
 809     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 810                                 (aFeature->attribute(SketchPlugin_Line::START_ID())));
 811     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 812                                 (aFeature->attribute(SketchPlugin_Line::END_ID())));
 813
 814     if (!theBaseFeatureModified.get())
 815       theBaseFeatureModified = aFeature;
 816     else
 817       theAfterFeature = aFeature;
 818   }
 819   else {
 820     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 821                                   (theSplitFeature->attribute(SketchPlugin_Line::END_ID())));
 822     theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 823                                    theSplitFeature->attribute(SketchPlugin_Line::END_ID())));
 824   }
 825   // base split, that is defined before split feature should be changed at end
 826   // (after the after feature creation). Otherwise modified value will be used in after feature
 827   // before split feature
 828   if (!aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 829     /// move end arc point to start of split
 830     fillAttribute(theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID()),
 831                                                     aFirstPointAttrOfSplit);
 832     theBaseFeatureModified->execute(); // to update result
 833     aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
 834                      theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID()),
 835                      theSplitFeature->attribute(SketchPlugin_Line::START_ID()));
 836     theCreatedFeatures.insert(aConstraintFeature);
 837
 838     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 839                              (theBaseFeatureModified->attribute(SketchPlugin_Line::START_ID())));
 840     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 841                                (theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID())));
 842   }
 843   else
 844     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 845                                        (theSplitFeature->attribute(SketchPlugin_Line::START_ID())));
 846
 847   // additional constraints between split and base features
 848   aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintParallel::ID(),
 849                                                        getFeatureResult(aBaseFeature),
 850                                                        getFeatureResult(theSplitFeature));
 851   theCreatedFeatures.insert(aConstraintFeature);
 852   if (theAfterFeature.get()) {
 853     aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintParallel::ID(),
 854                                                     getFeatureResult(aBaseFeature),
 855                                                     getFeatureResult(theAfterFeature));
 856     theCreatedFeatures.insert(aConstraintFeature);
 857   }
 858 }
 859
 860 void SketchPlugin_ConstraintSplit::splitArc(FeaturePtr& theSplitFeature,
 861                                             FeaturePtr& theBaseFeatureModified,
 862                                             FeaturePtr& theAfterFeature,
 863                                             std::set<AttributePoint2DPtr>& thePoints,
 864                                             std::set<FeaturePtr>& theCreatedFeatures,
 865                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 866 {
 867   std::set<FeaturePtr> aCreatedFeatures;
 868   FeaturePtr aConstraintFeature;
 869   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
 870
 871   SketchPlugin_Sketch* aSketch = sketch();
 872   if (!aSketch)
 873     return;
 874
 875   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 876                                            data()->attribute(SketchPlugin_Constraint::VALUE()));
 877   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 878   std::string aFeatureKind = aBaseFeature->getKind();
 879   if (aFeatureKind != SketchPlugin_Arc::ID())
 880     return;
 881
 882   AttributePoint2DPtr aFirstPointAttrOfSplit =
 883     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
 884   AttributePoint2DPtr aSecondPointAttrOfSplit =
 885     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
 886   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 887   getFeaturePoints(aStartPointAttrOfBase, anEndPointAttrOfBase);
 888   if (!aStartPointAttrOfBase.get() && !anEndPointAttrOfBase.get()) {
 889     setError("Error: Feature has no start and end points.");
 890     return;
 891   }
 892
 893   // manually change type of arc to avoid incorrect self-constrainting of the tangent arc
 894   aBaseFeature->string(SketchPlugin_Arc::ARC_TYPE())->setValue(
 895       SketchPlugin_Arc::ARC_TYPE_CENTER_START_END());
 896
 897   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 898                      aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 899 #ifdef DEBUG_SPLIT
 900   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 901   std::cout << "Start point: " <<
 902     ModelGeomAlgo_Point2D::getPointAttributeInfo(aStartPointAttrOfBase) << std::endl;
 903   std::cout << "1st point:   " <<
 904     ModelGeomAlgo_Point2D::getPointAttributeInfo(aFirstPointAttrOfSplit) << std::endl;
 905   std::cout << "2nd point:   " <<
 906     ModelGeomAlgo_Point2D::getPointAttributeInfo(aSecondPointAttrOfSplit) << std::endl;
 907   std::cout << "End point:   " <<
 908     ModelGeomAlgo_Point2D::getPointAttributeInfo(anEndPointAttrOfBase) << std::endl;
 909 #endif
 910
 911   /// split feature
 912   theSplitFeature = createArcFeature(aBaseFeature, aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 913   theCreatedFeatures.insert(theSplitFeature);
 914
 915   // before split feature
 916   if (aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 917     theModifiedAttributes.insert(std::make_pair(aStartPointAttrOfBase,
 918                                   theSplitFeature->attribute(SketchPlugin_Arc::START_ID())));
 919   }
 920   else {
 921     theBaseFeatureModified = aBaseFeature; ///< use base feature to store all constraints here
 922     /// move end arc point to start of split
 923   }
 924
 925   // after split feature
 926   if (!aSecondPointAttrOfSplit->pnt()->isEqual(anEndPointAttrOfBase->pnt())) {
 927     FeaturePtr aFeature;
 928     if (!theBaseFeatureModified.get()) {
 929       aFeature = aBaseFeature; ///< use base feature to store all constraints here
 930       fillAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), aSecondPointAttrOfSplit);
 931       aFeature->execute(); // to update result
 932     }
 933     else {
 934       aFeature = createArcFeature(aBaseFeature, aSecondPointAttrOfSplit, anEndPointAttrOfBase);
 935       theCreatedFeatures.insert(aFeature);
 936       theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 937                                                   aFeature->attribute(SketchPlugin_Arc::END_ID())));
 938     }
 939     aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
 940                      theSplitFeature->attribute(SketchPlugin_Arc::END_ID()),
 941                      aFeature->attribute(SketchPlugin_Arc::START_ID()));
 942     theCreatedFeatures.insert(aConstraintFeature);
 943
 944     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 945                                 (aFeature->attribute(SketchPlugin_Arc::START_ID())));
 946     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 947                                 (aFeature->attribute(SketchPlugin_Arc::END_ID())));
 948
 949     if (!theBaseFeatureModified.get())
 950       theBaseFeatureModified = aFeature;
 951     else
 952       theAfterFeature = aFeature;
 953   }
 954   else {
 955     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 956                                   (theSplitFeature->attribute(SketchPlugin_Arc::END_ID())));
 957     theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 958                                    theSplitFeature->attribute(SketchPlugin_Arc::END_ID())));
 959   }
 960   // base split, that is defined before split feature should be changed at end
 961   // (after the after feature creation). Otherwise modified value will be used in after feature
 962   // before split feature
 963   if (!aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 964     /// move end arc point to start of split
 965     fillAttribute(theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID()),
 966                                                     aFirstPointAttrOfSplit);
 967     theBaseFeatureModified->execute(); // to update result
 968     aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
 969                      theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID()),
 970                      theSplitFeature->attribute(SketchPlugin_Arc::START_ID()));
 971     theCreatedFeatures.insert(aConstraintFeature);
 972
 973     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 974                              (theBaseFeatureModified->attribute(SketchPlugin_Arc::START_ID())));
 975     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 976                                (theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID())));
 977   }
 978   else
 979     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 980                                        (theSplitFeature->attribute(SketchPlugin_Arc::START_ID())));
 981
 982   // additional constraints between split and base features
 983   aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintEqual::ID(),
 984                                                        getFeatureResult(aBaseFeature),
 985                                                        getFeatureResult(theSplitFeature));
 986   theCreatedFeatures.insert(aConstraintFeature);
 987   aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintTangent::ID(),
 988                                                        getFeatureResult(theSplitFeature),
 989                                                        getFeatureResult(aBaseFeature));
 990   theCreatedFeatures.insert(aConstraintFeature);
 991   if (theAfterFeature.get()) {
 992     aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintEqual::ID(),
 993                                                     getFeatureResult(aBaseFeature),
 994                                                     getFeatureResult(theAfterFeature));
 995     theCreatedFeatures.insert(aConstraintFeature);
 996     aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintTangent::ID(),
 997                                                     getFeatureResult(theSplitFeature),
 998                                                     getFeatureResult(theAfterFeature));
 999     theCreatedFeatures.insert(aConstraintFeature);
1000   }
1001 }
1002
1003 void SketchPlugin_ConstraintSplit::splitCircle(FeaturePtr& theSplitFeature,
1004                                                FeaturePtr& theBaseFeatureModified,
1005                                                FeaturePtr& theAfterFeature,
1006                                                std::set<AttributePoint2DPtr>& thePoints,
1007                                                std::set<FeaturePtr>& theCreatedFeatures,
1008                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
1009 {
1010   std::set<FeaturePtr> aCreatedFeatures;
1011   FeaturePtr aConstraintFeature;
1012   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
1013
1014   SketchPlugin_Sketch* aSketch = sketch();
1015   if (!aSketch)
1016     return;
1017
1018   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1019                                            data()->attribute(SketchPlugin_Constraint::VALUE()));
1020   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1021   std::string aFeatureKind = aBaseFeature->getKind();
1022   if (aFeatureKind != SketchPlugin_Circle::ID())
1023     return;
1024
1025   AttributePoint2DPtr aFirstPointAttrOfSplit =
1026     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
1027   AttributePoint2DPtr aSecondPointAttrOfSplit =
1028     getPointOfRefAttr(data()->attribute(SketchPlugin_Constraint::ENTITY_B()));
1029
1030   /// split feature
1031   theSplitFeature =
1032     createArcFeature(aBaseFeature, aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
1033   bool aSplitReversed = std::dynamic_pointer_cast<SketchPlugin_Arc>(theSplitFeature)->isReversed();
1034   theCreatedFeatures.insert(theSplitFeature);
1035
1036   /// base feature is a left part of the circle
1037   theBaseFeatureModified = createArcFeature(aBaseFeature,
1038     aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
1039   std::dynamic_pointer_cast<SketchPlugin_Arc>(
1040     theBaseFeatureModified)->setReversed(!aSplitReversed);
1041   theBaseFeatureModified->execute();
1042
1043   theModifiedAttributes.insert(
1044     std::make_pair(aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
1045                   theBaseFeatureModified->attribute(SketchPlugin_Arc::CENTER_ID())));
1046
1047   theCreatedFeatures.insert(theBaseFeatureModified);
1048
1049   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1050                              (theBaseFeatureModified->attribute(SketchPlugin_Arc::START_ID())));
1051   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1052                              (theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID())));
1053
1054   // additional constraints between split and base features
1055   aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
1056                      theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID()),
1057                      theSplitFeature->attribute(SketchPlugin_Arc::END_ID()));
1058   theCreatedFeatures.insert(aConstraintFeature);
1059   aConstraintFeature = createConstraint(SketchPlugin_ConstraintCoincidence::ID(),
1060                      theBaseFeatureModified->attribute(SketchPlugin_Arc::START_ID()),
1061                      theSplitFeature->attribute(SketchPlugin_Arc::START_ID()));
1062   theCreatedFeatures.insert(aConstraintFeature);
1063
1064   aConstraintFeature = createConstraintForObjects(SketchPlugin_ConstraintTangent::ID(),
1065                                                        getFeatureResult(theSplitFeature),
1066                                                        getFeatureResult(theBaseFeatureModified));
1067   theCreatedFeatures.insert(aConstraintFeature);
1068 }
1069
1070 void SketchPlugin_ConstraintSplit::arrangePointsOnLine(
1071     const AttributePoint2DPtr& theStartPointAttr,
1072     const AttributePoint2DPtr& theEndPointAttr,
1073     AttributePoint2DPtr& theFirstPointAttr,
1074     AttributePoint2DPtr& theLastPointAttr) const
1075 {
1076   // if first point is closer to last point, swap first and last values
1077   if (theStartPointAttr->pnt()->distance(theFirstPointAttr->pnt()) >
1078       theStartPointAttr->pnt()->distance(theLastPointAttr->pnt())) {
1079     AttributePoint2DPtr aTmpPoint = theFirstPointAttr;
1080     theFirstPointAttr = theLastPointAttr;
1081     theLastPointAttr = aTmpPoint;
1082   }
1083 }
1084
1085 void SketchPlugin_ConstraintSplit::arrangePointsOnArc(
1086     const FeaturePtr& theArc,
1087     const std::shared_ptr<GeomDataAPI_Point2D>& theStartPointAttr,
1088     const std::shared_ptr<GeomDataAPI_Point2D>& theEndPointAttr,
1089     std::shared_ptr<GeomDataAPI_Point2D>& theFirstPointAttr,
1090     std::shared_ptr<GeomDataAPI_Point2D>& theSecondPointAttr) const
1091 {
1092   static const double anAngleTol = 1.e-12;
1093
1094   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1095       theArc->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1096   bool isReversed = theArc->boolean(SketchPlugin_Arc::INVERSED_ID())->value();
1097
1098   // collect directions to each point
1099   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
1100       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1101   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
1102       new GeomAPI_Dir2d(theFirstPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1103   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
1104       new GeomAPI_Dir2d(theSecondPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1105
1106   // sort points by their angular values
1107   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
1108   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
1109   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
1110   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
1111     aFirstPtAngle += aPeriod;
1112   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
1113     aSecondPtAngle += aPeriod;
1114
1115   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
1116     AttributePoint2DPtr aTmpPoint = theFirstPointAttr;
1117     theFirstPointAttr = theSecondPointAttr;
1118     theSecondPointAttr = aTmpPoint;
1119   }
1120 }
1121
1122 void SketchPlugin_ConstraintSplit::fillAttribute(const AttributePtr& theModifiedAttribute,
1123                                                  const AttributePtr& theSourceAttribute)
1124 {
1125   AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1126                                             theModifiedAttribute);
1127   AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1128                                             theSourceAttribute);
1129
1130   if (aModifiedAttribute.get() && aSourceAttribute.get())
1131     aModifiedAttribute->setValue(aSourceAttribute->pnt());
1132 }
1133
1134 FeaturePtr SketchPlugin_ConstraintSplit::createLineFeature(const FeaturePtr& theBaseFeature,
1135                                                            const AttributePtr& theFirstPointAttr,
1136                                                            const AttributePtr& theSecondPointAttr)
1137 {
1138   FeaturePtr aFeature;
1139   SketchPlugin_Sketch* aSketch = sketch();
1140   if (!aSketch || !theBaseFeature.get())
1141     return aFeature;
1142
1143   aFeature = aSketch->addFeature(SketchPlugin_Line::ID());
1144
1145   fillAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), theFirstPointAttr);
1146   fillAttribute(aFeature->attribute(SketchPlugin_Line::END_ID()), theSecondPointAttr);
1147   aFeature->execute(); // to obtain result
1148
1149   return aFeature;
1150 }
1151
1152 FeaturePtr SketchPlugin_ConstraintSplit::createArcFeature(const FeaturePtr& theBaseFeature,
1153                                                           const AttributePtr& theFirstPointAttr,
1154                                                           const AttributePtr& theSecondPointAttr)
1155 {
1156   FeaturePtr aFeature;
1157   SketchPlugin_Sketch* aSketch = sketch();
1158   if (!aSketch || !theBaseFeature.get())
1159     return aFeature;
1160
1161   std::string aCenterAttributeId;
1162   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID())
1163     aCenterAttributeId = SketchPlugin_Arc::CENTER_ID();
1164   else if (theBaseFeature->getKind() == SketchPlugin_Circle::ID())
1165     aCenterAttributeId = SketchPlugin_Circle::CENTER_ID();
1166
1167   if (aCenterAttributeId.empty())
1168     return aFeature;
1169
1170   aFeature = aSketch->addFeature(SketchPlugin_Arc::ID());
1171   // update fillet arc: make the arc correct for sure, so, it is not needed to process
1172   // the "attribute updated"
1173   // by arc; moreover, it may cause cyclicity in hte mechanism of updater
1174   aFeature->data()->blockSendAttributeUpdated(true);
1175
1176   aFeature->string(SketchPlugin_Arc::ARC_TYPE())->setValue(
1177                 SketchPlugin_Arc::ARC_TYPE_CENTER_START_END());
1178
1179   fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1180                 theBaseFeature->attribute(aCenterAttributeId));
1181   fillAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPointAttr);
1182   fillAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPointAttr);
1183
1184   /// fill referersed state of created arc as it is on the base arc
1185   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID()) {
1186     bool aReversed = theBaseFeature->boolean(SketchPlugin_Arc::INVERSED_ID())->value();
1187     aFeature->boolean(SketchPlugin_Arc::INVERSED_ID())->setValue(aReversed);
1188   }
1189   aFeature->data()->blockSendAttributeUpdated(false);
1190   aFeature->execute(); // to obtain result
1191
1192   return aFeature;
1193 }
1194
1195 FeaturePtr SketchPlugin_ConstraintSplit::createConstraint(const std::string& theConstraintId,
1196                                                     const AttributePtr& theFirstAttribute,
1197                                                     const AttributePtr& theSecondAttribute)
1198 {
1199   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
1200   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1201                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
1202   aRefAttr->setAttr(theFirstAttribute);
1203
1204   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1205                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
1206   aRefAttr->setAttr(theSecondAttribute);
1207
1208   return aConstraint;
1209 }
1210
1211 FeaturePtr SketchPlugin_ConstraintSplit::createConstraintForObjects(
1212                                                     const std::string& theConstraintId,
1213                                                     const ObjectPtr& theFirstObject,
1214                                                     const ObjectPtr& theSecondObject)
1215 {
1216   FeaturePtr aConstraint = sketch()->addFeature(theConstraintId);
1217   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1218                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
1219   aRefAttr->setObject(theFirstObject);
1220
1221   aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
1222                                  aConstraint->attribute(SketchPlugin_Constraint::ENTITY_B()));
1223   aRefAttr->setObject(theSecondObject);
1224
1225   return aConstraint;
1226 }
1227
1228 void SketchPlugin_ConstraintSplit::updateFeaturesAfterSplit(
1229                                                    const std::set<FeaturePtr>& theFeaturesToUpdate)
1230 {
1231   std::set<FeaturePtr>::const_iterator anIt = theFeaturesToUpdate.begin(),
1232                                        aLast = theFeaturesToUpdate.end();
1233   for (; anIt != aLast; anIt++) {
1234     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
1235     std::string aRefFeatureKind = aRefFeature->getKind();
1236     if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID()) {
1237       std::shared_ptr<SketchPlugin_ConstraintLength> aLenghtFeature =
1238                               std::dynamic_pointer_cast<SketchPlugin_ConstraintLength>(*anIt);
1239       if (aLenghtFeature.get()) {
1240         std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
1241             ModelAPI_AttributeDouble>(aLenghtFeature->attribute(SketchPlugin_Constraint::VALUE()));
1242         double aValue;
1243         if (aLenghtFeature->computeLenghtValue(aValue) && aValueAttr.get())
1244           aValueAttr->setValue(aValue);
1245       }
1246     }
1247   }
1248 }
1249
1250 std::shared_ptr<ModelAPI_Result> SketchPlugin_ConstraintSplit::getFeatureResult(
1251                                     const std::shared_ptr<ModelAPI_Feature>& theFeature)
1252 {
1253   std::shared_ptr<ModelAPI_Result> aResult;
1254
1255   std::string aFeatureKind = theFeature->getKind();
1256   if (aFeatureKind == SketchPlugin_Line::ID())
1257     aResult = theFeature->firstResult();
1258   else if (aFeatureKind == SketchPlugin_Arc::ID())
1259     aResult = theFeature->lastResult();
1260   else if (aFeatureKind == SketchPlugin_Circle::ID())
1261     aResult = theFeature->lastResult();
1262
1263   return aResult;
1264 }
1265
1266 std::set<std::shared_ptr<ModelAPI_Attribute> > SketchPlugin_ConstraintSplit::getEdgeAttributes(
1267                                            const std::shared_ptr<ModelAPI_Feature>& theFeature)
1268 {
1269   std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes;
1270
1271   std::string aFeatureKind = theFeature->getKind();
1272   if (aFeatureKind == SketchPlugin_Line::ID()) {
1273     anAttributes.insert(theFeature->attribute(SketchPlugin_Line::START_ID()));
1274     anAttributes.insert(theFeature->attribute(SketchPlugin_Line::END_ID()));
1275   }
1276   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
1277     anAttributes.insert(theFeature->attribute(SketchPlugin_Arc::START_ID()));
1278     anAttributes.insert(theFeature->attribute(SketchPlugin_Arc::END_ID()));
1279   }
1280   else if (aFeatureKind == SketchPlugin_Circle::ID()) {
1281   }
1282
1283   return anAttributes;
1284 }
1285
1286
1287 std::string SketchPlugin_ConstraintSplit::getFeatureInfo(
1288                                                const std::shared_ptr<ModelAPI_Feature>& theFeature,
1289                                                const bool isUseAttributesInfo)
1290 {
1291   std::string anInfo;
1292   if (!theFeature.get()) {
1293     return "none";
1294   }
1295
1296   if (theFeature->data()->isValid())
1297     anInfo.append(theFeature->data()->name().c_str());
1298
1299   if (isUseAttributesInfo) {
1300     std::string aPointsInfo = ModelGeomAlgo_Point2D::getPontAttributesInfo(theFeature,
1301                                                              getEdgeAttributes(theFeature));
1302     /// processing of feature with point 2d attributes, like line, arc, circle
1303     if (!aPointsInfo.empty()) {
1304       anInfo += ": ";
1305       anInfo += "\n";
1306       anInfo += aPointsInfo;
1307     }
1308     else { /// process constraint coincidence, find points in ref attr attributes
1309       std::list<AttributePtr> anAttrs = theFeature->data()->attributes(
1310                                                        ModelAPI_AttributeRefAttr::typeId());
1311       std::list<AttributePtr>::const_iterator anIt = anAttrs.begin(), aLast = anAttrs.end();
1312       std::string anAttributesInfo;
1313       for(; anIt != aLast; anIt++) {
1314         if (!anAttributesInfo.empty()) {
1315           anAttributesInfo.append(", ");
1316           anAttributesInfo += "\n";
1317         }
1318         AttributePtr anAttr = *anIt;
1319         std::string aValue = "not defined";
1320         std::string aType = anAttr->attributeType();
1321         if (aType == ModelAPI_AttributeRefAttr::typeId()) {
1322           std::shared_ptr<ModelAPI_AttributeRefAttr> aRefAttr =
1323                              std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
1324           if (aRefAttr.get()) {
1325             if (aRefAttr->isObject()) {
1326               FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
1327               aValue = "<object:>" + getFeatureInfo(aFeature, false);
1328             }
1329             else {
1330               AttributePtr anAttribute = aRefAttr->attr();
1331               if (anAttribute.get()) {
1332                 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttribute->owner());
1333                 aValue = "<attr:>" + ModelGeomAlgo_Point2D::getPointAttributeInfo(anAttribute) +
1334                          " [" + getFeatureInfo(aFeature, false) + "]";
1335               }
1336             }
1337           }
1338         }
1339         anAttributesInfo.append("    " + anAttr->id() + ": " + aValue);
1340       }
1341       if (!anAttributesInfo.empty())
1342         anInfo = anInfo + "\n" + anAttributesInfo;
1343     }
1344   }
1345   return anInfo;
1346 }
1347