src/SketchPlugin/SketchPlugin_Split.cpp

   1 // Copyright (C) 2014-2023  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "SketchPlugin_Split.h"
  21
  22 #include <Events_Message.h>
  23
  24 #include <GeomAPI_Dir2d.h>
  25 #include <GeomAPI_Edge.h>
  26 #include <GeomAPI_Pnt2d.h>
  27 #include <GeomAPI_XY.h>
  28 #include <GeomDataAPI_Point2D.h>
  29 #include <GeomAlgoAPI_ShapeTools.h>
  30
  31 #include <Locale_Convert.h>
  32
  33 #include <ModelAPI_AttributeBoolean.h>
  34 #include <ModelAPI_AttributeDouble.h>
  35 #include <ModelAPI_AttributeRefAttr.h>
  36 #include <ModelAPI_AttributeReference.h>
  37 #include <ModelAPI_AttributeString.h>
  38 #include <ModelAPI_Events.h>
  39 #include <ModelAPI_Validator.h>
  40 #include <ModelAPI_Session.h>
  41 #include <ModelAPI_Tools.h>
  42
  43 #include <ModelGeomAlgo_Shape.h>
  44
  45 #include <SketchPlugin_Arc.h>
  46 #include <SketchPlugin_Circle.h>
  47 #include <SketchPlugin_ConstraintCoincidence.h>
  48 #include <SketchPlugin_ConstraintCoincidenceInternal.h>
  49 #include <SketchPlugin_ConstraintEqual.h>
  50 #include <SketchPlugin_ConstraintLength.h>
  51 #include <SketchPlugin_ConstraintMiddle.h>
  52 #include <SketchPlugin_ConstraintMirror.h>
  53 #include <SketchPlugin_ConstraintParallel.h>
  54 #include <SketchPlugin_ConstraintTangent.h>
  55 #include <SketchPlugin_Ellipse.h>
  56 #include <SketchPlugin_EllipticArc.h>
  57 #include <SketchPlugin_Line.h>
  58 #include <SketchPlugin_MultiRotation.h>
  59 #include <SketchPlugin_MultiTranslation.h>
  60 #include <SketchPlugin_Point.h>
  61
  62 #include <ModelGeomAlgo_Point2D.h>
  63 #include <ModelAPI_EventReentrantMessage.h>
  64 #include <Events_Loop.h>
  65
  66 #include <cmath>
  67
  68 //#define CREATE_CONSTRAINTS
  69
  70 #ifdef DEBUG_SPLIT
  71 #include <iostream>
  72 #endif
  73
  74 static const double PI = 3.141592653589793238463;
  75
  76 SketchPlugin_Split::SketchPlugin_Split()
  77 {
  78 }
  79
  80 void SketchPlugin_Split::initAttributes()
  81 {
  82   data()->addAttribute(SELECTED_OBJECT(), ModelAPI_AttributeReference::typeId());
  83   data()->addAttribute(SELECTED_POINT(), GeomDataAPI_Point2D::typeId());
  84
  85   data()->addAttribute(PREVIEW_POINT(), GeomDataAPI_Point2D::typeId());
  86   data()->addAttribute(PREVIEW_OBJECT(), ModelAPI_AttributeReference::typeId());
  87
  88   data()->attribute(PREVIEW_POINT())->setIsArgument(false);
  89   data()->attribute(SELECTED_POINT())->setIsArgument(false);
  90   data()->attribute(PREVIEW_OBJECT())->setIsArgument(false);
  91
  92   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_POINT());
  93   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_OBJECT());
  94 }
  95
  96 void SketchPlugin_Split::execute()
  97 {
  98   std::shared_ptr<ModelAPI_Data> aData = data();
  99
 100   // Check the base objects are initialized.
 101   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 102                                                            data()->attribute(SELECTED_OBJECT()));
 103   if(!aBaseObjectAttr->isInitialized()) {
 104     setError("Error: Base object is not initialized.");
 105     return;
 106   }
 107   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 108   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointAttribute(true);
 109   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointAttribute(false);
 110   if (!aFirstPointAttrOfSplit.get() || !aFirstPointAttrOfSplit->isInitialized() ||
 111       !aSecondPointAttrOfSplit.get() || !aSecondPointAttrOfSplit->isInitialized()) {
 112     setError("Error: Sub-shape is not initialized.");
 113     return;
 114   }
 115
 116   // Remove reference of this feature to feature used in preview, it is not necessary anymore
 117   // as trim will be removed after execute
 118   AttributeReferencePtr aPreviewObjectAttr =
 119                      std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 120                      data()->attribute(PREVIEW_OBJECT()));
 121
 122   ObjectPtr aPreviewObject = aPreviewObjectAttr->value();
 123   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 124                                            data()->attribute(PREVIEW_POINT()));
 125   std::shared_ptr<GeomAPI_Pnt2d> aPreviewPnt2d = aPoint->pnt();
 126   // nullify pointer of preview attribute
 127   aPreviewObjectAttr->setValue(ResultPtr());
 128   bool anIsEqualPreviewAndSelected = aPreviewObject == aBaseObject;
 129
 130   // Wait all constraints being created, then send update events
 131   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 132   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 133   if (isUpdateFlushed)
 134     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 135
 136   // Find feature constraints
 137   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObject);
 138   ResultPtr aBaseFeatureResult = aBaseFeature->lastResult();
 139   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
 140
 141   //std::map<FeaturePtr, IdToPointPair> aTangentFeatures;
 142   std::map<FeaturePtr, IdToPointPair> aCoincidenceToFeature;
 143   getConstraints(aFeaturesToDelete, aFeaturesToUpdate, aCoincidenceToFeature);
 144
 145   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 146   std::list<AttributePtr> aRefsToFeature;
 147   SketchPlugin_SegmentationTools::getRefAttributes(
 148       aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 149
 150   std::map<AttributePtr, AttributePtr> aBasePointModifiedAttributes;
 151
 152 #ifdef DEBUG_SPLIT
 153   std::cout << std::endl;
 154   std::cout << "SketchPlugin_Split::execute()" << std::endl;
 155   std::cout << std::endl;
 156
 157   SketchPlugin_Sketch* aSketch = sketch();
 158   std::cout << "SKETCH FEATURES (before split) [" << aSketch->numberOfSubs() << "]:" << std::endl;
 159   for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 160     std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 161   }
 162
 163   std::cout << std::endl;
 164   std::cout << "---- IN PARAMETERS ----" << std::endl;
 165   std::cout << "Base feature:" << getFeatureInfo(aBaseFeature) << std::endl;
 166   std::cout << std::endl;
 167
 168   if (!aCoincidenceToFeature.empty()) {
 169     std::cout << "Coincidences to base feature[" <<
 170       aCoincidenceToFeature.size() << "]: " << std::endl;
 171     std::map<FeaturePtr, IdToPointPair>::const_iterator anIt = aCoincidenceToFeature.begin(),
 172                                                         aLast = aCoincidenceToFeature.end();
 173     for (int i = 1; anIt != aLast; anIt++, i++) {
 174       FeaturePtr aFeature = (*anIt).first;
 175       std::string anAttributeId = (*anIt).second.first;
 176       std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = (*anIt).second.second;
 177
 178       std::cout << i << "-" << getFeatureInfo(aFeature) << std::endl;
 179       std::cout <<     " -Attribute to correct:" << anAttributeId << std::endl;
 180       std::cout <<     " -Point attribute:" <<
 181         ModelGeomAlgo_Point2D::getPointAttributeInfo(aPointAttr) << std::endl;
 182     }
 183   }
 184
 185   std::map<AttributePtr, std::list<AttributePtr> >::const_iterator
 186     aRefIt = aBaseRefAttributes.begin(), aRefLast = aBaseRefAttributes.end();
 187   std::cout << std::endl << "References to attributes of base feature [" <<
 188     aBaseRefAttributes.size() << "]" << std::endl;
 189   for (; aRefIt != aRefLast; aRefIt++) {
 190     AttributePtr aBaseAttr = aRefIt->first;
 191     std::list<AttributePtr> aRefAttributes = aRefIt->second;
 192     std::string aRefsInfo;
 193     std::list<AttributePtr>::const_iterator aRefAttrIt = aRefAttributes.begin(),
 194                                             aRefAttrLast = aRefAttributes.end();
 195     for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 196       if (!aRefsInfo.empty())
 197         aRefsInfo.append(",");
 198       AttributePtr aRAttr = *aRefAttrIt;
 199       aRefsInfo.append(aRAttr->id());
 200       FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 201       aRefsInfo.append("(" + aRFeature->name() + ") ");
 202     }
 203     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr =
 204       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseAttr);
 205     std::cout << aPointAttr->id().c_str() <<
 206       ": " << "[" << aRefAttributes.size() << "] " << aRefsInfo << std::endl;
 207   }
 208   std::cout << std::endl;
 209   std::cout << std::endl << "References to base feature [" <<
 210     aRefsToFeature.size() << "]" << std::endl;
 211   std::list<AttributePtr>::const_iterator aRefAttrIt = aRefsToFeature.begin(),
 212                                           aRefAttrLast = aRefsToFeature.end();
 213   std::string aRefsInfo;
 214   for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 215     if (!aRefsInfo.empty())
 216       aRefsInfo.append(",");
 217     AttributePtr aRAttr = *aRefAttrIt;
 218     aRefsInfo.append(aRAttr->id());
 219     FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 220     aRefsInfo.append("(" + aRFeature->name() + ") ");
 221   }
 222   std::cout << "[" << aRefsToFeature.size() << "] " << aRefsInfo << std::endl;
 223
 224
 225   std::cout << std::endl;
 226   std::cout << "---- SPLIT ----" << std::endl;
 227   std::cout << std::endl;
 228 #endif
 229
 230   keepCurrentFeature();
 231
 232   std::string aFeatureKind = aBaseFeature->getKind();
 233   FeaturePtr aSplitFeature, anAfterFeature;
 234   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 235   std::set<FeaturePtr> aCreatedFeatures;
 236   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 237   FeaturePtr aReplacingFeature, aNewFeature;
 238   if (aFeatureKind == SketchPlugin_Line::ID())
 239     aNewFeature = splitLine(aSplitFeature, aBaseFeature, anAfterFeature,
 240                             aFurtherCoincidences, aCreatedFeatures, aModifiedAttributes);
 241   else if (aFeatureKind == SketchPlugin_Arc::ID())
 242     aNewFeature = splitArc(aSplitFeature, aBaseFeature, anAfterFeature, aFurtherCoincidences,
 243                            aCreatedFeatures, aModifiedAttributes);
 244   else if (aFeatureKind == SketchPlugin_EllipticArc::ID())
 245     aNewFeature = splitEllipticArc(aSplitFeature, aBaseFeature, anAfterFeature,
 246         aFurtherCoincidences, aCreatedFeatures, aModifiedAttributes);
 247
 248   restoreCurrentFeature();
 249
 250   if (aFeatureKind == SketchPlugin_Circle::ID() || aFeatureKind == SketchPlugin_Ellipse::ID()) {
 251     aFeaturesToDelete.insert(aBaseFeature);
 252     aReplacingFeature = splitClosed(aSplitFeature, aBaseFeature, anAfterFeature,
 253                                     aFurtherCoincidences, aCreatedFeatures, aModifiedAttributes);
 254
 255     updateRefFeatureConstraints(aBaseFeature->lastResult(), aRefsToFeature);
 256
 257     // as circle is removed, temporary fill this attribute*/
 258     aBaseObjectAttr->setObject(ResultPtr());
 259   }
 260
 261 #ifdef DEBUG_SPLIT
 262   std::cout << "---- OUT PARAMETERS ----" << std::endl;
 263   std::cout << "Base modified feature:" << getFeatureInfo(aBaseFeature) << std::endl;
 264   std::cout << "Split feature:" << getFeatureInfo(aSplitFeature) << std::endl;
 265   std::cout << "After feature:" << getFeatureInfo(anAfterFeature) << std::endl;
 266   std::cout << std::endl;
 267
 268   std::cout << "Created features by split:[" << aCreatedFeatures.size() << "]" << std::endl;
 269   std::set<FeaturePtr>::const_iterator aFIt = aCreatedFeatures.begin(),
 270                                        aFLast = aCreatedFeatures.end();
 271   for (; aFIt != aFLast; aFIt++) {
 272     std::cout << getFeatureInfo(*aFIt) << std::endl;
 273   }
 274   std::cout << std::endl;
 275
 276   std::cout << "Attributes for further Coincidences:" << std::endl;
 277   std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 278                                                 aLast = aFurtherCoincidences.end();
 279   for (; anIt != aLast; anIt++) {
 280     AttributePtr anAttribute = *anIt;
 281     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttribute->owner());
 282     std::cout << ModelGeomAlgo_Point2D::getPointAttributeInfo(anAttribute)
 283               << " [" << getFeatureInfo(aFeature, false) << "]" << std::endl;
 284   }
 285
 286   std::cout << "Modifed attributes (constraints to attributes are moved here):" << std::endl;
 287   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 288     aPIt = aModifiedAttributes.begin(), aPLast = aModifiedAttributes.end();
 289   std::string aResInfo;
 290   for (; aPIt != aPLast; aPIt++) {
 291     if (!aResInfo.empty())
 292       aResInfo += "\n";
 293
 294     std::pair<AttributePtr, AttributePtr> aPair = *aPIt;
 295
 296     AttributePtr anAttr = aPair.first;
 297     aResInfo.append(anAttr->id());
 298     FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->owner());
 299     aResInfo.append("(" + aFeature->name() + ") ");
 300
 301     aResInfo.append("  - is modified to -  ");
 302
 303     anAttr = aPair.second;
 304     aResInfo.append(anAttr->id());
 305     aFeature = ModelAPI_Feature::feature(anAttr->owner());
 306     aResInfo.append("(" + aFeature->name() + ") ");
 307   }
 308   std::cout << aResInfo << std::endl;
 309 #endif
 310
 311   std::set<ResultPtr> aFeatureResults;
 312   aFeatureResults.insert(aBaseFeature->lastResult());
 313   if (anAfterFeature.get() && anAfterFeature != aBaseFeature)
 314     aFeatureResults.insert(anAfterFeature->lastResult());
 315
 316   // coincidence to feature
 317   updateCoincidenceConstraintsToFeature(aCoincidenceToFeature, aFurtherCoincidences,
 318                                         aFeatureResults, aSplitFeature, aFeaturesToDelete);
 319
 320   SketchPlugin_SegmentationTools::updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes);
 321
 322   // delete constraints
 323 #ifdef DEBUG_SPLIT
 324   std::cout << "remove features and references:" << std::endl;
 325   std::set<FeaturePtr>::const_iterator aDIt = aFeaturesToDelete.begin(),
 326                                        aDLast = aFeaturesToDelete.end();
 327   for (; aDIt != aDLast; aDIt++) {
 328     std::cout << getFeatureInfo(*aDIt, false) << std::endl;
 329     std::cout << std::endl;
 330   }
 331 #endif
 332   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 333   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 334
 335 #ifdef DEBUG_SPLIT
 336   std::cout << "update features after split:" << std::endl;
 337   std::set<FeaturePtr>::const_iterator anUIt = aFeaturesToUpdate.begin(),
 338                                        anULast = aFeaturesToUpdate.end();
 339   for (; anUIt != anULast; anUIt++) {
 340     std::cout << getFeatureInfo(*anUIt, false) << std::endl;
 341     std::cout << std::endl;
 342   }
 343 #endif
 344   SketchPlugin_SegmentationTools::updateFeaturesAfterOperation(aFeaturesToUpdate);
 345
 346   // Send events to update the sub-features by the solver.
 347   if(isUpdateFlushed) {
 348     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 349   }
 350
 351     if (anIsEqualPreviewAndSelected) {
 352     // equal preview and selected objects
 353     // nothing to do if the preview and selected objects are different
 354     ResultPtr aReplacingResult;
 355     if (aReplacingFeature.get()) {
 356       aReplacingFeature->execute(); // need it to obtain result
 357       aReplacingResult = aReplacingFeature->lastResult();
 358     }
 359     if (aReplacingResult.get()) { // base object was removed
 360       aPreviewObject = aReplacingResult;
 361       //aMessage->setSelectedObject(aReplacingResult);
 362
 363       //GeomShapePtr aSelectedShape = aReplacingResult->shape();
 364       //std::shared_ptr<GeomAPI_Pnt> aPreviewPnt = sketch()->to3D(aPreviewPnt2d->x(),
 365       //                                                          aPreviewPnt2d->y());
 366       //std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 367       //if (ModelGeomAlgo_Point2D::isPointOnEdge(aSelectedShape, aPreviewPnt, aProjectedPoint)) {
 368         //bool aValue = true;
 369       //}
 370       //aBaseShape = aShape;
 371
 372 #ifdef DEBUG_SPLIT
 373       if (!aSelectedShape.get())
 374         std::cout << "Set empty selected object" << std::endl;
 375       else
 376         std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 377 #endif
 378       //bool aValue = true;
 379     }
 380     else {
 381       aPreviewObject = ObjectPtr();
 382
 383       aBaseFeature->execute(); // should recompute shapes of result to do not check obsolete one
 384       aBaseObject = aBaseFeature->lastResult();
 385       std::shared_ptr<GeomAPI_Pnt> aPreviewPnt = sketch()->to3D(aPreviewPnt2d->x(),
 386                                                                 aPreviewPnt2d->y());
 387       ResultPtr aBaseResult = std::dynamic_pointer_cast<ModelAPI_Result>(aBaseObject);
 388       if (aBaseResult) {
 389         GeomShapePtr aShape = aBaseResult->shape();
 390         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 391         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 392           aPreviewObject = aBaseResult;
 393       }
 394       if (!aPreviewObject.get() && aNewFeature.get()) {
 395         ResultPtr aNewFeatureResult = aNewFeature->lastResult();
 396         if (aNewFeatureResult.get()) {
 397           GeomShapePtr aShape = aNewFeatureResult->shape();
 398           std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 399           if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 400             aPreviewObject = aNewFeatureResult;
 401         }
 402       }
 403     }
 404   }
 405   if (aPreviewObject.get()) {
 406     std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
 407       <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(
 408                                            ModelAPI_EventReentrantMessage::eventId(), this));
 409     aMessage->setSelectedObject(aPreviewObject);
 410     Events_Loop::loop()->send(aMessage);
 411   }
 412
 413
 414 #ifdef DEBUG_SPLIT
 415   std::cout << "SKETCH FEATURES (after split) [" << aSketch->numberOfSubs() << "]:" << std::endl;
 416   for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
 417     std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
 418   }
 419 #endif
 420 }
 421
 422 // LCOV_EXCL_START
 423 std::string SketchPlugin_Split::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 424 {
 425 #ifdef DEBUG_SPLIT
 426   std::cout << "SketchPlugin_Split::processEvent:" << data()->name() << std::endl;
 427 #endif
 428   std::string aFilledAttributeName;
 429
 430   std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage =
 431         std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
 432   if (aMessage.get()) {
 433     ObjectPtr anObject = aMessage->selectedObject();
 434     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aMessage->clickedPoint();
 435
 436     if (anObject.get() && aPoint.get()) {
 437       if (myCashedShapes.find(anObject) == myCashedShapes.end()) {
 438         SketchPlugin_SegmentationTools::fillObjectShapes(
 439             this, anObject, myCashedShapes, myCashedReferences);
 440       }
 441       const std::set<GeomShapePtr>& aShapes = myCashedShapes[anObject];
 442       if (aShapes.size() > 1) {
 443         std::shared_ptr<ModelAPI_AttributeReference> aRefSelectedAttr =
 444                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 445                               data()->attribute(SELECTED_OBJECT()));
 446         std::shared_ptr<ModelAPI_AttributeReference> aRefPreviewAttr =
 447                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 448                               data()->attribute(PREVIEW_OBJECT()));
 449         aRefSelectedAttr->setValue(anObject);
 450         aRefPreviewAttr->setValue(anObject);
 451
 452         std::shared_ptr<GeomDataAPI_Point2D> aPointSelectedAttr =
 453                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 454                               data()->attribute(SELECTED_POINT()));
 455         std::shared_ptr<GeomDataAPI_Point2D> aPointPreviewAttr =
 456                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 457                               data()->attribute(PREVIEW_POINT()));
 458         aPointSelectedAttr->setValue(aPoint);
 459         aPointPreviewAttr->setValue(aPoint);
 460
 461         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 462
 463         GeomShapePtr aSelectedShape = SketchPlugin_SegmentationTools::getSubShape(this,
 464             SELECTED_OBJECT(), SELECTED_POINT(), myCashedShapes, myCashedReferences);
 465         if (aSelectedShape.get()) {
 466           aFilledAttributeName = SELECTED_OBJECT();
 467         }
 468         else {
 469           // #2480 - sub shape is not initialized when split sketch
 470           // If restarted operation use some selection on the shape that is split and
 471           // result selectiona can not participate in new split(checked shape above is null),
 472           // reset filled values of selection set in this method above
 473           aRefSelectedAttr->setValue(ResultPtr());
 474           aRefPreviewAttr->setValue(ResultPtr());
 475         }
 476   #ifdef DEBUG_SPLIT
 477         if (!aSelectedShape.get())
 478           std::cout << "Set empty selected object" << std::endl;
 479         else
 480           std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 481   #endif
 482       }
 483     }
 484   }
 485   return aFilledAttributeName;
 486 }
 487 // LCOV_EXCL_STOP
 488
 489 AISObjectPtr SketchPlugin_Split::getAISObject(AISObjectPtr thePrevious)
 490 {
 491   return SketchPlugin_SegmentationTools::getAISObject(thePrevious,
 492       this, PREVIEW_OBJECT(), PREVIEW_POINT(), SELECTED_OBJECT(), SELECTED_POINT());
 493 }
 494
 495 //********************************************************************
 496 void SketchPlugin_Split::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete,
 497                                     std::set<FeaturePtr>& theFeaturesToUpdate,
 498                                     std::map<FeaturePtr, IdToPointPair>& theCoincidenceToFeature)
 499 {
 500   std::shared_ptr<ModelAPI_Data> aData = data();
 501
 502   // Check the base objects are initialized.
 503   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 504                                                            data()->attribute(SELECTED_OBJECT()));
 505   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 506   ResultPtr aBaseFeatureResult = aBaseFeature->lastResult();
 507
 508   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 509   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 510   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 511
 512   std::set<AttributePtr>::const_iterator aIt;
 513   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 514     std::shared_ptr<ModelAPI_Attribute> aAttr = (*aIt);
 515     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aAttr->owner());
 516     std::string aRefFeatureKind = aRefFeature->getKind();
 517     if (aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() ||
 518         aRefFeatureKind == SketchPlugin_MultiRotation::ID() ||
 519         aRefFeatureKind == SketchPlugin_MultiTranslation::ID() ||
 520         aRefFeatureKind == SketchPlugin_ConstraintMiddle::ID())
 521       theFeaturesToDelete.insert(aRefFeature);
 522     else if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID())
 523       theFeaturesToUpdate.insert(aRefFeature);
 524     else if (aRefFeatureKind == SketchPlugin_ConstraintCoincidence::ID() ||
 525              aRefFeatureKind == SketchPlugin_ConstraintCoincidenceInternal::ID()) {
 526       std::string anAttributeToBeModified;
 527       AttributePoint2DPtr aCoincidentPoint;
 528       AttributeRefAttrPtr anAttrA = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_A());
 529       AttributeRefAttrPtr anAttrB = aRefFeature->refattr(SketchPlugin_Constraint::ENTITY_B());
 530       bool isToFeature = false;
 531       if (anAttrA->isObject() || anAttrB->isObject()) { // coincidence to base feature
 532         FeaturePtr aFeature = anAttrA->isObject() ? ModelAPI_Feature::feature(anAttrA->object())
 533                                                   : FeaturePtr();
 534         isToFeature = aFeature.get() && aFeature == aBaseFeature;
 535         anAttributeToBeModified = anAttrA->id();
 536         if (!isToFeature) {
 537           aFeature = anAttrB->isObject() ? ModelAPI_Feature::feature(anAttrB->object())
 538                                          : FeaturePtr();
 539           isToFeature = aFeature.get() && aFeature == aBaseFeature;
 540           anAttributeToBeModified = anAttrB->id();
 541         }
 542         if (isToFeature)
 543           aCoincidentPoint = SketchPlugin_ConstraintCoincidence::getPoint(aRefFeature);
 544       }
 545       if (!isToFeature) { // coincidence to point on base feature
 546         AttributePtr anAttribute;
 547
 548         if (!anAttrA->isObject()) {
 549           AttributePtr aCurAttribute = anAttrA->attr();
 550           if (aCurAttribute.get()) {
 551             FeaturePtr aCurFeature = ModelAPI_Feature::feature(aCurAttribute->owner());
 552             if (aCurFeature.get() && aCurFeature == aBaseFeature) {
 553               anAttribute = anAttrB->attr();
 554               anAttributeToBeModified = anAttrA->id();
 555             }
 556           }
 557         }
 558         if (!anAttribute.get() && !anAttrB->isObject()) {
 559           AttributePtr aCurAttribute = anAttrB->attr();
 560           if (aCurAttribute.get()) {
 561             FeaturePtr aCurFeature = ModelAPI_Feature::feature(aCurAttribute->owner());
 562             if (aCurFeature.get() && aCurFeature == aBaseFeature) {
 563               anAttribute = anAttrA->attr();
 564               anAttributeToBeModified = anAttrB->id();
 565             }
 566           }
 567         }
 568         if (anAttribute.get())
 569           aCoincidentPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttribute);
 570       }
 571       if (aCoincidentPoint.get() && isToFeature)
 572         theCoincidenceToFeature[aRefFeature] = std::make_pair(anAttributeToBeModified,
 573                                                               aCoincidentPoint);
 574     }
 575   }
 576 }
 577
 578 void SketchPlugin_Split::updateCoincidenceConstraintsToFeature(
 579       const std::map<std::shared_ptr<ModelAPI_Feature>, IdToPointPair>& theCoincidenceToFeature,
 580       const std::set<std::shared_ptr<GeomDataAPI_Point2D> >& theFurtherCoincidences,
 581       const std::set<ResultPtr>& theFeatureResults,
 582       const FeaturePtr& theSplitFeature,
 583       std::set<FeaturePtr>& theFeaturesToDelete)
 584 {
 585   if (theCoincidenceToFeature.empty())
 586     return;
 587
 588   // we should build coincidence constraints to end of the split feature
 589   std::set<std::shared_ptr<GeomDataAPI_Point2D> > aNewCoincidencesToSplitFeature;
 590   AttributePoint2DPtr aStartPointAttr, anEndPointAttr;
 591   SketchPlugin_SegmentationTools::getFeaturePoints(
 592       theSplitFeature, aStartPointAttr, anEndPointAttr);
 593   if (theFurtherCoincidences.find(aStartPointAttr) == theFurtherCoincidences.end())
 594     aNewCoincidencesToSplitFeature.insert(aStartPointAttr);
 595   if (theFurtherCoincidences.find(anEndPointAttr) == theFurtherCoincidences.end())
 596     aNewCoincidencesToSplitFeature.insert(anEndPointAttr);
 597
 598   std::map<FeaturePtr, IdToPointPair>::const_iterator aCIt = theCoincidenceToFeature.begin(),
 599                                                       aCLast = theCoincidenceToFeature.end();
 600 #ifdef DEBUG_SPLIT
 601   std::cout << std::endl;
 602   std::cout << "Coincidences to feature(modified):"<< std::endl;
 603 #endif
 604   for (; aCIt != aCLast; aCIt++) {
 605     FeaturePtr aCoincFeature = aCIt->first;
 606     std::string anAttributeId = aCIt->second.first;
 607     std::string aSecondAttribute = anAttributeId == SketchPlugin_Constraint::ENTITY_A() ?
 608         SketchPlugin_Constraint::ENTITY_B() : SketchPlugin_Constraint::ENTITY_A();
 609
 610     AttributePoint2DPtr aCoincPoint = aCIt->second.second;
 611     std::set<AttributePoint2DPtr>::const_iterator aFCIt = theFurtherCoincidences.begin(),
 612                                                   aFCLast = theFurtherCoincidences.end();
 613     std::shared_ptr<GeomAPI_Pnt2d> aCoincPnt = aCoincPoint->pnt();
 614     AttributePoint2DPtr aFeaturePointAttribute;
 615     for (; aFCIt != aFCLast && !aFeaturePointAttribute.get(); aFCIt++) {
 616       AttributePoint2DPtr aFCAttribute = *aFCIt;
 617       if (aCoincPnt->isEqual(aFCAttribute->pnt()))
 618         aFeaturePointAttribute = aFCAttribute;
 619     }
 620     if (aFeaturePointAttribute.get()) {
 621       // create new constraint and remove the current
 622       aCoincFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 623           SketchPlugin_ConstraintCoincidence::ID(),
 624           aFeaturePointAttribute, aCoincFeature->refattr(aSecondAttribute)->attr());
 625       theFeaturesToDelete.insert(aCIt->first);
 626       // create new coincidences to split feature points
 627       std::set<AttributePoint2DPtr>::const_iterator aSFIt = aNewCoincidencesToSplitFeature.begin(),
 628                                                     aSFLast = aNewCoincidencesToSplitFeature.end();
 629       for (; aSFIt != aSFLast; aSFIt++) {
 630         AttributePoint2DPtr aSFAttribute = *aSFIt;
 631         if (aCoincPnt->isEqual(aSFAttribute->pnt())) {
 632           SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 633                            SketchPlugin_ConstraintCoincidence::ID(),
 634                            aSFAttribute, aCoincFeature->refattr(aSecondAttribute)->attr());
 635         }
 636       }
 637     }
 638     else {
 639       // find feature by shape intersected the point
 640       ResultPtr aResultForCoincidence = *(theFeatureResults.begin());
 641
 642       if (theFeatureResults.size() > 1) { // try to find point on additional feature
 643         ResultPtr anAddtionalResult = *(theFeatureResults.begin()++);
 644         GeomShapePtr aShape = anAddtionalResult->shape();
 645
 646         std::shared_ptr<GeomAPI_Pnt2d> aPnt2d = aCoincPoint->pnt();
 647         std::shared_ptr<GeomAPI_Pnt> aPoint = sketch()->to3D(aPnt2d->x(), aPnt2d->y());
 648
 649         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 650         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPoint, aProjectedPoint))
 651           aResultForCoincidence = anAddtionalResult;
 652       }
 653       aCoincFeature->refattr(anAttributeId)->setObject(aResultForCoincidence);
 654     }
 655 #ifdef DEBUG_SPLIT
 656   std::cout << " -" << getFeatureInfo(aCoincFeature) << std::endl;
 657 #endif
 658   }
 659 }
 660
 661 void SketchPlugin_Split::updateRefFeatureConstraints(
 662                                                   const ResultPtr& theFeatureBaseResult,
 663                                                   const std::list<AttributePtr>& theRefsToFeature)
 664 {
 665   std::list<AttributePtr>::const_iterator anIt = theRefsToFeature.begin(),
 666                                           aLast = theRefsToFeature.end();
 667   for (; anIt != aLast; anIt++) {
 668     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anIt);
 669     if (aRefAttr.get())
 670       aRefAttr->setObject(theFeatureBaseResult);
 671   }
 672 }
 673
 674 FeaturePtr SketchPlugin_Split::splitLine(FeaturePtr& theSplitFeature,
 675                                          FeaturePtr& theBaseFeatureModified,
 676                                          FeaturePtr& theAfterFeature,
 677                                          std::set<AttributePoint2DPtr>& thePoints,
 678                                          std::set<FeaturePtr>& theCreatedFeatures,
 679                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 680 {
 681   FeaturePtr anNewFeature;
 682
 683   std::set<FeaturePtr> aCreatedFeatures;
 684   FeaturePtr aConstraintFeature;
 685   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
 686
 687   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 688                                                            data()->attribute(SELECTED_OBJECT()));
 689   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 690
 691   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointAttribute(true);
 692   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointAttribute(false);
 693   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 694
 695   SketchPlugin_SegmentationTools::getFeaturePoints(
 696       aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 697   if (!aStartPointAttrOfBase.get() && !anEndPointAttrOfBase.get()) {
 698     setError("Error: Feature has no start and end points.");
 699     return anNewFeature;
 700   }
 701
 702   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 703                       aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 704
 705 #ifdef DEBUG_SPLIT
 706   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 707   std::cout << "Start point: " <<
 708     ModelGeomAlgo_Point2D::getPointAttributeInfo(aStartPointAttrOfBase) << std::endl;
 709   std::cout << "1st point:   " <<
 710     ModelGeomAlgo_Point2D::getPointAttributeInfo(aFirstPointAttrOfSplit) << std::endl;
 711   std::cout << "2nd point:   " <<
 712     ModelGeomAlgo_Point2D::getPointAttributeInfo(aSecondPointAttrOfSplit) << std::endl;
 713   std::cout << "End point:   " <<
 714     ModelGeomAlgo_Point2D::getPointAttributeInfo(anEndPointAttrOfBase) << std::endl;
 715 #endif
 716
 717   // create a split feature
 718   theSplitFeature = SketchPlugin_SegmentationTools::createLineFeature(
 719       aBaseFeature, aFirstPointAttrOfSplit->pnt(), aSecondPointAttrOfSplit->pnt());
 720   theCreatedFeatures.insert(theSplitFeature);
 721
 722   // before split feature
 723   if (aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 724     theModifiedAttributes.insert(std::make_pair(aStartPointAttrOfBase,
 725                                         theSplitFeature->attribute(SketchPlugin_Line::START_ID())));
 726   }
 727   else {
 728     theBaseFeatureModified = aBaseFeature; // use base feature to store all constraints here
 729     // move end arc point to start of split
 730   }
 731
 732   // after split feature
 733   if (!aSecondPointAttrOfSplit->pnt()->isEqual(anEndPointAttrOfBase->pnt())) {
 734     FeaturePtr aFeature;
 735     if (!theBaseFeatureModified.get()) {
 736       aFeature = aBaseFeature; // use base feature to store all constraints here
 737       fillAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), aSecondPointAttrOfSplit);
 738       aFeature->execute(); // to update result
 739     }
 740     else {
 741       aFeature = SketchPlugin_SegmentationTools::createLineFeature(
 742           aBaseFeature, aSecondPointAttrOfSplit->pnt(), anEndPointAttrOfBase->pnt());
 743       theCreatedFeatures.insert(aFeature);
 744       theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 745                                              aFeature->attribute(SketchPlugin_Line::END_ID())));
 746       anNewFeature = aFeature;
 747     }
 748     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 749                      SketchPlugin_ConstraintCoincidence::ID(),
 750                      theSplitFeature->attribute(SketchPlugin_Line::END_ID()),
 751                      aFeature->attribute(SketchPlugin_Line::START_ID()));
 752     theCreatedFeatures.insert(aConstraintFeature);
 753
 754     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 755                                 (aFeature->attribute(SketchPlugin_Line::START_ID())));
 756     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 757                                 (aFeature->attribute(SketchPlugin_Line::END_ID())));
 758
 759     if (!theBaseFeatureModified.get())
 760       theBaseFeatureModified = aFeature;
 761     else
 762       theAfterFeature = aFeature;
 763   }
 764   else {
 765     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 766                                   (theSplitFeature->attribute(SketchPlugin_Line::END_ID())));
 767     theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 768                                    theSplitFeature->attribute(SketchPlugin_Line::END_ID())));
 769   }
 770   // base split, that is defined before split feature should be changed at end
 771   // (after the after feature creation). Otherwise modified value will be used in after feature
 772   // before split feature
 773   if (!aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 774     // move end arc point to start of split
 775     fillAttribute(theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID()),
 776                                                     aFirstPointAttrOfSplit);
 777     theBaseFeatureModified->execute(); // to update result
 778     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 779                      SketchPlugin_ConstraintCoincidence::ID(),
 780                      theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID()),
 781                      theSplitFeature->attribute(SketchPlugin_Line::START_ID()));
 782     theCreatedFeatures.insert(aConstraintFeature);
 783
 784     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 785                              (theBaseFeatureModified->attribute(SketchPlugin_Line::START_ID())));
 786     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 787                                (theBaseFeatureModified->attribute(SketchPlugin_Line::END_ID())));
 788   }
 789   else
 790     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 791                                        (theSplitFeature->attribute(SketchPlugin_Line::START_ID())));
 792
 793 #ifdef CREATE_CONSTRAINTS
 794   // additional constraints between split and base features
 795   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 796           SketchPlugin_ConstraintParallel::ID(),
 797           aBaseFeature->lastResult(),
 798           theSplitFeature->lastResult());
 799   theCreatedFeatures.insert(aConstraintFeature);
 800   if (theAfterFeature.get()) {
 801     aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 802           SketchPlugin_ConstraintParallel::ID(),
 803           aBaseFeature->lastResult(),
 804           theAfterFeature->lastResult());
 805     theCreatedFeatures.insert(aConstraintFeature);
 806   }
 807 #endif
 808   return anNewFeature;
 809 }
 810
 811 FeaturePtr SketchPlugin_Split::splitArc(FeaturePtr& theSplitFeature,
 812                                         FeaturePtr& theBaseFeatureModified,
 813                                         FeaturePtr& theAfterFeature,
 814                                         std::set<AttributePoint2DPtr>& thePoints,
 815                                         std::set<FeaturePtr>& theCreatedFeatures,
 816                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 817 {
 818   FeaturePtr anNewFeature;
 819
 820   std::set<FeaturePtr> aCreatedFeatures;
 821   FeaturePtr aConstraintFeature;
 822   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
 823
 824   AttributeReferencePtr aBaseObjectAttr = reference(SELECTED_OBJECT());
 825   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 826
 827   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointAttribute(true);
 828   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointAttribute(false);
 829   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 830   SketchPlugin_SegmentationTools::getFeaturePoints(
 831       aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 832   if (!aStartPointAttrOfBase.get() && !anEndPointAttrOfBase.get()) {
 833     setError("Error: Feature has no start and end points.");
 834     return anNewFeature;
 835   }
 836
 837   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 838                      aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 839 #ifdef DEBUG_SPLIT
 840   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 841   std::cout << "Start point: " <<
 842     ModelGeomAlgo_Point2D::getPointAttributeInfo(aStartPointAttrOfBase) << std::endl;
 843   std::cout << "1st point:   " <<
 844     ModelGeomAlgo_Point2D::getPointAttributeInfo(aFirstPointAttrOfSplit) << std::endl;
 845   std::cout << "2nd point:   " <<
 846     ModelGeomAlgo_Point2D::getPointAttributeInfo(aSecondPointAttrOfSplit) << std::endl;
 847   std::cout << "End point:   " <<
 848     ModelGeomAlgo_Point2D::getPointAttributeInfo(anEndPointAttrOfBase) << std::endl;
 849 #endif
 850
 851   // split feature
 852   theSplitFeature = SketchPlugin_SegmentationTools::createArcFeature(
 853       aBaseFeature, aFirstPointAttrOfSplit->pnt(), aSecondPointAttrOfSplit->pnt());
 854   theCreatedFeatures.insert(theSplitFeature);
 855
 856   // before split feature
 857   if (aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 858     theModifiedAttributes.insert(std::make_pair(aStartPointAttrOfBase,
 859                                   theSplitFeature->attribute(SketchPlugin_Arc::START_ID())));
 860   }
 861   else {
 862     theBaseFeatureModified = aBaseFeature; // use base feature to store all constraints here
 863     // move end arc point to start of split
 864   }
 865
 866   // after split feature
 867   if (!aSecondPointAttrOfSplit->pnt()->isEqual(anEndPointAttrOfBase->pnt())) {
 868     FeaturePtr aFeature;
 869     if (!theBaseFeatureModified.get()) {
 870       aFeature = aBaseFeature; // use base feature to store all constraints here
 871       fillAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), aSecondPointAttrOfSplit);
 872       aFeature->execute(); // to update result
 873     }
 874     else {
 875       aFeature = SketchPlugin_SegmentationTools::createArcFeature(
 876           aBaseFeature, aSecondPointAttrOfSplit->pnt(), anEndPointAttrOfBase->pnt());
 877       theCreatedFeatures.insert(aFeature);
 878       theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 879                                                   aFeature->attribute(SketchPlugin_Arc::END_ID())));
 880       anNewFeature = aFeature;
 881     }
 882     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 883                      SketchPlugin_ConstraintCoincidence::ID(),
 884                      theSplitFeature->attribute(SketchPlugin_Arc::END_ID()),
 885                      aFeature->attribute(SketchPlugin_Arc::START_ID()));
 886     theCreatedFeatures.insert(aConstraintFeature);
 887
 888     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 889                                 (aFeature->attribute(SketchPlugin_Arc::START_ID())));
 890     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 891                                 (aFeature->attribute(SketchPlugin_Arc::END_ID())));
 892
 893     if (!theBaseFeatureModified.get())
 894       theBaseFeatureModified = aFeature;
 895     else
 896       theAfterFeature = aFeature;
 897   }
 898   else {
 899     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 900                                   (theSplitFeature->attribute(SketchPlugin_Arc::END_ID())));
 901     theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
 902                                    theSplitFeature->attribute(SketchPlugin_Arc::END_ID())));
 903   }
 904   // base split, that is defined before split feature should be changed at end
 905   // (after the after feature creation). Otherwise modified value will be used in after feature
 906   // before split feature
 907   if (!aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
 908     // move end arc point to start of split
 909     fillAttribute(theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID()),
 910                                                     aFirstPointAttrOfSplit);
 911     theBaseFeatureModified->execute(); // to update result
 912     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 913                      SketchPlugin_ConstraintCoincidence::ID(),
 914                      theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID()),
 915                      theSplitFeature->attribute(SketchPlugin_Arc::START_ID()));
 916     theCreatedFeatures.insert(aConstraintFeature);
 917
 918     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 919                              (theBaseFeatureModified->attribute(SketchPlugin_Arc::START_ID())));
 920     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 921                                (theBaseFeatureModified->attribute(SketchPlugin_Arc::END_ID())));
 922   }
 923   else
 924     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 925                                        (theSplitFeature->attribute(SketchPlugin_Arc::START_ID())));
 926
 927   // additional constraints between split and base features
 928 #ifdef CREATE_CONSTRAINTS
 929   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 930           SketchPlugin_ConstraintEqual::ID(),
 931           aBaseFeature->lastResult(),
 932           theSplitFeature->lastResult());
 933   theCreatedFeatures.insert(aConstraintFeature);
 934   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 935           SketchPlugin_ConstraintTangent::ID(),
 936           theSplitFeature->lastResult(),
 937           aBaseFeature->lastResult());
 938   theCreatedFeatures.insert(aConstraintFeature);
 939   if (theAfterFeature.get()) {
 940     aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 941                 SketchPlugin_ConstraintEqual::ID(),
 942                 aBaseFeature->lastResult(),
 943                 theAfterFeature->lastResult());
 944     theCreatedFeatures.insert(aConstraintFeature);
 945     aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
 946                 SketchPlugin_ConstraintTangent::ID(),
 947                 theSplitFeature->lastResult(),
 948                 theAfterFeature->lastResult());
 949     theCreatedFeatures.insert(aConstraintFeature);
 950   }
 951 #endif
 952   return anNewFeature;
 953 }
 954
 955 FeaturePtr SketchPlugin_Split::splitEllipticArc(FeaturePtr& theSplitFeature,
 956                                                 FeaturePtr& theBaseFeatureModified,
 957                                                 FeaturePtr& theAfterFeature,
 958                                                 std::set<AttributePoint2DPtr>& thePoints,
 959                                                 std::set<FeaturePtr>& theCreatedFeatures,
 960                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 961 {
 962   FeaturePtr anNewFeature;
 963
 964   std::set<FeaturePtr> aCreatedFeatures;
 965   FeaturePtr aConstraintFeature;
 966   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
 967
 968   AttributeReferencePtr aBaseObjectAttr = reference(SELECTED_OBJECT());
 969   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 970
 971   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointAttribute(true);
 972   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointAttribute(false);
 973   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 974   SketchPlugin_SegmentationTools::getFeaturePoints(
 975       aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 976   if (!aStartPointAttrOfBase.get() && !anEndPointAttrOfBase.get()) {
 977     setError("Error: Feature has no start and end points.");
 978     return anNewFeature;
 979   }
 980
 981   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 982                      aFirstPointAttrOfSplit, aSecondPointAttrOfSplit);
 983 #ifdef DEBUG_SPLIT
 984   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 985   std::cout << "Start point: " <<
 986     ModelGeomAlgo_Point2D::getPointAttributeInfo(aStartPointAttrOfBase) << std::endl;
 987   std::cout << "1st point:   " <<
 988     ModelGeomAlgo_Point2D::getPointAttributeInfo(aFirstPointAttrOfSplit) << std::endl;
 989   std::cout << "2nd point:   " <<
 990     ModelGeomAlgo_Point2D::getPointAttributeInfo(aSecondPointAttrOfSplit) << std::endl;
 991   std::cout << "End point:   " <<
 992     ModelGeomAlgo_Point2D::getPointAttributeInfo(anEndPointAttrOfBase) << std::endl;
 993 #endif
 994
 995   // split feature
 996   theSplitFeature = SketchPlugin_SegmentationTools::createArcFeature(
 997       aBaseFeature, aFirstPointAttrOfSplit->pnt(), aSecondPointAttrOfSplit->pnt());
 998   theCreatedFeatures.insert(theSplitFeature);
 999
1000   // before split feature
1001   if (aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
1002     theModifiedAttributes.insert(std::make_pair(aStartPointAttrOfBase,
1003         theSplitFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID())));
1004   }
1005   else {
1006     theBaseFeatureModified = aBaseFeature; // use base feature to store all constraints here
1007     // move end arc point to start of split
1008   }
1009
1010   // after split feature
1011   if (!aSecondPointAttrOfSplit->pnt()->isEqual(anEndPointAttrOfBase->pnt())) {
1012     FeaturePtr aFeature;
1013     if (!theBaseFeatureModified.get()) {
1014       aFeature = aBaseFeature; // use base feature to store all constraints here
1015       fillAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), aSecondPointAttrOfSplit);
1016       aFeature->execute(); // to update result
1017     }
1018     else {
1019       aFeature = SketchPlugin_SegmentationTools::createArcFeature(
1020           aBaseFeature, aSecondPointAttrOfSplit->pnt(), anEndPointAttrOfBase->pnt());
1021       theCreatedFeatures.insert(aFeature);
1022       theModifiedAttributes.insert(std::make_pair(
1023           anEndPointAttrOfBase, aFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID())));
1024       anNewFeature = aFeature;
1025     }
1026     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1027                      SketchPlugin_ConstraintCoincidence::ID(),
1028                      theSplitFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID()),
1029                      aFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID()));
1030     theCreatedFeatures.insert(aConstraintFeature);
1031
1032     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1033                                 (aFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID())));
1034     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1035                                 (aFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID())));
1036
1037     if (!theBaseFeatureModified.get())
1038       theBaseFeatureModified = aFeature;
1039     else
1040       theAfterFeature = aFeature;
1041   }
1042   else {
1043     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1044         theSplitFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID())));
1045     theModifiedAttributes.insert(std::make_pair(anEndPointAttrOfBase,
1046         theSplitFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID())));
1047   }
1048   // base split, that is defined before split feature should be changed at end
1049   // (after the after feature creation). Otherwise modified value will be used in after feature
1050   // before split feature
1051   if (!aStartPointAttrOfBase->pnt()->isEqual(aFirstPointAttrOfSplit->pnt())) {
1052     // move end arc point to start of split
1053     fillAttribute(theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::END_POINT_ID()),
1054                   aFirstPointAttrOfSplit);
1055     theBaseFeatureModified->execute(); // to update result
1056     aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1057                      SketchPlugin_ConstraintCoincidence::ID(),
1058                      theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::END_POINT_ID()),
1059                      theSplitFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID()));
1060     theCreatedFeatures.insert(aConstraintFeature);
1061
1062     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1063         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::START_POINT_ID())));
1064     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1065         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::END_POINT_ID())));
1066   }
1067   else
1068     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1069                      theSplitFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID())));
1070
1071   // additional constraints between split and base features
1072 #ifdef CREATE_CONSTRAINTS
1073   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
1074           SketchPlugin_ConstraintEqual::ID(),
1075           aBaseFeature->lastResult(),
1076           theSplitFeature->lastResult());
1077   theCreatedFeatures.insert(aConstraintFeature);
1078   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
1079           SketchPlugin_ConstraintTangent::ID(),
1080           theSplitFeature->lastResult(),
1081           aBaseFeature->lastResult());
1082   theCreatedFeatures.insert(aConstraintFeature);
1083   if (theAfterFeature.get()) {
1084     aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
1085                 SketchPlugin_ConstraintEqual::ID(),
1086                 aBaseFeature->lastResult(),
1087                 theAfterFeature->lastResult());
1088     theCreatedFeatures.insert(aConstraintFeature);
1089     aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
1090                 SketchPlugin_ConstraintTangent::ID(),
1091                 theSplitFeature->lastResult(),
1092                 theAfterFeature->lastResult());
1093     theCreatedFeatures.insert(aConstraintFeature);
1094   }
1095 #endif
1096   return anNewFeature;
1097 }
1098
1099 FeaturePtr SketchPlugin_Split::splitClosed(FeaturePtr& theSplitFeature,
1100                                            FeaturePtr& theBaseFeatureModified,
1101                                            FeaturePtr& /*theAfterFeature*/,
1102                                            std::set<AttributePoint2DPtr>& thePoints,
1103                                            std::set<FeaturePtr>& theCreatedFeatures,
1104                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
1105 {
1106   FeaturePtr anNewFeature;
1107
1108   std::set<FeaturePtr> aCreatedFeatures;
1109   FeaturePtr aConstraintFeature;
1110   theBaseFeatureModified = FeaturePtr(); // it will contain modified base feature
1111
1112   AttributeReferencePtr aBaseObjectAttr = reference(SELECTED_OBJECT());
1113   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1114
1115   AttributePoint2DPtr aFirstPointAttrOfSplit = getPointAttribute(true);
1116   AttributePoint2DPtr aSecondPointAttrOfSplit = getPointAttribute(false);
1117
1118   // split feature
1119   theSplitFeature = SketchPlugin_SegmentationTools::createArcFeature(
1120       aBaseFeature, aFirstPointAttrOfSplit->pnt(), aSecondPointAttrOfSplit->pnt());
1121   const std::string& aReversedAttrName = theSplitFeature->getKind() == SketchPlugin_Arc::ID() ?
1122       SketchPlugin_Arc::REVERSED_ID() : SketchPlugin_EllipticArc::REVERSED_ID();
1123   bool aSplitReversed = theSplitFeature->boolean(aReversedAttrName)->value();
1124   theCreatedFeatures.insert(theSplitFeature);
1125
1126   // base feature is a left part of the circle
1127   theBaseFeatureModified = SketchPlugin_SegmentationTools::createArcFeature(
1128       aBaseFeature, aFirstPointAttrOfSplit->pnt(), aSecondPointAttrOfSplit->pnt());
1129   anNewFeature = theBaseFeatureModified;
1130   theBaseFeatureModified->boolean(aReversedAttrName)->setValue(!aSplitReversed);
1131   theBaseFeatureModified->execute();
1132
1133   if (aBaseFeature->getKind() == SketchPlugin_Circle::ID()) {
1134     theModifiedAttributes.insert(std::make_pair(
1135         aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
1136         theBaseFeatureModified->attribute(SketchPlugin_Arc::CENTER_ID())));
1137   }
1138   else if (aBaseFeature->getKind() == SketchPlugin_Ellipse::ID()) {
1139     theModifiedAttributes.insert(std::make_pair(
1140         aBaseFeature->attribute(SketchPlugin_Ellipse::CENTER_ID()),
1141         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::CENTER_ID())));
1142     theModifiedAttributes.insert(std::make_pair(
1143         aBaseFeature->attribute(SketchPlugin_Ellipse::FIRST_FOCUS_ID()),
1144         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::FIRST_FOCUS_ID())));
1145     theModifiedAttributes.insert(std::make_pair(
1146         aBaseFeature->attribute(SketchPlugin_Ellipse::SECOND_FOCUS_ID()),
1147         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::SECOND_FOCUS_ID())));
1148     theModifiedAttributes.insert(std::make_pair(
1149         aBaseFeature->attribute(SketchPlugin_Ellipse::MAJOR_AXIS_START_ID()),
1150         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::MAJOR_AXIS_START_ID())));
1151     theModifiedAttributes.insert(std::make_pair(
1152         aBaseFeature->attribute(SketchPlugin_Ellipse::MAJOR_AXIS_END_ID()),
1153         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::MAJOR_AXIS_END_ID())));
1154     theModifiedAttributes.insert(std::make_pair(
1155         aBaseFeature->attribute(SketchPlugin_Ellipse::MINOR_AXIS_START_ID()),
1156         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::MINOR_AXIS_START_ID())));
1157     theModifiedAttributes.insert(std::make_pair(
1158         aBaseFeature->attribute(SketchPlugin_Ellipse::MINOR_AXIS_END_ID()),
1159         theBaseFeatureModified->attribute(SketchPlugin_EllipticArc::MINOR_AXIS_END_ID())));
1160
1161     // update the PARENT_ID reference for all the features created by the ellipse
1162     const std::set<AttributePtr>& aRefs = aBaseFeature->data()->refsToMe();
1163     std::list<AttributePtr> aRefsToParent;
1164     for (std::set<AttributePtr>::const_iterator aRef = aRefs.begin(); aRef != aRefs.end(); ++aRef) {
1165       if ((*aRef)->id() == SketchPlugin_SketchEntity::PARENT_ID())
1166         aRefsToParent.push_back(*aRef);
1167     }
1168     for (std::list<AttributePtr>::iterator aRef = aRefsToParent.begin();
1169          aRef != aRefsToParent.end(); ++aRef) {
1170       std::dynamic_pointer_cast<ModelAPI_AttributeReference>(*aRef)->setValue(
1171           theBaseFeatureModified);
1172
1173       FeaturePtr anOwner = ModelAPI_Feature::feature((*aRef)->owner());
1174       SketchPlugin_Tools::replaceInName(anOwner,
1175           aBaseFeature->name(), theBaseFeatureModified->name());
1176       SketchPlugin_Tools::replaceInName(anOwner->lastResult(),
1177           aBaseFeature->name(), theBaseFeatureModified->name());
1178     }
1179   }
1180
1181   theCreatedFeatures.insert(theBaseFeatureModified);
1182
1183   const std::string& aStartAttrName = theSplitFeature->getKind() == SketchPlugin_Arc::ID() ?
1184       SketchPlugin_Arc::START_ID() : SketchPlugin_EllipticArc::START_POINT_ID();
1185   const std::string& aEndAttrName = theSplitFeature->getKind() == SketchPlugin_Arc::ID() ?
1186       SketchPlugin_Arc::END_ID() : SketchPlugin_EllipticArc::END_POINT_ID();
1187
1188   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1189                              (theBaseFeatureModified->attribute(aStartAttrName)));
1190   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1191                              (theBaseFeatureModified->attribute(aEndAttrName)));
1192
1193   // additional constraints between split and base features
1194   aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1195                      SketchPlugin_ConstraintCoincidence::ID(),
1196                      theBaseFeatureModified->attribute(aEndAttrName),
1197                      theSplitFeature->attribute(aEndAttrName));
1198   theCreatedFeatures.insert(aConstraintFeature);
1199   aConstraintFeature = SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1200                      SketchPlugin_ConstraintCoincidence::ID(),
1201                      theBaseFeatureModified->attribute(aStartAttrName),
1202                      theSplitFeature->attribute(aStartAttrName));
1203   theCreatedFeatures.insert(aConstraintFeature);
1204
1205 #ifdef CREATE_CONSTRAINTS
1206   aConstraintFeature = SketchPlugin_Tools::createConstraint(sketch(),
1207                      SketchPlugin_ConstraintTangent::ID(),
1208                      theSplitFeature->lastResult(),
1209                      theBaseFeatureModified->lastResult());
1210   theCreatedFeatures.insert(aConstraintFeature);
1211 #endif
1212   return anNewFeature;
1213 }
1214
1215 void SketchPlugin_Split::arrangePointsOnLine(
1216     const AttributePoint2DPtr& theStartPointAttr,
1217     const AttributePoint2DPtr& /*theEndPointAttr*/,
1218     AttributePoint2DPtr& theFirstPointAttr,
1219     AttributePoint2DPtr& theLastPointAttr) const
1220 {
1221   // if first point is closer to last point, swap first and last values
1222   if (theStartPointAttr->pnt()->distance(theFirstPointAttr->pnt()) >
1223       theStartPointAttr->pnt()->distance(theLastPointAttr->pnt())) {
1224     AttributePoint2DPtr aTmpPoint = theFirstPointAttr;
1225     theFirstPointAttr = theLastPointAttr;
1226     theLastPointAttr = aTmpPoint;
1227   }
1228 }
1229
1230 void SketchPlugin_Split::arrangePointsOnArc(
1231     const FeaturePtr& theArc,
1232     const std::shared_ptr<GeomDataAPI_Point2D>& theStartPointAttr,
1233     const std::shared_ptr<GeomDataAPI_Point2D>& /*theEndPointAttr*/,
1234     std::shared_ptr<GeomDataAPI_Point2D>& theFirstPointAttr,
1235     std::shared_ptr<GeomDataAPI_Point2D>& theSecondPointAttr) const
1236 {
1237   static const double anAngleTol = 1.e-12;
1238
1239   const std::string& aCenterAttrName = theArc->getKind() == SketchPlugin_Arc::ID() ?
1240       SketchPlugin_Arc::CENTER_ID() : SketchPlugin_EllipticArc::CENTER_ID();
1241   const std::string& aReversedAttrName = theArc->getKind() == SketchPlugin_Arc::ID() ?
1242       SketchPlugin_Arc::REVERSED_ID() : SketchPlugin_EllipticArc::REVERSED_ID();
1243
1244   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1245       theArc->attribute(aCenterAttrName))->pnt();
1246   bool isReversed = theArc->boolean(aReversedAttrName)->value();
1247
1248   // collect directions to each point
1249   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
1250       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1251   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
1252       new GeomAPI_Dir2d(theFirstPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1253   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
1254       new GeomAPI_Dir2d(theSecondPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1255
1256   // sort points by their angular values
1257   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
1258   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
1259   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
1260   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
1261     aFirstPtAngle += aPeriod;
1262   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
1263     aSecondPtAngle += aPeriod;
1264
1265   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
1266     AttributePoint2DPtr aTmpPoint = theFirstPointAttr;
1267     theFirstPointAttr = theSecondPointAttr;
1268     theSecondPointAttr = aTmpPoint;
1269   }
1270 }
1271
1272 void SketchPlugin_Split::fillAttribute(const AttributePtr& theModifiedAttribute,
1273                                                  const AttributePtr& theSourceAttribute)
1274 {
1275   std::string anAttributeType = theModifiedAttribute->attributeType();
1276   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1277     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1278                                               theModifiedAttribute);
1279     AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1280                                               theSourceAttribute);
1281
1282     if (aModifiedAttribute.get() && aSourceAttribute.get())
1283       aModifiedAttribute->setValue(aSourceAttribute->pnt());
1284   }
1285   else if (anAttributeType == ModelAPI_AttributeBoolean::typeId()) {
1286     AttributeBooleanPtr aModifiedAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1287                                               theModifiedAttribute);
1288     AttributeBooleanPtr aSourceAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1289                                               theSourceAttribute);
1290
1291     if (aModifiedAttribute.get() && aSourceAttribute.get())
1292       aModifiedAttribute->setValue(aSourceAttribute->value());
1293   }
1294 }
1295
1296 #ifdef _DEBUG
1297 std::set<std::shared_ptr<ModelAPI_Attribute> > SketchPlugin_Split::getEdgeAttributes(
1298                                            const std::shared_ptr<ModelAPI_Feature>& theFeature)
1299 {
1300   std::set<std::shared_ptr<ModelAPI_Attribute> > anAttributes;
1301
1302   std::string aFeatureKind = theFeature->getKind();
1303   if (aFeatureKind == SketchPlugin_Line::ID()) {
1304     anAttributes.insert(theFeature->attribute(SketchPlugin_Line::START_ID()));
1305     anAttributes.insert(theFeature->attribute(SketchPlugin_Line::END_ID()));
1306   }
1307   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
1308     anAttributes.insert(theFeature->attribute(SketchPlugin_Arc::START_ID()));
1309     anAttributes.insert(theFeature->attribute(SketchPlugin_Arc::END_ID()));
1310   }
1311   else if (aFeatureKind == SketchPlugin_EllipticArc::ID()) {
1312     anAttributes.insert(theFeature->attribute(SketchPlugin_EllipticArc::START_POINT_ID()));
1313     anAttributes.insert(theFeature->attribute(SketchPlugin_EllipticArc::END_POINT_ID()));
1314   }
1315   else if (aFeatureKind == SketchPlugin_Circle::ID()) {
1316   }
1317
1318   return anAttributes;
1319 }
1320 #endif
1321
1322 std::shared_ptr<GeomDataAPI_Point2D> SketchPlugin_Split::getPointAttribute
1323                                                               (const bool isFirstAttribute)
1324 {
1325   std::shared_ptr<GeomDataAPI_Point2D> anAttribute;
1326
1327   GeomShapePtr aSelectedShape = SketchPlugin_SegmentationTools::getSubShape(this,
1328       SELECTED_OBJECT(), SELECTED_POINT(), myCashedShapes, myCashedReferences);
1329   if (!aSelectedShape.get())
1330     return anAttribute;
1331
1332   if (aSelectedShape->shapeType() != GeomAPI_Shape::EDGE)
1333     return anAttribute;
1334
1335   AttributeReferencePtr anObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1336                                                        data()->attribute(SELECTED_OBJECT()));
1337   ObjectPtr aBaseObject = anObjectAttr->value();
1338   if (!aBaseObject.get())
1339     return anAttribute;
1340
1341   std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aSelectedShape));
1342
1343   std::shared_ptr<GeomAPI_Pnt> aFirstPnt = anEdge->firstPoint();
1344   std::shared_ptr<GeomAPI_Pnt> aLastPnt = anEdge->lastPoint();
1345
1346   std::shared_ptr<GeomDataAPI_Point2D> aFirstPointAttr, aLastPointAttr;
1347   // find the points in feature attributes
1348   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObject);
1349   std::list<AttributePtr> a2DPointAttributes = aBaseFeature->data()->attributes(
1350                                                     GeomDataAPI_Point2D::typeId());
1351   std::list<AttributePtr>::const_iterator anIt = a2DPointAttributes.begin(),
1352                                           aLast = a2DPointAttributes.end();
1353   for (; anIt != aLast; anIt++) {
1354     std::shared_ptr<GeomDataAPI_Point2D> anAttributePoint =
1355                                   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
1356     std::shared_ptr<GeomAPI_Pnt2d> aPoint2D = anAttributePoint->pnt();
1357     std::shared_ptr<GeomAPI_Pnt> aPoint3D = sketch()->to3D(aPoint2D->x(), aPoint2D->y());
1358     if (aFirstPnt->isEqual(aPoint3D))
1359       aFirstPointAttr = anAttributePoint;
1360     else if (aLastPnt->isEqual(aPoint3D))
1361       aLastPointAttr = anAttributePoint;
1362   }
1363
1364   // find the points in coincident features
1365   const GeomAlgoAPI_ShapeTools::PointToRefsMap& aRefAttributes = myCashedReferences.at(aBaseObject);
1366   GeomAlgoAPI_ShapeTools::PointToRefsMap::const_iterator
1367     aRIt = aRefAttributes.begin(), aRLast = aRefAttributes.end();
1368   for (; aRIt != aRLast; aRIt++) {
1369     const std::list<AttributePoint2DPtr>& anAttributes = aRIt->second.first;
1370     GeomPointPtr aPoint = aRIt->first;
1371     if (!aFirstPointAttr.get() && aFirstPnt->isEqual(aPoint))
1372       aFirstPointAttr = anAttributes.front();
1373     if (!aLastPointAttr.get() && aLastPnt->isEqual(aPoint))
1374       aLastPointAttr = anAttributes.front();
1375     if (aFirstPointAttr.get() && aLastPointAttr.get())
1376       break;
1377   }
1378   if (!aFirstPointAttr.get() || !aLastPointAttr)
1379     return anAttribute;
1380
1381   return isFirstAttribute ? aFirstPointAttr : aLastPointAttr;
1382 }
1383
1384 #ifdef _DEBUG
1385 std::string SketchPlugin_Split::getFeatureInfo(const std::shared_ptr<ModelAPI_Feature>& theFeature,
1386                                                const bool isUseAttributesInfo)
1387 {
1388   std::string anInfo;
1389   if (!theFeature.get()) {
1390     return "none";
1391   }
1392
1393   if (theFeature->data()->isValid())
1394     anInfo.append(Locale::Convert::toString(theFeature->data()->name()));
1395
1396   if (isUseAttributesInfo) {
1397     std::string aPointsInfo = ModelGeomAlgo_Point2D::getPontAttributesInfo(theFeature,
1398                                                              getEdgeAttributes(theFeature));
1399     // processing of feature with point 2d attributes, like line, arc, circle
1400     if (!aPointsInfo.empty()) {
1401       anInfo += ": ";
1402       anInfo += "\n";
1403       anInfo += aPointsInfo;
1404     }
1405     else { // process constraint coincidence, find points in ref attr attributes
1406       std::list<AttributePtr> anAttrs = theFeature->data()->attributes(
1407                                                        ModelAPI_AttributeRefAttr::typeId());
1408       std::list<AttributePtr>::const_iterator anIt = anAttrs.begin(), aLast = anAttrs.end();
1409       std::string anAttributesInfo;
1410       for(; anIt != aLast; anIt++) {
1411         if (!anAttributesInfo.empty()) {
1412           anAttributesInfo.append(", ");
1413           anAttributesInfo += "\n";
1414         }
1415         AttributePtr anAttr = *anIt;
1416         std::string aValue = "not defined";
1417         std::string aType = anAttr->attributeType();
1418         if (aType == ModelAPI_AttributeRefAttr::typeId()) {
1419           std::shared_ptr<ModelAPI_AttributeRefAttr> aRefAttr =
1420                              std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
1421           if (aRefAttr.get()) {
1422             if (aRefAttr->isObject()) {
1423               FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
1424               aValue = "<object:>" + getFeatureInfo(aFeature, false);
1425             }
1426             else {
1427               AttributePtr anAttribute = aRefAttr->attr();
1428               if (anAttribute.get()) {
1429                 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttribute->owner());
1430                 aValue = "<attr:>" + ModelGeomAlgo_Point2D::getPointAttributeInfo(anAttribute) +
1431                          " [" + getFeatureInfo(aFeature, false) + "]";
1432               }
1433             }
1434           }
1435         }
1436         anAttributesInfo.append("    " + anAttr->id() + ": " + aValue);
1437       }
1438       if (!anAttributesInfo.empty())
1439         anInfo = anInfo + "\n" + anAttributesInfo;
1440     }
1441   }
1442   return anInfo;
1443 }
1444 #endif