src/SketchPlugin/SketchPlugin_Trim.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "SketchPlugin_Trim.h"
  21
  22 #include <GeomAPI_Dir2d.h>
  23 #include <GeomAPI_Edge.h>
  24 #include <GeomAPI_Pnt2d.h>
  25 #include <GeomAPI_XY.h>
  26 #include <GeomDataAPI_Point2D.h>
  27 #include <GeomAlgoAPI_ShapeTools.h>
  28 #include <GeomAlgoAPI_CompoundBuilder.h>
  29
  30 #include <ModelAPI_AttributeReference.h>
  31 #include <ModelAPI_AttributeString.h>
  32 #include <ModelAPI_AttributeRefAttr.h>
  33 #include <ModelAPI_Tools.h>
  34 #include <ModelAPI_AttributeBoolean.h>
  35
  36 #include <ModelAPI_Validator.h>
  37 #include <ModelAPI_Session.h>
  38 #include <ModelAPI_AttributeDouble.h>
  39
  40 #include <ModelGeomAlgo_Shape.h>
  41
  42 #include <SketchPlugin_Arc.h>
  43 #include <SketchPlugin_ConstraintMiddle.h>
  44 #include <SketchPlugin_Circle.h>
  45 #include <SketchPlugin_ConstraintCoincidence.h>
  46 #include <SketchPlugin_ConstraintEqual.h>
  47 #include <SketchPlugin_ConstraintTangent.h>
  48 #include <SketchPlugin_ConstraintLength.h>
  49 #include <SketchPlugin_ConstraintMirror.h>
  50 #include <SketchPlugin_ConstraintCollinear.h>
  51 #include <SketchPlugin_Line.h>
  52 #include <SketchPlugin_MultiRotation.h>
  53 #include <SketchPlugin_MultiTranslation.h>
  54 #include <SketchPlugin_Point.h>
  55 #include <SketchPlugin_Projection.h>
  56 #include <SketchPlugin_Tools.h>
  57
  58 #include <ModelAPI_EventReentrantMessage.h>
  59
  60 #include <ModelAPI_Events.h>
  61 #include <SketchPlugin_Line.h>
  62 #include <SketchPlugin_Arc.h>
  63 #include <SketchPlugin_Circle.h>
  64
  65 #include <ModelGeomAlgo_Point2D.h>
  66 #include <Events_Loop.h>
  67
  68 #include <cmath>
  69
  70 #ifdef DEBUG_TRIM
  71 #include <iostream>
  72 #endif
  73
  74 #ifdef DEBUG_TRIM_METHODS
  75 #include <iostream>
  76 #endif
  77
  78 static const double PI = 3.141592653589793238463;
  79
  80 static const std::string OPERATION_HIGHLIGHT_COLOR() { return "128, 0, 0"; }
  81 static const std::string OPERATION_REMOVE_FEATURE_COLOR() { return "255, 174, 201"; }
  82
  83 SketchPlugin_Trim::SketchPlugin_Trim()
  84 {
  85 }
  86
  87 void SketchPlugin_Trim::initAttributes()
  88 {
  89   data()->addAttribute(SELECTED_OBJECT(), ModelAPI_AttributeReference::typeId());
  90   data()->addAttribute(SELECTED_POINT(), GeomDataAPI_Point2D::typeId());
  91
  92   data()->addAttribute(PREVIEW_POINT(), GeomDataAPI_Point2D::typeId());
  93   data()->addAttribute(PREVIEW_OBJECT(), ModelAPI_AttributeReference::typeId());
  94
  95   data()->attribute(PREVIEW_POINT())->setIsArgument(false);
  96   data()->attribute(SELECTED_POINT())->setIsArgument(false);
  97   data()->attribute(PREVIEW_OBJECT())->setIsArgument(false);
  98
  99   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_POINT());
 100   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PREVIEW_OBJECT());
 101 }
 102
 103 void SketchPlugin_Trim::findShapePoints(const std::string& theObjectAttributeId,
 104                                         const std::string& thePointAttributeId,
 105                                         std::shared_ptr<GeomAPI_Pnt>& aStartPoint,
 106                                         std::shared_ptr<GeomAPI_Pnt>& aLastPoint)
 107 {
 108   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 109                                             data()->attribute(theObjectAttributeId));
 110   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 111
 112   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 113                                               data()->attribute(thePointAttributeId));
 114   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPoint->pnt();
 115   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 116                                                                anAttributePnt2d->y());
 117
 118   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 119     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 120
 121   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 122   if (!aShapes.empty()) {
 123     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 124     for (; anIt != aLast; anIt++) {
 125       GeomShapePtr aBaseShape = *anIt;
 126       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 127       if (ModelGeomAlgo_Point2D::isPointOnEdge(aBaseShape, anAttributePnt, aProjectedPoint)) {
 128
 129         if (aBaseShape->shapeType() == GeomAPI_Shape::EDGE) {
 130           std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aBaseShape));
 131           //GeomAPI_Shape::Orientation anOrientation = anEdge->orientation();
 132           //if (anOrientation == GeomAPI_Shape::REVERSED) {
 133             aStartPoint = anEdge->lastPoint();
 134             aLastPoint = anEdge->firstPoint();
 135           //}
 136           //else {
 137             //aStartPoint = anEdge->firstPoint();
 138             //aLastPoint = anEdge->lastPoint();
 139           //}
 140         }
 141       }
 142     }
 143   }
 144 #ifdef DEBUG_TRIM
 145   std::cout << "<findShapePoints> => "
 146     << std::endl << "Attribute point: "
 147     << anAttributePnt->x() << ", " << anAttributePnt->y() << ", " << anAttributePnt->z() << "]"
 148     << std::endl << "Start Point: ["
 149     << aStartPoint->x() << ", " << aStartPoint->y() << ", " << aStartPoint->z() << "]"
 150     << std::endl << "Last Point: ["
 151     << aLastPoint->x() << ", " << aLastPoint->y() << ", " << aLastPoint->z() << "]"
 152     << std::endl;
 153 #endif
 154 }
 155
 156 std::shared_ptr<GeomAPI_Pnt2d> SketchPlugin_Trim::convertPoint(
 157                                                    const std::shared_ptr<GeomAPI_Pnt>& thePoint)
 158 {
 159   std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 160   if (!thePoint.get())
 161     return aPoint;
 162
 163   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 164                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 165   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 166   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 167     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 168
 169   bool aFound = false;
 170   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 171   for (PointToRefsMap::const_iterator aPointIt = aRefsMap.begin();
 172        aPointIt != aRefsMap.end() && !aFound; aPointIt++) {
 173     if (aPointIt->first->isEqual(thePoint)) {
 174       const std::pair<std::list<AttributePoint2DPtr >,
 175                std::list<ObjectPtr > >& anInfo = aPointIt->second;
 176       const std::list<AttributePoint2DPtr >& anAttributes = anInfo.first;
 177       if (!anAttributes.empty()) {
 178         aPoint = anAttributes.front()->pnt();
 179         aFound = true;
 180       }
 181       else {
 182         aPoint = sketch()->to2D(thePoint);
 183         aFound = true;
 184       }
 185     }
 186   }
 187   if (!aFound) {
 188     // returns an end of the shape to define direction of split if feature's attribute
 189     // participates
 190     aPoint = sketch()->to2D(thePoint);
 191   }
 192   return aPoint;
 193 }
 194
 195 void SketchPlugin_Trim::execute()
 196 {
 197 #ifdef DEBUG_TRIM_METHODS
 198   std::cout << "SketchPlugin_Trim::execute: " << data()->name() << std::endl;
 199 #endif
 200
 201   SketchPlugin_Sketch* aSketch = sketch();
 202   if (!aSketch) {
 203     setError("Error: Sketch object is empty.");
 204     return;
 205   }
 206
 207   // Check the base objects are initialized.
 208   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 209                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 210   if(!aBaseObjectAttr->isInitialized()) {
 211     setError("Error: Base object is not initialized.");
 212     return;
 213   }
 214   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 215   if (!aBaseObject.get()) {
 216     setError("Error: Base object is not initialized.");
 217     return;
 218   }
 219   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 220
 221   /// Remove reference of this feature to feature used in preview, it is not necessary anymore
 222   /// as trim will be removed after execute
 223   AttributeReferencePtr aPreviewObjectAttr =
 224                      std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 225                      data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 226
 227   ObjectPtr aPreviewObject = aPreviewObjectAttr->value();
 228   AttributePoint2DPtr aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 229                                            data()->attribute(PREVIEW_POINT()));
 230   std::shared_ptr<GeomAPI_Pnt2d> aPreviewPnt2d = aPoint->pnt();
 231   // nullify pointer of preview attribute
 232   aPreviewObjectAttr->setValue(ResultPtr());
 233
 234   bool anIsEqualPreviewAndSelected = aPreviewObject == aBaseObject;
 235
 236   /// points of trim
 237   std::shared_ptr<GeomAPI_Pnt> aStartShapePoint, aLastShapePoint;
 238 #ifdef DEBUG_TRIM
 239   std::cout << " Base Feature: " << aBaseFeature->data()->name() << std::endl;
 240 #endif
 241   findShapePoints(SELECTED_OBJECT(), SELECTED_POINT(), aStartShapePoint, aLastShapePoint);
 242
 243   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint2d = convertPoint(aStartShapePoint);
 244   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint2d = convertPoint(aLastShapePoint);
 245   /// find features that should be deleted (e.g. Middle Point) or updated (e.g. Length)
 246   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
 247   getConstraints(aFeaturesToDelete, aFeaturesToUpdate);
 248   // find references(attributes and features) to the base feature
 249   std::map<AttributePtr, std::list<AttributePtr> > aBaseRefAttributes;
 250   std::list<AttributePtr> aRefsToFeature;
 251   getRefAttributes(aBaseFeature, aBaseRefAttributes, aRefsToFeature);
 252 #ifdef DEBUG_TRIM
 253   std::cout << "---- getRefAttributes ----" << std::endl;
 254   std::map<AttributePtr, std::list<AttributePtr> >::const_iterator
 255     aRefIt = aBaseRefAttributes.begin(), aRefLast = aBaseRefAttributes.end();
 256   std::cout << std::endl << "References to attributes of base feature [" <<
 257     aBaseRefAttributes.size() << "]" << std::endl;
 258   for (; aRefIt != aRefLast; aRefIt++) {
 259     AttributePtr aBaseAttr = aRefIt->first;
 260     std::list<AttributePtr> aRefAttributes = aRefIt->second;
 261     std::string aRefsInfo;
 262     std::list<AttributePtr>::const_iterator aRefAttrIt = aRefAttributes.begin(),
 263                                             aRefAttrLast = aRefAttributes.end();
 264     for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 265       if (!aRefsInfo.empty())
 266         aRefsInfo.append(",");
 267       AttributePtr aRAttr = *aRefAttrIt;
 268       aRefsInfo.append(aRAttr->id());
 269       FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 270       aRefsInfo.append("(" + aRFeature->name() + ") ");
 271     }
 272     std::shared_ptr<GeomDataAPI_Point2D> aPointAttr =
 273       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aBaseAttr);
 274     std::cout << aPointAttr->id().c_str() <<
 275       ": " << "[" << aRefAttributes.size() << "] " << aRefsInfo << std::endl;
 276   }
 277   std::cout << std::endl;
 278   std::cout << std::endl << "References to base feature [" <<
 279     aRefsToFeature.size() << "]" << std::endl;
 280   std::list<AttributePtr>::const_iterator aRefAttrIt = aRefsToFeature.begin(),
 281                                           aRefAttrLast = aRefsToFeature.end();
 282   std::string aRefsInfo;
 283   for (; aRefAttrIt != aRefAttrLast; aRefAttrIt++) {
 284     if (!aRefsInfo.empty())
 285       aRefsInfo.append(",");
 286     AttributePtr aRAttr = *aRefAttrIt;
 287     aRefsInfo.append(aRAttr->id());
 288     FeaturePtr aRFeature = ModelAPI_Feature::feature(aRAttr->owner());
 289     aRefsInfo.append("(" + aRFeature->name() + ") ");
 290   }
 291   std::cout << "[" << aRefsToFeature.size() << "] " << aRefsInfo << std::endl;
 292   std::cout << "---- getRefAttributes:end ----" << std::endl;
 293 #endif
 294   std::set<AttributePoint2DPtr> aFurtherCoincidences;
 295   std::set<std::pair<AttributePtr, AttributePtr>> aModifiedAttributes;
 296   const std::string& aKind = aBaseFeature->getKind();
 297   FeaturePtr aReplacingFeature, aNewFeature;
 298   if (aKind == SketchPlugin_Circle::ID()) {
 299     aReplacingFeature = trimCircle(aStartShapePoint2d, aLastShapePoint2d,
 300                aFurtherCoincidences, aModifiedAttributes);
 301
 302     aFeaturesToDelete.insert(aBaseFeature);
 303     // as circle is removed, erase it from dependencies(arguments) of this feature
 304     // otherwise Trim feature will be removed with the circle before
 305     // this operation is finished
 306     aBaseObjectAttr->setObject(ResultPtr());
 307   }
 308   else if (aKind == SketchPlugin_Line::ID()) {
 309     aNewFeature = trimLine(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 310                            aFurtherCoincidences, aModifiedAttributes);
 311   }
 312   else if (aKind == SketchPlugin_Arc::ID()) {
 313     aNewFeature = trimArc(aStartShapePoint2d, aLastShapePoint2d, aBaseRefAttributes,
 314                           aFurtherCoincidences, aModifiedAttributes);
 315   }
 316
 317   // constraints to end points of trim feature
 318   if (myObjectToPoints.find(aBaseObject) == myObjectToPoints.end())
 319     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 320
 321   // create coincidence to objects, intersected the base object
 322   const PointToRefsMap& aRefsMap = myObjectToPoints.at(aBaseObject);
 323   for (std::set<AttributePoint2DPtr>::const_iterator anIt = aFurtherCoincidences.begin(),
 324                                                      aLast = aFurtherCoincidences.end();
 325        anIt != aLast; anIt++) {
 326     AttributePoint2DPtr aPointAttribute = (*anIt);
 327     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 328
 329 #ifdef DEBUG_TRIM
 330     std::cout << "<compare Points> => " << std::endl
 331             << "aPoint2d: [" << aPoint2d->x() << ", " << aPoint2d->y() << "]" << std::endl;
 332     if (aStartShapePoint2d.get())
 333       std::cout << "Start Point: [" << aStartShapePoint2d->x() << ", " << aStartShapePoint2d->y()
 334                 << "]" << std::endl;
 335     if (aLastShapePoint2d.get())
 336       std::cout << "Last Point: [" << aLastShapePoint2d->x() << ", " << aLastShapePoint2d->y()
 337                 << "]" << std::endl;
 338 #endif
 339
 340     std::shared_ptr<GeomAPI_Pnt> aPoint;
 341     if (aStartShapePoint2d.get() && aPoint2d->isEqual(aStartShapePoint2d))
 342       aPoint = aStartShapePoint;
 343     else if (aLastShapePoint2d.get() && aPoint2d->isEqual(aLastShapePoint2d))
 344       aPoint = aLastShapePoint;
 345
 346     if (!aPoint.get())
 347       continue;
 348
 349     std::pair<std::list<AttributePoint2DPtr >, std::list<ObjectPtr > > anInfo;
 350     for (PointToRefsMap::const_iterator aRefIt = aRefsMap.begin(); aRefIt != aRefsMap.end();
 351          aRefIt++)
 352     {
 353       if (aRefIt->first->isEqual(aPoint)) {
 354         anInfo = aRefIt->second;
 355         break;
 356       }
 357     }
 358     const std::list<ObjectPtr>& anObjects = anInfo.second;
 359     for (std::list<ObjectPtr>::const_iterator anObjectIt = anObjects.begin();
 360       anObjectIt != anObjects.end(); anObjectIt++) {
 361       SketchPlugin_Tools::createConstraintAttrObject(sketch(),
 362             SketchPlugin_ConstraintCoincidence::ID(),
 363             aPointAttribute, *anObjectIt);
 364     }
 365   }
 366
 367   // move constraints from base feature to replacing feature: ignore coincidences to feature
 368   // if attributes of coincidence participated in split
 369   ResultPtr aReplacingResult;
 370   if (aReplacingFeature.get()) {
 371     aReplacingFeature->execute(); // need it to obtain result
 372     aReplacingResult = getFeatureResult(aReplacingFeature);
 373   }
 374   for(std::list<AttributePtr>::const_iterator anIt = aRefsToFeature.begin(),
 375                                           aLast = aRefsToFeature.end();
 376       anIt != aLast; anIt++) {
 377     AttributePtr anAttribute = *anIt;
 378
 379     if (setCoincidenceToAttribute(anAttribute, aFurtherCoincidences, aFeaturesToDelete))
 380       continue;
 381
 382     // move tangency constraint to the nearest feature if possible
 383     if (aNewFeature.get() && moveTangency(anAttribute, aNewFeature))
 384       continue;
 385
 386     if (aReplacingResult.get()) {
 387       AttributeRefAttrPtr aRefAttr =
 388           std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttribute);
 389       if (aRefAttr.get())
 390         aRefAttr->setObject(aReplacingResult);
 391       else {
 392         AttributeReferencePtr aReferenceAttr =
 393                              std::dynamic_pointer_cast<ModelAPI_AttributeReference>(anAttribute);
 394         if (aReferenceAttr.get())
 395           aReferenceAttr->setObject(aReplacingResult);
 396       }
 397     }
 398   }
 399
 400   updateRefAttConstraints(aBaseRefAttributes, aModifiedAttributes, aFeaturesToDelete);
 401
 402   // Wait all constraints being created, then send update events
 403   static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
 404   bool isUpdateFlushed = Events_Loop::loop()->isFlushed(anUpdateEvent);
 405   if (isUpdateFlushed)
 406     Events_Loop::loop()->setFlushed(anUpdateEvent, false);
 407
 408   // delete constraints
 409 #ifdef DEBUG_TRIM
 410   if (aFeaturesToDelete.size() > 0) {
 411     std::cout << "after SPlit: removeFeaturesAndReferences: " << std::endl;
 412     std::string aValue;
 413     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 414          anIt != aFeaturesToDelete.end(); anIt++) {
 415       FeaturePtr aFeature = *anIt;
 416       std::cout << aFeature->data()->name() << std::endl;
 417     }
 418   }
 419 #endif
 420   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 421   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 422
 423   updateFeaturesAfterTrim(aFeaturesToUpdate);
 424
 425   // Send events to update the sub-features by the solver.
 426   if(isUpdateFlushed) {
 427     Events_Loop::loop()->setFlushed(anUpdateEvent, true);
 428   }
 429
 430   if (anIsEqualPreviewAndSelected) {
 431     // equal preview and selected objects
 432     // nothing to do if the preview and selected objects are different
 433     if (aReplacingResult.get()) { // base object was removed
 434       aPreviewObject = aReplacingResult;
 435       //aMessage->setSelectedObject(aReplacingResult);
 436 #ifdef DEBUG_TRIM_METHODS
 437       if (!aSelectedShape.get())
 438         std::cout << "Set empty selected object" << std::endl;
 439       else
 440         std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 441 #endif
 442     }
 443     else {
 444       aPreviewObject = ObjectPtr();
 445
 446       aBaseFeature->execute(); // should recompute shapes of result to do not check obsolete one
 447       aBaseObject = getFeatureResult(aBaseFeature);
 448       std::shared_ptr<GeomAPI_Pnt> aPreviewPnt = sketch()->to3D(aPreviewPnt2d->x(),
 449                                                                 aPreviewPnt2d->y());
 450       ResultPtr aBaseResult = std::dynamic_pointer_cast<ModelAPI_Result>(aBaseObject);
 451       if (aBaseResult) {
 452         GeomShapePtr aShape = aBaseResult->shape();
 453         std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 454         if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 455           aPreviewObject = aBaseResult;
 456       }
 457       if (!aPreviewObject.get() && aNewFeature.get()) {
 458         ResultPtr aNewFeatureResult = getFeatureResult(aNewFeature);
 459         if (aNewFeatureResult.get()) {
 460           GeomShapePtr aShape = aNewFeatureResult->shape();
 461           std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 462           if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, aPreviewPnt, aProjectedPoint))
 463             aPreviewObject = aNewFeatureResult;
 464         }
 465       }
 466     }
 467   }
 468   if (aPreviewObject.get()) {
 469     std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage = std::shared_ptr
 470       <ModelAPI_EventReentrantMessage>(new ModelAPI_EventReentrantMessage(
 471                                            ModelAPI_EventReentrantMessage::eventId(), this));
 472     aMessage->setSelectedObject(aPreviewObject);
 473     Events_Loop::loop()->send(aMessage);
 474   }
 475 #ifdef DEBUG_TRIM
 476   std::cout << "SketchPlugin_Trim::done" << std::endl;
 477 #endif
 478 }
 479
 480 // LCOV_EXCL_START
 481 std::string SketchPlugin_Trim::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 482 {
 483 #ifdef DEBUG_TRIM_METHODS
 484   std::cout << "SketchPlugin_Trim::processEvent:" << data()->name() << std::endl;
 485 #endif
 486   std::string aFilledAttributeName;
 487
 488   std::shared_ptr<ModelAPI_EventReentrantMessage> aMessage =
 489         std::dynamic_pointer_cast<ModelAPI_EventReentrantMessage>(theMessage);
 490   if (aMessage.get()) {
 491     ObjectPtr anObject = aMessage->selectedObject();
 492     std::shared_ptr<GeomAPI_Pnt2d> aPoint = aMessage->clickedPoint();
 493
 494     if (anObject.get() && aPoint.get()) {
 495       if (myCashedShapes.find(anObject) == myCashedShapes.end())
 496         fillObjectShapes(anObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 497       const std::set<GeomShapePtr>& aShapes = myCashedShapes[anObject];
 498       if (aShapes.size() > 1) {
 499         std::shared_ptr<ModelAPI_AttributeReference> aRefSelectedAttr =
 500                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 501                               data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 502         std::shared_ptr<ModelAPI_AttributeReference> aRefPreviewAttr =
 503                               std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 504                               data()->attribute(SketchPlugin_Trim::PREVIEW_OBJECT()));
 505         aRefSelectedAttr->setValue(anObject);
 506         aRefPreviewAttr->setValue(anObject);
 507
 508         std::shared_ptr<GeomDataAPI_Point2D> aPointSelectedAttr =
 509                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 510                               data()->attribute(SketchPlugin_Trim::SELECTED_POINT()));
 511         std::shared_ptr<GeomDataAPI_Point2D> aPointPreviewAttr =
 512                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 513                               data()->attribute(SketchPlugin_Trim::PREVIEW_POINT()));
 514         aPointSelectedAttr->setValue(aPoint);
 515         aPointPreviewAttr->setValue(aPoint);
 516
 517         Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 518
 519         GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 520   #ifdef DEBUG_TRIM_METHODS
 521         if (!aSelectedShape.get())
 522           std::cout << "Set empty selected object" << std::endl;
 523         else
 524           std::cout << "Set shape with ShapeType: " << aSelectedShape->shapeTypeStr() << std::endl;
 525   #endif
 526         aFilledAttributeName = SketchPlugin_Trim::SELECTED_OBJECT();
 527       }
 528     }
 529   }
 530   return aFilledAttributeName;
 531 }
 532 // LCOV_EXCL_STOP
 533
 534 bool SketchPlugin_Trim::setCoincidenceToAttribute(const AttributePtr& theAttribute,
 535                                 const std::set<AttributePoint2DPtr>& theFurtherCoincidences,
 536                                 std::set<std::shared_ptr<ModelAPI_Feature>>& theFeaturesToDelete)
 537 {
 538   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
 539   if (aFeature->getKind() != SketchPlugin_ConstraintCoincidence::ID())
 540     return false;
 541
 542   AttributePoint2DPtr aRefPointAttr = SketchPlugin_ConstraintCoincidence::getPoint(aFeature);
 543   if (!aRefPointAttr.get())
 544     return false;
 545   std::shared_ptr<GeomAPI_Pnt2d> aRefPnt2d = aRefPointAttr->pnt();
 546
 547   std::set<AttributePoint2DPtr>::const_iterator anIt = theFurtherCoincidences.begin(),
 548                                                 aLast = theFurtherCoincidences.end();
 549   bool aFoundPoint = false;
 550   for (; anIt != aLast && !aFoundPoint; anIt++) {
 551     AttributePoint2DPtr aPointAttribute = (*anIt);
 552     std::shared_ptr<GeomAPI_Pnt2d> aPoint2d = aPointAttribute->pnt();
 553     if (aPoint2d->isEqual(aRefPnt2d)) {
 554       // create new coincidence and then remove the old one
 555       SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
 556           SketchPlugin_ConstraintCoincidence::ID(),
 557           aRefPointAttr, aPointAttribute);
 558       theFeaturesToDelete.insert(aFeature);
 559     }
 560   }
 561   return aFoundPoint;
 562 }
 563
 564 bool SketchPlugin_Trim::moveTangency(const AttributePtr& theAttribute,
 565                                      const FeaturePtr& theFeature)
 566 {
 567   FeaturePtr aFeature = ModelAPI_Feature::feature(theAttribute->owner());
 568   if (aFeature->getKind() != SketchPlugin_ConstraintTangent::ID())
 569     return false;
 570
 571   AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 572                                                                            theAttribute);
 573   if (!aRefAttr.get())
 574     return false;
 575
 576   // get shape of tangent object to the current
 577   std::string aTangentAttr = SketchPlugin_Constraint::ENTITY_A();
 578   if (aRefAttr->id() == SketchPlugin_Constraint::ENTITY_A())
 579     aTangentAttr = SketchPlugin_Constraint::ENTITY_B();
 580   AttributeRefAttrPtr aTangentRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 581                                                      aFeature->attribute(aTangentAttr));
 582   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentRefAttr->object());
 583
 584   // get shape of the feature of the attribute
 585   FeaturePtr anAttributeFeature = ModelAPI_Feature::feature(aRefAttr->object());
 586   anAttributeFeature->execute(); // the modified value should be applyed to recompute shape
 587   PointToRefsMap aPointToAttributeOrObject;
 588   std::list<FeaturePtr> aFeatures;
 589   aFeatures.push_back(anAttributeFeature);
 590   ModelGeomAlgo_Point2D::getPointsIntersectedShape(aTangentFeature, aFeatures,
 591                                                    aPointToAttributeOrObject);
 592   if (!aPointToAttributeOrObject.empty())
 593     return true; // the attribute feature has a point of intersection, so we do not replace it
 594
 595   // get shape of the feature
 596   aPointToAttributeOrObject.clear();
 597   aFeatures.clear();
 598   aFeatures.push_back(theFeature);
 599   ModelGeomAlgo_Point2D::getPointsIntersectedShape(aTangentFeature, aFeatures,
 600                                                    aPointToAttributeOrObject);
 601   if (!aPointToAttributeOrObject.empty()) {
 602     std::set<ResultPtr> anEdgeShapes;
 603     ModelGeomAlgo_Shape::shapesOfType(theFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
 604     if (!anEdgeShapes.empty()) {
 605       ResultPtr aResult = *anEdgeShapes.begin();
 606       if (aResult.get()) {
 607         aRefAttr->setObject(aResult);
 608         return true; // the attribute feature has a point of intersection, so we do not replace it
 609       }
 610     }
 611   }
 612   return false;
 613 }
 614
 615 AISObjectPtr SketchPlugin_Trim::getAISObject(AISObjectPtr thePrevious)
 616 {
 617 #ifdef DEBUG_TRIM_METHODS
 618   std::cout << "SketchPlugin_Trim::getAISObject: " << data()->name() << std::endl;
 619 #endif
 620
 621   AISObjectPtr anAIS = thePrevious;
 622
 623   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 624   GeomShapePtr aPreviewShape = getSubShape(PREVIEW_OBJECT(), PREVIEW_POINT());
 625   if (aPreviewShape.get())
 626     aShapes.push_back(aPreviewShape);
 627   GeomShapePtr aSelectedShape = getSubShape(SELECTED_OBJECT(), SELECTED_POINT());
 628   if (aSelectedShape.get())
 629     aShapes.push_back(aSelectedShape);
 630
 631   if (aShapes.empty())
 632     return AISObjectPtr();
 633
 634   GeomShapePtr aBaseShape = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 635   if (!aBaseShape.get())
 636     return AISObjectPtr();
 637
 638   if (aBaseShape.get()) {
 639     if (!anAIS)
 640       anAIS = AISObjectPtr(new GeomAPI_AISObject);
 641     anAIS->createShape(aBaseShape);
 642
 643     std::vector<int> aColor;
 644     aColor = Config_PropManager::color("Visualization", "operation_remove_feature_color");
 645     double aWidth = SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH();
 646     int aLineStyle = SketchPlugin_SketchEntity::SKETCH_LINE_STYLE();
 647     anAIS->setColor(aColor[0], aColor[1], aColor[2]);
 648     // width when there is not base object should be extened in several points
 649     // in order to see this preview over highlight
 650     anAIS->setWidth(aWidth+4);
 651     anAIS->setLineStyle(aLineStyle);
 652   }
 653   else
 654     anAIS = AISObjectPtr();
 655
 656   return anAIS;
 657 }
 658
 659 GeomShapePtr SketchPlugin_Trim::getSubShape(const std::string& theObjectAttributeId,
 660                                             const std::string& thePointAttributeId)
 661 {
 662   GeomShapePtr aBaseShape;
 663
 664   AttributeReferencePtr anObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 665                                                        data()->attribute(theObjectAttributeId));
 666   ObjectPtr aBaseObject = anObjectAttr->value();
 667   if (!aBaseObject.get())
 668     return aBaseShape;
 669
 670   // point on feature
 671   AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 672                                            data()->attribute(thePointAttributeId));
 673   std::shared_ptr<GeomAPI_Pnt2d> anAttributePnt2d = aPointAttr->pnt();
 674   std::shared_ptr<GeomAPI_Pnt> anAttributePnt = sketch()->to3D(anAttributePnt2d->x(),
 675                                                                anAttributePnt2d->y());
 676
 677   if (myCashedShapes.find(aBaseObject) == myCashedShapes.end())
 678     fillObjectShapes(aBaseObject, sketch()->data()->owner(), myCashedShapes, myObjectToPoints);
 679
 680   const std::set<GeomShapePtr>& aShapes = myCashedShapes[aBaseObject];
 681   if (!aShapes.empty()) {
 682     std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
 683     for (; anIt != aLast; anIt++) {
 684       GeomShapePtr aShape = *anIt;
 685       std::shared_ptr<GeomAPI_Pnt> aProjectedPoint;
 686       if (ModelGeomAlgo_Point2D::isPointOnEdge(aShape, anAttributePnt, aProjectedPoint))
 687         aBaseShape = aShape;
 688     }
 689   }
 690   return aBaseShape;
 691 }
 692
 693 void SketchPlugin_Trim::getFeaturePoints(const FeaturePtr& theFeature,
 694                                          AttributePoint2DPtr& theStartPointAttr,
 695                                          AttributePoint2DPtr& theEndPointAttr)
 696 {
 697   std::string aFeatureKind = theFeature->getKind();
 698   std::string aStartAttributeName, anEndAttributeName;
 699   if (aFeatureKind == SketchPlugin_Line::ID()) {
 700     aStartAttributeName = SketchPlugin_Line::START_ID();
 701     anEndAttributeName = SketchPlugin_Line::END_ID();
 702   }
 703   else if (aFeatureKind == SketchPlugin_Arc::ID()) {
 704     aStartAttributeName = SketchPlugin_Arc::START_ID();
 705     anEndAttributeName = SketchPlugin_Arc::END_ID();
 706   }
 707   if (!aStartAttributeName.empty() && !anEndAttributeName.empty()) {
 708     theStartPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 709                                          theFeature->attribute(aStartAttributeName));
 710     theEndPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 711                                          theFeature->attribute(anEndAttributeName));
 712   }
 713 }
 714
 715 void SketchPlugin_Trim::getConstraints(std::set<FeaturePtr>& theFeaturesToDelete,
 716                                        std::set<FeaturePtr>& theFeaturesToUpdate)
 717 {
 718   std::shared_ptr<ModelAPI_Data> aData = data();
 719
 720   // Check the base objects are initialized.
 721   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 722                                          aData->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 723   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 724   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
 725
 726   std::set<AttributePtr> aRefsList = aBaseFeatureResult->data()->refsToMe();
 727   std::set<AttributePtr> aFRefsList = aBaseFeature->data()->refsToMe();
 728   aRefsList.insert(aFRefsList.begin(), aFRefsList.end());
 729
 730   std::set<AttributePtr>::const_iterator aIt;
 731   for (aIt = aRefsList.cbegin(); aIt != aRefsList.cend(); ++aIt) {
 732     std::shared_ptr<ModelAPI_Attribute> anAttr = (*aIt);
 733     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->owner());
 734     std::string aRefFeatureKind = aRefFeature->getKind();
 735     std::string anAttributeId = anAttr->id();
 736     if ((aRefFeatureKind == SketchPlugin_ConstraintMirror::ID() &&
 737          anAttributeId == SketchPlugin_ConstraintMirror::MIRROR_LIST_ID()) ||
 738         (aRefFeatureKind == SketchPlugin_MultiRotation::ID() &&
 739          anAttributeId == SketchPlugin_MultiRotation::ROTATION_LIST_ID()) ||
 740         (aRefFeatureKind == SketchPlugin_MultiTranslation::ID() &&
 741          anAttributeId == SketchPlugin_MultiTranslation::TRANSLATION_LIST_ID()) ||
 742         aRefFeatureKind == SketchPlugin_ConstraintMiddle::ID())
 743       theFeaturesToDelete.insert(aRefFeature);
 744     else if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID())
 745       theFeaturesToUpdate.insert(aRefFeature);
 746   }
 747 }
 748
 749 void SketchPlugin_Trim::getRefAttributes(const FeaturePtr& theFeature,
 750                                     std::map<AttributePtr, std::list<AttributePtr> >& theRefs,
 751                                     std::list<AttributePtr>& theRefsToFeature)
 752 {
 753   theRefs.clear();
 754
 755   std::list<AttributePtr> aPointAttributes =
 756     theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 757   std::set<AttributePtr> aPointAttributesSet;
 758
 759   std::list<AttributePtr>::const_iterator aPIt =
 760     aPointAttributes.begin(), aPLast = aPointAttributes.end();
 761   for (; aPIt != aPLast; aPIt++)
 762     aPointAttributesSet.insert(*aPIt);
 763
 764   std::set<AttributePtr> aRefsAttributes = getFeatureResult(theFeature)->data()->refsToMe();
 765   std::set<AttributePtr> aFRefsList = theFeature->data()->refsToMe();
 766   aRefsAttributes.insert(aFRefsList.begin(), aFRefsList.end());
 767
 768   std::set<AttributePtr>::const_iterator aIt;
 769   for (aIt = aRefsAttributes.cbegin(); aIt != aRefsAttributes.cend(); ++aIt) {
 770     AttributePtr anAttr = (*aIt);
 771     FeaturePtr anAttrFeature = ModelAPI_Feature::feature(anAttr->owner());
 772     if (anAttrFeature.get() != this &&
 773         anAttr.get() && anAttr->attributeType() == ModelAPI_AttributeRefAttr::typeId()) {
 774       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(anAttr);
 775       if (!aRefAttr->isObject()) { /// find attributes referenced to feature point attributes
 776         AttributePtr anAttrInRef = aRefAttr->attr();
 777         if (anAttrInRef.get() &&
 778             aPointAttributesSet.find(anAttrInRef) != aPointAttributesSet.end()) {
 779           if (theRefs.find(anAttrInRef) != theRefs.end())
 780             theRefs[anAttrInRef].push_back(aRefAttr);
 781           else {
 782             std::list<AttributePtr> anAttrList;
 783             anAttrList.push_back(aRefAttr);
 784             theRefs[anAttrInRef] = anAttrList;
 785           }
 786         }
 787       }
 788       else { /// find attributes referenced to feature itself
 789         theRefsToFeature.push_back(anAttr);
 790       }
 791     }
 792   }
 793 }
 794
 795 void SketchPlugin_Trim::updateRefAttConstraints(
 796                     const std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 797                     const std::set<std::pair<AttributePtr, AttributePtr> >& theModifiedAttributes,
 798                     std::set<FeaturePtr>& theFeaturesToDelete)
 799 {
 800 #ifdef DEBUG_TRIM
 801   std::cout << "SketchPlugin_Trim::updateRefAttConstraints" << std::endl;
 802 #endif
 803
 804   std::set<std::pair<AttributePtr, AttributePtr> >::const_iterator
 805     anIt = theModifiedAttributes.begin(),  aLast = theModifiedAttributes.end();
 806   for (; anIt != aLast; anIt++) {
 807     AttributePtr anAttribute = anIt->first;
 808
 809     /// not found in references
 810     if (theBaseRefAttributes.find(anAttribute) == theBaseRefAttributes.end())
 811       continue;
 812     std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(anAttribute);
 813     std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 814                                             aRLast = aRefAttributes.end();
 815
 816     AttributePtr aNewAttribute = anIt->second;
 817     if (aNewAttribute.get()) {
 818       for (; aRefIt != aRLast; aRefIt++) {
 819         AttributeRefAttrPtr aRefAttr =
 820                         std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 821         if (aRefAttr.get()) {
 822             aRefAttr->setAttr(aNewAttribute);
 823         }
 824       }
 825     }
 826   }
 827 }
 828
 829 void SketchPlugin_Trim::removeReferencesToAttribute(const AttributePtr& theAttribute,
 830                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes)
 831 {
 832   /// not found in references
 833   if (theBaseRefAttributes.find(theAttribute) == theBaseRefAttributes.end())
 834     return;
 835
 836   std::list<AttributePtr> aRefAttributes = theBaseRefAttributes.at(theAttribute);
 837   std::list<AttributePtr>::const_iterator aRefIt = aRefAttributes.begin(),
 838                                           aRLast = aRefAttributes.end();
 839
 840   std::set<FeaturePtr> aFeaturesToDelete;
 841   for (; aRefIt != aRLast; aRefIt++) {
 842     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*aRefIt);
 843     if (aRefAttr.get()) {
 844       aFeaturesToDelete.insert(ModelAPI_Feature::feature(aRefAttr->owner()));
 845     }
 846   }
 847
 848 #ifdef DEBUG_TRIM
 849   // delete constraints
 850   if (aFeaturesToDelete.size() > 0) {
 851     std::cout << "removeReferencesToAttribute: " << std::endl;
 852     std::string aValue;
 853     for (std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin();
 854          anIt != aFeaturesToDelete.end(); anIt++) {
 855       FeaturePtr aFeature = *anIt;
 856       std::cout << aFeature->data()->name() << std::endl;
 857     }
 858   }
 859 #endif
 860   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
 861   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
 862 }
 863
 864 void SketchPlugin_Trim::updateFeaturesAfterTrim(const std::set<FeaturePtr>& theFeaturesToUpdate)
 865 {
 866   std::set<FeaturePtr>::const_iterator anIt = theFeaturesToUpdate.begin(),
 867                                        aLast = theFeaturesToUpdate.end();
 868   for (; anIt != aLast; anIt++) {
 869     FeaturePtr aRefFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 870     std::string aRefFeatureKind = aRefFeature->getKind();
 871     if (aRefFeatureKind == SketchPlugin_ConstraintLength::ID()) {
 872       std::shared_ptr<SketchPlugin_ConstraintLength> aLenghtFeature =
 873                               std::dynamic_pointer_cast<SketchPlugin_ConstraintLength>(*anIt);
 874       if (aLenghtFeature.get()) {
 875         std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
 876             ModelAPI_AttributeDouble>(aLenghtFeature->attribute(SketchPlugin_Constraint::VALUE()));
 877         double aValue;
 878         if (aLenghtFeature->computeLenghtValue(aValue) && aValueAttr.get())
 879           aValueAttr->setValue(aValue);
 880       }
 881     }
 882   }
 883 }
 884
 885 FeaturePtr SketchPlugin_Trim::trimLine(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 886                   const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 887                   std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 888                   std::set<AttributePoint2DPtr>& thePoints,
 889                   std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 890 {
 891   FeaturePtr anNewFeature;
 892
 893   // Check the base objects are initialized.
 894   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 895                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 896   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 897   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 898
 899   /// points of trim
 900   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 901   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 902
 903   std::shared_ptr<GeomAPI_Pnt2d> aStartFeaturePoint = aStartPointAttrOfBase->pnt();
 904   std::shared_ptr<GeomAPI_Pnt2d> aLastFeaturePoint = anEndPointAttrOfBase->pnt();
 905
 906   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 907   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 908   arrangePointsOnLine(aStartPointAttrOfBase, anEndPointAttrOfBase,
 909                       aStartShapePoint, aLastShapePoint);
 910 #ifdef DEBUG_TRIM
 911   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
 912   if (aStartShapePoint.get())
 913     std::cout << "Start point: [" << aStartShapePoint->x() << ", " <<
 914                                        aStartShapePoint->y() << "]" << std::endl;
 915   std::cout << "1st point:   [" << aStartFeaturePoint->x() << ", " <<
 916                                    aStartFeaturePoint->y() << "]" << std::endl;
 917   if (aLastShapePoint.get())
 918     std::cout << "2st point:   [" << aLastShapePoint->x() << ", " <<
 919                                      aLastShapePoint->y() << "]" << std::endl;
 920   std::cout << "End point:   [" << aLastFeaturePoint->x() << ", " <<
 921                                    aLastFeaturePoint->y() << "]" << std::endl;
 922 #endif
 923
 924   bool isStartPoint = !aStartShapePoint.get() || aStartFeaturePoint->isEqual(aStartShapePoint);
 925   bool isLastPoint = !aLastShapePoint.get() || aLastFeaturePoint->isEqual(aLastShapePoint);
 926   if (isStartPoint || isLastPoint) {
 927     // result is one line: changed existing line
 928     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Line::START_ID()
 929                                                   : SketchPlugin_Line::END_ID();
 930     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
 931     if (aStartShapePoint.get() && aLastShapePoint.get())
 932       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
 933     else
 934       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
 935
 936     // it is important to delete references before the feature modification because
 937     // if deletion will be after the feature modification, solver returns the feature back
 938     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
 939                                 theBaseRefAttributes);
 940
 941     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
 942     //theModifiedAttributes.insert(
 943     //  std::make_pair(aBaseFeature->attribute(aModifiedAttribute), AttributePtr()));
 944
 945     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 946                                (aBaseFeature->attribute(aModifiedAttribute)));
 947   }
 948   else {
 949     // result is two lines: start line point - start shape point,
 950     // last shape point - last line point
 951     // create second line
 952     anNewFeature = createLineFeature(aBaseFeature, aLastShapePoint, aLastFeaturePoint);
 953     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 954                                (anNewFeature->attribute(SketchPlugin_Line::START_ID())));
 955
 956     std::string aModifiedAttribute = SketchPlugin_Line::END_ID();
 957     theModifiedAttributes.insert(
 958       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
 959                                    anNewFeature->attribute(SketchPlugin_Line::END_ID())));
 960
 961     // modify base arc
 962     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
 963
 964     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 965                                (aBaseFeature->attribute(aModifiedAttribute)));
 966
 967     // Collinear constraint for lines
 968     SketchPlugin_Tools::createConstraintObjectObject(sketch(),
 969                                          SketchPlugin_ConstraintCollinear::ID(),
 970                                          getFeatureResult(aBaseFeature),
 971                                          getFeatureResult(anNewFeature));
 972   }
 973   return anNewFeature;
 974 }
 975
 976 FeaturePtr SketchPlugin_Trim::trimArc(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
 977                  const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
 978                  std::map<AttributePtr, std::list<AttributePtr> >& theBaseRefAttributes,
 979                  std::set<AttributePoint2DPtr>& thePoints,
 980                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
 981 {
 982   FeaturePtr anNewFeature;
 983   // Check the base objects are initialized.
 984   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
 985                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
 986   ObjectPtr aBaseObject = aBaseObjectAttr->value();
 987   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
 988
 989   /// points of trim
 990   AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
 991   getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
 992
 993   std::shared_ptr<GeomAPI_Pnt2d> aStartArcPoint = aStartPointAttrOfBase->pnt();
 994   std::shared_ptr<GeomAPI_Pnt2d> aLastArcPoint = anEndPointAttrOfBase->pnt();
 995
 996   std::shared_ptr<GeomAPI_Pnt2d> aStartShapePoint = theStartShapePoint;
 997   std::shared_ptr<GeomAPI_Pnt2d> aLastShapePoint = theLastShapePoint;
 998   arrangePointsOnArc(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase,
 999                      aStartShapePoint, aLastShapePoint);
1000 #ifdef DEBUG_TRIM
1001   std::cout << "Arranged points (to build split between 1st and 2nd points:" << std::endl;
1002   if (aStartShapePoint.get())
1003     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1004                                        aStartShapePoint->y() << "]" << std::endl;
1005   std::cout << "Start arc attribute point:   [" << aStartArcPoint->x() << ", " <<
1006                                    aStartArcPoint->y() << "]" << std::endl;
1007   if (aLastShapePoint.get())
1008     std::cout << "Last shape point:   [" << aLastShapePoint->x() << ", " <<
1009                                      aLastShapePoint->y() << "]" << std::endl;
1010   std::cout << "Last arc attribute point:   [" << aLastArcPoint->x() << ", " <<
1011                                    aLastArcPoint->y() << "]" << std::endl;
1012 #endif
1013
1014   bool isStartPoint = !aStartShapePoint.get() || aStartArcPoint->isEqual(aStartShapePoint);
1015   bool isLastPoint = !aLastShapePoint.get() || aLastArcPoint->isEqual(aLastShapePoint);
1016   if (isStartPoint || isLastPoint) {
1017     // result is one arc: changed existing arc
1018     std::string aModifiedAttribute = isStartPoint ? SketchPlugin_Arc::START_ID()
1019                                                   : SketchPlugin_Arc::END_ID();
1020     std::shared_ptr<GeomAPI_Pnt2d> aPoint;
1021     if (aStartShapePoint.get() && aLastShapePoint.get())
1022       aPoint = isStartPoint ? aLastShapePoint : aStartShapePoint;
1023     else
1024       aPoint = aStartShapePoint.get() ? aStartShapePoint : aLastShapePoint;
1025
1026     removeReferencesToAttribute(aBaseFeature->attribute(aModifiedAttribute),
1027                                 theBaseRefAttributes);
1028
1029     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aPoint);
1030
1031     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1032                                (aBaseFeature->attribute(aModifiedAttribute)));
1033   }
1034   else {
1035     // result is two arcs: start arc point - start shape point, last shape point - last arc point
1036     // create second arc
1037     anNewFeature = createArcFeature(aBaseFeature, aLastShapePoint, aLastArcPoint);
1038     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1039                                (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1040
1041     std::string aModifiedAttribute = SketchPlugin_Arc::END_ID();
1042     theModifiedAttributes.insert(
1043       std::make_pair(aBaseFeature->attribute(aModifiedAttribute),
1044                                    anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1045
1046     // modify base arc
1047     fillPointAttribute(aBaseFeature->attribute(aModifiedAttribute), aStartShapePoint);
1048
1049     thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1050                                (aBaseFeature->attribute(aModifiedAttribute)));
1051
1052     // equal Radius constraint for arcs
1053     SketchPlugin_Tools::createConstraintObjectObject(sketch(),
1054                                          SketchPlugin_ConstraintEqual::ID(),
1055                                          getFeatureResult(aBaseFeature),
1056                                          getFeatureResult(anNewFeature));
1057     // coincident centers constraint
1058     SketchPlugin_Tools::createConstraintAttrAttr(sketch(),
1059                                          SketchPlugin_ConstraintCoincidence::ID(),
1060                                          aBaseFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1061                                          anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID()));
1062
1063 #ifdef DEBUG_TRIM
1064     std::cout << "Created arc on points:" << std::endl;
1065     std::cout << "Start shape point: [" << aStartShapePoint->x() << ", " <<
1066                                            aStartShapePoint->y() << "]" << std::endl;
1067 #endif
1068   }
1069   return anNewFeature;
1070 }
1071
1072 FeaturePtr SketchPlugin_Trim::trimCircle(const std::shared_ptr<GeomAPI_Pnt2d>& theStartShapePoint,
1073                                    const std::shared_ptr<GeomAPI_Pnt2d>& theLastShapePoint,
1074                                    std::set<AttributePoint2DPtr>& thePoints,
1075                  std::set<std::pair<AttributePtr, AttributePtr>>& theModifiedAttributes)
1076 {
1077   // Check the base objects are initialized.
1078   AttributeReferencePtr aBaseObjectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(
1079                                         data()->attribute(SketchPlugin_Trim::SELECTED_OBJECT()));
1080   ObjectPtr aBaseObject = aBaseObjectAttr->value();
1081   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
1082
1083   /// points of trim
1084   //AttributePoint2DPtr aStartPointAttrOfBase, anEndPointAttrOfBase;
1085   //getFeaturePoints(aBaseFeature, aStartPointAttrOfBase, anEndPointAttrOfBase);
1086
1087   /// trim feature
1088   FeaturePtr anNewFeature = createArcFeature(aBaseFeature, theStartShapePoint, theLastShapePoint);
1089   // arc created by trim of circle is always correct, that means that it is not inversed
1090   anNewFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(false);
1091
1092   theModifiedAttributes.insert(
1093     std::make_pair(aBaseFeature->attribute(SketchPlugin_Circle::CENTER_ID()),
1094                    anNewFeature->attribute(SketchPlugin_Arc::CENTER_ID())));
1095
1096   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1097                              (anNewFeature->attribute(SketchPlugin_Arc::START_ID())));
1098   thePoints.insert(std::dynamic_pointer_cast<GeomDataAPI_Point2D>
1099                              (anNewFeature->attribute(SketchPlugin_Arc::END_ID())));
1100
1101   return anNewFeature;
1102 }
1103
1104 void SketchPlugin_Trim::arrangePointsOnLine(const AttributePoint2DPtr& theStartPointAttr,
1105                                             const AttributePoint2DPtr& theEndPointAttr,
1106                                             std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1107                                             std::shared_ptr<GeomAPI_Pnt2d>& theLastPoint) const
1108 {
1109   if (!theFirstPoint.get() || !theLastPoint.get())
1110     return;
1111
1112   // if first point is closer to last point, swap first and last values
1113   if (theStartPointAttr->pnt()->distance(theFirstPoint) >
1114       theStartPointAttr->pnt()->distance(theLastPoint)) {
1115     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1116     theFirstPoint = theLastPoint;
1117     theLastPoint = aTmpPoint;
1118   }
1119 }
1120
1121 void SketchPlugin_Trim::arrangePointsOnArc(const FeaturePtr& theArc,
1122                                   const AttributePoint2DPtr& theStartPointAttr,
1123                                   const AttributePoint2DPtr& theEndPointAttr,
1124                                   std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1125                                   std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint) const
1126 {
1127   if (!theFirstPoint.get() || !theSecondPoint.get())
1128     return;
1129
1130   static const double anAngleTol = 1.e-12;
1131
1132   std::shared_ptr<GeomAPI_Pnt2d> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1133       theArc->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
1134   bool isReversed = theArc->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1135
1136   // collect directions to each point
1137   std::shared_ptr<GeomAPI_Dir2d> aStartDir(
1138       new GeomAPI_Dir2d(theStartPointAttr->pnt()->xy()->decreased(aCenter->xy())));
1139   std::shared_ptr<GeomAPI_Dir2d> aFirstPtDir(
1140       new GeomAPI_Dir2d(theFirstPoint->xy()->decreased(aCenter->xy())));
1141   std::shared_ptr<GeomAPI_Dir2d> aSecondPtDir(
1142       new GeomAPI_Dir2d(theSecondPoint->xy()->decreased(aCenter->xy())));
1143
1144   // sort points by their angular values
1145   double aFirstPtAngle = aStartDir->angle(aFirstPtDir);
1146   double aSecondPtAngle = aStartDir->angle(aSecondPtDir);
1147   double aPeriod = isReversed ? -2.0 * PI : 2.0 * PI;
1148   if (fabs(aFirstPtAngle) > anAngleTol && isReversed == (aFirstPtAngle > 0.))
1149     aFirstPtAngle += aPeriod;
1150   if (fabs(aSecondPtAngle) > anAngleTol && isReversed == (aSecondPtAngle > 0.))
1151     aSecondPtAngle += aPeriod;
1152
1153   if (fabs(aFirstPtAngle) > fabs(aSecondPtAngle)) {
1154     std::shared_ptr<GeomAPI_Pnt2d> aTmpPoint = theFirstPoint;
1155     theFirstPoint = theSecondPoint;
1156     theSecondPoint = aTmpPoint;
1157   }
1158 }
1159
1160 void SketchPlugin_Trim::fillPointAttribute(const AttributePtr& theModifiedAttribute,
1161                                            const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
1162 {
1163   std::string anAttributeType = theModifiedAttribute->attributeType();
1164   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1165     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1166                                               theModifiedAttribute);
1167     aModifiedAttribute->setValue(thePoint);
1168
1169 #ifdef DEBUG_TRIM
1170     FeaturePtr aFeature = ModelAPI_Feature::feature(theModifiedAttribute->owner());
1171     std::cout << "<fillPointAttribute[" << aFeature->data()->name() << ": " <<
1172       theModifiedAttribute->id() <<
1173       "]> => Pnt2d - [" << thePoint->x() << ", " << thePoint->y() << "]" << std::endl;
1174 #endif
1175   }
1176 }
1177
1178
1179 void SketchPlugin_Trim::fillAttribute(const AttributePtr& theModifiedAttribute,
1180                                       const AttributePtr& theSourceAttribute)
1181 {
1182   std::string anAttributeType = theModifiedAttribute->attributeType();
1183   if (anAttributeType == GeomDataAPI_Point2D::typeId()) {
1184     AttributePoint2DPtr aModifiedAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1185                                               theModifiedAttribute);
1186     AttributePoint2DPtr aSourceAttribute = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
1187                                               theSourceAttribute);
1188
1189     if (aModifiedAttribute.get() && aSourceAttribute.get())
1190       aModifiedAttribute->setValue(aSourceAttribute->pnt());
1191   }
1192   else if (anAttributeType == ModelAPI_AttributeBoolean::typeId()) {
1193     AttributeBooleanPtr aModifiedAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1194                                               theModifiedAttribute);
1195     AttributeBooleanPtr aSourceAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
1196                                               theSourceAttribute);
1197
1198     if (aModifiedAttribute.get() && aSourceAttribute.get())
1199       aModifiedAttribute->setValue(aSourceAttribute->value());
1200   }
1201 }
1202
1203 FeaturePtr SketchPlugin_Trim::createLineFeature(const FeaturePtr& theBaseFeature,
1204                                         const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1205                                         const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1206 {
1207 #ifdef DEBUG_TRIM
1208   std::cout << "---- createLineFeature ---" << std::endl;
1209 #endif
1210
1211   FeaturePtr aFeature;
1212   SketchPlugin_Sketch* aSketch = sketch();
1213   if (!aSketch || !theBaseFeature.get())
1214     return aFeature;
1215
1216   aFeature = aSketch->addFeature(SketchPlugin_Line::ID());
1217
1218   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::START_ID()), theFirstPoint);
1219   fillPointAttribute(aFeature->attribute(SketchPlugin_Line::END_ID()), theSecondPoint);
1220
1221   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1222                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1223
1224   aFeature->execute(); // to obtain result
1225
1226 #ifdef DEBUG_TRIM
1227   std::cout << "---- createLineFeature:end ---" << std::endl;
1228 #endif
1229
1230   return aFeature;
1231 }
1232
1233 FeaturePtr SketchPlugin_Trim::createArcFeature(const FeaturePtr& theBaseFeature,
1234                                                const std::shared_ptr<GeomAPI_Pnt2d>& theFirstPoint,
1235                                                const std::shared_ptr<GeomAPI_Pnt2d>& theSecondPoint)
1236 {
1237   FeaturePtr aFeature;
1238   SketchPlugin_Sketch* aSketch = sketch();
1239   if (!aSketch || !theBaseFeature.get())
1240     return aFeature;
1241
1242   std::string aCenterAttributeId;
1243   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID())
1244     aCenterAttributeId = SketchPlugin_Arc::CENTER_ID();
1245   else if (theBaseFeature->getKind() == SketchPlugin_Circle::ID())
1246     aCenterAttributeId = SketchPlugin_Circle::CENTER_ID();
1247
1248   if (aCenterAttributeId.empty())
1249     return aFeature;
1250
1251 #ifdef DEBUG_TRIM
1252   std::cout << "---- createArcFeature ---" << std::endl;
1253 #endif
1254
1255   aFeature = aSketch->addFeature(SketchPlugin_Arc::ID());
1256   // update fillet arc: make the arc correct for sure, so, it is not needed to process
1257   // the "attribute updated"
1258   // by arc; moreover, it may cause cyclicity in hte mechanism of updater
1259   bool aWasBlocked = aFeature->data()->blockSendAttributeUpdated(true);
1260
1261   fillAttribute(aFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
1262                 theBaseFeature->attribute(aCenterAttributeId));
1263   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::START_ID()), theFirstPoint);
1264   fillPointAttribute(aFeature->attribute(SketchPlugin_Arc::END_ID()), theSecondPoint);
1265
1266   fillAttribute(aFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()),
1267                 theBaseFeature->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID()));
1268
1269   /// fill referersed state of created arc as it is on the base arc
1270   if (theBaseFeature->getKind() == SketchPlugin_Arc::ID()) {
1271     bool aReversed = theBaseFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->value();
1272     aFeature->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(aReversed);
1273   }
1274   aFeature->execute(); // to obtain result (need to calculate arc parameters before sending Update)
1275   aFeature->data()->blockSendAttributeUpdated(aWasBlocked);
1276
1277   #ifdef DEBUG_TRIM
1278   std::cout << "---- createArcFeature:end ---" << std::endl;
1279   #endif
1280
1281   return aFeature;
1282 }
1283
1284 std::shared_ptr<ModelAPI_Result> SketchPlugin_Trim::getFeatureResult(
1285                                     const std::shared_ptr<ModelAPI_Feature>& theFeature)
1286 {
1287   std::shared_ptr<ModelAPI_Result> aResult;
1288
1289   std::string aFeatureKind = theFeature->getKind();
1290   if (aFeatureKind == SketchPlugin_Line::ID())
1291     aResult = theFeature->firstResult();
1292   else if (aFeatureKind == SketchPlugin_Arc::ID())
1293     aResult = theFeature->lastResult();
1294   else if (aFeatureKind == SketchPlugin_Circle::ID())
1295     aResult = theFeature->lastResult();
1296
1297   return aResult;
1298 }
1299
1300 //********************************************************************
1301 void SketchPlugin_Trim::fillObjectShapes(const ObjectPtr& theObject,
1302                 const ObjectPtr& theSketch,
1303                 std::map<ObjectPtr, std::set<GeomShapePtr> >& theCashedShapes,
1304                 std::map<ObjectPtr, PointToRefsMap>& theObjectToPoints)
1305 {
1306   PointToRefsMap aPointsInfo;
1307
1308   std::set<std::shared_ptr<GeomAPI_Shape> > aShapes;
1309   std::map<std::shared_ptr<GeomAPI_Pnt>,
1310                            std::list< AttributePoint2DPtr > > aPointToAttributes;
1311   std::map<std::shared_ptr<GeomAPI_Pnt>,
1312                            std::list< ObjectPtr > > aPointToObjects;
1313
1314   std::set<AttributePoint2DPtr > aRefAttributes;
1315   // current feature
1316   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
1317   std::set<ResultPtr> anEdgeShapes;
1318   // edges on feature
1319   ModelGeomAlgo_Shape::shapesOfType(aFeature, GeomAPI_Shape::EDGE, anEdgeShapes);
1320   if (!anEdgeShapes.empty()) {
1321     GeomShapePtr aFeatureShape = (*anEdgeShapes.begin())->shape();
1322
1323     // coincidences to the feature
1324     ModelGeomAlgo_Point2D::getPointsOfReference(aFeature, SketchPlugin_ConstraintCoincidence::ID(),
1325                          aRefAttributes, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
1326     // layed on feature coincidences to divide it on several shapes
1327     std::shared_ptr<ModelAPI_Data> aData = theSketch->data();
1328     std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
1329         aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
1330     std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1331         aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
1332     std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
1333         aData->attribute(SketchPlugin_Sketch::NORM_ID()));
1334     std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
1335
1336     ModelGeomAlgo_Point2D::getPointsInsideShape(aFeatureShape, aRefAttributes, aC->pnt(),
1337                                                 aX->dir(), aY, aPointsInfo);
1338
1339     std::list<FeaturePtr> aFeatures;
1340     CompositeFeaturePtr aSketchComposite =
1341                          std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theSketch);
1342     for (int i = 0; i < aSketchComposite->numberOfSubs(); i++) {
1343       FeaturePtr aFeature = aSketchComposite->subFeature(i);
1344       if (aFeature.get() && aFeature->getKind() != SketchPlugin_Projection::ID())
1345         aFeatures.push_back(aFeature);
1346     }
1347     ModelGeomAlgo_Point2D::getPointsIntersectedShape(aFeature, aFeatures, aPointsInfo);
1348
1349     GeomAlgoAPI_ShapeTools::splitShape(aFeatureShape, aPointsInfo, aShapes);
1350   }
1351   theObjectToPoints[theObject] = aPointsInfo;
1352   theCashedShapes[theObject] = aShapes;
1353 }