src/SketchPlugin/SketchPlugin_MacroArc.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "SketchPlugin_MacroArc.h"
  22
  23 #include "SketchPlugin_Arc.h"
  24 #include "SketchPlugin_ConstraintTangent.h"
  25 #include "SketchPlugin_Sketch.h"
  26 #include "SketchPlugin_Tools.h"
  27 #include "SketchPlugin_MacroArcReentrantMessage.h"
  28
  29 #include <ModelAPI_AttributeDouble.h>
  30 #include <ModelAPI_AttributeRefAttr.h>
  31 #include <ModelAPI_AttributeString.h>
  32 #include <ModelAPI_Events.h>
  33 #include <ModelAPI_Session.h>
  34 #include <ModelAPI_Validator.h>
  35
  36 #include <GeomAPI_Circ.h>
  37 #include <GeomAPI_Circ2d.h>
  38 #include <GeomAPI_Curve.h>
  39 #include <GeomAPI_Dir2d.h>
  40 #include <GeomAPI_Edge.h>
  41 #include <GeomAPI_Lin.h>
  42 #include <GeomAPI_Lin2d.h>
  43 #include <GeomAPI_Pnt2d.h>
  44 #include <GeomAPI_Vertex.h>
  45 #include <GeomAPI_XY.h>
  46 #include <GeomAPI_ShapeIterator.h>
  47
  48 #include <GeomDataAPI_Point2D.h>
  49 #include <GeomDataAPI_Dir.h>
  50
  51 #include <GeomAlgoAPI_Circ2dBuilder.h>
  52 #include <GeomAlgoAPI_EdgeBuilder.h>
  53 #include <GeomAlgoAPI_CompoundBuilder.h>
  54 #include <GeomAlgoAPI_PointBuilder.h>
  55
  56 // for sqrt on Linux
  57 #include <math.h>
  58
  59 const double tolerance = 1e-7;
  60 const double paramTolerance = 1.e-4;
  61 const double PI = 3.141592653589793238463;
  62
  63 static void projectPointOnCircle(AttributePoint2DPtr& thePoint, const GeomAPI_Circ2d& theCircle)
  64 {
  65   std::shared_ptr<GeomAPI_Pnt2d> aProjection = theCircle.project(thePoint->pnt());
  66   if(aProjection.get())
  67     thePoint->setValue(aProjection);
  68 }
  69
  70 static void intersectShapeAndCircle(const GeomShapePtr& theShape,
  71                                     const GeomAPI_Circ2d& theCircle,
  72                                     const SketchPlugin_Sketch* theSketch,
  73                                     AttributePoint2DPtr& theIntersection)
  74 {
  75   if (!theShape->isEdge())
  76     return projectPointOnCircle(theIntersection, theCircle);
  77
  78   // convert shape to unbounded
  79   std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(theShape));
  80   if (anEdge->isLine()) {
  81     static const double HALF_SIZE = 1.e6;
  82     std::shared_ptr<GeomAPI_XYZ> aLoc = anEdge->line()->location()->xyz();
  83     std::shared_ptr<GeomAPI_XYZ> aDir = anEdge->line()->direction()->xyz();
  84
  85     std::shared_ptr<GeomAPI_Pnt> aStart(
  86         new GeomAPI_Pnt(aLoc->added(aDir->multiplied(-HALF_SIZE))));
  87     std::shared_ptr<GeomAPI_Pnt> aEnd(
  88         new GeomAPI_Pnt(aLoc->added(aDir->multiplied(HALF_SIZE))));
  89     anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, aEnd);
  90   } else if (anEdge->isArc()) {
  91     std::shared_ptr<GeomAPI_Circ> aCircle = anEdge->circle();
  92     anEdge = GeomAlgoAPI_EdgeBuilder::lineCircle(
  93         aCircle->center(), aCircle->normal(), aCircle->radius());
  94   }
  95
  96   // convert 2D circle to 3D object
  97   std::shared_ptr<GeomAPI_Pnt2d> aCenter2d = theCircle.center();
  98   std::shared_ptr<GeomAPI_Pnt> aCenter(theSketch->to3D(aCenter2d->x(), aCenter2d->y()));
  99   std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 100       const_cast<SketchPlugin_Sketch*>(theSketch)->attribute(SketchPlugin_Sketch::NORM_ID()));
 101   std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
 102
 103   GeomShapePtr aCircleShape =
 104       GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, theCircle.radius());
 105
 106   GeomShapePtr anInter = anEdge->intersect(aCircleShape);
 107   std::shared_ptr<GeomAPI_Pnt2d> anInterPnt;
 108   if (!anInter)
 109     return projectPointOnCircle(theIntersection, theCircle);
 110   if (anInter->isVertex()) {
 111     std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(anInter));
 112     anInterPnt = theSketch->to2D(aVertex->point());
 113   } else if (anInter->isCompound()) {
 114     double aMinDist = 1.e300;
 115
 116     GeomAPI_ShapeIterator anIt(anInter);
 117     for (; anIt.more(); anIt.next()) {
 118       GeomShapePtr aCurrent = anIt.current();
 119       if (!aCurrent->isVertex())
 120         continue;
 121       std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aCurrent));
 122       std::shared_ptr<GeomAPI_Pnt2d> aPnt = theSketch->to2D(aVertex->point());
 123       double aDist = aPnt->distance(theIntersection->pnt());
 124       if (aDist < aMinDist) {
 125         aMinDist = aDist;
 126         anInterPnt = aPnt;
 127       }
 128     }
 129   }
 130   if(anInterPnt.get()) {
 131     theIntersection->setValue(anInterPnt);
 132   }
 133 }
 134
 135
 136 SketchPlugin_MacroArc::SketchPlugin_MacroArc()
 137 : SketchPlugin_SketchEntity(),
 138   myParamBefore(0.0)
 139 {
 140 }
 141
 142 void SketchPlugin_MacroArc::initAttributes()
 143 {
 144   data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId());
 145
 146   data()->addAttribute(CENTER_POINT_ID(), GeomDataAPI_Point2D::typeId());
 147   data()->addAttribute(START_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
 148   data()->addAttribute(END_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
 149
 150   data()->addAttribute(START_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
 151   data()->addAttribute(END_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
 152   data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
 153
 154   data()->addAttribute(TANGENT_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
 155   data()->addAttribute(END_POINT_3_ID(), GeomDataAPI_Point2D::typeId());
 156
 157   data()->addAttribute(REVERSED_ID(), ModelAPI_AttributeBoolean::typeId());
 158
 159   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
 160   data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
 161
 162   data()->addAttribute(AUXILIARY_ID(), ModelAPI_AttributeBoolean::typeId());
 163
 164   data()->addAttribute(CENTER_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
 165   data()->addAttribute(START_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
 166   data()->addAttribute(END_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
 167   data()->addAttribute(PASSED_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
 168
 169   data()->addAttribute(EDIT_ARC_TYPE_ID(), ModelAPI_AttributeString::typeId());
 170
 171   boolean(REVERSED_ID())->setValue(false);
 172   string(EDIT_ARC_TYPE_ID())->setValue("");
 173
 174   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), CENTER_POINT_REF_ID());
 175   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), START_POINT_REF_ID());
 176   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), END_POINT_REF_ID());
 177   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PASSED_POINT_REF_ID());
 178   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EDIT_ARC_TYPE_ID());
 179 }
 180
 181 void SketchPlugin_MacroArc::attributeChanged(const std::string& theID)
 182 {
 183   std::string anArcType = string(ARC_TYPE())->value();
 184
 185   // If arc type switched reset according attributes.
 186   if(theID == ARC_TYPE()) {
 187     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_ID());
 188     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_REF_ID());
 189     SketchPlugin_Tools::resetAttribute(this, START_POINT_1_ID());
 190     SketchPlugin_Tools::resetAttribute(this, START_POINT_REF_ID());
 191     SketchPlugin_Tools::resetAttribute(this, END_POINT_1_ID());
 192     SketchPlugin_Tools::resetAttribute(this, END_POINT_REF_ID());
 193     SketchPlugin_Tools::resetAttribute(this, START_POINT_2_ID());
 194     SketchPlugin_Tools::resetAttribute(this, END_POINT_2_ID());
 195     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_ID());
 196     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_REF_ID());
 197     SketchPlugin_Tools::resetAttribute(this, TANGENT_POINT_ID());
 198     SketchPlugin_Tools::resetAttribute(this, END_POINT_3_ID());
 199     SketchPlugin_Tools::resetAttribute(this, REVERSED_ID());
 200     SketchPlugin_Tools::resetAttribute(this, RADIUS_ID());
 201     SketchPlugin_Tools::resetAttribute(this, ANGLE_ID());
 202
 203     myCenter.reset();
 204     myStart.reset();
 205     myEnd.reset();
 206     boolean(REVERSED_ID())->setValue(false);
 207     myParamBefore = 0.0;
 208   } else if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS())
 209     fillByCenterAndTwoPassed();
 210   else if(anArcType == ARC_TYPE_BY_THREE_POINTS())
 211     fillByThreePassedPoints();
 212   else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE())
 213     fillByTangentEdge();
 214
 215   double aRadius = 0;
 216   double anAngle = 0;
 217   if(myCenter.get() && myStart.get()) {
 218     aRadius = myCenter->distance(myStart);
 219     if(myEnd.get()) {
 220       if(myStart->isEqual(myEnd)) {
 221         anAngle = 360;
 222       } else {
 223         GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 224         double aStartParam, anEndParam;
 225         aCircleForArc.parameter(myStart, paramTolerance, aStartParam);
 226         aCircleForArc.parameter(myEnd, paramTolerance, anEndParam);
 227         anAngle = (anEndParam - aStartParam) / PI * 180.0;
 228         if(boolean(REVERSED_ID())->value()) anAngle = 360.0 - anAngle;
 229       }
 230     }
 231   }
 232
 233   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 234   if(myCenter.get()) {
 235     // center attribute is used in processEvent() to set reference to reentrant arc
 236     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()))
 237         ->setValue(myCenter);
 238   }
 239   real(RADIUS_ID())->setValue(aRadius);
 240   real(ANGLE_ID())->setValue(anAngle);
 241   data()->blockSendAttributeUpdated(aWasBlocked, false);
 242 }
 243
 244 GeomShapePtr SketchPlugin_MacroArc::getArcShape(bool isBound)
 245 {
 246   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 247     return GeomShapePtr();
 248   }
 249
 250   SketchPlugin_Sketch* aSketch = sketch();
 251   if(!aSketch) {
 252     return GeomShapePtr();
 253   }
 254
 255   std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(myCenter->x(), myCenter->y()));
 256   std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(myStart->x(), myStart->y()));
 257   std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(myEnd->x(), myEnd->y()));
 258   std::shared_ptr<GeomDataAPI_Dir> aNDir =
 259     std::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->attribute(SketchPlugin_Sketch::NORM_ID()));
 260   std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
 261
 262   GeomShapePtr anArcShape;
 263   if (isBound) {
 264     anArcShape = boolean(REVERSED_ID())->value() ?
 265         GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
 266       : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
 267   } else {
 268     double aRadius = aCenter->distance(aStart);
 269     anArcShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
 270   }
 271
 272   return anArcShape;
 273 }
 274
 275 AISObjectPtr SketchPlugin_MacroArc::getAISObject(AISObjectPtr thePrevious)
 276 {
 277   GeomShapePtr anArcShape = getArcShape();
 278   if(!anArcShape.get())
 279     return AISObjectPtr();
 280
 281   SketchPlugin_Sketch* aSketch = sketch();
 282   std::shared_ptr<GeomAPI_Pnt> aCenter = aSketch->to3D(myCenter->x(), myCenter->y());;
 283   GeomShapePtr aCenterPointShape = GeomAlgoAPI_PointBuilder::vertex(aCenter);
 284
 285   if(!aCenterPointShape.get())
 286     return AISObjectPtr();
 287
 288   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 289   aShapes.push_back(anArcShape);
 290   aShapes.push_back(aCenterPointShape);
 291
 292   std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 293   AISObjectPtr anAIS = thePrevious;
 294   if(!anAIS.get()) {
 295     anAIS.reset(new GeomAPI_AISObject());
 296   }
 297   anAIS->createShape(aCompound);
 298   return anAIS;
 299 }
 300
 301 void SketchPlugin_MacroArc::execute()
 302 {
 303   FeaturePtr anArcFeature = createArcFeature();
 304
 305   myCenter.reset();
 306   myStart.reset();
 307   myEnd.reset();
 308
 309   // Create constraints.
 310   std::string anArcType = string(ARC_TYPE())->value();
 311   if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 312     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 313                                          CENTER_POINT_REF_ID(),
 314                                          anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 315                                          ObjectPtr(),
 316                                          false);
 317     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 318                                          START_POINT_REF_ID(),
 319                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 320                                          ObjectPtr(),
 321                                          false);
 322     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 323                                          END_POINT_REF_ID(),
 324                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 325                                          ObjectPtr(),
 326                                          false);
 327   } else if(anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 328     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 329                                          START_POINT_REF_ID(),
 330                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 331                                          ObjectPtr(),
 332                                          false);
 333     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 334                                          END_POINT_REF_ID(),
 335                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 336                                          ObjectPtr(),
 337                                          false);
 338     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 339                                          PASSED_POINT_REF_ID(),
 340                                          AttributePtr(),
 341                                          anArcFeature->lastResult(),
 342                                          true);
 343   } else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 344     // constraints for tangent arc
 345     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 346                                          TANGENT_POINT_ID(),
 347                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 348                                          ObjectPtr(),
 349                                          false);
 350     FeaturePtr aTangent = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 351     AttributeRefAttrPtr aRefAttrA = aTangent->refattr(SketchPlugin_Constraint::ENTITY_A());
 352     AttributeRefAttrPtr aTgPntRefAttr = refattr(TANGENT_POINT_ID());
 353     FeaturePtr aTgFeature = ModelAPI_Feature::feature(aTgPntRefAttr->attr()->owner());
 354     aRefAttrA->setObject(aTgFeature->lastResult());
 355     AttributeRefAttrPtr aRefAttrB = aTangent->refattr(SketchPlugin_Constraint::ENTITY_B());
 356     aRefAttrB->setObject(anArcFeature->lastResult());
 357     // constraint for end point
 358     SketchPlugin_Tools::createCoincidenceOrTangency(this,
 359                                          END_POINT_REF_ID(),
 360                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 361                                          ObjectPtr(),
 362                                          false);
 363   }
 364
 365   // message to init reentrant operation
 366   static Events_ID anId = SketchPlugin_MacroArcReentrantMessage::eventId();
 367   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aMessage = std::shared_ptr
 368     <SketchPlugin_MacroArcReentrantMessage>(new SketchPlugin_MacroArcReentrantMessage(anId, this));
 369
 370   std::string anEditArcType = string(EDIT_ARC_TYPE_ID())->value();
 371   aMessage->setTypeOfCreation(!anEditArcType.empty() ? anEditArcType : anArcType);
 372   aMessage->setCreatedFeature(anArcFeature);
 373   Events_Loop::loop()->send(aMessage);
 374 }
 375
 376 // LCOV_EXCL_START
 377 std::string SketchPlugin_MacroArc::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 378 {
 379   std::string aFilledAttributeName;
 380   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aReentrantMessage =
 381         std::dynamic_pointer_cast<SketchPlugin_MacroArcReentrantMessage>(theMessage);
 382   if (aReentrantMessage.get()) {
 383     FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 384     std::string anArcType = aReentrantMessage->typeOfCreation();
 385
 386     string(ARC_TYPE())->setValue(anArcType);
 387
 388     aFilledAttributeName = ARC_TYPE();
 389     if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 390       aFilledAttributeName = TANGENT_POINT_ID();
 391       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 392                                                         attribute(aFilledAttributeName));
 393       FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 394       aRefAttr->setAttr(aCreatedFeature->attribute(SketchPlugin_Arc::END_ID()));
 395     }
 396     else {
 397       ObjectPtr anObject = aReentrantMessage->selectedObject();
 398       AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
 399       std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
 400
 401       if (aClickedPoint.get() && (anObject.get() || anAttribute.get())) {
 402         if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS() ||
 403             anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 404           std::string aReferenceAttributeName;
 405           if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 406             aFilledAttributeName = CENTER_POINT_ID();
 407             aReferenceAttributeName = CENTER_POINT_REF_ID();
 408           }
 409           else {
 410             aFilledAttributeName = START_POINT_2_ID();
 411             aReferenceAttributeName = START_POINT_REF_ID();
 412           }
 413           // fill 2d point attribute
 414           AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 415                                                             attribute(aFilledAttributeName));
 416           aPointAttr->setValue(aClickedPoint);
 417           // fill reference attribute
 418           AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 419                                                           attribute(aReferenceAttributeName));
 420           if (aRefAttr.get()) {
 421             if (anAttribute.get()) {
 422               if (!anAttribute->owner().get() || !anAttribute->owner()->data()->isValid()) {
 423                 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 424                 if (aCreatedFeature.get()) {
 425                   std::string anID = anAttribute->id();
 426                   std::string anArcID;
 427                   if (anID == END_POINT_1_ID() || anID == END_POINT_2_ID() ||
 428                       anID == END_POINT_3_ID())
 429                     anArcID = SketchPlugin_Arc::END_ID();
 430                   else if (anID == START_POINT_1_ID() || anID ==START_POINT_2_ID())
 431                     anArcID = SketchPlugin_Arc::START_ID();
 432                   else if (anID == CENTER_POINT_ID())
 433                     anArcID = SketchPlugin_Arc::CENTER_ID();
 434                   anAttribute = aCreatedFeature->attribute(anArcID);
 435                 }
 436               }
 437               aRefAttr->setAttr(anAttribute);
 438             }
 439             else if (anObject.get()) {
 440               // if attribute is NULL, only object is defined, it should be processed outside
 441               // the feature because it might be an external feature, that will be
 442               // removed/created again after restart operation
 443               // #2468 - Crash when sketching circles successively on a repetition
 444               aFilledAttributeName = ARC_TYPE();
 445             }
 446           }
 447         }
 448       }
 449     }
 450     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 451   }
 452   return aFilledAttributeName;
 453 }
 454 // LCOV_EXCL_STOP
 455
 456 FeaturePtr SketchPlugin_MacroArc::createArcFeature()
 457 {
 458   FeaturePtr anArcFeature = sketch()->addFeature(SketchPlugin_Arc::ID());
 459   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 460       anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(myCenter);
 461   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 462       anArcFeature->attribute(SketchPlugin_Arc::START_ID()))->setValue(myStart);
 463   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 464       anArcFeature->attribute(SketchPlugin_Arc::END_ID()))->setValue(myEnd);
 465   anArcFeature->boolean(SketchPlugin_Arc::REVERSED_ID())
 466                 ->setValue(boolean(REVERSED_ID())->value());
 467   anArcFeature->boolean(SketchPlugin_Arc::AUXILIARY_ID())
 468                 ->setValue(boolean(AUXILIARY_ID())->value());
 469   anArcFeature->execute();
 470
 471   return anArcFeature;
 472 }
 473
 474 void SketchPlugin_MacroArc::fillByCenterAndTwoPassed()
 475 {
 476   AttributePoint2DPtr aCenterPointAttr =
 477       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()));
 478   if (!aCenterPointAttr->isInitialized())
 479       return;
 480
 481   AttributePoint2DPtr aStartPointAttr =
 482       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_1_ID()));
 483   if (!aStartPointAttr->isInitialized())
 484     return;
 485
 486   myCenter = aCenterPointAttr->pnt();
 487   myStart = aStartPointAttr->pnt();
 488   myEnd = myStart;
 489
 490   AttributePoint2DPtr anEndPointAttr =
 491       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_1_ID()));
 492   if (!anEndPointAttr->isInitialized())
 493     return;
 494
 495   GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 496   // avoid degerated arc, when the center and the start points are equal
 497   if (!aCircleForArc.implPtr<void*>())
 498     return;
 499
 500   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 501   // check the end point is referred to another feature
 502   GeomShapePtr aRefShape;
 503   AttributeRefAttrPtr aEndPointRefAttr = refattr(END_POINT_REF_ID());
 504   if (aEndPointRefAttr && aEndPointRefAttr->isInitialized()) {
 505     if (aEndPointRefAttr->isObject()) {
 506       FeaturePtr aFeature = ModelAPI_Feature::feature(aEndPointRefAttr->object());
 507       if (aFeature)
 508         aRefShape = aFeature->lastResult()->shape();
 509     }
 510   }
 511   if (aRefShape) {
 512     // Calculate end point as an intersection between circle and another shape
 513     intersectShapeAndCircle(aRefShape, aCircleForArc, sketch(), anEndPointAttr);
 514   } else {
 515     // End point should be a projection on circle.
 516     projectPointOnCircle(anEndPointAttr, aCircleForArc);
 517   }
 518   data()->blockSendAttributeUpdated(aWasBlocked, false);
 519   myEnd = anEndPointAttr->pnt();
 520
 521   // update the REVERSED flag
 522   recalculateReversedFlagByEnd(aCircleForArc);
 523 }
 524
 525 void SketchPlugin_MacroArc::recalculateReversedFlagByEnd(const GeomAPI_Circ2d& theCurrentCircular)
 526 {
 527   double aParameterNew = 0.0;
 528   if(theCurrentCircular.parameter(myEnd, paramTolerance, aParameterNew)) {
 529     if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
 530       boolean(REVERSED_ID())->setValue(true);
 531     } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
 532       boolean(REVERSED_ID())->setValue(false);
 533     }
 534   }
 535   myParamBefore = aParameterNew;
 536 }
 537
 538 void SketchPlugin_MacroArc::fillByThreePassedPoints()
 539 {
 540   AttributePoint2DPtr aStartPointAttr =
 541       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_2_ID()));
 542   if (!aStartPointAttr->isInitialized())
 543     return;
 544
 545   AttributePoint2DPtr anEndPointAttr =
 546       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_2_ID()));
 547   if (!anEndPointAttr->isInitialized())
 548     return;
 549
 550   myStart = aStartPointAttr->pnt();
 551   myEnd = anEndPointAttr->pnt();
 552
 553   AttributePoint2DPtr aPassedPointAttr =
 554       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 555   if (aPassedPointAttr->isInitialized()) {
 556     std::shared_ptr<GeomAPI_Pnt2d> aPassedPnt;
 557     std::shared_ptr<GeomAPI_Shape> aTangentCurve;
 558     SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
 559         refattr(PASSED_POINT_REF_ID()), aPassedPointAttr, aTangentCurve, aPassedPnt);
 560
 561     GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 562     aCircBuilder.addPassingPoint(myStart);
 563     aCircBuilder.addPassingPoint(myEnd);
 564     if (aTangentCurve) {
 565       aCircBuilder.addTangentCurve(aTangentCurve);
 566       aCircBuilder.setClosestPoint(aPassedPointAttr->pnt());
 567     } else
 568       aCircBuilder.addPassingPoint(aPassedPnt);
 569
 570     std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 571     if (!aCircle)
 572       return;
 573     myCenter = aCircle->center();
 574
 575     aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 576     recalculateReversedFlagByPassed(*aCircle);
 577   } else
 578     myCenter.reset(new GeomAPI_Pnt2d(myStart->xy()->added(myEnd->xy())->multiplied(0.5)));
 579 }
 580
 581 void SketchPlugin_MacroArc::recalculateReversedFlagByPassed(
 582     const GeomAPI_Circ2d& theCurrentCircular)
 583 {
 584   AttributePoint2DPtr aPassedAttr =
 585       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 586   std::shared_ptr<GeomAPI_Pnt2d> aPassed = theCurrentCircular.project(aPassedAttr->pnt());
 587
 588   double aEndParam, aPassedParam;
 589   theCurrentCircular.parameter(myEnd, paramTolerance, aEndParam);
 590   theCurrentCircular.parameter(aPassed, paramTolerance, aPassedParam);
 591
 592   if(aPassedParam > aEndParam)
 593     boolean(REVERSED_ID())->setValue(true);
 594   else
 595     boolean(REVERSED_ID())->setValue(false);
 596
 597   myParamBefore = aEndParam;
 598 }
 599
 600 void SketchPlugin_MacroArc::fillByTangentEdge()
 601 {
 602   AttributeRefAttrPtr aTangentAttr = refattr(TANGENT_POINT_ID());
 603   if (!aTangentAttr->isInitialized())
 604     return;
 605
 606   AttributePoint2DPtr aTangentPointAttr =
 607       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangentAttr->attr());
 608   if (!aTangentPointAttr->isInitialized())
 609     return;
 610
 611   AttributePoint2DPtr anEndPointAttr =
 612       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_3_ID()));
 613   if (!anEndPointAttr->isInitialized())
 614     return;
 615
 616   myStart = aTangentPointAttr->pnt();
 617   myEnd = anEndPointAttr->pnt();
 618   if (myStart->isEqual(myEnd))
 619     return;
 620
 621   // obtain a shape the tangent point belongs to
 622   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentPointAttr->owner());
 623   std::shared_ptr<GeomAPI_Shape> aTangentShape = aTangentFeature->lastResult()->shape();
 624
 625   GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 626   aCircBuilder.addPassingPoint(myStart);
 627   aCircBuilder.addPassingPoint(myEnd);
 628   aCircBuilder.addTangentCurve(aTangentShape);
 629
 630   std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 631   if (!aCircle)
 632     return;
 633   myCenter = aCircle->center();
 634
 635   // rebuild circle to set start point equal to zero parameter
 636   aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 637   recalculateReversedFlagByEnd(*aCircle);
 638 }