src/SketchPlugin/SketchPlugin_MacroArc.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        SketchPlugin_MacroArc.cpp
   4 // Created:     26 Apr 2014
   5 // Author:      Artem ZHIDKOV
   6
   7 #include "SketchPlugin_MacroArc.h"
   8
   9 #include "SketchPlugin_Arc.h"
  10 #include "SketchPlugin_ConstraintTangent.h"
  11 #include "SketchPlugin_Sketch.h"
  12 #include "SketchPlugin_Tools.h"
  13 #include "SketchPlugin_MacroArcReentrantMessage.h"
  14
  15 #include <ModelAPI_AttributeDouble.h>
  16 #include <ModelAPI_AttributeRefAttr.h>
  17 #include <ModelAPI_AttributeString.h>
  18 #include <ModelAPI_Events.h>
  19 #include <ModelAPI_Session.h>
  20 #include <ModelAPI_Validator.h>
  21
  22 #include <GeomAPI_Circ.h>
  23 #include <GeomAPI_Circ2d.h>
  24 #include <GeomAPI_Curve.h>
  25 #include <GeomAPI_Dir2d.h>
  26 #include <GeomAPI_Edge.h>
  27 #include <GeomAPI_Lin.h>
  28 #include <GeomAPI_Lin2d.h>
  29 #include <GeomAPI_Pnt2d.h>
  30 #include <GeomAPI_Vertex.h>
  31 #include <GeomAPI_XY.h>
  32
  33 #include <GeomDataAPI_Point2D.h>
  34 #include <GeomDataAPI_Dir.h>
  35
  36 #include <GeomAlgoAPI_Circ2dBuilder.h>
  37 #include <GeomAlgoAPI_EdgeBuilder.h>
  38 #include <GeomAlgoAPI_CompoundBuilder.h>
  39 #include <GeomAlgoAPI_PointBuilder.h>
  40
  41 // for sqrt on Linux
  42 #include <math.h>
  43
  44 const double tolerance = 1e-7;
  45 const double paramTolerance = 1.e-4;
  46 const double PI = 3.141592653589793238463;
  47
  48 static void projectPointOnCircle(AttributePoint2DPtr& thePoint, const GeomAPI_Circ2d& theCircle)
  49 {
  50   std::shared_ptr<GeomAPI_Pnt2d> aProjection = theCircle.project(thePoint->pnt());
  51   if(aProjection.get())
  52     thePoint->setValue(aProjection);
  53 }
  54
  55
  56 SketchPlugin_MacroArc::SketchPlugin_MacroArc()
  57 : SketchPlugin_SketchEntity(),
  58   myParamBefore(0.0)
  59 {
  60 }
  61
  62 void SketchPlugin_MacroArc::initAttributes()
  63 {
  64   data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId());
  65
  66   data()->addAttribute(CENTER_POINT_ID(), GeomDataAPI_Point2D::typeId());
  67   data()->addAttribute(START_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
  68   data()->addAttribute(END_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
  69
  70   data()->addAttribute(START_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
  71   data()->addAttribute(END_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
  72   data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
  73
  74   data()->addAttribute(TANGENT_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
  75   data()->addAttribute(END_POINT_3_ID(), GeomDataAPI_Point2D::typeId());
  76
  77   data()->addAttribute(REVERSED_ID(), ModelAPI_AttributeBoolean::typeId());
  78
  79   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  80   data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
  81
  82   data()->addAttribute(AUXILIARY_ID(), ModelAPI_AttributeBoolean::typeId());
  83
  84   data()->addAttribute(CENTER_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  85   data()->addAttribute(START_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  86   data()->addAttribute(END_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  87   data()->addAttribute(PASSED_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  88
  89   data()->addAttribute(EDIT_ARC_TYPE_ID(), ModelAPI_AttributeString::typeId());
  90
  91   boolean(REVERSED_ID())->setValue(false);
  92   string(EDIT_ARC_TYPE_ID())->setValue("");
  93
  94   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), CENTER_POINT_REF_ID());
  95   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), START_POINT_REF_ID());
  96   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), END_POINT_REF_ID());
  97   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PASSED_POINT_REF_ID());
  98   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EDIT_ARC_TYPE_ID());
  99 }
 100
 101 void SketchPlugin_MacroArc::attributeChanged(const std::string& theID)
 102 {
 103   std::string anArcType = string(ARC_TYPE())->value();
 104
 105   // If arc type switched reset according attributes.
 106   if(theID == ARC_TYPE()) {
 107     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_ID());
 108     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_REF_ID());
 109     SketchPlugin_Tools::resetAttribute(this, START_POINT_1_ID());
 110     SketchPlugin_Tools::resetAttribute(this, START_POINT_REF_ID());
 111     SketchPlugin_Tools::resetAttribute(this, END_POINT_1_ID());
 112     SketchPlugin_Tools::resetAttribute(this, END_POINT_REF_ID());
 113     SketchPlugin_Tools::resetAttribute(this, START_POINT_2_ID());
 114     SketchPlugin_Tools::resetAttribute(this, END_POINT_2_ID());
 115     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_ID());
 116     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_REF_ID());
 117     SketchPlugin_Tools::resetAttribute(this, TANGENT_POINT_ID());
 118     SketchPlugin_Tools::resetAttribute(this, END_POINT_3_ID());
 119     SketchPlugin_Tools::resetAttribute(this, REVERSED_ID());
 120     SketchPlugin_Tools::resetAttribute(this, RADIUS_ID());
 121     SketchPlugin_Tools::resetAttribute(this, ANGLE_ID());
 122
 123     myCenter.reset();
 124     myStart.reset();
 125     myEnd.reset();
 126     boolean(REVERSED_ID())->setValue(false);
 127     myParamBefore = 0.0;
 128   } else if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS())
 129     fillByCenterAndTwoPassed();
 130   else if(anArcType == ARC_TYPE_BY_THREE_POINTS())
 131     fillByThreePassedPoints();
 132   else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE())
 133     fillByTangentEdge();
 134
 135   double aRadius = 0;
 136   double anAngle = 0;
 137   if(myCenter.get() && myStart.get()) {
 138     aRadius = myCenter->distance(myStart);
 139     if(myEnd.get()) {
 140       if(myStart->isEqual(myEnd)) {
 141         anAngle = 360;
 142       } else {
 143         GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 144         double aStartParam, anEndParam;
 145         aCircleForArc.parameter(myStart, paramTolerance, aStartParam);
 146         aCircleForArc.parameter(myEnd, paramTolerance, anEndParam);
 147         anAngle = (anEndParam - aStartParam) / PI * 180.0;
 148         if(boolean(REVERSED_ID())->value()) anAngle = 360.0 - anAngle;
 149       }
 150     }
 151   }
 152
 153   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 154   real(RADIUS_ID())->setValue(aRadius);
 155   real(ANGLE_ID())->setValue(anAngle);
 156   data()->blockSendAttributeUpdated(aWasBlocked, false);
 157 }
 158
 159 GeomShapePtr SketchPlugin_MacroArc::getArcShape()
 160 {
 161   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 162     return GeomShapePtr();
 163   }
 164
 165   SketchPlugin_Sketch* aSketch = sketch();
 166   if(!aSketch) {
 167     return GeomShapePtr();
 168   }
 169
 170   std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(myCenter->x(), myCenter->y()));
 171   std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(myStart->x(), myStart->y()));
 172   std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(myEnd->x(), myEnd->y()));
 173   std::shared_ptr<GeomDataAPI_Dir> aNDir =
 174     std::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->attribute(SketchPlugin_Sketch::NORM_ID()));
 175   std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
 176
 177   GeomShapePtr anArcShape = boolean(REVERSED_ID())->value() ?
 178       GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
 179     : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
 180
 181   return anArcShape;
 182 }
 183
 184 AISObjectPtr SketchPlugin_MacroArc::getAISObject(AISObjectPtr thePrevious)
 185 {
 186   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 187     return AISObjectPtr();
 188   }
 189
 190   SketchPlugin_Sketch* aSketch = sketch();
 191   if(!aSketch) {
 192     return AISObjectPtr();
 193   }
 194
 195   GeomShapePtr anArcShape = getArcShape();
 196   std::shared_ptr<GeomAPI_Pnt> aCenter = aSketch->to3D(myCenter->x(), myCenter->y());;
 197   GeomShapePtr aCenterPointShape = GeomAlgoAPI_PointBuilder::vertex(aCenter);
 198
 199   if(!anArcShape.get() || !aCenterPointShape.get()) {
 200     return AISObjectPtr();
 201   }
 202
 203   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 204   aShapes.push_back(anArcShape);
 205   aShapes.push_back(aCenterPointShape);
 206
 207   std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 208   AISObjectPtr anAIS = thePrevious;
 209   if(!anAIS.get()) {
 210     anAIS.reset(new GeomAPI_AISObject());
 211   }
 212   anAIS->createShape(aCompound);
 213   return anAIS;
 214 }
 215
 216 void SketchPlugin_MacroArc::execute()
 217 {
 218   FeaturePtr anArcFeature = createArcFeature();
 219
 220   myCenter.reset();
 221   myStart.reset();
 222   myEnd.reset();
 223
 224   // Create constraints.
 225   std::string anArcType = string(ARC_TYPE())->value();
 226   if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 227     SketchPlugin_Tools::createConstraint(this,
 228                                          CENTER_POINT_REF_ID(),
 229                                          anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 230                                          ObjectPtr(),
 231                                          false);
 232     SketchPlugin_Tools::createConstraint(this,
 233                                          START_POINT_REF_ID(),
 234                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 235                                          ObjectPtr(),
 236                                          false);
 237     SketchPlugin_Tools::createConstraint(this,
 238                                          END_POINT_REF_ID(),
 239                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 240                                          ObjectPtr(),
 241                                          false);
 242   } else if(anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 243     SketchPlugin_Tools::createConstraint(this,
 244                                          START_POINT_REF_ID(),
 245                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 246                                          ObjectPtr(),
 247                                          false);
 248     SketchPlugin_Tools::createConstraint(this,
 249                                          END_POINT_REF_ID(),
 250                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 251                                          ObjectPtr(),
 252                                          false);
 253     SketchPlugin_Tools::createConstraint(this,
 254                                          PASSED_POINT_REF_ID(),
 255                                          AttributePtr(),
 256                                          anArcFeature->lastResult(),
 257                                          true);
 258   } else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 259     // constraints for tangent arc
 260     SketchPlugin_Tools::createConstraint(this,
 261                                          TANGENT_POINT_ID(),
 262                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 263                                          ObjectPtr(),
 264                                          false);
 265     FeaturePtr aTangent = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 266     AttributeRefAttrPtr aRefAttrA = aTangent->refattr(SketchPlugin_Constraint::ENTITY_A());
 267     AttributeRefAttrPtr aTgPntRefAttr = refattr(TANGENT_POINT_ID());
 268     FeaturePtr aTgFeature = ModelAPI_Feature::feature(aTgPntRefAttr->attr()->owner());
 269     aRefAttrA->setObject(aTgFeature->lastResult());
 270     AttributeRefAttrPtr aRefAttrB = aTangent->refattr(SketchPlugin_Constraint::ENTITY_B());
 271     aRefAttrB->setObject(anArcFeature->lastResult());
 272     // constraint for end point
 273     SketchPlugin_Tools::createConstraint(this,
 274                                          END_POINT_REF_ID(),
 275                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 276                                          ObjectPtr(),
 277                                          false);
 278   }
 279
 280   // message to init reentrant operation
 281   static Events_ID anId = SketchPlugin_MacroArcReentrantMessage::eventId();
 282   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aMessage = std::shared_ptr
 283     <SketchPlugin_MacroArcReentrantMessage>(new SketchPlugin_MacroArcReentrantMessage(anId, 0));
 284
 285   std::string anEditArcType = string(EDIT_ARC_TYPE_ID())->value();
 286   aMessage->setTypeOfCreation(!anEditArcType.empty() ? anEditArcType : anArcType);
 287   aMessage->setCreatedFeature(anArcFeature);
 288   Events_Loop::loop()->send(aMessage);
 289 }
 290
 291 std::string SketchPlugin_MacroArc::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 292 {
 293   std::string aFilledAttributeName;
 294   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aReentrantMessage =
 295         std::dynamic_pointer_cast<SketchPlugin_MacroArcReentrantMessage>(theMessage);
 296   if (aReentrantMessage.get()) {
 297     FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 298     std::string anArcType = aReentrantMessage->typeOfCreation();
 299
 300     string(ARC_TYPE())->setValue(anArcType);
 301
 302     aFilledAttributeName = ARC_TYPE();
 303     if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 304       aFilledAttributeName = TANGENT_POINT_ID();
 305       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 306                                                         attribute(aFilledAttributeName));
 307       FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 308       aRefAttr->setAttr(aCreatedFeature->attribute(SketchPlugin_Arc::END_ID()));
 309     }
 310     else {
 311       ObjectPtr anObject = aReentrantMessage->selectedObject();
 312       AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
 313       std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
 314
 315       if (aClickedPoint.get() && (anObject.get() || anAttribute.get())) {
 316         if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS() ||
 317             anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 318           std::string aReferenceAttributeName;
 319           if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 320             aFilledAttributeName = CENTER_POINT_ID();
 321             aReferenceAttributeName = CENTER_POINT_REF_ID();
 322           }
 323           else {
 324             aFilledAttributeName = START_POINT_2_ID();
 325             aReferenceAttributeName = START_POINT_REF_ID();
 326           }
 327           // fill 2d point attribute
 328           AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 329                                                             attribute(aFilledAttributeName));
 330           aPointAttr->setValue(aClickedPoint);
 331           // fill reference attribute
 332           AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 333                                                             attribute(aReferenceAttributeName));
 334           if (aRefAttr.get()) {
 335             if (anAttribute.get())
 336               aRefAttr->setAttr(anAttribute);
 337             else if (anObject.get()) {
 338               // if presentation of previous reentrant macro arc is used, the object is invalid,
 339               // we should use result of previous feature of the message(Arc)
 340               if (!anObject->data()->isValid()) {
 341                 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 342                 anObject = aCreatedFeature->lastResult();
 343               }
 344               aRefAttr->setObject(anObject);
 345             }
 346           }
 347         }
 348       }
 349     }
 350     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 351   }
 352   return aFilledAttributeName;
 353 }
 354
 355 FeaturePtr SketchPlugin_MacroArc::createArcFeature()
 356 {
 357   FeaturePtr anArcFeature = sketch()->addFeature(SketchPlugin_Arc::ID());
 358   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 359       anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(myCenter);
 360   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 361       anArcFeature->attribute(SketchPlugin_Arc::START_ID()))->setValue(myStart);
 362   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 363       anArcFeature->attribute(SketchPlugin_Arc::END_ID()))->setValue(myEnd);
 364   anArcFeature->boolean(SketchPlugin_Arc::REVERSED_ID())
 365                 ->setValue(boolean(REVERSED_ID())->value());
 366   anArcFeature->boolean(SketchPlugin_Arc::AUXILIARY_ID())
 367                 ->setValue(boolean(AUXILIARY_ID())->value());
 368   anArcFeature->execute();
 369
 370   return anArcFeature;
 371 }
 372
 373 void SketchPlugin_MacroArc::fillByCenterAndTwoPassed()
 374 {
 375   AttributePoint2DPtr aCenterPointAttr =
 376       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()));
 377   if (!aCenterPointAttr->isInitialized())
 378       return;
 379
 380   AttributePoint2DPtr aStartPointAttr =
 381       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_1_ID()));
 382   if (!aStartPointAttr->isInitialized())
 383     return;
 384
 385   myCenter = aCenterPointAttr->pnt();
 386   myStart = aStartPointAttr->pnt();
 387   myEnd = myStart;
 388
 389   AttributePoint2DPtr anEndPointAttr =
 390       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_1_ID()));
 391   if (!anEndPointAttr->isInitialized())
 392     return;
 393
 394   GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 395
 396   // End point should be a projection on circle.
 397   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 398   projectPointOnCircle(anEndPointAttr, aCircleForArc);
 399   data()->blockSendAttributeUpdated(aWasBlocked, false);
 400   myEnd = anEndPointAttr->pnt();
 401
 402   // update the REVERSED flag
 403   recalculateReversedFlagByEnd(aCircleForArc);
 404 }
 405
 406 void SketchPlugin_MacroArc::recalculateReversedFlagByEnd(const GeomAPI_Circ2d& theCurrentCircular)
 407 {
 408   double aParameterNew = 0.0;
 409   if(theCurrentCircular.parameter(myEnd, paramTolerance, aParameterNew)) {
 410     if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
 411       boolean(REVERSED_ID())->setValue(true);
 412     } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
 413       boolean(REVERSED_ID())->setValue(false);
 414     }
 415   }
 416   myParamBefore = aParameterNew;
 417 }
 418
 419 void SketchPlugin_MacroArc::fillByThreePassedPoints()
 420 {
 421   AttributePoint2DPtr aStartPointAttr =
 422       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_2_ID()));
 423   if (!aStartPointAttr->isInitialized())
 424     return;
 425
 426   AttributePoint2DPtr anEndPointAttr =
 427       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_2_ID()));
 428   if (!anEndPointAttr->isInitialized())
 429     return;
 430
 431   myStart = aStartPointAttr->pnt();
 432   myEnd = anEndPointAttr->pnt();
 433
 434   AttributePoint2DPtr aPassedPointAttr =
 435       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 436   if (aPassedPointAttr->isInitialized()) {
 437     std::shared_ptr<GeomAPI_Pnt2d> aPassedPnt;
 438     std::shared_ptr<GeomAPI_Shape> aTangentCurve;
 439     SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
 440         refattr(PASSED_POINT_REF_ID()), aPassedPointAttr, aTangentCurve, aPassedPnt);
 441
 442     GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 443     aCircBuilder.addPassingPoint(myStart);
 444     aCircBuilder.addPassingPoint(myEnd);
 445     if (aTangentCurve) {
 446       aCircBuilder.addTangentCurve(aTangentCurve);
 447       aCircBuilder.setClosestPoint(aPassedPointAttr->pnt());
 448     } else
 449       aCircBuilder.addPassingPoint(aPassedPnt);
 450
 451     std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 452     if (!aCircle)
 453       return;
 454     myCenter = aCircle->center();
 455
 456     aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 457     recalculateReversedFlagByPassed(*aCircle);
 458   } else
 459     myCenter.reset(new GeomAPI_Pnt2d(myStart->xy()->added(myEnd->xy())->multiplied(0.5)));
 460 }
 461
 462 void SketchPlugin_MacroArc::recalculateReversedFlagByPassed(
 463     const GeomAPI_Circ2d& theCurrentCircular)
 464 {
 465   AttributePoint2DPtr aPassedAttr =
 466       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 467   std::shared_ptr<GeomAPI_Pnt2d> aPassed = theCurrentCircular.project(aPassedAttr->pnt());
 468
 469   double aEndParam, aPassedParam;
 470   theCurrentCircular.parameter(myEnd, paramTolerance, aEndParam);
 471   theCurrentCircular.parameter(aPassed, paramTolerance, aPassedParam);
 472
 473   if(aPassedParam > aEndParam)
 474     boolean(REVERSED_ID())->setValue(true);
 475   else
 476     boolean(REVERSED_ID())->setValue(false);
 477
 478   myParamBefore = aEndParam;
 479 }
 480
 481 void SketchPlugin_MacroArc::fillByTangentEdge()
 482 {
 483   AttributeRefAttrPtr aTangentAttr = refattr(TANGENT_POINT_ID());
 484   if (!aTangentAttr->isInitialized())
 485     return;
 486
 487   AttributePoint2DPtr aTangentPointAttr =
 488       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangentAttr->attr());
 489   if (!aTangentPointAttr->isInitialized())
 490     return;
 491
 492   AttributePoint2DPtr anEndPointAttr =
 493       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_3_ID()));
 494   if (!anEndPointAttr->isInitialized())
 495     return;
 496
 497   myStart = aTangentPointAttr->pnt();
 498   myEnd = anEndPointAttr->pnt();
 499   if (myStart->isEqual(myEnd))
 500     return;
 501
 502   // obtain a shape the tangent point belongs to
 503   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentPointAttr->owner());
 504   std::shared_ptr<GeomAPI_Shape> aTangentShape = aTangentFeature->lastResult()->shape();
 505
 506   GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 507   aCircBuilder.addPassingPoint(myStart);
 508   aCircBuilder.addPassingPoint(myEnd);
 509   aCircBuilder.addTangentCurve(aTangentShape);
 510
 511   std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 512   myCenter = aCircle->center();
 513
 514   // rebuild circle to set start point equal to zero parameter
 515   aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 516   recalculateReversedFlagByEnd(*aCircle);
 517 }