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 #include <GeomAlgoAPI_PointBuilder.h>
  36 #include <GeomAlgoAPI_EdgeBuilder.h>
  37 #include <GeomAlgoAPI_CompoundBuilder.h>
  38
  39 // for sqrt on Linux
  40 #include <math.h>
  41
  42 const double tolerance = 1e-7;
  43 const double paramTolerance = 1.e-4;
  44 const double PI = 3.141592653589793238463;
  45
  46 static void projectPointOnCircle(AttributePoint2DPtr& thePoint, const GeomAPI_Circ2d& theCircle)
  47 {
  48   std::shared_ptr<GeomAPI_Pnt2d> aProjection = theCircle.project(thePoint->pnt());
  49   if(aProjection.get())
  50     thePoint->setValue(aProjection);
  51 }
  52
  53
  54 SketchPlugin_MacroArc::SketchPlugin_MacroArc()
  55 : SketchPlugin_SketchEntity(),
  56   myParamBefore(0.0)
  57 {
  58 }
  59
  60 void SketchPlugin_MacroArc::initAttributes()
  61 {
  62   data()->addAttribute(ARC_TYPE(), ModelAPI_AttributeString::typeId());
  63
  64   data()->addAttribute(CENTER_POINT_ID(), GeomDataAPI_Point2D::typeId());
  65   data()->addAttribute(START_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
  66   data()->addAttribute(END_POINT_1_ID(), GeomDataAPI_Point2D::typeId());
  67
  68   data()->addAttribute(START_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
  69   data()->addAttribute(END_POINT_2_ID(), GeomDataAPI_Point2D::typeId());
  70   data()->addAttribute(PASSED_POINT_ID(), GeomDataAPI_Point2D::typeId());
  71
  72   data()->addAttribute(TANGENT_POINT_ID(), ModelAPI_AttributeRefAttr::typeId());
  73   data()->addAttribute(END_POINT_3_ID(), GeomDataAPI_Point2D::typeId());
  74
  75   data()->addAttribute(REVERSED_ID(), ModelAPI_AttributeBoolean::typeId());
  76
  77   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  78   data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
  79
  80   data()->addAttribute(AUXILIARY_ID(), ModelAPI_AttributeBoolean::typeId());
  81
  82   data()->addAttribute(CENTER_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  83   data()->addAttribute(START_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  84   data()->addAttribute(END_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  85   data()->addAttribute(PASSED_POINT_REF_ID(), ModelAPI_AttributeRefAttr::typeId());
  86
  87   data()->addAttribute(EDIT_ARC_TYPE_ID(), ModelAPI_AttributeString::typeId());
  88
  89   boolean(REVERSED_ID())->setValue(false);
  90   string(EDIT_ARC_TYPE_ID())->setValue("");
  91
  92   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), CENTER_POINT_REF_ID());
  93   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), START_POINT_REF_ID());
  94   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), END_POINT_REF_ID());
  95   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), PASSED_POINT_REF_ID());
  96   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EDIT_ARC_TYPE_ID());
  97 }
  98
  99 void SketchPlugin_MacroArc::attributeChanged(const std::string& theID)
 100 {
 101   std::string anArcType = string(ARC_TYPE())->value();
 102
 103   // If arc type switched reset according attributes.
 104   if(theID == ARC_TYPE()) {
 105     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_ID());
 106     SketchPlugin_Tools::resetAttribute(this, CENTER_POINT_REF_ID());
 107     SketchPlugin_Tools::resetAttribute(this, START_POINT_1_ID());
 108     SketchPlugin_Tools::resetAttribute(this, START_POINT_REF_ID());
 109     SketchPlugin_Tools::resetAttribute(this, END_POINT_1_ID());
 110     SketchPlugin_Tools::resetAttribute(this, END_POINT_REF_ID());
 111     SketchPlugin_Tools::resetAttribute(this, START_POINT_2_ID());
 112     SketchPlugin_Tools::resetAttribute(this, END_POINT_2_ID());
 113     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_ID());
 114     SketchPlugin_Tools::resetAttribute(this, PASSED_POINT_REF_ID());
 115     SketchPlugin_Tools::resetAttribute(this, TANGENT_POINT_ID());
 116     SketchPlugin_Tools::resetAttribute(this, END_POINT_3_ID());
 117     SketchPlugin_Tools::resetAttribute(this, REVERSED_ID());
 118     SketchPlugin_Tools::resetAttribute(this, RADIUS_ID());
 119     SketchPlugin_Tools::resetAttribute(this, ANGLE_ID());
 120
 121     myCenter.reset();
 122     myStart.reset();
 123     myEnd.reset();
 124     boolean(REVERSED_ID())->setValue(false);
 125     myParamBefore = 0.0;
 126   } else if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS())
 127     fillByCenterAndTwoPassed();
 128   else if(anArcType == ARC_TYPE_BY_THREE_POINTS())
 129     fillByThreePassedPoints();
 130   else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE())
 131     fillByTangentEdge();
 132
 133   double aRadius = 0;
 134   double anAngle = 0;
 135   if(myCenter.get() && myStart.get()) {
 136     aRadius = myCenter->distance(myStart);
 137     if(myEnd.get()) {
 138       if(myStart->isEqual(myEnd)) {
 139         anAngle = 360;
 140       } else {
 141         GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 142         double aStartParam, anEndParam;
 143         aCircleForArc.parameter(myStart, paramTolerance, aStartParam);
 144         aCircleForArc.parameter(myEnd, paramTolerance, anEndParam);
 145         anAngle = (anEndParam - aStartParam) / PI * 180.0;
 146         if(boolean(REVERSED_ID())->value()) anAngle = 360.0 - anAngle;
 147       }
 148     }
 149   }
 150
 151   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 152   real(RADIUS_ID())->setValue(aRadius);
 153   real(ANGLE_ID())->setValue(anAngle);
 154   data()->blockSendAttributeUpdated(aWasBlocked, false);
 155 }
 156
 157 GeomShapePtr SketchPlugin_MacroArc::getArcShape()
 158 {
 159   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 160     return GeomShapePtr();
 161   }
 162
 163   SketchPlugin_Sketch* aSketch = sketch();
 164   if(!aSketch) {
 165     return GeomShapePtr();
 166   }
 167
 168   std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(myCenter->x(), myCenter->y()));
 169   std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(myStart->x(), myStart->y()));
 170   std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(myEnd->x(), myEnd->y()));
 171   std::shared_ptr<GeomDataAPI_Dir> aNDir =
 172     std::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->attribute(SketchPlugin_Sketch::NORM_ID()));
 173   std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
 174
 175   GeomShapePtr anArcShape = boolean(REVERSED_ID())->value() ?
 176       GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
 177     : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
 178
 179   return anArcShape;
 180 }
 181
 182 AISObjectPtr SketchPlugin_MacroArc::getAISObject(AISObjectPtr thePrevious)
 183 {
 184   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 185     return AISObjectPtr();
 186   }
 187
 188   SketchPlugin_Sketch* aSketch = sketch();
 189   if(!aSketch) {
 190     return AISObjectPtr();
 191   }
 192
 193   GeomShapePtr anArcShape = getArcShape();
 194   std::shared_ptr<GeomAPI_Pnt> aCenter = aSketch->to3D(myCenter->x(), myCenter->y());;
 195   GeomShapePtr aCenterPointShape = GeomAlgoAPI_PointBuilder::vertex(aCenter);
 196
 197   if(!anArcShape.get() || !aCenterPointShape.get()) {
 198     return AISObjectPtr();
 199   }
 200
 201   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 202   aShapes.push_back(anArcShape);
 203   aShapes.push_back(aCenterPointShape);
 204
 205   std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 206   AISObjectPtr anAIS = thePrevious;
 207   if(!anAIS.get()) {
 208     anAIS.reset(new GeomAPI_AISObject());
 209   }
 210   anAIS->createShape(aCompound);
 211   return anAIS;
 212 }
 213
 214 void SketchPlugin_MacroArc::execute()
 215 {
 216   FeaturePtr anArcFeature = createArcFeature();
 217
 218   myCenter.reset();
 219   myStart.reset();
 220   myEnd.reset();
 221
 222   // Create constraints.
 223   std::string anArcType = string(ARC_TYPE())->value();
 224   if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 225     SketchPlugin_Tools::createConstraint(this,
 226                                          CENTER_POINT_REF_ID(),
 227                                          anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 228                                          ObjectPtr(),
 229                                          false);
 230     SketchPlugin_Tools::createConstraint(this,
 231                                          START_POINT_REF_ID(),
 232                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 233                                          ObjectPtr(),
 234                                          false);
 235     SketchPlugin_Tools::createConstraint(this,
 236                                          END_POINT_REF_ID(),
 237                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 238                                          ObjectPtr(),
 239                                          false);
 240   } else if(anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 241     SketchPlugin_Tools::createConstraint(this,
 242                                          START_POINT_REF_ID(),
 243                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 244                                          ObjectPtr(),
 245                                          false);
 246     SketchPlugin_Tools::createConstraint(this,
 247                                          END_POINT_REF_ID(),
 248                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 249                                          ObjectPtr(),
 250                                          false);
 251     SketchPlugin_Tools::createConstraint(this,
 252                                          PASSED_POINT_REF_ID(),
 253                                          AttributePtr(),
 254                                          anArcFeature->lastResult(),
 255                                          true);
 256   } else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 257     // constraints for tangent arc
 258     SketchPlugin_Tools::createConstraint(this,
 259                                          TANGENT_POINT_ID(),
 260                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 261                                          ObjectPtr(),
 262                                          false);
 263     FeaturePtr aTangent = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 264     AttributeRefAttrPtr aRefAttrA = aTangent->refattr(SketchPlugin_Constraint::ENTITY_A());
 265     AttributeRefAttrPtr aTgPntRefAttr = refattr(TANGENT_POINT_ID());
 266     FeaturePtr aTgFeature = ModelAPI_Feature::feature(aTgPntRefAttr->attr()->owner());
 267     aRefAttrA->setObject(aTgFeature->lastResult());
 268     AttributeRefAttrPtr aRefAttrB = aTangent->refattr(SketchPlugin_Constraint::ENTITY_B());
 269     aRefAttrB->setObject(anArcFeature->lastResult());
 270     // constraint for end point
 271     SketchPlugin_Tools::createConstraint(this,
 272                                          END_POINT_REF_ID(),
 273                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 274                                          ObjectPtr(),
 275                                          false);
 276   }
 277
 278   // message to init reentrant operation
 279   static Events_ID anId = SketchPlugin_MacroArcReentrantMessage::eventId();
 280   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aMessage = std::shared_ptr
 281     <SketchPlugin_MacroArcReentrantMessage>(new SketchPlugin_MacroArcReentrantMessage(anId, 0));
 282
 283   std::string anEditArcType = string(EDIT_ARC_TYPE_ID())->value();
 284   aMessage->setTypeOfCreation(!anEditArcType.empty() ? anEditArcType : anArcType);
 285   aMessage->setCreatedFeature(anArcFeature);
 286   Events_Loop::loop()->send(aMessage);
 287   Events_Loop::loop()->flush(anId);
 288 }
 289
 290 std::string SketchPlugin_MacroArc::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 291 {
 292   std::string aFilledAttributeName;
 293   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aReentrantMessage =
 294         std::dynamic_pointer_cast<SketchPlugin_MacroArcReentrantMessage>(theMessage);
 295   if (aReentrantMessage.get()) {
 296     FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 297     std::string anArcType = aReentrantMessage->typeOfCreation();
 298
 299     string(ARC_TYPE())->setValue(anArcType);
 300
 301     aFilledAttributeName = ARC_TYPE();
 302     if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 303       aFilledAttributeName = TANGENT_POINT_ID();
 304       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 305                                                         attribute(aFilledAttributeName));
 306       FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 307       aRefAttr->setAttr(aCreatedFeature->attribute(SketchPlugin_Arc::END_ID()));
 308     }
 309     else {
 310       ObjectPtr anObject = aReentrantMessage->selectedObject();
 311       AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
 312       std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
 313
 314       if (aClickedPoint.get() && (anObject.get() || anAttribute.get())) {
 315         if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS() ||
 316             anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 317           std::string aReferenceAttributeName;
 318           if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 319             aFilledAttributeName = CENTER_POINT_ID();
 320             aReferenceAttributeName = CENTER_POINT_REF_ID();
 321           }
 322           else {
 323             aFilledAttributeName = START_POINT_2_ID();
 324             aReferenceAttributeName = START_POINT_REF_ID();
 325           }
 326           // fill 2d point attribute
 327           AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 328                                                             attribute(aFilledAttributeName));
 329           aPointAttr->setValue(aClickedPoint);
 330           // fill reference attribute
 331           AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 332                                                             attribute(aReferenceAttributeName));
 333           if (aRefAttr.get()) {
 334             if (anAttribute.get())
 335               aRefAttr->setAttr(anAttribute);
 336             else if (anObject.get()) {
 337               // if presentation of previous reentrant macro arc is used, the object is invalid,
 338               // we should use result of previous feature of the message(Arc)
 339               if (!anObject->data()->isValid()) {
 340                 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 341                 anObject = aCreatedFeature->lastResult();
 342               }
 343               aRefAttr->setObject(anObject);
 344             }
 345           }
 346         }
 347       }
 348     }
 349     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 350   }
 351   return aFilledAttributeName;
 352 }
 353
 354 FeaturePtr SketchPlugin_MacroArc::createArcFeature()
 355 {
 356   FeaturePtr anArcFeature = sketch()->addFeature(SketchPlugin_Arc::ID());
 357   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 358       anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(myCenter);
 359   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 360       anArcFeature->attribute(SketchPlugin_Arc::START_ID()))->setValue(myStart);
 361   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 362       anArcFeature->attribute(SketchPlugin_Arc::END_ID()))->setValue(myEnd);
 363   anArcFeature->boolean(SketchPlugin_Arc::REVERSED_ID())
 364                 ->setValue(boolean(REVERSED_ID())->value());
 365   anArcFeature->boolean(SketchPlugin_Arc::AUXILIARY_ID())
 366                 ->setValue(boolean(AUXILIARY_ID())->value());
 367   anArcFeature->execute();
 368
 369   return anArcFeature;
 370 }
 371
 372 void SketchPlugin_MacroArc::fillByCenterAndTwoPassed()
 373 {
 374   AttributePoint2DPtr aCenterPointAttr =
 375       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()));
 376   if (!aCenterPointAttr->isInitialized())
 377       return;
 378
 379   AttributePoint2DPtr aStartPointAttr =
 380       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_1_ID()));
 381   if (!aStartPointAttr->isInitialized())
 382     return;
 383
 384   myCenter = aCenterPointAttr->pnt();
 385   myStart = aStartPointAttr->pnt();
 386   myEnd = myStart;
 387
 388   AttributePoint2DPtr anEndPointAttr =
 389       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_1_ID()));
 390   if (!anEndPointAttr->isInitialized())
 391     return;
 392
 393   GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 394
 395   // End point should be a projection on circle.
 396   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 397   projectPointOnCircle(anEndPointAttr, aCircleForArc);
 398   data()->blockSendAttributeUpdated(aWasBlocked, false);
 399   myEnd = anEndPointAttr->pnt();
 400
 401   // update the REVERSED flag
 402   recalculateReversedFlagByEnd(aCircleForArc);
 403 }
 404
 405 void SketchPlugin_MacroArc::recalculateReversedFlagByEnd(const GeomAPI_Circ2d& theCurrentCircular)
 406 {
 407   double aParameterNew = 0.0;
 408   if(theCurrentCircular.parameter(myEnd, paramTolerance, aParameterNew)) {
 409     if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
 410       boolean(REVERSED_ID())->setValue(true);
 411     } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
 412       boolean(REVERSED_ID())->setValue(false);
 413     }
 414   }
 415   myParamBefore = aParameterNew;
 416 }
 417
 418 void SketchPlugin_MacroArc::fillByThreePassedPoints()
 419 {
 420   AttributePoint2DPtr aStartPointAttr =
 421       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_2_ID()));
 422   if (!aStartPointAttr->isInitialized())
 423     return;
 424
 425   AttributePoint2DPtr anEndPointAttr =
 426       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_2_ID()));
 427   if (!anEndPointAttr->isInitialized())
 428     return;
 429
 430   myStart = aStartPointAttr->pnt();
 431   myEnd = anEndPointAttr->pnt();
 432
 433   AttributePoint2DPtr aPassedPointAttr =
 434       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 435   if (aPassedPointAttr->isInitialized()) {
 436     std::shared_ptr<GeomAPI_Pnt2d> aPassedPnt;
 437     std::shared_ptr<GeomAPI_Shape> aTangentCurve;
 438     SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
 439         refattr(PASSED_POINT_REF_ID()), aPassedPointAttr, aTangentCurve, aPassedPnt);
 440
 441     std::shared_ptr<GeomAPI_Interface> aPassed;
 442     if (aTangentCurve)
 443       aPassed = aTangentCurve;
 444     else
 445       aPassed = aPassedPnt;
 446
 447     std::shared_ptr<GeomAPI_Ax3> anAxis = SketchPlugin_Sketch::plane(sketch());
 448     GeomAPI_Circ2d aCircle(myStart, myEnd, aPassed, anAxis);
 449     myCenter = aCircle.center();
 450     aCircle = GeomAPI_Circ2d(myCenter, myStart);
 451
 452     recalculateReversedFlagByPassed(aCircle);
 453   } else
 454     myCenter.reset(new GeomAPI_Pnt2d(myStart->xy()->added(myEnd->xy())->multiplied(0.5)));
 455 }
 456
 457 void SketchPlugin_MacroArc::recalculateReversedFlagByPassed(
 458     const GeomAPI_Circ2d& theCurrentCircular)
 459 {
 460   AttributePoint2DPtr aPassedAttr =
 461       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 462   std::shared_ptr<GeomAPI_Pnt2d> aPassed = theCurrentCircular.project(aPassedAttr->pnt());
 463
 464   double aEndParam, aPassedParam;
 465   theCurrentCircular.parameter(myEnd, paramTolerance, aEndParam);
 466   theCurrentCircular.parameter(aPassed, paramTolerance, aPassedParam);
 467
 468   if(aPassedParam > aEndParam)
 469     boolean(REVERSED_ID())->setValue(true);
 470   else
 471     boolean(REVERSED_ID())->setValue(false);
 472
 473   myParamBefore = aEndParam;
 474 }
 475
 476 void SketchPlugin_MacroArc::fillByTangentEdge()
 477 {
 478   AttributeRefAttrPtr aTangentAttr = refattr(TANGENT_POINT_ID());
 479   if (!aTangentAttr->isInitialized())
 480     return;
 481
 482   AttributePoint2DPtr aTangentPointAttr =
 483       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangentAttr->attr());
 484   if (!aTangentPointAttr->isInitialized())
 485     return;
 486
 487   AttributePoint2DPtr anEndPointAttr =
 488       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_3_ID()));
 489   if (!anEndPointAttr->isInitialized())
 490     return;
 491
 492   myStart = aTangentPointAttr->pnt();
 493   myEnd = anEndPointAttr->pnt();
 494   if (myStart->isEqual(myEnd))
 495     return;
 496
 497   // obtain a shape the tangent point belongs to
 498   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentPointAttr->owner());
 499   std::shared_ptr<GeomAPI_Shape> aTangentShape = aTangentFeature->lastResult()->shape();
 500
 501   std::shared_ptr<GeomAPI_Ax3> anAxis = SketchPlugin_Sketch::plane(sketch());
 502   GeomAPI_Circ2d aCircle(myStart, myEnd, aTangentShape, anAxis);
 503   myCenter = aCircle.center();
 504
 505   // rebuild circle to set start point equal to zero parameter
 506   aCircle = GeomAPI_Circ2d(myCenter, myStart);
 507   recalculateReversedFlagByEnd(aCircle);
 508 }