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