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   if(myCenter.get()) {
 219     // center attribute is used in processEvent() to set reference to reentrant arc
 220     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()))
 221         ->setValue(myCenter);
 222   }
 223   real(RADIUS_ID())->setValue(aRadius);
 224   real(ANGLE_ID())->setValue(anAngle);
 225   data()->blockSendAttributeUpdated(aWasBlocked, false);
 226 }
 227
 228 GeomShapePtr SketchPlugin_MacroArc::getArcShape(bool isBound)
 229 {
 230   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 231     return GeomShapePtr();
 232   }
 233
 234   SketchPlugin_Sketch* aSketch = sketch();
 235   if(!aSketch) {
 236     return GeomShapePtr();
 237   }
 238
 239   std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(myCenter->x(), myCenter->y()));
 240   std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(myStart->x(), myStart->y()));
 241   std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(myEnd->x(), myEnd->y()));
 242   std::shared_ptr<GeomDataAPI_Dir> aNDir =
 243     std::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->attribute(SketchPlugin_Sketch::NORM_ID()));
 244   std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
 245
 246   GeomShapePtr anArcShape;
 247   if (isBound) {
 248     anArcShape = boolean(REVERSED_ID())->value() ?
 249         GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
 250       : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
 251   } else {
 252     double aRadius = aCenter->distance(aStart);
 253     anArcShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
 254   }
 255
 256   return anArcShape;
 257 }
 258
 259 AISObjectPtr SketchPlugin_MacroArc::getAISObject(AISObjectPtr thePrevious)
 260 {
 261   if(!myStart.get() || !myEnd.get() || !myCenter.get()) {
 262     return AISObjectPtr();
 263   }
 264
 265   SketchPlugin_Sketch* aSketch = sketch();
 266   if(!aSketch) {
 267     return AISObjectPtr();
 268   }
 269
 270   GeomShapePtr anArcShape = getArcShape();
 271   std::shared_ptr<GeomAPI_Pnt> aCenter = aSketch->to3D(myCenter->x(), myCenter->y());;
 272   GeomShapePtr aCenterPointShape = GeomAlgoAPI_PointBuilder::vertex(aCenter);
 273
 274   if(!anArcShape.get() || !aCenterPointShape.get()) {
 275     return AISObjectPtr();
 276   }
 277
 278   std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
 279   aShapes.push_back(anArcShape);
 280   aShapes.push_back(aCenterPointShape);
 281
 282   std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
 283   AISObjectPtr anAIS = thePrevious;
 284   if(!anAIS.get()) {
 285     anAIS.reset(new GeomAPI_AISObject());
 286   }
 287   anAIS->createShape(aCompound);
 288   return anAIS;
 289 }
 290
 291 void SketchPlugin_MacroArc::execute()
 292 {
 293   FeaturePtr anArcFeature = createArcFeature();
 294
 295   myCenter.reset();
 296   myStart.reset();
 297   myEnd.reset();
 298
 299   // Create constraints.
 300   std::string anArcType = string(ARC_TYPE())->value();
 301   if(anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 302     SketchPlugin_Tools::createConstraint(this,
 303                                          CENTER_POINT_REF_ID(),
 304                                          anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()),
 305                                          ObjectPtr(),
 306                                          false);
 307     SketchPlugin_Tools::createConstraint(this,
 308                                          START_POINT_REF_ID(),
 309                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 310                                          ObjectPtr(),
 311                                          false);
 312     SketchPlugin_Tools::createConstraint(this,
 313                                          END_POINT_REF_ID(),
 314                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 315                                          ObjectPtr(),
 316                                          false);
 317   } else if(anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 318     SketchPlugin_Tools::createConstraint(this,
 319                                          START_POINT_REF_ID(),
 320                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 321                                          ObjectPtr(),
 322                                          false);
 323     SketchPlugin_Tools::createConstraint(this,
 324                                          END_POINT_REF_ID(),
 325                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 326                                          ObjectPtr(),
 327                                          false);
 328     SketchPlugin_Tools::createConstraint(this,
 329                                          PASSED_POINT_REF_ID(),
 330                                          AttributePtr(),
 331                                          anArcFeature->lastResult(),
 332                                          true);
 333   } else if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 334     // constraints for tangent arc
 335     SketchPlugin_Tools::createConstraint(this,
 336                                          TANGENT_POINT_ID(),
 337                                          anArcFeature->attribute(SketchPlugin_Arc::START_ID()),
 338                                          ObjectPtr(),
 339                                          false);
 340     FeaturePtr aTangent = sketch()->addFeature(SketchPlugin_ConstraintTangent::ID());
 341     AttributeRefAttrPtr aRefAttrA = aTangent->refattr(SketchPlugin_Constraint::ENTITY_A());
 342     AttributeRefAttrPtr aTgPntRefAttr = refattr(TANGENT_POINT_ID());
 343     FeaturePtr aTgFeature = ModelAPI_Feature::feature(aTgPntRefAttr->attr()->owner());
 344     aRefAttrA->setObject(aTgFeature->lastResult());
 345     AttributeRefAttrPtr aRefAttrB = aTangent->refattr(SketchPlugin_Constraint::ENTITY_B());
 346     aRefAttrB->setObject(anArcFeature->lastResult());
 347     // constraint for end point
 348     SketchPlugin_Tools::createConstraint(this,
 349                                          END_POINT_REF_ID(),
 350                                          anArcFeature->attribute(SketchPlugin_Arc::END_ID()),
 351                                          ObjectPtr(),
 352                                          false);
 353   }
 354
 355   // message to init reentrant operation
 356   static Events_ID anId = SketchPlugin_MacroArcReentrantMessage::eventId();
 357   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aMessage = std::shared_ptr
 358     <SketchPlugin_MacroArcReentrantMessage>(new SketchPlugin_MacroArcReentrantMessage(anId, 0));
 359
 360   std::string anEditArcType = string(EDIT_ARC_TYPE_ID())->value();
 361   aMessage->setTypeOfCreation(!anEditArcType.empty() ? anEditArcType : anArcType);
 362   aMessage->setCreatedFeature(anArcFeature);
 363   Events_Loop::loop()->send(aMessage);
 364 }
 365
 366 std::string SketchPlugin_MacroArc::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 367 {
 368   std::string aFilledAttributeName;
 369   std::shared_ptr<SketchPlugin_MacroArcReentrantMessage> aReentrantMessage =
 370         std::dynamic_pointer_cast<SketchPlugin_MacroArcReentrantMessage>(theMessage);
 371   if (aReentrantMessage.get()) {
 372     FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 373     std::string anArcType = aReentrantMessage->typeOfCreation();
 374
 375     string(ARC_TYPE())->setValue(anArcType);
 376
 377     aFilledAttributeName = ARC_TYPE();
 378     if(anArcType == ARC_TYPE_BY_TANGENT_EDGE()) {
 379       aFilledAttributeName = TANGENT_POINT_ID();
 380       AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 381                                                         attribute(aFilledAttributeName));
 382       FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 383       aRefAttr->setAttr(aCreatedFeature->attribute(SketchPlugin_Arc::END_ID()));
 384     }
 385     else {
 386       ObjectPtr anObject = aReentrantMessage->selectedObject();
 387       AttributePtr anAttribute = aReentrantMessage->selectedAttribute();
 388       std::shared_ptr<GeomAPI_Pnt2d> aClickedPoint = aReentrantMessage->clickedPoint();
 389
 390       if (aClickedPoint.get() && (anObject.get() || anAttribute.get())) {
 391         if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS() ||
 392             anArcType == ARC_TYPE_BY_THREE_POINTS()) {
 393           std::string aReferenceAttributeName;
 394           if (anArcType == ARC_TYPE_BY_CENTER_AND_POINTS()) {
 395             aFilledAttributeName = CENTER_POINT_ID();
 396             aReferenceAttributeName = CENTER_POINT_REF_ID();
 397           }
 398           else {
 399             aFilledAttributeName = START_POINT_2_ID();
 400             aReferenceAttributeName = START_POINT_REF_ID();
 401           }
 402           // fill 2d point attribute
 403           AttributePoint2DPtr aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 404                                                             attribute(aFilledAttributeName));
 405           aPointAttr->setValue(aClickedPoint);
 406           // fill reference attribute
 407           AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 408                                                           attribute(aReferenceAttributeName));
 409           if (aRefAttr.get()) {
 410             if (anAttribute.get()) {
 411               if (!anAttribute->owner().get() || !anAttribute->owner()->data()->isValid()) {
 412                 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 413                 if (aCreatedFeature.get()) {
 414                   std::string anID = anAttribute->id();
 415                   std::string anArcID;
 416                   if (anID == END_POINT_1_ID() || anID == END_POINT_2_ID() ||
 417                       anID == END_POINT_3_ID())
 418                     anArcID = SketchPlugin_Arc::END_ID();
 419                   else if (anID == START_POINT_1_ID() || anID ==START_POINT_2_ID())
 420                     anArcID = SketchPlugin_Arc::START_ID();
 421                   else if (anID == CENTER_POINT_ID())
 422                     anArcID = SketchPlugin_Arc::CENTER_ID();
 423                   anAttribute = aCreatedFeature->attribute(anArcID);
 424                 }
 425               }
 426               aRefAttr->setAttr(anAttribute);
 427             }
 428             else if (anObject.get()) {
 429               // if presentation of previous reentrant macro arc is used, the object is invalid,
 430               // we should use result of previous feature of the message(Arc)
 431               if (!anObject->data()->isValid()) {
 432                 FeaturePtr aCreatedFeature = aReentrantMessage->createdFeature();
 433                 if (aCreatedFeature.get())
 434                   anObject = aCreatedFeature->lastResult();
 435               }
 436               aRefAttr->setObject(anObject);
 437             }
 438           }
 439         }
 440       }
 441     }
 442     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
 443   }
 444   return aFilledAttributeName;
 445 }
 446
 447 FeaturePtr SketchPlugin_MacroArc::createArcFeature()
 448 {
 449   FeaturePtr anArcFeature = sketch()->addFeature(SketchPlugin_Arc::ID());
 450   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 451       anArcFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->setValue(myCenter);
 452   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 453       anArcFeature->attribute(SketchPlugin_Arc::START_ID()))->setValue(myStart);
 454   std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 455       anArcFeature->attribute(SketchPlugin_Arc::END_ID()))->setValue(myEnd);
 456   anArcFeature->boolean(SketchPlugin_Arc::REVERSED_ID())
 457                 ->setValue(boolean(REVERSED_ID())->value());
 458   anArcFeature->boolean(SketchPlugin_Arc::AUXILIARY_ID())
 459                 ->setValue(boolean(AUXILIARY_ID())->value());
 460   anArcFeature->execute();
 461
 462   return anArcFeature;
 463 }
 464
 465 void SketchPlugin_MacroArc::fillByCenterAndTwoPassed()
 466 {
 467   AttributePoint2DPtr aCenterPointAttr =
 468       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_POINT_ID()));
 469   if (!aCenterPointAttr->isInitialized())
 470       return;
 471
 472   AttributePoint2DPtr aStartPointAttr =
 473       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_1_ID()));
 474   if (!aStartPointAttr->isInitialized())
 475     return;
 476
 477   myCenter = aCenterPointAttr->pnt();
 478   myStart = aStartPointAttr->pnt();
 479   myEnd = myStart;
 480
 481   AttributePoint2DPtr anEndPointAttr =
 482       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_1_ID()));
 483   if (!anEndPointAttr->isInitialized())
 484     return;
 485
 486   GeomAPI_Circ2d aCircleForArc(myCenter, myStart);
 487
 488   bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 489   // check the end point is referred to another feature
 490   GeomShapePtr aRefShape;
 491   AttributeRefAttrPtr aEndPointRefAttr = refattr(END_POINT_REF_ID());
 492   if (aEndPointRefAttr && aEndPointRefAttr->isInitialized()) {
 493     if (aEndPointRefAttr->isObject()) {
 494       FeaturePtr aFeature = ModelAPI_Feature::feature(aEndPointRefAttr->object());
 495       if (aFeature)
 496         aRefShape = aFeature->lastResult()->shape();
 497     }
 498   }
 499   if (aRefShape) {
 500     // Calculate end point as an intersection between circle and another shape
 501     intersectShapeAndCircle(aRefShape, aCircleForArc, sketch(), anEndPointAttr);
 502   } else {
 503     // End point should be a projection on circle.
 504     projectPointOnCircle(anEndPointAttr, aCircleForArc);
 505   }
 506   data()->blockSendAttributeUpdated(aWasBlocked, false);
 507   myEnd = anEndPointAttr->pnt();
 508
 509   // update the REVERSED flag
 510   recalculateReversedFlagByEnd(aCircleForArc);
 511 }
 512
 513 void SketchPlugin_MacroArc::recalculateReversedFlagByEnd(const GeomAPI_Circ2d& theCurrentCircular)
 514 {
 515   double aParameterNew = 0.0;
 516   if(theCurrentCircular.parameter(myEnd, paramTolerance, aParameterNew)) {
 517     if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
 518       boolean(REVERSED_ID())->setValue(true);
 519     } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
 520       boolean(REVERSED_ID())->setValue(false);
 521     }
 522   }
 523   myParamBefore = aParameterNew;
 524 }
 525
 526 void SketchPlugin_MacroArc::fillByThreePassedPoints()
 527 {
 528   AttributePoint2DPtr aStartPointAttr =
 529       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_2_ID()));
 530   if (!aStartPointAttr->isInitialized())
 531     return;
 532
 533   AttributePoint2DPtr anEndPointAttr =
 534       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_2_ID()));
 535   if (!anEndPointAttr->isInitialized())
 536     return;
 537
 538   myStart = aStartPointAttr->pnt();
 539   myEnd = anEndPointAttr->pnt();
 540
 541   AttributePoint2DPtr aPassedPointAttr =
 542       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 543   if (aPassedPointAttr->isInitialized()) {
 544     std::shared_ptr<GeomAPI_Pnt2d> aPassedPnt;
 545     std::shared_ptr<GeomAPI_Shape> aTangentCurve;
 546     SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
 547         refattr(PASSED_POINT_REF_ID()), aPassedPointAttr, aTangentCurve, aPassedPnt);
 548
 549     GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 550     aCircBuilder.addPassingPoint(myStart);
 551     aCircBuilder.addPassingPoint(myEnd);
 552     if (aTangentCurve) {
 553       aCircBuilder.addTangentCurve(aTangentCurve);
 554       aCircBuilder.setClosestPoint(aPassedPointAttr->pnt());
 555     } else
 556       aCircBuilder.addPassingPoint(aPassedPnt);
 557
 558     std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 559     if (!aCircle)
 560       return;
 561     myCenter = aCircle->center();
 562
 563     aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 564     recalculateReversedFlagByPassed(*aCircle);
 565   } else
 566     myCenter.reset(new GeomAPI_Pnt2d(myStart->xy()->added(myEnd->xy())->multiplied(0.5)));
 567 }
 568
 569 void SketchPlugin_MacroArc::recalculateReversedFlagByPassed(
 570     const GeomAPI_Circ2d& theCurrentCircular)
 571 {
 572   AttributePoint2DPtr aPassedAttr =
 573       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(PASSED_POINT_ID()));
 574   std::shared_ptr<GeomAPI_Pnt2d> aPassed = theCurrentCircular.project(aPassedAttr->pnt());
 575
 576   double aEndParam, aPassedParam;
 577   theCurrentCircular.parameter(myEnd, paramTolerance, aEndParam);
 578   theCurrentCircular.parameter(aPassed, paramTolerance, aPassedParam);
 579
 580   if(aPassedParam > aEndParam)
 581     boolean(REVERSED_ID())->setValue(true);
 582   else
 583     boolean(REVERSED_ID())->setValue(false);
 584
 585   myParamBefore = aEndParam;
 586 }
 587
 588 void SketchPlugin_MacroArc::fillByTangentEdge()
 589 {
 590   AttributeRefAttrPtr aTangentAttr = refattr(TANGENT_POINT_ID());
 591   if (!aTangentAttr->isInitialized())
 592     return;
 593
 594   AttributePoint2DPtr aTangentPointAttr =
 595       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aTangentAttr->attr());
 596   if (!aTangentPointAttr->isInitialized())
 597     return;
 598
 599   AttributePoint2DPtr anEndPointAttr =
 600       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_3_ID()));
 601   if (!anEndPointAttr->isInitialized())
 602     return;
 603
 604   myStart = aTangentPointAttr->pnt();
 605   myEnd = anEndPointAttr->pnt();
 606   if (myStart->isEqual(myEnd))
 607     return;
 608
 609   // obtain a shape the tangent point belongs to
 610   FeaturePtr aTangentFeature = ModelAPI_Feature::feature(aTangentPointAttr->owner());
 611   std::shared_ptr<GeomAPI_Shape> aTangentShape = aTangentFeature->lastResult()->shape();
 612
 613   GeomAlgoAPI_Circ2dBuilder aCircBuilder(SketchPlugin_Sketch::plane(sketch()));
 614   aCircBuilder.addPassingPoint(myStart);
 615   aCircBuilder.addPassingPoint(myEnd);
 616   aCircBuilder.addTangentCurve(aTangentShape);
 617
 618   std::shared_ptr<GeomAPI_Circ2d> aCircle = aCircBuilder.circle();
 619   myCenter = aCircle->center();
 620
 621   // rebuild circle to set start point equal to zero parameter
 622   aCircle = std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(myCenter, myStart));
 623   recalculateReversedFlagByEnd(*aCircle);
 624 }