src/SketchPlugin/SketchPlugin_Circle.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        SketchPlugin_Circle.cpp
   4 // Created:     26 May 2014
   5 // Author:      Artem ZHIDKOV
   6
   7 #include "SketchPlugin_Circle.h"
   8 #include "SketchPlugin_Sketch.h"
   9 #include <ModelAPI_Data.h>
  10 #include <ModelAPI_ResultConstruction.h>
  11 #include <ModelAPI_AttributeSelection.h>
  12 #include <ModelAPI_Validator.h>
  13 #include <ModelAPI_AttributeDouble.h>
  14 #include <ModelAPI_Session.h>
  15
  16 #include <GeomAPI_Pnt2d.h>
  17 #include <GeomAPI_Circ.h>
  18 #include <GeomDataAPI_Point2D.h>
  19 #include <GeomDataAPI_Dir.h>
  20 #include <GeomAlgoAPI_PointBuilder.h>
  21 #include <GeomAlgoAPI_EdgeBuilder.h>
  22 #include <GeomAlgoAPI_CompoundBuilder.h>
  23
  24 SketchPlugin_Circle::SketchPlugin_Circle()
  25     : SketchPlugin_SketchEntity()
  26 {
  27 }
  28
  29 void SketchPlugin_Circle::initAttributes()
  30 {
  31   SketchPlugin_SketchEntity::initAttributes();
  32
  33   data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::typeId());
  34   data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
  35   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  36   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  37 }
  38
  39 void SketchPlugin_Circle::execute()
  40 {
  41   SketchPlugin_Sketch* aSketch = sketch();
  42   if (aSketch) {
  43     std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
  44
  45     // compute a circle point in 3D view
  46     std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
  47         GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
  48     AttributeDoublePtr aRadiusAttr =
  49       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(RADIUS_ID()));
  50     if (aCenterAttr->isInitialized() && aRadiusAttr->isInitialized()) {
  51       std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
  52       //std::cout<<"Execute circle "<<aCenter->x()<<" "<<aCenter->y()<<" "<<aCenter->z()<<std::endl;
  53       // make a visible point
  54       SketchPlugin_Sketch::createPoint2DResult(this, sketch(), CENTER_ID(), 0);
  55
  56       // make a visible circle
  57       std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
  58           aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  59       bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
  60       if (aHasPlane) {
  61         std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
  62         // compute the circle radius
  63         double aRadius = aRadiusAttr->value();
  64
  65         std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircle(
  66             aCenter, aNormal, aRadius);
  67         aShapes.push_back(aCircleShape);
  68         std::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
  69             data(), 1);
  70         aConstr2->setShape(aCircleShape);
  71         aConstr2->setIsInHistory(false);
  72         setResult(aConstr2, 1);
  73       }
  74     }
  75   }
  76 }
  77
  78 void SketchPlugin_Circle::move(double theDeltaX, double theDeltaY)
  79 {
  80   std::shared_ptr<ModelAPI_Data> aData = data();
  81   if (!aData->isValid())
  82     return;
  83
  84   std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  85       aData->attribute(CENTER_ID()));
  86   aPoint1->move(theDeltaX, theDeltaY);
  87 }
  88
  89 double SketchPlugin_Circle::distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  90 {
  91   std::shared_ptr<ModelAPI_Data> aData = data();
  92   std::shared_ptr<GeomDataAPI_Point2D> aPoint =
  93     std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CENTER_ID()));
  94
  95   return aPoint->pnt()->distance(thePoint);
  96 }
  97
  98 bool SketchPlugin_Circle::isFixed() {
  99   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
 100 }
 101
 102 void SketchPlugin_Circle::attributeChanged(const std::string& theID) {
 103   if (theID == EXTERNAL_ID()) {
 104     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 105     // update arguments due to the selection value
 106     if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 107       std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
 108       std::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
 109       std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 110         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 111       aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
 112       real(RADIUS_ID())->setValue(aCirc->radius());
 113     }
 114   }
 115 }