src/SketchPlugin/SketchPlugin_Arc.cpp

   1 // File:        SketchPlugin_Arc.cpp
   2 // Created:     26 Apr 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include "SketchPlugin_Arc.h"
   6 #include "SketchPlugin_Sketch.h"
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_ResultConstruction.h>
   9
  10 #include <GeomAPI_Circ2d.h>
  11 #include <GeomAPI_Pnt2d.h>
  12 #include <GeomDataAPI_Point2D.h>
  13 #include <GeomDataAPI_Dir.h>
  14 #include <GeomAlgoAPI_PointBuilder.h>
  15 #include <GeomAlgoAPI_EdgeBuilder.h>
  16 #include <GeomAlgoAPI_CompoundBuilder.h>
  17
  18 const double tolerance = 1e-7;
  19
  20 SketchPlugin_Arc::SketchPlugin_Arc()
  21     : SketchPlugin_Feature()
  22 {
  23 }
  24
  25 void SketchPlugin_Arc::initAttributes()
  26 {
  27   data()->addAttribute(SketchPlugin_Arc::CENTER_ID(), GeomDataAPI_Point2D::type());
  28   data()->addAttribute(SketchPlugin_Arc::START_ID(), GeomDataAPI_Point2D::type());
  29   data()->addAttribute(SketchPlugin_Arc::END_ID(), GeomDataAPI_Point2D::type());
  30 }
  31
  32 void SketchPlugin_Arc::execute()
  33 {
  34   SketchPlugin_Sketch* aSketch = sketch();
  35   if (aSketch) {
  36     std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
  37
  38     // compute a circle point in 3D view
  39     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = boost::dynamic_pointer_cast<
  40         GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::CENTER_ID()));
  41     // compute the arc start point
  42     boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr = boost::dynamic_pointer_cast<
  43         GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
  44     if (aCenterAttr->isInitialized() && aStartAttr->isInitialized()) {
  45       boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
  46       // make a visible point
  47       boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
  48       //aShapes.push_back(aCenterPointShape);
  49       boost::shared_ptr<ModelAPI_ResultConstruction> aConstr1 = document()->createConstruction(
  50           data(), 0);
  51       aConstr1->setShape(aCenterPointShape);
  52       aConstr1->setIsInHistory(false);
  53       setResult(aConstr1, 0);
  54
  55       // make a visible circle
  56       boost::shared_ptr<GeomDataAPI_Dir> aNDir = boost::dynamic_pointer_cast<GeomDataAPI_Dir>(
  57           aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  58       bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
  59       if (aHasPlane) {
  60         boost::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
  61         boost::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  62
  63         // compute and change the arc end point
  64         boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr = boost::dynamic_pointer_cast<
  65             GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::END_ID()));
  66         if (anEndAttr->isInitialized()) {
  67           boost::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
  68               new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
  69           boost::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
  70           if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
  71             anEndAttr->setValue(aProjection);
  72         }
  73         boost::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  74
  75         boost::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
  76             aCenter, aStartPoint, aEndPoint, aNormal);
  77         if (aCircleShape) {
  78           boost::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
  79               data(), 1);
  80           aConstr2->setShape(aCircleShape);
  81           aConstr2->setIsInHistory(false);
  82           setResult(aConstr2, 1);
  83           //aShapes.push_back(aCircleShape);
  84         }
  85       }
  86       /*
  87        boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
  88        // store the result
  89        boost::shared_ptr<ModelAPI_ResultConstruction> aConstr =
  90        document()->createConstruction(data());
  91        aConstr->setShape(aCompound);
  92        aConstr->setIsInHistory(false);
  93        setResult(aConstr);
  94        */
  95     }
  96   }
  97 }
  98
  99 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
 100 {
 101   boost::shared_ptr<ModelAPI_Data> aData = data();
 102   if (!aData->isValid())
 103     return;
 104
 105   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 106       aData->attribute(SketchPlugin_Arc::CENTER_ID()));
 107   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
 108
 109   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 110       aData->attribute(SketchPlugin_Arc::START_ID()));
 111   aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
 112
 113   boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 114       aData->attribute(SketchPlugin_Arc::END_ID()));
 115   aPoint3->setValue(aPoint3->x() + theDeltaX, aPoint3->y() + theDeltaY);
 116 }
 117
 118 double SketchPlugin_Arc::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 119 {
 120   double aDelta = 0;
 121   boost::shared_ptr<ModelAPI_Data> aData = data();
 122
 123   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 124       aData->attribute(SketchPlugin_Arc::CENTER_ID()));
 125   aDelta = aPoint1->pnt()->distance(thePoint);
 126
 127   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 128       aData->attribute(SketchPlugin_Arc::START_ID()));
 129   double aDistance = aPoint2->pnt()->distance(thePoint);
 130   if (aDelta < aDistance)
 131     aDelta = aDistance;
 132
 133   boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 134       aData->attribute(SketchPlugin_Arc::END_ID()));
 135   aDistance = aPoint3->pnt()->distance(thePoint);
 136   if (aDelta < aDistance)
 137     aDelta = aDistance;
 138
 139   return aDelta;
 140 }