1 // File: SketchPlugin_Circle.cpp
2 // Created: 26 May 2014
3 // Author: Artem ZHIDKOV
5 #include "SketchPlugin_Circle.h"
6 #include "SketchPlugin_Sketch.h"
7 #include <ModelAPI_Data.h>
8 #include <GeomDataAPI_Point2D.h>
9 #include <GeomAlgoAPI_PointBuilder.h>
10 #include <GeomAlgoAPI_EdgeBuilder.h>
11 #include <GeomAlgoAPI_CompoundBuilder.h>
12 #include <GeomDataAPI_Dir.h>
14 #include <ModelAPI_AttributeDouble.h>
16 SketchPlugin_Circle::SketchPlugin_Circle()
17 : SketchPlugin_Feature()
21 void SketchPlugin_Circle::initAttributes()
23 data()->addAttribute(CIRCLE_ATTR_CENTER, GeomDataAPI_Point2D::type());
24 data()->addAttribute(CIRCLE_ATTR_RADIUS, ModelAPI_AttributeDouble::type());
27 void SketchPlugin_Circle::execute()
31 const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Circle::preview()
33 SketchPlugin_Sketch* aSketch = sketch();
35 // compute a circle point in 3D view
36 boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
37 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CIRCLE_ATTR_CENTER));
38 boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
40 // compute the circle radius
41 boost::shared_ptr<ModelAPI_AttributeDouble> aRadiusAttr =
42 boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CIRCLE_ATTR_RADIUS));
43 double aRadius = aRadiusAttr->value();
45 std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
46 // make a visible point
47 boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
48 aShapes.push_back(aCenterPointShape);
50 // make a visible circle
51 boost::shared_ptr<GeomDataAPI_Dir> aNDir =
52 boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
53 bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
55 boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
57 boost::shared_ptr<GeomAPI_Shape> aCircleShape =
58 GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
59 aShapes.push_back(aCircleShape);
61 boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
62 setPreview(aCompound);
65 /// \todo Implement preview for the circle