1 // File: SketchPlugin_Arc.cpp
2 // Created: 26 Apr 2014
3 // Author: Artem ZHIDKOV
5 #include "SketchPlugin_Arc.h"
6 #include "SketchPlugin_Sketch.h"
7 #include <ModelAPI_Data.h>
9 #include <GeomAPI_Circ2d.h>
10 #include <GeomAPI_Pnt2d.h>
12 #include <GeomDataAPI_Point2D.h>
13 #include <GeomDataAPI_Dir.h>
15 #include <GeomAlgoAPI_PointBuilder.h>
16 #include <GeomAlgoAPI_EdgeBuilder.h>
17 #include <GeomAlgoAPI_CompoundBuilder.h>
19 #include <Precision.hxx>
21 SketchPlugin_Arc::SketchPlugin_Arc()
22 : SketchPlugin_Feature()
26 void SketchPlugin_Arc::initAttributes()
28 data()->addAttribute(ARC_ATTR_CENTER, GeomDataAPI_Point2D::type());
29 data()->addAttribute(ARC_ATTR_START, GeomDataAPI_Point2D::type());
30 data()->addAttribute(ARC_ATTR_END, GeomDataAPI_Point2D::type());
33 void SketchPlugin_Arc::execute()
37 const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Arc::preview()
39 SketchPlugin_Sketch* aSketch = sketch();
41 std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
43 // compute a circle point in 3D view
44 boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
45 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_CENTER));
46 // compute the arc start point
47 boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
48 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_START));
49 if (aCenterAttr->isInitialized() && aStartAttr->isInitialized()) {
50 boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
51 // make a visible point
52 boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
53 aShapes.push_back(aCenterPointShape);
55 // make a visible circle
56 boost::shared_ptr<GeomDataAPI_Dir> aNDir =
57 boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
58 bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
60 boost::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
61 boost::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
63 // compute and change the arc end point
64 boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
65 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_END));
66 if (anEndAttr->isInitialized())
68 boost::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
69 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
70 boost::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
71 if (aProjection && anEndAttr->pnt()->distance(aProjection) > Precision::Confusion())
72 anEndAttr->setValue(aProjection);
74 boost::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
76 boost::shared_ptr<GeomAPI_Shape> aCircleShape =
77 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
79 aShapes.push_back(aCircleShape);
81 boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
82 setPreview(aCompound);
88 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
90 boost::shared_ptr<ModelAPI_Data> aData = data();
91 if (!aData->isValid())
94 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
95 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
96 aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
98 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
99 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
100 aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
102 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
103 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
104 aPoint3->setValue(aPoint3->x() + theDeltaX, aPoint3->y() + theDeltaY);
107 double SketchPlugin_Arc::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
110 boost::shared_ptr<ModelAPI_Data> aData = data();
112 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
113 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
114 aDelta = aPoint1->pnt()->distance(thePoint);
116 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
117 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
118 double aDistance = aPoint2->pnt()->distance(thePoint);
119 if (aDelta < aDistance)
122 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
123 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
124 aDistance = aPoint3->pnt()->distance(thePoint);
125 if (aDelta < aDistance)