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>
8 #include <ModelAPI_ResultConstruction.h>
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>
18 const double tolerance = 1e-7;
20 SketchPlugin_Arc::SketchPlugin_Arc()
21 : SketchPlugin_Feature()
25 void SketchPlugin_Arc::initAttributes()
27 data()->addAttribute(ARC_ATTR_CENTER, GeomDataAPI_Point2D::type());
28 data()->addAttribute(ARC_ATTR_START, GeomDataAPI_Point2D::type());
29 data()->addAttribute(ARC_ATTR_END, GeomDataAPI_Point2D::type());
32 void SketchPlugin_Arc::execute()
34 SketchPlugin_Sketch* aSketch = sketch();
36 std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
38 // compute a circle point in 3D view
39 boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
40 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_CENTER));
41 // compute the arc start point
42 boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
43 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_START));
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);
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 = aNDir->dir();
56 boost::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
58 // compute and change the arc end point
59 boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
60 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_END));
61 if (anEndAttr->isInitialized())
63 boost::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
64 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
65 boost::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
66 if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
67 anEndAttr->setValue(aProjection);
69 boost::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
71 boost::shared_ptr<GeomAPI_Shape> aCircleShape =
72 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
74 aShapes.push_back(aCircleShape);
76 boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
78 boost::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction();
79 aConstr->setShape(aCompound);
80 results().push_back(aConstr);
85 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
87 boost::shared_ptr<ModelAPI_Data> aData = data();
88 if (!aData->isValid())
91 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
92 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
93 aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
95 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
96 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
97 aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
99 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
100 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
101 aPoint3->setValue(aPoint3->x() + theDeltaX, aPoint3->y() + theDeltaY);
104 double SketchPlugin_Arc::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
107 boost::shared_ptr<ModelAPI_Data> aData = data();
109 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
110 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
111 aDelta = aPoint1->pnt()->distance(thePoint);
113 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
114 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
115 double aDistance = aPoint2->pnt()->distance(thePoint);
116 if (aDelta < aDistance)
119 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
120 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
121 aDistance = aPoint3->pnt()->distance(thePoint);
122 if (aDelta < aDistance)