- bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
- if (aHasPlane) {
- boost::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
- boost::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
-
- // compute and change the arc end point
- boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
- boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(
- SketchPlugin_Arc::END_ID()));
- if (anEndAttr->isInitialized())
- {
- boost::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
- new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
- boost::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
- if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
- anEndAttr->setValue(aProjection);
- }
- boost::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
-
- boost::shared_ptr<GeomAPI_Shape> aCircleShape =
- GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
- if (aCircleShape) {
- boost::shared_ptr<ModelAPI_ResultConstruction> aConstr2 =
- document()->createConstruction(data(), 1);
- aConstr2->setShape(aCircleShape);
- aConstr2->setIsInHistory(false);
- setResult(aConstr2, 1);
- //aShapes.push_back(aCircleShape);
+ std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
+ std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
+
+ // compute and change the arc end point
+ std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(END_ID()));
+ /* must be automatically done in attributeChanged
+ std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
+ new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
+ std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
+ if (aProjection && anEndAttr->pnt()->distance(aProjection) > tolerance)
+ anEndAttr->setValue(aProjection);
+ */
+ std::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
+
+ std::shared_ptr<GeomAPI_Dir> anXDir(new GeomAPI_Dir(aStartPoint->xyz()->decreased(aCenter->xyz())));
+ std::shared_ptr<GeomAPI_Ax2> anAx2(new GeomAPI_Ax2(aCenter, aNormal, anXDir));
+ std::shared_ptr<GeomAPI_Circ> aCirc(new GeomAPI_Circ(anAx2, aCenter->distance(aStartPoint)));
+ double aParameterNew = 0.0;
+ if(aCirc->parameter(aEndPoint, paramTolerance, aParameterNew)) {
+ if(0 < myParamBefore && myParamBefore <= PI / 2.0
+ && PI * 1.5 < aParameterNew && aParameterNew <= PI * 2.0) {
+ myForwardDirection = false;
+ } else if(PI * 1.5 < myParamBefore && myParamBefore <= PI * 2.0
+ && 0 < aParameterNew && aParameterNew <= PI / 2.0) {
+ myForwardDirection = true;
+ }
+ }
+ myParamBefore = aParameterNew;
+
+ std::shared_ptr<GeomAPI_Shape> aCircleShape;
+ if(myForwardDirection) {
+ aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
+ } else {
+ aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aEndPoint, aStartPoint, aNormal);
+ }
+
+ if (aCircleShape) {
+ std::shared_ptr<ModelAPI_ResultConstruction> aConstr2 = document()->createConstruction(
+ data(), 1);
+ aConstr2->setShape(aCircleShape);
+ aConstr2->setIsInHistory(false);
+ setResult(aConstr2, 1);
+ }
+ }
+}
+
+AISObjectPtr SketchPlugin_Arc::getAISObject(AISObjectPtr thePrevious)
+{
+ SketchPlugin_Sketch* aSketch = sketch();
+ if (aSketch) {
+ // if the feature is valid, the execute() method should be performed, AIS object is empty
+ if (!isFeatureValid()) {
+ // compute a circle point in 3D view
+ std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
+ if (aCenterAttr->isInitialized()) {
+ std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
+
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Arc::START_ID()));
+ if (aStartAttr->isInitialized()) {
+ // make a visible circle
+ std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
+ aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
+ bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
+ if (aHasPlane) {
+ std::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
+ std::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
+ std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
+ aCenter, aStartPoint, aStartPoint, aNormal);
+ if (aCircleShape) {
+ std::list<std::shared_ptr<GeomAPI_Shape> > aShapes;
+ // make a visible point
+ std::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
+ aShapes.push_back(aCenterPointShape);
+
+ aShapes.push_back(aCircleShape);
+ if (!aShapes.empty())
+ {
+ std::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
+ AISObjectPtr anAIS = thePrevious;
+ if (!anAIS)
+ anAIS = AISObjectPtr(new GeomAPI_AISObject);
+ anAIS->createShape(aCompound);
+ anAIS->setWidth(3);
+ return anAIS;
+ }
+ }
+ }