#include <ModelAPI_Validator.h>
#include <ModelAPI_Session.h>
+#include <GeomAPI_Ax2.h>
#include <GeomAPI_Circ2d.h>
#include <GeomAPI_Circ.h>
#include <GeomAPI_Pnt2d.h>
#include <math.h>
const double tolerance = 1e-7;
+const double paramTolerance = 1.e-4;
+const double PI =3.141592653589793238463;
SketchPlugin_Arc::SketchPlugin_Arc()
: SketchPlugin_SketchEntity()
// default values
myXEndBefore = 0;
myYEndBefore = 0;
+
+ myForwardDirection = true;
+ myParamBefore = 0;
}
void SketchPlugin_Arc::initAttributes()
*/
std::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
- std::shared_ptr<GeomAPI_Shape> aCircleShape = GeomAlgoAPI_EdgeBuilder::lineCircleArc(
- aCenter, aStartPoint, aEndPoint, aNormal);
+ 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);