public void PointOnSegmentCircle()
{
var sketch = Sketch.Create();
var p1 = sketch.AddPoint(new Pnt2d(3, -10));
var p2 = sketch.AddPoint(new Pnt2d(3, 10));
var circle = new SketchSegmentCircle(p1, p2);
var s1 = sketch.AddSegment(circle);
var p3 = sketch.AddPoint(new Pnt2d(-5, -5));
var p4 = sketch.AddPoint(new Pnt2d(20, 20));
var s2 = sketch.AddSegment(new SketchSegmentLine(p3, p4));
var c1 = sketch.AddConstraint(new SketchConstraintPointOnSegment(p3, s1));
Assert.IsTrue(sketch.SolveConstraints(true));
var pointOnCurve = new Geom2dAPI_ProjectPointOnCurve(sketch.Points[p3], circle.MakeCurve(sketch.Points));
Assert.AreEqual(2, pointOnCurve.NbPoints());
Assert.AreEqual(0.0, pointOnCurve.Distance(2), MaxLengthDelta);
// Out of range
sketch.Points[p3] = new Pnt2d(18, 18);
Assert.IsTrue(sketch.SolveConstraints(true));
pointOnCurve = new Geom2dAPI_ProjectPointOnCurve(sketch.Points[p3], circle.MakeCurve(sketch.Points));
Assert.AreEqual(2, pointOnCurve.NbPoints());
Assert.AreEqual(0.0, pointOnCurve.Distance(2), MaxLengthDelta);
}
//--------------------------------------------------------------------------------------------------
void _AddCircleSegment(SketchSegmentCircle circleSegment)
{
var p1 = _Sketch.Points[circleSegment.CenterPoint];
var radius = circleSegment.Radius(_Sketch.Points);
var entity = new DxfDomCircle("0", p1, radius);
_Document.Entities.Add(entity);
}
public void EqualCircles()
{
var sketch = Sketch.Create();
var p1 = sketch.AddPoint(new Pnt2d(0, -10));
var p2 = sketch.AddPoint(new Pnt2d(0, 10));
var circle1 = new SketchSegmentCircle(p1, p2);
var s1 = sketch.AddSegment(circle1);
var p3 = sketch.AddPoint(new Pnt2d(-5, -5));
var p4 = sketch.AddPoint(new Pnt2d(5, 5));
var circle2 = new SketchSegmentCircle(p3, p4);
var s2 = sketch.AddSegment(circle2);
var c1 = sketch.AddConstraint(new SketchConstraintEqual(s1, s2));
Assert.IsTrue(sketch.SolveConstraints(true));
Assert.AreEqual(circle1.Radius(sketch.Points), circle2.Radius(sketch.Points), MaxLengthDelta);
}
//--------------------------------------------------------------------------------------------------
void _OnActionFinished(ToolAction toolAction)
{
if (toolAction == _PointAction)
{
if (_Segment == null)
{
_Points.Add(0, _PointAction.Point);
_MergePointIndices[0] = _PointAction.MergeCandidateIndex;
_Points.Add(1, _PointAction.Point);
_Segment = new SketchSegmentCircle(0, 1);
_Marker = new Marker(_SketchEditorTool.WorkspaceController, Marker.Styles.Bitmap | Marker.Styles.Topmost, Marker.BallImage);
_Marker.Set(_PointAction.Point, _SketchEditorTool.Sketch.Plane);
_Element = new SketchEditorSegmentElement(_SketchEditorTool, -1, _Segment, _SketchEditorTool.Transform, _SketchEditorTool.Sketch.Plane);
_Element.IsCreating = true;
_Element.OnPointsChanged(_Points, null);
_SketchEditorTool.WorkspaceController.Invalidate();
_SketchEditorTool.StatusText = "Select any rim point of the circle.";
_PointAction.Reset();
}
else
{
if (_Points[0].Distance(_PointAction.Point) < 0.001)
{
// Minimum length not met
_PointAction.Reset();
return;
}
_Points[1] = _PointAction.Point;
_MergePointIndices[1] = _PointAction.MergeCandidateIndex;
_PointAction.Stop();
_SketchEditorTool.FinishSegmentCreation(_Points, _MergePointIndices, new SketchSegment[] { _Segment }, null);
}
}
}
public void TangentLineToCircle()
{
var sketch = Sketch.Create();
var p1 = sketch.AddPoint(new Pnt2d(-20, 0));
var p2 = sketch.AddPoint(new Pnt2d(20, 30));
var line = new SketchSegmentLine(p1, p2);
var s1 = sketch.AddSegment(line);
var cp1 = sketch.AddPoint(new Pnt2d(0, 0));
var cp2 = sketch.AddPoint(new Pnt2d(0, 10));
var circ = new SketchSegmentCircle(cp1, cp2);
var s2 = sketch.AddSegment(circ);
var c1 = sketch.AddConstraint(new SketchConstraintTangent(s1, s2));
Assert.IsTrue(sketch.SolveConstraints(true));
var intersec = new IntAna2d_AnaIntersection(line.GetLine(sketch.Points), circ.GetCircle(sketch.Points));
Assert.IsTrue(intersec.IsDone());
if (intersec.NbPoints() > 1)
{
Assert.AreEqual(0.0, intersec.Point(1).Value().Distance(intersec.Point(2).Value()), MaxLengthDelta);
}
}
