public void direct(Entity prev)
{
if (prev.ent.Type != ObjectTypeEnum.kSketchArcObject)
{
return;
}
Arc2d arc = (prev.ent as SketchArc).Geometry;
Curve2dEvaluator ev = arc.Evaluator;
double[] par = u.getParam(ev, prev.endPt.Geometry);
double[] o = { };
ev.GetTangent(ref par, ref o);
dir = u.createVector2d(o[0], o[1]);
if (prev.t == entTypes.Arc && !(prev as ArcInv).clockwise)
{
dir.ScaleBy(-1);
}
}
static public double ParamLen(SketchEntity se)
{
double min, max, length;
Curve2dEvaluator eval = null;
if (se.Type == ObjectTypeEnum.kSketchLineObject || se.Type == ObjectTypeEnum.kSketchLineProxyObject)
{
eval = ((SketchLine)se).Geometry.Evaluator;
}
else if (se.Type == ObjectTypeEnum.kSketchArcObject || se.Type == ObjectTypeEnum.kSketchArcProxyObject)
{
eval = ((SketchArc)se).Geometry.Evaluator;
}
else if (se.Type == ObjectTypeEnum.kSketchSplineObject || se.Type == ObjectTypeEnum.kSketchSplineProxyObject)
{
eval = ((SketchSpline)se).Geometry.Evaluator;
}
eval.GetParamExtents(out min, out max);
eval.GetLengthAtParam(min, max, out length);
return(Math.Round(length, 2));
}
private void GetEdgeData(Inventor.Edge Edge)
{
Inventor.Curve2dEvaluator Curve2dEvaluator;
double MinParam = 0;
double MaxParam = 0;
// double LengthParam = 0;
double[] StartParams = new double[3];
double[] EndParams = new double[3];
double[] mPoints = new double[3];
foreach (Inventor.EdgeUse EdgeUse in Edge.EdgeUses)
{
StartParams[0] = MinParam;
StartParams[1] = 0;
StartParams[2] = 0;
EndParams[0] = MinParam;
EndParams[1] = 0;
EndParams[2] = 0;
Curve2dEvaluator = EdgeUse.Evaluator;
Curve2dEvaluator.GetParamExtents(out MinParam, out MaxParam);
Curve2dEvaluator.GetPointAtParam(ref StartParams, ref mPoints);
}
}
