// returns set of open curves (ie non-solids)
public OpenCurvesInfo FindOpenCurves(double fSimplifyDeviationTol = 0.1)
{
List <SmoothCurveElement> curveElems = new List <SmoothCurveElement>(CurvesItr());
int N = curveElems.Count;
int maxid = 0;
foreach (var v in curveElems)
{
maxid = Math.Max(maxid, v.ID + 1);
}
// copy polygons, simplify if desired
double fClusterTol = 0.0; // don't do simple clustering, can lose corners
double fDeviationTol = fSimplifyDeviationTol;
PolyLine2d[] polylines = new PolyLine2d[maxid];
IParametricCurve2d[] curves = new IParametricCurve2d[maxid];
foreach (var v in curveElems)
{
PolyLine2d p = new PolyLine2d(v.polyLine);
if (fClusterTol > 0 || fDeviationTol > 0)
{
p.Simplify(fClusterTol, fDeviationTol);
}
polylines[v.ID] = p;
curves[v.ID] = v.source;
}
OpenCurvesInfo ci = new OpenCurvesInfo()
{
Polylines = new List <PolyLine2d>(),
Curves = new List <IParametricCurve2d>()
};
for (int i = 0; i < polylines.Length; ++i)
{
if (polylines[i] != null && polylines[i].VertexCount > 0)
{
ci.Polylines.Add(polylines[i]);
ci.Curves.Add(curves[i]);
}
}
return(ci);
}
public PolyLine2d(PolyLine2d copy)
{
vertices = new List <Vector2D>(copy.vertices);
Timestamp = 0;
}
