public Glulam Trim(Interval domain, double overlap)
{
double l1 = Centreline.GetLength(new Interval(Centreline.Domain.Min, domain.Min));
double l2 = Centreline.GetLength(new Interval(Centreline.Domain.Min, domain.Max));
double t1, t2;
if (!Centreline.LengthParameter(l1 - overlap, out t1))
{
t1 = domain.Min;
}
if (!Centreline.LengthParameter(l2 + overlap, out t2))
{
t2 = domain.Max;
}
domain = new Interval(
Math.Max(t1, Centreline.Domain.Min),
Math.Min(t2, Centreline.Domain.Max));
double length = Centreline.GetLength(domain);
if (domain.IsDecreasing || length < overlap || length < Glulam.OverlapTolerance)
{
return(null);
}
double percentage = length / Centreline.GetLength();
GlulamData data = Data.Duplicate();
data.Samples = Math.Max(6, (int)(data.Samples * percentage));
Curve trimmed_curve = Centreline.Trim(domain);
GlulamOrientation trimmed_orientation = Orientation.Trim(domain);
trimmed_orientation.Remap(Centreline, trimmed_curve);
Glulam glulam = CreateGlulam(trimmed_curve, trimmed_orientation, data);
return(glulam);
}
