public static void WritePoly(this SectionDefinition sec, string filename)
{
var poly = sec.BuildPolygon();
TriangleFile fne = new TriangleFile();
fne.Write(poly, filename);
}
public static void WriteMesh(this SectionDefinition sec, string filename)
{
var poly = sec.BuildPolygon();
var mesh = sec.Triangulate(poly);
TriangleFile fne = new TriangleFile();
fne.Write(mesh, filename);
}