internal static extern void setPattern(ref CPolyLines polylines, IntPtr topoData);
public static bool RhinoPolylinesToCPolyline(
List <Curve> parts,
List <Curve> boundaries,
ref CPolyLines outPolylines,
bool flipYZ)
{
outPolylines = new CPolyLines();
List <float> points = new List <float>();
List <int> sta_ends = new List <int>();
List <int> atBoundary = new List <int>();
//Add Parts
int count = 0;
foreach (var curve in parts)
{
int sta = count;
Polyline polyline;
curve.TryGetPolyline(out polyline);
for (int id = 0; id < polyline.Count - 1; id++)
{
Point3d pt = polyline[id];
points.Add((float)pt.X);
if (flipYZ)
{
//flip YZ because the coordianate systems of rhino and C++ are different
points.Add((float)pt.Z);
points.Add(-(float)pt.Y);
}
else
{
points.Add((float)pt.Y);
points.Add((float)pt.Z);
}
count++;
}
int end = count - 1;
sta_ends.Add(sta);
sta_ends.Add(end);
atBoundary.Add(0);
}
//Add Boundries
foreach (var curve in boundaries)
{
int sta = count;
Polyline polyline;
curve.TryGetPolyline(out polyline);
for (int id = 0; id < polyline.Count - 1; id++)
{
Point3d pt = polyline[id];
if (flipYZ)
{
//flip YZ because the coordianate systems of rhino and C++ are different
points.Add((float)pt.Z);
points.Add(-(float)pt.Y);
}
else
{
points.Add((float)pt.Y);
points.Add((float)pt.Z);
}
count++;
}
int end = count - 1;
sta_ends.Add(sta);
sta_ends.Add(end);
atBoundary.Add(1);
}
outPolylines.n_polyline = sta_ends.Count / 2;
outPolylines.n_points = points.Count / 3;
outPolylines.points = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(float)) * points.Count);
outPolylines.sta_ends = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)) * sta_ends.Count);
float[] array_points = points.ToArray();
int[] array_sta_ends = sta_ends.ToArray();
Marshal.Copy(array_points, 0, outPolylines.points, points.Count);
Marshal.Copy(array_sta_ends, 0, outPolylines.sta_ends, sta_ends.Count);
if (boundaries.Count != 0)
{
int[] array_atBoundary = atBoundary.ToArray();
outPolylines.atBoundary = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(int)) * atBoundary.Count);
Marshal.Copy(array_atBoundary, 0, outPolylines.atBoundary, atBoundary.Count);
}
return(true);
}
internal static extern void setCrossMesh(ref CPolyLines polylines, IntPtr topoData, bool haveBoundary);
