Control Point File Format
The control point file contains a list of control points in TXT format. The first row is the file header, while other rows store comma separated X, Y, Z coordinates of control points. The following table is an example of a control point file:
X, Y, Z
473575.563, 291005.332, 127.244
473576.899, 291004.245, 126.328
473576.899, 291004.243, 126.317
473576.899, 291004.245, 126.328
473576.899, 291004.243, 126.317