Array Points on Surface

# Creates an array of points on a surfaceimport rhinoscriptsyntax as rsdef ArrayPointsOnSurface():    # Get the surface object    surface_id = rs.GetObject("Select surface", rs.filter.surface)    if surface_id is None: return    # Get the number of rows    rows = rs.GetInteger("Number of rows", 2, 2)    if rows is None: return    # Get the number of columns    columns = rs.GetInteger("Number of columns", 2, 2)    if columns is None: return    # Get the domain of the surface    U = rs.SurfaceDomain(surface_id, 0)    V = rs.SurfaceDomain(surface_id, 1)    if U is None or V is None: return    # Add the points    for i in xrange(0,rows):        param0 = U[0] + (((U[1] - U[0]) / (rows-1)) * i)        for j in xrange(0,columns):            param1 = V[0] + (((V[1] - V[0]) / (columns-1)) * j)            point = rs.EvaluateSurface(surface_id, param0, param1)            rs.AddPoint(point)# Check to see if this file is being executed as the "main" python# script instead of being used as a module by some other python script# This allows us to use the module which ever way we want.if __name__ == "__main__":    # call the function defined above    ArrayPointsOnSurface()