# Synopsis

PDX_MSGT gdx_ParmPointOnSeam(long option, MDA_PTR surf_ptr, PDX_BOOL v_revolve, MTH_3DPNT point, PDX_BOOL *on_seam_flag)

# Description

This function checks if a parm space point is on the seam of a closed revolving surface. In fact, it checks if the point is on either one of the two non-revolving bounds, yes, on_seam_flag would be TRUE; otherwise FALSE. The tolerance @ PARM_SPACE_PNT_TOL is used.

# Input

## option

Options (not used)

## surf_ptr

The closed revolving surface

## v_revolve

The direction of the surface rotation

## point

A parm space point

# Output

## on_seam_flag

The flag indicating if the point is on the seam or not

# Return

          GDX_NOERR
          Low level error return
          .fi