5 <a HREF="index.html"> <IMG SRC="rsl.gif"> </a>
9 <h1>RSL_get_next_cwise_ray</h1>
12 <h1>RSL_get_next_ccwise_ray</h1>
17 <b>#include "rsl.h"</b> <br>
18 <b><b><a href=RSL_ray_struct.html>Ray</a> *RSL_get_next_cwise_ray</b><b>(<a href=RSL_sweep_struct.html>Sweep</a> *s, <a href=RSL_ray_struct.html>Ray</a> *r);</b></b><br>
19 <b><a href=RSL_ray_struct.html>Ray</a> *RSL_get_next_ccwise_ray</b><b>(<a href=RSL_sweep_struct.html>Sweep</a> *s, <a href=RSL_ray_struct.html>Ray</a> *r);</b>
23 <b>cwise</b>, means clockwise and it is defined to mean "in the direction of increasing azimuth angle (don't ask)." <b>ccwise</b> means counter-clockwise and it is defined to mean "in the direction of decreasing azimuth angle." Dennis Flanigan defined <b>cwise</b> and <b>ccwise</b>.
27 Upon successful completion, a pointer to the Ray structure is returned. Otherwise, a NULL pointer is returned.
31 <a href=RSL_get_ray_from_sweep.html>RSL_get_ray_from_sweep</a>, <a href=RSL_get_ray_above-below.html>RSL_get_ray_above</a>, <a href=RSL_get_ray_above-below.html>RSL_get_ray_below</a>, <a href=RSL_get_first_ray_of.html>RSL_get_first_ray_of_sweep</a>, <a href=RSL_get_first_ray_of.html>RSL_get_first_ray_of_volume</a>.
34 <p>Author: <a href=john.merritt.html>John H. Merritt</a>