= coverage =

Generates global coverage of what has been tiled and processed (as per landmark files)

=== Input - files ===
 * view_maps.in (you get this from using ["update_infiles.e"])

=== Input - stdin ===
 * stdin:  
{{{ 0. All maps
  1. Maps with lmks or limbs
  2. Maps with lmks
}}}

 * 0,.1 (start and ending resolution)

=== Output ===
 * coverage_g.pgm - a global map showing what has been tiled to the specified resolution