#  This macro:   1. displays all vector objects 
#                2. highlights all segments which aren't needed in a polygon map
#                3. highlights all polygons smaller than 30 pixels (poss errors)

graphics 
crit_clear
crit_type  1
crit_exec  23  all segments
crit_area  0  0.000000  30.000000
crit_exec  24  polygons less than 30 pixels
view map
graphics +n23 +h24 +h30 +c -r 
wait Highlighted:  Polygons < 31 pixels & Segments with same poly on both sides.
