encoding  utf-8
source Winbeysewer.th

export map -proj plan -layout local -o WinnattsBeyondtheSewer.pdf

layout local
###to change the symbols###
symbol-set BCRA
symbol-hide group cave-centreline
symbol-assign line gradient BCRA
symbol-assign area sand AUT
symbol-hide line border
symbol-colour point water-flow [0 0 100]

###to change the colour###
colour map-fg [80 80 80]
#color map-fg altitude
colour map-bg [50 50 50]

  code metapost
### define water to be light blue
  def a_water (expr p) =
    T:=identity;
    thfill p withcolor (0.48, 0.84, 1.0);
    enddef;
 
### define sump to be dark blue
  def a_sump (expr p) =
    T:=identity;
    thfill p withcolor (0.05, 0.0, 0.7);
  enddef;
  endcode


legend on

endlayout