encoding  utf-8
source CrcGourPassage.th   

layout blue
  symbol-hide point station
  symbol-hide group centreline
  code metapost
    def a_water (expr p) =
      T:=identity;
      thfill p withcolor (0.48, 0.84, 1.0);
    enddef;
  endcode
endlayout

export map -projection plan -layout blue -o  crcgour.pdf
 
export model -o crcgour.3d