layout l_fixed_base
    scale-bar 100 m
	grid-size 100 100 100 m
	grid bottom
	map-header 0 0 nw
	statistics topo off
	statistics topo-length off
	
	color map-fg 70  
	color preview-below 70
 	scale 1 1000
	
	
	symbol-hide group all
	symbol-show group centerline
#	symbol-hide line survey
	symbol-hide point altitude
	symbol-hide point station:temporary
	symbol-hide point water-flow 
	symbol-hide point camp
	
	symbol-show line wall
	symbol-show point label
	symbol-colour group centerline 70
	symbol-colour point station 0
	symbol-colour line wall 70
		
	#code metapost
        #  fonts_setup(5,6,7,8,9);
	
	code tex-map
	   \cavelength={3635m (manual)}
	   \cavedepth={130m (manual)}
endlayout