! Example of bumpchart.
! Author: Francois Tonneau

size 16 13

include bumps.gle

set font ss hei 0.4 color gray70

set just cc
amove pagewidth()/2 pageheight()-1
write "Port ranks by volume, years 2004 to 2014"

! Colorize a few categories.

guangzhou$ 	    = navy
ningbo_z_shan$ 	= navy
tianjin$ 	    = navy

hamburg$  	    = darkred
los_angeles$  	= darkred
long_beach$ 	= darkred

hong_kong$     	= olivedrab
kaohsiung$ 		= olivedrab

! Define graph surface.

amove 4 2
begin graph
    size 8 9
    fullsize
    xaxis min 1 max 11 ftick 1 dticks 2
    yaxis min 1 max 15 negate
    side   off
    ticks  off
    labels off
    xlabels dist 0.5 hei 0.45
    xnames 2004 2006 2008 2010 2012 2014
end graph

! Draw bumpchart. The bumpchart subroutine is called outside of the graph block
! to avoid clipping on the edges.

bumpchart "ports.dat" 1.0 r  0.5 c  0.5 c  1.0 l &
          dotsize 0.1 dotstyle open linewidth 0.05 overwidth 0.12 textcolor gray70