stacked histograms

[Manfred S. <man...@gm...>]

Hi,

I have trouble getting some sort of stacked histogram working.
Instead of the expected output, I get "flying bars", really strange.

Could some help, am I doing something wrong?

Thanks a lot,
Manfred


cat > a.txt <<EOF
1963/64  784    1104       ?
1964/65 1234    1525       ?
1965/66 1282    1220       ?
1966/67 1512    1138       ?
1967/68 1305    1307       ?
1968/69  904    1199       ?
1969/70 1381    1267       ?
1970/71  842    1141       ?
1971/72  574    1024       ?
1972/73  947    1148       ?
1973/74 1272    1158       ?
1974/75 1561    1098       ?
1975/76  750    1055       ?
1976/77 1399    1307       ?
1977/78 1444    1225       ?
1978/79  914     939       ?
1979/80 1468    1052       ?
1980/81 1288    1539       ?
1981/82 1384    1178       ?
1982/83 1167    1056       ?
1983/84 1116    1249       ?
1984/85  930    1210       ?
1985/86 1055    1020       ?
1986/87 1200    1470       ?
1987/88 1400     980       ?
1988/89 1170     990       ?
1989/90 1080    1060       ?
1990/91  920    1210       ?
1991/92 1380     910       ?
1992/93 1115    1440       ?
1993/94 1500    1240       ?
1994/95 1410    1230       ?
1995/96  625    1410       ?
1996/97 1155    1310       ?
1997/98 1030    1400       ?
1998/99 1640    1355       ?
1999/00 1360    1295       ?
2000/01    ?       ?    2798
2001/02    ?       ?    2330
2002/03    ?       ?    2149
2003/04    ?       ?    2409
2004/05    ?       ?    2283
2005/06    ?       ?    2288
2006/07    ?       ?    2399
2007/08    ?       ?    2524
2008/09    ?       ?    2365
2009/10    ?       ?    2562
2010/11    ?       ?    1943
2011/12    ?       ?    2848
2012/13    ?       ?    2643
2013/14    ?       ?    2646
EOF

gnuplot <<EOF
set term pngcairo size 700,300
set out 'a.png'
set autoscale xfix
set style data histograms
set style histogram rowstacked
set style fill transparent solid 0.3 border
plot 'a.txt' \\
       using 4 notitle      lt -1 lc rgb "#444444", \\
    '' using 2 title "Col2" lt -1 lc rgb "#333399", \\
    '' using 3 title "Col3" lt -1 lc rgb "#ff2000"
set output
EOF