Re: Cross-hatching issue under pdfcairo in gnuplot 4.4 patchlevel 0

[Ethan M. <merritt@u.washington.edu>]

On Saturday, October 09, 2010, Eric Wayman wrote:
> Hello,
> 
> When creating a rowstacked histogram in gnuplot 4.4 patchlevel 0 under
> the pdfcairo terminal, I get a very ugly result compared to the
> postscript eps terminal. Specifically, the cross-hatching patterns
> look thick and ugly. 

Yeah. I prefer to use greyscale instead:

plot 'foo' using 2 fs solid 0.0 lt -1, \
        '' using 3 fs solid 1.0 lt -1, \
        '' using 4 fs solid 0.5 lt -1



> I have attached the example output
> "election.pdf."
> 
> Code:
> 
> set datafile separator ","
> set out "election.pdf"
> set term pdfcairo font "IPAMincho"
> set title "日本語のフォントが使えます" font "IPAPMincho"
> set xlabel "X軸" font "IPAPMincho"
> set ylabel "Y軸" font "IPAPMincho"
> set style histogram rowstacked
> set style data histogram
> plot 'election.csv' using 2 fs pattern 0 lt -1, \
>            '' using 3 fs pattern 1 lt -1, \
>            '' using 4 fs pattern 2 lt -1
> 
> Data:
> 
> # Year, Red, Green, Blue
> 1990,   33,  45,    18
> 1991,   35,  42,    19
> 1992,   34,  44,    14
> 1993,   37,  43,    25
> 1994,   47,  15,    30
> 1995,   41,  14,    32
> 1996,   42,  20,    35
> 1997,   39,  21,    31
> 
> Is there a way to make the patterns look more like they do under postscript eps?
> 
> -- Eric Wayman
>