gnuplot development

Matt Kopeck wrote:
> Hi,
> 
> Is it possible to use the date as well as the time to plot a graph in
> gnuplot? 

Sure.

	set xdata time
	set timefmt '%Y/%m/%d %H:%M'
	plot 'data' u 1:3

should do it.

Hi,

I wonder if it is normal for the following to take about ~30 seconds to 
plot...
This generates a radar plot jpeg..
Anything I can do to speed this up...

Using gp400dj2 on a fairly recent WinXP machine

set terminal jpeg medium size 310,310 xecffeb x000000 x404040 xff0000 
x0000ff
set output "polar.jpg"
set grid polar
set size square
set xrange [-1:1]
set yrange [-1:1]
set title "Compromise solution v.s. Reference point"
set ylabel "Cost" -1
set xlabel "CO2" 0,-1
set x2label "Farmer's surplus" 0,1
set y2label "Subsidies" 1
#plot  "force.txt" using 1:2 title 'Reference', "force.txt" using 1:3 
title 'Solution' with lp
#plot "force.txt" with lp
#plot  "force2.txt" using 1:2 title 'Reference', "force2.txt" using 1:3 
title 'Solution' with lp
set multiplot
set pointsize 1.2
set key off
#Below plots the aspiration
plot  "opt.txt" using 1:2 title 'Reference' with lp
#Below plots the solution
plot  "sol.txt" using 1:3 title 'Solution' with lp

regards,

nicolas

Nikos wrote:
> I wonder if it is normal for the following to take about ~30 seconds to 
> plot...

Depends on how loaded the box is, what file-systems you're on, how large 
those data files are, and some other things.

> Using gp400dj2 on a fairly recent WinXP machine

Windows XP is hostile territory for that version of gnuplot.  You'ld be 
better off with one of the Windows versions.

> set multiplot
> set pointsize 1.2
> set key off
> plot  "opt.txt" using 1:2 title 'Reference' with lp
> plot  "sol.txt" using 1:3 title 'Solution' with lp

No 'unset multiplot', no 'unset output'.  That are things you should get 
fixed.