Re: print axis scale

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

On Wednesday 17 January 2007 13:03, Christian Henning wrote:
> I make gif-dataplots with gnuplot under linux. I use the autorange function. 
> For further processing I need to know the scale of the generated y and y1 
> axis. So I would like to have an output (stdout) like this:
> 
> Y1-Max: 55
> Y1-Min: 45
> Y2-Max:2.9
> Y2-Min:1.2
> 
> Can you give me an hint were the axis is calculeted and were I can find 
> these values.

In version 4.2 (but not in earlier versions) these are exported as user
variables.

plot 'foo'
print "Y1-max:", GPVAL_Y_MAX
print "Y1-min:", GPVAL_Y_MIN
print "Y2-max:", GPVAL_Y2_MAX
print "Y2-min:", GPVAL_Y2_MIN