Re: [Gnuplot-info] question on "parametric" data style

[Hans-Bernhard B. <HBB...@t-...>]

On 03.10.2011 10:42, Dr. Ing. Dieter Jurzitza wrote:

> I have a function (polar diagram) covering many decades of values. I would
> like to have a constant number of values per decade rather than one with
> constant spacing (configured via "set samples VALUE")

So what you're trying to do is, essentially, a log-scaled 't' axis. 
Unfortunately, gnuplot doesn't do that by itself.  It accepts the 
command "set log t", but doesn't do anything with it.

But read on.

> I. e. I have two functions RE(x) and IM(x), and rather than performing a
>
> set parametric
> set trange [0.01:1000000]
> plot RE(t),IM(t)

Just transform 't' as you go:

set trange [-2, 6]
plot RE(10.0**t), IM(10.0**t)