Re: [Gnuplot-info] scatter plots with circles when term = aqua

[Thomas S. <t.s...@fz...>]

variables containing information to calculate e.g. the xrange are created
during execution of the 'plot' command and are accessible afterwards
(see 'show variables all').

you need to do a dummy plot first to fill these variables, calculate the
symbol
sizes and then plot again.

e.g.:

set terminal push
set terminal dumb
plot ....
set terminal pop
scaling=some_factor*(GPVAL_X_MAX-GPVAL_X_MIN)
plot ...


fearless_fool wrote:
> 
> [Pardon if this is a repeat post.  I originally posted via
> gnu...@li... but it never appeared, even after
> registering to the list.  Let me know if I'm missing proper protocol...]
> 
> I have a pair of datasets that I want to plot as scatter plots, overlaid
> on the same graph.  I want dataset A to be plotted using 8 point solid
> gray circles and dataset B to be plotted using 12 point solid red circles.  
> And my terminal is aqua.
> 
> So here's the rub: I cannot use 'with points' because aqua doesn't have a
> solid circle in its symbol repertoire (at least, 'test' doesn't show one).
> 
> I may be able to use 'with circles', but I don't see how to set the circle
> size properly. 'set style circle' would set the size for both datasets,
> which isn't what I want.  I could add a third column to my datasets to
> control the size, but then the size is in units of the x axis, and the x
> axis scaling is automatically generated.
> 
> So: are there global variables that tell me the limits of the x axis and
> the size of the plot?  If so, I could do something like:
> 
>  plot "-" using 1:2:(8*scaling) with circles lc rgb "#888888" \
>         "-" using 1:2:(12*scaling) with circles lc rgb "#ff0000"
> 
> ... or something like that.  Any pointers?  TIA.
> 
> 

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