On Sun, 29 Mar 2015 14:21:55 -0700
sfeam <sf...@us...> wrote:
> On Thursday, 26 March 2015 03:53:22 PM Philipp K. Janert wrote:
> >
> > I was wondering: how is "fontscale" to be used?
> >
> > Is the primary idea that I can change the font
> > size, even without knowing what it actually is?
>
> The primary use that I see is rescaling a previously composed
> figure for a new use. Suppose you originally composed a
> figure for screen display, with appropriate font sizes,
> line widths, dash lengths, and so on. Now you want to use
> it for publication, but typically a publisher requests figures
> to be suitable for printing at 300 dpi. This is roughly
> three times a typical workstation screen display resolution.
I see. Makes sense. Thanks for the clarification.
>
> If you just change the requested size of the figure by a
> factor of 3, then all the lines will be too thin, the fonts
> will be too small, and dashed lines will become less distinguishable.
> The fix is to keep the same commands that generated your
> original plot but scale up those properties to match the
> scale-up of the canvas size.
>
> E.g.
>
> # Display figure on the screen
> set term png size 700, 500
> set output '|display png:-'
> load "Figure.gp"
> pause -1
>
> # Now rescale the same figure for publication
> set term png size 2100, 1500 fontscale 3 lw 3 dl 3
> set output 'Figure.png'
> load "Figure.gp"
>
> NB: In gnuplot 5 dashlength scales with linewidth already,
> so the "dl 3" part is not required. But that was not
> true in gnuplot 4.
>
>
> Ethan
>
>
>
> >
> > Best,
> >
> > Ph.
>
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