saving plot images in arbitrary sizes.

[general questions]

Dear Octave users,

I found a script to save plots as PNG (see below
'plot2png()') but this only saves as 640 x 480.  Is it
possible to save at a higher resolution as I require
finer detail?
I found a previous post which regarding GIFs instead
of PNGs said you can have the gset command changed to:
  gset terminal gif small size 640,480
and I expected to be able to change the given
resolution for PNGs, but octave's gset didn't seem to
understand the term 'size'.

Is there a way I can save plots as, say 1600 x 1200?

I'm using "GNU Octave, version 2.1.50
(i686-pc-linux-gnu).".

cheers,
   Lee -S-
   UniS, UK


function plot2png(f)
  gset terminal png small color;
  eval(sprintf("gset output \"%s%s\" \n",f,".png"));
  replot;
  gset terminal X11;
  printf("\nWrote %s/%s%s \n \n",pwd,f,".png");
endfunction



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