Reverting to original values of image_viewer

[Søren Hauberg]

tir, 04 11 2008 kl. 23:41 +1100, skrev Alasdair McAndrew:
> If I change image_viewer from the default use of gnuplot to
> ImageMagick's "display" function, with 
> 
> image_viewer("display %s")
> 
> how do I revert to using gnuplot again for image display - what
> function call do I need here?

The easiest way is probably to simply clear the 'image_viewer' function,
i.e. run

  clear image_viewer

Søren