A simple routine to (approximately) convert angstroms to pixels. This is generally used to compute spatial features in VIRUS and LRS2 images for overplotting in ds9 frames. THIS IS FOR CARTOON USE ONLY.

% 
% angs2pix.sh 

Usage: angs2pix.sh 6564.2  LL_lrs2b.solution 
arg1 - wavelength in Angstroms 
arg2 - name of linear solution file