ds9 commands to test distortion mapping

trying to figure out whether I'm screwing something up in the distortion map phase... the -scale limits command here is new and useful

ds9 testfields_*pix5*_map0.fits -cmap sls -scale limits 0 .005 -zoom 4 -match frames wcs -match scales -match colorbars &
ds9 testfields_*pix15*_map0.fits -cmap sls -scale limits 0 .003 -zoom 4 -match frames wcs -match scales -match colorbars &
ds9 testfields_*pix10*_map0.fits -cmap sls -scale limits 0 .004 -zoom 4 -match frames wcs -match scales -match colorbars &