= Choosing an appropriate pixel size =

== Quick reckoner ==
|| '''Altitude (ft)''' || '''Pixel size (m)''' ||
|| < 3000 ft           || 1m ||
|| 3000 - 4000 ft      || 2m ||
|| 4000 - 6000 ft      || 2.5m ||
|| 6000 - 8000 ft      || 4m   ||
|| > 8000 ft           || 5m   ||

Note that you should look at the azgcorr output to get a good idea of what your actual pixel sizes are, e.g.:
{{{
...

Pixel spacing stats... along line...
   centre     min: 4.45 max: 5.04 ave: 4.64
   port       min: 0.35 max: 32.31 ave: 6.48
   starboard  min: 0.56 max: 35.08 ave: 6.77
   across line centre (pix 238): 4.11
}}}


---------
Add notes on:
 * -g interpolation
 * different sensor types and characteristics
   * specim non-square pixels (along track)