olygon, circle, or box.</dd>

   <dt class="file"><a href="mDiff.html">mDiff</a></dt>
   <dd>Perform a simple image difference between a single pair of
   overlapping images.  This is meant for use on reprojected images
   where the pixels already line up exactly.</dd>

   <dt class="file"><a href="mDiffExec.html">mDiffExec</a></dt>
   <dd>Run <span class="file">mDiff</pan on all the pairs identified by
   <span class="file">mOverlaps</span>.</dd>

   <dt class="file"><a href="mFitplane.html">mFitplane</a><