Index: trunk/Ohana/src/relphot/test/relphot.tgroups.dvo
===================================================================
--- trunk/Ohana/src/relphot/test/relphot.tgroups.dvo	(revision 41453)
+++ trunk/Ohana/src/relphot/test/relphot.tgroups.dvo	(revision 41462)
@@ -451,2 +451,35 @@
   set stars_dmag = 0.02 + 0.1 * rnd(tmp)
 end
+
+macro plot.test.files
+  if ($0 != 2)
+    echo "USAGE: plot.test.files (N)"
+    break
+  end
+
+  clear -s
+  resize 2000 1200
+
+  section a0 0.00 0.50 0.25 0.50
+  section a1 0.25 0.50 0.25 0.50
+  section a2 0.50 0.50 0.25 0.50
+  section a3 0.75 0.50 0.25 0.50
+
+  section a4 0.00 0.00 0.25 0.50
+  section a5 0.25 0.00 0.25 0.50
+  section a6 0.50 0.00 0.25 0.50
+  section a7 0.75 0.00 0.25 0.50
+
+  label -fn helvetica 12
+  $BSTYLE = -tickpad 0.2 +xpad 0.2 +ypad 0.2 -ypad 5
+
+  for i 0 8
+    sprintf name tgrp.%05d.%02d.dat $i $1
+    data $name
+    exec ls -l --full-time $name
+    read Msys 4 Mrel 5 Mcal 7 Mmos 8 Mgrp 9 airmass 11 dMag 12
+  
+    section a$i
+    lim Msys dMag; box $BSTYLE; plot Msys dMag -pt cir -op 0.2 -c blue
+  end
+end