Index: trunk/psastro/doc/mktest.txt
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--- trunk/psastro/doc/mktest.txt	(revision 5565)
+++ trunk/psastro/doc/mktest.txt	(revision 5565)
@@ -0,0 +1,23 @@
+
+the program, psastro-mktest, will generate a set of fake test data for
+psastro.  the config file 'psastro-mktest.conf' gives an example setup
+for this program.  It generates 4 output files:
+
+- cmpfile : this is a basic elixir-style cmp file (stars plus header)
+  which can be taken as input to psastro
+
+- catfile : this is a basic text reference catalog, which the current
+  psastro loads as a reference
+
+- rawfile : this is a text listing of all astrometry stages for the
+  generated stars: readout, cell, chip, fpa, tpa, sky, with the last
+  two columns being the magnitudes.  this file is generated by
+  applying the transformations starting at the readout and going
+  step-by-step to the sky.
+
+- reffile : this is the inverse of the preceeding file, with the
+  resulting sources transformed from the sky coordinates down
+  step-by-step to the readout pixels.  If the transformations are
+  functioning, these two files (rawfile & reffile) should be identical
+  within floating point errors.
+
