Index: trunk/Ohana/src/opihi/dvo/detrend.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/detrend.c	(revision 4689)
+++ trunk/Ohana/src/opihi/dvo/detrend.c	(revision 4849)
@@ -101,4 +101,6 @@
     return (FALSE);
   }
+  fprintf (stderr, "  this function is not well-defined.  re-work and re-code\n");
+  return (FALSE);
   
   /* identify selection */
@@ -136,5 +138,5 @@
   fits_scan (&header, "NIMAGES", "%d", 1, &Nimage);
   ALLOCATE (pimage, RegImage, Nimage);
-  status = Fread (pimage, sizeof(RegImage), Nimage, f, "regimage");
+  status = fread (pimage, sizeof(RegImage), Nimage, f);
   fclose (f);
 
@@ -145,4 +147,5 @@
     return (FALSE);
   }
+  fits_convert_RegImage (pimage, sizeof (RegImage), Nimage);
 
   N = 0;