Index: branches/eam_branches/relphot.20210521/src/ImageOps.c
===================================================================
--- branches/eam_branches/relphot.20210521/src/ImageOps.c	(revision 41602)
+++ branches/eam_branches/relphot.20210521/src/ImageOps.c	(revision 41603)
@@ -319,54 +319,7 @@
 }
 
-int findCCD (off_t idx, off_t meas, int cat, MeasureTiny *measure) {
-
-  int ccdnum;
-  double X, Y;
-  char *pname, *filter, *p, base[256];
-
-  /* identify the ccd on the basis of the photcode name */
-  pname = GetPhotcodeNamebyCode (image[idx].photcode);
-
-  // skip measurements which do not match one of the requested photcodes (
-  // (do we not already exclude in bcatalog -- maybe needed for reload_objects?
-  int Ns = GetActivePhotcodeIndex (measure[0].photcode);
-  if (Ns < 0) return FALSE;
-
-  filter = photcodes[Ns][0].name;
-  sprintf (base, "%s.%s.", MOSAICNAME, filter);
-  if (strncmp (pname, base, strlen (base))) return (FALSE);
-  p = pname + strlen(base);
-
-  /* p is pointing at the DETECTOR ID part of the photcode: CAMERA.FILTER.DETECTOR 
-     for now, we will let this be of the form SSSSnn where SSS is an arbitrary string
-     and nn is an integer -> ccdnum */
-      
-  /// XXX we have an inconsistency here wrt dvo.layout and dvo.photcode
-
-  while (!isdigit(*p) && *p) p++;
-  if (*p == 0) return (FALSE);
-  ccdnum = atoi (p);
-
-  /* ccdnum is an integer, but not necessarily a sequence number.  when the camera layout is
-     constructed, there will be null values for undefined ccdnums */
-
-  // old code to add this measurement to the grid cell for this chip 
-  // ave = measureT[0].averef;
-  // ra  = catalog[cat].averageT[ave].R - measureT[0].dR / 3600.0;
-  // dec = catalog[cat].averageT[ave].D - measureT[0].dD / 3600.0;
-  // RD_to_XY (&X, &Y, ra, dec, &image[i].coords);
-
-  // XXX we can now use these values (but need to be careful about old formats)
-  X = measure[0].Xccd;
-  Y = measure[0].Yccd;
-  setGridMeasure (meas, cat, X, Y, ccdnum);
-
-  return (TRUE);
-}
-
 void matchImage (Catalog *catalog, off_t meas, int cat, int doImageList) {
 
   off_t idx, ID;
-  int status;
   MeasureTiny *measure;
   
@@ -380,12 +333,4 @@
   }
   catalog[cat].measureT[meas].myDet = TRUE;
-
-  if (USE_GRID) {
-    status = findCCD (idx, meas, cat, measure);
-    if (!status) {
-      if (VERBOSE2) fprintf (stderr, "failed to determine CCD for "OFF_T_FMT", %d\n",  meas, cat);
-      return;
-    }
-  }
 
   // index for (catalog, measure) -> image
@@ -690,5 +635,5 @@
 	  continue;
       }
-      float Mgrid = getMgrid (m, c);
+      float Mgrid = getMgridTiny (&catalog[c].measureT[m]);
       if (isnan(Mgrid)) {
 	  Ngrid++;
@@ -889,5 +834,5 @@
 	  continue;
       }
-      float Mgrid = getMgrid (m, c);
+      float Mgrid = getMgridTiny (&catalog[c].measureT[m]);
       if (isnan(Mgrid)) {
 	  Ngrid++;
@@ -1179,5 +1124,5 @@
       Mgrp  = getMgrp  (m, c, catalog[c].measureT[m].airmass, NULL);
       if (isnan(Mgrp)) continue;
-      Mgrid = getMgrid (m, c);
+      Mgrid = getMgridTiny (&catalog[c].measureT[m]);
       if (isnan(Mgrid)) continue;
       N++;