Index: trunk/Ohana/src/libdvo/include/dvo.h
===================================================================
--- trunk/Ohana/src/libdvo/include/dvo.h	(revision 24755)
+++ trunk/Ohana/src/libdvo/include/dvo.h	(revision 24974)
@@ -311,4 +311,5 @@
 float PhotInst (Measure *measure);
 float PhotCat (Measure *measure);
+float PhotAper (Measure *measure);
 float PhotSys (Measure *measure, Average *average, SecFilt *secfilt);
 float PhotRel (Measure *measure, Average *average, SecFilt *secfilt);
Index: trunk/Ohana/src/libdvo/src/dvo_photcode_ops.c
===================================================================
--- trunk/Ohana/src/libdvo/src/dvo_photcode_ops.c	(revision 24755)
+++ trunk/Ohana/src/libdvo/src/dvo_photcode_ops.c	(revision 24974)
@@ -249,4 +249,23 @@
   code = &photcodes[0].code[Np];
   Mcat = measure[0].M - ZERO_POINT + code[0].K*(measure[0].airmass - 1.000) + SCALE*code[0].C;
+  
+  return (Mcat);
+}
+
+float PhotAper (Measure *measure) {
+
+  int Np;
+  float Mcat;
+  PhotCode *code;
+
+  Np = photcodes[0].hashcode[measure[0].photcode];
+  if (Np == -1) return (NAN);
+
+  if (photcodes[0].code[Np].type == PHOT_REF) {
+    Mcat = measure[0].Map;
+    return (Mcat);
+  }
+  code = &photcodes[0].code[Np];
+  Mcat = measure[0].Map - ZERO_POINT + code[0].K*(measure[0].airmass - 1.000) + SCALE*code[0].C;
   
   return (Mcat);