Changeset 15963 for trunk/psastro/src/psastroLoadRefstars.c

Timestamp:

Dec 30, 2007, 5:04:48 PM (19 years ago)

Author:

eugene

Message:

used PSASTRO.FIELD.PADDING to extend field range

File:

• trunk/psastro/src/psastroLoadRefstars.c (modified) (1 diff)

trunk/psastro/src/psastroLoadRefstars.c

@@ -15 +15 @@
     float DECmin = DEG_RAD*psMetadataLookupF32(NULL, recipe, "DEC_MIN");
     float DECmax = DEG_RAD*psMetadataLookupF32(NULL, recipe, "DEC_MAX");
+
+    // extra field fraction to add
+    double fieldPadding = psMetadataLookupF32 (&status, recipe, "PSASTRO.FIELD.PADDING");
+    PS_ASSERT (status, NULL);
+
+    float dRA = RAmax - RAmin;
+    RAmin -= dRA * fieldPadding;
+    RAmax += dRA * fieldPadding;
+
+    float dDEC = DECmax - DECmin;
+    DECmin -= dDEC * fieldPadding;
+    DECmax += dDEC * fieldPadding;
 
     // XXX CATDIR needs to look up abstracted name from psastro.config