Initial commit

1 files changed, 54 insertions, 0 deletions

diff --git a/noao/digiphot/apphot/lib/noise.h b/noao/digiphot/apphot/lib/noise.h
new file mode 100644
index 00000000..32ef1ed1
--- /dev/null
+++ b/noao/digiphot/apphot/lib/noise.h
@@ -0,0 +1,54 @@
+# Noise model header file
+
+# noise parameters (# 601 - 700)
+
+define	SKYSIGMA	601
+define	EPADU		603
+define	NOISEFUNCTION	604
+define	GAIN		605
+define	NSTRING		606
+define	CCDREAD		607
+define	READNOISE	608
+
+# noise keywords
+
+define	KY_SKYSIGMA	"sigma"
+define	KY_EPADU	"epadu"
+define	KY_GAIN		"gain"
+define	KY_NSTRING	"noise"
+define	KY_CCDREAD	"ccdread"
+define	KY_READNOISE	"readnoise"
+
+# noise parameter units
+
+#define	UN_SKYSIGMA	"counts"
+#define	UN_EPADU	"e-/adu"
+#define	UN_GAIN		"keyword"
+#define	UN_NSTRING	"model"
+#define	UN_CCDREAD	"keyword"
+#define	UN_READNOISE	"e-"
+
+define	UN_NKEYWORD	"keyword"
+define	UN_NCOUNTS	"counts"
+define	UN_NELECTRONS	"e-"
+define	UN_NMODEL	"model"
+define	UN_NEPADU	"e-/adu"
+
+# noise functions
+
+define	AP_NCONSTANT	1
+define	AP_NPOISSON	2
+
+# noise model strings
+
+define	NCMDS "|noise|sigma|epadu|gain|ccdread|readnoise|"
+define	NFUNCS	"|constant|poisson|"
+
+# noise string cases
+
+define	NCMD_NOISE	1
+define	NCMD_SIGMA	2
+define	NCMD_EPADU	3
+define	NCMD_GAIN	4
+define	NCMD_CCDREAD	5
+define	NCMD_READNOISE	6