Initial commit

1 files changed, 38 insertions, 0 deletions

diff --git a/noao/imred/ccdred/src/ccdnscan.x b/noao/imred/ccdred/src/ccdnscan.x
new file mode 100644
index 00000000..3a9fbeba
--- /dev/null
+++ b/noao/imred/ccdred/src/ccdnscan.x
@@ -0,0 +1,38 @@
+include	"ccdtypes.h"
+
+
+# CCDNSCAN -- Return the number CCD scan rows.
+#
+# If not found in the header return the "nscan" parameter for objects and
+# 1 for calibration images.
+
+int procedure ccdnscan (im, ccdtype)
+
+pointer	im			#I Image
+int	ccdtype			#I CCD type
+int	nscan			#O Number of scan lines
+
+bool	clgetb()
+char	type, clgetc()
+int	hdmgeti(), clgeti()
+
+begin
+	iferr (nscan = hdmgeti (im, "nscanrow")) {
+	    switch (ccdtype) {
+	    case ZERO, DARK, FLAT, ILLUM, FRINGE:
+		nscan = 1
+	    default:
+		type = clgetc ("scantype")
+		if (type == 's')
+		    nscan = clgeti ("nscan")
+		else {
+		    if (clgetb ("scancor"))
+			nscan = INDEFI
+		    else
+			nscan = 1
+		}
+	    }
+	}
+
+	return (nscan)
+end