Initial commit

1 files changed, 43 insertions, 0 deletions

diff --git a/noao/digiphot/apphot/polyphot/apycoords.x b/noao/digiphot/apphot/polyphot/apycoords.x
new file mode 100644
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--- /dev/null
+++ b/noao/digiphot/apphot/polyphot/apycoords.x
@@ -0,0 +1,43 @@
+include	"../lib/polyphot.h"
+
+# AP_YCOORDS -- Procedure to fetch the next center coordinates for the polygon.
+
+int procedure ap_ycoords (cl, delim, xshift, yshift, stdin)
+
+int	cl	# coordinates file descriptor
+int	delim	# delimiter character
+real	xshift	# new x coordinate
+real	yshift	# new y coordinate
+int	stdin	# is cl STDIN?
+
+char	marker
+int	stat
+int	fscan(), nscan()
+
+begin
+	if (stdin == YES) {
+	    call printf ("Type object x and y coordinates (^D or^Z to end): ")
+		call flush (STDOUT)
+	}
+
+	stat = fscan (cl)
+	while (stat != EOF) {
+
+            call gargr (xshift)
+            call gargr (yshift)
+
+	    if (nscan() != 2) {
+		call reset_scan()
+		call gargc (marker)
+		if (int (marker) == delim)
+		    return (NEXT_POLYGON)
+		#else
+		    #return (NEXT_OBJECT)
+	    } else
+	        return (THIS_OBJECT)
+
+	    stat = fscan (cl)
+	}
+
+	return (stat)
+end