1 files changed, 81 insertions, 0 deletions
diff --git a/pkg/images/tv/imexamine/iecimexam.x b/pkg/images/tv/imexamine/iecimexam.x
new file mode 100644
index 00000000..1bcc6d65
--- /dev/null
+++ b/pkg/images/tv/imexamine/iecimexam.x
@@ -0,0 +1,81 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	<error.h>
+include	"imexam.h"
+ 
+# IE_CIMEXAM -- Column plot
+# If the input column is INDEF use the last column.
+
+procedure ie_cimexam (gp, mode, ie, x)
+
+pointer	gp		# GIO pointer
+int	mode		# Mode
+pointer	ie		# Structure pointer
+real	x		# Column
+
+real	xavg, junk
+int	i, x1, x2, y1, y2, nx, ny, npts
+pointer	sp, title, im, data, ptr, xp, yp
+
+real	asumr()
+int	clgpseti()
+pointer	clopset(), ie_gimage(), ie_gdata()
+errchk	clcpset, clopset
+
+begin
+	iferr (im = ie_gimage (ie, NO)) {
+	    call erract (EA_WARN)
+	    return
+	}
+
+	if (IE_PP(ie) != NULL)
+	    call clcpset (IE_PP(ie))
+	IE_PP(ie) = clopset ("cimexam")
+
+	if (!IS_INDEF(x))
+	    IE_X1(ie) = x
+
+	nx = clgpseti (IE_PP(ie), "naverage")
+	x1 = IE_X1(ie) - (nx - 1) / 2 + 0.5
+	x2 = IE_X1(ie) + nx / 2 + 0.5
+	xavg = (x1 + x2) / 2.
+	y1 = INDEFI
+	y2 = INDEFI
+	iferr (data = ie_gdata (im, x1, x2, y1, y2)) {
+	    call erract (EA_WARN)
+	    return
+	}
+	nx = x2 - x1 + 1
+	ny = y2 - y1 + 1
+	npts = nx * ny
+
+	call smark (sp)
+	call salloc (title, IE_SZTITLE, TY_CHAR)
+	call salloc (xp, ny, TY_REAL)
+
+	do i = 1, ny
+	    call ie_mwctran (ie, xavg,  real(i), junk, Memr[xp+i-1])
+
+	if (nx > 1) {
+	    ptr = data
+	    call salloc (yp, ny, TY_REAL)
+	    do i = 1, ny {
+		Memr[yp+i-1] = asumr (Memr[ptr], nx)
+	        ptr = ptr + nx
+	    }
+	    call adivkr (Memr[yp], real (nx), Memr[yp], ny)
+	} else
+	    yp = data
+
+	call sprintf (Memc[title], IE_SZTITLE, "%s: Columns %d - %d\n%s")
+	    call pargstr (IE_IMNAME(ie))
+	    call pargi (x1)
+	    call pargi (x2)
+	    call pargstr (IM_TITLE(im))
+
+	call ie_graph (gp, mode, IE_PP(ie), Memc[title], Memr[xp],
+	    Memr[yp], ny, IE_YLABEL(ie), IE_YFORMAT(ie))
+
+	call sfree (sp)
+end