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1 files changed, 65 insertions, 0 deletions

diff --git a/sys/imfort/imps3s.x b/sys/imfort/imps3s.x
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+++ b/sys/imfort/imps3s.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	"imfort.h"
+
+# IMPS3S -- Put a section to a 3 dimensional image of type short.
+# No automatic datatype conversion is performed.  It is illegal to reference
+# out of bounds.
+
+procedure imps3s (im, buf, i1, i2, j1, j2, k1, k2, ier)
+
+pointer	im			# image descriptor
+short	buf[ARB]		# user data buffer
+int	i1, i2			# first, last columns
+int	j1, j2			# first, last lines
+int	k1, k2			# first, last bands
+int	ier
+
+long	offset
+int	nchars, npix, ip, j, k
+int	imwpix()
+
+begin
+	# Verify in bounds.
+	if (i1 < 1 || i2 > IM_LEN(im,1) || i1 > i2) {
+	    ier = IE_XOOB
+	    call im_seterrim (ier, im)
+	    return
+	} else if (j1 < 1 || j2 > IM_LEN(im,2) || j1 > j2) {
+	    ier = IE_YOOB
+	    call im_seterrim (ier, im)
+	    return
+	} else if (k1 < 1 || k2 > IM_LEN(im,3) || k1 > k2) {
+	    ier = IE_ZOOB
+	    call im_seterrim (ier, im)
+	    return
+	} else if (IM_PIXTYPE(im) != TY_SHORT) {
+	    ier = IE_NOTSHORT
+	    call im_seterrim (ier, im)
+	    return
+	}
+
+	npix = i2 - i1 + 1
+	nchars = npix * SZ_SHORT
+	ip = 1
+
+	do k = k1, k2 {
+	    do j = j1, j2 {
+		# Compute offset into pixel file.
+		offset = IM_PIXOFF(im) + (i1-1) * SZ_SHORT +
+		    ((k-1) * IM_LEN(im,2) + (j-1)) * IM_LINESIZE(im)
+
+		# Write one line of data.
+		if (nchars != imwpix (im, buf[ip], nchars, offset, 0)) {
+		    ier = IE_WRPIX
+		    call im_seterrim (ier, im)
+		    return
+		}
+
+		ip = ip + npix
+	    }
+	}
+
+	ier = OK
+end