1 files changed, 29 insertions, 0 deletions
diff --git a/sys/imio/tf/imgs3l.x b/sys/imio/tf/imgs3l.x
new file mode 100644
index 00000000..5f1294b0
--- /dev/null
+++ b/sys/imio/tf/imgs3l.x
@@ -0,0 +1,29 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+
+# IMGS3? -- Get a section from an apparently three dimensional image.
+
+pointer procedure imgs3l (im, x1, x2, y1, y2, z1, z2)
+
+pointer	im
+int	x1, x2, y1, y2, z1, z2
+long	vs[3], ve[3]
+pointer	imggsl(), imgl3l()
+
+begin
+	if (x1 == 1 && x2 == IM_LEN(im,1) && y1 == y2 && z1 == z2)
+	    return (imgl3l (im, y1, z1))
+	else {
+	    vs[1] = x1
+	    ve[1] = x2
+
+	    vs[2] = y1
+	    ve[2] = y2
+
+	    vs[3] = z1
+	    ve[3] = z2
+
+	    return (imggsl (im, vs, ve, 3))
+	}
+end