1 files changed, 22 insertions, 0 deletions
diff --git a/noao/nproto/ir/irimzero.x b/noao/nproto/ir/irimzero.x
new file mode 100644
index 00000000..013ab2d6
--- /dev/null
+++ b/noao/nproto/ir/irimzero.x
@@ -0,0 +1,22 @@
+
+# IR_IMZERO -- Fill the output image with a constant value.
+
+procedure ir_imzero (im, ncols, nlines, value)
+
+pointer	im		# pointer to the output image
+int	ncols		# number of columns
+int	nlines		# number of lines
+real	value		# default blank value
+
+int	i
+pointer	obuf
+pointer	impl2r()
+
+begin
+	do i = 1, nlines {
+	    obuf = impl2r (im, i)
+	    if (obuf == EOF)
+		call error (0, "Error writing output image.")
+	    call amovkr (value, Memr[obuf], ncols)
+	}
+end