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diff --git a/pkg/images/imgeom/src/imtrans.gx b/pkg/images/imgeom/src/imtrans.gx
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+$for (silrdx)
+
+# IMTR2 -- Generic transpose. The arrays need not be identical.
+
+procedure imtr2$t (a, b, nx, ny)
+
+PIXEL a[nx, ny], b[ny, nx]
+int nx, ny, x, y
+
+begin
+ do x = 1, nx
+ do y = 1, ny
+ b[y, x] = a[x, y]
+end
+
+$endfor