$for (silrdx)

# TZYX3 -- Generic 3d transpose, x->z, y->y, z->x.  The arrays need not be
# identical.

procedure tzyx3$t (a, b, nx, ny, nz)

PIXEL	a[nx, ny, nz], b[nz, ny, nx]
int	nx, ny, nz, x, y, z

begin
	do x = 1, nx
	   do y = 1, ny
	       do z = 1, nz
		   b[z, y, x] = a[x, y, z]
end

$endfor