fix some cf issues

modules/util/viirs_l1b_l2.py

@@ -189,7 +189,7 @@ def run(data_h5f, label_h5f, data_tiles, label_tiles, mod_tile_width=64, kernel_
     num_keep_x_tiles = 1
     # i_skip = 3 * mod_tile_width
     i_skip = 1
-    j_skip = 3 * mod_tile_width
+    j_skip = 2 * mod_tile_width
     #i_start = int(mod_num_pixels / 2) - int((num_keep_x_tiles * 3 * mod_tile_width) / 2)
     i_start = int(mod_num_pixels / 2) - int((mod_tile_width) / 2)