Hi, I think that the odd colors are due to the PPL SHASET RESET. That command resets the list of colors on the whole page, so it is NOT always safe to put it in after every plot when the color scale is changing. You can do this: Issue the PPL SHASET RESET command after each plot which will have the same colors repeated in a subsequent viewport. Restarting the list of color definitions when they are going to be redefined in the same way in the next plot doesn't lose anything. So if you specify the same color levels and palette on the first three viewports, it's fine to reset after the first two are drawn. Showing just the viewport and FILL commands from your script for clarity, SET VIEWPORT A1There was a bug with SHAKEY in combination with and (inf) levels, but that was fixed a number of years ago; if anyone has an example where it is causing Ferret to hang or crash please report it. -Ansley On 4/7/2016 5:11 AM, afwande juliet
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