If you are referring to the screen shot I posted, it is just the built in map. I dislike coloring an entire depth range, too distracting, so I set a range color at the outer bounds. I.e. the green line is 17 to 20 ft.
I can still see depth ranges at a glance and it is easy to follow contours but am not distracted by all the shading. Just me being weird.
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