No good way to simultaneously visualize multiple costmaps

[rotu]

If you want to visualize multiple costmaps, it's hard to tell them apart if you use the default costmap palette. Maybe a solution is to parameterize the different costmap palettes?

Here's what you get if you enable both the local and global costmaps on your visualization:

[rotu]

Every existing color scheme is based on a simple linear color gradient, so adding an editor to set the color for particular values, and interpolate for the rest should do the trick.