Github user eddies commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/728#issuecomment-193127569 > I think the heatmap is a nice addition to the basic map. Maybe it could be toggled as an option instead of a different visualization button (just like the options in line chart) I agree. In fact, what I really would want to see is an implementation of graphOptions that would, at a minimum, let the user select the lat/lon columns rather than the hard-coded column index assumptions. But I figured we could call that a future enhancement request, rather than let this (or the original PR) languish any longer....
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