I have something of the sort. Give it later, lon and a value, it performs cubic interpolation and forms a heatmap. Some of the code is specific to my applicati

I have something of the sort. Give it later, lon and a value, it performs cubic interpolation and forms a heatmap. Some of the code is specific to my application but I'm sure you can reuse. https://github.com/rraks/sigcatch https://github.com/rraks/sigcatch Open to contributions.