Documentation [here](https://www.clawpack.org/quick_tsunami_old.html) needs to be updated according to the [new tool](https://github.com/clawpack/geoclaw/blob/master/src/python/geoclaw/topotools.py) used after [deprecating `TopoPlotData`](https://github.com/clawpack/visclaw/commit/c22e6e6467df79cc6b74275460791307e8c77264).