Use a contour plot

[amamory]

In a lawnmower path, use a contour plot such as this example, to represent the data.

[amamory]

other example using folium
https://www.tjansson.dk/2018/10/contour-map-in-folium/

[amamory]

https://hvplot.holoviz.org/
https://hvplot.holoviz.org/reference/pandas/bivariate.html#pandas-gallery-bivariate
https://hvplot.holoviz.org/reference/xarray/contour.html#xarray-gallery-contour

When used with streamz DataFrames, hvPlot can very easily plot streaming data to get a live updating plot: