Perhaps you need a "movie"? You can use different colours to show the progression of values at the spatial points as well.
Something I've used in the past to visualise space-time datasets is Xgobi (or Ggobi). Feed it a dataframe of x, y, t, numbers then set up two plots:
* an x-y plot - the "map" * an x-t or y-t plot - it doesn't matter as long as 't' is on one axis.
Now make a long, thin brush so that when placed on the x-t plot it highlights a small amount of t-space but all the x-space. This will then select all the points in a small time-space.
With linked plots, you can either set transient highlighting and see points come-and-go in the map as you drag the brush on the time-plot, or persistent highlighting and then start at t=0 and drag up to t=tmax, showing the birth of points in time building up the final pattern.
Baz
[pingping: I'll install this on your machine and give you a demo if you want]
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