Hello list,
I really haven't a clue where to start with this so any pointers would be
gratefully received.
I have a global data set residing in a postgres/postgis database. The
geographic spread of the data is random, some areas have a lot of points
whereas others have quite sparse points. The data basically boils down to a
location and an integer value between 0 and 4.
I would like to represent this data as a series of fixed sized cells (shape not
important but hexagonal would look nice!). If no data point resides within a
cell I'd like to colour the cell purple. If more than one data point resides
within a cell I'd like to colour it based on only the highest number amongst
those points within the cell.
I'd like the cells to completely cover (and probably be clipped by) by
coastline data. The net effect I'm after would be the landmasses shown as a
patchwork of coloured cells.
I have tried playing around with a gs:BarnesSurface but I don't see able to get
the results I'm after with this method. Any ideas?
Thanks
Chris
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