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GeoGraphics: How can I use multiple layers loaded from different servers?

Posted 7 years ago

Cross posted from M.SE


We can use GeoServer to use map tiles from an external service. There are many compatible services:

These services often provide unlabelled background maps, as well as various layers to superimpose on a base map (e.g. labels only, borders only, etc.).

How can we use multiple layers, possibly loaded from multiple different servers, in a way that integrates well with the GeoGraphics functionality and also work with DynamicGeoGraphics?


For example, using the definitions from the above linked answer,

base = GeoGraphics[{Entity["Country", "Hungary"]}, 
  GeoServer -> stamen["watercolor"]]

Mathematica graphics

labels = GeoGraphics[{Entity["Country", "Hungary"]}, 
  GeoServer -> carto["light_only_labels"]]

Mathematica graphics

We could layer these together manually using one of multiple possible ways, e.g.

Overlay[{base, labels}]

Mathematica graphics

But this is not a good solution because it requires multiple GeoGraphics calls that are independent, and does not work with functions like DynamicGeoGraphics.

POSTED BY: Szabolcs Horvát
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