Since a few months I’ve been selling some Magic: the Gathering cards on CardMarket. Last week I realized I could extract the address from buyers from eml files (exported emails) with orders. From those the (approximate*) location using Google’s Geocoding API can be found and plotted using Altair. This gives a visual overview where my cards are ending up !
Hovering over the map shows summary stats for each country or location. The color coding can be changed dynamically with the combo-box below the chart. Locations close to each other are combined and shown with a larger dot, numbers inside the dots indicate how many orders were shipped to that municipality (or combination of municipalities).
(*) to ensure buyers’ addresses aren’t made public, the center of their municipality is used instead of the exact location.
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