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An Inside Look at GeoJSON Ballparks

James Fee
October 14, 2020

An Inside Look at GeoJSON Ballparks

I've spent the last 5+ years trying to map every professional ballpark in the world. I've failed but that's OK.

James Fee

October 14, 2020

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Other Decks in Technology


  1. James Fee - October 14, 2020 GeoJSON Ballparks When a

    simple twitter question sparks a passion for mapping
  2. Baseball? A soccer football fan’s introduction to America’s pastime •

    Possibly derived from Rounders or Cricket • First recorded games occurred by 1845 in NYC • Professional baseball started in 1876 and eventually became the MLB which governs baseball today • San Francisco Giants have won 11,194 games since founding in 1883.
  3. Playing Baseball • Two teams • 9 innings • 3

    outs/team each inning • Pitcher/Batter • Fielders • Hit/Out • Rounding bases
  4. Statistics Baseball is a fountain of data for analysis •

    Sabermetrics - empirical analysis of baseball statistics • Retrosheet - computerizing the box score of every major league baseball game ever played • Chadwick Baseball Bureau - Clean baseball data • Moneyball -
  5. Mapping Every Professional Ballpark If only it was easy •

    Requirements to map ballpark • Professional baseball team • Find the stadium • Map lat/long of home plate
  6. Hardest Problem? Google is no help • Finding a stadium

    • Teams don’t always play in the same stadium year after year • Address for team is usually an office building • Stadium names are vague • Imagery is usually poor outside of NA/EU/AUS/JPN/Korea • Wikipedia - but….
  7. Sherlock Searching for a stadium with no info • Google

    Images • Social Media • Exif • Old fashioned panning Google Earth and feeling lucky
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