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Data Wrangling Problems

Create custom map data

A solution pattern for building only the geographic features you need from scratch

Use this pattern when the points, lines, or polygons you need are not available as ready-made data and you have to create them yourself.

Solution

Use a tool that lets you draw points, lines, and polygons directly on top of a base map and export GeoJSON. Start with the minimum area or features you need, then add attributes afterward.

Tool

GeoJSON.io
dataprep.jp
GeoJSON.io
Create GeoJSON while tracing over map tiles
geojson.dataprep.jp

Good fit for

  • Creating a small custom map dataset
  • Drawing survey points or movement paths
  • Building GeoJSON without a full GIS workflow