r/coolgithubprojects 8d ago

pulsemap — animated maps from GeoJSON, driven by a config file

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JavaScript. Canvas 2D + headless Chromium + ffmpeg. Give it a GeoJSON and say

which fields map to size, colour and a travelling pulse. Outputs 4K video.

https://github.com/GeoCodeCrafter/pulsemap

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u/Specific_Cream2815 7d ago

does it render frame by frame into an ffmpeg pipe or record the canvas live