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mapbox / geobuf

A compact binary encoding for geographic data.
ISC License
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Slight confusion on sample compression rate table #81

Closed donmccurdy closed 7 years ago

donmccurdy commented 7 years ago

In the table from README.md,

file normal gzipped
us-zips.json 101.85 MB 26.67 MB
us-zips.pbf 12.24 MB 10.48 MB
idaho.json 10.92 MB 2.57 MB
idaho.pbf 1.37 MB 1.17 MB

I assume that the gzipped column refers to gzipped AND geobuf-encoded, not just uncompressed GeoJSON vs gzipped GeoJSON? If so, it might be helpful to clarify that and maybe include a gzip-only column.

Thanks!

mourner commented 7 years ago

You can see what it refers to by looking at the file names — .json is GeoJSON, and .pbf is Geobuf. I should probably reformat the table to make this clearer.

donmccurdy commented 7 years ago

Ahh I read that too quickly. Makes sense, thanks!