kylebarron / usgs-topo-tiler

Python package to read Web Mercator map tiles from USGS Historical Topographic Maps
https://kylebarron.dev/usgs-topo-mosaic
MIT License
77 stars 3 forks source link

Improve generating mosaic for non-standard quads #3

Closed kylebarron closed 4 years ago

kylebarron commented 4 years ago

I currently deduplicate using exact geometries, because for the vast majority of the time, all topo maps are on the same grid. However there are some old maps of the LA region that are on a non-standard grid:

image image

For quadkey: '02301231131' there were 100 source assets, and 19 kept after deduplication.