Why so artifacted? - Githubissues

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

Closed kylebarron closed 4 years ago

kylebarron commented 4 years ago

If you load https://kylebarron.dev/usgs-topo-mosaic/#11.86/38.05725/-119.58668, and set to "Oldest Available" and "Medium Scale Map", you see a very artifacted image

Screenshot:

But the tile itself isn't bad:

https://us-west-2-lambda.kylebarron.dev/usgs-topo/12/687/1579@1x.jpg?url=dynamodb%3A%2F%2Fus-west-2%2Fusgs-topo_medium_oldest.v2

This uses this mosaic I believe.

kylebarron commented 4 years ago

Lol I'm such an idiot... I'm loading 256 pixel tiles and not setting tileSize: 256 in the website