Jeff Albrecht

I think this may have been fixed but I'd like to do one more pass through all of the conformance classes after #432 is finished.

I think accepting an item collection is the best choice. I don't think VRT creation would require anything outside of the items themselves, so the additional top-level fields provided by...

> also interesting discussion about how S3 throttling works for single files versus separate files. minor clarification. S3 throttles per [key prefix](https://aws.amazon.com/premiumsupport/knowledge-center/s3-request-limit-avoid-throttling/#:~:text=You%20can%20send%203%2C500%20PUT,can%20have%20in%20your%20bucket.) which means its less about single/separate files and...

Makes sense to me since it mostly maps `rio-tiler` funcs over many images. Maybe a `rio_tiler.mosaic` module?

FWIW I solved this with: ```python # gdf is a dataframe with empty geometries gdf = gdf[~gdf.is_empty] ```