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You could, you'd just have to be wary of how large the header metadata would be. If you had a single Cloud-Optimized GeoTIFF of the world with internal tiles up
by kylebarron 5y ago
You could, you'd just have to be wary of how large the header metadata would be. If you had a single Cloud-Optimized GeoTIFF of the world with internal tiles up to zoom 14, the header metadata could be a few MB, which wouldn't be ideal to load in every client.
- gregsadetsky 5y agoThe posts on this topic on your site are really fascinating! https://kylebarron.dev/blog/cog-mosaic/overview https://kylebarron.dev/blog/cog-mosaic/overview https://kylebarron.dev/blog/cog-mosaic/naip https://kylebarron.dev/blog/cog-mosaic/naip
- kylebarron 5y agoThanks! The text is still relevant but those demos are a little old. If you're curious these demos are from last week (using Cloud-Optimized GeoTIFFs under the hood to serve image data quickly): - https://studio.unfolded.ai/public/9a2c5cd8-f0f0-43ce-b231-78bb6af905fb https://studio.unfolded.ai/public/9a2c5cd8-f0f0-43ce-b231-78... - https://studio.unfolded.ai/public/96c70224-dd89-431f-ae7a-0a56d9e2efb7 https://studio.unfolded.ai/public/96c70224-dd89-431f-ae7a-0a... - https://studio.unfolded.ai/public/af792fd8-1990-4cdc-bf2b-99e6a1ad3b45 https://studio.unfolded.ai/public/af792fd8-1990-4cdc-bf2b-99...
- kylebarron 5y agoSee also: https://github.com/pangeo-data/cog-best-practices/issues/9 https://github.com/pangeo-data/cog-best-practices/issues/9
- simonw 5y agoSad to say it but these days loading a few MB to a client is par for the course. I don't think it's a reason not to try and get this working - the range header trick does sound particularly relevant to this format. UPDATE: Just read https://kylebarron.dev/blog/cog-mosaic/overview https://kylebarron.dev/blog/cog-mosaic/overview which is excellent and clearly you're already very on top of the range request mechanism!