Re: [gdal-dev] Space optimization of OSM XYZ tiles

2023-05-26 Thread Laurențiu Nicola via gdal-dev
Hi Eric, Yes, you can transcode them on the fly with a server like https://github.com/developmentseed/titiler. I haven't used that one, but wrote a prototype of something like that in the past. You might want to have the original in EPSG:3857, though, to avoid the need to reproject the tiles w

[gdal-dev] Space optimization of OSM XYZ tiles

2023-05-24 Thread Eric Knudstrup via gdal-dev
I've just begun experimenting with adding a mosaic of GeoTIFFs to a smartphone application that needs to be available offline. I was wondering if the transcoding could be done on demand on the 70Mb GeoTIFFs rather than having to store hundreds of megabytes of PNG files. Or are there other optimi