Brandon Liu

Results 552 comments of Brandon Liu

Parquet encodings: https://parquet.apache.org/docs/file-format/data-pages/encodings/

* extend spec to compress entire subtrees (ocean tiles) ?

* Move certain fields into header instead of metadata, to avoid blocking on large metadata * `bbox`, `minzoom`, `maxzoom`, `tile_type`, `compression`, `clustered`

* Benchmark against Parquet size

Consider if we should add leaders/trailers: https://gdal.org/drivers/raster/cog.html the COG 16KB assumptions seem good

Ghost sections / extensions, example: storing offset->hash in a ghost section to enable efficient diffing of two PMTiles archives

I'm not really familiar with Cordova; what interface does it provide to access files on disk? PMTiles is designed for HTTP and standard browser apis like `fetch`. If you have...

That looks like it can work; I already have an implementation built on the Web File API as part of the inspector, but it's not abstracted out into the library:...

It depends on Cordova's implementation of the File API - the inspector mentioned above https://protomaps.github.io/PMTiles/examples/inspector.html certainly doesn't load the entire file into memory at least on Chrome, Firefox and Safari,...

In theory, Cordova can work out of the box now with FileAPISource: https://github.com/protomaps/PMTiles/blob/master/js/index.ts#L239 or may require a slightly custom implementation. Is there any action items here or an example open...