[QGIS-Developer] Processing: questions on temporary files

[Alexander Bruy]

There is a FlatGeoBuf [0], probably we can use it or at least get some ideas.

[0] https://github.com/bjornharrtell/flatgeobuf

чт, 5 груд. 2019 о 09:18 Richard Duivenvoorde <rdmailings at duif.net> пише:
>
> On 05/12/2019 01.01, Nyall Dawson wrote:
> > What's needed/missing is a method for the memory data provider to
> > detect when a layer is growing too large, and start writing this out
> > to disk. (Important note: we CAN'T use any of the standard spatial
> > formats for this (as they are lossy when compared to the memory
> > provider support), so we'd need to directly serialize the memory layer
> > features to a custom binary format, with indexing support for rapid
> > retrieval of features.
>
> If I understand correct, FME is also working with (indexed) temp files?
> I'm not an FME user, so I can bu wrong, but I always wondered what kind
> of format that is...
>
> IF we (as FOSS community) could come up with some (new?) indexed file
> format, it (besides being a in-between product for transformations) also
> a potential data exchange format (maybe some zipped version of file+index?)?
>
> Anybody into this?
>
> Regards,
>
> Richard Duivenvoorde
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-- 
Alexander Bruy