[Qgis-developer] GDAL 2.1 can update Geojson files - What is missing in QGIS to edit GeoJSON files ?

[Matthias Kuhn]

On 01/14/2016 04:47 PM, Even Rouault wrote:
> Le jeudi 14 janvier 2016 16:38:43, Matthias Kuhn a écrit :
>> Hi Michaël
>>
>> On 01/14/2016 04:18 PM, kimaidou wrote:
>>> Hi QGIS,
>>>
>>> I have read that GDAL can now update GeoJSON  since version 2.1.0. See
>>> [1]
>>>
>>> If I build QGIS with GDAL 2.1, would I be able to edit the GeoJSON as
>>> I can for Shapefiles ? For the record, capabilities are defined here [2]
>>>
>>> Perhaps the GDAL doc about "updating existing GeoJSON files" has a
>>> different meaning that the need raised by Even Rouault here [3]
>>>
>>> Or is the best approach to create a specific QGIS driver for GeoJSON ?
>>> I would try to propose a PR for this if this is the best way to go.
>> Giving GDAL 2.1 a try will be way less effort than implementing a
>> GeoJSON driver inside QGIS. And if there are things still left to be
>> fixed, it's probably better to fix things on the GDAL end since this way
>> the support for it is in a library shared by many FOSSGIS tools.
>>
>> (Please note that this recommendation is only meant for non-database
>> providers. Feel free to propose a native GeoPackage driver ;) )
> Just curious to know what advantage a native GeoPackage driver would bring 
> over the one in OGR ?

It will benefit from expression compiling (for filtering and order by)
which results in performance improvements when it can be applied.

>> All the best

-- 
Matthias Kuhn
OPENGIS.ch - https://www.opengis.ch
Spatial • (Q)GIS • PostGIS • Open Source


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