[gdal-dev] Call for discussion on RFC 92 text: WKB Only geometries

[Seth G]

Hi Even,

Is it correct to say the workflow for OGR layer in MapServer is similar to that of QGIS?
OGR features / geometries are loaded, and then converted into MapServer shapes using the OGRGeometry function [1]. Would using WKB here be any more performant?
The PostGIS driver already has code to convert from WKB to shape [2] which could be repurposed. 

Seth

[1] https://github.com/MapServer/MapServer/blob/f3f05d4cf30af615d5f443a1c47c20b6117e52cb/mapogr.cpp#L250
[2] https://github.com/MapServer/MapServer/blob/f3f05d4cf30af615d5f443a1c47c20b6117e52cb/mappostgis.cpp#L663

--
web:https://geographika.net
twitter: @geographika

On Tue, Jan 31, 2023, at 12:27 PM, Even Rouault wrote:
> Hi,
>
> Please find for review "RFC 92 text: WKB Only geometries" at 
> https://github.com/OSGeo/gdal/pull/7149
>
> This RFC provides shortcuts to avoid instantiation of full OGRGeometry 
> instances
> in scenarios where only the WKB representation of geometries is needed. The
> hope is to save CPU time.
>
> This is something I wanted to at least experiment. I've mixed feelings 
> if it's something we actually want to adopt.
>
> Even
>
> -- 
> http://www.spatialys.com
> My software is free, but my time generally not.
>
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/gdal-dev