[gdal-dev] Call for discussion for "RFC38 - OGR Faster Open"

[Sjur Kolberg]

For what it's worth...

I'd be happy to see a development towards GDALDataset and OGRDataSource inheriting from the same superclass.

This is due to writing process modelling algorithms that can operate on several geometries.

Sjur K :-)


> -----Original Message-----
> From: gdal-dev-bounces at lists.osgeo.org [mailto:gdal-dev-
> bounces at lists.osgeo.org] On Behalf Of Frank Warmerdam
> Sent: 14. april 2012 22:40
> To: Even Rouault
> Cc: gdal-dev at lists.osgeo.org
> Subject: Re: [gdal-dev] Call for discussion for "RFC38 - OGR Faster Open"
> 
> On Sat, Apr 14, 2012 at 1:36 PM, Even Rouault <even.rouault at mines-paris.org>
> wrote:
> > Le samedi 14 avril 2012 22:21:53, Frank Warmerdam a écrit :
> >> Even,
> >>
> >> I am generally in favor of this, but I aspire in GDAL 2.0 to migrate
> >> OGR to using GDALDriver mechanisms which would include being based
> >> around GDALOpenInfo.  I am not sure if it is better to make the
> >> GDALOpenInfo change as part of that broader effort or as a distinct
> >> RFC and work item.
> >
> > What do you call "using GDALDriver mechanisms" exactly ?
> >
> > Because I don't see how we can make OGRSFDriver extend GDALDriver if
> > that's what you have in mind...
> 
> Even,
> 
> My intention is that OGRSFDriver would go away and OGR drivers would be
> registered with GDALDriverManager the same way GDAL drivers are.  This would
> go along with changes to OGRDataSource, possibly making it a subclass of
> GDALDataset or perhaps a new super class of GDALDataset.
> 
> Well, my thinking on this is all still half baked, but the goal is that OGR
> will have all the benefits of GDAL's metadata and driver manager and I even
> dream of being able ot have one dataset object with raster bands and vector
> layers for things like a PCIDSK file.
> 
> Of course there will be some disruption - I think particularly on the OGR side
> which is why I have waited for 2.0.
> 
> I hope to prepare some sort of roadmap for this in coming weeks.
> 
> Best regards,
> --
> ---------------------------------------+--------------------------------
> ---------------------------------------+------
> I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam and watch
> the world go round - Rush    | Geospatial Software Developer
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