[postgis-devel] Contributing code to PostGIS Raster

[Bborie Park]

On Wed, Mar 23, 2011 at 8:59 AM, Pierre Racine
<Pierre.Racine at sbf.ulaval.ca> wrote:
>>> Was there anything implemented yet? Could Bborie take over? So you could focus on the GDAL driver
>>(and tickets)?
>>>
>>
>>rt_raster_dump_as_wktpolygons transform a PostGIS Raster in a GDAL
>>Raster using VRT driver. This is the closest implemented reference for
>>Bborie right now, I think.
>>
>>Anyway, I can work on GDAL PostGIS Raster driver at same time. There
>>should be no interference.
>
> So I guess we can leave this to Bborie. Ok for you Bborie?
>
> Just mimic rt_raster_dump_as_wktpolygons to pass the PostGIS Raster to GDAL and return the raster returned by GDAL. Et voila! Then you can implement the wrappers...
>

Sounds good to me.

>>> What about "FV.05 - Being able to reproject a raster"? I guess the plan was also to pass the raster
>>to GDAL. Anything implemented?
>>>
>>
>>Not yet, but gdalwarp.cpp may be a good starting point
>>http://trac.osgeo.org/gdal/browser/trunk/gdal/apps/gdalwarp.cpp
>
> There you go Bborie...
>

Also good.

> ST_Resample (part of FV.06) would also be very useful and be implemented in a very similar way same way as FV.05 if you have time.
>
>>> I am planning to work on FV03 in some weeks as there was a nice progress made by David during the
>>code sprint. FV03 should almost be trivial to implement now and I have people here who need it.
>>>
>>
>>Great! Are you planning to use C implementation? Could you test the
>>last changes?
>
> Yes. I'm finishing reviewing ST_AddBand (#871) and then will test your fix to MapAlgebra. Then I will do, in order, #866, #643, #644, #645. I will then start working on FV.03.
>
> Sounds good for everybody?
>

Sounds good to me.  Should I be providing patches once all the
functions of a FV is complete or whenever I'm complete with a
function?

> Pierre
>
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>

Thanks all,

-bborie

-- 
Bborie Park
Programmer
Center for Vectorborne Diseases
UC Davis
530-752-8380
bkpark at ucdavis.edu