[postgis-devel] [gdal-dev] Question about gdal2wktraster

Jorge Arévalo jorge.arevalo at gmail.com
Tue Jul 14 08:13:05 PDT 2009


Hello,

On Tue, Jul 14, 2009 at 3:28 PM, Mateusz Loskot<mateusz at loskot.net> wrote:
>>> I'd suggest to test datasets based on EPSG 4326 first.
>>> After these work for you, then switch to projected ones.
>>
>> Do you know where can I find geotiff images based on EPSG:4326?
>
> Jorge,
>
> My favorite images for initial and basic testing of WKT Raster are here:
>
> http://download.osgeo.org/gdal/data/gtiff/
>
> First, I use utm.tif to test if 1 band raster works.
> This one is UTM (EPSG:26711) not WGS 84, but it's perfectly usable as such.
> Also, you can easily transform it to WGS84 with GDAL utils if you like.

Actually, this is the same image I was using (cea.tif), but mine has
wrong srid... Thanks a lot for the info!


>
> Next, I switch to >1 bands datasets and for this purpose I use
> small_world.tif. This one is WGS 84 (EPSG:4326).
>
> When my WKT Raster software works with these two images, I start playing
> with other and big datasets.
>
> I think that small files will make it easier to debug your driver.

Yes. Just now, I'm debugging :-)

Thanks again, and best regards
Jorge



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