[gdal-dev] WCS driver

Edzer Pebesma edzer.pebesma at uni-muenster.de
Tue Oct 24 03:08:22 PDT 2017



On 10/23/2017 08:47 PM, Even Rouault wrote:
> On lundi 23 octobre 2017 18:31:58 CEST Ari Jolma wrote:
>> Peter Baumann kirjoitti 23.10.2017 klo 18:01:
>>> Hi all,
>>>
>>> splendid idea! Anybody who feels like working on WCS 2 support, feel free
>>> to contact me or my group for any sort of explanations sought (I am the
>>> spec writer of the coverages, admittedly). Note that the Coverage
>>> Implementation Schema (CIS) 1.1 is out.  Maybe this is a good starter:
>>> http://external.opengeospatial.org/twiki_public/CoveragesDWG/WebHome .
>>
>> "universe of optional extensions"
>>
>> sounds like a fun software development project :)
>>
>> In short, how well do you see WCS 2 / the coverage model fits GDAL data
>> model? It's not just raster anymore, right?
> 
> You can certainly expose traditional 2D rasters with WCS 2. This is what 
> MapServer does for example. If you want to deal with higher dimension 
> coverages too, you'd probably have to use the subdataset concept of GDAL (if 
> there are not too many values on the other axis) or require the user to set 
> the values of the n > 2 dimensions. This was already the case in the current 
> driver with the time dimension.

The netcdf files I looked at through the GDAL driver had time and/or
depth offered as different gdal layers, and offered different variables
(i.e. different coverages) as subdatasets.

Which other GDAL drivers give direct access to time-varying raster
stacks in single files?

> 
> Even
> 

-- 
Edzer Pebesma
Institute for Geoinformatics
Heisenbergstrasse 2, 48151 Muenster, Germany
Phone: +49 251 8333081


More information about the gdal-dev mailing list