[gdal-dev] subdatasets of

[Michael Sumner]

Excellent, thanks so much it's definitely not GDAL-related, a surprising
problem in the way I'm getting the strings out.

Appreciate the very fast response!

Best, Mike



On Tue, Aug 31, 2021 at 8:14 PM Even Rouault <even.rouault at spatialys.com>
wrote:

> Michael,
>
> apart your code not using the same GDAL version as the one of gdalinfo
> (but I can't recall versions having such issues), or a flow in your code, I
> don't see why you'd this.
>
> Even
> Le 31/08/2021 à 12:07, Michael Sumner a écrit :
>
> Hello, I'm having trouble getting subdataset names programatically from
> the WMTS/OGC Web Map Tile Service
>
> Using
>
> /vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml
>
> I see many well named SDS sources from gdalinfo, i.e. listed below.
>
> But when I try to obtain these programatically I only get repeated values
> : literally
>
> "WMTS:/vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml,layer
> "
>
> I'm using (effectively)
>
> char **SDS = poDataset->GetMetadata("SUBDATASETS");
>
> and that gives me the same value for every SDS, i.e. no layer name.
>
> Is there something extra that needs to be done especially for WMTS? I
> can't figure it out from the sources.
>
> Thanks for any help!
>
> Best, Mike
>
>
>
> gdalinfo  /vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml
> Driver: WMTS/OGC Web Map Tile Service
> Files: /vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml
> Size is 512, 512
> Origin = (0.000000000000000,0.000000000000000)
> Pixel Size = (1.000000000000000,1.000000000000000)
> Subdatasets:
>   SUBDATASET_1_NAME=WMTS:/vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml,layer=AMSRE_Sea_Ice_Concentration_12km
>   SUBDATASET_1_DESC=Layer Sea Ice Concentration (12 km, AMSR-E, Aqua)
>   SUBDATASET_2_NAME=WMTS:/vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml,layer=AMSRE_Snow_Depth_Over_Ice
>   SUBDATASET_2_DESC=Layer Snow Depth Over Ice (12 km, AMSR-E, Aqua)
>   SUBDATASET_3_NAME=WMTS:/vsicurl/
> https://gibs.earthdata.nasa.gov/wmts/epsg3031/best/1.0.0/WMTSCapabilities.xml,layer=AMSRE_Sea_Ice_Concentration_25km
>   S
>
> --
> Michael Sumner
> Software and Database Engineer
> Australian Antarctic Division
> Hobart, Australia
> e-mail: mdsumner at gmail.com
>
> _______________________________________________
> gdal-dev mailing listgdal-dev at lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev
>
> -- http://www.spatialys.com
> My software is free, but my time generally not.
>
>

-- 
Michael Sumner
Software and Database Engineer
Australian Antarctic Division
Hobart, Australia
e-mail: mdsumner at gmail.com
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