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
<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
<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
<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
<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
<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
<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
<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: mdsum...@gmail.com <mailto:mdsum...@gmail.com>
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