[gdal-dev] WCS driver, GetSubdatasets (Python) returns empty list

Jachym Cepicky jachym.cepicky at gmail.com
Sat Jun 25 19:08:57 EDT 2011


Evan, thanks for answer


it works!!

Thanks

Jachym


2011/6/26 Even Rouault <even.rouault at mines-paris.org>:
> Le dimanche 26 juin 2011 00:03:55, Jachym Cepicky a écrit :
>> Hi,
>>
>> using Python, gdal 1.8.0, Ubuntu
>>
>> I need to access some Temporal information about available WCS layer
>
> Jachym,
>
> Frank has added support for WCS temporal information in GDAL trunk just a few
> days ago. So it is not available in GDAL 1.8.0 (I've just updated the doc to
> mention that)
>
> With a GDAL build from trunk, gdalinfo shows this :
>
> Driver: WCS/OGC Web Coverage Service
> Files: time.xml
> Size is 645, 585
> Coordinate System is:
> PROJCS["GGRS87 / Greek Grid",
>    GEOGCS["GGRS87",
>        DATUM["Greek_Geodetic_Reference_System_1987",
>            SPHEROID["GRS 1980",6378137,298.257222101,
>                AUTHORITY["EPSG","7019"]],
>            TOWGS84[-199.87,74.79,246.62,0,0,0,0],
>            AUTHORITY["EPSG","6121"]],
>        PRIMEM["Greenwich",0,
>            AUTHORITY["EPSG","8901"]],
>        UNIT["degree",0.0174532925199433,
>            AUTHORITY["EPSG","9122"]],
>        AUTHORITY["EPSG","4121"]],
>    UNIT["metre",1,
>        AUTHORITY["EPSG","9001"]],
>    PROJECTION["Transverse_Mercator"],
>    PARAMETER["latitude_of_origin",0],
>    PARAMETER["central_meridian",24],
>    PARAMETER["scale_factor",0.9996],
>    PARAMETER["false_easting",500000],
>    PARAMETER["false_northing",0],
>    AUTHORITY["EPSG","2100"],
>    AXIS["Easting",EAST],
>    AXIS["Northing",NORTH]]
> Origin = (409900.000000000000000,4503200.000000000000000)
> Pixel Size = (20.000000000000000,-20.000000000000000)
> Metadata:
>  TIME_POSITION=2010-10-17T04:00:00.000Z
> Subdatasets:
>  SUBDATASET_1_NAME=WCS_SDS:time="2010-10-17T00:00:00.000Z",time.xml
>  SUBDATASET_1_DESC=Coverage 20101012T210222_pig at time
> 2010-10-17T00:00:00.000Z
>  SUBDATASET_2_NAME=WCS_SDS:time="2010-10-17T01:00:00.000Z",time.xml
>  SUBDATASET_2_DESC=Coverage 20101012T210222_pig at time
> 2010-10-17T01:00:00.000Z
>  SUBDATASET_3_NAME=WCS_SDS:time="2010-10-17T02:00:00.000Z",time.xml
>  SUBDATASET_3_DESC=Coverage 20101012T210222_pig at time
> 2010-10-17T02:00:00.000Z
>  SUBDATASET_4_NAME=WCS_SDS:time="2010-10-17T03:00:00.000Z",time.xml
>  SUBDATASET_4_DESC=Coverage 20101012T210222_pig at time
> 2010-10-17T03:00:00.000Z
>  SUBDATASET_5_NAME=WCS_SDS:time="2010-10-17T04:00:00.000Z",time.xml
>  SUBDATASET_5_DESC=Coverage 20101012T210222_pig at time
> 2010-10-17T04:00:00.000Z
> Corner Coordinates:
> Upper Left  (  409900.000, 4503200.000) ( 22d56' 2.07"E, 40d40'29.14"N)
> Lower Left  (  409900.000, 4491500.000) ( 22d56' 8.10"E, 40d34' 9.76"N)
> Upper Right (  422800.000, 4503200.000) ( 23d 5'11.49"E, 40d40'33.86"N)
> Lower Right (  422800.000, 4491500.000) ( 23d 5'16.66"E, 40d34'14.45"N)
> Center      (  416350.000, 4497350.000) ( 23d 0'39.58"E, 40d37'21.89"N)
> Band 1 Block=645x585 Type=Float64, ColorInterp=Undefined
>
> So your best luck is to checkout svn trunk and build by yourself ;-)
>
> Best regards,
>
> Even
>



-- 
Jachym Cepicky
e-mail: jachym.cepicky gmail com
URL: http://les-ejk.cz
GPG: http://les-ejk.cz/pgp/JachymCepicky.pgp


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