Hi list,
on that occasion it may be noteworthy that OGC is about to publish a Request for
Comments (RFC) on the
10-140 OGC Web Coverage Service - Earth Observation Application Profile
nicknamed EO-WCS. This specification, which has been tasked by ESA, specializes
WCS for use in remote sensing.
An open source reference implementation of EO-WCS is available with EOxServer,
see www.eoxserver.org. Among other features, it provides a tight integration
with MapServer and GDAL.
Thought this might be of interest to the list.
-Peter
On 06/26/2011 12:25 AM, Even Rouault wrote:
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
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