Etienne, I don't think so as my netcdf have several subdataset. I have a windows pop up which allow me to choose the subdataset.
Y. Le mercredi 8 février 2012 20:55:20, Etienne Tourigny a écrit : > QGis can open a netcdf file which has only 1 variable (along with > supporting lat/lon or X/Y dimension variables). > Perhaps that is what works for you? > > Etienne > > On Wed, Feb 8, 2012 at 5:42 PM, Yves Jacolin (free) <[email protected]> wrote: > > Hello, > > > > I successfully did it. But my email won't help you as I don't know why. I > > guess my gdal binaries from my company has something specific. > > > > Y. > > > > Le mercredi 8 février 2012 19:59:06, Etienne Tourigny a écrit : > >> It seems that QGis does not support GDAL raster "subdatasets", I get > >> this with netcdf and hdf4 files. > >> > >> Try this: > >> > >> gdal_translate -of vrt NETCDF:"Glb_20111001.nc":cf_DangerRisk > >> danger_risk.vrt qgis danger_risk.vrt > >> > >> For more information on subdatasets see the GDAL netcdf driver page: > >> http://www.gdal.org/frmt_netcdf.html > >> > >> > >> It's a pity this doesn't work directly in QGis - anybody know if this > >> could be fixed/implemented? > >> It would be great to support subdatasets by adding a layer for each > >> subdataset, and perhaps even better with a dialog for selecting a > >> particular subdataset. > >> > >> Regards, > >> Etienne > >> > >> On Wed, Feb 8, 2012 at 3:51 PM, Paolo Corti <[email protected]> wrote: > >> > Hi > >> > sorry if this has been discussed before, but according to what I see > >> > here [1] there was not an answer. > >> > > >> > I need to open a NetCDF file with QGIS. > >> > I am using QGIS 1.7.2, and GDAL 1.9.0. > >> > I can successfully manage NetCDF files with GDAL: > >> > > >> > $ gdalinfo --formats > >> > Supported Formats: > >> > ... > >> > netCDF (rw+): Network Common Data Format > >> > ... > >> > > >> > $ gdalinfo Glb_20111001.nc > >> > Driver: netCDF/Network Common Data Format > >> > Files: Glb_20111001.nc > >> > Size is 512, 512 > >> > Coordinate System is `' > >> > Metadata: > >> > NC_GLOBAL#CDI=Climate Data Interface version 1.4.3 > >> > NC_GLOBAL#CDO=Climate Data Operators version 1.4.3 > >> > (http://www.mpimet.mpg.de/cdo) > >> > NC_GLOBAL#Conventions=CF-1.0 > >> > NC_GLOBAL#history=Wed Oct 12 23:30:47 2011: cdo -s -f nc merge > >> > af01_20111001.nc af02_20111001.nc pf01_20111001.nc pf02_20111001.nc > >> > pf03_20111001.nc pf04_20111001.nc pf05_20111001.nc pf06_20111001.nc > >> > pf07_20111001.nc pf08_20111001.nc pf09_20111001.nc pf10_20111001.nc > >> > pf11_20111001.nc pf12_20111001.nc pf13_20111001.nc pf14_20111001.nc > >> > pf15_20111001.nc pf16_20111001.nc pf17_20111001.nc pf18_20111001.nc > >> > pf19_20111001.nc pf20_20111001.nc pf21_20111001.nc pf22_20111001.nc > >> > pf23_20111001.nc pf24_20111001.nc pf25_20111001.nc pf26_20111001.nc > >> > pf27_20111001.nc pf28_20111001.nc pf29_20111001.nc pf30_20111001.nc > >> > pf31_20111001.nc pf32_20111001.nc pf33_20111001.nc pf34_20111001.nc > >> > pf35_20111001.nc pf36_20111001.nc pf37_20111001.nc pf38_20111001.nc > >> > pf39_20111001.nc pf40_20111001.nc pf41_20111001.nc pf42_20111001.nc > >> > pf43_20111001.nc pf44_20111001.nc pf45_20111001.nc pf46_20111001.nc > >> > pf47_20111001.nc pf48_20111001.nc pf49_20111001.nc pf50_20111001.nc > >> > Glb_20111001.nc > >> > Wed Oct 12 23:30:39 2011: cdo -s -f nc merge > >> > pf50_20111001_DangerRisk.nc pf50_20111001_FWI.nc pf50_20111001.nc > >> > Wed Oct 12 23:30:37 2011: cdo -s -f nc mergetime > >> > pf50_20111001_20111001_FWI.nc pf50_20111001_20111002_FWI.nc > >> > pf50_20111001_20111003_FWI.nc pf50_20111001_20111004_FWI.nc > >> > pf50_20111001_20111005_FWI.nc pf50_20111001_20111006_FWI.nc > >> > pf50_20111001_20111007_FWI.nc pf50_20111001_20111008_FWI.nc > >> > pf50_20111001_20111009_FWI.nc pf50_20111001_20111010_FWI.nc > >> > pf50_20111001_FWI.nc > >> > Wed Oct 12 23:30:36 2011: cdo -s -f nc -R chname,var228,pf50_FWI -copy > >> > Work0/20111001_fwi/pf50/20111001_20111010_FWI.grib > >> > pf50_20111001_20111010_FWI.nc > >> > NC_GLOBAL#institution=European Centre for Medium-Range Weather > >> > Forecasts Subdatasets: > >> > SUBDATASET_1_NAME=NETCDF:"Glb_20111001.nc":cf_DangerRisk > >> > SUBDATASET_1_DESC=[10x640x1280] cf_DangerRisk (32-bit floating-point) > >> > SUBDATASET_2_NAME=NETCDF:"Glb_20111001.nc":cf_FWI > >> > SUBDATASET_2_DESC=[10x640x1280] cf_FWI (32-bit floating-point) > >> > ... > >> > [cut] > >> > > >> > When I try to open this dataset with QGIS, this is what I get: > >> > Cannot get GDAL raster band. > >> > > >> > In the console this is what has been logged: > >> > > >> > Warning: QgsRasterLayer::setDataProvider: Data provider is invalid. > >> > ERROR 10: Pointer 'hObject' is NULL in 'GDALGetMetadata'. > >> > > >> > Any ideas? Should I open a ticket? > >> > thanks > >> > P > >> > > >> > [1] http://www.osgeo.org/pipermail/qgis-user/2011-July/012949.html > >> > > >> > -- > >> > Paolo Corti > >> > Geospatial software developer > >> > web: http://www.paolocorti.net > >> > twitter: @capooti > >> > skype: capooti > >> > _______________________________________________ > >> > Qgis-user mailing list > >> > [email protected] > >> > http://lists.osgeo.org/mailman/listinfo/qgis-user > >> > >> _______________________________________________ > >> Qgis-user mailing list > >> [email protected] > >> http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > -- > > Yves Jacolin -- Yves Jacolin _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
