You have a custom QGis version then? I don't see how this relates to gdal... Any chance this modification could be integrated into qgis trunk?
Etienne On Wed, Feb 8, 2012 at 6:20 PM, Yves Jacolin (free) <[email protected]> wrote: > 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
