> > Dear support, > > I'm trying to load a EOS-HDF (ASTER Swath data) using java-netcdf in the > IDV (see jython script below). I'm getting the following error on > display-type "Color-Shaded Plan View": > > visad.VisADException: bad set visad.Gridded2DSet: Dimension = 2 Length = 121 > Dimension 0: Length = 11 Range = -2.48425 to -1.5074538 > Dimension 1: Length = 11 Range = 38.52344 to 39.19869 > > I don't think the Java parser is choking on an alias or anything, but the > problem is more likely to be this: > http://hdfeos.org/forums/archive/index.php?t-79.html. Do you know if your new > opendap stuff will work on it? any quick fixes you can suggest? > > I have placed the HDF-file here: > http://www.itc.nl/personal/venus/tmp/AST_L1B_00307182004110047_08122004112525.hdf > > Tyn > > Hi Tyn, The problem is that the CDM library can not recognize the coordinate system of this file. The CDM library do support a few swath satellite data formats, but not in the hdfeos. I am forward this support to netcdf group to see if they have any suggestion. Yuan > formula: testhdf(filename[isuser=true, default=*.hdf],param[isuser=true, > default=VNIR/VNIR_Swath/Data Fields/ImageData1]) > > def testhdf(filename, paramname): > from ucar.nc2 import NetcdfFile as nf; > from visad import Gridded2DSet, RealTupleType; > fn = filename; > pn = paramname; > a = nf.open(fn); > print a > #vars = a.getVariables(); > #print vars; > lat = a.findVariable("VNIR/VNIR_Swath/Geolocation Fields/Latitude"); > lon = a.findVariable("VNIR/VNIR_Swath/Geolocation Fields/Longitude"); > tst=a.findVariable(pn); > llat = lat.read().get1DJavaArray(java.lang.Float); > llon = lon.read().get1DJavaArray(java.lang.Float); > ttst = tst.read().get1DJavaArray(java.lang.Float); > shape = lat.getShape(); > print "Shape: ",shape > for i in xrange(len(llat)): > if (llat[i]<-99.): > llat[i] = java.lang.Float.NaN; > if (llon[i] < -999.): > llon[i] = java.lang.Float.NaN; > if (ttst[i] < -999.): > ttst[i] = java.lang.Float.NaN; > gs = Gridded2DSet(RealTupleType.SpatialEarth2DTuple, [llon,llat], shape, > shape, None, None, None,0,0); > print "gs: ", gs > ff = field(gs, "Reflectance", ttst); > #createDisplay('imagedisplay',ff); > return ff; > > ________________________________ > Faculty of Geo-Information Science and Earth Observation (ITC) > University of Twente > Chamber of Commerce: 501305360000 > > E-mail disclaimer > The information in this e-mail, including any attachments, is intended for > the addressee only. If you are not the intended recipient, you are hereby > notified that any disclosure, copying, distribution or action in relation to > the content of this information is strictly prohibited. If you have received > this e-mail by mistake, please delete the message and any attachment and > inform the sender by return e-mail. ITC accepts no liability for any error or > omission in the message content or for damage of any kind that may arise as a > result of e-mail transmission. > > Ticket Details =================== Ticket ID: IRZ-510849 Department: Support netCDF Java Priority: Normal Status: Open
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