O maybe thats the reason. We are using Version 4.2 Release 5.
On Tue, Mar 19, 2013 at 12:50 PM, Peter Cao <x...@hdfgroup.org> wrote: > Hi Sudipta, > > I downloaded and tried the file. It worked OK. > > I am using the latest version of hdf4. > hrepack -V > hrepack, HDF Version 4.2 Release 9-post0, February 25, 2013 > > What version did you use? We had this issue with older version of hdf4. > > Thanks > --pc > > > On 3/19/2013 10:38 AM, sudipta sarkar wrote: > > Hi Peter > Sorry I should have clarified earlier. You will not get this problem from > any of the files downloaded from the public site. We are facing this error > for the files that are being generated for the upcoming Collection 6 > product of MODIS. I had sent a ftp link to Barbara from your organization > earlier to download one such file. I am forwarding the same link to you as > well: > > > *You have 10 days from 03-19-2013 to download the file(s) from the > following URL:* > > *https://webdrive.gsfc.nasa.gov/shortauth/sudipta.sarkar/gz005oC* > > *Please use the following to login:* > > *username = barbara_hdf > password = hdfmodis* > > If you download the file from this link, you should get the hrepack error > that I mentioned earlier. > Let me know if you face any problem in downloading the file. > Thanks > > > > On Tue, Mar 19, 2013 at 11:34 AM, Peter Cao <x...@hdfgroup.org> wrote: > >> Hi Sudipta, >> >> I downloaded a similar file, >> MOD13Q1.A2003001.h12v09.005.2007261172941.hdf, >> from http://e4ftl01.cr.usgs.gov/MOLT/MOD13Q1.005/2003.01.01/ >> >> I used the same option as you did but I could not reproduce the problem. >> Everything >> worked fine. The new file is a little bigger than the original one since >> the original file >> was compressed with GZIP level 5. >> >> Could you download the file and try again? Just want to make sure the >> file is not corrupted >> along the way. >> >> Thanks >> --pc >> >> >> >> On 3/18/2013 12:30 PM, sudipta sarkar wrote: >> >> Hi All, >> I am facing a strange problem related to HDF tool "hrepack". >> I am trying to use the hrepack tool to copy and compress a particular >> MODIS dataset as follows: >> >> hrepack -i MOD13Q1.A2003001.h12v09.006.201029312065.hdf -o test.hdf.temp >> -t '*:GZIP 4' >> >> where MOD13Q1.A2003001.h12v09.006.201029312065.hdf is a HDF4 MODIS >> dataset. >> >> When I run the tool on the above file that has 12 SDS inside, the tool >> throws up an error: >> >> "Failed to check empty SDS <MODIS_Grid_16DAY_250m_500m_VI/Data >> Fields/250m 16 days view zenith angle>" >> >> The strange thing is that the particular SDS "250m 16 days view zenith >> angle" is not empty at all and is filled with valid data. I can open that >> SDS in HDFView or in ENVI. I can also run other in-house hdf tools on that >> file and sds and yet hrepack complains about it being empty and cannot >> process this and all similar files. >> >> I am not even sure as to what to look for and what is wrong. >> Any suggestions or comments from anyone will be most welcome. >> Thanks >> >> >> _______________________________________________ >> Hdf-forum is for HDF software users >> discussion.Hdf-forum@hdfgroup.orghttp://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org >> >> >> >> _______________________________________________ >> Hdf-forum is for HDF software users discussion. >> Hdf-forum@hdfgroup.org >> http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org >> >> > > > _______________________________________________ > Hdf-forum is for HDF software users > discussion.Hdf-forum@hdfgroup.orghttp://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > Hdf-forum@hdfgroup.org > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org > >
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