[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[netCDF #MBZ-895191]: ncdump

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [netCDF #MBZ-895191]: ncdump
  • Date: Thu, 19 Mar 2009 13:46:28 -0600
Hi Ayman,

> Many thanks. Is the hdf of MODIS and ASTER data hdf5 or hdf4?

I'm no expert on HDF satellite data, but I believe its HDF-EOS, which is a
a kind of HDF4 data.  There is also an HDF5-EOS, but I think the MODIS and
ASTER data were in HDF-EOS2.x, which is based on HDF4.

--Russ

> Ayman
>
> > Hi Ayman,
> >
> > > Can the ncdump be used to convert part of (not the whole file) an hdf
> > > file into ASCII?
> >
> > If what you have is a general HDF5 file written by HDF5 client software
> > instead of with the netCDF-4 software, you should use one of the HDF5
> > utilities such as h5dump
> >
> >   http://www.hdfgroup.org/HDF5/doc/RM/Tools.html#Tools-Dump
> >
> > or h5totxt
> >
> >   http://ab-initio.mit.edu/h5utils/h5totxt-man.html
> >
> > If you have a netCDF-4 file, which is a special kind of HDF5 file, then
> > yes,
> > you can use ncdump to convert part of the file to ASCII.  In particular,
> > if
> > you just want the declarations and data from one of more of the variables
> > in
> > the file, use the "-v var1,var2,..." option to ncdump:
> >
> >   http://www.unidata.ucar.edu/netcdf/docs/ncdump-man-1.html
> >
> > --Russ
> >
> > Russ Rew                                         UCAR Unidata Program
> > address@hidden                     http://www.unidata.ucar.edu
> >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: MBZ-895191
> > Department: Support netCDF
> > Priority: Normal
> > Status: Closed
> >
> >
>
>

Russ Rew                                         UCAR Unidata Program
address@hidden                     http://www.unidata.ucar.edu



Ticket Details
===================
Ticket ID: MBZ-895191
Department: Support netCDF
Priority: Normal
Status: Closed