| reading multiple HDF files [message #61338] |
Tue, 15 July 2008 04:41  |
julia.walterspiel
Messages: 35
Registered: July 2008
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Hi!
I'm a newbie to IDL (I used to program in MATLAB but the place i work
at only has IDL licences) and i need to get some things here done
asap.
I've been struggling with reading HDF files from MODIS for quiet some
time now and I def need some good input!
Here's the thing:
I downloaded a bunch (hundrets) of MODIS data (e.g. MOD_06, Cloud
product, daily data, years 2000-2008) in HDF format from which I need
to extract the SDS "Cloud_Fraction" and plot it as a time series for a
specific geographical region (Switzerland). I managed to read the
files with the program hdf_read by David fanning and I have a vague
idea what to do in order to read in multiple hdf files (I guess this
is done with a FOR loop).
HOWEVER: I simply cannot imagine how it is possible to link single
SDS' (e.g. "Cloud_Fraction") from multiple hdf files, and I don't even
wanna think about displaying them as a time series or on a map of a
geographic region.
Can anybody give me some good hints? anything would be greatly
appreciated!!!
many many thanks
Julia
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