| Re: SST data [message #70912 is a reply to message #70825] |
Wed, 12 May 2010 01:48  |
d.poreh
Messages: 406
Registered: October 2007
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Senior Member |
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On May 11, 6:12 am, David Fanning <n...@dfanning.com> wrote:
> Nayan Khataniar writes:
>> I am trying to get sst data for an area in NW shelf of Western
>> Australia. I got the images of the area and have processed them on
>> ENVI. I dont have any experience with IDL programming and I have been
>> reading through books to help me out but I am stuck now. I have hdf
>> files for each month of the year and I would like IDL to give me plots
>> of SST vs. Latitude/Longitude. Can any one please help me with it?
>> Below is the program I have already started
>
>> pro january2009
>> hdfid=hdf_sd_start('C:\Documents and Settings\Nayan\My Documents
>> \raw_data\2009\February\IMOS-20100505T144046_1851.hdf')
>> ;index=hdf_sd_nametoindex(hdfid,'SST')
>> varid=hdf_sd_select(hdfid,sst)
>> hdf_sd_getdata,varid,data
>
> I think you were on the right track here with
> trying to get the index of the variable.
>
> index=hdf_sd_nametoindex(hdfid,'SST')
> varid=hdf_sd_select(hdfid,index)
> hdf_sd_getdata,varid,data
>
> If this *doesn't* work, it is probably because
> the variable you are looking for is not spelled
> as "SST". These variable names are case sensitive.
>
> It might be helpful to browse the file first to
> see what is in it. I always use my NCDF_Browser
> for this purpose. You can read the variables and
> other file information directly from the browser
> if you want. The files you need are here:
>
> http://www.dfanning.com/programs/ncdf_tools.zip
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
@David:How could we read HDF5 data with (ncdf_tools)?
Cheers
Dave
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