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mget-help - RE: [mget-help] Re: Need Information about SDS name (l3m qual for SST) L3 Modis from oceancolor.gsfc.nasa.gov

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From: "Jason Roberts" <>
To: "'hanggar prasetio'" <>, <>
Subject: RE: [mget-help] Re: Need Information about SDS name (l3m qual for SST) L3 Modis from oceancolor.gsfc.nasa.gov
Date: Sat, 21 Jul 2012 08:36:53 -0700

Dear Hanggar,

 

I’m sorry for my slow response; I’ve been travelling and unable to use email.

 

From your message, it sounds like you downloaded MODIS HDF files and then converted them to rasters. I am not sure what happened to cause the pixels to not match what you obtained in ENVI. I would need to know the exact steps you used to speculate about that.

 

But before we discuss that in detail, I’d like to suggest you try again using our newer tools that are designed specifically for MODIS L3 SST. In the ArcToolbox tree, these appear under MGET à Data Products à NASA JPL PO.DAAC à MODIS Global Level 3 Mapped SST. The tool called Create Rasters for PO.DAAC MODIS L3 SST performs all the necessary steps of downloading and converting MODIS L3 SST. It obtains the data from NASA using the OPeNDAP protocol, which allows it to efficiently retrieve data for a bounding box. Under the Spatiotemporal Options of the tool, you can supply the bounding box; if you need just a small area of the Earth, the download will go much faster than if you need the whole globe.

 

If that does not help and you can provide me with more details about the procedure you followed, I might be able to determine what went wrong.

 

Best regards,

 

Jason

 

From: hanggar prasetio [mailto:]
Sent: Thursday, July 19, 2012 1:50 AM
To:
Subject: [mget-help] Re: Need Information about SDS name (l3m qual for SST) L3 Modis from oceancolor.gsfc.nasa.gov

 

Dear MGET - Admin,

 

Thanks for helping me with MGET tool that asosiated with arcGIS,

but i have something problem with extract data L3 Modis incase about SST. i followed procedure in MGET tutorial data about extract L3.. but why the result value of pixel after processing in ArcGIS is different from other software processing (ex: ENVI)??? 

can you tell me why??? or i have something wrong about my processing technique?? or L3m qual not including into my processing, because i look in ENVI information SST L3 definetly have SST L3 qual including.

 

--

thanks,

Hanggar Prasetio K.

| | hanggar-prasetio.com | +6285645176747 | +6281335578279

 

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