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Subject: Marine Geospatial Ecology Tools (MGET) help

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From: "McClellan, Catherine" <>
To: "" <>
Subject: [mget-help] problems downloading imagery
Date: Mon, 24 Oct 2011 10:37:41 +0100
Accept-language: en-US, en-GB
Acceptlanguage: en-US, en-GB
Dear Mget,
 
I would like to use your tool to download many satellite images and then create climatologies. I am working on a Windows XP computer with ArcGIS 9.3.1, Python 2.5, and Mget 0.8a15. I have tried several times to use Mget to download AVHRR Pathfinder V5 SST to Rasters at yearly and monthly temporal resolution and just get errors that are rather uninformative to me. Examples are:
 

Executing: AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters Yearly Nighttime sst C:\CHARM3\datasets\AVHRR Add %%Y true 4 false false false false false false false false false false false # # "" "" 60 # false true false false C:\CHARM3\datasets\AVHRR

Start Time: Mon Oct 24 10:13:59 2011

Running script AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters...

TypeError: object of type 'NoneType' has no len()

<type 'exceptions.TypeError'>: object of type 'NoneType' has no len()

Failed to execute (AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters).

End Time: Mon Oct 24 10:14:07 2011 (Elapsed Time: 8.00 seconds)

Executing: AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters Monthly Nighttime sst C:\CHARM3\datasets\AVHRR\Monthly Add %(Monthly)s_%(Nighttime)s_%(sst)_%%Y%%j true 4 false false false false false false false false false false false # # "" "" 60 # false true false false C:\CHARM3\datasets\AVHRR\Monthly

Start Time: Mon Oct 24 10:24:57 2011

Running script AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters...

TypeError: object of type 'NoneType' has no len()

<type 'exceptions.TypeError'>: object of type 'NoneType' has no len()

Failed to execute (AVHRRPathfinderSSTTimeSeriesCreateArcGISRasters).

End Time: Mon Oct 24 10:24:57 2011 (Elapsed Time: 0.00 seconds)
 
It could very well be that I do not have the raster naming convension correct. I tried to limit the download to one year under the spatiotemporal extent tab, but the numbers do not register. I also tryied a few of the other data products downloads with no luck.
 
I ultimately would like to download sst and cloud rasters, chla (which I see on the Mget website, but not in the tool), and possibly geostrophic currents. Although I will be accessing global coverage products, my study area is limited to the English Channel. I am interested in getting monthly (where possible) images from 1991 - 2011.
 
Any pointers to get me going would be appreciated!
 
Thank you,
Catherine
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
Dr. Catherine McClellan
Centre for Ecology & Conservation
University of Exeter, Cornwall Campus
Penryn, Cornwall, TR10 9EZ
UK
email:
cell phone: +44 (0) 7747 585 265
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