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Subject: Marine Geospatial Ecology Tools (MGET) help

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From: Kerry Howell <>
To: "" <>
Subject: [mget-help] raster sampling tool returning no data
Date: Tue, 14 Feb 2012 12:14:09 +0000
Accept-language: en-US, en-GB
Acceptlanguage: en-US, en-GB

Hi,

 

I am having a problem getting the sample raster tool in MGET to sample my rasters. To be honest I think it is a problem with the raster not the tool but perhaps you can advice.

 

Basically I have downloaded the NetCDF file for global ocean temperature from the NOAA website, I have used Arc tool box to convert the NetCDF file to a raster and made separate rasters for each depth band in the NetCDF file. Now I am trying to sample each depth band temp raster using a point file and MGET. However, when I do this it returns data for some points and no data (-999999) for others. When I query the rasters using the information button in GIS the correct values are there but for some reason the tool wont sample them?

 

Any ideas? It does this if I use the Arc tool box sample single raster tool too.

Many thanks

Kerry

 

 

Dr Kerry Howell

Davy 622,

Marine Biology and Ecology Research Centre,

The Marine Institute at Plymouth University,

School of Marine Science and Engineering,

Drakes Circus,

Plymouth.

PL4 8AA

 

+44(0)1752 584544

 

Please note I am not at work on Wednesday or Thursday after 1:30.

 

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