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Re: ms2gt .gpd and .mpp file creation [message #71170]

Mon, 07 June 2010 19:41

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

katb writes:

> Thanks for your input David - I will try your suggestion, I know you
> are quite knowledgeable in this area so just quickly do you have any
> suggestions for determining the number of rows and number of columns
> required for the resulting grid? I have been following ms2gt tutorials
> and I find 'gtest' confusing.

The number of rows and columns you need depends entirely on
what you want the resolution of your grid to be. If you have
25km data, there is no sense making the resolution of your
grid 500 meters. You could make it 10 or 20 km. Then it is
just a question of how much ground you want to cover.

Suppose you had a grid of 20 km and you wanted to see an
area of 5000 km by 4000 km. Then your grid would be 250 by 200.

I typically locate the center of my grid (as in the GPD
file I suggested previously), then just decide how much
of the world I want to see in my grid at what resolution.

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.")

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[Message index]

		Re: ms2gt .gpd and .mpp file creation By: David Fanning on Mon, 07 June 2010 19:41
		Re: ms2gt .gpd and .mpp file creation By: katb on Mon, 07 June 2010 18:03
		Re: ms2gt .gpd and .mpp file creation By: David Fanning on Mon, 07 June 2010 05:50
		Re: ms2gt .gpd and .mpp file creation By: Klemen on Mon, 07 June 2010 02:53
		Re: ms2gt .gpd and .mpp file creation By: katb on Tue, 08 June 2010 16:51
		Re: ms2gt .gpd and .mpp file creation By: katb on Thu, 15 July 2010 22:46

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