Thank you Petr
It work.
Now I have a matrix 970*960. If I want to convert to spatial grid (each pixel
has x and y coordinate).
How can I do?
Thanks
From: Petr PIKAL <petr.pi...@precheza.cz>
To: azam jaafari <azamjaaf...@yahoo.com>
Cc: R-help <r-help@r-project.org>
Sent: Thursday, September 1, 2011 8:59 AM
Subject: Re: [R] convert to grid file
Hi
>
> Hi
>
> I computed probability in each cell.
> I have:
>
> [99883,] -0.0062412957690
> [99884,] -0.0062412957690
> [99885,] -0.0062412957690
> [99886,] -0.0062412957690
> [99887,] -0.0062412957690
> [99888,] -0.0062412957690
> [99889,] 0.9909126638948
> [99890,] 0.9909126638948
> [99891,] 0.9909126638948
> [99892,] 0.9909126638948
> [99893,] 0.9909126638948
> [99894,] 0.9909126638948
> [99895,] 0.9909126638948
> [99896,] 0.9909126638948
> [99897,] 0.9909126638948
> [99898,] 0.9909126638948
> [99899,] 0.9909126638948
> [99900,] 0.9909126638948
> [99901,] 0.9909126638948
> [99902,] 0.9909126638948
> [99903,] 0.9909126638948
>
> [99999,] -0.0062412957690
> [ reached getOption("max.print") -- omitted 839931 rows ]]
>
> How want to convert this matrix to a grid file with 970*960 pixel.
Assuming your object is one column matrix called mat1
You can simply change its dimension
dim(mat) <- c(970, 960)
regards
Petr
>
> Thanks alot
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>
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