[R-sig-Geo] RGB Image Plotting!

[Roger Bivand]

On Mon, 25 Feb 2008, PUJAN RAJ REGMI wrote:

> Dear Madam/ Sir I am New user of R. I am looking for the way to plot 
> true color image from matrix data of of order (m,n,3) as in MAT LAB 
> where 3 represent the three column matrix where red, green and blue 
> values of pixels are stored. I hope you understand my question. Looking 
> for your help for the same. Thanking you in advance Yours,

Please look at the help page and example for RGB2PCT() in the rgdal 
package. That should get you most of the way, using other functions in the 
package if need be to convert your input matrix to a three-band 
GDALReadOnlyDataset.

Hope this helps,

Roger

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-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no