[R-sig-Geo] readAsciiGrid - change color

[Muhammad Rahiz]

I can use image.plot()

Muhammad Rahiz  |  Doctoral Student in Regional Climate Modeling					
Climate Research Laboratory, School of Geography & the Environment	
Oxford University Centre for the Environment
South Parks Road, Oxford, OX1 3QY, United Kingdom 
Tel: +44 (0)1865-285194	 Mobile: +44 (0)7854-625974
Email: muhammad.rahiz at ouce.ox.ac.uk






Muhammad Rahiz wrote:
> Hello all,
>
> I have gridded data which I loaded using the readAsciiGrid function.
>
>  > x <- read.AsciiGrid("data.txt, plot.image=TRUE).
>  > image(x)
>
> This works OK but how do I:
>
> 1. know what values are assigned to which color/shade
>
> 2. change the color template e.g. rainbow
>
> 3. insert a color bar?
>
> Thanks.
>
> Muhammad
>
>