[R-sig-Geo] readAsciiGrid - change color

[Michael Sumner]

spplot(x)

On Sat, Jan 9, 2010 at 3:16 AM, Muhammad Rahiz
<muhammad.rahiz at ouce.ox.ac.uk> wrote:
> 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
>>
>>
>
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