Hi Juliane,
re-reading your email, you told that want a table with x, y and values.
How about you explain a little bit about what you means at the end of your
analyzis? It will help our community help you.
best wishes,
miltinho
brazil
On Wed, Jan 14, 2009 at 9:18 PM, milton ruser <milton.ru...@gmail.com>wrote:
> Dear Juliane,
> It depents what you want with the data.
> You can, for example, use import.asc function (adehabitat package; rename
> your file from .txt to .asc),
>
> or try rgdal package.
>
> Of course, you can also use
> read.table("myfile.txt", header=F, skip = 6) and deal your data as
> matrix.
>
> good luck,
>
> miltinho astronauta
> brazil
>
>
> On Wed, Jan 14, 2009 at 2:01 PM, Juliane Struve <
> juliane_str...@yahoo.co.uk> wrote:
>
>> Dear list,
>>
>> I am trying to read ArcGIS raster data sets into R after converting them
>> into ASCII .txt file. The text file I am trying to read contains
>>
>> ncols 250
>> nrows 276
>> xllcorner 344147.19411119
>> yllcorner 3024657.6122834
>> cellsize 0.19970250725746
>> NODATA_value -9999
>>
>> in the first lines followed by a grid of values that are either -9999 or
>> 1.
>>
>> I have used read.table("myfile.txt") which yields this (first 10 lines).
>>
>>
>> V1 V2
>> 1 ncols 2.500000e+02
>> 2 nrows 2.760000e+02
>> 3 xllcorner 3.441472e+05
>> 4 yllcorner 3.024658e+06
>> 5 cellsize 1.997025e-01
>> 6 NODATA_value -9.999000e+03
>> 7 -9999 -9.999000e+03
>> 8 -9999 -9.999000e+03
>> 9 -9999 -9.999000e+03
>> 10 -9999 -9.999000e+03
>>
>> I would like to have the data as a table with coordinates for each cell
>> and the actual value.
>>
>> Could somebody advise me which function I should use ?
>>
>> Many thanks,
>>
>> Juliane
>>
>>
>>
>>
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>
>
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