[R-sig-Geo] rgdal to gif: HELP!!!

[Alexandre Villers]

Hi,

What is exactly your goal? Displaying an image in a GIS or just saving 
an image to be used as an illustration ?
If the second option is yours, then have a look at spplot() and then 
save the image with png(), jpeg(), tiff() or bmp()

HTH

Alex


> Dear all,
>
> I'm new to this forum.
>
> I'm desperately looking for help, as I'm stuck with a problem and I can't find any solution.
>
> I'd like to open a raster map (for example with rgdal it is read as a
> SpatialGridDataFrame) and then save it as a gif image with a specific
> color palette.
>
> I can't find the way to specify the color, so I can only create greyscale images.
>
> It sounds simple but nothing seems to work.
>
> I've been trying with:
>
>
>
> Kp1P<- readGDAL(mymap)
>
> writeGDAL(Kp1P,"myGIFmap.gif",drivername="gif",col=colmed)
>
>
>
> but col is not an option in writeGDAL command
>
>
>
> I need to specify this colors:
>
> colmed<-c(rep(rgb(255/255, 204/255, 204/255),10),rep(rgb(255/255,
> 184/255, 176/255),10),rep(rgb(255/255, 164/255,
> 176/255),10),rep(rgb(255/255, 144/255, 125/255),10),
>
>    rep(rgb(250/255, 125/255, 102/255),10),rep(rgb(247/255, 104/255,
> 79/255),10),rep(rgb(242/255, 85/255, 61/255),10),rep(rgb(235/255,
> 65/255, 42/255),10),
>
>    rep(rgb(227/255, 40/255, 23/255),10),rep(rgb(219/255, 0/255, 0/255),10))
>
>
>
> HELP!
>
>
>
> Lorenzo
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