Try the EBImage package (utilizes ImageMagick and is available via Bioconductor.org) - not sure if it well help though. If not, try to clip the larger image by calling ImageMagick outside R.
/HB On 11/01/2008, Milton Cezar Ribeiro <[EMAIL PROTECTED]> wrote: > Dear all, > > I have a so large image (43,000 x 18,000 pixels) and I need clip this image > with a smallest one (1000x1000 pixels). I can read the second image using > rgdal package. But the first image can´t be read on my system because if > memory limitation (I have about 2GB availabe). > > So I would like hear from you if anyone have some suggestin in this regards. > I have also ArcGis 8.6 ans Erdas 8.3 running on my system and I can read the > largest file without problem. But I dont know how clip the large image to > keep only those pixels that math to he smallest image coordinates. > > kind regards, miltinho > > > > para armazenamento! > > [[alternative HTML version deleted]] > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
