search for: rdgal

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2009 Aug 02
1
Out of memory - RDGAL CPLRealloc()
I got this error message. Error in .local(.Object, ...) : GDAL Error 2: CPLRealloc(): Out of memory allocating 16 bytes I was trying to read 1388 jpg images (993x993) with rgdal in a loop, to store data in a data.frame. It fails to read the 1338 image. Isn't R recycling the object? I'm running this process in a Server machine with Win XP x64, Xeon processor, 4GB Ram. R is
2007 May 30
4
Connecting to PostgreSQL/PostGIS from R (rgdal?)
...I've tried to use Rdbi and DBI, but I haven't had luck with those on Windows either for connecting to PostgreSQL from R. Can anyone suggest a solution for this? It would seem that rgdal could also help me in this case. Unfortunately, the version of the GDAL library that is included in the rdgal binary available on CRAN (for windows) doesn't include the PostgreSQL driver for OGR (i.e., it's not listed by the ogrDrivers() function). I compiled rgdal on Windows myself using the GDAL library from FWTools-1.3.1, but I was unsuccessful at creating a proper binary package for R. I was...