search for: gdaldataset

Displaying 2 results from an estimated 2 matches for "gdaldataset".

2004 Jan 22
0
help on rgdal package
I started to use the rgdal package in order to work with DEM files. Since these files are based on non-rectangular quads, there are lots of NA-values in the corresponding datasets. Does anybody know how to remove the NA-values from an object of class GDALDataset in order to get a rectangular dataset? Also, the function saveDataset doesn't seem to work for these kind of data (or at least for me). I get the following error: > x <- new("GDALDataset", "xxx.dem") > getDriverLongName(getDriver(x)) [1] "USGS Optional ASCII...
2008 Aug 10
0
possible problem with rgdal
Hello all, I recently installed rgdal 0.5.24-1 (kyngchaos framework) and I am having trouble making sense of the row, col information provided. > a = new("GDALDataset", "dummy.tif") > GDALinfo("dummy.tif") rows 420 columns 660 bands 1 ll.x -55.5 ll.y -14.5 res.x 0.008333334 res.y 0.008333334 oblique.x 0 oblique.y 0 driver GTiff projection +proj=longlat +ellps=WGS84 +datum=WGS84 +no_...