[R-sig-Geo] rescale spatstat owin

2014-09-23 Thread Adrian Baddeley
Jan Quets jquets.rsig...@gmail.com writes: does anybody know how to rescale a spatstat owin window (i.e. multiplying all x and y coordinates of the polygon boundary with a certain factor)? scalardilate(W, f) where W is your window and 'f' is the scaling factor (a single number). This will

[R-sig-Geo] which.max() limit in raster package for RasterBrick

2014-09-23 Thread Tyler Frazier
Dear group, I have a RasterBrick with 16 layers created with the stack command like so: f - list.files(pattern=*.nc$, recursive=TRUE) r - raster(f[1], band = 1) harvest_area - stack(r) harvest_area@layers - sapply(f, function(x) {r@file@name=x;r}) names(harvest_area) - sub(\\/.*, , f) and then

Re: [R-sig-Geo] which.max() limit in raster package for RasterBrick

2014-09-23 Thread Robert J. Hijmans
Tyler, It is probably useful to study the vignette that comes with the raster package if you have not done so. Also please provide a reproducible example, if possible, and report the error message you get. Presumably it is: Error in which.min(harvest_area) : not yet implemented for large