[R-sig-Geo] Methods for working with LIDAR data
Waichler, Scott R
Scott.Waichler at pnl.gov
Wed Jul 28 20:23:24 CEST 2010
> > I have a text file with x, y, z data from a LIDAR survey. Can someone
> > suggest a method to use to derive a Spatial Pixels or Spatial Grid
> > from these? The spacing is not exactly regular of course. The data are
> > dense over all of the domain except for some blank areas, which I would
> > like to designate as NA.
> > I am open to using most packages and functions, but don't want to use
> > GRASS.
> > Scott
> Any particular reason not to use GRASS? In most cases it will scale to
> large point datasets very nicely. Specifically, see the module r.in.xyz
I don't have GRASS installed and my system admin indicated it may be involved to do so. Plus, I don't know anything about it. I was hoping to use a native R solution. I do have GDAL and rgdal installed.
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