On Thu, Feb 25, 2010 at 4:36 PM, Jim Blix <b...@wiktel.com> wrote: > > We recently acquired a very nice data set that includes bare earth 1-meter > LAS files and DEMs. I'd like to do various terrain analyses, but I will need > to integrate the hydrologic enforcement and breaklines, etc. into the > elevation data. > > I'm new to raster analysis, and my agency does not want to invest in any > more ESRI extensions. So I've made a commitment to GRASS and other open > source solutions.
Excellent: welcome! > I need a plan to integrate breaklines into the raster files and cut through > the digital dams that are inherent in LiDAR data. Do I need to produce TINs, > or can GRASS do a good job going from LAS to DEM? Here are a series of methods: http://grass.osgeo.org/wiki/LIDAR > What works for you GRASS ninjas? Be sure to get a recent GRASS 6.4 or later due to relevant bugfixes. Then happy analysis, Markus PS: Don't hesitate to enrich the WIki or post your experience here. _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
