[GRASS-user] LAS to DEM

[Jim Blix]

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.

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?

What works for you GRASS ninjas?
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