At a minimum, this description would be good to add to the grass FAQ. ---- Original message ---- >Date: Wed, 11 Jul 2007 15:11:31 +0200 >From: Bernhard Reimar Hoefle <[EMAIL PROTECTED]> >Subject: [GRASS-user] Re: Re: some interesting tools for working with LAS >format >To: [email protected] > >Hi! >Thanks to Hamish we can now easily convert LAS files to DEMs with r.in.xyz. > >To remind, LAS Tools can be found here: >http://www.cs.unc.edu/~isenburg/lastools/ > >I successfully compiled and used it like this: > >1) >in las2txt.cpp (lastools/tools/src): change main to return int: >int main(int argc, char *argv[]) > >2) >g++ ../../src/lasreader.cpp las2txt.cpp -I ../../inc/ -o las2txt >-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 > >3) >./las2txt test.las -otxt | r.in.xyz input=- output=dtm method=min fs=" " > > >> As a start we can include references to the LAS tools in the relevant man >> pages and wiki, with build and useage examples. This would get new users up >> to speed on the 'toolchain' approach to processing data with GRASS+external >> tools. > >We should definitely do that. > >> While this is always an option, I think that by generalizing things a bit >> further (via a GDAL/ogr driver) or using the LAS tools as a pre-processing >> step would be the best way forward. > >I absolutely agree with you. But don't know how complicated this implementation >will be and I'm not a programmer, so I cannot really support. > >Bernhard > >_______________________________________________ >grassuser mailing list >[email protected] >http://grass.itc.it/mailman/listinfo/grassuser Gerald Nelson Professor, Dept. of Agricultural and Consumer Economics University of Illinois, Urbana-Champaign office: 217-333-6465 cell: 217-390-7888 315 Mumford Hall 1301 W. Gregory Urbana, IL 61801
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