Olav, Take a look at libLas. http://www.liblas.org/
It does not necessarily have as many commandline tools, but it is performant and is licensed under BSD and LGPL. Here is a comparison between libLas and LASTools: http://www.liblas.org/lastools.html#lastools-liblas David. On Fri, Nov 23, 2012 at 6:49 PM, opeeters <[email protected]> wrote: > Great blog, Victor! > Thank you! > > Well actually, a colleague came up with a very simple python script (see > attachted splitgrid.py > <http://osgeo-org.1560.n6.nabble.com/file/n5018501/splitgrid.py> ). This > is > no spatial randomisation like eg the v.kcv function in GRASS GIS, but for > large enough datasets, it delivers wonderfully fast and with a good spatial > spread. Feel free to add it to your blog if you see any added value. > > Thanks Andreas, > for pointing me to the LAStools! I did not know about them yet and yes, > even > if we are not doing LiDAR, these tools are superb in crunching big amounts > of numbers. I contacted Martin Isenburg concerning a license for using > las2dem or blast2dem. His response left me a bit shell shocked. I don't > know > the guy well enough I guess. But still, everyone has bills to pay. We would > have the funds to reward him handsomely for his efforts in the project we > would like to use this application in. But I'm sorry, I really cannot > endorse the way he is going commercial now. > > Thanks paulo25, > for pointing my to the v.kcv function in GRASS GIS. > I tried is through the SEXTANTE toolbox, but with 3 million points, I guess > this algorithm gets clotted. I tried it on a machine with plenty of RAM and > CPU. The process just dies after some time. But for larger data sets a > spatial randomisation is not so important as for smaller ones... > > Thanks again to you three! > > Regards, > Olav > > > > > > > > -- > View this message in context: > http://osgeo-org.1560.n6.nabble.com/split-point-cloud-into-X-randomly-selected-equally-sized-parts-tp5017330p5018501.html > Sent from the Quantum GIS - User mailing list archive at Nabble.com. > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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