Fw: Re: [Liblas-devel] Re: [GRASS-user] LiDAR LAS import

Hamish hamish_b at yahoo.com
Wed May 25 09:48:39 EDT 2011


fyi--

--- On Wed, 5/25/11, Howard Butler <hobu.inc at gmail.com> wrote:
> Cc: liblas-devel at lists.osgeo.org
> Date: Wednesday, May 25, 2011, 6:34 AM
>
> Awesome news!  I'm glad the GRASS community (er, Markus rather)
> came together to get something done.  I hope it serves its
> purpose well and beats las2txt | v.in.ascii by a lot.
> 
> A few points I would like to clear up:
> 
> - libLAS only supports 1.0, 1.1, 1.2, and 1.3 with support
> for Point Formats 0-3 in those versions at this time
> - libLAS has not been widely tested on big endian platforms
> and it is expected to work, but might not :)
> - OGR will most likely never support LAS or LAZ data
> natively due to the fact that it isn't practical to stuff
> millions of individual points into OGR's data model.
> - I hope that Markus' v.in.lidar ingester is not doing
> Seek() as part of its reading strategy.  Seek() on LAZ
> data is going to be horribly slow (much faster in an
> upcoming version though!).
> 
> Congrats Markus!
> 
> Howard
...
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