[Liblas-devel] Ground Modeling with RAW LiDAR and libLAS

[Howard Butler]

On Mar 4, 2011, at 12:24 PM, Stuart Edwards wrote:

> 
> On Mar 4, 2011, at 9:27 AM, Howard Butler wrote:
> 
>> 
>> On Mar 4, 2011, at 8:29 AM, francesco wrote:
>> 
>>> I use GRASS quite a lot, but always thought that it would be slow on vector points. I know Brovelli and her team developed some modules, I'll check on that. Good idea to use LibLAS as "driver" to turn LAS to xyz.
>> 
>> It would be much, much, much faster if someone wrote some glue between libLAS and GRASS (proposed here quite a while ago, but still not done <http://lists.osgeo.org/pipermail/grass-dev/2008-May/037687.html>).  I would guess it would be an order of magnitude faster to ingest data if you didn't have to go through text formats to do it.
> 
> This may be possible since Liblas has a las2ogr tool and GRASS uses ogr for vector input - seems there's an opportunity to script output from the former and pipe it as  input to v.in.ogr ?  Beyond my skills unfortunately ....

that's not really much better.  What needs to happen is for someone to write some code in GRASS that utilizes libLAS directly.  Surely a manpower/desire thing.

Howard