[gdal-dev] Re: LAS format driver for OGR?

[Stefan Keller]

Mateeusz wrote:
> Dumping a point cloud to PostGIS and trying to make a vector sense of it
> without any relevant processing has very little sense, IMHO.

Agreed.

>> My goal is to import it in PostGIS and a Java program.
>>
>
> las2ogr should work here.

PostGIS yes, but Java only e.g. via an 'intermediate' format like CSV
OGR writer and AS_WKT option?

Yours, Stefan

2011/4/17 Mateusz Loskot <mateusz at loskot.net>:
>
> Stefan Keller wrote:
>>
>>> Some time ago I have written a tool to dump LAS data to virtually
>>> any OGR dataset:
>>>
>>> http://liblas.org/utilities/las2ogr.html
>>
>> I'll have a look at http://liblas.org/utilities/las2ogr.html
>>
>> My goal is to import it in PostGIS and a Java program.
>>
>
> las2ogr should work here.
>
>
> Stefan Keller wrote:
>>
>>>> Scanning this mailing list I could not find an answer except to use
>>>> LAStools. But since LAS is essentially just a simple vector point data
>>>
>>> Considering point clouds in terms of (only) a simple vector point data is
>>> a misunderstanding.
>>
>> You're right. I should have written:
>> LAS is essentially vector point data plus a (more or less?) fixed
>> number of properties like color.
>>
>
> The extra properties are not the case here. The point is that it is not a
> vector data.
> A point cloud is neither vector nor raster. It is a raw point cloud which
> can be processed depending on your needs, to form of vector or form of
> raster.
>
> Dumping a point cloud to PostGIS and trying to make a vector sense of it
> without any relevant processing has very little sense, IMHO.
>
> -----
> --
> Mateusz Loskot
> http://mateusz.loskot.net
> --
> View this message in context: http://osgeo-org.1803224.n2.nabble.com/gdal-dev-LAS-format-driver-for-OGR-tp6280076p6281849.html
> Sent from the GDAL - Dev mailing list archive at Nabble.com.
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>