[pdal] PDAL and OpenLayers

Eran Nevo eran at utilis.co.il
Tue Nov 12 07:26:48 PST 2013


I'm looking for some kind of lidar viewer 

> On 12 בנוב 2013, at 17:15, "Michael P. Gerlek" <mpg at flaxen.com> wrote:
> 
> Eran-
> 
> The sheer volume of point cloud data, as Howard says, makes it very hard to display in a traditional web browser system, e.g. OpenLayers fed by JSON. You'll need to find a way to reduce the point count in a smart way - like feeding out a LOD (level of detail) algorithm.
> 
> Two or three years ago, people started looking for good ways to do this. There might be an open source solution by now, but it would require something more heavyweight than just OpenLayers.
> 
> _mpg
> 
>> On Nov 12, 2013, at 7:06 AM, Eran Nevo <eran at utilis.co.il> wrote:
>> 
>> Oh , I'm looking for open source solution to show lidar on web application 
>> 
>>> On 12 בנוב 2013, at 16:40, Howard Butler <howard at hobu.co> wrote:
>>> 
>>> 
>>>> On Nov 11, 2013, at 12:21 PM, Eran Nevo <eran at utilis.co.il> wrote:
>>>> 
>>>> 
>>>> 
>>>> Hi there , 
>>>> Can anyone point me to an example how to implement PDAL with OpenLayers ?
>>>> I have LAS file and PostGIS db with points in them.
>>>> Want to try PDAL.
>>> 
>>> OpenLayers is a web JavaScript technology. PDAL is a data translation software focused on transformations from one format to another. You could try using PDAL to export point cloud data to GeoJSON (using drivers.text.writer) and importing that into an OpenLayers map in some way. You are very likely to overwhelm any browser, however, with any significant amount of point cloud data.
>>> 
>>> Howard
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