[pdal] PDAL and OpenLayers

Chris Foster chris.foster at roames.com.au
Tue Nov 12 17:10:46 PST 2013


Does it need to run in a browser?  If not, I've been working on a
desktop-based lidar point cloud viewer which might help you out - see
http://c42f.github.io/displaz.  I'm close to a 0.2 release which will
include a binary installer for windows.

Cheers,
~Chris

On 13 November 2013 01:26, Eran Nevo <eran at utilis.co.il> wrote:
> 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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