[pdal] PDAL and OpenLayers

Eran Nevo eran at utilis.co.il
Tue Nov 12 20:20:50 PST 2013


Yes , it must be run through browser

> On 13 בנוב 2013, at 03:10, Chris Foster <chris.foster at roames.com.au> wrote:
> 
> 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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