[pdal] Pgpointcloud writer SRID

[Andrew Bell]

There is no attached file, so it's hard to see what the issue might be.
Please just reply with the pipeline in question.

Thanks,

On Fri, Jul 6, 2018 at 7:33 AM, Lars <laasunde at hotmail.com> wrote:

> Hello,
>
> We used a pipeline (see attched file) to read a laz file and write it to
> pgpointcloud. The pipeline was able to write data to database but we notice
> the SRID was incorrect. Turns out the laz was using UTM Zone and
> pgpointcloud used 4326 (the default). By adding a reprojection filter to
> the pipeline we were able to fix the issue.
>
> We mistakenly thought that pgpointcloud would "reproject" the input data
> to srid 4326 but it makes sense the this task belongs in a filter.
>
> It is unfortunte that PDAL allowed us to create what I consider is invalid
> data which could have been prevented. The "srid" parameter used in the
> pipeline appears to be a string with sole purpose of being added to the
> pointcloud_formats table. In pgpointcloud witer, would it be possible to
> use input-srid (in_srs) as default if available instead of always using
> 4326? Another option could be to give the user a warning if input-srs does
> not match the "srid" specified for pgpointcloud writer.
>
> It might be worth adding more information about pgpointcloud writer "srid"
> to the documentation to help others.
>
> Kind regards, Lars
>
>
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>



-- 
Andrew Bell
andrew.bell.ia at gmail.com
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