[pgpointcloud] GHT compression

[Paul Blottiere]

Hi everyone,


> Just got an email from Paul Ramsey who was involved with libght
> implementation. He says;
>
> "No, GHT is dead. It's a bad fit for the db environment. It *might*
> have some use as a file format, but even though I feel like a patched
> laszip could probably do just as well."


Considering this statement, I opened a PR to remove the GHT support :
https://github.com/pgpointcloud/pointcloud/pull/214



Are there any objections?



Have a good day.


Paul





On 08/06/18 10:35, Lars wrote:
> Eric: Thanks for the feedback.
>
> Just got an email from Paul Ramsey who was involved with libght
> implementation. He says;
>
> "No, GHT is dead. It's a bad fit for the db environment. It *might*
> have some use as a file format, but even though I feel like a patched
> laszip could probably do just as well."
>
> kind regards, Lars
>
> ------------------------------------------------------------------------
> *Fra:* Éric Lemoine <eric.lemoine at oslandia.com>
> *Sendt:* fredag 8. juni 2018 10.53
> *Til:* Lars; pgpointcloud at lists.osgeo.org
> *Emne:* Re: [pgpointcloud] GHT compression
>  
> On Wed, 2018-06-06 at 11:35 +0000, Lars wrote:
> > Hello,
> >
> > It was mentioned in a previous post (1) that "libght didn't provide
> > much of a performance improvement and was an experimental format".
> >
> > Does pgpointcloud still support libght? What is the status of libght
> > component (still experimental)? Viewing homepage it looks very very
> > quiet.
> >
> > Does anyone (Eric?) have any information on testing scenario, test
> > parameters and test performance result?
>
> I've never used GHT myself. What I know though is this major bug when
> GHT is used: https://github.com/pgpointcloud/pointcloud/issues/196. I
> haven't had the time to look into this bug.
>
>
> -- 
> Éric Lemoine
> Oslandia
> +33 1 86 95 95 55
>
>
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