[Therion] Therion 5.4.2. potential bug

[Martin Budaj]

No, we don't modify existing releases. The fix will be included in 5.4.3
eventually, but until then you can use the latest snapshot (
https://therion.speleo.sk/downloads/therion-setup-dev.exe).

Martin

On Fri, Jan 18, 2019 at 9:32 AM Michael <knollesimage at t-online.de> wrote:

> Thank you, Martin, for the quick fix.
>
> Is it also fixed in
>
> https://therion.speleo.sk/downloads/therion-setup-5.4.2.exe
>
> ?
>
> Regards,
>
> Michael.
>
>
>
> *Von:* Therion <therion-bounces at speleo.sk> *Im Auftrag von *Martin Budaj
> via Therion
> *Gesendet:* Donnerstag, 17. Januar 2019 19:26
> *An:* List for Therion users <therion at speleo.sk>
> *Cc:* Martin Budaj <m.budaj at gmail.com>
> *Betreff:* Re: [Therion] Therion 5.4.2. potential bug
>
>
>
> Hi, it's fixed in d98a0a6.
>
> Martin
>
>
>
> On Tue, Jan 15, 2019 at 7:28 PM Martin Budaj <m.budaj at gmail.com> wrote:
>
> On Sat, Jan 12, 2019 at 10:51 AM Michael <knollesimage at t-online.de> wrote:
>
> I have now attached a minimal cave sample produced  with 5.4.1. and one
> produced with 5.4.2. to demonstrate the displacement.
>
>
>
> Hi,
>
>
>
> the problem is that EPSG:31467 projection uses the "potsdam" datum and the
> PROJ library used by Therion changed the way how to transform potsdam datum
> to the standard WGS84 datum – it switched from a simple string parameter
> (towgs84) to using external grid file (see
> https://proj4.org/resource_files.html#transformation-grids for examples).
>
>
>
> No grid files are currently included in the windows Therion distribution,
> so the transformation is not correct in 5.4.2. Therion needs to be modified
> to include and use those files – hopefully soon.
>
>
>
> Best regards
>
> Martin
>
>
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