I forgot to mention, there's another change, PTGui now writes tiled TIFF
files.
I would expect them to support this but perhaps this is not the case?
On 2/27/26 13:03, Geoffrey LORD wrote:
> I've tried with 16bits+every compression type+no alpha and
> 8bits+non,Packbits,ZIP+no alpha.
> All give the same result. Let me know if you need me to try something else
> Geoffrey
>
> Le vendredi 27 février 2026 à 12:47:35 UTC+1, Geoffrey LORD a écrit :
>
> /"I think the problem in GigaPX Tools is due to the compression of
> PTGui's
> TIFF output. PTGui 13.5 defaults to using ZIP compression for TIFF
> output (previously it used Packbits by default). Perhaps GigaPX Tools
> doesn't support this. See the Settings button next to the file format in
> the Create Panorama tab."/
>
> I have always exported my panos with these settings and the TIFFS
> have always worked with these in GigaPX:
> ieugehyrpog$.png
> Maybe I can test some other combinations? Any recommendation for
> best quality possible? I haven't done any research on the topic,
> I've always just chosen no compression..
>
> /"It turns out it's not the raw file itself, but PTGui 13.5 on Windows
> fails to load raw files from a folder containing non-ASCII characters
> (accents or asian scripts)."/
>
> Great catch! My file name was this:
> zopigjzeg.png
> I guess the æ is causing issues. Other raws from other files from
> the same camera work just fine.
>
> Thanks,
> Geoffrey
>
> Le vendredi 27 février 2026 à 12:31:07 UTC+1, PTGui Support a écrit :
>
> Merci Mireille.
>
> It turns out it's not the raw file itself, but PTGui 13.5 on
> Windows
> fails to load raw files from a folder containing non-ASCII
> characters
> (accents or asian scripts).
>
> A fix will be available soon.
>
> Kind regards,
>
> Joost Nieuwenhuijse
>
www.ptgui.com <
http://www.ptgui.com>
>
> On 2/27/26 11:23, Mireille Tempez wrote:
> > Hello i have also the same problem, in opening raw
> files .cr3, from
> > canon eos you can test with this file the
> > R5MB7803.CR3 <
https://drive.google.com/file/ <https://
>
drive.google.com/file/>
> > d/17HzMw6j_4YyDgGnawRyFltjeMUr1jbvX/view?usp=drive_web>
> >
> > cordialement Mireille Tempez
> >
> > Le ven. 27 févr. 2026, 09:41, 'PTGui Support' via PTGui Support
> > <
pt...@googlegroups.com <mailto:
pt...@googlegroups.com>> a
> écrit :
> >
> > Hi Geoffrey,
> >
> > I think the problem in GigaPX Tools is due to the compression of
> > PTGui's
> > TIFF output. PTGui 13.5 defaults to using ZIP compression for
> TIFF
> > output (previously it used Packbits by default). Perhaps
> GigaPX Tools
> > doesn't support this. See the Settings button next to the file
> > format in
> > the Create Panorama tab.
> >
> > The LibRaw input/output error is something different, this looks
> > like it
> > might be a problem in PTGui. I can't reproduce this though.
> When I try,
> > all your raw files load fine in PTGui 13.5 on Windows. How
> did you
> > trigger the error?
> >
> > Kind regards,
> >
> > Joost Nieuwenhuijse
> >
www.ptgui.com <
http://www.ptgui.com> <
http://www.ptgui.com
> > <
https://groups.google.com/g/ptgui/c/ <https://
>
groups.google.com/g/ptgui/c/>>
> > > oew_0EhgNXw>) and it works. However, I have encountered
> another
> > issue
> > > and I think it's related to the new update.
> > > After exporting a TIFF file, I always open it in GigaPX
> Tools PRO to
> > > transform it using the web viewer feature for my website.
> After
> > > exporting with 13.4 / 13.5, I get "Input file read error"
> message:
> > >
> > > ighjepth.png
> > >
> > > I have tried to export the exact same images with 13.3 and
> GigaPX
> > Tools
> > > works fine, as it had before.
> > > Here are the exported tiffs and raw files if you want to
> try for
> > > yourself, perhaps I'm doing something wrong? Perhaps the
> bug is
> > linked
> > > to the GFX 100SII?
> > > Google drive <
https://drive.google.com/drive/ <https://
>
drive.google.com/drive/> <https://
> >
drive.google.com/drive/ <
http://drive.google.com/drive/>>
> > <
https://groups.google.com/d/msgid/ <https://
>
groups.google.com/d/msgid/>>
> > > ptgui/9f97df65-3aa1-456c-a853-
> d5549a60dff0n%
40googlegroups.com <
http://40googlegroups.com>
> > <
http://40googlegroups.com <
http://40googlegroups.com>>
> > <http://
> >
groups.google.com/d/msgid/ptgui/9f97df65-3aa1-456c-a853-
> <
http://groups.google.com/d/msgid/ptgui/9f97df65-3aa1-456c-a853->>
> > > d5549a60dff0n%
40googlegroups.com <
http://40googlegroups.com>?
> > utm_medium=email&utm_source=footer <
http://40googlegroups.com
> <
http://40googlegroups.com>?
> msgid/ <
https://groups.google.com/d/msgid/>
> > ptgui/d98639e5-341c-4ca0-b81c-461e8ab8d63c%
40ptgui.com
> <
http://40ptgui.com> <https://
> >
groups.google.com/d/msgid/ptgui/d98639e5-341c-4ca0- <http://
>
groups.google.com/d/msgid/ptgui/d98639e5-341c-4ca0->
> > b81c-461e8ab8d63c%
40ptgui.com <
http://40ptgui.com>>.
> msgid/ptgui/ <
https://groups.google.com/d/msgid/ptgui/>
> > CAAs9Y2ZtV5HcHymDFNTm%3DdTAwEjjr-
> gDA4j%3DXwUuTHB16zh5Fw%
40mail.gmail.com <
http://40mail.gmail.com>
> > <
https://groups.google.com/d/msgid/ptgui/ <https://
>
groups.google.com/d/msgid/ptgui/>
> > CAAs9Y2ZtV5HcHymDFNTm%3DdTAwEjjr-
> > gDA4j%3DXwUuTHB16zh5Fw%
40mail.gmail.com?
> utm_medium=email&utm_source=footer <
http://40mail.gmail.com?
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