16bit PNG

I've received and verified a report that 16bit PNG are not opened
properly with my latest installer (SVN3023). I've been told that the
problem does not happen in Linux.

Can people with older and newer Windows versions, as well as people on
other platforms, quickly try to load the test images at <http://
www.photopla.net/hugin/png16bit.zip> and report what happens?

Please add your comments to the bug report at <http://sourceforge.net/
tracker/index.php?func=detail&aid=1955406&group_id=77506&atid=550441>

Thanks a lot
Yuv
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Re: GSoC 2008 - Official welcoming message

prokoudine wrote:
> We welcome five students to participate at Google Summer for Code 2008
> for joint hugin/panotools/enblend organization.

Let's not forget Michael Ploujnikov - even if his project is officially 
  listed under VideoLAN where it belongs, it is a joint project. He will 
be contributing to this community by making some of the artwork we 
create, notably QuickTimeVR panoramas, accessible in the VLC media player.

http://code.google.com/soc/2008/videolan/appinfo.html?csaid=D235E2286B710C5F

> Initially we had only four slots, and due to a bug in a web app

... and to me pressing the wrong button. I'm happy it all ended well. 
<http://panospace.wordpress.com/2008/04/27/do-the-right-thing/>

> It would be great if other students didn't disappear until end of May

I am happy to see the students actively contributing in their free time 
on this mailing list and in the bug tracker.

> During coding time do not hesitate to tell the community about your
> successes. You will discover that quite a number of people will be
> happy to test your code and provide feedback.

Blog! IIRC there is a blogging infrastructure available on 
panotools.org, and there are the usual sites - wordpress, blogspot.

> Yuv might like to provide his vacation plans 

Re: 16bit PNG

On May 1, 9:17 am, Yuv <goo... <at> levy.ch> wrote:
> Please add your comments to the bug report at <http://sourceforge.net/
> tracker/index.php?func=detail&aid=1955406&group_id=77506&atid=550441>

UPDATE: Thanks everybody for testing. The problem is most likely with
libexiv2-0.16.

Thanks to Fahim for a patch that enables hugin to continue (without
metadata) if the issue is encountered. SVN3051

PNG users will have to be patient and enter the lens data manually
*for each image*. Hasn't there been already a discussion on how to
solve that?

Work on reading the PNG metadata in libexiv2 is progressing. <http://
dev.robotbattle.com/bugs/view.php?id=464> <http://dev.robotbattle.com/
cmtinfo_svn.php?r=10>

Once libexiv is updated and released, working with PNG files will be
the same like working with TIFF or with JPEG files.

Out of curiosity, how many people here on the list use PNG files as
their source image format, and why?

Yuv
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Windows SVN3051 installer

http://panospace.wordpress.com/2008/05/02/first-may-installer/

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Re: 16bit PNG

Dear Yuv,

>
> Out of curiosity, how many people here on the list use PNG files as
> their source image format, and why?
>

I never used PNG as file format for my images. I suppose JPG, TIF and RAW
are sufficient and enough file formats to store digital images in
different quality levels:
1) JPG = visual perception depending loss of information
2) TIFF = no (or slightly) loss, maybe transformed
3) RAW = pure data

Guido

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Re: 16bit PNG

On Friday, May 02, 2008 at 9:31, Guido Kohlmeyer wrote:

> > Out of curiosity, how many people here on the list use PNG files as
> > their source image format, and why?
> >
> 
> I never used PNG as file format for my images. I suppose JPG, TIF and RAW are
> sufficient and enough file formats to store digital images in different
> quality levels: 1) JPG = visual perception depending loss of information 2)
> TIFF = no (or slightly) loss, maybe transformed 3) RAW = pure data

TIFF is very outdated and all available lossless compressions have no 
or very small effect on 16 bit per channel files. LZW even sometimes 
increases file size. PNG has a very good lossless compression...

best regards
Erik Krause
http://www.erik-krause.de

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Re: 16bit PNG

Re: Windows SVN3051 installer

A few problems with 3051 on Linux,

Some rogue <<<<<<< lines in OptimizePhotometricPanel

then a crash on

hugin: /home/tnugent/gsoc/hugin/src/hugin1/hugin/PanoPanel.cpp:140:
bool PanoPanel::Create(wxWindow*, wxWindowID, const wxPoint&, const
wxSize&, long int, const wxString&): Assertion `m_ProjectionChoice'
failed.
Aborted

I'll have a close look

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Re: Windows SVN3051 installer

Yuval Levy schrieb:
> http://panospace.wordpress.com/2008/05/02/first-may-installer/
Thank you!

One issue about the installer: If my firewall blocks the installers 
access to the hugin web page, the installer fails.

Readme: The link to the explanation of cp-generators should be:
http://panospace.wordpress.com/2008/04/20/cp-gen/
Concerning this article and the multitude of cp generators I left a 
comment there. Maybe this should be discussed on the list. Partially it 
has been already (preferences dialogue not reflecting the choice of 
tools supplied).

First test stitch perfect. Closing hugin before stitching (but after 
saving) resulted in a crash. After stitching OK But I could not 
reproduce this. I'll file a bug when I can tell more.

regards
Joachim

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untranslated strings

Hi all,
I just realized, that there is an untranslated string in the UI of SVN 
3051 ("No project files specified" after cancelling the stitching 
dialogue) which I don't find in the currently downloadable de.po file 
SVN 3038. And this string has already existed in versions before 3038. 
How can this happen?
This untranslated message is useless in my opinion (as already stated by 
others) but the question is a general one.

regards
Joachim

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