[hugin-ptx] Problems with photometric optimisation and the final output when translation is nonzero

[Wirz]

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Hash: SHA1

Hi,

I'm having some issues with the translation parameters (Tx, Ty, Tz).

As soon as I start optimizing these parameters (and they get nonzero
values) the photometric optimisation is not possible any more (Error: no
overlapping points found, Photometric optimisation aborted.), although
there are definitely overlapping points as I can verify in the
quickpreview.  Actually the result looks very good to me.

Furthermore, the final output is kind of broken as soon as the
translation parameters are nonzero: Either the output from nona is
totally white or at least some of the output-pictures are clipped.  It
feels a bit like there was some pseudo-3-D rearrangement going on but
the final output is looking on the scene from a different angle (so
sometimes only part of or no photo is visible).

The project file as well as the photos can be seen here:
http://www.rzuser.uni-heidelberg.de/~lwirz/hugin/

Im running a 2010.10.a3988d6c4e7b (about one week old) on an debian
machine.  Nona is executed on the graphics card.

Is this problem known?  Is there any obvious mistake in what I'm doing?
 Is there anything I could do to track down the problem?

cheers, lukas
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Re: [hugin-ptx] Control point generator installation

[Harry van der Wolf]

Hi,

2010/6/11 Photo Novice 

> Hi,
>
> I'm just trying to start with Hugin on a Mac using OSX 10.6.3. The
> Hugin download and install seems to have worked but I'm getting
> nowhere with getting the control point generators. The webloc gives me
> a sql connect error message.


Please try again.  I just updated my webserver to Ubuntu 10.04 this
afternoon and had some problems resulting in a no longer functioning mysql
database. That caused the sql connect error. Ubuntu has to work a little
more on their new upstart-job scripts. I fixed it using a work-around.
Instead of my website being off-line for 20 minutes I have been off-line for
over 4 hours.



> When I try downloading Panomatic, for
> example, direct from Sourceforge, I get a Unix application file but it
> does not seem to open let alone run.
>
> Any help with getting a control point generator up and running  with
> Hugin would be appreciated.
>


Also here: please try again. The website also gives you information on how
to configure the cp detectors.
Sorry for the inconvenience.

Harry

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[hugin-ptx] Control point generator installation

[Photo Novice]

Hi,

I'm just trying to start with Hugin on a Mac using OSX 10.6.3. The
Hugin download and install seems to have worked but I'm getting
nowhere with getting the control point generators. The webloc gives me
a sql connect error message. When I try downloading Panomatic, for
example, direct from Sourceforge, I get a Unix application file but it
does not seem to open let alone run.

Any help with getting a control point generator up and running  with
Hugin would be appreciated.

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Re: [hugin-ptx] Layout mode - feature discussion

[T. Modes]

Hi,
True, that is even more á pointe.  Maybe even single out only these 
for a CP-search run APSC and such.


That will confuse/collide with existing functionality. The cp detector 
runs on all selected images on the image tab. (If no image is selected, 
it runs on all images.) If we would implemented your idea, then the 
following scenario would be possible and confuse the user:
1.) You select images on the image tab, on which you want to run the cp 
detector.

2.) But some/all images are inactive.
As the result the cp detector does not run as indented.

If you want to restrict the cp search, mark only these image which 
should included on the image tab.


Thomas

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Re: [hugin-ptx] Layout mode - feature discussion

[Oskar Sander]

2010/6/11 James Legg 

>
> > a)  It would be good if the connections also was hidden when the
> > corresponding images are hidden.
>
> Good suggestion. I didn't think it made sense to show connections to
> hidden images, so I just implemented this in trunk.
>
>
Excellent!



> > b) Maybe make a) as a configurable flag in the Layout-pane.  It would
> > also be good then to be able to select if you would like to see only
> > overlap(grey), only CP or both.
>
> Displaying only the grey lines between overlapping images without
> control points would make the display clearer when you are looking for
> them.
> However, I think it would be better if there was a warning about
> overlapping images with no control points on the assistant tab instead.
>
>
True, that is even more á pointe.  Maybe even single out only these for a
CP-search run APSC and such.

/O

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Re: [hugin-ptx] Layout mode - feature discussion

[James Legg]

On Fri, 2010-06-11 at 16:34 +0200, Oskar Sander wrote:
> I've played with the layout mode (thanks to ZZ's builds), and must say
> that it is quickly progressing.   

> a)  It would be good if the connections also was hidden when the
> corresponding images are hidden.

Good suggestion. I didn't think it made sense to show connections to
hidden images, so I just implemented this in trunk.

> b) Maybe make a) as a configurable flag in the Layout-pane.  It would
> also be good then to be able to select if you would like to see only
> overlap(grey), only CP or both.

Displaying only the grey lines between overlapping images without
control points would make the display clearer when you are looking for
them.
However, I think it would be better if there was a warning about
overlapping images with no control points on the assistant tab instead.

-James
> 




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Re: [hugin-ptx] Re: custom install package

[Nicolas Pelletier]

I'm not currently setup to build apart from panomatic.

So in Yuvs comment, I'll foot the first 10$. Specially if it can enable an
install kit (or zip... I don't care) in both 32 and 64 bit to come out on a
regular basis.

nick

On Thu, Jun 10, 2010 at 1:48 AM, allard  wrote:

> I'm the one who has built the 2009.4 windows installer. Unfortunately,
> my computer that had the build environment on it is severely crippled,
> and I have decided not to take the effort of setting that up on my new
> computer, as my current priorities are different.
>
> I check back to this group every now and then to see what is going on.
> A few weeks ago there was another thread about a Windows installer,
> where I offered help to anyone who would want to build it. Nobody
> reacted.
> Once again I would like to stress the following to all those who
> currently build hugin for windows: After you manage to build all the
> binaries that are needed to run hugin, creating the installer is
> really really simple. It's one text file you have to edit slightly
> every time a new file is added to the package, then press a button.
> You could even do it from binaries somebody else built, though that's
> not the cleanest way (e.g I never managed to build enblend by myself,
> I just used downloaded binaries).
>
> The hardest part is getting enough people to thoroughly test the
> binaries (and installer) to be able to declare it 'release quality'.
>
> Allard
>
> > There has not been a user-contributed 2010.0.0 build for Windows so
> > far.  Theoretically any user a Windows box could follow the
> > instructions in the panotools wiki athttp://
> wiki.panotools.org/Build_Hugin_for_Windows_with_SDK
> > but the instructions and the SDK are outdated.  There have been
> > repeated attempts at updating this, but so far they have all stucked
> > at the discussion stage.  Also, while following blindly instruction
> > may yield an executable, this does not guarantee the quality of the
> > resulting executable.  It is preferable if an experienced and
> > knowledgeable Windows user does this step.  Unfortunately that user
> > either does not exist or does not want to share his work.
>
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[hugin-ptx] Layout mode - feature discussion

[Oskar Sander]

I've played with the layout mode (thanks to ZZ's builds), and must say that
it is quickly progressing.

I have come to think about some feature improvements that I'd like to
discuss.  Consider this project with a few images in a row [1].  The images
are scaled down in order to examine the CP connections [2]  however these
are a bit hard to see as they are overlaying each other.  If Images are
turned-off, the connections are still shown, although the images are gone
[3].

Ideas:

a)  It would be good if the connections also was hidden when the
corresponding images are hidden.
b) Maybe make a) as a configurable flag in the Layout-pane.  It would also
be good then to be able to select if you would like to see only
overlap(grey), only CP or both.
c) (and one old  that we know) It would be useful to be able to
independently zoom into the layout-mode without ruining the selected FOV and
crop.

We know c) takes some work,  but a) is probably very simple and solves some
of that issue anyway.

[1]
http://picasaweb.google.com/lh/photo/aOttiYSkGhine2cDM60QUA?feat=directlink

[2]
http://picasaweb.google.com/lh/photo/WXOadi3VR62GEA68AcMXPA?feat=directlink

[3]
http://picasaweb.google.com/lh/photo/ptIwNMXqXlBSogikjFwp3A?feat=directlink

Cheers
/O

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Re: [hugin-ptx] Interesting projects

[Jan Martin]

Dale,

over at the PanoToolsNG mailing list I started a thread about panoramas with
the same person in it hundreds of times:

You can read the whole thread here:
http://tech.groups.yahoo.com/group/PanoToolsNG/message/42361
or
http://panotoolsng.586017.n4.nabble.com/This-guy-took-panos-with-himself-hundreds-of-times-in-it-td2249253.html#a2249253


Harry van der Wolf described just today how to do something this using a
recent version of hugin, that can create masks now:

You can do it completely within Hugin in one of the new 2010 svn builds. It
now has a builtin mask editor which works very nice. I have already used it
quite extensively for both fixing and tricking my panos.
See a flickr tutorial here (1) and here (2). Both on Linux b.t.w.

Harry

(1): 
(2): 

Good luck,
Jan

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[hugin-ptx] Interesting projects

[Dale Beams]

Can these be done in Hugin?

http://www.petapixel.com/2009/12/04/4-creative-projects-that-bend-the-reality-of-street-scenes




  
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Re: [hugin-ptx] rotate a panorama

[paul womack]

Bruno Postle wrote:

On Mon 07-Jun-2010 at 12:43 +0100, paul womack wrote:


However, the orientation of the resulting panorama
was "wrong" for the cylindrical projection (i.e
the wide dimension was vertical).

How do I rotate a panorama?


In the Fast Preview window right-click drag, or use the numeric 
transform in the preview and 'roll' the panorama by 90.


Wow.

That's *much* slicker than the solution I came up
with, which was to manually set parameters
on the anchor image, and reoptimise.

  BugBear

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Re: [hugin-ptx] Re: Why not ask for directions?

[Bruno Postle]

On 11 June 2010 02:34, Tom Sharpless  wrote:
>
> Is this implemented within hugin or as an external command or script?

It is currently only available in the GUI. There is also the gigastart
script in Panotools::Script which basically does the same thing using
Makefiles (though the overlap detection stage isn't as sophisticated).

-- 
Bruno

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Re: [hugin-ptx] Re: Why not ask for directions?

[Bruno Postle]

On 11 June 2010 02:34, Tom Sharpless  wrote:
>
> OK, now I see the (multirow/stacked) CP option.
>
> I tried it out on an 8-shot fisheye spherical pano. It ran pretty slow
> (mainly because of the poor k-d tree implementation in autopano),

Also reading and writing the .key XML files takes up a lot of the time.

> could not place the zenith and nadir shots, and aligned the others
> badly, but with the right arrangement.

The generatekeys/autopano pair doesn't deal well with fisheye images.
So this multi-row feature is currently only really suitable for narrow
field-of-view photos.

> Perhaps it is not fair to test a 'multirow' algorithm on an image set
> with one 'row' and two 'caps'.  But a practical 'grid' method ought to
> handle spherical arrangements as well.

It will, but the plan is to add fisheye support to Pablo's
libpanomatic tool rather than continue with the distribution problems
of autopano-sift-c.

Do try it with a real multirow project. My experience with a 5x35
'gigapixel' project is that it just works, and although it isn't fast,
it scales linearly with the number of photos.

In the past you proposed a binary memory-mapped format for temporary
.key files, this would improve the speed considerably.

Antoine Deleforge will hopefully tackle some of these issues with his
Summer of Code project. It would be a great help if you could follow
the progress and chip in where necessary.

-- 
Bruno

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Re: [hugin-ptx] Hugin source code visualization

[Eric O'Brien]

Plus, this should make everyone want to put *everything* under source  
control, just so they can visualize their activity!  :)


eo

On Jun 10, 2010, at 1:18 AM, David Haberthür wrote:


Hey all.
Now that hugin recently switched to Mercurial for Code revision, I  
thought I could try something fun with it:
Recently I stumblede over gource [1] a nice tool for the  
visualization of sourcecode. I've used gource to visualize the  
progress of my PhD-Thesis ([2], which was handed in a week ago btw)  
and thought I'd do this for hugin.
It turned out to be a little bit of a challenge, but let me walk  
through to the end-result:


On OS X it's pretty easy to install all the necessary things to make  
the resulting movie, just make sure you've installed MacPorts [3]  
and issue

 $ sudo port install mercurial ffmpeg gource
in Terminal.app to install the necessary stuff. Then drink a coffee,  
because this takes a long time :)


Using a simple
 $ hg clone http://hugin.hg.sourceforge.net:8000/hgroot/hugin/hugin  
hugin
in a directory of choice downloads hugin's source code. Again, do  
this in the Terminal.app.


"Cd" into hugins directory and enter the following command:
 gource -800x600 --disable-progress --stop-at-end --bloom-multiplier  
1.25 -a 0.05 --output-ppm-stream - | ffmpeg -y -b 3000K -r 60 -f  
image2pipe -vcodec ppm -i - -vcodec libx264 -vpre default hugin.mp4
This command instructs gource to make a 800x600 pixel movie with  
some tweaks, outputs this to a ppm-stream and converts this stream  
with ffmpeg to a resulting movie, hugin.mp4. Go and have another  
coffee, since this can take even longer than the command above...  
After you've marveled at the nearly 3 GB, two-hour (!) long movie  
(or maybe not :) you wonder how to present this movie.


Fiddling around with iMovie [4] in the end you get this: 
http://vimeo.com/12442226

It's beautiful! My way of saying "Thank you" to all the developers  
and coders of hugin. You've done a great job, I love to use hugin.  
Keep it up!


Greetings from Switzerland
Habi


[1]: http://code.google.com/p/gource/
[2]: 
http://habi.gna.ch/2010/05/14/codevisualisierung-mit-gource-so-arbeitete-ich-an-meiner-diss/
[3]: http://www.macports.org/
[4]: http://www.apple.com/ilife/imovie/. The fiddling with iMovie  
involved conversion of the movie to alter its speed, since iMovie  
can only speed up to 2000%, which was not enough to go from +2 hours  
to 4 minutes in one step. Since I've had a nice song as a  
background, I had to to multiple exports and imports to speed the  
movie up to the necessary 4.5 minutes,


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Re: [hugin-ptx] Hugin source code visualization

[Eric O'Brien]

Wow!

That is mesmerizing!  The music certainly helps increase the effect.

eo

On Jun 10, 2010, at 1:18 AM, David Haberthür wrote:


Hey all.
Now that hugin recently switched to Mercurial for Code revision, I  
thought I could try something fun with it:
Recently I stumblede over gource [1] a nice tool for the  
visualization of sourcecode. I've used gource to visualize the  
progress of my PhD-Thesis ([2], which was handed in a week ago btw)  
and thought I'd do this for hugin.
It turned out to be a little bit of a challenge, but let me walk  
through to the end-result:


On OS X it's pretty easy to install all the necessary things to make  
the resulting movie, just make sure you've installed MacPorts [3]  
and issue

 $ sudo port install mercurial ffmpeg gource
in Terminal.app to install the necessary stuff. Then drink a coffee,  
because this takes a long time :)


Using a simple
 $ hg clone http://hugin.hg.sourceforge.net:8000/hgroot/hugin/hugin  
hugin
in a directory of choice downloads hugin's source code. Again, do  
this in the Terminal.app.


"Cd" into hugins directory and enter the following command:
 gource -800x600 --disable-progress --stop-at-end --bloom-multiplier  
1.25 -a 0.05 --output-ppm-stream - | ffmpeg -y -b 3000K -r 60 -f  
image2pipe -vcodec ppm -i - -vcodec libx264 -vpre default hugin.mp4
This command instructs gource to make a 800x600 pixel movie with  
some tweaks, outputs this to a ppm-stream and converts this stream  
with ffmpeg to a resulting movie, hugin.mp4. Go and have another  
coffee, since this can take even longer than the command above...  
After you've marveled at the nearly 3 GB, two-hour (!) long movie  
(or maybe not :) you wonder how to present this movie.


Fiddling around with iMovie [4] in the end you get this: 
http://vimeo.com/12442226

It's beautiful! My way of saying "Thank you" to all the developers  
and coders of hugin. You've done a great job, I love to use hugin.  
Keep it up!


Greetings from Switzerland
Habi


[1]: http://code.google.com/p/gource/
[2]: 
http://habi.gna.ch/2010/05/14/codevisualisierung-mit-gource-so-arbeitete-ich-an-meiner-diss/
[3]: http://www.macports.org/
[4]: http://www.apple.com/ilife/imovie/. The fiddling with iMovie  
involved conversion of the movie to alter its speed, since iMovie  
can only speed up to 2000%, which was not enough to go from +2 hours  
to 4 minutes in one step. Since I've had a nice song as a  
background, I had to to multiple exports and imports to speed the  
movie up to the necessary 4.5 minutes,



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