Re: [hugin-ptx] Re: smarter undo/redo

2010-09-24 Thread Kornel Benko
Am Freitag, 24. September 2010 schrieb Yuval Levy:
...
  I have also thought of listing history steps (like 
 in a browser's back button), but for this the descriptions in PanoCommand 
 need 
 to be cleaned up (I already cleand a bit), and some more detail about the 
 specific action need to be extracted (maybe from PanoMemento? I'm still 
 studying that part of the code) to be listed.

I like this idea. Something numbered, so one could remember the history number.

 another feature I am looking into is saving the whole history with the 
 project 
 file.  Because the outcome of the optimization process is very much dependent 
 from the initial positioning of the images, access to the whole history of 
 the 
 project can be helpful when fine tuning the individual images.

This too, but it looks like a difficult thing over sessions.
The accessible history would be this session only.

 Yuv

Kornel


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[hugin-ptx] Re: hugin blues

2010-09-24 Thread Gareth
I'd like to add my thoughts here on why I liked Hugin, but decided to
use PTgui.

I've just started with Panorama software, and am looking to integrate
Panos and VR tours into my photography business.
I'm a great advocate of Open source software, and was pleased to find
Hugin, and it's associated programs. I've also a long track recored in
computing before moving to photography as a career, so I was happy to
tackle the challenges of getting Hugin to work
However, after a number of trials, and some success with Hugin, I
bought PTgui. I could get good (perhaps not perfect) results quickly
with PTgui that I couldn't do with Hugin. And my criteria for choosing
the software was getting my knowledge up and the ability to get a
product to market as soon as possible - so the use of commercial
software and consequent timesaving was, for me, the correct decision.

These days I do most of my work on a Mac, having migrated from
windows. I had some difficulty in installing and getting everything to
work on this platform. It wasn't practical for me to use my Windows
desktop to stitch panos but travel with a Macbook when taking the
images. I guess the final thing was actually gathering up to date
information on both program installation and operation - a common
problem with open source.

However, I still gather lots of useful information from this
community, and perhaps will revisit Hugin as a tool when I can easily
install and configure on my Macbook.

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[hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread Henk Tijdink


Hello Yuv

This is no issue of Hugin itself, but it is a lack of Standard  in
handling and using EXIF info by camera manufacturers and software
developers.

  It seems there is no standard in the EXIF info of various camera
  manufacturers, and handling and saving of the EXIF info after the
  development and processing by the developers of the programs.

 a couple of years ago I fixed the FOV reading for Olympus cameras.  Out of
 camera images are pretty OK now, but there is no way Hugin can support the
 panoply of software used to convert RAW / edit the images before they are fed
 into Hugin.

  Focal length in generaly is handled well (except canon zoom browser
  that works only well for EXIF info for canon camera files).

 I am not sure I understand this statement.  Is there an issue with files saved
 from canon zoom browser when they are loaded into Hugin?

Yes there is an issue with olympus jpegs processed in the Canon zoom
browser.
When checking the EXIF after processing the focal length isn't in it.

  Apart of the save lens, wish there was a camera database in Hugin
  where you can put the camera  and multiplier for that camera and save
  it.
  When needed Hugin can read that info and fill in the multiplier
  value.The multiplier is only dependent of the camera and not the lens.

 The multiplier depends on what is in the file.  As much as converting software
 can garble EXIF, it is possible that a converting software garbles the
 multipler as well, e.g. converts the focal length information to full frame
 equivalent or whatever multiplier it wants to write in.

 I don't think that recalling a multiplier value based on the camera's
 identification tag can be helpful.

Building in a camera database with the multiplier in Hugin with all
camera's is too painfull and always not up to date.
Too many camera's coming out each year for it.
I've a license and use PTAssembler too.
In the beginning Max Lyons started a database for camera model and
multiplying value, but abandoned that, because it is too time
consumingto keep it up to date.
That is a simple text file according a certain syntax with
manufacturer and model and multiplier. Manufacturer and model
according the EXIF info.
I can edit my camera's in it according the EXIF info and put the
multiplier in it. The multiplying value is then hardcoded in the
program and has not to be calculated from the EXIF info.
 Luckily it is a text file, so PTAssembler can read now my camera and
multiplier from the text file.
Manufacturer and model stays intact in the EXIF by postprocessed jpegs
and developed raw files. When the camera is not in the multiplier list
then PTAssembler  tries to calculate it from
the EXIF info. Out of curiosity I found this by studying the
multiplier file and the exif info, so I could feed my camera's in the
multiplier file.
Perhaps in the future a possibility that the user feeds his own camera
and multiplying value for them in Hugin?

 Also, most users work with a single camera and a single conversion software.  
 Sometimes two.  The effort of saving the lens (which is anyway strongly
 recommended, including calibration) is minimal.  Getting to grip with the
 hundreds of camera models, EXIF-mangling software, and all combinations
 thereof is not practical.

I just did this test out of curiosity, because I didn't get the
multiplying factor of my in Elements processed E-500 files.
I'm as most users, but curiosity strikes me some time.
The camera's I use are only the E-500 and powershot A590.
Software I use for viewing and processing is Photoshop elements 7 and
Faststone image viewer.

Kind regards,
Henk

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[hugin-ptx] Re: Selecting and moving multiple images in Hugin's Image Tab.

2010-09-24 Thread Steeve
Thomas.

Apologies for the re-posting.. I did not see the orignal appear in the
group? Since I'd used another emailer to send it I assumed it had been
block.

Yes I'd completely over-looked the fact that non-adjacent images could
be selected..

The 'shuffling' of image does generate alot of 'history'. I'd been
thinking about Yuv's recent post on undo history. For some reason I
never use undo, not that I don't make mistakes, just Hugin provides
other ways to get around mistakes... So again I never thought to test
this patch for it's undo behavoiur. Looks like I do want to write
methods to delete and insert images into the list.

Thank-you for taking the time to review the patch..

Regards
Stephen

On Sep 10, 12:01 pm, T. Modes thomas.mo...@gmx.de wrote:
 Hi Steeve,

  Seems too easy, can anybody see anything I've missed?

 The patch needs more work:
 1.) First, it creates for every image an own command in the command
 history, what makes is complicated to use the undo function.
 2.) Your patch goes mad, if you select several non-adjacent images. In
 this case it moves n images following the first selected image (with n
 the number of selected images), but not the selected images. This is
 the main reason why moving several images is not so easy. You can not
 assume that all selected images are adjacent. If you force this, you
 break exisiting functionality.

 Thomas

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Re: [hugin-ptx] Re: hugin blues

2010-09-24 Thread Carl von Einem
On Mac OS X you just need to download an image (dmg) or a zip file from 
Harry's site [1], open that and drag the contents do the desired folder. 
hugin installation done... (hugin-mac-2010.2.0-rc1-p2 from 18 Sept 2010 
works fine on my oldish G5 PowerMac)


Next step is to once download the needed CP generators as described in 
the folder Control Point Generators that comes with hugin. Just follow 
what's written in Read me first (Mac).rtfd.


What other hurdles do you see?

Cheers,
Carl

Gareth schrieb am 24.09.10 10:23:


However, I still gather lots of useful information from this
community, and perhaps will revisit Hugin as a tool when I can easily
install and configure on my Macbook.



[1] 
http://panorama.dyndns.org/index.php?lang=ensubject=Hugintexttag=Hugin


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[hugin-ptx] Re: hugin blues

2010-09-24 Thread kfj
Thank you all for your echo to my hugin blues rant! And special thanks
to Yuval Levy, you have really made an effort to work things out for
me so I can take heart, get over my frustration and maybe end up doing
something productive. I could go on now about to finer points of my
criticism and be less vague about why I moaned about this or that, but
I feel that would be besides the point and I should rather direct
specific criticism to specific places/threads/recipients.

Let me add that I am using very recent Windows builds to good success
- I really don't mind the odd bug or crash, as long as I can make my
way. I really appreciate some newer features - like the fast preview,
mosaic mode or the masking tool, and I'm well willing to struggle up
the learning curve to get things working. And I'll look into what I
can do to make the problems that bug me go away.

with regards
KFJ

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[hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread kfj
Trying to extract the crop factor (or other lens- or camera-specific
information) from the EXIF data can be straightforward, but it may as
well be difficult or impossible, depending on the work flow.
I have had my issue with the lens data, where I couldn't get enough
EXIF information into the images to make hugin detect that I was using
a stereographic lens. My proposition was to use the information in the
EXIF tag 'LensModel' to pick a specific lens .ini file. Since
properties like the crop factor are gleaned from the lens .ini file,
this would solve the issue. It seems my proposal hasn't elicited any
interest whatsover, though :( - have a look at

http://groups.google.com/group/hugin-ptx/browse_thread/thread/cf6bba0d7babb4a5#

(I hope that's the right way to refer to another thread - In case it's
not, the heading is
'feature proposal: let hugin use the LensModel EXIF tag')

with regards
KFJ

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Re: [hugin-ptx] Re: smarter undo/redo

2010-09-24 Thread Yuval Levy
On September 24, 2010 01:48:55 am T. Modes wrote:
 I thinks, that no good idea. The first approach should work better.

OK, will do the first approach.  Is it OK if I commit it?

Yuv


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Re: [hugin-ptx] Re: Selecting and moving multiple images in Hugin's Image Tab.

2010-09-24 Thread Yuval Levy
On September 24, 2010 01:50:22 am T. Modes wrote:
 That's the same patch as in
 http://groups.google.com/group/hugin-ptx/browse_thread/thread/dfd4cc8affbfd
 c39
 
 I answered there.

oh, I thought it was an improvement based on your thorough and helpful 
feedback.

sorry
Yuv


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Re: [hugin-ptx] Film

2010-09-24 Thread Yuval Levy
Thanks, Carl.

On September 24, 2010 01:46:08 am Carl von Einem wrote:
 Eric is right, it's about the dynamic range of negatives vs. positive

You taught me sonething.  I always thought they had the same 
characteristics...


 To put it the other way round: is there a reason why you would prefer
 slide film over negs if we put away all digital cameras for a moment?

... and that the difference was made by the output medium (paper vs. light).

My reason to prefer slides over negatives for my silver-based photography back 
in the time was the size and vibrance of a projection compared with the small 
size, environmental impact, and relatively less vibrant sight of a printed 
negative.  Nothing to do with stitching.  A lot to do with available wall 
space.  And with money too - I'd be bankrupt had I printed my selected slide 
show on Ilfochrome.

I first came to slides when I got introduced to underwater photography.  Then 
I used one roll of slides on land and was immediately sold.

Yuv


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Re: [hugin-ptx] Re: smarter undo/redo

2010-09-24 Thread Yuval Levy
On September 24, 2010 02:28:15 am Kornel Benko wrote:
 I like this idea. Something numbered, so one could remember the history
 number.

I doubt most users are as diligent as you, Kornel.  I for instance would not 
be able to remember the history number, but I like to read something 
descriptive like in the browser history.  It's on my todo list for after the 
initial committ.

 
  another feature I am looking into is saving the whole history with the
  project file.  Because the outcome of the optimization process is very
  much dependent from the initial positioning of the images, access to the
  whole history of the project can be helpful when fine tuning the
  individual images.
 
 This too, but it looks like a difficult thing over sessions.
 The accessible history would be this session only.

I think already now the whole session history is accessible.  What I need is 
the whole history across sessions (think: working on 100+ images over 
sessions.  I may be overlooking something, but I have an idea that may work: 
serializing the whole PanoMemento and saving it.  Reloading it and replaying 
it.  Probably in a separate file (.pto.mem?).  Have to check how it will 
interact with loading the .pto file, although if every step of the way is in 
PanoMemento, maybe it will even make the .pto file redundant for this kind of 
load operation.  We'll see, hopefully around Christmas time.

Yuv
 
  Yuv
 
   Kornel


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Re: [hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread Yuval Levy
Hi Henk,

On September 24, 2010 04:55:22 am Henk Tijdink wrote:
  I am not sure I understand this statement.  Is there an issue with files
  saved from canon zoom browser when they are loaded into Hugin?
 
 Yes there is an issue with olympus jpegs processed in the Canon zoom
 browser.
 When checking the EXIF after processing the focal length isn't in it.

oh - I suspect that Canon Zoom Broser is completely oblivious to EXIF 
variations other than Canon's own (which in this area happens to be more 
standard conforming than Olympus).  Hugin was oblivious this way too until I 
took it up as an exercise and fixed it (easy).  Although I am not sure about 
asking Canon to apply the same easy fix.  They will probably prefer you 
replace your Olympus camera with a Canon camera...

 
 Perhaps in the future a possibility that the user feeds his own camera
 and multiplying value for them in Hugin?

that's what the lens' INI files are for.  If I understand your well detailed 
account of how you used PTAssembler and would like to use Hugin, you would 
like an option to skip the manuall loading of the lens file.

There might different ways to save you the time of loading a lens file, but 
all I can think of will be based on assumptions that you, the user, have to 
validate (which is what you did when you modified the hard-coded values in 
PTAssembler's text file.

It would be relatively easy to produce a hack that *blindly* overrides the 
multiplier (which is the only value you want to change if I understand 
correctly) from the preferences.

A slightly more difficult one would be to provide multiple multipliers for a 
few manually entered cameras based on the EXIF model tag.  Is this what you 
originally asked for?  As long as it is not expected for the database to be 
provided with Hugin, but manually and deliberately entered by an *advanced* 
user, I think this is feasible.

The best solution would be, of course, for camera manufacturers to comply with 
the same standard.  Try talking with Olympus...

Yuv


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Re: [hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread Yuval Levy
Hi KFJ,

On September 24, 2010 06:04:38 am kfj wrote:
 My proposition was to use the information in the
 EXIF tag 'LensModel' to pick a specific lens .ini file.

Sorry, I completely had overseen that thread :(

Yes, could make sense.  Do you feel comfortable enough with Hugin's codebase 
to start giving it a try?  You'll find plenty of mentorship here.


 http://groups.google.com/group/hugin-ptx/browse_thread/thread/cf6bba0d7babb
 4a5#
 
 (I hope that's the right way to refer to another thread

yes it.

in the meantime, I don't know why I have not thought of it first.  A  
workaround for Henk would be to do

exiftool -TagsFromFile original.raw converted.jpg

works on Linux/Mac/Windows and restores the originally working EXIF tags.  A 
finer grained selection of tags is possible too.

Yuv


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Re: [hugin-ptx] Film

2010-09-24 Thread Carl von Einem
Projection is still best with slides, true. Have to visit Rollei at the 
Photokina on Saturday :-)


Cheers,
Carl

Yuval Levy schrieb am 24.09.10 13:35:

Thanks, Carl.

On September 24, 2010 01:46:08 am Carl von Einem wrote:

Eric is right, it's about the dynamic range of negatives vs. positive


You taught me sonething.  I always thought they had the same
characteristics...



To put it the other way round: is there a reason why you would prefer
slide film over negs if we put away all digital cameras for a moment?


... and that the difference was made by the output medium (paper vs. light).

My reason to prefer slides over negatives for my silver-based photography back
in the time was the size and vibrance of a projection compared with the small
size, environmental impact, and relatively less vibrant sight of a printed
negative.  Nothing to do with stitching.  A lot to do with available wall
space.  And with money too - I'd be bankrupt had I printed my selected slide
show on Ilfochrome.

I first came to slides when I got introduced to underwater photography.  Then
I used one roll of slides on land and was immediately sold.

Yuv


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Re: [hugin-ptx] Re: hugin blues

2010-09-24 Thread Yuval Levy
On September 24, 2010 05:34:05 am kfj wrote:
 special thanks to Yuval Levy, you have really made an effort to work
 things out for me so I can take heart, get over my frustration and 
 maybe end up doing something productive.

happy to read my words were helpful to you.  I am sure you will do something 
productive, whether with PTgui, Hugin, or whatever other software you will 
apply your brains to.


 I'm well willing to struggle up
 the learning curve to get things working. And I'll look into what I
 can do to make the problems that bug me go away.

You're already on the right path.  Fire up questions to this list, you'll 
often get help and advice from people who have been there done that.

Even if you're going to unchartered territories, you'll get help and support 
along the way, as you can witness in your recent thread about building libpano 
on MinGW.

Yuv


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[hugin-ptx] Re: hugin blues

2010-09-24 Thread Gareth
Carl,

I've just checked the last Hugin image I installed, which was hugin-
mac-2010-1.0.0 from early June. I know from the list that things have
changed since then so perhaps I should give Hugin another try, when I
have some spare moments.


On Sep 24, 1:05 pm, Yuval Levy goo...@levy.ch wrote:
 On September 24, 2010 05:34:05 am kfj wrote:

  special thanks to Yuval Levy, you have really made an effort to work
  things out for me so I can take heart, get over my frustration and
  maybe end up doing something productive.

 happy to read my words were helpful to you.  I am sure you will do something
 productive, whether with PTgui, Hugin, or whatever other software you will
 apply your brains to.

  I'm well willing to struggle up
  the learning curve to get things working. And I'll look into what I
  can do to make the problems that bug me go away.

 You're already on the right path.  Fire up questions to this list, you'll
 often get help and advice from people who have been there done that.

 Even if you're going to unchartered territories, you'll get help and support
 along the way, as you can witness in your recent thread about building libpano
 on MinGW.

 Yuv

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[hugin-ptx] Re: building hugin 2010.2.0 with minGW

2010-09-24 Thread Bart van Andel
On 24 sep, 04:17, Yuval Levy goo...@levy.ch wrote:
 On September 23, 2010 10:03:32 am kfj wrote:
  Having finally managed to build libpano and collateral software using
  minGW and msys,
[...]
 AFAIK yours is the only recent success at building anything related to Hugin
 with MinGW.  More power to you.

Does building libpano13 using the mingw-cross-env cross building
environment [0] count? I've successfully built APSC for Windows from a
Ubuntu virtual machine last week. This required only very little
manual intervention:

libpano13:
- enable PPM support for MINGW target, to prevent linker errors later
on. This should probably go into Makefile.am, but I edited the already
generated Makefile.in instead, which was faster. Is there a reason why
PPM support was disabled in the first place?
- sys_win.h includes WINDOWSX.H (all uppercase), but the file is
called windowsx.h (all lowercase) when using mingw-cross-env. Not sure
if this is specific to mingw-cross-env.
- some tweaks specific to mingw-cross-env for file naming and usage of
tools, handled by mingw-cross-env.

APSC:
- manually edited the order of inclusion of libraries, since I
couldn't get (the cross build) GCC to work with the automatically
generated, but improper order. I don't know of any way to correct the
order using CMake? Of is there a GCC option I missed to instruct the
linker to search for symbols in all libs provided on the command line?

The PPM tweak for libpano13 is on its way into the mingw-cross-env
sources and will work with the current libpano13 release, the other
tweaks were already included. Probably it should be fixed in libpano13
itself though, and maybe also the uppercase/lowercase fix, is it's not
mingw-cross-env specific.

[0] http://mingw-cross-env.nongnu.org/#packages

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[hugin-ptx] Re: building hugin 2010.2.0 with minGW

2010-09-24 Thread kfj
I have started trying to get everything together I need for my hugin/
minGW attempt. This worked fine until I came to try and compile the
OpenEXR code [typically this was the last biggish packet on the list].
This code seems to depend on another library, ilmbase. Now ilmbase
won't compile until it has POSIX threads. I downloaded pthreads-w32
and tried to coax the libilm configure into accepting pthread-w32's
output, but to no avail. I keeps telling me that

checking for the pthreads library -lpthreads... no
checking whether pthreads work without any flags... no
checking whether pthreads work with -Kthread... no
checking whether pthreads work with -kthread... no
checking for the pthreads library -llthread... no
checking whether pthreads work with -pthread... no
checking whether pthreads work with -pthreads... no
checking whether pthreads work with -mthreads... no
checking for the pthreads library -lpthread... no
checking whether pthreads work with --thread-safe... no
checking whether pthreads work with -mt... no
checking for pthread-config... no
configure: error: POSIX thread support required

and fails. My coaxing went so that I made some links from pthread-
w32's output to where I think libilm should expect to find them:

ln pthreadGC2.dll /usr/local/lib/pthread.dll
ln libpthreadGC2.a /usr/local/lib/libpthread.a

for good measure, I also put links into the other /lib and /bin
directories, but to no avail...

Alternatively, I tried to compile the libilm code without threading,
by configuring it like:

./configure --enable-threading=no --disable-posix-sem

which at least makes the configure run through, but then subsequently
the make fails.
Has anyone been there? and then done what?

momentarily stalled
KFJ

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[hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread kfj


On Sep 24, 1:58 pm, Yuval Levy goo...@levy.ch wrote:

 Yes, could make sense.  Do you feel comfortable enough with Hugin's codebase
 to start giving it a try?  You'll find plenty of mentorship here.

Definitely not [yet ;) ]. Currently I am struggling to compile hugin
on my system with what compiler I have (minGW, I've started a thread
about this effort).
I might consider downloading and installing and even registering MSVC
since everyone tells me it's the standard thing to compile hugin with
- just so I can actually work on the code rather than struggling with
third party libraries (currently wrestling with OpenEXR), but I am
reluctant. I'll think about it. I just worry! What if they change
their license to something like 'all software you compile with our
product is now our possession which you may only use until we forbid
you to do so; if you link with our libs, you must pay license fees,
etc. etc.' - or if the next version of it suddenly isn't free anymore?
minGW is open source free software, so I feel safe using it.

My exif:LensModel - lens.ini proposal (which went unnoticed) was the
reason I wanted to look  into the code after all, because I thought
this could be implemented with little effort...

 in the meantime, I don't know why I have not thought of it first.  A  
 workaround for Henk would be to do

 exiftool -TagsFromFile original.raw converted.jpg

There are pitfalls in just plain transferring all tags from a raw file
to the target JPEG, since some things actually change in the
'development' process. Safer to only copy carefully selected tags to
the JPEG file, like the hugin workflow does.

 A finer grained selection of tags is possible too.

... so I think it's not only possible but necessary

with regards
KFJ

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[hugin-ptx] Re: Windows hugin-2010.2.0_rc1 Build

2010-09-24 Thread kfj
I've made the effort to actually uninstall and delete whatever bit of
hugin I could track down, including installation directories and start
menu entries, on my Windows system, to try and make a fresh install
with no relics from previous installations. Then I installed into a
new path. Again I asked for all CPGs to be installed, and the
installation dialog said it was downloading them. But the same CPG
omissions I noticed earlier still apply. If the new stuff is just
installed over a current installation, all the old CPGs will still be
there, so the problem might not manifest. Of course it might be that
the missing CPGs are actually downloaded to somewhere where I can't
find them, but I couln't find them anywhere :(

I also noticed that I could not get rid od my old CPG settings, and I
have no idea where they are actually stored. In the registry perhaps?
I would have liked to get rid of them before doing my install-to-a-
clean-state attempt.

The newly installed CPGs and the CPG settings (also for the missing
ones) produce problems on my system. match-n-shift won't run - now
this may be because I don't have ImageMagick installed, but the
version that the installer installs does not know the -m (nomagick)
flag. If I replace it with m-n-s from my previous install, it runs, if
I give it the right autopano to work with. And what about the -a and -
b flags? What are they for?

As far as autopano is concerned, there is a name conflict here with
autopano by A. Jenny and autopano by S. Nowozin, which is a different
thing altogether. A. Jenny's is used as standalone CPG, whereas
Nowozin's is used with existing .key files (like in conjunction with
generatekeys), if my understanding is correct.

And the settings for autopano-sift-c include '--projection %f,%v',
which does not work with the autopano-sift-c.exe I took from my
previous installation [version 2.5.2] (since the installer didn't
actually install it).

Now that I have all the (old) CPGs together again, the new hugin runs
well and only occasionally crashes (sometimes after using panomatic,
but I can't figure out when and when not) - so far I haven't found
anything crucially wrong with it. But I think the CPG deployment needs
some finetuning ;)

with regards
KFJ

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[hugin-ptx] Re: smarter undo/redo

2010-09-24 Thread T. Modes
Hi Yuv,


  I thinks, that no good idea. The first approach should work better.

 OK, will do the first approach.  Is it OK if I commit it?

It's ok.

Thomas

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Re: [hugin-ptx] Film

2010-09-24 Thread Hal V. Engel
On Friday, September 24, 2010 04:35:43 am Yuval Levy wrote:
 Thanks, Carl.
 
 On September 24, 2010 01:46:08 am Carl von Einem wrote:
  Eric is right, it's about the dynamic range of negatives vs. positive
 
 You taught me sonething.  I always thought they had the same
 characteristics...

Slide film has about an 8 stop dynamic range depending on the particular film.  
 
This is very similar to what we see with digital cameras although some may 
have a wider dynamic range.  With color negative film this can be as much as 20 
stops and most are at least 15 stops.  This is a distinct advantage when 
shooting panos that have things like the sun and deep shadows in the same 
scene.  In other words by default negative film is an HDR medium if it is used 
correctly (IE. expose for the shadows).

On the other hand slide film generally has a better (IE. finer) grain structure 
and as a result tends to have better detail if the cameras glass is good 
enough.

But for me the real bummer with slide film is that Kodachrome is no longer 
available and the last place that processed it just closed down a few months 
ago.

 
  To put it the other way round: is there a reason why you would prefer
  slide film over negs if we put away all digital cameras for a moment?
 
 ... and that the difference was made by the output medium (paper vs.
 light).
 
 My reason to prefer slides over negatives for my silver-based photography
 back in the time was the size and vibrance of a projection compared with
 the small size, environmental impact, and relatively less vibrant sight of
 a printed negative.  Nothing to do with stitching.  A lot to do with
 available wall space.  And with money too - I'd be bankrupt had I printed
 my selected slide show on Ilfochrome.
 
 I first came to slides when I got introduced to underwater photography. 
 Then I used one roll of slides on land and was immediately sold.
 
 Yuv

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Re: [hugin-ptx] Re: Hugin and focal length multiplier struggle.

2010-09-24 Thread Bruno Postle

On Fri 24-Sep-2010 at 03:04 -0700, kfj wrote:

Trying to extract the crop factor (or other lens- or camera-specific
information) from the EXIF data can be straightforward, but it may as
well be difficult or impossible, depending on the work flow.
I have had my issue with the lens data, where I couldn't get enough
EXIF information into the images to make hugin detect that I was using
a stereographic lens. My proposition was to use the information in the
EXIF tag 'LensModel' to pick a specific lens .ini file. Since
properties like the crop factor are gleaned from the lens .ini file,
this would solve the issue. It seems my proposal hasn't elicited any
interest whatsover, though :( - have a look at

http://groups.google.com/group/hugin-ptx/browse_thread/thread/cf6bba0d7babb4a5#


I intended to follow this up, but have been all over the place.

Yes, Hugin ought to be able to match EXIF data with saved lens 
profiles, this was the reason why the .INI files actually contain 
some data scraped from the EXIF - Though we never got around to 
doing anything with it.


There is also lensfun, which is a lens database and library:

http://lensfun.berlios.de/

One of the reasons lensfun was started was so Hugin could use it 
exactly as you described and we would lose the .INI files 
altogether.  Unfortunately nobody has had the time to do the Hugin 
integration yet, but it is used by some RAW conversion software 
already.


There is also a 'proof of concept' tool called lens-submit that can 
extract calibration and EXIF data directly from .pto projects and 
submit them to a central server:


http://search.cpan.org/dist/Panotools-Script/bin/lens-submit
http://comments.gmane.org/gmane.comp.misc.ptx/21536

--
Bruno

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[hugin-ptx] External panorama file format - Adobe pmg

2010-09-24 Thread Oskar Sander
Hi,

Does anyone heare have a clue about the adobe photomerge file format for
panoramas? The suffix is pmg for these files.  I would be interested to look
at a conversion...


Cheers
O

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[hugin-ptx] Re: External panorama file format - Adobe pmg

2010-09-24 Thread Tduell
Hullo Oskar,

On Sep 25, 5:03 am, Oskar Sander oskar.san...@gmail.com wrote:
 Hi,

 Does anyone heare have a clue about the adobe photomerge file format for
 panoramas? The suffix is pmg for these files.  I would be interested to look
 at a conversion...

A quick snoop about reveals...

PMG file is an Adobe Pagemaker Group. Adobe Pagemaker is a decent
desktop publishing software program if you want to create a simple
desktop publishing publication like a newsletter or a catalog. A PMG
file is an EPS graphic that contains bot a low resolution, bitmap
version of the image for display on screen and the PostScript
information needed to print at highresolution to a PostScript
printer.

If this is indeed the same file format you refer to, then it should be
able to be read by GhostScript and the like.
I also found a reference to .pmg as paint image magic file format,
which I think goes back to the days of the Commodore 64!

Cheers,
Terry

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[hugin-ptx] New mosaic mode tutorial

2010-09-24 Thread Tduell
Hullo All,

I have uploaded a new tutorial [0] to the website which explains the
basics of mosiac mode in stitching a mural.
It also shows how parallax can be used to remove unwanted objects in
front of the subject mural which may be blocking a clear view.

A link has been provided to Yuval's mosiac mode tutorial.

[0] http://hugin.sourceforge.net/tutorials/Mosaic-mode/en.shtml

Cheers,
Terry

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[hugin-ptx] Re: Windows hugin-2010.2.0_rc1 Build

2010-09-24 Thread Matthew Petroff
Here is a new installer based on the latest script:
http://www.box.net/shared/hnf7vgtjp2

All of the control point generators should install properly now.
All of them work properly for me on a clean install except match-n-
shift. When selected, hugin runs PTmender instead, but I can't figure
out why.

On Sep 24, 11:24 am, kfj _...@yahoo.com wrote:
 I also noticed that I could not get rid od my old CPG settings, and I
 have no idea where they are actually stored. In the registry perhaps?

Control point generator settings are stored in the registry. To remove
them you had to check Clean Registry Settings when you ran the
uninstaller.

I also made changes to Panomatic.nsh in order to take advantage of
SourceForge mirrors. A random mirror from a list of ten is chosen for
the download of Panomatic, and if it fails the other mirrors are tried
until one works. In addition, I changed HuginSetup_common.nsh to set
the default control point generator to one of the ones the installer
downloads, if it does so.
These changes are available here: http://www.box.net/shared/b8gg663s0g

Matthew

On Sep 24, 11:24 am, kfj _...@yahoo.com wrote:
 I've made the effort to actually uninstall and delete whatever bit of
 hugin I could track down, including installation directories and start
 menu entries, on my Windows system, to try and make a fresh install
 with no relics from previous installations. Then I installed into a
 new path. Again I asked for all CPGs to be installed, and the
 installation dialog said it was downloading them. But the same CPG
 omissions I noticed earlier still apply. If the new stuff is just
 installed over a current installation, all the old CPGs will still be
 there, so the problem might not manifest. Of course it might be that
 the missing CPGs are actually downloaded to somewhere where I can't
 find them, but I couln't find them anywhere :(

 I also noticed that I could not get rid od my old CPG settings, and I
 have no idea where they are actually stored. In the registry perhaps?
 I would have liked to get rid of them before doing my install-to-a-
 clean-state attempt.

 The newly installed CPGs and the CPG settings (also for the missing
 ones) produce problems on my system. match-n-shift won't run - now
 this may be because I don't have ImageMagick installed, but the
 version that the installer installs does not know the -m (nomagick)
 flag. If I replace it with m-n-s from my previous install, it runs, if
 I give it the right autopano to work with. And what about the -a and -
 b flags? What are they for?

 As far as autopano is concerned, there is a name conflict here with
 autopano by A. Jenny and autopano by S. Nowozin, which is a different
 thing altogether. A. Jenny's is used as standalone CPG, whereas
 Nowozin's is used with existing .key files (like in conjunction with
 generatekeys), if my understanding is correct.

 And the settings for autopano-sift-c include '--projection %f,%v',
 which does not work with the autopano-sift-c.exe I took from my
 previous installation [version 2.5.2] (since the installer didn't
 actually install it).

 Now that I have all the (old) CPGs together again, the new hugin runs
 well and only occasionally crashes (sometimes after using panomatic,
 but I can't figure out when and when not) - so far I haven't found
 anything crucially wrong with it. But I think the CPG deployment needs
 some finetuning ;)

 with regards
 KFJ

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Re: [hugin-ptx] Re: hugin blues

2010-09-24 Thread Emad ud din Btt
Hi,

I am using Hugin for almost 2 years time now. I stick with hugin because its
free. Its open source but I think this feature is for developers. i am just
a normal end user. Over the period of time I have used Autopano and PTGUI.
Hugin is free but you have to pay the price of working hard in learning it
:) Major difference between hugin and other softwares is for normal users.
Normal user will not want to go and add %p %o %s in autopano-sift parameters
for multirow pano. He will want to just load pics and get pano :)

I have experienced hugin growing and adding lots of features in these two
years. I have learnt hugin by posting my issues on this group and there are
lots of people to help you out. Hugin is Opensoure hope in panoramic
photography. I am with hugin and I hope in one year time it will at par with
commercial softwares.

I am a windows user and I feel there is lack of technical resource person
for windows users. Most of hugin team is not using windows. Thats why it
creates issues. Is there anyone looking after windows builds that they are
accurate and uptodate? or we have to shift to Ubuntu lolzzz



On Fri, Sep 24, 2010 at 5:37 PM, Gareth p...@jonestheweb.com wrote:

 Carl,

 I've just checked the last Hugin image I installed, which was hugin-
 mac-2010-1.0.0 from early June. I know from the list that things have
 changed since then so perhaps I should give Hugin another try, when I
 have some spare moments.


 On Sep 24, 1:05 pm, Yuval Levy goo...@levy.ch wrote:
  On September 24, 2010 05:34:05 am kfj wrote:
 
   special thanks to Yuval Levy, you have really made an effort to work
   things out for me so I can take heart, get over my frustration and
   maybe end up doing something productive.
 
  happy to read my words were helpful to you.  I am sure you will do
 something
  productive, whether with PTgui, Hugin, or whatever other software you
 will
  apply your brains to.
 
   I'm well willing to struggle up
   the learning curve to get things working. And I'll look into what I
   can do to make the problems that bug me go away.
 
  You're already on the right path.  Fire up questions to this list, you'll
  often get help and advice from people who have been there done that.
 
  Even if you're going to unchartered territories, you'll get help and
 support
  along the way, as you can witness in your recent thread about building
 libpano
  on MinGW.
 
  Yuv
 
   signature.asc
   1KViewDownload

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*Emaad*
www.flickr.com/emaad

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