Re: [hugin-ptx] Vertical line detector

2011-09-13 Thread brian_ims


T. Modes wrote:
 
 @brian_ims
 Kornel is on the right way. Maybe autooptimiser is still running.
 Check taskmanager and kill autooptimiser.exe or reboot your system.
 
 

Hi Thomas

Got it in one - built ok last night now rebuilding with latest update

Cheers
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[hugin-ptx] Re: Hugin saving blank EXR files

2011-09-13 Thread realkiran
I'm having the same problem. I tried the 2011.0 32bit windows version
with no success. HDR output is always blank. If I export to ldr it
seems to work just fine. Has anyone successfully output hdr (.tif
or .exr) panoramas from .hdr input files? Should I use another input
format?

-Kiran

On Jul 31, 12:13 pm, Mitch mitchgate...@gmail.com wrote:
 I just downloaded 2011.2 beta rc2 64bit and have the exact same
 problem.  Then I tried 2011.0 32bit version and the EXR output works!
 Has anyone else been able to output hdr EXRs from any of the 2011
 64bit Windows builds?

 That said, there are a couple of issues with the resulting EXRs they
 way Hugin output/merged them.  First of all, the alpha is inverted.
 This causes all kinds of havoc with how Photoshop opens EXRs (forces
 black alpha pixels as transparent).  Ideally I would like to force the
 alpha of the EXR output to be SOLID WHITE or simply save NO alpha
 channel at all.

 Secondly, the merged hdr EXR is way over exposed by default.   Is
 there some way to control the merged Eevby an offset or something?

 Thanks,
 Mitch

 On Jul 30, 11:45 am, Mitch mitchgate...@gmail.com wrote:



  I'm using Hugin 2011.0.0.0f9fdaf56720 64bit for Windows and running
  into an issue with bad EXR output.  I'm outputting true HDR panos (no
  fusion) using built-in hdr_merge during stitch process, but the
  resulting image file is only about 720kb for a 8604x4302 image.  If I
  open it in Photoshop, the resolution is correct but there is no image
  data (blank) in either rgb or alpha channels.  The ldr jpeg from same
  stitch looks fine and is around 40mb.  None of the other checkboxes
  are on to save intermediate remapped images, etc. (only exposure
  corrected, low dynamic range and High dynamic range).

  If choose TIFF as my output format for the HDR image I get the same
  problem (small file size, all black pixels).  My project uses 35
  source jpegs - 5 stacks of 7 exposures each.  Any ideas what's going
  wrong here?

  Thanks,
  Mitch

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[hugin-ptx] Re: Vertical line detector

2011-09-13 Thread kfj
On 11 Sep., 19:41, T. Modes thomas.mo...@gmx.de wrote:
 Hi group,

 the default branch contains now a vertical line detector. It tries to
 generate vertical control points for levelling of the pano.

I have another slight issue with linefind. When I use it from hugin,
sometimes I want it to look only at a single image. If I activate just
one image in the images tab and run any CPG, the CPG is fed all images
instead of just the single one. With most CPGs it is of course futile
to only look at a single image, because, after all, one wants CPS
between several images - the only reason to apply a CPG to a single
image would be for side-effects, like to generate a key file. With
vertical line CPs, it's perfectly sensible to just process one image
from the set, though. So my issue is with hugins's interaction with
this specific CPG rather than with the CPG itself. I wonder if this
wouldn't be easy to fix for someone who's inside the code?

Kay

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[hugin-ptx] Re: Vertical line detector

2011-09-13 Thread T. Modes
Hi Kay,

 So my issue is with hugins's interaction with
 this specific CPG rather than with the CPG itself. I wonder if this
 wouldn't be easy to fix for someone who's inside the code?

added special handling for linefind to work with single image.
(It's more like a hack, it works only for cpg which have linefind in
the program name)

Thomas

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[hugin-ptx] Re: Vertical line detector

2011-09-13 Thread kfj


On 13 Sep., 19:43, T. Modes thomas.mo...@gmx.de wrote:
 Hi Kay,

  So my issue is with hugins's interaction with
  this specific CPG rather than with the CPG itself. I wonder if this
  wouldn't be easy to fix for someone who's inside the code?

 added special handling for linefind to work with single image.
 (It's more like a hack, it works only for cpg which have linefind in
 the program name)

I suppose new CPGs needing this special treatment won't suddenly turn
up out of the blue in large numbers, so a hack should be perfectly
adequate ;)

It works here. Thanks!

Kay

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Re: [hugin-ptx] Re: Vertical line detector

2011-09-13 Thread Harry van der Wolf
Hi Thomas,

Just built the 5551. Did 2 panos and linefind works fine on OSX as well.
Will do some more tests.

Harry

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[hugin-ptx] Re: New primary seam generator in Enblend

2011-09-13 Thread kfj
On 1 Sep., 13:17, Rosomack leszczynski.miko...@gmail.com wrote:

 Hello all,

 I'm happy to announce a new primary seam generator that was recently
 integrated into the Enblend mainline. It was developed as part of the
 Google Summer of Code 2011 program.

I'm just doing a handheld panorama taken from the top of a reservoir
dam. The banister gave me grief as there were visible blending
artifacts. So I remembered having read of the new algorithm here and
got the latest code from the repo and built it, resulting in enblend
4.1-101796703d73.

When stitching my pano, first thing I noticed was that it was really
slow. When I looked at the output, there was a gaping black hole,
where enblend had simply forgotten one image. I couldn't quite believe
it and reran the stitch to the same effect. When I switched back to
the old algorithm using --primary-seam-generator=nearest-feature-
transform, it was still slow but at least it included all images. Am I
missing something - like, does the new algorithm need the images in a
particular sequence? Does anyone else have this problem?

In the parts where the new algorithm did place seams (so, between the
images it used rather than ignored, it's a 6+1+2), the seam placement
was a great deal better than that of the old algorithm. This makes me
want to have the new one working very much, never mind it's slow! If
needed, I can try and reduce the problem to a simple test case,
compress the images and file a bug report.

Kay

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