Leona Barratt | 23 Jul 01:53 2016
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gear 360 plays on computer but not on mobile

Could someone tell me why my video plays interactively in a nice window on my computer but stretches the video out the the full length of the 360 width and plays distorted and non-interactively on mobile devices?
https://www.youtube.com/watch?v=IiUWVM7T_MA
Thanks SO much for the help with this newbie.
Leona

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Stefan Hoffmeister | 22 Jul 20:45 2016
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2016.2 RC1 - error on TIFF control point generation: "caught exception: std::bad_alloc"

Hi,

TIFF files produced by the latest version Capture One 8.3 cannot be processed in Hugin, the panorama editor (http://hugin.sourceforge.net/) - in this case this is with 2016.2 RC1.

Every TIFF produced by Capture One yields the following messages in Hugin

Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype '

and following that

An error happened while loading image : caught exception: std::bad_alloc

upon trying to find control points in Hugin (Hugin's CPFind).

Steps:
- take any two raws
- produce 16 bit TIFF from it
- import both TIFFs into Hugin
- find control points
//exp: yields results
//act: hugin fails to find control points

I have uploaded one sample TIFF file (90 MB) at  https://drive.google.com/file/d/0ByH5SmhVPMAQTG93TEkybmxrdkk/view?usp=sharing

I cannot tell anything about the root cause of this - it might be Capture One writing bad data, or Hugin reading too restrictive / bad?

Advice on how to proceed is greatly appreciated :)

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Chris Blunt | 22 Jul 16:44 2016
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2016.2.0 RC.1 Windows x64 Problem with large HDR output above 5000x2500 pixels

Hi folks, 

I've been really interested in panoramas for some time now and recently invested in some kit to get going on this.  When it comes to stitching I have been trying to get to grips with Hugin and after some perseverance I have made some good results.  

I do however have some issues and could really use some expert guidance.  To get a nice exposure I have shot my images bracketed -1, 0, +1, load those into Hugin which seems be OK at detecting the stacks, the panorama all looks good and I can stitch to an HDR output without any problems to a size of approximately 5000 x 2500 once I start heading up above there towards the native resolution of the images 18000 x 9000 my resulting image is missing a section.  If I just export to LDR JPG it will stitch full size but of course I loose the dynamic range.

I originally tried the Stable 32 bit version and it would suffer running out of memory, I then moved to this version: 2016.2.0.48cb11a23351 built by Thomas and now have 16 gig of RAM on an i5.

I don't want to give up on Hugin and my budget is cooked on the hardware.

Your guidance and support would be much appreciated.

Best regards

Chris





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Bernd D | 20 Jul 10:51 2016
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Developing a batch file for mosaic stitching with the highest possible quality

Hello,

I would like to use panotools to stitch a photo-mosaic in batch mode. The information that I use is from here:

(and so on)

First I create a batch file that automated the process for a 5x5 mosaic:

<at> ECHO OFF
<at> SET IMAGES=T??.tif
<at> SET PREFIX=Test
<at> SET HUGIN=c:\Program Files (x86)\Hugin\bin
<at> "%HUGIN%\pto_gen.exe" --projection=0 --fov=5 -o project.pto %IMAGES%
<at> "%HUGIN%\pto_lensstack.exe" -o project1.pto --new-lens i1,i2,i3,i4,i5,i6,i7,i8,i9,i10,i11,i12,i13,i14,i15,i16,i17,i18,i19,i20,i21,i22,i23,i24 project.pto
<at> "%HUGIN%\cpfind.exe" --multirow --fullscale -o project2.pto project1.pto
<at> "%HUGIN%\cpclean.exe" -o project3.pto project2.pto
<at> "%HUGIN%\pto_var.exe" -o setoptim.pto --opt TrX,TrY project3.pto
<at> "%HUGIN%\autooptimiser.exe" -n -o autoptim.pto setoptim.pto
<at> "%HUGIN%\pano_modify.exe" --projection=0 --fov=AUTO --canvas=AUTO --crop=AUTO -o autoptim2.pto autoptim.pto
<at> "%HUGIN%\hugin_executor.exe" --stitching --prefix=%Prefix% autoptim2.pto
 

Then I have written a simple tool that makes test images:

  • generates a 4000x4000 image with random pixels
  • draw cross marker every 20 pixel
  • draw  a one pixel wide frame
  • Save the resulting image
  • Cut 5x5 tiles, with 1000x1000 Pixel (250 pixel overlapped) and save this to image T00.tif..T24.tif.

The random pixels cause that each pixel is a very good comparison candidate for finding Control Points. The marker and the frame facilitate the interpretation of the stitching result.

I expected that panotools can stitch these tiles together only with errors in sub pixel dimension. But the error is significantly larger. After much trial and error I found a solution for this particular case. Based on the test images, I found out that pano_modify.exe caused the error. This program calculates the p line in autoptim2.pto:

p f0 w6857 h6857 v129  E0 R0 S2928,6857,2928,6857 n"TIFF_m c:LZW r:CROP"

I can correct this manually:

  • Open autoptim2.pto in hugin

  • On Sticher Tab, Change Field of View, Horizontal and Vertical  from 129 to 130.

  • Press the “Calculate optimal size” Button.

  • Press the “Fit crop to images” Button

The result is:

p f0 w7014 h7014 v130  E0 R0 S3007,7007,3007,7007 n"TIFF_m c:LZW r:CROP"

 With these settings, hugin produces a sub pixel accurate image. Of course, that is not really a useful solution for me, because my batch file must provide a correct output image for any set of input images.

Now my questions:

  1. How can I automatically calculate the correct Field of View? Or even better: Is there a way, to bypass the unnecessary Field of View parameter, so that the intermediate images are not scaled.?

  2. How can I avoid that w and h are unnecessarily large? Better as

     p f0 w7014 h7014 v130  E0 R0 S3007,7007,3007,7007 n"TIFF_m c:LZW r:CROP"
    would be
    p f0 w4000 h4000 v130  E0 R0 S0,0,3999,3999 n"TIFF_m c:LZW r:CROP"
    Expressed differently: How can I shift the projection to a minimum canvas? Or is the canvas size only a virtual size which is not physically created?
  3. Why does the command line parameter " --dry-run "for hugin_executor not work? See  http://wiki.panotools.org/Hugin_executor. Are the individual commands documented somewhere else?

If someone wants to try the test, here is my test image generator tool:

http://www.file-upload.net/download-11778244/I2T.zip.html

Viruscheck: https://www.virustotal.com/

SHA256: ca729b9ba382d63a831a416fed2389647433476f1424b7616591a8abc2297e1d
File name: I2T.exe
  

To create the test images: Press „Random“ Button, Press „Draw Marker“ Button, Enter the target directory in the box to the left of the "Save" button. Press the „Save“ Button.

Thanks in advance

Bernd Derer

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Greg 'groggy' Lehey | 17 Jul 06:28 2016
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Problems with Hugin 2016.2 rc 1.

I've just built rc1 on FreeBSD, and I've run into some issues testing
it.  When I start, I get these messages on the xterm:

  (hugin:99873): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 0
and height -28
  (hugin:99873): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -5
and height 18
  (hugin:99873): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'height >= -1' failed
  (hugin:99873): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'height >= -1' failed
  (hugin:99873): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'height >= -1' failed
  (hugin:99873): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 146
and height -28
  (hugin:99873): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 370
and height -28
  (hugin:99873): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'height >= -1' failed
  (hugin:99873): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width 370
and height -28
  (hugin:99873): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'height >= -1' failed

It's possible that this is behind a number of issues I have had,
mainly with the fast panorama preview.  If anybody recognizes these
messages and can point me to the solution, I'd be grateful.  Otherwise
does anybody have a Microsoft package ("Windows" 7) that I can use to
test the same images?

Thanks in advance
Greg
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Robert Giordano | 10 Jul 11:22 2016
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Can Hugin change the projection of a video?

I want to change the projection of all frames in a video from Fisheye to Equirectangular Panini. I'm not trying to stitch any images. I'm not doing a 360 video. I'm just trying to do a lens correction. I've exported a single frame from my video and Hugin changes the image perfectly. Is it possible to use Hugin to change all of the frames in the video?

thanks,

Robert




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Donald Johnston | 10 Jul 00:15 2016
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Scaling a PTO file ..

is there a script or program available that can scale the parameters in a PTO file?

I’m thinking of the idea of using a lot of JPG images at 1600 pixels long side to set all CPs, masks, etc so it
is quick for Hugin to process and create output images. I can then iterate through different
settings/changes and quickly see what the output stitched image will look like.

Then, when all looks well, I’ll recreate JPG (or TIFF) images from my raw images at original resolution
(say 7360 pixels long side). It would be nice to then run a script on the PTO file that would scale all i, c, k,
etc. lines and output a new PTO file that would work with the higher resolution images.

For example:

	pto_scale —scale=7360/1600 —output=upscaled.pto trial.pto

Has anyone done this?

Don ...

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T. Modes | 9 Jul 11:04 2016
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Hugin 2016.2 RC 1 released

Hi all,

today we are releasing the Hugin 2016.2 rc 1.

Source tarball can be downloaded
at sourceforge: https://sourceforge.net/projects/hugin/files/hugin/hugin-2016.2/hugin-2016.2.0-rc1.tar.bz2/download
or at launchpad: https://launchpad.net/hugin/2016.2/2016.2rc1/+download/hugin-2016.2.0-rc1.tar.bz2

Verify its checksums:
md5: f77ce8a1dc0a337b99eca8fb8841e00d  hugin-2016.2.0-rc1.tar.bz2
sha1: db9af9c228f83828d4c82b927140dcf3d9f4d5c7  hugin-2016.2.0-rc1.tar.bz2

This is a source code release.
Users communities produce executables for their respective platforms. Please announce them here.

(The rc 1 correspond to changeset 48cb11a23351 in our repository, which is also tagged as 2016.2rc1).

Changes since beta 1
* More fixes for Mac OS build
* Updated translations
* More fixes for initialization of fast preview window
* Cpfind: Improved finding of cp for float/double images by applying logarithm mapping to internal images

Changes since 2016.0.0

* Allow reading of image positions from Papywizard XML files: First add the image to a new project and then select File, Import settings from Papywizard XML file... This will read the lens settings, the image positions and also, if applicable, the bracket settings. After this, the usual workflow is to run cpfind with --prealigned switch and then geocpset to connect orphanded images.
* The internal blender and verdandi got the possibility to blend seams as alternative to current hard seam: For each seam the color of second image is adapted to the match the color of the first seam. For this blender, the blender order changes according to the overlap. The blending starts with the exposure anchor and blends then all overlapping images. This blending mode is not suited if there are bigger misalignments or bigger parallax errors.
* The display of the control point error (after optimizing and in fast preview window) and the control point list window can now limited to take only control points in active images into account (menu Edit, Optimize only active images, connected with the setting on the optimizer tab).
* Improvements to mask tab in Hugin (edit crop of all images of the same lens at once) and find panorama dialog in PTBatcherGUI (remove images from found panoramas, split found panorama into two).
* Several improvements for Mac OS.
* Fixes several issues with fast preview window which could result in random crashes (uninitialized variables, memory leaks).

Upgrading from previous versions of Hugin should be seamless. If you do have problems with old settings, these can be reset in the Preferences window by clicking 'Load defaults'.


A draft of release notes can be found at http://hugin.sourceforge.net/releases/2016.2.0/en.shtml

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Partha Bagchi | 8 Jul 19:13 2016
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hugin 2014.0.0 Release Mac Install

This is probably a simple question for most of you but I didn't see any posts on it. The hugin 2.014.0.0 Mac dmg contains 4 items:
  • CalibrateLensGUI.app
  • Hugin.app
  • HuginTools
  • PTBatcherGUI.app
There are no instructions regarding where one is supposed to put these items (all in /Applications?) Will Hugin work with the tools folder?

Sorry for the naive questions.

Thanks in advance,
Partha

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Alin Bugeag | 8 Jul 15:37 2016
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Extracting Rectilinear Images from Panoramas

I was reading this article:
http://www.panotools.org/dersch/panorectilinear/panorectilinear.html

and I was wandering how I would be able to Extracting Rectilinear Images from Panoramas using command line.

any directions, would be appreciated

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Alister Ling | 5 Jul 01:48 2016
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Just a thank you, and faking a shorter exposure

I am overdue to saying THANK YOU to the community here. 

Although some things have been hard fought (it's tough getting through a thick skull), re, re, re-reading the enfuse manual, and re-reading the advice from Chris Spiel, and going back to basics with Erik Krause's enfuse droplet to vary one parameter while keeping others constant, I have got it working well for my niche use of a full Moon over a city. Despite Chris' advice of making sure to include a shorter exposure, I kept trying to adjust the exposure-cutoff to get the results I wanted. The trick is that I wanted to keep the brightest part of the Moon from overexposing, but even my shortest exposure clipped in the red, so my efforts could not work. In a moment of weakness, I let my stubborn streak die to find Chris' solution staring back at me. A shorter exposure was indeed the way to go.

I managed to figure out how to fake a shorter exposure by cutting the brightness of the shortest one, deleting the clipping red channel, cloning the green channel, modulating its brightness up a bit to simulate the redder light with a Moon low to the horizon, and pumping that into the red channel.Bingo! the-moon: how-to-fake-an-underexposure

Not only will I now make sure I include a shorter exposure in my bracket, but I can save earlier events. 

Much appreciated. I have learned a lot.
Regards,
Alister.

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Gmane