Re: [hugin-ptx] Re: caught exception: std::bad_alloc with builtin blender

[Gnome Nomad]

Excellent! :)

On Fri, Dec 23, 2016, 04:09 Caetano Veyssières  wrote:

> Just moved from Linux mint to OpenSuse with 30 GB of Swap partition and
> the 1.8 Gigapixel image got done ! (the .tif file is 3.3 GB). The cool
> thing is Hugin was already installed. Seems like OpenSuse KDE has it by
> default. Maybe this means it's the best distro for this program. I'm
> currently hesitating between OpenSuse and Manjaro and just added a new
> topic to know which Linux distro is the most adapted here
> .
>
> --
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Re: [hugin-ptx] Which distros have Hugin preinstalled ?

[Gnome Nomad]

I think most of the Hugin development work seems to be done on Ubuntu. At
least the PPAs seem to get updated more frequently than Debian Testing (my
version) or Experimental do.

On Fri, Dec 23, 2016, 08:15 Gnome Nomad  wrote:

> I run Debian. Doesn't install Hugin by default, but installing it is easy.
>
> On Fri, Dec 23, 2016, 04:06 Caetano Veyssières 
> wrote:
>
> I just installed OpenSuse Leap 42.2 KDE and it has Hugin installed by
> default. I don't find Hugin in KDE's list of applications, nor do I find it
> in the OpenSUSE 42.2 Features list  (I
> didn't find an extensive list of all preinstalled applications).
> I'm not yet sure I'll stick with OpenSUSE (Manjaro seems quite powerful
> and polished too), but knowing which distros have Hugin preinstalled (or
> which are more adapted for this program) would help me make a decision.
>
> Thanks in advance.
>
> --
> A list of frequently asked questions is available at:
> http://wiki.panotools.org/Hugin_FAQ
> ---
> You received this message because you are subscribed to the Google Groups
> "hugin and other free panoramic software" group.
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> 
> .
> For more options, visit https://groups.google.com/d/optout.
>
>

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Re: [hugin-ptx] Which distros have Hugin preinstalled ?

[Gnome Nomad]

I run Debian. Doesn't install Hugin by default, but installing it is easy.

On Fri, Dec 23, 2016, 04:06 Caetano Veyssières  wrote:

> I just installed OpenSuse Leap 42.2 KDE and it has Hugin installed by
> default. I don't find Hugin in KDE's list of applications, nor do I find it
> in the OpenSUSE 42.2 Features list  (I
> didn't find an extensive list of all preinstalled applications).
> I'm not yet sure I'll stick with OpenSUSE (Manjaro seems quite powerful
> and polished too), but knowing which distros have Hugin preinstalled (or
> which are more adapted for this program) would help me make a decision.
>
> Thanks in advance.
>
> --
> A list of frequently asked questions is available at:
> http://wiki.panotools.org/Hugin_FAQ
> ---
> You received this message because you are subscribed to the Google Groups
> "hugin and other free panoramic software" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to hugin-ptx+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/hugin-ptx/0dfd6742-a020-4a58-8b74-816747fc4f5b%40googlegroups.com
> 
> .
> For more options, visit https://groups.google.com/d/optout.
>

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Re: [hugin-ptx] Re: caught exception: std::bad_alloc with builtin blender

[Caetano Veyssières]

Just moved from Linux mint to OpenSuse with 30 GB of Swap partition and the 
1.8 Gigapixel image got done ! (the .tif file is 3.3 GB). The cool thing is 
Hugin was already installed. Seems like OpenSuse KDE has it by default. 
Maybe this means it's the best distro for this program. I'm currently 
hesitating between OpenSuse and Manjaro and just added a new topic to know 
which Linux distro is the most adapted here 
.

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[hugin-ptx] Which distros have Hugin preinstalled ?

[Caetano Veyssières]

I just installed OpenSuse Leap 42.2 KDE and it has Hugin installed by 
default. I don't find Hugin in KDE's list of applications, nor do I find it 
in the OpenSUSE 42.2 Features list  (I 
didn't find an extensive list of all preinstalled applications).
I'm not yet sure I'll stick with OpenSUSE (Manjaro seems quite powerful and 
polished too), but knowing which distros have Hugin preinstalled (or which 
are more adapted for this program) would help me make a decision.

Thanks in advance.

-- 
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http://wiki.panotools.org/Hugin_FAQ
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Re: [hugin-ptx] Re: caught exception: std::bad_alloc with builtin blender

[Caetano Veyssières]

Just moved from Linux mint to OpenSuse (which has Hugin built in !) with 30 
GB of Swap partition and the 1.8 Gigapixel image got done ! (the .tif file 
is 3.3 GB)
And Gimp can load that ! That will be enough pixels to work with for me.

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Re: [hugin-ptx] Why is part of the stitched image black?

[Peter Cooper]

>
>
> Looking more generally at the resulting stitched map, I think 
> you need to change your shooting slightly. 
>

The aperture is wide open, resulting in distinct softness at the edges 
> of the images; experiment with small apertures to see where the 
> sweet spot for sharpness is. Since you're using a tripod 
> and timer-release, long exposure times aren't a problem. 
>
> Thanks for the advice.  I am no photographer so I just used the point and 
click automatic feature.  You are right to suggest that I need to get more 
technical in order to get better quality images. I will experiment.
 

> And the images are quite under exposed; the whites are showing as 
> 56% in Gimp! 
>
> I am not sure what this means, and what I should do about it?
 

> I'm guessing you shot on a table, near a window; the folds and creases 
> in the map have been made quite visible by a *very* low raking light; try 
> (somehow) to arrange diffuse and/or multiple light sources for your next 
> shoot. 
>

Nearly right! I was shooting in a conservatory on the floor but although 
the light was diffuse  the sun is very low here at this time of year. I 
shall bear that in mind.

>
>   BugBear 
>
Thanks again. 

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Re: [hugin-ptx] Why is part of the stitched image black?

[bugbear]

Peter Cooper wrote:

The input files, and output, project and log files are all my DropBox folde 
r. 
When I preview the project within Hugin I cannot see any black area, but in the tiff 
the lower right section is black. This area corresponds in part to image 4. (This is 
a project to stitch together photos of parts of a map, so I have given each image its 
own lens.)

Any idea why part of the stitched image is black?


I've downloaded and reworked the project (no major changes).

Looking more generally at the resulting stitched map, I think
you need to change your shooting slightly.

The aperture is wide open, resulting in distinct softness at the edges
of the images; experiment with small apertures to see where the
sweet spot for sharpness is. Since you're using a tripod
and timer-release, long exposure times aren't a problem.

And the images are quite under exposed; the whites are showing as
56% in Gimp!

I'm guessing you shot on a table, near a window; the folds and creases
in the map have been made quite visible by a *very* low raking light; try
(somehow) to arrange diffuse and/or multiple light sources for your next shoot.

 BugBear

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Re: [hugin-ptx] Re: caught exception: std::bad_alloc with builtin blender

[David W. Jones]

On 12/21/2016 08:23 AM, Caetano Veyssières wrote:

I tried with a 1.8 Gigapixel output image and this time the builtin
blender didn't fail right at the start but failed after some time.
Seems there's also a swap issue (I hope so, otherwise I'd have no idea
what to do).


I guess you just increase the size of your swap file and try again?

--
David W. Jones
gnomeno...@gmail.com
wandering the landscape of god
http://dancingtreefrog.com

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Re: [hugin-ptx] Re: caught exception: std::bad_alloc with builtin blender

[David W. Jones]

On 12/21/2016 03:14 AM, cspiel wrote:

David,

Thanks for the extensive explanation of core memory vs. swap
partition vs. swap file.

On Wednesday, 21 December 2016 08:44:56 UTC+1, GnomeNomad wrote:
--- snip ---

But I don't know, enblend is doing powerful stuff under the
hood, so maybe there are other reasons for the 2GB image size limit.

It is the other way around.  ;)  Enblend and Enfuse use `int' weaklings
instead of `std::ptrdiff' in way too many corners of the code to index
into an
image .  Thus we even have the 2^(32 - 1) pixel limit on 64-bit boxes.  Also
see

http://enblend.sourceforge.net/enblend.doc/enblend_4.2.xhtml/enblend.html#sec%3Aknown-limitations


Cheers,
Chris


Ah, yes, I think you posted that earlier. Can't that be changed fairly 
simply? But maybe that would run into similar problems in 3rd party 
libraries, too.


--
David W. Jones
gnomeno...@gmail.com
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http://dancingtreefrog.com

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