Re: [hugin-ptx] optimizer tab

[Sean Greenslade]

On Tue, Sep 27, 2016 at 06:32:11PM -0700, Michael Havens wrote:
> Thanks for showing me how to get to it. Now I need to know how to figure 
> out the yaw, pitch, and roll. I mean I have some images loaded but... I 
> think i figured it out. How does it rotate yaw though? I understand roll 
> and pitch I think. Help me understand.

Yaw is simply the "twist" of the camera. Holding the camera in normal
landscape mode is yaw=0, and when you hold the camera in portrait mode,
your yaw=90. Makes sense?

--Sean

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Re: [hugin-ptx] more photos?

[Sean Greenslade]

On Tue, Sep 27, 2016 at 04:25:32PM -0700, Michael Havens wrote:
> I did a pano of a room (not 360). I did the room in 3 or 4 shots. In the 
> resulting pano 
> (https://drive.google.com/open?id=0B2xvsVTZy4y1R2ZSQUdmaFZsTGc) you could 
> see the seams. If I were to do the pano with more photos than 4 would that 
> negate the seam or at least make them less noticeable?

I usually maintain 40% overlap between shots. This allows lots of room
both for control points and for enblend to work its magic. But
typically seams become visible either due to parallax, or insufficient
optimization / incorrect control points. Make sure your mean control
point distance is below one pixel, and if it's not, take a look at the
control points that are the farthest off.

--Sean

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Re: [hugin-ptx] more photos?

[Michael Havens]

I just did this pano again (I didn't know I had a photo that only
encompases the middle) and the result was pretty. Anyways, I went to put it
on google drive and it is complaining about too many pixels. I think it is
because I tried to put another picture into it but I don't know. What
should I do to put it onto google drive (or another hoster)?

On Tue, Sep 27, 2016 at 7:25 PM, Michael Havens 
wrote:

> I did a pano of a room (not 360). I did the room in 3 or 4 shots. In the
> resulting pano (https://drive.google.com/open?id=
> 0B2xvsVTZy4y1R2ZSQUdmaFZsTGc) you could see the seams. If I were to do
> the pano with more photos than 4 would that negate the seam or at least
> make them less noticeable?
>
> --
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> http://wiki.panotools.org/Hugin_FAQ
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>

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[hugin-ptx] optimizer tab

[Michael Havens]

Thanks for showing me how to get to it. Now I need to know how to figure 
out the yaw, pitch, and roll. I mean I have some images loaded but... I 
think i figured it out. How does it rotate yaw though? I understand roll 
and pitch I think. Help me understand.

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[hugin-ptx] more photos?

[Michael Havens]

I did a pano of a room (not 360). I did the room in 3 or 4 shots. In the 
resulting pano 
(https://drive.google.com/open?id=0B2xvsVTZy4y1R2ZSQUdmaFZsTGc) you could 
see the seams. If I were to do the pano with more photos than 4 would that 
negate the seam or at least make them less noticeable?

-- 
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Re: [hugin-ptx] Mirror?

[Carl von Einem]

bugbear wrote on 27.09.16 11:22:

Bruno Postle wrote:



On 27 September 2016 08:57:55 BST, paul womack wrote:

I wish to align some 2D images, some taken from the rear
of an item, some from the front.

"Clearly" one set of image will need to be mirror reversed.

Does hugin's model support this?


Had to think about this, but I'm pretty sure that it isn't possible.
The mosaic mode could support it by rotating images more than 90°, but
this data is discarded (haven't actually tested so may be wrong).


Followup - does anyone know of any Linux software that will
mirror flip a photo whilst retaining all meta-data (notably EXIF)?


How about ImageMagick?
https://www.imagemagick.org/Usage/warping/
-> -flop

Carl

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Re: [hugin-ptx] Mirror?

[bugbear]

bugbear wrote:

Bruno Postle wrote:



On 27 September 2016 08:57:55 BST, paul womack wrote:

I wish to align some 2D images, some taken from the rear
of an item, some from the front.

"Clearly" one set of image will need to be mirror reversed.

Does hugin's model support this?


Had to think about this, but I'm pretty sure that it isn't possible. The mosaic 
mode could support it by rotating images more than 90°, but this data is 
discarded (haven't actually tested so may be wrong).


Followup - does anyone know of any Linux software that will
mirror flip a photo whilst retaining all meta-data (notably EXIF)?


jpegtran -flip horizontal -copy all image.jpg > flipped_image.jpg

works (confirms by diffing the output of exiftool)

  BugBear

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Re: [hugin-ptx] Mirror?

[bugbear]

Bruno Postle wrote:



On 27 September 2016 08:57:55 BST, paul womack wrote:

I wish to align some 2D images, some taken from the rear
of an item, some from the front.

"Clearly" one set of image will need to be mirror reversed.

Does hugin's model support this?


Had to think about this, but I'm pretty sure that it isn't possible. The mosaic 
mode could support it by rotating images more than 90°, but this data is 
discarded (haven't actually tested so may be wrong).


Followup - does anyone know of any Linux software that will
mirror flip a photo whilst retaining all meta-data (notably EXIF)?

 BugBear

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Re: [hugin-ptx] Mirror?

[Bruno Postle]

On 27 September 2016 08:57:55 BST, paul womack wrote:
>I wish to align some 2D images, some taken from the rear
>of an item, some from the front.
>
>"Clearly" one set of image will need to be mirror reversed.
>
>Does hugin's model support this?

Had to think about this, but I'm pretty sure that it isn't possible. The mosaic 
mode could support it by rotating images more than 90°, but this data is 
discarded (haven't actually tested so may be wrong).

-- 
Bruno

-- 
Bruno

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[hugin-ptx] Mirror?

[paul womack]

I wish to align some 2D images, some taken from the rear
of an item, some from the front.

"Clearly" one set of image will need to be mirror reversed.

Does hugin's model support this?

I *think* the answer's no, and I will have to mirror externally,
but I'd rather not.

  BugBear

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