Re: hugin

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Author: Brian Cluff
Date:  
To: Main PLUG discussion list
Subject: Re: hugin
On 08/19/2016 05:51 PM, Michael wrote:
> but it has 17 control points set.

It doesn't matter how many control points you have set if you have
parallax distortion between the 2 images. I've had images with 80
control points between them and it still can't stitch them successfully
because the control points don't makes sense because of the distortion.

> You said I could rotate it in hugin? How does one do that?


In the preview, go to the MOve/Drag tab and drag the image with the
right mouse button and it will rotate.

Brian Cluff

> On Fri, Aug 19, 2016 at 4:24 PM, Brian Cluff <
> <mailto:brian@snaptek.com>> wrote:
>
>     I'd say that still fits with my answer.  If you have one image
>     that it can't align it will be sitting on the preview in it's
>     default orientation.

>
>     Brian Cluff

>
>
>     On 08/19/2016 11:31 AM, Michael wrote:
>>     I don't know if this is the problem but:
>>     All of the pictures were taken in portrait orientation. In the
>>     control point tab all of the images except one are in a landscape
>>     orientation. The one image that is in that orientation is the
>>     last image in that series and it is the image that is stretched.
>>     Does that have any bearing in this problem?

>>
>>     On Fri, Aug 19, 2016 at 11:46 AM, Brian Cluff <
>>     <mailto:brian@snaptek.com>> wrote:

>>
>>         Double check that you do indeed have control points between
>>         every single image.  It sounds like you might have a single
>>         image that isn't connected in any way, or maybe only
>>         partially connected and when it stitches it end up placed on
>>         top of all your other images.  The preview is just an OpenGL
>>         preview of what you can expect to get but it works
>>         differently than the final stitch so you can often times get
>>         different results if your control points aren't all perfect.

>>
>>         You can check your layout tab in the fast panorama preview
>>         (the GL preview button) and play with the scale.  The layout
>>         tab will quickly show you how your images are connected
>>         together and how well.  If you have any images that are just
>>         floating out there with no lines then that's your culprit. 
>>         You will also want to look for images with very thin lines
>>         going between the images.  Thin lines represent weak
>>         connections and you will need to increase the number of
>>         control points between your images.

>>
>>         There is also a high probability, since you said you hand
>>         held the camera when you took the pictures that even though
>>         you picked matching spots in the image that there is no way
>>         for the program to warp the images  correctly due to parallax
>>         distortion.  If your images are of the inside of a room,
>>         that's almost certainly the case.

>>
>>         Finding the no parallax point:

>>
>>         http://www.johnhpanos.com/epcalib.htm
>>         <http://www.johnhpanos.com/epcalib.htm>

>>
>>         You will have to get one of these and it will have to be
>>         precisely setup correctly for your camera if you are going to
>>         take pictures indoors.  There is just no other way to do it:

>>
>>         https://www.amazon.com/SUNWAYFOTO-Panoramic-Horizontal-Vertical-Sunway/dp/B00RYNDMOC/ref=sr_1_11
>>         <https://www.amazon.com/SUNWAYFOTO-Panoramic-Horizontal-Vertical-Sunway/dp/B00RYNDMOC/ref=sr_1_11>

>>
>>         https://www.amazon.com/DSLRKIT-Panoramic-Indexing-Rotator-Bracket/dp/B00PN8DY7K/ref=sr_1_14
>>         <https://www.amazon.com/DSLRKIT-Panoramic-Indexing-Rotator-Bracket/dp/B00PN8DY7K/ref=sr_1_14>

>>
>>         https://www.amazon.com/FOTOMATE-degree-Panoramic-Bracket-Cameras/dp/B00PQH4OY0/ref=sr_1_32
>>         <https://www.amazon.com/FOTOMATE-degree-Panoramic-Bracket-Cameras/dp/B00PQH4OY0/ref=sr_1_32>

>>
>>         There are a lot more out there, but these 3 are some of the
>>         most affordable ones. I've got 2 of them; one made by
>>         Manfrotto that cost a lot of money and is built like a tank
>>         and I think it might weigh as much as a tank as well.  I've
>>         also got a Nodal Ninja that I really like that weighs a lot
>>         less, which is why I got it, and does an equally good job for
>>         a fraction of the money.

>>
>>         Brian Cluff

>>
>>
>>         On 08/19/2016 06:27 AM, Michael wrote:
>>>         I'm trying to do a panorama. It found at least 17 control
>>>         points between images 0,1 and 2,3 and 3,4  (each pair had
>>>         17). I had to go in and put control points for images 1 and
>>>         2. That was fine but when I stitch it all together the
>>>         picture on the ball seems fine but the resultin panorama
>>>         image is one of the five photos of the panorama stretched
>>>         out. Any ideas how to fix this?

>>>
>>>         -- 
>>>         :-)~MIKE~(-:

>>>
>>>
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>>
>>     -- 
>>     :-)~MIKE~(-:

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