Re: [hugin-ptx] How to force CP detection order?

2011-10-25 Thread Bart van Andel
On Saturday, October 22, 2011 1:13:47 AM UTC+2, Bruno Postle wrote:
>
> On Fri 21-Oct-2011 at 11:43 -0700, McFly wrote:
> >Hi,
> >I bumped into a problem trying to stitch a panorama with hfov >360° (in 
> fact
> >about 4x360° :) )
> >Starting with the next photo after 360°, hugin detects the same objects as
> >in the first photo, so the resulting panorama will be 360° with 4 
> "layers".
> >This is normal but I'd like the panorama to continue beyond 360° (to show
> >evolution of the objects and scenery in time -if you were wondering why)
>
> A panoramic scene isn't a simple flat strip that you can stretch out 
> beyond 360°.
>
> I suggest you treat this as four 'layers', stitch them separately, 
> and stick them together in an image editor later.  You can do this 
> with a single Hugin project by turning the photos on and off 
> individually in the preview before stitching.
>
... Or you can keep them in one project (such that similar features get a 
perfect overlay), and stitch this project file several times, with different 
images enabled/disabled. You can do so in the Fast Preview window. I suggest 
you keep an overlap between each of the 360 degree panos, e.g.:

- select (enable) the images you'd like to show up on the leftmost part, and 
stitch;
- enable the next set of images, but keep a small overlap with the previous 
ones (e.g., you only move 270 degrees);
- iterate until at the end.
- merge the files using either an image editor, or using command line tools.

For Smartblend the last step would be something like this: 
  smartblend -o final.tiff pano1.tiff -x {offset for pano2} pano2.tiff -x 
{offset for pano3} pano3.tiff ...

Make sure to post your result here! :)

--
Bart

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Re: [hugin-ptx] How to force CP detection order?

2011-10-21 Thread Bruno Postle

On Fri 21-Oct-2011 at 11:43 -0700, McFly wrote:

Hi,
I bumped into a problem trying to stitch a panorama with hfov >360° (in fact
about 4x360° :) )
Starting with the next photo after 360°, hugin detects the same objects as
in the first photo, so the resulting panorama will be 360° with 4 "layers".
This is normal but I'd like the panorama to continue beyond 360° (to show
evolution of the objects and scenery in time -if you were wondering why)


A panoramic scene isn't a simple flat strip that you can stretch out 
beyond 360°.


I suggest you treat this as four 'layers', stitch them separately, 
and stick them together in an image editor later.  You can do this 
with a single Hugin project by turning the photos on and off 
individually in the preview before stitching.


--
Bruno

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[hugin-ptx] How to force CP detection order?

2011-10-21 Thread McFly
Hi,
I bumped into a problem trying to stitch a panorama with hfov >360° (in fact 
about 4x360° :) )
Starting with the next photo after 360°, hugin detects the same objects as 
in the first photo, so the resulting panorama will be 360° with 4 "layers". 
This is normal but I'd like the panorama to continue beyond 360° (to show 
evolution of the objects and scenery in time -if you were wondering why) and 
for this to happen, I'd need to force the CP detector to always look for CPs 
between photo n and n+1. This way the photos would be chained side by side, 
no matter what's their content...
Is this possible? Has anyone managed to make a wider panorama?
I also tried to stitch 4 360° panoramas, then open a new project and stitch 
the results into a 4x wide panorama, but the result was the same, the 
objects were recognized and the 4 panoramas placed one over the other, not 
side-by-side.

Regards,
MF 

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