[ptx] Re: Hugin stitching not working

Carl von Einem einem at gmx.de
Thu Jul 7 20:55:21 BST 2005


I guess that's better be asked to the list. I think the Commands for
Panorama Creation are strange: do we still need a -buf / +buf? I thought
this was something needed only in older versions of PTStitcher for
certain file formats (TIFF with masks?)...

when I import your values in my corresponding PTMac project file I see
that v64 (HFoV) in your p line and also the width / height values are
not what PTMac would consider. I'd also prefer a different output file
format.

I did some more optimizing and arrived at

# script file for ptStitcher created by PTMac

p w2320 h2126 f0 v95 u0 n"TIFF_m"
# line beginning with p defines the output image
# I used a different interpolator and file format
# also the size of the resulting pano is different, see?
m g1 i2 f40
# who can explain the m line? It's for enblend, isn't it?
i n"045.jpg"
o f0 y0 r-1.33247 p8.54754 v39.1991 a0.002534 b-0.010434 c-0.008989
d-8.76285 e11.0808 g-2.87594 t-0.090636
# o: output line for the stitcher
i n"046.jpg"
o f0 y23.1143 r0.400612 p10.0231 v39.1991 a0.002534 b-0.010434
c-0.008989 d-8.91023 e11.7722 g-2.87594 t-0.090636

Here are my results for the Grand Prix (European Song Contest joke)
12 points to Germany ;-)

see my attachment. Does your project stich with this script? I 
successfully stitched them but the resulting TIFFs are way too big. I'll 
send you a JPG of the resulting pano directly.

Carl

Sean Davis wrote:
> Hi Carl,
> 
> Thanks for helping me on this.  I have attached the new test.pto.  It looks 
> like I am getting ypr values similar to yours.  However, now when I look at 
> the preview I can only see one image at a time!  If I try to stitch the 
> images, I just get one image back!  what am I doing wrong?
> 
> -Sean
> 
> On Thursday 07 July 2005 12:20, Carl von Einem wrote:
> 
>>Hi Sean,
>>
>>reading those files was a hard task as a Mac user, believe me! In the
>>early days of the panotools that was the only way: learn to read and
>>write the script files for PTOptimizer and PTStitcher manually. Today it
>>sometimes helps when you can interpret them... :-)
>>
>>A good starting point for tutorials is the wiki at panotools.info
>>
>>The new .pto looks weird: nice Control Point Distances, but strange
>>results for at least y (yaw). I see you had a preset yaw of -7.39216 for
>>the second picture (No. 1) before optimization.
>>
>>Can you try to reset all your values to 0 again and than do a new
>>optimization? Choose all control points to be used for optimization, and
>>then step by step
>>- only optimize yaw of one picture
>>- new optimization for pitch and roll of both pictures
>>
>>Have another look at my values for your images, you may also cheat and
>>use those as starting points (insert those values in hugins tab for the
>>image parameters):
>>
>>image "045.jpg"
>>yaw: 0
>>roll: -1.36353
>>pitch: 8.94349
>>
>>image "046.jpg"
>>yaw 22.2485
>>roll 0.42884
>>pitch 10.4035
>>
>>Note: it's always easier for beginners to stitch a full cylindrical
>>pano, set enough control points (up to 7 per image pair are enough),
>>never forget the last image pair (last image and image0), anchor yaw of
>>one image, optimize y p r for the rest and fov. A wavy horizon can
>>easily be prevented by setting t1 control points as I described earlier.
>>BTW a wavy horizon can also be corrected in a second run.
>>
>>happy stitching,
>>Carl

-------------- next part --------------
# script file for ptStitcher created by PTMac

p w2320 h2126 f0 v95 u0 n"TIFF_m"
m g1 i2 f40 
i n"045.jpg"
o f0 y0 r-1.33247 p8.54754 v39.1991 a0.002534 b-0.010434 c-0.008989 d-8.76285 e11.0808 g-2.87594 t-0.090636 
i n"046.jpg"
o f0 y23.1143 r0.400612 p10.0231 v39.1991 a0.002534 b-0.010434 c-0.008989 d-8.91023 e11.7722 g-2.87594 t-0.090636 



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