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Mailinglist:PanoTools NG
Sender:Bruno Postle bruno@...
Date/Time:2014-Dec-15 01:11:03
Subject:Re: Panotools rounding bug?

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PanoTools NG: Re: Panotools rounding bug? Bruno Postle bruno@... 2014-Dec-15 01:11:03
On 13 December 2014 11:47:45 GMT+00:00, Steinar Midtskogen wrote:

>An error of half a pixel is not much (though quite significant for me
>since I'm not using pixels but degrees), but it could perhaps
>negatively
>impact the matching algorithm.  While a workaround is to increase the
>output resolution, it would be nice to get this fixed.  Is
>https://bugs.launchpad.net/hugin/ the right place to report it?

Yes please file a bug at launchpad, it is more likely to get attention there, also it won't get forgotten. Include your test cases and patch.

>I'll have a look at the source code repository and look for suspicious
>+/- 0.5.  My guess is that that +/- 0.5 is added explicitly somewhere
>(twice, symmetrically), but it was probably added for a reason, and it
>would be great if the one who wrote this could weigh in.

I assume this function was once used solely for accessing integer pixel values, it would be interesting to find out why the change was made in Hugin and not in libpano13.


-- 
Bruno


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Posted by: Bruno Postle <#removed#>
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