PanoTools:
Re: Re: PTGui - Making Templates - d and e vary
Eric O'Brien 2005-Sep-15 19:46:09
I'm using PTMac, not PTGui, but they're very similar. My "d" and "e"
values vary from stitch. I don't think my camera/lens/sensor are
changing, just that, considering how many variables are being processed
to produce a minimum variation (the optimization), having things come
out a little bit different for each pano didn't surprise me too much.
The other lens parameters jitter around too.
eo
On Sep 15, 2005, at 8:06 AM, terak1us wrote:
> --- In #removed#, "Sacha Griffin" <#removed#>
> wrote:
>
> snip
>
>> Templates
>> Optimize lens settings and crops, and save your project.
>> You've just created a template.
>> Load new images.
>> Apply template.
>> Generate new control points.
>> Do not optimize any lens settings, only yprde.
>> Remove bogus control points, until properly done.
>>
>
> Thanks Sacha,
>
> I have saved as "template" a file where I first removed the control
> points and that seems to work.
>
> One thing is still not clear to me: The horizontal and vertical shift
> parameters (d and e) are there to correct the off center position of
> the lens and the sensor, right? So why would they change with each new
> set of control points?
>
> Carel
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