PanoTools:
Re: PTGUI multi-row spherical QTVR instructions?
desyreuk99 2005-Aug-15 17:38:27
--- In #removed#, "stevenkan" <#removed#> wrote:
> Followup:
>
> Things I have done wrong, repeatedly, in PTGui:
>
> 1) Forgot to set Panorama Settings to Equirectangular
> 2) Forgot to optimize for Field of View before I had properly
> characterized my lens.
> 3) Forgot to save _before_ running the Optimizer and accepting the
> results.
> 4) Pre-rotated my images from portrait before inserting into PTGui
> project. If your camera has any 'd' or 'e' offset, it's beter
(IME)
> to leave the source images unrotated and to let PTGui take care of
> the rotation (e.g. by setting all the Image Parameters to -90
degrees
> roll)
> 5) Forgot to set output format properly (e.g. TIFF for enblend,
with
> a filename ending in ".tif", not ".tiff")
> 6) Forgot to run APClean and/or clean up obviously "bad" control
> points. I once did a handheld pano where the same company graphics
> showed up in two places:
>
> <http://www.pulseinstruments.com/ILOPE2005/>
>
> Look for the "WJH" logo on two panels of the booth. autopano
decided
> these were a perfect match, and tried to overlap them. Needless to
> say, everything went to hell until I figured this out and removed
> these "bad" control points. That's when I decided to make the
> adjacency template.
> 7) Forgot to fill in "missing" control points for overlapping
pairs
> that didn't have any. When shooting indoors I frequently find
images
> pairs that have no matches, e.g. two adjacent shots along a blank
> wall or blank area of ceiling. This can result in an Optimizer run
> that reports only 1 pixel of error, yet has an image that is
> completely out of place. Here's where the "contrast enhancement"
> trick comes in handy.
>
> OK, gotta go do some real work now :)
Many thanks Steven.
I'll give your advice a try.
Cheers
Craig.
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