Re: Pano head

On Tue, 06 Sep 2005 00:06:43 GMT, Ken Weitzel <kweitzel@xxxxxxx>
wrote:

>> Well, OK, if you would...
>> The question, though, is this:
>> For a panorama, is it really necessary to determine how many degrees
>> to turn the pano head?
>> Isn't 1/3 to 1/2 overlap sufficiently vague and serviceable enough?
>> Is anything gained by making the extra effort?
>> Am I not getting the question over well?
>
>Hi Bill...
>
>Did the experiment; here's how.
>
>First, the Oly display draws an H shaped set of lines on the
>display in Pano mode. Shooting left to right horizontally,
>the left vertical of the H is - "waste" or overlap to the left
>of it, and usable picture to the right.
>
>So, I ointed the camera best I could at the rec room wall,
>and lined up the left side of a photo frame with the left
>vertical of the picture frame. Shot it.
>
>Downloaded it. The whole image was 1600 pixels wide.
>Cropped the picture frame and removed it, leaving only
>wall (the waste) It was then 265 pixels wide.
>Keep in mind, that's difficult to do, so not precise.
>
>In Oly's manual, which I haven't looked at in ages,
>they say (fair use claimed) "Overlap the left end of the picture
>with the right end of the previous picture (when shooting
>to the right)"
>
>Perhaps I shouldn't use the word waste. Their demo
>sequence of shots shows a single tree in the waste
>right hand space of the first shot. Then they've
>composed the next shot so that the same tree is in
>the waste left hand space of the next.
>
>In other words, the single tree isn't in either of the
>pictures (inside the H), but does appear in the final
>picture :)
>
>Hope this helps.
>
>Take care.
>
>Ken
>
That "waste" is overlap. No need to remove it, the pano software will
handle that.
Overlap is needed; it's how the software knows where to stitch and
align the different shots.
This still doesn't answer why the exact amount of overlap is
important.

--
Bill Funk
Replace "g" with "a"
funktionality.blogspot.com
.

Relevant Pages

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