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Old Jan 31, 2005, 8:28 PM   #11
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Sivaram Velauthapillai wrote:
Quote:
It's not necessarily the inability of the software to handle the seams but more the fact that the pic
space is wasted. For instance, if you don't line things up properly, then when you crop the fully merged
pics, you'll waste pixels (i.e. parts of the pic above and below (if you are stitching horizontally) will
have to be trimmed).
Very true, but I wouldn't have taken this shot of clearing for our house if I had to step out into the rain. It does illustrate the problem you mention.


Quote:
In essence, the problem I find is that the cameras and the freely supplied software (at least with the Canon S1 IS)
can't handle "infinite" width by "infinite" height. If they did, then I think lining up won't matter too
much. I would love to have the ability to take one row of horizontal pics, then another row, and then another,
and so on (or grow the pic from the center all the way around in a spiral)...
Not sure what you mean by stitching in a spiral, but stitching a 360x180 degree pano is one of the
things Panorama Tools will do. I have only tried a couple of them, and won't ever try another
without a lens of 14mm(equiv) or less - and I don't have one of them.
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Old Feb 1, 2005, 8:40 AM   #12
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yep... your picture clearly illustrates the wasted space when pics are not lined up properly. Mind you, even with in-camera stitching help, it is hard to line up things but it helps quite a bit.

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Old Feb 1, 2005, 5:49 PM   #13
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After spending the day in the rain with a chain saw, tossing brush, and piling firewood, I doubt that I would have
done very much better with some kind of in-camera alignment help. The biggest problem was not having a wide
enough lens, and no matter how wide it is, there will always be situations where wider is better.

Also, keep in mind that I was shooting for documenation in the form of web images. So there really isn't a
"problem" with that image. The problem only becomes serious when the aim is to print on
rectangular paper.
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Old Feb 1, 2005, 6:55 PM   #14
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I take a lot of panorama shots. Mostly two or three quick shots with the
camera held vertically to compensate for most of my cameras not having
wide angle capability.

I find the panorama mode handy for quickly fixing the exposure and usually
use it. I have it on my quick access menu. But I don't use the stitch assist
indications in the LCD. Most optical viewfinders are in the 80-85%
coverage range, and if you just line up the edges you will have enough to
stitch with most software. You can hold the camera level better IMO with
the optical finder and don't need a tripod for most single plane panoramas.

The stitch assist would be handy in a camera with an EVF as you should
have a little overlap. Unfortunately neither of my EVF cameras have a stitch
assist and I seem to do fine just guessing at overlap – I like to use as little as
possible. It is also more of a nuisance to use manual exposure when in a
hurry, but it works fine.

I had a Pentax S4 for a while and it had a useless panorama mode. It didn't
fix the exposure with the first shot and it doesn't have manual exposure.
That means you have to use stitching software that evens out the exposures.
Stitching takes a long time and requires much more overlap if the software
has to even out exposures. The S series Pentax cameras are a poor choice
for panoramas.

The W1 will do fine in manual exposure. And the optical finder with 82%
coverage will work fine when you line the edges up. That is more overlap
than I usually like to use, but it is probably about what the Canon stitch
assist will give you.

I happen to still have this online from a discussion last year. I just walked
out behind my house and snapped the shots using my optical finder to line
up 3 horizontal shots for a discussion we were having. I didn't use a tripod
and it hasn't been cropped. I don't think you need either a tripod or stitch
assist:



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Old Feb 12, 2005, 2:50 AM   #15
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I found I had problems keeping the camera exactly square to the previous picture so some things don't quite align right. I will have to play more.

Love those pics though.


You shouldn't need the stitch assist, just take lots of pics covering the area.
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Old Feb 12, 2005, 3:03 PM   #16
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pagerboy wrote:
Quote:
I found I had problems keeping the camera exactly square to the previous picture so some things don't
quite align right. ...
If you are talking about problems with the stitching because of missalignment, that is a software issue. Simple
(easy to use) software have more problems when things aren't done exactly the way they want them, e.g., a well
defined amount of overlap. As Slipe illustrated, it isn't hard to get the vertical alignment - in particular when there is a good horizontal feature.
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Old Mar 28, 2005, 12:00 PM   #17
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The pictures aligned ok, just a few problems with wires and posts.
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