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Old Apr 10, 2007, 3:44 PM   #1
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Took this few weeks ago... seen software which can straighten up pans but are there any free ones about??

Otherwise.. am i getting the right idea? like or dislike the pic?

p.s. going to trim the man on RHS out at some point.. just not got round to it! (so ignore him!)

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Old Apr 10, 2007, 7:21 PM   #2
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The classic free program that will do that is Panorama Tools. It is pretty much unworkable without a graphic front end and there are several available: PTGui and PTAssembler are not free, but are reasonably priced. Hugin is free - I have no idea how much more difficult/limited it is than the others (if at all).

If you are going to do much with panoramas, I strongly suggest getting PT with one of the graphic front ends.

For your specific question about straightening, see the HOW TO STRAIGHTEN HORIZONS AND CORRECT VERTICALS tutorial at http://homepage.ntlworld.com/j.houghton/tuts.htm That also expains why you have the problem and why folks who use simple stitching software take pains to have a level camera.
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Old Apr 11, 2007, 4:08 AM   #3
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Many thanks, will give it a try,

unfortunately as I´ve moved country i only have a monopod at the moment.. so such luxuries of perfectly level tripods are sorely missed!! Going to buy as soon as i get a job!

C
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Old Apr 11, 2007, 12:39 PM   #4
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Unfortunately, the link to mytutorial that that Bill gave doesn't work. There are some spurious invisible characters added at the end. Just erase the end of the link starting at the last slash and the link will then takeyou to the home page where you can select the tutorials.

The latest free Hugin will now handle t1 and t2 points so the images can be stitched and the horizon corrected. It's best to stitch from scratch to avoid unnecessary cropping, but it is possible to input the panorama image and correct that in essentially the same way, as my quick attempt in the attached image shows. I think PTGui is easier for a newbie to learn than Hugin, though. But as an easieralternative, it would be worth trying Autostitch (also free), which has an auto straightening feature.




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Old Apr 11, 2007, 3:52 PM   #5
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I can't figure out how to get rid of the junk at the end of that link so just do as panostar suggests. Like Panorama Tools, not the easiest but worth the effort.

ceecrb1: don't worry about getting more equipment, just shoot, stitch, and learn how to deal with the problems that come up.
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Old Apr 11, 2007, 7:23 PM   #6
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Keoeeit wrote:
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... As others have said, you'll just have to find a way to keep your horizons right in the middle of your view-finder. ...
That will avoid bowing, but I don't recomend it. The only advantage to keeping the camera level (pitch=0) is the ability to use very simple software. The disadvantage is that you simply cannot get some picture. It is better to take the time to figure out how to use software that can take into acount the camera pitch. It is still important to keep the pitch contstant, beit zero or any other value. If you don't do that, this is the kind of thing that happens:

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Old Apr 12, 2007, 3:49 AM   #7
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Thanks for all the help!!

At the moment i´m needing to and preferring to take "perfect" photos and not edit on my laptop for a few reasons..

mostly its old and slow and at the moment its starting to die. any time i edit a photo the machine instantly shuts down.....
its a great problem to have as it gives no hints as to why it does it!!

anywho... many thanks! autostitch and the GIMP fixed the problem a beauty!!
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Old Apr 12, 2007, 10:41 AM   #8
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If you are willing to take on Gimp, you shouldn't have much more problem with Hugin/PT. I'd guess it would be about the same strain on your PC. Perhaps a bit more of a brain strain since there aren't as many tutorials available.

I agree with Keoeeit - you don't want to try Panorama Tools by itself. Very powerful but gives real meaning to the term "user unfriendly". With one of the graphic front-ends it becomes meerly difficult. One of the automagical stitching programs is also a good idea for the simple jobs, but none of them can deal with all of the problems that PT deals with.
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Old Apr 13, 2007, 4:07 AM   #9
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Computers and software dont really worry me, i´m a computer scientist.. only the low power of the only computer available to me at the moment.... hopefully only a short term issue!!

thanks for all the help, i´ll look into all the suggestions and see whats best for my need...
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Old Apr 21, 2007, 8:06 AM   #10
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ceecrb1 wrote:
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Computers and software dont really worry me, i´m a computer scientist.. only the low power of the only computer available to me at the moment.... hopefully only a short term issue!!

thanks for all the help, i´ll look into all the suggestions and see whats best for my need...
Hay everybody, I am new in panorama pics. and I like to know one of the best and easy to make panoramas , some body else has been working with the new Arcsoft PanoramaMaker Pro. ????. From Panama....Carlitin
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