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DPChallenge Forums >> Challenge Suggestions >> Why has there never been a Panorama challenge?
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01/11/2004 09:39:07 PM · #26
i used a free app called PTAssembler (used to assemble the "gigapixel" image - //www.tawbaware.com/maxlyons/gigapixel.htm ). It's very easy to use, you just add points that are at the same location on each pic, and the program figures out how to distort each so that they line up.

Limiting a panorama challenge to non-stitched images can be very limiting. If i didn't have my wide angle lense, my widest shot would be 38mm, which is pretty narrow, compared to someone with a 1Ds (or other full-frame DSLR) with a 15mm lense for example :). Adding "stitching" would even out the competition in this case (not limiting people who dont have very expensive cameras or attachements). Increasing the pixel dimensions (width) would definatly help in showing off the detail you can get in a panorama. In my shot for example, there's a guy on the right looking towards the left with binocculars. It really adds to the shot, but you can barely see that in the 640 pixel version.
01/11/2004 10:48:57 PM · #27
Originally posted by Refracted:

i used a free app called PTAssembler (used to assemble the "gigapixel" image - //www.tawbaware.com/maxlyons/gigapixel.htm ). It's very easy to use, you just add points that are at the same location on each pic, and the program figures out how to distort each so that they line up.

Limiting a panorama challenge to non-stitched images can be very limiting. If i didn't have my wide angle lense, my widest shot would be 38mm, which is pretty narrow, compared to someone with a 1Ds (or other full-frame DSLR) with a 15mm lense for example :). Adding "stitching" would even out the competition in this case (not limiting people who dont have very expensive cameras or attachements). Increasing the pixel dimensions (width) would definatly help in showing off the detail you can get in a panorama. In my shot for example, there's a guy on the right looking towards the left with binocculars. It really adds to the shot, but you can barely see that in the 640 pixel version.


Thanks for the info on the PTAssembler. I haven't done a panorama before and just thought it would be interesting when I started the thread. The site council might consider lifting some dimension and/or editing rules if they decide to do this challenge. The amount of interest I've seen shown makes it seem like a good challenge idea.


01/11/2004 10:56:00 PM · #28
I use PTAssembler aswell, and finish it off/clean it up in photoshop as one large image.
It'd have to be no restrictions..
and maybe a link to PTAssembler for those who don;t know of it.
01/11/2004 11:19:43 PM · #29
yeah cvt, in fact, i'll put the link up now :) in case anyone doesn't find it on the gigapixel page:

//www.tawbaware.com/ptasmblr.htm

it's a VERY easy to use panorama assembler, step by step with good examples of what to do.. you really cant mess it up unless you mis-aligned something with the "correspondance points". Plus, in the end you can choose what type of output. In my case, i ask it for a PSD file (photoshop) that has each image in a seperate layer, with their own mask. That way, you can easily edit the mask to fix any error that might crop up. This of course would be "spot editing" and usage of "layers", so regular rules would definatly have to be thrown out for a challenge like this :). It could definatly create wonderfull images though. Just look at max lyons' gallery.. lots of amazing stuff in like 4x5 (20 images) or 2x6 (12 images) patterns. His prints must look amazing at any size.

(link to his gallery: //www.tawbaware.com/maxlyons/index.html there's some really amazing landscapes in there.)
01/11/2004 11:56:38 PM · #30
Well I think if we raised the width limit for a panorama challenge to 1000 or 1200, it would be sufficient. I uploaded one of my panoramas which I resized to 1000 wide (a little less than 1/6 original width), and its not bad to look at online.



By the way, I stitch with Panorama Factory. It does a great job stitching and also correcting for distortion and lighting changes between shots. Try and find the stitch lines in my shot (ok, it's a small rendition, I know). It's not free, but I've tried a bunch of the software and nobody does it better (or at least better AND this easily). There was a free version available, an earlier version. And the current version does have a free trial. //www.panoramafactory.com (I think. I have no affiliation other than being a paying customer.)

Message edited by author 2004-01-11 23:57:05.
01/12/2004 12:19:31 AM · #31
Argh. I see now that even though I posted my shot as 1000 wide, the site has reduced it to 640. And not a pretty reduction even. So much for posting an example!

Originally posted by nshapiro:

Well I think if we raised the width limit for a panorama challenge to 1000 or 1200, it would be sufficient. I uploaded one of my panoramas which I resized to 1000 wide (a little less than 1/6 original width), and its not bad to look at online.



By the way, I stitch with Panorama Factory. It does a great job stitching and also correcting for distortion and lighting changes between shots. Try and find the stitch lines in my shot (ok, it's a small rendition, I know). It's not free, but I've tried a bunch of the software and nobody does it better (or at least better AND this easily). There was a free version available, an earlier version. And the current version does have a free trial. //www.panoramafactory.com (I think. I have no affiliation other than being a paying customer.)
01/12/2004 11:49:06 AM · #32
I use PTGui/ Panotools (shareware GUI, free backend tools) to stitch and as Refracted mentioned, output PSD files with masks so that I can do further editing to blend things together more effectively.

Main reason I use PTGui/Panotools as it was one of the few sets of tools that could optimise for up/down camera tilts, which I needed for this 9 image shot:



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