Ad Bo
Posts: 22
Location:
Registered: 24 Jan 2009
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Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 14:39 GMT
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I want to show single fisheye pictures online.
At the moment I get a single picture from a Canon 5dm2 and a Tokina 10-17 at 12mm. Then after raw conversion it goes into Autodesk Stitcher Unlimited which makes the cube faces. Then Pano2VR makes it into a single Flash file.
All that to get something like this..
inaball.com/testing/bikes2.swf
Any ideas on simplifying this process? Is there a better viewer (that doesn't need a plugin)? What other software can make a single pic into cube faces easily?
(I am planning a trip abroad taking picture of pretty chaotic places. So I like the ability to look around and zoom in to use all the resolution available. But I can't use a tripod and so I don't need stitching.)
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gus
Posts: 574
Location: United Kingdom
Registered: 19 Jun 2007
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 16:25 GMT
updated: 12 Aug 2009 at 16:27 GMT
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I have never thought of that, and Im surpised I havent seen it being used online ever. It makes a lot of sense, sometimes the scene does not warrant a 360° view, and instead of abandoning the opportunity altogether, you can take a single shot and display it interactively. Just like your example. No tripod & bracket required, no issues with moving people, no stiching errors, no parralax probs. I like!
One note, I would create a template in Pano2vr that saves the viewer-limits to prevent visitors seeing the black bits.
One application that jumps to mind is residential photography, with small rooms where a full 360° is not practical, or 2 boring walls taking up half the scene. Instead, stand near the corner, and take a single shot.
Unfortunately I cant answer your query, but will keep an eye on this thread.
Gus
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John Houghton
Posts: 3487
Location: Hitchin, United Kingdom
Registered: 17 Jan 2005
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 18:49 GMT
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PTGui can convert a single image to cubic tiles. You could also convert a single fisheye image to equirectangular using the Panorama Tools plugins for Photoshop. (Pano2QTVR is equally happy to accept an equirectangular image). PTGui would be the better option, as there would be the means to level the image easily.
Also, the absence of a tripod does not mean that stitched 360x180 panoramas are out of the question. More than half of the 360x180 panos on my web site were taken with a handheld camera. More post-processing is generally needed to eliminate stitching errors, though.
There is some previous discussion on this topic in this recent thread: www.panoguide.com/forums/qna/6529/
John
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Ad Bo
Posts: 22
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Registered: 24 Jan 2009
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 20:32 GMT
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How do you create the 6 cubefaces or even a single equirectangular image from one fisheye picture with PTGUI?
I keep getting a single square image...
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Ad Bo
Posts: 22
Location:
Registered: 24 Jan 2009
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 21:17 GMT
updated: 12 Aug 2009 at 21:20 GMT
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So far Autodesk Stitcher Unlimited seems to most hassle free.. only I get a saturation change of the colour in the browser. Probably due to the colour settings.
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John Houghton
Posts: 3487
Location: Hitchin, United Kingdom
Registered: 17 Jan 2005
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 21:25 GMT
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The process is straightforward.
1. Add the fisheye image.
2. Set the lens parameters (and circular crop if appropriate). For accurate conversion, you would first go through an exercise of stitching a full 360 degree panorama to evaluate the lens parameters. The project file could then be adapted for use as a template to be applied to single images.
3. Set the output panorama projection to be equirectangular with fov 360x180.
4. Set the output size to the optimum maximum value.
5. Generate the equirectangular image (which can be directly input to Pano2VR).
6. If you must have cubic tiles, then use the option on the Tools menu to convert the equirectangular image.
John
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bigwade
Posts: 826
Location: Utrecht, Netherlands
Registered: 19 Oct 2005
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Re: Showing single Fisheye pictures online.
Posted: 12 Aug 2009 at 23:03 GMT
updated: 12 Aug 2009 at 23:10 GMT
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and I would add,
7. don't forget to set viewer limits in pano2vr
btw, not a bad idea Ad Bo 
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bigwade
Posts: 826
Location: Utrecht, Netherlands
Registered: 19 Oct 2005
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Re: Showing single Fisheye pictures online.
Posted: 16 Aug 2009 at 21:37 GMT
updated: 16 Aug 2009 at 21:44 GMT
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recent test:
tinyurl.com/oh3vvp
5D2/Tokina @ 12mm f 13.
The bad parts of the edges is a combination of lens quality AND extreme warping.
A sig8 on a 450D will have about the same view but less pixels (and maybe even worse edges)
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Wim Koornneef
Posts: 118
Location: Ouddorp, Netherlands
Registered: 15 Nov 2007
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Re: Showing single Fisheye pictures online.
Posted: 26 Aug 2009 at 13:56 GMT
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Hello Bo, Frank and other posters,
Although partial panos made from a single fish eye image are not my first choice, I very rare make them myself because I don't like it to view a crippled panorama, I fully agree they sometimes can be very handy for reasons as explained by Bo and others.
Besides this very occasional use of a single fisheye image I also use sometimes 2 fisheye images for a fast and easy creation of 3D partial panoramas.
I posted a tutorial about the making of 3D partial panoramas on the NodalNinja forum and perhaps it is of some use for you:
nodalninja.com/forum/index.php?topic=916.0
Success,
Wim
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