Forum:
Q & A
Thread:
Immervision confusion
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Forum:
Q & A
Thread:
Adobe set to test new Flash Player
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Re: Adobe set to test new Flash Player
Posted: 17 May 2008 at 11:27 GMT
updated: 23 hours ago
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Well I would not call this an enchancement:
From release notes
Large Bitmap Support — Flash Player 10 now provides the ability to manipulate large bitmaps up to 16,777,216 pixels (4096 by 4096) with a maximum length of 8191 pixels per side.
Before last version 9.0.115 we had no problem with large strips or equirectangular.
9.0.115 broke a lot of sites by introducing the max 8191 length.
However I can still show cubefaces up to around 6000x6000 if I have the Ram
Now they seems to have reduced that to 4096x4096
No Gigapixel with KRPano
Hans
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Forum:
Q & A
Thread:
Settings for 303plus -5D with 17-40L & 24-70L
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Re: Settings for 303plus -5D with 17-40L & 24-70L
Posted: 16 May 2008 at 19:05 GMT
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It takes 60 seconds to find the nodal point of any lens and camera.
I can do it anywhere.
You just need something to put 50 cm in front of your lens.
A tripo, a door , a chair, a car or a bicycle, a tree or what ever is available,
Hans
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Forum:
Q & A
Thread:
Is Flash the future?
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Re: Is Flash the future?
Posted: 16 May 2008 at 16:34 GMT
updated: 16 May 2008 at 16:41 GMT
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You can use Cubefaces and movies and if you restrict the size to 8191 pixels length you can also use cube-stribes or cylindrical and equirectangular.
The size restriction for the single files is not FPP but a Flash thing introduced in the newest flash version.
I recommend cubefaces but movies are also OK for single pages.
The ones at panoramas.dk are a mix. You may see the difference in loading.
I do not think the coding is difficult for single pages.
There are some templates for this in the tutorial and you can just exchange the files for the toolbar to your own.
I believe there are a lot of news coming soon for FPP also. Read the interviw with Denis at VRMag
www.vrmag.org/vartist/VR_industry/THE_FLASH_PANOR...
Hans
Hans
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Forum:
Q & A
Thread:
Is Flash the future?
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Re: Is Flash the future?
Posted: 16 May 2008 at 14:45 GMT
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emarts said: I started fooling around with FPP and I really like the simplicity of it. The only problem I have with Flash VRs is that the image seems to continue a bit once you let go of the mouse. I know it's a smll thing, but can that be turned off?
That is fully controllable in very small steps.
Use the editor and you can see how the parameters works.
the parameter for it is friction.
Reduce the friction to 0.5 and you have no movement at all after you leave the mouse.
I would say 0.7 to 0.82 is a nice area
Hans
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Forum:
Tips & Tricks
Thread:
Images preload without using java script/removing right click branding in flash tours
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Re: Images preload without using java script/removing right click branding in flash tours
Posted: 16 May 2008 at 9:21 GMT
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Unfortunatelly it does not work in all browsers. None of your panoramas does cache at all. in Safari.
I done several Demo pages using standard javascript preloading for FPP which works fine.
Hans
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Forum:
Q & A
Thread:
Suspended Ceiling
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Forum:
Q & A
Thread:
Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
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Re: Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
Posted: 14 May 2008 at 20:37 GMT
updated: 14 May 2008 at 20:38 GMT
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Mike Diagonal will be anywhere with a circular fisheye. Its the diameter and if it is vertical or anywhere else does not matter.
Hans
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Forum:
Q & A
Thread:
Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
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Re: Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
Posted: 14 May 2008 at 17:04 GMT
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mhc1 said: Remember the fov of the Sigma 8mm is 180° diagonal not vertical. So even on a Nikon or 1.5 crop you are not using 180° when unslanted.
Ciao
Mike
www.360de.de
No Mike
On Nikon you have the full circle at the top/bottom.
Image circle of the Sigma 8mm 3.5 is 23.5mm
Sensor of most Nikons is 23.6x15.8
Unless you have a large sensor shift you have no crop.
The newer Canons are 22.2 and most of the older are 22,5mm
Hans
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Forum:
Q & A
Thread:
Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
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Re: Canon EOS 40D & Fisheye 8mm f/3.5 EX DG Users
Posted: 14 May 2008 at 12:59 GMT
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mediavets said: mhc1 said:
There are both zenitn and nadir holes when I stitched this set with Autopano Pro. Which is what I would have expected using Canon cropped sensor and Sigma 8mm.
Andrew
Thats because you are not able to control your FOV in Autopano as you easy can in PTGui.
Well perhaps it is somewhere but I have not found it even if I have looked a lot for it.
It is not directly obvious what you get of optimized FOV,
Optimized FOV is not always the right FOV.
You need to do a controlled optimize to get the FOV to be 180 degrees on the Sigma 8mm or any other lens with 180 degree.
If you do not controll this you will very easy get an optimized FOV of 174 even with correct crop circle and then it does not help if you have taken them 2-3 degrees up. You will still get a hole at zenith.
In addition to that the autodetect cropcircle in Autopano is not very good.
You will sometimes get a too small crop but often you get one outside the the actual image.
Hans
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Forum:
Tips & Tricks
Thread:
PTGui Viewpoint optimization
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Re: PTGui Viewpoint optimization
Posted: 14 May 2008 at 7:30 GMT
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Hamish Tear said: John,
I had a bad experience with a zenith shot recently - but much more extreme than your description. PTGui seemed to treat it like a 'seventh' image in my circle of six, rather than putting it into the zenith position at all. This was of course first obvious in the panorama editor window. Have you ever heard of such an 'extreme' non-placement of the zenith (or nadir) images?
I'll try it again and use your techniques described above to try to drag it into place and then re-optimize.
Hamish.
Are you sure your zenith did have controlpoints. It is very common that you do not get autocontrolpoints for zenith if the subject is just sky or a white ceiling. You need to ad manual controlpoints or perhaps just position th image manually.
You should get a warning about on the Project assistant.
Hans
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Forum:
Tips & Tricks
Thread:
high res panormaic shots ?? Help!
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Re: high res panoramicc shots ?? Help!
Posted: 13 May 2008 at 13:19 GMT
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Everything goes into a standard Cavalet including my large MacBook Pro 17 (and your favorite drink.)
At standard height I can also do perfect downshots with a couple of cm accuracy using this setup.
Shadow from tripod is minimized because of the low height of the tripod legs.
Hans
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Forum:
Tips & Tricks
Thread:
high res panormaic shots ?? Help!
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Re: high res panoramicc shots ?? Help!
Posted: 13 May 2008 at 13:04 GMT
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Yes my own special.
Monopod-tripod with 2 monopods. Rotator between monopods for easy fast rotation.
Max height 4m. I guess this one was 3m
Hans
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Forum:
Tips & Tricks
Thread:
high res panormaic shots ?? Help!
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Re: high res panoramicc shots ?? Help!
Posted: 13 May 2008 at 9:56 GMT
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Rotating a DSLR with a good rotator with "freegear" can be done very fast while shooting if you shoot at 1/1200 second or faster.
I use the Manfrotto 300N.
I shoot continuous shooting 3 images per second and I do the rotation manual. That means I shoot 270 degrees in 1.5 second.
This is very easy with some practice, Usually you never have movement all 360 degree so you can shoot the last image 1-2 seconds later.
This one has movement in both directions and there is no areas without people moving. This is the most difficult you can do.
www.panoramas.dk/new/fullscreen16.html
No manual manipulation was needed to stitch it. I exported the layers from PTGui and used Photoshop autoblend to blend them. On windows Smartblend would probably also been able to take care of the blending automatically.
Peter Murphy does the same but he uses a standard electric screwdriver as a motor for the rotation.
www.mediavr.com/blog/
Hans
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Forum:
Tips & Tricks
Thread:
panorama instructions
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Re: panorama instructions
Posted: 13 May 2008 at 9:41 GMT
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Rotational panoramic cameras are not very sensitive for the entrance pupil.
Actually most of them do not at all use it for rotation.
As the width of the area scanned is very small you do not get any parallax problem.
Only Panoscan seems to have a rotation close to the front of the fisheye.
www.panoscan.com/
Spheron is not rotated at the entrance point.
Hans
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