PanoTools:
Re: Re: Need help stitching my helicopter panorama!
Douglas L. Urner 2005-Jun-03 02:11:10
Cool idea! Just be really, really sure you can't drop anything --
and double check with the pilot to be sure that s/he is comfortable
with the plan too. The pilot is probably responsible (in the eyes of
the FAA) if anything falls from the helicopter.
Doug
--
Douglas L. Urner <#removed#> Port Orchard, WA +1 360 769 5565
On Jun 2, 2005, at 16:54 :07, tflyfish2002 wrote:
> Ed,
> You should have mounted the camera on a monopod and hung it out of the
> door so it was below the skids, using a remote release rotate the
> monopod and take a bunch of shots while the pilot held the chopper in
> a hover. No need to level since the camera is hanging. If you shoot
> lots of frames fairly quickly you should get some that match for
> stitching. If the camera is angled slightly down then you should only
> have to stitch in a zenith of the sky or the underneath of the
> chopper.
> Sorry you had a wasted trip.
>
> Barry
>
>
>>>
>>> It was probably too windy that day. We even had to start over
>>> once because we drifted a couple of blocks down the street
>>> between the
>>> first shot and the second.
>>>
>>> My client is trying to talk the pilot into a half price charge
>>> for the retake, but at this point I can't be certain that I'm not
>>> doing
>>> something wrong. I did shoot down at a -30 to -40 degree angle,
>>> trying
>>> to use the good part of the lens more, and trying to get lots of
>>> overlap
>>> for the nadir, which isn't normal for me, but I don't think that
>>> would
>>> cause the problem.
>>>
>>> It looks so bad that I haven't even tried to warp things into
>>> place with Photoshop yet. I've been so spoiled by my Kaidan
>>> Quick Pan
>>> III that I've never had to deal with anything this far out of whack
>>> before, so I'm looking to see what I can do to improve it in PTGui
>>> before using Photoshop. (Especially since I also shot panoramas
>>> over two
>>> other cities, and those look just as bad as the first one.)
>>>
>>> I was surprised to find that even with dozens of control
>>> points
>>> per seam and control points on the horizon on all four pictures, the
>>> horizon still got pretty screwed up. It was so bad that I finally
>>> stopped optimizing and just typed in all the pitch and roll
>>> values to
>>> level the horizon. I could get a really nice straight horizon that
>>> way,
>>> but some buildings end up being misaligned so bad they're a block
>>> or two
>>> away from where they should be. I've got twin towers where there
>>> should
>>> only be one.
>>>
>>> The four JPG's from my Nikon D70/Sigma 8mm are at:
>>> http://www.new-eden.com/temp/Minneapolis.zip
>>>
>>> The VR that I get from them, straight out of Enblend, is at:
>>> http://www.new-eden.com/temp/MINNEAPOLISSKYTOUR.MOV
>>>
>>>
>>> Ed
>>> #removed#
>>> http://www.new-eden.com/
>>> No eternal reward will forgive us now for wasting the dawn.
>>> -- Jim Morrison --
>>>
>>>
>>>
>>>
>>>
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