Archived posting to the Leica Users Group, 2005/11/18

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Subject: [Leica] horizontal or not? Maybe it is now.
From: r.s.taylor at comcast.net (Richard S. Taylor)
Date: Fri Nov 18 17:48:13 2005
References: <28511F9D-7F4F-4484-BC8D-8DD085DC648B@pandora.be> <p0623091bbfa41bc1314a@[131.142.12.152]> <3DC89F8F-AE01-432B-92E8-1AE75D809481@pandora.be> <437E7A0B.4030007@gmx.de> <p0623091ebfa42c5914e6@[131.142.12.152]> <437E80CC.40400@gmx.de>

Douglas:

(snip)

>The out of true of the fence at the bottom left is probably lens 
>distortion, but if I try and correct it the end of the sofa goes all
>trapezium shaped. (was the sofa taken with a different lens, 
>Philippe? Yes, that's not fair :'( ).

I think you've identified the problem!  If the perspective of the 
different shots is even slightly different, no amount of tilt 
correction will ever make the image look right.   And... the tilt of 
the pier only makes the problem worse.

Dick


>
>>
>>It's a tough one, for sure.  :-)
>
>'tis indeed!!
>
>>
>>Dick
>>
>>>Philippe,
>>>I couldn't resist - why do you post shots like this so early in 
>>>the morning? ;-)
>>>Anyway, I  looked at it from all angles, agreed, disagreed, put a 
>>>fine grid over it, played around with it and took 10 minutes to 
>>>tweak a couple of  things..
>>>I think everything is horizontal or vertical now, 
>>>but,unfortunately, I lost a bit of the lower part by correcting 
>>>the perspective.
>>>I also applied a tiny touch of manual distortion correction.(BTW 
>>>what lens was it?, I may have a lens profile here somewhere to get 
>>>an accurate correction)
>>>
>>>http://gallery.leica-users.org/New-Old-Pictures/pano   Your shot
>>>http://gallery.leica-users.org/New-Old-Pictures/pano_edited_1 
>>>whether it's straight I'll leave to your judgment
>>>
>>>I also removed a slight colour cast (but that's  maybe on my 
>>>laptop TFT-screen) I couldn't be bothered firing up the big 
>>>machine in the office, so if the colours are wrong blame 
>>>Fujitsu-Siemens and Adobe-Gamma.
>>>cheers
>>>Douglas
>>>
>>>Philippe Orlent wrote:
>>>
>>>>Op 19-nov-05, om 01:09 heeft Richard S. Taylor het volgende geschreven:
>>>>
>>>>>Why don't all piers have couches?  I've never seen anything like 
>>>>>it. It looks like a winning idea to me.
>>>>
>>>>
>>>>
>>>>In fact, it's a shot I made today for an ad campaign for couches.
>>>>It's 5 in one photos, one per couch (shot inside in dim light) 
>>>>and the pier itself around noon.
>>>>The rest is PS.
>>>>
>>>>
>>>>_______________________________________________
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>>>>
>>>
>>>_______________________________________________
>>>Leica Users Group.
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>>
>>
>>
>>
>>_______________________________________________
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>
>_______________________________________________
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-- 
Regards,

Dick

In reply to: Message from philippe.orlent at pandora.be (Philippe Orlent) ([Leica] horizontal or not?)
Message from r.s.taylor at comcast.net (Richard S. Taylor) ([Leica] horizontal or not?)
Message from philippe.orlent at pandora.be (Philippe Orlent) ([Leica] horizontal or not?)
Message from douglas.sharp at gmx.de (Douglas Sharp) ([Leica] horizontal or not? Maybe it is now.)
Message from r.s.taylor at comcast.net (Richard S. Taylor) ([Leica] horizontal or not? Maybe it is now.)
Message from douglas.sharp at gmx.de (Douglas Sharp) ([Leica] horizontal or not? Maybe it is now.)