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How On Earth Do I Level This?  
User currently offlineDC10Tim From United Kingdom, joined Jan 2005, 1406 posts, RR: 14
Posted (9 years 6 months 2 days 1 hour ago) and read 3280 times:

Hi all,

I've just done a very quick edit on the shot below, as I've realized it's not level, yet I have "levelled" it with the horizon of the grass in the distance. Look at the building on the far left, and it would appear to need some CCW rotation. The problem with this is that it would make the whole shot appear to be sloping, so in an instance such as this what should I do?




Obviously missing something....
4 replies: All unread, jump to last
User currently offlineGranite From UK - Scotland, joined May 1999, 5603 posts, RR: 62
Reply 1, posted (9 years 6 months 2 days ago) and read 3261 times:
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Hi Tim

Only needs very slight anti-clockwise rotation.

Level up the dark building on the left.



User currently offlinePsych From United Kingdom, joined Nov 2004, 3069 posts, RR: 57
Reply 2, posted (9 years 6 months 2 days ago) and read 3255 times:
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Hi Tim,

I feel I can speak with some authority on this one, having posted a number of times on photos from this position and also discussed the matter with various screeners.

The key here is to ignore the slopes that we know are present at this spot and level it according to the 'aesthetics' argument - i.e. so it looks level.

I have chosen one of my photos to illustrate the problem you have here due to the amount of zoom used:

View Large View Medium
Click here for bigger photo!

Photo © Paul Markman

It shows the same piece of background, but at a wider angle. I also used the grass horizon to level this photo, but you can see in the wider angle shot that the ground is not level - i.e. it rises from the left edge of my photo, then drops again to the right edge. Hence there's a bit of a hump in the middle (underneath the belly of my 757). Thus I was able to level the photo using the right and left ends of the grass horizon, ignoring that little hump in the middle. You have the 'hump' towards the right, so effectively are using a horizon that will be slightly sloped. Make that look level, as you have done, and everything else will be 'pulled' slightly in a CW direction - hence the apparent need for CCW rotation.

I hope I am getting across what I am trying to say. In essence, if that grass horizon extended to the right of your crop, it would drop down and, if you then used the 'new' right end of it, I think the verticals in the left of the shot would look okay.

Put all this in a comment to the screener  biggrin  - that grass slope is misleading you and the background verticals should be vertical - especially that one just to the left of the engine cowling. You can use my photo if you like to illustrate that little hump in this area.

There - too long a post once again! I just can't seem to help myself  wink .

Take care.


User currently offlineDC10Tim From United Kingdom, joined Jan 2005, 1406 posts, RR: 14
Reply 3, posted (9 years 6 months 1 day 18 hours ago) and read 3174 times:

Thanks guys  Smile


Obviously missing something....
User currently offlineChris78cpr From United Kingdom, joined Feb 2004, 2825 posts, RR: 50
Reply 4, posted (9 years 6 months 1 day 10 hours ago) and read 3107 times:

Quoting Psych (Reply 2):
There - too long a post once again! I just can't seem to help myself

Lol, anyone would think you are a psychiaraist or something with the way you post!

It hurts me to write posts that long! I only do it when i feel strongly about something! LOL


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