dc10tim
Posts: 1380
Joined: Mon Jan 03, 2005 12:21 am

How On Earth Do I Level This?

Sat Oct 29, 2005 7:50 pm

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?

http://timgoodwin.myphotoalbum.com/v..._albumName=album16&id=CO7572409man

Regards,

Tim.
Obviously missing something....
 
Granite
Posts: 5026
Joined: Tue May 18, 1999 5:55 pm

RE: How On Earth Do I Level This?

Sat Oct 29, 2005 8:12 pm

Hi Tim

Only needs very slight anti-clockwise rotation.

Level up the dark building on the left.

Regards

Gary
 
Psych
Posts: 2944
Joined: Tue Nov 16, 2004 1:17 am

RE: How On Earth Do I Level This?

Sat Oct 29, 2005 8:15 pm

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.

Paul
 
dc10tim
Posts: 1380
Joined: Mon Jan 03, 2005 12:21 am

RE: How On Earth Do I Level This?

Sun Oct 30, 2005 2:16 am

Thanks guys  Smile

Tim.
Obviously missing something....
 
chris78cpr
Posts: 2733
Joined: Tue Feb 03, 2004 7:44 am

RE: How On Earth Do I Level This?

Sun Oct 30, 2005 10:20 am

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

Chris
5D2/7D/1D2(soon to be a 1Dx) 17-40L/24-105L/70-200F2.8L/100-400L/24F1.4LII/50F1.2L/85F1.2LII

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