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DPChallenge Forums >> Tips, Tricks, and Q&A >> Perspective shift
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Canon EOS-40D
Canon EF-S 17-55mm f/2.8 IS USM
 07/04/2006 07:39:53 AM · #1
Good Morning and Happy July 4th / Independence Day to USA folks!

I have a building photo that I think I probably need to try and adjust the perspective for it in PS, but I've never used it before. I'm not sure how and would really appreciate a simple walk through if anyone is willing? Thanks.

Judy
Canon EOS-40D
Canon EF-S 18-200mm f/3.5-5.6 IS
 07/04/2006 08:45:01 AM · #2
Not sure with PS, but in PI I select the Perspective Crop tool, then select the portion of the photo I want as a rectangle first with the bottom being wide enough so that when I move the top corners it doesn't cut off the building, then move the left and right top corners to the same angle - usually following the lines of the building I want to be straight, then crop. Basically making a trapezoid. This brings the building straight in the picture.

Hope this helps...

Message edited by author 2006-07-04 08:46:08.
Canon EOS-7D
Tamron SP AF 28-75mm f/2.8 XR Di for Canon
 07/04/2006 08:52:50 AM · #3
Easiest to post an example.

Briefly, look at the lines formed by the building's corners and rows of windows. Do they appear to converge at the top of the pic? This effect can make buildings look like they're falling away from you. Use the perspective tool to drag the corners of the image away from the center to straighten those lines, and make the building look more natural. I'll look for an example in my own portfolio.
Canon EOS-7D
Tamron SP AF 28-75mm f/2.8 XR Di for Canon
 07/04/2006 09:01:47 AM · #4
Before..............................After


Look carefully at the vertical lines created by the windows, esp. near the edges. Subtle but effective.
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