There are no instructions, and if there IS a way to get it to do something, its certainly lost on me. Developer's website is no help, as the app is not listed there.
Perspective Corrector at Google Play market analyse
Estimation application downloads and cost
Description
Perspective Corrector corrects falling lines and fixes the horizon in images. Falling lines are caused by lens distortion which makes straight lines to appear distorted in photographs.Features:- Fix vertical and horizontal falling lines.- Straighten the horizon.- Support for full resolution* images.- Crop images (free, and presets such as 4:3, 3:2, 16:9, 1:1).* The maximum resolution depends on available RAM.
Reviews
Doesn't work! At all!
No instructions so I tried every combination of the limited set of switches and there was no significant difference in the results.
Quite powerful for a phone app. If you have not used any serious photo programs like PhotoShop or DXO, you may not have a clue. If you know photo, you do not need instructions.
Use the pre-crop tool and set the red outline over your image (or just leave it full screen, but when you save you'll have crop it using another editor). It won't crop while you work, just when you save. Now choose the vertical or horizontal perspective lines tool. Next press & HOLD DOWN the plus or minus. Don't tap it, hold it down, and be ready to take your finger off the second it looks right.
