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[AP] Perspective control for buildings


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Hi - I take lots of photos of buildings. I have a tilt-shift lens, but it is not always convenient to use it, so many of my pictures have converging verticals which I often want to correct.  Two things would make this much easier, and would give you the edge over Photoshop!

1 - When correcting perspective there should be an option to retain the rectilinear grid, rather than distorting the grid with the photo - this would let me see whether I have got the photo straight, rather than having to guess it against a distorted grid. Might it be possible to see both the straight and the distorted grid, possibly in different colours or line weights.

2.- Unless a photo of a building is taken absolutely at right angles to the facade, it is unlikely to have any truly horizontal lines - thus the spirit level straightening tool is almost useless.  It will, however, always have lines that should be vertical.  Would it not be possible to offer a "Plumb line" tool as an alternative to the spirit level, so that the picture can be straightened with respect to vertical lines.

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