More Verticals and Horizontals Discussion
Here are three versions of the same image made today that follow up on the previous discussion about correcting verticals and horizontal lines.
The 1st image is as the image came out of the camera with a very small exposure correction applied. None of the lines are either vertical or horizontal because Harry the Rescue Dog was jerking me toward the next interesting smell.
For the 2nd image I used DxO Viewpoint 3 to make the verticals vertical and the horizontals horizontal. Since the image was not shot square on, technically the horizontals should actually NOT be horizontal because of the off-center perspective, which is the way I left it in the 3rd version. (There are other processing differences that are not germane to this discussion and not likely visible in these versions on this platform.)
In this case, I thought #2 looked better, even if it were not absolutely correct from a perspective point of view. My general rule would predict #3 would be the one, but intellectual discipline and consistency need to be in service of the art instead of the other way around.