The Crop Tool in Photoshop is typically viewed as a useful, utilitarian
tool for getting rid of things that are not needed.
on though - it can also be used to change the perspective of
something in the image in a rather dramatic fashion and it is dead
simple as well.
Here's how to do it ...
I am going to use thiis picture and I want to
remove the yellow portion in the middle (St. George slaying the
Dragon). You can see it is at
a funny angle and well above the eyeline. What I want to do
have it appear as if I am standing directly in front of this striking
portion of the image.
Select the Crop Tool and make a marquee
the object you would want to modify.
Now - make sure the Perspective Check Box on
the Options bar at the top of the screen has a check mark in it.
Perspective box checked now you
can re-position each corner of the selection independently.
working with something like a building you will likely want to find
horizontal and vertical lines along which you will align the selection.
mouse pointer over one of the four
little handes at the corners
and move it to your first selected point.
Now move the second to line up with the first and
the last two
will not be a perfect rectangle or
square but rather a different shape.
When you are satisfied with the placement of
the newly selected area, select the check mark in the Option Bar and
you are done!
That's all there is to it - a nice quick and easy way
to change the
perspective of a picture with the crop tool.