I am trying to "square up" an image. It is a scanned map which shows section lines
representing a one mile square. Because of the map projection, the section lines on
the map aren't quite square (opposite sides aren't even quite parallel). I am trying
to "square up" the image so I can overlay
On Thu, Jan 22, 2004 at 12:43:18PM -0700, Steve Strobel <[EMAIL PROTECTED]> wrote:
> I tried using the perspective transform to adjust the corners of the image so the
> section lines would be horizontal and vertical.
That's actually correctly doing what the perspective transform is doing
(try to
On Thursday 22 January 2004 16:18, [EMAIL PROTECTED] ( Marc) (A.)
(Lehmann ) wrote:
>On Thu, Jan 22, 2004 at 12:43:18PM -0700, Steve Strobel
<[EMAIL PROTECTED]> wrote:
>> I tried using the perspective transform to adjust the corners of
>> the image so the section lines would be horizontal and ver
Thanks for the quick reply. The shearing transform works great for what it does, but
it can't help when the opposite sides aren't parallel; it always moves them together.
Imagine drawing a "square" with straight lines but with none of the corners quite 90
degrees. Rotate it until the top is