[Image-SIG] Fwd: Inverse of QUAD transform?
Laura & Edward Cannon
cannon.el at gmail.com
Fri Nov 27 20:48:18 CET 2009
---------- Forwarded message ----------
From: Laura & Edward Cannon <cannon.el at gmail.com>
Date: Fri, Nov 27, 2009 at 11:48 AM
Subject: Re: [Image-SIG] Inverse of QUAD transform?
To: Mark Wendell <mark.wendell at gmail.com>
there is a (undocumented) perspective method that might do what you
want. as I recall
is the documentation. There is not an anti-quad however.
On Fri, Nov 27, 2009 at 9:50 AM, Mark Wendell <mark.wendell at gmail.com> wrote:
> The docs say that the QUAD image transform takes a quadrilateral
> defined by an 8-tuple, and transforms it to a rectangle of the
> provided 'size'.
> I need the inverse of that: I need to take a rectangular region, and
> warp it to an arbitrary quad. Is there a way to do that?
> Mark Wendell
> Image-SIG maillist - Image-SIG at python.org
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