[magick-users] How to make a perspective from an image?

[Alberto Simões]

On 6/18/07, Ross Presser <rpresser at gmail.com> wrote:
> See http://www.imagemagick.org/Usage/distorts/#perspective
>
> Briefly, perspective transformation is *not* an affine transformation.
> Affine transformations include only scaling, shearing, rotating and
> translating, none of which can alter the ratio of lengths in the way
> that perspective requires.  Therefore the -affine option isn't going
> to cut it.  You have to do heavier lifting using the -fx option, using
> numbers calculated using the perl script on that page (or a similar
> method).

Hmms, too slow for a CGI script. I need to get another tool to do this :(

Cheers
Alberto
-- 
Alberto Simões