Re: How can I get coordinates selected interactively by the user on the image?

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Thanks!  I was suspicious that was the only way, but I was hoping I was 
wrong.

Again, thanks,

Rob

On 01/27/2011 05:18 PM, Joao S. O. Bueno wrote:
>
> On Thu, Jan 27, 2011 at 10:57 PM, H. Rob <rob.frohne@xxxxxxxxxxxxxx 
> <mailto:rob.frohne%40wallawalla.edu>> wrote:
> > Hi,
> >
> > I want to select four corners of a white board photo to do a 
> perspective transformation and to crop to in a script-fu script.  Is 
> there a good way to do this?
>
> There is no official way to do that for script-fu or
> automatically-generated interface python-fu scripts (appart from
> asking the user to type each coordinate, of course).
>
> However, in my experience a good way to achieve coordinate input for
> *-fu scripts is asking the user to draw a path (vector) on the image,
> and using the first N control points of said path as the needed
> coordinates. You can use the vectors pdb functions to read those
> coordinates.
>
> regards,
>
> js
> -><-
> >
> > Thanks,
> >
> > Rob
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
> 

-- 
Rob Frohne, Ph.D., P.E.
E.F. Cross School of Engineering
Walla Walla University
100 SW 4th Street
College Place, WA 99324
(509) 527-2075			 http://people.wallawalla.edu/~rob.frohne



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