I got a photograph of a housefront.  Taken slightly "off" (the camera's 
axis
isn't perpendicular to the front).

I know the real <x,y,z> coordinates of 3 points of this housefront.

I'd like to use POV-Ray to "tilt" the image and render a view which
should look as if I took the picture with the camera axis perpendicular
to the front. (il will become "orthographic").

I have very little clue about how to process. (I know I have to perform
rotation on 3 axis, a translation, and position camera, but I can't
find the mathematical way...)

Thanks for any help.

Fabien.

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> Thanks for any help.

A related external program:

http://netpbm.sourceforge.net/doc/pamperspective.html


-- 
merge{#local i=-11;#while(i<11)#local
i=i+.1;sphere{<i*(i*i*(.05-i*i*(4e-7*i*i+3e-4))-3)10*sin(i)30>.5}#end
pigment{rgbt 1}interior{media{emission x}}hollow}//  Mark Weyer

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