Extract texture of a quad and distort it

Hi evvvverybody,

Following the nice advices of Kalle, I made a sketch instead of to much writing:
https://vvvv.org/sites/default/files/imagecache/large/images/pb.jpg

You will find the begenning of the patch attached.

Thanks for your precious help

Main patch (14.1 kB)
2DGridDistort (Transform Grid).v4p (15.7 kB)

Ok sorry for disturbing you,

I succed in with Homography node.

I attached the patch for people who could be interested…

vvvvorum.v4p (15.8 kB)