Scaling texture coordinate system

vvvv beta question
1

Hi,
this is a dummy one but how to scale the coordinates system of the texture in a way that its not ranged from 0 to 1 but from -1 to 1 for exemple?(because resampling methods aren’t what i want…actually tryin’ to achieve a pixelshader fish-eye effect…and other distortions!!)

2

check out the RendererCoordsToTexCoords (Transform) module.
is that what you need?
might also help: SymTex (Transform)