[Sidefx-houdini-list] op:

[Oodini]

symek at poczta.onet.pl a écrit :
> I have no idea where in docs you can find the answer but as to
 > the heart of the matter, "op:/" is a general way of
 > referencing output of one node to  some input field of another node.

OK.
It's just I didn't understand why it was neeeded. The same sentence 
without "op:" must have an other meaning.

> It's applicable in all Houdini's contexts. Only data type has to match of course...as there is not too much sense in sending image from COPs to the field which expects geometry ;)

It is to affect the colors from a ramp to a geometry's points. :-)

> So whenever you want (and its reasonable) to use product of some node in a input field of another node, "op:/" will work for you.

OK, thanks !