I usually use 2-3 distortion nodes to simulate heat distortion dissipation. You can also try using a particle system to drive the distortion. Dave
On Thu, Oct 11, 2012 at 6:42 AM, Adam Hazard <[email protected]> wrote: > This brings up a good point, iDistort is not very intuitive. I find using > iTransform to be much more useful and quicker. It is a free download off of > Nukepedia. > > > On 10/10/2012 02:34 PM, Feli wrote: > >> On Oct 10, 2012, at 11:50 AM, Jason P Nguyen<[email protected]> >> wrote: >> >> I'm trying to use the noise& idistort to make my background have some >>> engine's heat distortion >>> >>> ( but it has to look like "boiling heat" instead of wiggling x&y). The >>> idistort seems like doesn't do the job well. >>> anyone has better idea? >>> >>> thanks, >>> >>> J >>> >> This has always been a little tricky in Nuke. Straight out of the box >> iDistort really doesn't do >> a displacement distort like most people would expect. Instead it tends to >> translate/offset pixels in >> x and Y. it's more involved if you want something that looks like a a >> true displacement map to fake >> things like ripple glass, heat distortion or lens distortion. >> >> Unfortunately I haven't done this in a while and can't remember exactly >> how we solved this issue. >> >> That's not a particularly helpful answer, but at least it affirms your >> suspicion that something >> isn't working as expected. >> >> Let me see if I can find one of my old scripts. >> >> >> Feli >> >> >> ______________________________**______________________________**__ >> [email protected] 2 + 2 = 4 >> www.elanphotos.com >> >> >> >> >> ______________________________**_________________ >> Nuke-users mailing list >> [email protected].**co.uk<[email protected]>, >> http://forums.thefoundry.co.**uk/ <http://forums.thefoundry.co.uk/> >> http://support.thefoundry.co.**uk/cgi-bin/mailman/listinfo/**nuke-users<http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >> >> > ______________________________**_________________ > Nuke-users mailing list > [email protected].**co.uk<[email protected]>, > http://forums.thefoundry.co.**uk/ <http://forums.thefoundry.co.uk/> > http://support.thefoundry.co.**uk/cgi-bin/mailman/listinfo/**nuke-users<http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >
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