horizon1231 Posted February 24, 2009 Share Posted February 24, 2009 is that any expression can extract a pls fluid's leading edge? so i can emit whitewater from it Quote Link to comment Share on other sites More sharing options...
old school Posted February 24, 2009 Share Posted February 24, 2009 Try using curvature and velocity. Take a look at the Whitecaps tool on the shelf to see one way to do this. Quote Link to comment Share on other sites More sharing options...
horizon1231 Posted February 24, 2009 Author Share Posted February 24, 2009 Try using curvature and velocity. Take a look at the Whitecaps tool on the shelf to see one way to do this. thx for reply. I know that tool can do this, but I wanna some dop expressions can extract this information like we can extract impact data. some day after tomorrow breakdown screen pics. can someone tell me which method they did on the flood, sph or pls fluid? Quote Link to comment Share on other sites More sharing options...
Marc Posted February 25, 2009 Share Posted February 25, 2009 The Day After Tomorrow stuff was done at DD using levelset based fluids. We wrote a bunch of tools on top of that to extract the various attributes for the splashes. It was a while ago but I'm fairly certain the curvature and velocity in the example will get you a long way. Cheers Marc Quote Link to comment Share on other sites More sharing options...
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