lzoper Posted June 11, 2012 Share Posted June 11, 2012 (edited) the problem is written in the title popsolver_01.hip Edited June 11, 2012 by lzoper Quote Link to comment Share on other sites More sharing options...
Guest mantragora Posted June 11, 2012 Share Posted June 11, 2012 I heavn't used PopSolver ever but one thing for sure just by briefly looking, you have "Use External POP" turned ON while you want to get "V" from inside of your PopSolver. If you check in details view you can see clearly that it doesn't create any force till you uncheck "Use External POP". Quote Link to comment Share on other sites More sharing options...
lzoper Posted June 11, 2012 Author Share Posted June 11, 2012 Unchek, still does not work. Quote Link to comment Share on other sites More sharing options...
Guest mantragora Posted June 11, 2012 Share Posted June 11, 2012 Unchek, still does not work. That's why I said that I heavn't used it before . But you are one step closer now . One interesting thing from help This setup is useful for when a pop solver is used in the velocity update stage of a FLIP Solver or Particle Fluid Solver. It updates the velocity according to the acceleration, but does not update position, leaving that for another microsolver to integrate. I don't know is it mean that to notice change in direction of your fluid you have to add another node to the setup ? Quote Link to comment Share on other sites More sharing options...
lzoper Posted June 11, 2012 Author Share Posted June 11, 2012 I do not insist on POP solver. If i connect other force node it also has no effect. Quote Link to comment Share on other sites More sharing options...
Guest mantragora Posted June 11, 2012 Share Posted June 11, 2012 So all you want is method to modify velocity ? Doesn't matter if it is with PopSolver or with Volume ? Quote Link to comment Share on other sites More sharing options...
lzoper Posted June 11, 2012 Author Share Posted June 11, 2012 Yes ! it is desirable that it can be used to do complex things, and not just to change the direction of motion. For example whirlpool. I still can not understand the principle of force. Quote Link to comment Share on other sites More sharing options...
Guest mantragora Posted June 11, 2012 Share Posted June 11, 2012 I hope this is what you are looking for. does_this_makes_you _happy.hip 1 Quote Link to comment Share on other sites More sharing options...
lzoper Posted June 11, 2012 Author Share Posted June 11, 2012 Thank you very much. Quote Link to comment Share on other sites More sharing options...
SpencerL Posted June 12, 2012 Share Posted June 12, 2012 the problem is written in the title Havent looked at your file, but on the popsolver DOP there are a few things you may need to check. Set the 'Rehome Particles' to 'Left Most Generator' This makes sure the particles are 'owned' by a given pop. Without it, the particles get ignored. You probably want to uncheck 'Handle Collisions' under the collision tab. You can also set if you want to pop to only effect the velocity or accel (force) on the solver tab > Solve Mode. Typically, I set this to Update Velocity, but note if you do this AFAIK, POPs which modify force will have no effect ie Drag, Force, etc Hope this helps 1 Quote Link to comment Share on other sites More sharing options...
lzoper Posted June 12, 2012 Author Share Posted June 12, 2012 Typically, I set this to Update Velocity, but note if you do this AFAIK, POPs which modify force will have no effect ie Drag, Force, etc Thanks for help. And what means AFAIK ? Quote Link to comment Share on other sites More sharing options...
SpencerL Posted June 12, 2012 Share Posted June 12, 2012 Thanks for help. And what means AFAIK ? As Far As I Know Quote Link to comment Share on other sites More sharing options...
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