CSN0309 Posted February 14, 2010 Share Posted February 14, 2010 Hi guys,, How can i emit particle from the "turbnoise" i mean, i want to emit particle only from the white area. can i use vopsop node? Thanks Quote Link to comment Share on other sites More sharing options...
aracid Posted February 14, 2010 Share Posted February 14, 2010 hey there How u can do that is within ur vop network, export or add an attribute, in the example file, i added emitFromHere then within sops, promote the attribute from points to primitives. then under your source POP, specify that you birth from the surface (attribute) and set the distribution attribute to emitFromHere. That should do the trick : see the attached file. emitRegion.hipnc Quote Link to comment Share on other sites More sharing options...
CSN0309 Posted February 14, 2010 Author Share Posted February 14, 2010 Thank you aracid~ thanks Quote Link to comment Share on other sites More sharing options...
Marc Posted February 15, 2010 Share Posted February 15, 2010 I often just use the red channel and just type $CR, $CR into the birth probability fields. Works just as well . M Quote Link to comment Share on other sites More sharing options...
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