vopsop particle emission

[creativeneon]

hi,
i am trying to emit particle from the red channel . but not happening. i dont understand how to connect red channel to the emission of the particle.

attaching  hip file also . looking for some generous comments .

 

thanks :-)

 

 

houdini_color_displace_v04.hip

Edited July 6, 2015 by creativeneon

[rolfcoppter]

Group Points by expression $CR > 0.5 (or whatever value you want)

 

Emit from that group.

[creativeneon]

yeah... got.. it thanks.. man.. must be so silly for you . but m learning and your help is much appreciated. thanks :-)

 

i love odforce

[Atom]

Ok, I don't get it. Where would the Group node be placed? The current example scene does not emit any particles. Does the Group happen here? Or do I click on the source particles button and emit from the land scape then find a place in the AutoDop to for the Group?

[carlo_c]

Not sure if an example is needed now but here it is anyway 

houdini_color_emit_v01.hipnc

[creativeneon]

thanks carlo ... for your concern man . i got it the way i wanted. 

much appreciated.

[Atom]

Thanks for the example file, again. That helps.