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Mask | prtmap, useprtmap – Allows you to vary the amount of particles over the surface or the volume of the emitters. If this is not used, the Source will emit equal amount of particles over the entire surface or volume of the emitters.

 

Viscosity

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Viscosity Viscosity | viscosity, usevisc  usevisc – Specifies the viscosity of emitted liquid. If the viscosity channel is not enabled in the Output rollout of the Simulator, this parameter will be ignored.

Modifiers |  dmodvisc – dmodvisc – Discharge Modifiers can be attached here in order to affect the Viscosity parameter. The modifier ramp works as a multiplier to the Viscosity value.

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None – The Viscosity channel will not vary.
Texmap – Allows you to specify a texture map for the Viscosity channel.
Vertex Color – The Viscosity channel of the released fluid is determined by the emitter node's vertex colors. 

 

Emission

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Anchor
Velocity
Velocity

Motion Vel. | usevel, velmult – When enabled, moving emitters will affect the velocity of the fluid and make it follow the emitter. This effect is controlled with the specified multiplier. If the emitter is not moving, this option has no effect.

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  • Particles with attached geometry (such as PFlow particles using a Shape Instance operator) will act like standard geometry obstacles and will push the fluid by default, as long as their Solid Phoenix property is enabled.
  • Particles without geometry (even PFlow particles with a plain Shape operator) will need to be attached to a Source in order to interact with the fluid in any way.
  • Particles without geometry can emit fluid using their shape and size using the Source's Particle Shape and Custom Prt Size options.
  • Particles without geometry will not affect the fluid's motion by default, so you need to enable Motion Vel. explicitly if you need this effect.
  • If Motion Vel. is enabled, the fluid emitted by a particle may refuse to leave the particle shape area and continue to move together with the particle, because it will have the same velocity.

Modifiers | dmodvel – Discharge Modifiers can be attached here in order to affect the Motion Vel. parameter.

Polygon ID | poly_id – Only the polygons with the specified ID of the emitter geometry will emit the fluid.

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