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Attribute

Expression keyword

Age

particle.age, particle.isolation

Collision

particle.collision

Density

particle.density

Force

particle.force.mod, particle.force.x, particle.force.y, particle.force.z, particle.f.mod, particle.f.x, particle.f.y, particle.f.z

ID

particle.id

Mass

particle.mass

Neighbors

particle.nv, particle.neighbors, particle.neighbours

Normal

particle.normal.x, particle.normal.y, particle.normal.z

Position

particle.pos.x, particle.pos.y, particle.pos.z, particle.position.x, particle.position.y, particle.position.z

Pressure

particle.pressure

Temperature

particle.temperature

Texture

particle.texture.u, particle.texture.v, particle.texture.w

Velocity

particle.speed, particle.velocity.x, particle.velocity.y, particle.velocity.z, particle.vel.x, particle.vel.y, particle.vel.z

Viscosity

particle.viscosity

Vorticity

particle.vorticity.mod, particle.vorticity.x, particle.vorticity.y, particle.vorticity.z

Emitter Idparticle.emitterid

 

An example:

Let's assume you want to filter the particles from “Square01” “Domain01” against the particles' velocities:

  • If a particle' speed is lower than 2.0 the particle should be attached to “Container01”“Domain02”

  • Source Emitter > Square01

  • Target Emitter (True) > Container01Domain02

  • Source > Domain01

  • Condition > Expression

  • Under “Expression” enter: particle.speed < 2.0

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