Prt File Node pick .prt particles file. And can set Particle size for levelset conversion.

Output / Particles:
output particles.

File:
Select prt file.

use Single file:
When checked, selected file is using as single file import.

Frame Offset:
Added to the some number to calculate the PRT file frame number.

PRT File Scale:
Convert prt file scale unit into the scene.

affect node pos:
When checked, particles position is affected by AqMehser object position.

Preview:
When checked, make preview particles in the viewport.

Preview Step:
Defines step number for the preview. Skips particles for each value you set. When you set 1, you can get all particle in the viewport.

Particle Color:
Defines color of the preview particles.

Constant Color:
Defines preview particle color.

Min Value:
Defines minimum value for the preview particle color by channel. Particles channel below this value are displayed in the Constant Color.

Max Value:
Defines maximum value for the preview particle color by channel. Particles channel above this value are displayed in the white.

Particle Size:
Defines particle size. This size use for levelset conversion.

variation [%]:
Defines particle size variation.

Random Seed:
Defines random seed for size variation.