2009

Emitter Icon group
Logo Size Sets the size of the Particle Flow logo, which appears at the center
of the source icon, as well as the arrow that indicates the default direction of
particle motion.
By default, the logo size is proportional to that of the source icon; with this
control, you can make it larger or smaller.
This setting affects only the viewport display of the logo; changing it has no
effect on the particle system.
Icon Type Choose the basic geometry of the source icon: Rectangle, Box,
Circle, or Sphere. Default=Rectangle.
This choice matters only if you use the source icon as the particle emitter. The
available size settings depend on which icon type you choose, and, again, are
important only if you use the source icon as an emitter.
The default icon type is Rectangle. If you add a particle system, and then
change the icon type to Box, the icon continues to resemble a rectangle. To
make it look like a box, increase the Height setting.
Length/Diameter Sets the length of the Rectangle and Box icon types, and
the diameter of the Circle and Sphere icon types.
Width Sets the width of the Rectangle and Box icon types. Unavailable with
the Circle and Sphere icon types.
Height Sets the height of the Box icon type. Available only with the Box icon
type.
Show Logo/Icon Turns display of the logo (with arrow) and icon on and off,
respectively.
These settings affect only the viewport display of these items; they have no
effect on the particle system.
Quantity Multiplier group
These settings determine the percentage of the total number of particles in
each
flow on page 7983 that are actually produced in the viewports and at render
time. They don't affect the percentage of particles that are visible; those are
determined by the Display operator on page 2943 and Render operator on page
2951. You can use them to quickly decrease or increase the number of particles
consistently throughout all events in the particle system. The maximum
setting, 10,000%, lets you multiply the number of particles generated by the
flow by 100.
2832 | Chapter 14 Space Warps and Particle Systems