8

Particle Flow Source 131
Use Script Wir ing—
Lets you u se a script to specif y
certain parameters in the
Force operator (page
2–200)
and Keep Ap art operator (page 2–168) .
This command appears only when you right-click
either of the spe cified, highlighted oper ators in an
event.
Co mments—Lets you add comments to each action
and event, and view existing comments. Available
only when the mouse cursor is o v er an action or
the title bar of an event.
Choosing Comments opens a window for entering
text from the keyboard. Begin typing, and click
OK to finish. A commented event or action has a
red triangle near its name to indicate the presence
of the comment. You can click this triangle to open
the comment.
Commented actions; click the triangle to view a comment.
Note: A comment is specific to the ac tion or event
to which it’s applied. If you copy a commented
event or action, the comment is not included in
the copy, because it’s probably not applicable to
the copy.
Pan—Switches to the Pan tool. Drag in the event
display to change the view; right-click to exit.
Available only when you click over an empty area
of the event display.
Zoom—Switches to the Zoom tool. Drag upward
in the event display to zoom in, and downward to
zoom out; right-click to exit. Available only when
you click over an empty area of the event display.
Zoom Re g io n —Switches to the Zoom Region tool.
Drag a rectangle in the event display to specify the
area to zoom into; right-click to exit. Available
only when you click over an empty area of the
event display.
Pa rt icle Fl ow S o ur ce
Add a Particle Flow system to the scene. > Create panel
Select a PF Source icon. > Mod ify panel
Particle View (page 2–121) > Click a global eve nt (title
bar). > Parameters panel
TheParticleFlowsourceistheviewporticonfor
each
flow (page 3–1036) ,andalsoservesasthe
default emitter. By default, it appears as a rectangle
w ith a central logo (see above illustration), but you
can change its shape and appearance using the
controls described below.
When you select a source icon in the viewport,
the Particle Flow emitter-level rollouts appear
on the Modify panel. Alternatively, click the title
bar of a global event in Part icle View to hig h light
it, and to access the emitter-level rollouts from
the parameters panel on the right side of the
P article View dialog. Use these controls for setting
global attributes, such as icon properties and the
maximum amount of p articles in the flow.