TRTIME
TRTIME, TIME, SPACING, OFFSET, SIZE, LENGTH
Defines the options used for the PLTRAC
(charged particle trace) command.
TIMETotal Trace Time (seconds) (defaults to 0, which is the full particle trace).
SPACINGParticle spacing in seconds (defaults to 0).
OFFSETParticle offset in seconds (defaults to 0). It is used internally in the ANFLOW macro to produce an animation of charged particle motion in an electric or magnetic field.
SIZEParticle size (defaults to 0, which is a line).
LENGTHParticle length fraction (defaults to .1).
Notes
The TRTIME command varies the type of
PLTRAC display produced. Charged particle traces follow a particle's path in
the forward and backward direction of travel. The DOF selected determines the color of the
particle trace. SPACING defines the particle spacing in seconds from
adjacent particles in the stream line. OFFSET defines the offset in
seconds from the spacing set by the SPACING argument.
LENGTH defines the particle length fraction.
The default value (.1), means the particle occupies 10% of the trace region, and the other 90% is
a color-coded line.
SIZE sets the radius of the particle. Use SPACING, OFFSET and LENGTH only when SIZE is nonzero
(that is, the particle is bigger than the line).