ball trace
command
Syntax
- ball trace <id id > id id2 | v
Add a ball particle trace. The positions and velocities of balls can be sampled and stored during a model run and the path through space can be visualized. The optional id directly following trace creates a particle trace with the specified ID. If not specified, then the next available particle trace ID is used. Following this, either 1) a position vector or 2) or an additional id keyword must be given to identify a specific ball. See the c trace commands for details regarding the manipulation of particle traces.
Usage Example
Set a trace on the ball whose ID = 1; the trace will be assigned the next available ID automatically.
ball trace id 1
from “TableTennis.dat” in Table Tennis
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