ball extra
command
Syntax
- ball extra i a<range>
Set ball extra variables. The extra variable a can be of any type and is associated with the index i as if stored in an array.
Usage Example
Set the extra variable at index position 1 to 0 for all balls whose centroid’s \(z\)-coordinate lies between the values defined for the FISH symbols z1 and z2.
ball extra 1 0 range position-z [z1] [z2]
from “array_strength.dat” in Strength of a Face-Centered Cubic Array of Spheres
Set the extra variable at index position 5 to the vector (90,100,110) for all balls.
ball extra 5 (90,100,110)
Set the extra variable at index position 1 to the string Fred for all balls.
ball extra 1 'Fred'
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