phonon

Hello .
I have a question about in.disp file in /lammps-3Mar20/examples/USER/phonon/4-Graphene path :

100
1
2
1
pdisp.dat
0 0 0 ! Gamma
0.5 0.5 0 ! M
21
0.5 0.5 0 ! M
0.3333333333 0.6666666666666 0. ! K
11
0.3333333333 0.6666666666666 0. ! K
0. 0 0 ! Gamma
21
q
0

what is the meaning of The first four lines? (
100
1
2
1)

best regards
Majid

image.png

as indicated in the README file this is an input to the phana tool written by the contributor of fix phonon.
you have to contact the author of phana about this or infer it from the source code (a copy is in tools/phonon).

axel.

image.png