Ticket #6243: test_mesh.py

# Benchmark changes in mesh edge calculation.
# Have to hide file history before running this script or no rendering done.
from chimerax.core.commands import run
from numpy import arange, concatenate
run(session, 'open 12873 from emdb')
run(session, 'light simple')
run(session, 'volume #1 step 1 style mesh level .01')
#run(session, 'volume #1 step 1 style surface level .01')
for level in concatenate((arange(.01,.03,.001), arange(.03,.01,-.001))):
    run(session, 'volume #1 level %.3f ; wait 1' % level, log = False)