test_plot.py

import pykat
#pykat.init_pykat_plotting()

from pykat import finesse
from pykat.detectors import *
from pykat.components import *
from pykat.commands import *
from pykat.structs import *

import numpy as np

code = """
l l1 1 0 0 n1 
s s1 10 1 n1 n2
m m1 0.9 0.1 0 n2 n3
s s2 10 1 n3 n4
m m2 0.91 0.09 0 n4 n5
s s3 10 1 n5 n6

yaxis abs:deg

ad refl 0 0 0 n2
ad circ 0 0 0 n4
ad tran 0 0 0 n5
pd pd_cav n3

cav c1 m1 n3 m2 n4

attr m1 Rc 1
"""

kat = finesse.kat()
kat.parseCommands(code)

kat.add(xaxis("lin", [1, 360], kat.m2.phi, 500))

kat.m1.Rcx = -1000.0
kat.m1.Rcy = -1000.0
kat.m2.Rcx =  1000.0
kat.m2.Rcy =  1000.0

kat.maxtem = 0

out = kat.run()

fig = out.plot(styles={'circ':'c:'}, yaxis="log abs:deg")