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Commit fed6f816 authored by Andreas Freise's avatar Andreas Freise
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Merge branch 'master' of gitmaster.atlas.aei.uni-hannover.de:pykat/pykat

parents eef54098 056dd5ed
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bin/test_2d_plot.py 0 → 100644
View file @ fed6f816
from pykat import finesse
from pykat.utilities.optics.gaussian_beams import gauss_param
from pykat.detectors import *
from pykat.components import *
from pykat.commands import *
from pykat.structs import *
import matplotlib.image as mpimg
from mpl_toolkits.mplot3d.axes3d import Axes3D
import numpy as np
import pylab as pl
code = """
l l1 1 0 0 n1
s s1 10 1 n1 n2
ad ad1 0 n2
beam b1 0 n2
maxtem 0
xaxis b1 x lin -10.0 10 100
x2axis b1 y lin -6 6 100
"""
kat = finesse.kat()
kat.parseCommands(code)
kat.s1.n1.q = gauss_param(w0=1e-3, z=0)
out = kat.run(printout=0,printerr=0)
fig = pl.figure()
ax = fig.add_subplot(1, 1, 1, projection='3d')
x, y = np.meshgrid(out.x, out.y)
p = ax.plot_wireframe(x, y, out["b1"])
pl.xlabel(out.xlabel)
pl.ylabel(out.ylabel)
pl.show()
pl.figure()
extent = [np.min(out.x),np.max(out.x),np.min(out.y),np.max(out.y)]
imgplot = pl.imshow(out["b1"], extent=extent)
#imgplot.set_interpolation('bicubic')
imgplot.set_interpolation('nearest')
pl.colorbar()
pl.xlabel(out.xlabel)
pl.ylabel(out.ylabel)
pl.show()
bin/test_plot.py
View file @ fed6f816
......@@ -39,7 +39,7 @@ kat.maxtem = 0
out = kat.run(printout=0,printerr=0)
pl.figure()
pl.plot(out.x,out.y)
pl.plot(out.x, out["pd_cav"])
pl.xlabel(out.xlabel)
pl.ylabel("Intensity [W]")
pl.legend(out.ylabels)
......
pykat/commands.py
View file @ fed6f816
......@@ -74,10 +74,11 @@ class attr():
if comp == None:
raise
# can list multiple attributes per command
class xaxis(Command):
def __init__(self, scale, limits, comp, param, steps):
def __init__(self, scale, limits, comp, param, steps, axis_type="xaxis"):
self._axis_type = axis_type
if scale == "lin":
scale = Scale.linear
......@@ -121,23 +122,43 @@ class xaxis(Command):
def parseFinesseText(text):
values = text.split(" ")
if values[0] != "xaxis" and values[0] != "xaxis*" and values[0] != "x2axis" and values[0] != "x2axis*":
if values[0] != "xaxis" and values[0] != "xaxis*":
raise exceptions.RuntimeError("'{0}' not a valid Finesse xaxis command".format(text))
axis_type = values[0]
values.pop(0) # remove initial value
if len(values) != 6:
raise exceptions.RuntimeError("xaxis Finesse code format incorrect '{0}'".format(text))
return xaxis(values[2], [values[3], values[4]], values[0], values[1], values[5])
return xaxis(values[2], [values[3], values[4]], values[0], values[1], values[5], axis_type=axis_type)
def getFinesseText(self):
# store either the component name of the string provided
comp_name = self.__comp.name if isinstance(self.__comp, Component) else self.__comp
param_name = self.__param.name if isinstance(self.__param, Param) else self.__param
return 'xaxis {0} {1} {2} {3} {4} {5}'.format(
return '{axis_type} {0} {1} {2} {3} {4} {5}'.format(
comp_name, param_name, self.scale,
min(self.limits), max(self.limits), self.steps);
min(self.limits), max(self.limits), self.steps, axis_type=self._axis_type);
class x2axis(xaxis):
def __init__(self, scale, limits, comp, param, steps):
xaxis.__init__(self, scale, limits, comp, param, steps, axis_type="x2axis")
@staticmethod
def parseFinesseText(text):
values = text.split(" ")
if values[0] != "x2axis" and values[0] != "x2axis*":
raise exceptions.RuntimeError("'{0}' not a valid Finesse xaxis command".format(text))
axis_type = values[0]
values.pop(0) # remove initial value
if len(values) != 6:
raise exceptions.RuntimeError("xaxis Finesse code format incorrect '{0}'".format(text))
return x2axis(values[2], [values[3], values[4]], values[0], values[1], values[5])
\ No newline at end of file
pykat/components.py
View file @ fed6f816
......@@ -143,6 +143,8 @@ class Component(object):
@property
def id(self): return self.__id
def __str__(self): return self.name
class Param(float):
def __new__(self,name,value):
return float.__new__(self,SIfloat(value))
......@@ -345,7 +347,7 @@ class space(Component):
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._QItem = None
self.__L = SIfloat(L)
self.__n = SIfloat(n)
......
pykat/detectors.py
View file @ fed6f816
......@@ -43,12 +43,12 @@ class Detector(object) :
@property
def node(self): return self.__node
def __getname(self):
return self.__name
name = property(__getname)
@property
def name(self): return self.__name
def __str__(self): return self.name
class photodiode(Detector):
class __F(list):
......
pykat/finesse.py
View file @ fed6f816
......@@ -34,7 +34,7 @@ import pykat
import warnings
import re
from pykat.exceptions import *
import pykat.exceptions as pkex
from pykat.node_network import NodeNetwork
from pykat.detectors import Detector
......@@ -66,8 +66,50 @@ class katRun(object):
def loadKatRun(filename):
with open(filename,'r') as infile:
return pickle.load(infile)
def get(self, value): return self[value]
def __getitem__(self, value):
if value in self.ylabels:
idx = self.ylabels.index(value)
if len(self.y.shape) == 1:
return self.y
else:
return self.y[:, idx]
else:
raise pkex.BasePyKatException("No output by the name {0} found", value)
class katRun2D(object):
def __init__(self):
self.runDateTime = datetime.datetime.now()
self.x = None
self.y = None
self.z = None
self.xlabel = None
self.ylabel = None
self.zlabels = None
self.katScript = None
self.katVersion = None
def saveKatRun(self, filename):
with open(filename,'w') as outfile:
pickle.dump(self, outfile)
@staticmethod
def loadKatRun(filename):
with open(filename,'r') as infile:
return pickle.load(infile)
def get(self, value): return self[value]
def __getitem__(self, value):
idx = [i for i in range(len(self.zlabels)) if self.zlabels[i].split(" ")[0] == str(value)]
if len(idx) > 0:
return self.z[idx].squeeze()
else:
raise pkex.BasePyKatException("No output by the name {0} found".format(str(value)))
class Block:
def __init__(self, name):
self.__name = name
......@@ -225,8 +267,10 @@ class kat(object):
obj = pykat.components.lens.parseFinesseText(line)
elif(first[0:2] == "pd"):
obj = pykat.detectors.photodiode.parseFinesseText(line)
elif(first == "xaxis" or first == "x2axis" or first == "xaxis*" or first == "x2axis*"):
elif(first == "xaxis" or first == "xaxis*"):
obj = pykat.commands.xaxis.parseFinesseText(line)
elif(first == "x2axis" or first == "x2axis*"):
obj = pykat.commands.x2axis.parseFinesseText(line)
elif(first == "gauss" or first == "gauss*" or first == "gauss**"):
after_process.append(line)
else:
......@@ -263,15 +307,16 @@ class kat(object):
except BasePyKatException as ex:
print ex
def run(self, printout=1, printerr=1, save_output=False, save_kat=False,kat_name=None) :
def run(self, printout=0, printerr=0, save_output=False, save_kat=False,kat_name=None) :
"""
Runs the current simulation setup that has been built thus far.
It returns a katRun object which is populated with the various
data from the simulation run.
"""
try:
r = katRun()
r.katScript = "".join(self.generateKatScript())
try:
if not hasattr(self, "xaxis"):
raise pkex.BasePyKatException("No xaxis was defined")
if len(self.__katdir) == 0:
# Get the environment variable for where Finesse is stored
......@@ -295,6 +340,17 @@ class kat(object):
# check if kat file exists and it is executable by user
if not (os.path.isfile(kat_exec) and os.access(kat_exec, os.X_OK)):
raise MissingFinesse()
print "--------------------------------------------------------------"
start = datetime.datetime.now()
print "Running kat - Started at " + str(start)
if hasattr(self, "x2axis"):
r = katRun2D()
else:
r = katRun()
r.katScript = "".join(self.generateKatScript())
# create a kat file which we will write the script into
if self.__tempname == None:
......@@ -307,28 +363,37 @@ class kat(object):
katfile.flush()
cmd=[kat_exec, '--perl1']
if self.__time_code:
cmd.append('--perf-timing')
cmd.append('--no-backspace')
cmd.append('--no-backspace')
# set default format so that less repeated numbers are printed to the
# output file, should speed up running and parsing of output files
cmd.append('-format=%.15g')
cmd.append(katfile.name)
if self.verbose:
print cmd
#if self.verbose:
#print cmd
p=subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
err = ""
print "Finesse binary output:"
for line in iter(p.stderr.readline, ""):
err += line
vals = line.split("-")
if len(vals) == 2:
action = vals[0].strip()
prc = vals[1].strip()[:-1]
#sys.stdout.write("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b")
sys.stdout.write("\r{0} {1}%".format(action, prc))
sys.stdout.flush()
#err += line
if len(line) > 0:
if line.rstrip().endswith('%'):
vals = line.split("-")
action = vals[0].strip()
prc = vals[1].strip()[:-1]
sys.stdout.write("\r{0} {1}%".format(action, prc))
elif line[0] == '*':
sys.stdout.write(line)
[out,errpipe] = p.communicate()
# get the version number
......@@ -347,11 +412,6 @@ class kat(object):
root = os.path.splitext(katfile.name)
base = os.path.basename(root[0])
outfile = root[0] + ".out"
[r.x,r.y,hdr] = self.readOutFile(outfile)
r.xlabel = hdr[0]
r.ylabels = hdr[1:]
if save_output:
newoutfile = "{0}.out".format(base)
......@@ -364,8 +424,20 @@ class kat(object):
os.rename(outfile, newoutfile)
print "Output data saved to '{0}'".format(newoutfile)
print "\nOutput data saved to '{0}'".format(newoutfile)
if hasattr(self, "x2axis"):
[r.x,r.y,r.z,hdr] = self.readOutFile(outfile)
r.xlabel = hdr[0]
r.ylabel = hdr[1]
r.zlabels = map(str.strip, hdr[2:])
else:
[r.x,r.y,hdr] = self.readOutFile(outfile)
r.xlabel = hdr[0]
r.ylabels = map(str.strip, hdr[1:])
if save_kat:
if kat_name == None:
kat_name = "pykat_output"
......@@ -394,9 +466,12 @@ class kat(object):
return [r, perfData]
else:
return r
except FinesseRunError as fe:
print fe
finally:
print ""
print "Finished in " + str(datetime.datetime.now()-start)
def add(self, obj):
......@@ -435,29 +510,41 @@ class kat(object):
def readOutFile(self, filename):
outfile = open(filename,'r')
# read first to lines to get to header line
outfile.readline()
outfile.readline()
hdr = outfile.readline().replace('%','').replace('\n','').split(',')
data = np.loadtxt(filename,comments='%')
shape_len = len(data.shape)
if shape_len > 1:
rows,cols = data.shape
x = data[:,0]
y = data[:,1:cols].squeeze()
with open(filename,'r') as outfile:
# read first to lines to get to header line
outfile.readline()
outfile.readline()
hdr = outfile.readline().replace('%','').replace('\n','').split(',')
data = np.loadtxt(filename,comments='%',skiprows=4)
if hasattr(self, "x2axis"):
# need to parse 2D outputs slightly different as they are effectively 2D matrices
# written in linear form
x = data[0::(1+self.x2axis.steps),0]
y = data[0:(1+self.x2axis.steps),1]
# get rows and columns lined up so that we can reshape a single column of all x/y data
# into a matrix
z = data[:,2:].transpose().reshape(data.shape[1]-2, 1+self.xaxis.steps, 1+self.x2axis.steps)
# once you do this the data for y and x axes need swapping
z = z.swapaxes(1,2)
return [x, y, z, hdr]
else:
rows = 1
cols = data.shape[0]
shape_len = len(data.shape)
x = data[0]
y = data[1:cols].squeeze()
return [x, y, hdr]
if shape_len > 1:
rows,cols = data.shape
x = data[:,0]
y = data[:,1:cols].squeeze()
else:
rows = 1
cols = data.shape[0]
x = data[0]
y = data[1:cols].squeeze()
return [x, y, hdr]
def generateKatScript(self) :
""" Generates the kat file which can then be run """
......
pykat/utilities/optics/gaussian_beams.py
View file @ fed6f816
import pykat.exceptions as pkex
import numpy
import math
import copy
class gauss_param(object):
"""
......@@ -141,4 +142,49 @@ class gauss_param(object):
@property
def imag(self): return self.__q.imag
@imag.setter
def imag(self, value): self.__q.imag = SIfloat(value)
\ No newline at end of file
def imag(self, value): self.__q.imag = SIfloat(value)
class HG_gauss_beam(object):
def __init__(self, qx, qy=None, n=0, m=0):
self._qx = copy.deepcopy(qx)
self._2pi_qrt = math.pow(2.0/math.pi, 0.25)
if qy == None:
self._q0 = copy.deepcopy(qx)
else:
self._q0 = copy.deepcopy(qy)
self.n = n
self.m = m
self._calc_constants()
@property
def n(self): return self._n
@n.setter
def n(self,value):
self._n = float(value)
self._calc_constants()
@property
def m(self): return self._m
@m.setter
def m(self,value):
self._m = float(value)
self._calc_constants()
def _calc_constants(self):
self.__xpre_const = math.pow(2.0/math.pi, 0.25)
self.__xpre_const *= math.sqrt(1/(2**self._n * math.factorial(self._n)))
self.__xpre_const *= math.sqrt(1j*self._qx.imag / self._qx)
self.__xpre_const *= math.pow((1j*self._qx.imag * self._qx.conjugate)/(-1j*self._qx.imag * self._qx), self._n/2.0)
self.__ypre_const = math.pow(2.0/math.pi, 0.25)
self.__ypre_const *= math.sqrt(1/(2**self._m * math.factorial(self._m)))
self.__ypre_const *= math.sqrt(1j*self._qy.imag / self._qy)
self.__ypre_const *= math.pow((1j*self._qy.imag * self._qy.conjugate)/(-1j*self._qy.imag * self._qy), self._m/2.0)
def Unm(self, n, m, x, y):
return self.__xpre_const * special
\ No newline at end of file
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