commands.py 5.23 KB
Newer Older
Daniel Brown's avatar
Daniel Brown committed
1
2
3
4
5
6
7
8
9
10
11
12
# -*- coding: utf-8 -*-
"""
Created on Mon Jan 28 11:58:09 2013

@author: Daniel
"""
import numpy
from numpy import min,max
import exceptions
from components import *
from structs import *
from pykat.param import Param, putter
13
import pykat.exceptions as pkex
Daniel Brown's avatar
Daniel Brown committed
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

class Command(object):
    def __init__(self):
        self.tag = None

    def getFinesseText(self):
        """ Base class for individual finesse optical components """
        raise NotImplementedError("This function is not implemented")

    @staticmethod
    def parseFinesseText(text):
        raise NotImplementedError("This function is not implemented")

    def _on_kat_add(self, kat):
        """
        Called when this component has been added to a kat object
        """
        self._kat = kat

class cavity(Command):
    def __init__(self, name, c1, n1, c2, n2):
        self.__name = name
        self.__c1 = c1
        self.__c2 = c2
        self.__n1 = n1
        self.__n2 = n2

    def getFinesseText(self):
        return 'cav {0} {1} {2} {3} {4}'.format(self.__name, self.__c1, self.__n1, self.__c2, self.__n2);

class gauss(object):
    @staticmethod
    def parseFinesseText(text, kat):
47
        values = text.split()
Daniel Brown's avatar
Daniel Brown committed
48

49
        if not values[0].startswith("gauss") or (len(values) != 6 and len(values != 8)):
50
51
            raise exceptions.RuntimeError("'{0}' not a valid Finesse gauss command".format(text))        
        
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
        name = values[1]
        component = values[2]
        node = values[3]
        
        
        
        if values[0].endswith("**"):
            if len(values) == 6:
                print ""
            elif len(values) == 8:
                print ""
        elif values[0].endswith("*"):
            if len(values) == 6:
                print ""
            elif len(values) == 8:
                print ""
        else:
            if len(values) == 6:
                print ""
            elif len(values) == 8:
                print ""
            
        
Daniel Brown's avatar
Daniel Brown committed
75
76
class xaxis(Command):

77
    def __init__(self, scale, limits, param, steps, comp=None, axis_type="xaxis"):
Daniel Brown's avatar
Daniel Brown committed
78
79
80
81
82
83
        self._axis_type = axis_type

        self.x = putter("x1")
        self.mx = putter("mx1")

        if scale == "lin":
84
            scale = Scale.linear
Daniel Brown's avatar
Daniel Brown committed
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
        elif scale == "log":
            scale = Scale.logarithmic
        elif isinstance(scale, str):
            # else we have a string but not a recognisable one
            raise exceptions.ValueError("scale argument '{0}' is not valid, must be 'lin' or 'log'".format(scale))

        if scale != Scale.linear and scale != Scale.logarithmic:
            raise exceptions.ValueError("scale is not Scale.linear or Scale.logarithmic")

        self.scale = scale

        if numpy.size(limits) != 2 :
            raise exceptions.ValueError("limits input should be a 2x1 vector of limits for the xaxis")

        self.limits = numpy.array(SIfloat(limits)).astype(float)

        if steps <= 0 :
            raise exceptions.ValueError("steps value should be > 0")

        self.steps = int(steps)

        if isinstance(param, str):
            self.__param = param
108
109
110
111
            if comp == None:
                raise pkex.BasePyKatException("If parameter is set with a string, the comp argument must set the component name")
                
            self.__comp = comp
Daniel Brown's avatar
Daniel Brown committed
112
        elif not isinstance(param, Param) :
113
            raise pkex.BasePyKatException("param argument is not of type Param")
Daniel Brown's avatar
Daniel Brown committed
114
115
        else:
            self.__param = param
116
            self.__comp = param._owner.name
Daniel Brown's avatar
Daniel Brown committed
117
118
119

    @staticmethod
    def parseFinesseText(text):
120
        values = text.split()
Daniel Brown's avatar
Daniel Brown committed
121
122
123
124
125
126
127
128
129
130
131

        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))

132
        return xaxis(values[2], [values[3], values[4]], values[1], values[5], comp=values[0], axis_type=axis_type)
Daniel Brown's avatar
Daniel Brown committed
133
134
135
136
137
138
139
140
141
142
143

    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 '{axis_type} {0} {1} {2} {3} {4} {5}'.format(
                comp_name, param_name, self.scale,
                min(self.limits), max(self.limits), self.steps, axis_type=self._axis_type);

class x2axis(xaxis):
144
145
    def __init__(self, scale, limits, param, steps, comp=None):
        xaxis.__init__(self, scale, limits, param, steps, comp=comp, axis_type="x2axis")
Daniel Brown's avatar
Daniel Brown committed
146
147
148
149
150
        self.x = putter("x2")
        self.mx = putter("mx2")

    @staticmethod
    def parseFinesseText(text):
151
        values = text.split()
Daniel Brown's avatar
Daniel Brown committed
152
153
154
155
156
157
158
159
160
161
162

        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))

163
        return x2axis(values[2], [values[3], values[4]], values[0], values[1], values[5])