1
2
3
4
5
6
7
8
9
10
11
12
13
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
|
from __future__ import division # confidence high
import pyfits
from mappings import ins_spec_kw
class InstrWCS(object):
"""
A base class for instrument specific keyword definition.
It prvides a default implementation (modeled by ACS) for
all set_kw methods.
"""
def __init__(self, hdr0=None, hdr=None):
self.exthdr = hdr
self.primhdr = hdr0
self.set_ins_spec_kw()
def set_ins_spec_kw(self):
"""
This method MUST call all set_kw methods.
There should be a set_kw method for all kw listed in
mappings.ins_spec_kw. TypeError handles the case when
fobj='DEFAULT'.
"""
self.set_idctab()
self.set_offtab()
self.set_date_obs()
self.set_ra_targ()
self.set_dec_targ()
self.set_pav3()
self.set_detector()
self.set_filter1()
self.set_filter2()
self.set_vafactor()
self.set_naxis1()
self.set_naxis2()
self.set_ltv1()
self.set_ltv2()
self.set_binned()
self.set_chip()
self.set_parity()
def set_idctab(self):
try:
self.idctab = self.primhdr['IDCTAB']
except (KeyError, TypeError):
self.idctab = None
def set_offtab(self):
try:
self.offtab = self.primhdr['OFFTAB']
except (KeyError, TypeError):
self.offtab = None
def set_date_obs(self):
try:
self.date_obs = self.primhdr['DATE-OBS']
except (KeyError, TypeError):
self.date_obs = None
def set_ra_targ(self):
try:
self.ra_targ = self.primhdr['RA-TARG']
except (KeyError, TypeError):
self.ra_targ = None
def set_dec_targ(self):
try:
self.dec_targ = self.primhdr['DEC-TARG']
except (KeyError, TypeError):
self.dec_targ = None
def set_pav3(self):
try:
self.pav3 = self.primhdr['PA_V3']
except (KeyError, TypeError):
self.pav3 = None
def set_filter1(self):
try:
self.filter1 = self.primhdr['FILTER1']
except (KeyError, TypeError):
self.filter1 = None
def set_filter2(self):
try:
self.filter2 = self.primhdr['FILTER2']
except (KeyError, TypeError):
self.filter2 = None
def set_vafactor(self):
try:
self.vafactor = self.exthdr['VAFACTOR']
except (KeyError, TypeError):
self.vafactor = 1
def set_naxis1(self):
try:
self.naxis1 = self.exthdr['naxis1']
except (KeyError, TypeError):
try:
self.naxis1 = self.exthdr['npix1']
except (KeyError, TypeError):
self.naxis1 = None
def set_naxis2(self):
try:
self.naxis2 = self.exthdr['naxis2']
except (KeyError, TypeError):
try:
self.naxis2 = self.exthdr['npix2']
except (KeyError, TypeError):
self.naxis2 = None
def set_ltv1(self):
try:
self.ltv1 = self.exthdr['LTV1']
except (KeyError, TypeError):
self.ltv1 = 0.0
def set_ltv2(self):
try:
self.ltv2 = self.exthdr['LTV2']
except (KeyError, TypeError):
self.ltv2 = 0.0
def set_binned(self):
try:
self.binned = self.exthdr['BINAXIS1']
except (KeyError, TypeError):
self.binned = 1
def set_chip(self):
try:
self.chip = self.exthdr['CCDCHIP']
except (KeyError, TypeError):
self.chip = 1
def set_parity(self):
self.parity = [[1.0,0.0],[0.0,-1.0]]
def set_detector(self):
# each instrument has a different kw for detector and it can be
# in a different header, so this is to be handled by the instrument classes
self.detector = 'DEFAULT'
class ACSWCS(InstrWCS):
"""
get instrument specific kw
"""
def __init__(self, hdr0, hdr):
self.primhdr = hdr0
self.exthdr = hdr
InstrWCS.__init__(self,hdr0, hdr)
self.set_ins_spec_kw()
def set_detector(self):
try:
self.detector = self.primhdr['DETECTOR']
except KeyError:
print 'ERROR: Detector kw not found.\n'
raise
def set_parity(self):
parity = {'WFC':[[1.0,0.0],[0.0,-1.0]],
'HRC':[[-1.0,0.0],[0.0,1.0]],
'SBC':[[-1.0,0.0],[0.0,1.0]]}
if self.detector not in parity.keys():
parity = InstrWCS.set_parity(self)
else:
self.parity = parity[self.detector]
class WFPC2WCS(InstrWCS):
def __init__(self, hdr0, hdr):
self.primhdr = hdr0
self.exthdr = hdr
InstrWCS.__init__(self,hdr0, hdr)
self.set_ins_spec_kw()
def set_filter1(self):
self.filter1 = self.primhdr.get('FILTNAM1', None)
if self.filter1 == " " or self.filter1 == None:
self.filter1 = 'CLEAR1'
def set_filter2(self):
self.filter2 = self.primhdr.get('FILTNAM2', None)
if self.filter2 == " " or self.filter2 == None:
self.filter2 = 'CLEAR2'
def set_binned(self):
mode = self.primhdr.get('MODE', 1)
if mode == 'FULL':
self.binned = 1
elif mode == 'AREA':
self.binned = 2
def set_chip(self):
self.chip = self.exthdr.get('DETECTOR', 1)
def set_parity(self):
self.parity = [[-1.0,0.],[0.,1.0]]
def set_detector(self):
try:
self.detector = self.exthdr['DETECTOR']
except KeyError:
print 'ERROR: Detector kw not found.\n'
raise
class WFC3WCS(InstrWCS):
"""
Create a WFC3 detector specific class
"""
def __init__(self, hdr0, hdr):
self.primhdr = hdr0
self.exthdr = hdr
InstrWCS.__init__(self,hdr0, hdr)
self.set_ins_spec_kw()
def set_detector(self):
try:
self.detector = self.primhdr['DETECTOR']
except KeyError:
print 'ERROR: Detector kw not found.\n'
raise
def set_filter1(self):
self.filter1 = self.primhdr.get('FILTER', None)
if self.filter1 == " " or self.filter1 == None:
self.filter1 = 'CLEAR'
def set_filter2(self):
#Nicmos idc tables do not allow 2 filters.
self.filter2 = 'CLEAR'
def set_parity(self):
parity = {'UVIS':[[-1.0,0.0],[0.0,1.0]],
'IR':[[-1.0,0.0],[0.0,1.0]]}
if self.detector not in parity.keys():
parity = InstrWCS.set_parity(self)
else:
self.parity = parity[self.detector]
class NICMOSWCS(InstrWCS):
"""
Create a NICMOS specific class
"""
def __init__(self, hdr0, hdr):
self.primhdr = hdr0
self.exthdr = hdr
InstrWCS.__init__(self,hdr0, hdr)
self.set_ins_spec_kw()
def set_parity(self):
self.parity = [[-1.0,0.],[0.,1.0]]
def set_filter1(self):
self.filter1 = self.primhdr.get('FILTER', None)
if self.filter1 == " " or self.filter1 == None:
self.filter1 = 'CLEAR'
def set_filter2(self):
#Nicmos idc tables do not allow 2 filters.
self.filter2 = 'CLEAR'
def set_chip(self):
self.chip = self.detector
def set_detector(self):
try:
self.detector = self.primhdr['CAMERA']
except KeyError:
print 'ERROR: Detector kw not found.\n'
raise
class STISWCS(InstrWCS):
"""
A STIS specific class
"""
def __init__(self, hdr0, hdr):
self.primhdr = hdr0
self.exthdr = hdr
InstrWCS.__init__(self,hdr0, hdr)
self.set_ins_spec_kw()
def set_parity(self):
self.parity = [[-1.0,0.],[0.,1.0]]
def set_filter1(self):
self.filter1 = self.exthdr.get('OPT_ELEM', None)
if self.filter1 == " " or self.filter1 == None:
self.filter1 = 'CLEAR1'
def set_filter2(self):
self.filter2 = self.exthdr.get('FILTER', None)
if self.filter2 == " " or self.filter2 == None:
self.filter2 = 'CLEAR2'
def set_detector(self):
try:
self.detector = self.primhdr['DETECTOR']
except KeyError:
print 'ERROR: Detector kw not found.\n'
raise
def set_date_obs(self):
try:
self.date_obs = self.exthdr['DATE-OBS']
except (KeyError, TypeError):
self.date_obs = None
|
