Domenico Tiziani / ctools

Commit c60d955477d73c48049063074eac914068f878a7

Authored by Jürgen Knödlseder
1 parent 113f32e9

Add pointing pattern definition and observation list definition to obsutils. Enh… 

…ance cspull so that observation patterns can be simulated.
Inline Side-by-side
Showing 2 changed files with 90 additions and 50 deletions
scripts/cspull.py
  View file @c60d955
... ... @@ -18,8 +18,7 @@
18 18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 19 #
20 20 # ==========================================================================
21   -from ctools import *
22   -from gammalib import *
  21 +import gammalib
23 22 import obsutils
24 23 import sys
25 24 import csv
... ... @@ -29,7 +28,7 @@ import math
29 28 # ============ #
30 29 # cspull class #
31 30 # ============ #
32   -class cspull(GApplication):
  31 +class cspull(gammalib.GApplication):
33 32 """
34 33 This class implements the pull distribution generation script. It derives
35 34 from the GammaLib::GApplication class which provides support for parameter
... ... @@ -42,7 +41,7 @@ class cspull(GApplication):
42 41 """
43 42 # Set name
44 43 self.name = "cspull"
45   - self.version = "0.2.0"
  44 + self.version = "0.3.0"
46 45  
47 46 # Initialise some members
48 47 self.obs = None
... ... @@ -54,9 +53,9 @@ class cspull(GApplication):
54 53  
55 54 # Initialise application
56 55 if len(argv) == 0:
57   - GApplication.__init__(self, self.name, self.version)
  56 + gammalib.GApplication.__init__(self, self.name, self.version)
58 57 elif len(argv) ==1:
59   - GApplication.__init__(self, self.name, self.version, *argv)
  58 + gammalib.GApplication.__init__(self, self.name, self.version, *argv)
60 59 else:
61 60 raise TypeError("Invalid number of arguments given.")
62 61  
... ... @@ -87,29 +86,31 @@ class cspull(GApplication):
87 86 parfile = self.name+".par"
88 87  
89 88 try:
90   - pars = GApplicationPars(parfile)
  89 + pars = gammalib.GApplicationPars(parfile)
91 90 except:
92 91 # Signal if parfile was not found
93 92 sys.stdout.write("Parfile "+parfile+" not found. Create default parfile.\n")
94 93  
95 94 # Create default parfile
96   - pars = GApplicationPars()
97   - pars.append(GApplicationPar("srcmdl","f","a","$CTOOLS/share/models/crab.xml","","","Source model"))
98   - pars.append(GApplicationPar("outfile","f","a","pull.dat","","","Output file name"))
99   - pars.append(GApplicationPar("ntrials","i","a","10","","","Number of trials"))
100   - pars.append(GApplicationPar("caldb","s","h","","","","Calibration database"))
101   - pars.append(GApplicationPar("irf","s","a","cta_dummy_irf","","","Instrument response function"))
102   - pars.append(GApplicationPar("edisp","b","h","no","","","Apply energy dispersion?"))
103   - pars.append(GApplicationPar("ra","r","a","83.6331","0","360","RA of pointing (deg)"))
104   - pars.append(GApplicationPar("dec","r","a","22.0145","-90","90","Dec of pointing (deg)"))
105   - pars.append(GApplicationPar("emin","r","a","0.1","0.0","","Lower energy limit (TeV)"))
106   - pars.append(GApplicationPar("emax","r","a","100.0","0.0","","Upper energy limit (TeV)"))
107   - pars.append(GApplicationPar("enumbins","i","a","0","","","Number of energy bins (0=unbinned)"))
108   - pars.append(GApplicationPar("duration","r","a","180000.0","","","Effective exposure time (s)"))
109   - pars.append(GApplicationPar("deadc","r","h","0.95","","","Deadtime correction factor"))
110   - pars.append(GApplicationPar("rad","r","h","5.0","","","Radius of ROI (deg)"))
111   - pars.append(GApplicationPar("npix","i","h","200","","","Number of pixels for binned"))
112   - pars.append(GApplicationPar("binsz","r","h","0.05","","","Pixel size for binned (deg/pixel)"))
  95 + pars = gammalib.GApplicationPars()
  96 + pars.append(gammalib.GApplicationPar("srcmdl","f","a","$CTOOLS/share/models/crab.xml","","","Source model"))
  97 + pars.append(gammalib.GApplicationPar("outfile","f","a","pull.dat","","","Output file name"))
  98 + pars.append(gammalib.GApplicationPar("ntrials","i","a","10","","","Number of trials"))
  99 + pars.append(gammalib.GApplicationPar("caldb","s","a","dummy","","","Calibration database"))
  100 + pars.append(gammalib.GApplicationPar("irf","s","a","cta_dummy_irf","","","Instrument response function"))
  101 + pars.append(gammalib.GApplicationPar("edisp","b","h","no","","","Apply energy dispersion?"))
  102 + pars.append(gammalib.GApplicationPar("ra","r","a","83.6331","0","360","RA of pointing (deg)"))
  103 + pars.append(gammalib.GApplicationPar("dec","r","a","22.0145","-90","90","Dec of pointing (deg)"))
  104 + pars.append(gammalib.GApplicationPar("emin","r","a","0.1","0.0","","Lower energy limit (TeV)"))
  105 + pars.append(gammalib.GApplicationPar("emax","r","a","100.0","0.0","","Upper energy limit (TeV)"))
  106 + pars.append(gammalib.GApplicationPar("enumbins","i","a","0","","","Number of energy bins (0=unbinned)"))
  107 + pars.append(gammalib.GApplicationPar("duration","r","a","1800.0","","","Effective exposure time (s)"))
  108 + pars.append(gammalib.GApplicationPar("deadc","r","h","0.95","","","Deadtime correction factor"))
  109 + pars.append(gammalib.GApplicationPar("rad","r","h","5.0","","","Radius of ROI (deg)"))
  110 + pars.append(gammalib.GApplicationPar("pattern","s","h","single","","","Observation pattern (single/four)"))
  111 + pars.append(gammalib.GApplicationPar("offset","r","h","1.5","","","Observation pattern offset (deg)"))
  112 + pars.append(gammalib.GApplicationPar("npix","i","h","200","","","Number of pixels for binned"))
  113 + pars.append(gammalib.GApplicationPar("binsz","r","h","0.05","","","Pixel size for binned (deg/pixel)"))
113 114 pars.append_standard()
114 115 pars.save(parfile)
115 116  
... ... @@ -136,6 +137,8 @@ class cspull(GApplication):
136 137 self.m_duration = self["duration"].real()
137 138 self.m_deadc = self["deadc"].real()
138 139 self.m_rad = self["rad"].real()
  140 + self.m_pattern = self["pattern"].string()
  141 + self.m_offset = self["offset"].real()
139 142 self.m_npix = self["npix"].integer()
140 143 self.m_binsz = self["binsz"].real()
141 144  
... ... @@ -143,13 +146,12 @@ class cspull(GApplication):
143 146 self.m_log = False # Logging in client tools
144 147 self.m_debug = False # Debugging in client tools
145 148  
146   - # Setup observation
147   - self.obs = self.set_obs(ra=self.m_ra, dec=self.m_dec, \
148   - emin=self.m_emin, emax=self.m_emax)
  149 + # Setup observations
  150 + self.obs = self.set_obs()
149 151  
150 152 # Load source model
151 153 if self.m_srcmdl != None:
152   - self.model = GModels(self.m_srcmdl)
  154 + self.model = gammalib.GModels(self.m_srcmdl)
153 155  
154 156 # Append source model to observation
155 157 self.obs.models(self.model)
... ... @@ -225,34 +227,28 @@ class cspull(GApplication):
225 227 # Return
226 228 return
227 229  
228   - def set_obs(self, ra=83.6331, dec=22.0145, emin=0.1, emax=100.0):
  230 + def set_obs(self):
229 231 """
230   - Returns an observation container with a single CTA observation.
  232 + Returns an observation container with a set of CTA observations.
231 233  
232 234 Keywords:
233   - ra - Right Ascension of pointing [deg] (default: 83.6331)
234   - dec - Declination of pointing [deg] (default: 22.0145)
235   - emin - Minimum energy [TeV] (default: 0.1)
236   - emax - Maximum energy [TeV] (default: 100.0)
237 235 """
238   - # Allocate observation container
239   - obs = GObservations()
240   -
241   - # Set single pointing
242   - pntdir = GSkyDir()
243   - pntdir.radec_deg(ra, dec)
244   -
245   - # Create CTA observation
246   - run = obsutils.set(pntdir, caldb=self.m_caldb, irf=self.m_irf, \
247   - duration=self.m_duration, deadc=self.m_deadc, \
248   - emin=emin, emax=emax, rad=self.m_rad)
  236 + # Setup observation definition list
  237 + obsdeflist = obsutils.set_obs_patterns(self.m_pattern, \
  238 + ra=self.m_ra, dec=self.m_dec, \
  239 + offset=self.m_offset)
249 240  
250   - # Append observation to container
251   - obs.append(run)
  241 + # Create list of observations
  242 + obs = obsutils.set_obs_list(obsdeflist, \
  243 + tstart=0.0, duration=self.m_duration, \
  244 + deadc=self.m_deadc, \
  245 + emin=self.m_emin, emax=self.m_emax, \
  246 + rad=self.m_rad, \
  247 + irf=self.m_irf, caldb=self.m_caldb)
252 248  
253 249 # Return observation container
254 250 return obs
255   -
  251 +
256 252 def trial(self, seed):
257 253 """
258 254 Create the pull for a single trial.
... ...
scripts/obsutils.py
  View file @c60d955
... ... @@ -342,8 +342,8 @@ def set_obs(pntdir, tstart=0.0, duration=1800.0, deadc=0.95, \
342 342 gti.append(gammalib.GTime(tstart), gammalib.GTime(tstart+duration))
343 343  
344 344 # Set energy boundaries
345   - ebounds = gammalib.GEbounds()
346   - ebounds.append(gammalib.GEnergy(emin, "TeV"), gammalib.GEnergy(emax, "TeV"))
  345 + ebounds = gammalib.GEbounds(gammalib.GEnergy(emin, "TeV"), \
  346 + gammalib.GEnergy(emax, "TeV"))
347 347  
348 348 # Allocate event list
349 349 events = gammalib.GCTAEventList()
... ... @@ -465,9 +465,12 @@ def set_obs_list(obsdeflist, tstart=0.0, duration=1800.0, deadc=0.95, \
465 465 obs_cta = set_obs(pntdir, tstart=obs_start, duration=obs_duration, \
466 466 deadc=obs_deadc, emin=obs_emin, emax=obs_emax, \
467 467 rad=obs_rad, irf=obs_irf, caldb=obs_caldb, id=id)
  468 + print obs_cta.__repr__()
468 469  
469 470 # Append to container
470 471 obs.append(obs_cta)
  472 + for r in obs:
  473 + print r.__repr__()
471 474  
472 475 # Update start time and identifier
473 476 obs_start += obs_duration
... ... @@ -475,3 +478,44 @@ def set_obs_list(obsdeflist, tstart=0.0, duration=1800.0, deadc=0.95, \
475 478  
476 479 # Return observation container
477 480 return obs
  481 +
  482 +
  483 +# ============================ #
  484 +# Set CTA observation patterns #
  485 +# ============================ #
  486 +def set_obs_patterns(pattern, ra=83.6331, dec=22.0145, offset=1.5):
  487 + """
  488 + Sets a number of standard patterns.
  489 +
  490 + Parameters:
  491 + pattern - Observation pattern. Possible options are:
  492 + - "single": single pointing
  493 + - "four": four pointings 'offset' around pattern centre
  494 +
  495 + Keywords:
  496 + ra - Right Ascension of pattern centre [deg] (default: 83.6331)
  497 + dec - Declination of pattern centre [deg] (default: 22.0145)
  498 + offset - Offset from pattern centre [deg] (default: 1.5)
  499 + """
  500 + # Initialise observation definition list
  501 + obsdeflist = []
  502 +
  503 + # Add patterns
  504 + if pattern == "single":
  505 + obsdef = {'ra': ra, 'dec': dec}
  506 + obsdeflist.append(obsdef)
  507 + elif pattern == "four":
  508 + # Set pattern centre
  509 + centre = gammalib.GSkyDir()
  510 + centre.radec_deg(ra, dec)
  511 +
  512 + # Append pointings
  513 + for phi in [0.0, 90.0, 180.0, 270.0]:
  514 + pntdir = centre.copy()
  515 + pntdir.rotate_deg(phi, offset)
  516 + obsdeflist.append({'ra': pntdir.ra_deg(), 'dec': pntdir.dec_deg()})
  517 + else:
  518 + print("Warning: Observation pattern '"+str(pattern)+"' not recognized.")
  519 +
  520 + # Return observation definition list
  521 + return obsdeflist
... ...