Remove also fit() and cterror() function from "obsutils" (#1830)

These functions are not really observation utilities, and they are not really needed either since they encapsulate only a few lines of code.

Remove also fit() and cterror() function from "obsutils" (#1830)
These functions are not really observation utilities, and they are not really needed either since they encapsulate only a few lines of code.
Jürgen Knödlseder
1 parent 0a5b1abe
Showing 5 changed files with 29 additions and 106 deletions
NEWS
cscripts/cspull.py
cscripts/cssens.py
cscripts/cstsdist.py
cscripts/obsutils.py
@@ -108,8 +108,8 @@ None
 cscripts
 --------
 Added the support modules "modutils" and "ioutils" to the cscripts module
-and removed the obsolete function "cntmap()" and "modmap()" from the
-"obsutils" module (#1830).
+and removed the obsolete functions fit(), cterror(), cntmap() and modmap()
+from the "obsutils" module (#1830).
  
  
 Examples
@@ -228,17 +228,19 @@ class cspull(ctools.cscript):
         # Fit model
         if self['profile'].boolean():
             models = self._obs.models()
-            for i in range(models.size()):
-                model_name = models[i].name()
-                like       = obsutils.cterror(self._obs, model_name,
-                                              log=self._log_clients,
-                                              debug=self._logDebug(),
-                                              chatter=self._chatter)
+            for model in models:
+                like = ctools.cterror(obs)
+                like['srcname'] = model.name()
+                like['edisp']   = edisp=self._edisp
+                like['debug']   = self._logDebug()
+                like['chatter'] = self._chatter
+                like.run()
         else:
-            like = obsutils.fit(obs, edisp=self._edisp,
-                                log=self._log_clients,
-                                debug=self._logDebug(),
-                                chatter=self._chatter)
+            like = ctools.ctlike(obs)
+            like['edisp']   = edisp=self._edisp
+            like['debug']   = self._logDebug()
+            like['chatter'] = self._chatter
+            like.run()
  
         # Store results
         logL   = like.opt().value()
@@ -72,7 +72,6 @@ class cssens(ctools.cscript):
         self._max_iter    = 50
         self._num_avg     = 3
         self._log_clients = False
-        self._debug       = False
  
         # Initialise application by calling the appropriate class
         # constructor.
@@ -117,8 +116,8 @@ class cssens(ctools.cscript):
         self._num_avg  = self['num_avg'].integer()
         self._type     = self['type'].string()
  
-        # Set some fixed parameters
-        self._debug = self['debug'].boolean() # Debugging in client tools
+        # Query remaining parameters
+        self['debug'].boolean()
  
         # Derive some parameters
         self._ebounds = gammalib.GEbounds(self._bins,
@@ -347,7 +346,8 @@ class cssens(ctools.cscript):
             # Simulate events
             sim = obsutils.sim(self._obs, nbins=self._enumbins, seed=iterations,
                                binsz=self._binsz, npix=self._npix,
-                               log=self._log_clients, debug=self._debug,
+                               log=self._log_clients,
+                               debug=self['debug'].boolean(),
                                edisp=self._edisp)
  
             # Determine number of events in simulation
@@ -363,8 +363,11 @@ class cssens(ctools.cscript):
                 self._log('\n')
  
             # Fit test source
-            fit = obsutils.fit(sim, log=self._log_clients, debug=self._debug,
-                               edisp=self._edisp)
+            fit = ctools.ctlike(sim)
+            fit['edisp']   = edisp=self._edisp
+            fit['debug']   = self['debug'].boolean()
+            fit['chatter'] = self['chatter'].integer()
+            fit.run()
  
             # Get model fitting results
             logL   = fit.opt().value()
@@ -165,8 +165,10 @@ class cstsdist(ctools.cscript):
             self._log('\n')
  
         # Fit model
-        fit = obsutils.fit(sim, log   = self._log_clients,
-                                debug = self['debug'].boolean())
+        fit = ctools.ctlike(sim)
+        fit['debug']   = self['debug'].boolean()
+        fit['chatter'] = self['chatter'].integer()
+        fit.run()
  
         # Get model fitting results
         logL   = fit.opt().value()
@@ -193,90 +193,6 @@ def sim(obs, log=False, debug=False, chatter=2, edisp=False, seed=0,
     return obs
  
  
-# ================ #
-# Fit observations #
-# ================ #
-def fit(obs, log=False, debug=False, chatter=2, edisp=False):
-    """
-    Perform maximum likelihood fitting of observations in the container
-
-    Parameters
-    ----------
-    obs : `~gammalib.GObservations`
-        Observation container
-    log : bool, optional
-        Create log file(s)
-    debug : bool, optional
-        Create console dump?
-    chatter : int, optional
-        Chatter level
-    edisp : bool, optional
-        Apply energy dispersion?
-
-    Returns
-    -------
-    like : `~ctools.ctlike`
-        ctlike application
-    """
-    # Allocate ctlike application and set parameters
-    like = ctools.ctlike(obs)
-    like['debug']   = debug
-    like['chatter'] = chatter
-    like['edisp']   = edisp
-
-    # Optionally open the log file
-    if log:
-        like.logFileOpen()
-
-    # Run ctlike application.
-    like.run()
-
-    # Return observations
-    return like
-
-
-# ============================================================== #
-# Fit observations and determine errors using likelihood profile #
-# ============================================================== #
-def cterror(obs, srcname, log=False, debug=False, chatter=2):
-    """
-    Fit observations and determine errors using likelihood profile
-
-    Parameters
-    ----------
-    obs : `~gammalib.GObservations`
-        Observation container
-    srcname : str
-        Source name
-    log : bool, optional
-        Create log file(s)
-    debug : bool, optional
-        Create console dump?
-    chatter : int, optional
-        Chatter level
-
-    Returns
-    -------
-    error : `~ctools.cterror`
-        cterror application
-    """
-    # Allocate cterror application and set parameters
-    error = ctools.cterror(obs)
-    error['srcname'] = srcname
-    error['debug']   = debug
-    error['chatter'] = chatter
-
-    # Optionally open the log file
-    if log:
-        error.logFileOpen()
-
-    # Run cterror application.
-    error.run()
-
-    # Return observations
-    return error
-
-
 # ======================= #
 # Set one CTA observation #
 # ======================= #
@@ -640,8 +556,8 @@ def get_stacked_response(obs, xref, yref, binsz=0.05, nxpix=200, nypix=200,
     result : dict
         Dictionary of response cubes
     """
-    # Compute spatial binning for point spread function and
-    # energy dispersion cubes
+    # Compute spatial binning for point spread function and energy dispersion
+    # cubes
     psf_binsz = 10.0 * binsz
     psf_nxpix = min(nxpix // 10, 2)  # Make sure result is int
     psf_nypix = min(nypix // 10, 2)  # Make sure result is int