Changeset 258

Timestamp:

01/21/05 22:31:17 (19 years ago)

Author:

mar637

Message:

*renaming all -> allaxes

• added rcParams

File:

• trunk/python/asapmath.py (modified) (16 diffs)

trunk/python/asapmath.py

@@ -1 +1 @@
 from scantable import scantable
+from asap import rcParams
 
 def average_time(*args, **kwargs):
@@ -23 +24 @@
     if kwargs.has_key('scanav'):
        scanAv = kwargs.get('scanav')
-#
+
     weight = 'none'
     if kwargs.has_key('weight'):
        weight = kwargs.get('weight')
-#
+
     mask = ()
     if kwargs.has_key('mask'):
         mask = kwargs.get('mask')
-#
+
     lst = tuple(args)
     from asap._asap import average as _av
@@ -56 +57 @@
     return scantable(_quot(source, reference, preserve))
 
-def b_operate(left, right, op='add'):
+def simple_math(left, right, op='add'):
     """
     Apply simple mathematical binary operations to two 
@@ -66 +67 @@
         op:            the operation: 'add' (default), 'sub', 'mul', 'div'
     """
+    if not isinstance(left,scantable) and not isinstance(right,scantable):
+        print "Please provide two scantables as input"
+        return
     from asap._asap import b_operate as _bop
     return scantable(_bop(left, right, op))
 
-def scale(scan, factor, insitu=False, all=True):
+def scale(scan, factor, insitu=None, allaxes=None):
     """
     Return a scan where all spectra are scaled by the give 'factor'
@@ -75 +79 @@
         scan:        a scantable
         factor:      the scaling factor
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the scaling is done in-situ
-        all:         if True (default) apply to all spectra. Otherwise
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+        allaxes:     if True apply to all spectra. Otherwise
+                     apply only to the selected (beam/pol/if)spectra only.
+                     The default is taken from .asaprc (True)
+    """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
+    if insitu is None: insitu = rcParams['insitu']
+    if not insitu:
+        from asap._asap import scale as _scale
+        return scantable(_scale(scan, factor, allaxes))
+    else:
+        from asap._asap import scale_insitu as _scale
+        _scale(scan, factor, allaxes)
+        return
+        
+
+def add(scan, offset, insitu=None, allaxes=None):
+    """
+    Return a scan where all spectra have the offset added
+    Parameters:
+        scan:        a scantable
+        offset:      the offset
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+        allaxes:     if True apply to all spectra. Otherwise
                      apply only to the selected (beam/pol/if)spectra only
-    """
-    if not insitu:
-        from asap._asap import scale as _scale
-        return scantable(_scale(scan, factor, all))
-    else:
-        from asap._asap import scale_insitu as _scale
-        _scale(scan, factor, all)
+                     The default is taken from .asaprc (True)
+    """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
+    if insitu is None: insitu = rcParams['insitu']
+    if not insitu:
+        from asap._asap import add as _add
+        return scantable(_add(scan, offset, allaxes))
+    else:
+        from asap._asap import add_insitu as _add
+        _add(scan, offset, allaxes)
         return
         
-
-def add(scan, offset, insitu=False, all=True):
-    """
-    Return a scan where all spectra have the offset added
-    Parameters:
-        scan:        a scantable
-        offset:      the offset
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the addition is done in-situ
-        all:         if True (default) apply to all spectra. Otherwise
-                     apply only to the selected (beam/pol/if)spectra only
-    """
-    if not insitu:
-        from asap._asap import add as _add
-        return scantable(_add(scan, offset, all))
-    else:
-        from asap._asap import add_insitu as _add
-        _add(scan, offset, all)
-        return
-        
-def convert_flux(scan, area, eta=1.0, insitu=False, all=True):
+def convert_flux(scan, area, eta=1.0, insitu=None, allaxes=None):
     """
     Return a scan where all spectra are converted to either Jansky or Kelvin
@@ -116 +128 @@
         area:        the illuminated area of the telescope (m**2)
         eta:         The efficiency of the telescope (default 1.0)        
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the conversion is done in-situ
-        all:         if True (default) apply to all spectra. Otherwise
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+        allaxes:         if True apply to all spectra. Otherwise
                      apply only to the selected (beam/pol/if)spectra only
-    """
+                     The default is taken from .asaprc (True)
+    """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import convertflux as _convert
-        return scantable(_convert(scan, area, eta, all))
+        return scantable(_convert(scan, area, eta, allaxes))
     else:
         from asap._asap import convertflux_insitu as _convert
-        _convert(scan, area, eta, all)
-        return
-
-def gain_el(scan, poly=None, filename="", method="linear", insitu=False, all=True):
+        _convert(scan, area, eta, allaxes)
+        return
+
+def gain_el(scan, poly=None, filename="", method="linear", insitu=None, allaxes=None):
     """
     Return a scan after applying a gain-elevation correction. The correction
@@ -140 +156 @@
     Parameters:
         scan:        a scantable
-        poly:        Polynomial coefficients (default None) to compute a gain-elevation
-                     correction as a function of elevation (in degrees).
+        poly:        Polynomial coefficients (default None) to compute a
+                     gain-elevation correction as a function of
+                     elevation (in degrees).
         filename:    The name of an ascii file holding correction factors.
                      The first row of the ascii file must give the column 
                      names and these MUST include columns
-                     "ELEVATION" (degrees) and "FACTOR" (multiply data by this) somewhere.
-                     The second row must give the data type of the column. Use 'R' for 
-                     Real and 'I' for Integer.  An example file would be:
+                     "ELEVATION" (degrees) and "FACTOR" (multiply data by this)
+                     somewhere.
+                     The second row must give the data type of the column. Use
+                     'R' for Real and 'I' for Integer.  An example file
+                     would be:
 
                      TIME ELEVATION FACTOR
@@ -159 +178 @@
         method:      Interpolation method when correcting from a table. Values 
                      are  "nearest", "linear" (default), "cubic" and "spline"
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the conversion is done in-situ
-        all:         if True (default) apply to all spectra. Otherwise
-                     apply only to the selected (beam/pol/if)spectra only
-    """
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+        allaxes:         if True apply to all spectra. Otherwise
+                     apply only to the selected (beam/pol/if) spectra only
+                     The default is taken from .asaprc (True)
+    """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
     if poly is None:
        poly = ()
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import gainel as _gainEl
-        return scantable(_gainEl(scan, poly, filename, method, all))
+        return scantable(_gainEl(scan, poly, filename, method, allaxes))
     else:
         from asap._asap import gainel_insitu as _gainEl
-        _gainEl(scan, poly, filename, method, all)
+        _gainEl(scan, poly, filename, method, allaxes)
         return
         
-def opacity(scan, tau, insitu=False, all=True):
+def opacity(scan, tau, insitu=None, allaxes=None):
     """
     Return a scan after applying an opacity correction.
@@ -181 +204 @@
         tau:         Opacity from which the correction factor is exp(tau*ZD)
                      where ZD is the zenith-distance
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the conversion is done in-situ
-        all:         if True (default) apply to all spectra. Otherwise
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+        allaxes:     if True apply to all spectra. Otherwise
                      apply only to the selected (beam/pol/if)spectra only
-    """
+                     The default is taken from .asaprc (True)
+    """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import opacity as _opacity
-        return scantable(_opacity(scan, tau, all))
+        return scantable(_opacity(scan, tau, allaxes))
     else:
         from asap._asap import opacity_insitu as _opacity
-        _opacity(scan, tau, all)
+        _opacity(scan, tau, allaxes)
         return
         
-def bin(scan, width=5, insitu=False):
+def bin(scan, width=5, insitu=None):
     """
     Return a scan where all spectra have been binned up
         width:       The bin width (default=5) in pixels
-        insitu:      if False (default) a new scantable is returned.
-                     Otherwise, the addition is done in-situ
-    """
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
+    """
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import bin as _bin
@@ -209 +238 @@
         return
 
-def average_pol(scan, mask=None, insitu=False):
+def average_pol(scan, mask=None, insitu=None):
     """
     Average the Polarisations together.
@@ -217 +246 @@
                      averaging will be applied. The output will have all 
                      specified points masked. 
-        insitu:      If False (default) a new scantable is returned.
-                     Otherwise, the averaging is done in-situ
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
     Example:
         polav = average_pols(myscan)
@@ -224 +254 @@
     if mask is None:
         mask = ()
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import averagepol as _avpol
@@ -232 +263 @@
         return
     
-def smooth(scan, kernel="hanning", width=5.0, insitu=False, all=True):
+def smooth(scan, kernel="hanning", width=5.0, insitu=None, allaxes=None):
     """
     Smooth the spectrum by the specified kernel (conserving flux).
@@ -244 +275 @@
                     For 'gaussian' it is the Full Width Half
                     Maximum. For 'boxcar' it is the full width.
-        insitu:     If False (default) a new scantable is returned.
+        insitu:     if False a new scantable is returned.
                     Otherwise, the scaling is done in-situ
-        all:        If True (default) apply to all spectra. Otherwise
+                    The default is taken from .asaprc (False)
+        allaxes:    If True (default) apply to all spectra. Otherwise
                     apply only to the selected (beam/pol/if)spectra only
+                    The default is taken from .asaprc (True)
     Example:
          none
     """
+    if allaxes is None: allaxes = rcParams['scantable.allaxes']
+    if insitu is None: insitu = rcParams['insitu']
     if not insitu:
         from asap._asap import smooth as _smooth
-        return scantable(_smooth(scan,kernel,width,all))
+        return scantable(_smooth(scan,kernel,width,allaxes))
     else:
         from asap._asap import smooth_insitu as _smooth
-        _smooth(scan,kernel,width,all)
+        _smooth(scan,kernel,width,allaxes)
         return
     
-def poly_baseline(scan, mask=None, order=0):
+def poly_baseline(scan, mask=None, order=0, insitu=None):
     """
     Return a scan which has been baselined (all rows) by a polynomial. 
@@ -266 +301 @@
         mask:    an optional mask
         order:   the order of the polynomial (default is 0)
+        insitu:      if False a new scantable is returned.
+                     Otherwise, the scaling is done in-situ
+                     The default is taken from .asaprc (False)
     Example:
         # return a scan baselined by a third order polynomial,
@@ -279 +317 @@
     f.set_scan(scan, mask)
     f.set_function(poly=order)    
-    sf = f.auto_fit()
+    sf = f.auto_fit(insitu)
     return sf