Changeset 1338

Timestamp:

04/20/07 10:49:11 (18 years ago)

Author:

mar637

Message:

Added matched pair auto_quotient and made it the default 'mode'

File:

• trunk/python/scantable.py (modified) (3 diffs)

trunk/python/scantable.py

@@ -1438 +1438 @@
             return s
 
-    def auto_quotient(self, mode='time', preserve=True):
+    def auto_quotient(self, mode='paired', preserve=True):
         """
         This function allows to build quotients automatically.
@@ -1445 +1445 @@
         It will support "closest off in time" in the future
         Parameters:
-            mode:           the on/off detection mode; 'suffix' (default)
-                            'suffix' identifies 'off' scans by the
-                            trailing '_R' (Mopra/Parkes) or
-                            '_e'/'_w' (Tid)
+            mode:           the on/off detection mode 
+                            'paired' (default)
+                               identifies 'off' scans by the
+                               trailing '_R' (Mopra/Parkes) or
+                               '_e'/'_w' (Tid) and matches
+                               on/off pairs from the observing pattern
+                            'time'
+                               finds the closest off in time
             preserve:       you can preserve (default) the continuum or
                             remove it.  The equations used are
@@ -1454 +1458 @@
                             remove:   Output = Toff * (on/off) - Ton
         """
-        modes = ["time"]
+        modes = ["time", "suffix"]
         if not mode in modes:
             msg = "please provide valid mode. Valid modes are %s" % (modes)
             raise ValueError(msg)
         varlist = vars()
-        s = scantable(self._math._auto_quotient(self, mode, preserve))
+        s = None
+        if mode.lower() == "suffix":
+            basesel = self.get_selection()
+            sel = selector()
+            self.set_selection(basesel+sel)
+            offs = self.copy()
+            sel.set_query("SRCTYPE==0")
+            self.set_selection(basesel+sel)
+            ons = self.copy()
+            s = scantable(self._math._quotient(ons, offs, preserve))
+            self.set_selection(basesel)
+        elif mode.lower() == "time":
+            s = scantable(self._math._auto_quotient(self, mode, preserve))
         s._add_history("auto_quotient", varlist)
         print_log()