Changeset 2387 for trunk/python

Timestamp:

12/26/11 12:09:26 (13 years ago)

Author:

Takeshi Nakazato

Message:

New Development: No

JIRA Issue: Yes CAS-2816

Ready for Test: Yes

Interface Changes: No

What Interface Changed: Please list interface changes

Test Programs: List test programs

Put in Release Notes: Yes/No

Module(s): Module Names change impacts.

Description: Describe your changes here...

During plot, open input data only when it is necessary.

File:

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

trunk/python/asapgrid.py

@@ -79 +79 @@
 
     def get( self ):
-        self.tablein = scantable( self.infile, average=False )
-        if self.ifno < 0:
-            ifno = self.tablein.getif(0)
-            print 'ifno=',ifno
-        else:
-            ifno = self.ifno
-        sel = selector()
-        sel.set_ifs( ifno )
-        self.tablein.set_selection( sel ) 
-        self.nchan = len(self.tablein._getspectrum(0))
-        self.nrow = self.tablein.nrow() 
-        del sel
-
         s = scantable( self.outfile, average=False )
+        self.nchan = len(s._getspectrum(0))
         nrow = s.nrow()
         pols = numpy.ones( nrow, dtype=int )
@@ -150 +138 @@
         # plot observed position
         if plotobs:
+            self.createTableIn()
             irow = 0 
             while ( irow < self.nrow ):
@@ -168 +157 @@
         pl.title( title )
 
+    def createTableIn( self ):
+        self.tablein = scantable( self.infile, average=False )
+        if self.ifno < 0:
+            ifno = self.tablein.getif(0)
+            print 'ifno=',ifno
+        else:
+            ifno = self.ifno
+        sel = selector()
+        sel.set_ifs( ifno )
+        self.tablein.set_selection( sel ) 
+        self.nchan = len(self.tablein._getspectrum(0))
+        self.nrow = self.tablein.nrow() 
+        del sel
+        
+
     def getPointingChunk( self, irow ):
         numchunk = 1000