Changeset 1679 for branches/alma

Timestamp:

01/29/10 14:02:29 (14 years ago)

Author:

Takeshi Nakazato

Message:

New Development: No

JIRA Issue: Yes CAS-1823

Ready to Release: No

Interface Changes: Yes

What Interface Changed: Added new function asapmath._array2dOp

Test Programs: List test programs

Put in Release Notes: No

Module(s): Module Names change impacts.

Description: Describe your changes here...

I have defined a new function asapmath._array2dOp() which performs
an operation (add, sub, mul, div) of scantable with 2d list (float or
int).

File:

• branches/alma/python/asapmath.py (modified) (1 diff)

branches/alma/python/asapmath.py

@@ -1047 +1047 @@
     os.system('rm -rf '+tmpms)
     return outfiles
+
+def _array2dOp( scan, value, mode="ADD", tsys=False ):
+    """
+    This function is workaround on the basic operation of scantable
+    with 2 dimensional float list.
+
+    scan:    scantable operand
+    value:   float list operand
+    mode:    operation mode (ADD, SUB, MUL, DIV)
+    tsys:    if True, operate tsys as well 
+    """
+    nrow = scan.nrow()
+    s = None
+    if len( value ) != nrow:
+        asaplog.push( 'len(value) must conform to scan.nrow()' )
+        print_log( 'ERROR' )
+    else:
+        from asap._asap import stmath
+        stm = stmath()
+        # insitu must be True 
+        stm._setinsitu( True )
+        s = scan.copy()
+        sel = selector()
+        for irow in range( nrow ):
+            sel.set_rows( irow )
+            s.set_selection( sel )
+            if len( value[irow] ) == 1:
+                stm._unaryop( s, value[irow][0], mode, tsys )
+            else:
+                stm._arrayop( s, value[irow], mode, tsys, 'channel' )
+            s.set_selection()
+            sel.reset()
+        del sel
+        del stm
+    return s
+
+            
+