casa6

import sys

import os

import string

import time

import viewertool

from casa_stack_manip import stack_frame_find

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class __msview_class(object):

    "msview() task with local state for created viewer tool"

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    def __init__( self ):

        self.local_vi = None

        self.local_ving = None

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    def __call__(self, infile=None,displaytype=None,channel=None,zoom=None,outfile=None,outscale=None,outdpi=None,outformat=None,outlandscape=None,gui=None):

        """ The msview will display measurement sets in raster form

        Many display and editing options are available.

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        examples of usage:

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        msview

        msview "mymeasurementset.ms"

        msview "myrestorefile.rstr"

        Executing the msview task will bring up a display panel

        window, which can be resized.  If no data file was specified,

        a Load Data window will also appear.  Click on the desired data

        file and choose the display type; the rendered data should appear

        on the display panel.

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        A Data Display Options window will also appear.  It has drop-down

        subsections for related options, most of which are self-explanatory.

        The state of the msview task -- loaded data and related display

        options -- can be saved in a 'restore' file for later use.

        You can provide the restore filename on the command line or

        select it from the Load Data window.

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        See the cookbook for more details on using the msview task.

        Keyword arguments:

        infile -- Name of file to visualize

            default: ''

            example: infile='my.ms'

            If no infile is specified the Load Data window

            will appear for selecting data.

        displaytype -- (optional): method of rendering data

            visually (raster, contour, vector or marker).  

            You can also set this parameter to 'lel' and

            provide an lel expression for infile (advanced).

            default: 'raster'

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        Note: there is no longer a filetype parameter; typing of

        data files is now done automatically.

                example:  msview infile='my.ms'

            obsolete: msview infile='my.ms', filetype='ms'

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        """

                myf=stack_frame_find( )

                vi = myf['vi'] if myf.has_key('vi') else None

                ving = myf['ving'] if myf.has_key('ving') else None