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0.1.82 plotms

Requires:

Synopsis
A plotter/interactive flagger for visibility data.

Description

Task for plotting and interacting with visibility data. Limited support for caltable plotting is also included as of CASA v4.1.

A variety of axes choices (including data column) along with MS selection and averaging options are provided for data selection. Flag extension parameters are also available for flagging operations in the plotter.

All of the provided parameters can also be set using the GUI once the application has been launched. Additional and more specific operations are available through the GUI and/or through the plotms tool (pm).

Most basic functions (plotting, iteration, locate, flagging) will work for most CalTables. Parameterized CalTables (delays, antpos, gaincurve, opacity), will, at best, currently just plot the simple parameters contained in the table, not the effective amplitudes or phases sampled at observing times, frequencies etc. BPOLY and GSPLINE tables are not yet supported. Features currently unsupported for CalTables include Averaging, Transformations (velocity conversions, etc.), and some details of selection (channel and polarization selection are not yet enabled) and axes choices (geometry options are not yet enabled). In the plotms gui, many options irrelevant for CalTables are not yet hidden when interacting with a CalTable, and such settings will be ignored (when benign) or cause an error message.



Arguments





Inputs

vis

input MS (or CalTable) (blank for none)

allowed:

string

Default:

gridrows

Number of subplot rows (default 1).

allowed:

int

Default:

1

gridcols

Number of subplot columns (default 1).

allowed:

int

Default:

1

rowindex

Row location of the plot (0-based, default 0)

allowed:

int

Default:

0

colindex

Column location of the plot (0-based, default 0)

allowed:

int

Default:

0

plotindex

Index to address a subplot (0-based, default 0)

allowed:

int

Default:

0

xaxis

plot x-axis (blank for default/current)

allowed:

string

Default:

xdatacolumn

data column to use for x-axis (blank for default/current)

allowed:

string

Default:

yaxis

plot y-axis (blank for default/current)

allowed:

any

Default:

variant

ydatacolumn

data column to use for y-axis (blank for default/current)

allowed:

any

Default:

variant

yaxislocation

whether to use a left or right y-axis for the data (blank for default)

allowed:

any

Default:

variant

selectdata

data selection parameters

allowed:

bool

Default:

True

field

field names or field index numbers (blank for all)

allowed:

string

Default:

spw

spectral windows:channels (blank for all)

allowed:

string

Default:

timerange

time range (blank for all)

allowed:

string

Default:

uvrange

uv range (blank for all)

allowed:

string

Default:

antenna

antenna/baselines (blank for all)

allowed:

string

Default:

scan

scan numbers (blank for all)

allowed:

string

Default:

correlation

correlations (blank for all)

allowed:

string

Default:

array

(sub)array numbers (blank for all)

allowed:

string

Default:

observation

observation ID(s) (blank for all)

allowed:

any

Default:

variant

intent

observing intent (blank for all)

allowed:

string

Default:

feed

Select feed (blank for all)

allowed:

string

Default:

msselect

MS selection (blank for all)

allowed:

string

Default:

averagedata

data averaging parameters

allowed:

bool

Default:

True

avgchannel

average over channel? (blank = False, otherwise value in channels)

allowed:

string

Default:

avgtime

average over time? (blank = False, other value in seconds)

allowed:

string

Default:

avgscan

only valid if time averaging is turned on. average over scans?

allowed:

bool

Default:

False

avgfield

only valid if time averaging is turned on. average over fields?

allowed:

bool

Default:

False

avgbaseline

average over all baselines? (mutually exclusive with avgantenna)

allowed:

bool

Default:

False

avgantenna

average by per-antenna? (mutually exclusive with avgbaseline)

allowed:

bool

Default:

False

avgspw

average over all spectral windows?

allowed:

bool

Default:

False

scalar

Do scalar averaging?

allowed:

bool

Default:

False

transform

transform data in various ways?

allowed:

bool

Default:

True

freqframe

the frame in which to render frequency and velocity axes

allowed:

string

Default:

restfreq

Rest frequency to use for velocity conversions

allowed:

string

Default:

veldef

the definition in which to render velocity

allowed:

string

Default:

RADIO

shift

Adjust phases by this approximate phase center shift [dx,dy] (arcsec)

allowed:

doubleArray

Default:

0.00.0

extendflag

have flagging extend to other data points?

allowed:

bool

Default:

False

extcorr

extend flags based on correlation?

allowed:

bool

Default:

False

extchannel

extend flags based on channel?

allowed:

bool

Default:

False

iteraxis

the axis over which to iterate

allowed:

string

Default:

xselfscale

If true, iterated plots should share a common x-axis label per column.

allowed:

bool

Default:

False

yselfscale

If true, iterated plots should share a common y-axis label per row.

allowed:

bool

Default:

False

xsharedaxis

Plots should share a common x-axis. Must also set xselfscale=True.

allowed:

bool

Default:

False

ysharedaxis

Plots should share a common y-axis. Must also set yselfscale=True.

allowed:

bool

Default:

False

customsymbol

set a custom symbol(s) for unflagged points

allowed:

any

Default:

variant False

symbolshape

shape of plotted unflagged symbols

allowed:

any

Default:

variant autoscaling

symbolsize

size of plotted unflagged symbols

allowed:

any

Default:

variant 2

symbolcolor

color of plotted unflagged symbols

allowed:

any

Default:

variant 0000ff

symbolfill

fill type of plotted unflagged symbols

allowed:

any

Default:

variant fill

symboloutline

selects outlining plotted unflagged points

allowed:

any

Default:

variant False

coloraxis

selects which data to use for colorizing

allowed:

any

Default:

variant

customflaggedsymbol

set a custom plot symbol for flagged points

allowed:

any

Default:

variant False

flaggedsymbolshape

shape of plotted flagged symbols

allowed:

any

Default:

variant circle

flaggedsymbolsize

size of plotted flagged symbols

allowed:

any

Default:

variant 2

flaggedsymbolcolor

color of plotted flagged symbols

allowed:

any

Default:

variant ff0000

flaggedsymbolfill

fill type of plotted flagged symbols

allowed:

any

Default:

variant fill

flaggedsymboloutline

selects outlining plotted flagged points

allowed:

any

Default:

variant False

plotrange

plot axes ranges: [xmin,xmax,ymin,ymax]

allowed:

doubleArray

Default:

title

Title written along top of plot

allowed:

string

Default:

titlefont

Font for plot title

allowed:

int

Default:

0

xlabel

Text for horizontal axis. Blank for default.

allowed:

string

Default:

xaxisfont

Font for plot x-axis

allowed:

int

Default:

0

ylabel

Text for vertical axis. Blank for default.

allowed:

string

Default:

yaxisfont

Font for plot y-axis.

allowed:

int

Default:

0

showmajorgrid

Show major grid lines (horiz and vert.)

allowed:

bool

Default:

False

majorwidth

Line width in pixels of major grid lines

allowed:

int

Default:

1

majorstyle

Major grid line style: solid dash dot none

allowed:

string

Default:

majorcolor

Color as name or hex code of major grid lines

allowed:

string

Default:

B0B0B0

showminorgrid

Show minor grid lines (horiz and vert.)

allowed:

bool

Default:

False

minorwidth

Line width in pixels of minor grid lines

allowed:

int

Default:

1

minorstyle

Minor grid line style: solid dash dot none

allowed:

string

Default:

minorcolor

Color as name or hex code of minor grid lines

allowed:

string

Default:

D0D0D0

showlegend

Show a legend on the plot.

allowed:

bool

Default:

False

legendposition

Legend position.

allowed:

string

Default:

plotfile

Name of plot file to save automatically.

allowed:

string

Default:

expformat

Export format type (jpg, png, ps, pdf, txt), if not provided, plotfile extension will be used.

allowed:

string

Default:

exprange

Export all iteration plots or only the current one.

allowed:

string

Default:

highres

Use high resolution

allowed:

bool

Default:

False

dpi

DPI of exported plot

allowed:

int

Default:

-1

width

Width of exported plot

allowed:

int

Default:

-1

height

Height of exported plot

allowed:

int

Default:

-1

overwrite

Overwrite plot file if it already exists?

allowed:

bool

Default:

False

showgui

Show GUI

allowed:

bool

Default:

True

clearplots

Remove any existing plots so new ones can replace them.

allowed:

bool

Default:

True

callib

Calibration library string or filename for on-the-fly calibration.

allowed:

stringArray

Default:

Returns
void

Example

 
 
        Task for plotting and interacting with visibility  
        data.  Limited support for caltable plotting is also  
        included as of CASA v4.1.  
 
        A variety of axes choices (including data column) along  
        with MS selection and averaging options are provided for data  
        selection.  Flag extension parameters are also available for  
        flagging operations in the plotter.  
 
        All of the provided parameters can also be set using the GUI once  
        the application has been launched.  Additional and more specific  
        operations are available through the GUI and/or through the plotms  
        tool (pm).  
 
        Most basic functions (plotting, iteration, locate, flagging)  
        will work for most CalTables. Parameterized CalTables  
        (delays, antpos, gaincurve, opacity), will, at best, currently  
        just plot the simple parameters contained in the  
        table, not the effective amplitudes or phases sampled at  
        observing times, frequencies etc.  BPOLY and GSPLINE tables  
        are not yet supported.   Features currently unsupported for  
        CalTables include Averaging, Transformations (velocity  
        conversions, etc.), and some details of selection (channel and  
        polarization selection are not yet enabled) and axes choices  
        (geometry options are not yet enabled).  In the plotms gui,  
        many options irrelevant for CalTables are not yet hidden when  
        interacting with a CalTable, and such settings will be ignored  
        (when benign) or cause an error message.  
 
    Keyword arguments:  
    vis -- input MS or CalTable  
           default: ’’  (will merely launch the gui)  
    gridrows -- Number of subplot rows  
     default: 1  
    gridcols -- Number of subplot columns  
     default: 1  
    rowindex -- Row location of the subplot (0-based).  
                    default: 0  
    colindex -- Column location of the subplot (0-based).  
                    default: 0  
    plotindex -- Index to address a subplot (0-based).  
     default: 0  
    xaxis, yaxis -- what to plot on the two axes  
                    default: ’’ (defaults are xaxis=’time’,  
                                 yaxis=’amp’ on first execution;  
                                 thereafter the most recent  
                                 settings are used)  
              valid options (=indicates valid synonyms):  
               MS Ids and other meta info:  
                 ’scan’   (number)  
                 ’field’  (index)  
                 ’time’,  
                 ’interval’=’timeint’=’timeinterval’=’time_interval’  
                 ’spw’    (index)  
                 ’chan’=’channel’    (index)  
                 ’freq’=’frequency’  (GHz)  
                 ’vel’=’velocity’   (km/s)  
                 ’corr’=’correlation’  (index)  
                 ’ant1’=’antenna1’   (index)  
                 ’ant2’=’antenna2’   (index)  
                 ’baseline’  (a baseline index)  
                 ’row’   (absoute row Id from the MS)  
                 ’observation’ (index)  
                 ’intent’      (index)  
                 ’feed1’       (index)  
                 ’feed2’       (index)  
               Visibility values, flags:  
                 ’amp’=’amplitude’  
                 ’phase’  (deg)  
                 ’real’  
                 ’imag’=’imaginary’  
                 ’wt’=’weight’  (unchannelized)  
                 ’wtsp’=’weightspectrum’  
                 ’flag’  
                 ’flagrow’  
               Observational geometry:  
                 ’uvdist’  (meters)  
                 ’uvwave’=’uvdistl’=’uvdist_l’  (wavelengths, per channel)  
                 ’u’  (meters)  
                 ’v’  (meters)  
                 ’w’  (meters)  
                 ’uwave’  (’u’ in wavelengths, per channel)  
                 ’vwave’  (’v’ in wavelengths, per channel)  
                 ’wwave’  (’w’ in wavelengths, per channel)  
                 ’azimuth’  (at array reference; degrees)  
                 ’elevation’  (at array reference; degrees)  
                 ’hourang’=’hourangle’  (at array reference; hours)  
                 ’parang’=’parangle’=’parallacticangle’  (at array reference; degrees)  
               Antenna-based (only works vs. data Ids):  
                 ’ant’=’antenna’  
                 ’ant-azimuth’  
                 ’ant-elevation’  
                 ’ant-parang’=’ant-parangle’  
               Calibration:  
                 ’gainamp’=’gamp’  
                 ’gainphase’=’gphase’  
                 ’gainreal’=’greal’  
                 ’gainimag’=’gimag’  
                 ’delay’=’del’  
                 ’opacity’=’opac’  
                 ’swpower’=’swp’=’switchedpower’=’spgain’  
 
 
      >>> xaxis, yaxis expandable parameters  
        xdatacolumn,  
        ydatacolumn  -- which data column to use for Visibility values:  
                        default: ’’ (’data’ on first execuation;  
                                     thereafter the most recent  
                                     setting is used)  
                        valid options:  ’data’      (observed)  
                                        ’corrected’=’corr’  
                                        ’model’  
                                        ’residual’  (aliases ’corrected-model’)  
                                        ’corrected-model’  
                                        ’data-model’  
                                        ’float’  
 
    selectdata -- data selection parameters flag  
                  default: True  (reveals data selection parameters  
                                  described below)  
                  Consult listobs output for data selection values,  
                  and see help par.selectdata for more detailed  
                  information on syntax; also, visit  
                  http://casa.nrao.edu/other_doc.shtml and click  
                  on "Measurement Set selection syntax" for more  
                  tips on using data selection parameters in CASA)  
 
      >>> selectdata expandable parameters:  
 
      field -- Select field using field id(s) or field name(s).  
              default: ’’=all fields  
              If field string is a non-negative integer, it is assumed a  
                field index,  otherwise, it is assumed a field name  
              field=’0~2’; field ids 0,1,2  
              field=’0,4,5~7’; field ids 0,4,5,6,7  
              field=’3C286,3C295’; field named 3C286 and 3C295  
              field = ’3,4C*’; field id 3, all names starting with 4C  
      spw -- Select spectral window/channels  
               type ’help par.selection’ for more examples.  
             spw=’0~2,4’; spectral windows 0,1,2,4 (all channels)  
             spw=’<2’;  spectral windows less than 2 (i.e. 0,1)  
             spw=’0:5~61’; spw 0, channels 5 to 61, INCLUSIVE  
             spw=’*:5~61’; all spw with channels 5 to 61  
             spw=’0,10,3:3~45’; spw 0,10 all channels, spw 3, channels 3 to 45.  
             spw=’0~2:2~6’; spw 0,1,2 with channels 2 through 6 in each.  
             spw=’0:0~10;15~60’; spectral window 0 with channels 0-10,15-60  
                       NOTE ’;’ to separate channel selections  
 
      timerange  -- Select data based on time range:  
              default = ’’ (all); examples,  
              timerange = ’YYYY/MM/DD/hh:mm:ss~YYYY/MM/DD/hh:mm:ss’  
              Note: if YYYY/MM/DD is missing date defaults to first day in data set  
              timerange=’09:14:0~09:54:0’ picks 40 min on first day  
              timerange= ’25:00:00~27:30:00’ picks 1 hr to 3 hr 30min on NEXT day  
              timerange=’09:44:00’ pick data within one integration of time  
              timerange=’>10:24:00’ data after this time  
      uvrange -- Select data within uvrange (default units meters)  
              default: ’’ (all); example:  
              uvrange=’0~1000klambda’; uvrange from 0-1000 kilo-lambda  
              uvrange=’>4klambda’;uvranges greater than 4 kilo lambda  
 
      antenna -- Select data based on antenna/baseline  
              default: ’’ (all, including auto-correlations, if present)  
              If antenna string is a non-negative integer, it is assumed an  
                antenna index, otherwise, it is assumed as an antenna name  
              antenna=’5&6’; baseline between antenna index 5 and index 6.  
              antenna=’!ea02’; exclude EVLA antenna 2.  
              antenna=’ea13;!ea22’; EVLA antenna 13, excluding antenna 22.  
              antenna=’VA05&VA06’; baseline between VLA antenna 5 and 6.  
              antenna=’5&6;7&8’; baselines with indices 5-6 and 7-8  
              antenna=’5’; all baselines with antenna index 5  
              antenna=’05’; all baselines with antenna number 05 (VLA old name)  
              antenna=’5,6,10’; all baselines with antennas 5,6,10 index numbers  
              NB: For explicit selections, use a single ampersand (&) to  
              select only cross-correlations among the specified antennas,  
              double ampersands (&&) to select cross- and  
              auto-correlations among the specified antennas, and  
              triple ampersands (&&&) to select only  
              auto-correlations.  E.g.:  
              antenna=’*&’; selects all cross-correlation baseline  
                            (excludes all auto-correlations)  
              antenna=’*&&&’; selects all auto-correlation baselines  
                              (excludes all cross-correlations)  
              antenna=’1&&1,2,3’; selects baselines 1-1 (auto), 1-2,1-3 (cross)  
              antenna=’VA05&&&’; selects the VA05 autocorrelation  
              See the link noted above for more information.  
      scan -- Scan numbers or ranges.  
              default: ’’  (all scans)  
              scan=’1,2,6,43’; scans 1, 2, 6, and 43  
              scan=’3~14’; scans 3 through 14, inclusive  
      correlation -- Select by correlation (polarization when plotting cal tables)  
                default: ’’  (all correlations/polarizations)  
                For measurement sets: ’RR’,’RL’,’LR’,’LL’,’XX’,’XY’,’YX’,’YY’  
                For cal tables: ’R’,’L’,’RL’,’X’,’Y’,’XY’,’/’ (for ratio plots)  
                or any comma-separated combination;  
                use basis (R/L or X/Y) appropriate to the table  
      array -- Select the array id  
               default: ’’  (all array ids)  
      observation -- Select by observation ID(s).  
                     default: ’’-->all;  
                     observation=’0’ (select obsID 0)  
      intent -- Select observing intent  
                default: ’’  (no selection by intent)  
                intent=’*BANDPASS*’  (selects data labelled with  
                    BANDPASS intent)  
      feed -- Select by feed IDs  
              default: ’’ (all feeds)  
              feed=’1~2’  
      msselect -- Optional TaQL data selection  
 
    averagedata -- data averaging parameters flag  
                   default: True   (reveals expandable parameters  
                                    described below)  
      >>> averagedata expandable parameters  
        avgchannel -- average over channel?  either blank for none, or a value  
                      in channels.  
                      default: ’’ (no channel averaging).  
        avgtime -- average over time?  either blank for none, or a value in  
                   seconds.  
                   default: ’’ (no time averaging).  
        avgscan -- average over scans?  only valid if time averaging is turned  
                   on.  
                   default: False.  
        avgfield -- average over fields?  only valid if time averaging is  
                    turned on.  
                    default: False.  
        avgbaseline -- average over selected baselines; mutually  
                       exclusive with avgantenna.  
                       default: False.  (no averaging over baseline)  
        avgantenna -- form per-antenna averages; mutually exclusive with  
                      avgbaseline.  
                      default: False.   (no per-antenna averaging)  
        avgspw -- average over selected spectral windows?  
                  default: False.  (no average of spectral windows)  
        scalar -- scalar averaging?  
                  default: False  (i.e., do vector averaging)  
 
    transform -- apply various transformations on data for plotting  
                 default: True  
      >>> transform expandable parameters  
        freqframe -- the coordinate frame in which to render frequency and velocity axes  
                 default: ’’  (unspecified: will use frame in which data were taken)  
                 options: LSRK, LSRD, BARY, GEO, TOPO, GALACTO, LGROUP, CMB  
        restfreq -- the rest frequency to use in velocity conversions (MHz)  
                 default: ’’ (use spw central frequency and show relative velocity)  
                 example: ’22235.08MHz’  
        veldef -- the velocity definition to use  
                 default: ’RADIO’  
                 options: ’RADIO’,’OPT’,’TRUE’  
        shift -- adjust phase according to a phase center shift [dx,dy] (arcsec)  
                 NB: the phase shift in plotms is an approximate transformation  
                 default: [0,0]  (no shift)  
 
    extendflag -- have flagging extend to other data points?  
                  default: False.  
      >>> extendflag expandable parameters  
        extcorr -- extend flags based on correlation?  
                   default: False.  
        extchannel -- extend flags based on channel?  
 
    iteraxis -- axis upon which iterate plots (one plot per page, for now)  
                default: ’’ (no iteration)  
                options: ’scan’,’field’,’spw’,’baseline’,’antenna’,’time’,’corr’,’’  
      >>> iteraxis expandable parameters  
        xselfscale -- If true, iterated plots should share a common x-axis label per column.  
        yselfscale -- If true, iterated plots should share a common y-axis label per row.  
                      default: false, which will scale all plots globally  
        xsharedaxis -- If true, iterated plots should share a common x-axis (must also set xselfscale=True)  
           default: false, each plot will have its own x-axis.  
        ysharedaxis -- If true, iterated plots should share a common y-axis (must also set yselfscale=True)  
           default: false, each plot will have its own y-axis.  
 
    customsymbol -- If true, use a custom symbol for drawing unflagged points  
                    default: False  
      >>> customsymbol expandable parameters  
        symbolshape -- If true, use a custom shape to draw unflagged symbols  
                       default: ’autoscaling’ (ignores symbolsize)  
                       options: ’autoscaling’, ’circle’, ’square’, ’diamond’, ’pixel’, ’nosymbol’  
        symbolsize -- size of the unflagged symbols in pixels  
                      default: 2  
        symbolcolor -- color to use for unflagged symbols; can be a RGB hex code or a color name  
                       default: ’0000ff’  
                       example: ’purple’  
        symbolfill -- type of fill to use for unflagged symbols  
                      default: ’fill’  
                      options: ’fill’, ’mesh1’, ’mesh2’, ’mesh3’, ’nofill’  
        symboloutline -- If true, outline unflagged symbols in black  
 
    coloraxis -- axis upon which to colorize the plotted points  
                options (= indicates synonyms):  
                    ’scan’,  ’field’,  ’spw’,  ’antenna1’=’ant1’,  ’antenna2’=’ant2’,  
                    ’baseline’,  ’channel’=’chan’,  ’corr’=’correlation’, ’time’,  
                    ’observation’, ’intent’  
                default: ’’  (use a single color for all points)  
 
    customflaggedsymbol -- If true, use a custom symbol for drawing flagged points  
                           default: False  
      >>> customflaggedsymbol expandable parameters  
        symbolshape -- If true, use a custom shape to draw flagged symbols  
                       default: ’nosymbol’  
                       options: ’autoscaling’, ’circle’, ’square’, ’diamond’, ’pixel’, ’nosymbol’  
        symbolsize -- size of the flagged symbols in pixels  
                      default: 2  
        symbolcolor -- color to use for flagged symbols; can be a RGB hex code or a color name  
                       default: ’0000ff’  
                       example: ’purple’  
        symbolfill -- type of fill to use for flagged symbols  
                      default: ’fill’  
                      options: ’fill’, ’mesh1’, ’mesh2’, ’mesh3’, ’nofill’  
        symboloutline -- If true, outline flagged symbols in black  
 
    plotrange -- manual plot axis ranges: [xmin,xmax,ymin,ymax]  
                 Does not affect data selection.  
                 default: []; both axes will be autoscaled according  
                 to the ranges found in the selected data  
                 If xmin=xmax (or ymin=ymax) then that axis will  
                 be autoscaled, e.g.:  
                 [0,0,-2.0,14.0]; autoscale the xaxis, and use  
                                  ymin=-2.0, ymax=14.0  
 
    title  -- title along top of plot (called "canvas" in some places)  
    titlefont -- plot title font size  
                 default: 0 (autosize depending on grid)  
    xlabel -- text to label horizontal axis, with formatting using ’%%’  
    xaxisfont -- x-axis font size  
                 default: 0 (autosize)  
    ylabel -- text to label horizontal axis, with formatting using ’%%’  
    yaxisfont -- y-axis font size  
                 default: 0 (autosize)  
 
 
    showmajorgrid  -- show major grid lines (horiz and vert.)  
                  default: False  
      >>>  showmajorgrid expandable parameters  
        majorwidth  -- line width in pixels of major grid lines  
        majorstyle  -- major grid line style: solid dash dot none  
        majorcolor  -- color in hex code of major grid lines  
 
    showminorgrid  -- show minor grid lines (horiz and vert.)  
                  default: False  
      >>>  showminorgrid expandable parameters  
        minorwidth  --  line width in pixels of minor grid lines  
        minorstyle  --  minor grid line style: solid dash dot none  
        minorcolor  --  color in hex code of minor grid lines  
 
    plotfile -- name of plot file to save automatically  
                default: ’’  (i.e., draw an interactive plot in the gui)  
      >>> plotfile expandable parameters  
        expformat -- export format type; if ’txt’ is used an ASCII dump of the plotted points is generated (also available in the export tab)  
                     default:  ’’   (plotfile extension will be used)  
                     options: ’jpg’, ’png’, ’ps’, ’pdf’, ’txt’  
        exprange -- pages to export for iteration plots  
         default:   ’’  
         options: ’current’, ’all’  
        highres -- use high resolution in exported plot  
                   default: False (use screen resolution)  
        dpi -- DPI of exported plot  
               default: -1 (not set)  
        width -- width of exported plot  
                 default: -1 (not set)  
        height -- height of exported plot  
                  default: -1 (not set)  
        overwrite -- overwrite plot file if it already exists  
                     default: False  
 
    callib -- calibration library string, list of strings, or filename  
              default: ’’  
 
    showgui - Whether or not to display the plotting GUI  
              default: True  
 
 
 


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