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Last modified: December 2007

URL: http://cxc.harvard.edu/chips4.0/current_curve.py.html

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B
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C
check_server_exists - py sl
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chips
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currency - py sl
current_axis - py sl
current_contour - py sl
current_curve - py sl
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D
deiconify_window - py sl
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E
entitycreation - py sl
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G
get_attribute - py sl
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H
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I
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L
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M
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S
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tile - py sl
 
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unbind_axes - py sl
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AHELP for ChIPS 4.0 current_curve Context: py.chips

Synopsis

Set the specified curve as current.

Syntax

current_curve( ChipsId )
current_curve( "curve_id" )
current_curve( "all" )

Description

The current_curve command sets the curve indicated by the argument as the current curve; see "ahelp py.chips currency" for general information on currency.

  • ChipsId - an optional ChipsId structure containing values to modify the currency state for the command.
  • curve_id - identification tag given to each object that is created; use this to select a specific curve.
  • all - sets all curves to be current.

Use the info_current command to retrieve a list of all the current items in the ChIPS session, as shown in Example 1.

Example 1

chips> id = ChipsId()
chips> add_curve([-4,0,4],[0,5,10])
chips>
add_curve(numpy.arange(-4,4),numpy.arange(-4,4)*numpy.arange(-4,4),"id=p
arabola")
chips> id.curve = "crv1"
chips> current_curve(id)
chips> print(info_current())

Two curves are created; the second curve is current after it is created. The id.curve command sets the curve value of the ChipsId structure to the first curve, which has the id "crv1" by default. The current_curve command makes that curve current.

The output of info_current for this session is: 

Window [win1]
  Frame [frm1]
    Plot [plot1]
        X Axis [ax1]
        Y Axis [ay1]
        Curve [crv1]
   Coord Sys [Data]
   Coord Sys ID [plot1_ax1ay1]

Example 2

chips> add_curve([-4,0,4],[0,5,10], "id=diag")
chips>
add_curve(numpy.arange(-4,4),numpy.arange(-4,4)*numpy.arange(-4,4),"id=p
arabola")
chips> current_curve("diag")

Two curves are created. After the second curve is created, it is current. The current_curve command then sets the first curve as the current curve.

Example 3

chips> add_curve([-23,4,15],[10,8,11])
chips> add_curve([-4,0,4],[0,5,10])
chips> current_curve("all")

Two curves are created. After the second curve is created, it is current. The current_curve command then makes all curves current.

Bugs

See the bugs pages on the ChIPS website for an up-to-date listing of known bugs.

See Also

py.chips
add_curve, chipsid, currency, delete_curve, display_curve, get_curve, hide_curve, make_figure, set_curve, shuffle_curve
Last modified: December 2007


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