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Last modified: December 2007

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

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AHELP for ChIPS 4.0 delete_axis Context: py.chips

Synopsis

Delete the specified axis.

Syntax

delete_axis()
delete_axis( [ChipsId] )
delete_axis( "axis_id" )
delete_axis( "all" )

Description

Depending on the argument, the delete_axis command deletes the current axis, the axis indicated in a ChipsId structure or by the axis_id, or all axes.

  • (no argument) - the current axis is deleted.
  • ChipsId - an optional ChipsId structure containing values to modify the currency state for the command.
  • axis_id - identification tag given to each object that is created; use this to delete a specific axis.
  • all - deletes all axes.

An axis cannot be deleted if it has any associated objects, such as a line or a curve. As shown in the examples, the associated object must be deleted before the axis may be removed.

Example 1

chips> add_curve([-23,4,15],[10,8,11])
chips> delete_curve()
chips> delete_axis()

Create a curve. Delete the curve, then delete the axes.

Example 2

chips> id = ChipsId()
chips> add_plot(.6, .6, .9, .9)
chips> add_curve([-4,0,4],[0,5,10])
chips> add_plot()
chips>
add_curve(numpy.arange(-4,4),numpy.arange(-4,4)*numpy.arange(-4,4))
chips> current_plot("plot1")
chips> delete_curve()
chips> id.axis = "ax1"
chips> delete_axis(id)

Two plots are created, each containing a curve, then the first plot is set as current. The id.axis command sets the axis value of the ChipsId structure to the x-axis of the first plot. The curve is deleted, then the axis is deleted.

Example 3

chips> id = ChipsId()
chips> add_plot(.6, .6, .9, .9)
chips> add_curve([-4,0,4],[0,5,10])
chips> add_plot()
chips>
add_curve(numpy.arange(-4,4),numpy.arange(-4,4)*numpy.arange(-4,4))
chips> current_plot("all")
chips> delete_curve("all")
chips> delete_axis("all")

Two plots are created and both made current. The curves are deleted, then the delete_axis command deletes all the axes.

Bugs

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

See Also

py.chips
add_axis, bind_axes, chipsid, currency, current_axis, display_axis, get_axis, get_xaxis, get_yaxis, hide_axis, hide_major_ticks, hide_minor_ticks, linear_scale, log_scale, move_axis, reverse_axes, set_axis, set_xaxis, set_yaxis, show_major_ticks, show_minor_ticks, shuffle_axis, unbind_axes
Last modified: December 2007


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