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Last modified: December 2007

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

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D
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AHELP for ChIPS 4.0 delete_line Context: py.chips

Synopsis

Delete the specified line.

Syntax

delete_line()
delete_line( [ChipsId] )
delete_line( "line_id" )
delete_line( "all" )

Description

Depending on the argument, the delete_line command deletes the current line, the line indicated in a ChipsId structure or by the line_id, or all lines.

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

Example 1

chips> add_line(0, 0, 1, 1)
chips> delete_line()

Create a line, then delete it.

Example 2

chips> id = ChipsId()
chips> add_line(.1, .3, .9, .3, "id=flat")
chips> add_line(.3, .8, .8, .2, "id=slope")
chips> id.line = "flat"
chips> delete_line(id)

Two lines are created; the second line is current after it is created. The id.line command sets the line value of the ChipsId structure to the first line. That line is then deleted.

Example 3

chips> add_line(0, 0, 1, 1)
chips> add_line(.1, .3, .9, .3)
chips> delete_line("all")

Two lines are created, then the delete_line command deletes them both.

Bugs

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

See Also

py.chips
add_hline, add_line, add_vline, chipsid, currency, current_line, display_line, get_line, hide_line, move_line, set_line, shuffle_line
Last modified: December 2007


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