[Octave-bug-tracker] [bug #58530] missing functions: xline() and yline()

[Rik]

Follow-up Comment #12, bug #58530 (project octave):

@Tamandeep: Thank you for the patch.  I think you might want to start by
borrowing the code from one of the existing plot routines like area.m because
you will get a lot of the behavior that is generic to a plotting function for
free.  For example, if called as


h = xline (...)


the function should return a handle to the xline object.  Also, it should
always be possible to specify a different axes object besides gca to use with
the syntax


xline (hax, ...)


I checked and the current patch doesn't support this behavior.

As I mentioned in comment #9, the xline object needs to be dynamic.  Right now
the code is static.  Try


clf
xline (3)
ylim ([-1, 3])


The attached file shows that the line was not re-sized to the new axis
limits.

file://xline.png

(file #53054)

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Additional Item Attachment:

File name: xline.png                      Size:7 KB
    <https://file.savannah.gnu.org/file/xline.png?file_id=53054>



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