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Use arrows for points in showDigitizedImage() #38

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droglenc opened this issue Jan 27, 2019 · 2 comments
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Use arrows for points in showDigitizedImage() #38

droglenc opened this issue Jan 27, 2019 · 2 comments
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enhancement New feature or request

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@droglenc
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All for the use of arrows rather than pch symbols for points in showDigitizedImage().

Should be able to do this with text() using unicode characters inside of intToUtf8(), pos= as with the annuli labels, and offset=0. The unicode characters to use are below

intToUtf8(c(9650,9660,9658,9668))

Will probably need to create some sort of catch with pch.show= to catch if the user says "arrows." Or, set a useArrow= logical argument.
@droglenc droglenc added the enhancement New feature or request label Jan 27, 2019
@droglenc droglenc self-assigned this Jan 27, 2019
@droglenc
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Also see https://stackoverflow.com/questions/21607151/obtaining-left-and-right-arrows-as-plot-symbols-in-r

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Will be in v0.2.1.

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