[Rd] Re: legend()s text color

[Paul Murrell]

Hi


Marc Schwartz wrote:
> On Wed, 2004-02-25 at 08:02, Uwe Ligges wrote:
> 
>>Martin Maechler wrote:
>>
>>
>>>{moved from R-help to R-devel}
>>>
>>>
>>>
>>>>>>>>"UweL" == Uwe Ligges <ligges at statistik.uni-dortmund.de>
>>>>>>>>   on Tue, 24 Feb 2004 19:05:46 +0100 writes:
>>>>>>>
>>>
>>>    UweL> Sebastien Durand wrote:
>>>    >> Hi,
>>>    >> 
>>>    >> Is there a way to change the color of the text inside a legend, let say 
>>>    >> I would like to use a black background in my legend, how can I get the 
>>>    >> text to show up, it is black!!!
>>>    >> So for example how could I change it to white...?
>>>    >> 
>>>    >> Sebastien
>>>
>>>
>>>    UweL> By setting par(fg = "white"):
>>>
>>>    UweL> plot(1:10)
>>>    UweL> par(fg="white")
>>>    UweL> legend(2,2, col="white", legend="A", bg="black")
>>>
>>>or  par(col = "white"),
>>>as Marc has suggested.
>>>
>>>legend()'s source code makes it very straightforward to add an
>>>argument 'text.col' for this purpose, and I have already done so
>>>in my development version.
>>>The question is really if the default should be
>>>   text.col = par("col")
>>>or text.col = par("fg")
>>>
>>>I'd currently tend for  par("col") , but the tendency is weak.
>>>
>>
>>I agree, I would expect the lines around the legend's box in par("fg"), 
>>but the font in par("col"). And indeed, that's already the case if both 
>>values have been set in par().
>>
>>Uwe
> 
> 
> 
> Martin,
> 
> Thanks for taking this on. 
> 
> I'll throw in my vote and support the text.col = par("col") approach.


There is little consistency to the interpretation of these parameters 
across different functions, but my preference would be to use "col"

Paul
-- 
Dr Paul Murrell
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The University of Auckland
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