[R] Format text with outline?

[MacQueen, Don]

Thank you, that's very useful.
-Don
-- 
Don MacQueen

Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062





On 6/19/12 1:11 PM, "baptiste auguie" <baptiste.auguie at googlemail.com>
wrote:

>Have a look at this:
>
>http://stackoverflow.com/questions/7734535/control-font-thickness-without-
>changing-font-size
>
>and
>
>http://stackoverflow.com/questions/10686054/outlined-text-with-ggplot2
>which refers to a base graphics version.
>
>HTH,
>
>b.
>
>On 20 June 2012 07:58, MacQueen, Don <macqueen1 at llnl.gov> wrote:
>> I'm using mtext() to annotate a plot. I would like, if possible, to have
>> the individual characters formatted with an outline or border, with a
>> contrasting fill color inside the borders.
>>
>> I'd appreciate suggestions or pointers toward a way to do this.
>>
>> The reason is because I'm creating a graphic with a transparent
>>background
>> [png(filename,bg='transparent')] that is to be overlaid on Google Earth.
>> The background at my location of interest is so varied in color and
>>shape
>> that it is difficult to find a text color that will reliably have enough
>> contrast to be legible. Google appears to have dealt with this by using
>> white text with a black border on each character,and I would like to do
>> the same, if possible.
>>
>> I have done some searching, without success so far. Admittedly, this is
>> well outside the scope of what R is designed for, but, hey, R can do
>> everything, so why not this?  I did find a possible alternative, the
>> textrect() function in the RPMG package.
>>
>> Thanks
>> -Don
>>
>> --
>> Don MacQueen
>>
>> Lawrence Livermore National Laboratory
>> 7000 East Ave., L-627
>> Livermore, CA 94550
>> 925-423-1062
>>
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