Re: [R] How to load fonts in text3d?

2017-03-28 Thread olsen 
Following these pointers given by Duncan Murdoch is the key to success,
at least on my system.

Many thanks!
olsen



On 28/03/17 13:49, Duncan Murdoch wrote:
> On 28/03/2017 6:39 AM, olsen wrote:
>> I think I found the fly in the ointment, running the same text3d() lines
>> with 'useFreeType=TRUE' returns:
>> "FreeType not supported in this build"
> 
> You need to install FreeType and FTGL.  I think this is how to do it on
> Trusty.  Don't know if it will work on your Ubuntu version.
> 
> sudo apt-get install libfreetype6-dev
> sudo apt-get install libftgl-dev
> 
> and then reinstall rgl from within R using
> 
> install.packages("rgl", type="source")
> 
> Duncan Murdoch
> 
>>
>>
>> On 28/03/17 11:05, olsen wrote:
>>> thanks, the fonts seem to be on:
 rglFonts()
>>> $serif
>>> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>>
>>> $sans
>>> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
>>> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
>>> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
>>> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
>>>
>>> $mono
>>> [1] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
>>> [2] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
>>> [3] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
>>> [4] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
>>>
>>> $symbol
>>> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
>>>
>>> On 27/03/17 20:21, Duncan Murdoch wrote:
 On 27/03/2017 1:09 PM, olsen wrote:
> I'm trying to run the example given in ?text3d as follows:
>
> library(rgl)
> open3d()
> famnum <- rep(1:4, 8)
> family <- c("serif", "sans", "mono", "symbol")[famnum]
> font <- rep(rep(1:4, each = 4), 2)
> cex <- rep(1:2, each = 16)
> text3d(font, cex, famnum, text = paste(family, font), adj = 0.5,
>color = "blue", family = family, font = font, cex = cex)
>
> This results in a couple of warning messages of the following kind:
>
> In rgl.texts(x = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L,  ... :
>   font family "serif" not found, using "bitmap"
>
> I would like to use another font instead of bitmap but it seems to
> switchback to bitmap whatever argument I give as family e.g. 'family =
> "FreeSans"'.
> Wonder if this is a bug or I'm doing something wrong.
>
> This is on
> R version 3.3.2 (2016-10-31)
> Platform: x86_64-pc-linux-gnu (64-bit)
> Running under: Debian GNU/Linux 9 (stretch)
> with the following rgl version loaded:
> [1] rgl_0.96.0

 What do you see if you run rglFonts()?  It should list the fonts you
 have installed.  On MacOS, I see

> rglFonts()
 $serif
 [1]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [2]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [3]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [4]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"



 $sans
 [1]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"


 [2]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"


 [3]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"


 [4]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"



 $mono
 [1]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"


 [2]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"


 [3]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"


 [4]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"



 $symbol
 [1]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [2]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [3]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


 [4]
 "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"



 If you don't have Freetype installed on your system, you won't be able

Re: [R] How to load fonts in text3d?

2017-03-28 Thread Duncan Murdoch 

On 28/03/2017 6:39 AM, olsen wrote:

I think I found the fly in the ointment, running the same text3d() lines
with 'useFreeType=TRUE' returns:
"FreeType not supported in this build"


You need to install FreeType and FTGL.  I think this is how to do it on 
Trusty.  Don't know if it will work on your Ubuntu version.


sudo apt-get install libfreetype6-dev
sudo apt-get install libftgl-dev

and then reinstall rgl from within R using

install.packages("rgl", type="source")

Duncan Murdoch




On 28/03/17 11:05, olsen wrote:

thanks, the fonts seem to be on:

rglFonts()

$serif
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"

$sans
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"

$mono
[1] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"

$symbol
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"

On 27/03/17 20:21, Duncan Murdoch wrote:

On 27/03/2017 1:09 PM, olsen wrote:

I'm trying to run the example given in ?text3d as follows:

library(rgl)
open3d()
famnum <- rep(1:4, 8)
family <- c("serif", "sans", "mono", "symbol")[famnum]
font <- rep(rep(1:4, each = 4), 2)
cex <- rep(1:2, each = 16)
text3d(font, cex, famnum, text = paste(family, font), adj = 0.5,
   color = "blue", family = family, font = font, cex = cex)

This results in a couple of warning messages of the following kind:

In rgl.texts(x = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L,  ... :
  font family "serif" not found, using "bitmap"

I would like to use another font instead of bitmap but it seems to
switchback to bitmap whatever argument I give as family e.g. 'family =
"FreeSans"'.
Wonder if this is a bug or I'm doing something wrong.

This is on
R version 3.3.2 (2016-10-31)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux 9 (stretch)
with the following rgl version loaded:
[1] rgl_0.96.0


What do you see if you run rglFonts()?  It should list the fonts you
have installed.  On MacOS, I see


rglFonts()

$serif
[1]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[2]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[3]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[4]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


$sans
[1]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"

[2]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"

[3]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"

[4]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"


$mono
[1]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"

[2]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"

[3]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"

[4]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"


$symbol
[1]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[2]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[3]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"

[4]
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


If you don't have Freetype installed on your system, you won't be able
to use any of those.

Duncan Murdoch





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Re: [R] How to load fonts in text3d?

2017-03-28 Thread olsen 
I think I found the fly in the ointment, running the same text3d() lines
with 'useFreeType=TRUE' returns:
"FreeType not supported in this build"


On 28/03/17 11:05, olsen wrote:
> thanks, the fonts seem to be on:
>> rglFonts()
> $serif
> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> 
> $sans
> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
> 
> $mono
> [1] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
> [2] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
> [3] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
> [4] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
> 
> $symbol
> [1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> [4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
> 
> On 27/03/17 20:21, Duncan Murdoch wrote:
>> On 27/03/2017 1:09 PM, olsen wrote:
>>> I'm trying to run the example given in ?text3d as follows:
>>>
>>> library(rgl)
>>> open3d()
>>> famnum <- rep(1:4, 8)
>>> family <- c("serif", "sans", "mono", "symbol")[famnum]
>>> font <- rep(rep(1:4, each = 4), 2)
>>> cex <- rep(1:2, each = 16)
>>> text3d(font, cex, famnum, text = paste(family, font), adj = 0.5,
>>>color = "blue", family = family, font = font, cex = cex)
>>>
>>> This results in a couple of warning messages of the following kind:
>>>
>>> In rgl.texts(x = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L,  ... :
>>>   font family "serif" not found, using "bitmap"
>>>
>>> I would like to use another font instead of bitmap but it seems to
>>> switchback to bitmap whatever argument I give as family e.g. 'family =
>>> "FreeSans"'.
>>> Wonder if this is a bug or I'm doing something wrong.
>>>
>>> This is on
>>> R version 3.3.2 (2016-10-31)
>>> Platform: x86_64-pc-linux-gnu (64-bit)
>>> Running under: Debian GNU/Linux 9 (stretch)
>>> with the following rgl version loaded:
>>> [1] rgl_0.96.0
>>
>> What do you see if you run rglFonts()?  It should list the fonts you
>> have installed.  On MacOS, I see
>>
>>> rglFonts()
>> $serif
>> [1]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [2]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [3]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [4]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>>
>> $sans
>> [1]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
>>
>> [2]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
>>
>> [3]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
>>
>> [4]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
>>
>>
>> $mono
>> [1]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
>>
>> [2]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
>>
>> [3]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
>>
>> [4]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
>>
>>
>> $symbol
>> [1]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [2]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [3]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>> [4]
>> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
>>
>>
>> If you don't have Freetype installed on your system, you won't be able
>> to use any of those.
>>
>> Duncan Murdoch
>>
>

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Re: [R] How to load fonts in text3d?

2017-03-28 Thread olsen 
thanks, the fonts seem to be on:
> rglFonts()
$serif
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"

$sans
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSans.ttf"

$mono
[1] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeMono.ttf"

$symbol
[1] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[2] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[3] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"
[4] "/usr/lib/R/site-library/rgl/fonts/FreeSerif.ttf"

On 27/03/17 20:21, Duncan Murdoch wrote:
> On 27/03/2017 1:09 PM, olsen wrote:
>> I'm trying to run the example given in ?text3d as follows:
>>
>> library(rgl)
>> open3d()
>> famnum <- rep(1:4, 8)
>> family <- c("serif", "sans", "mono", "symbol")[famnum]
>> font <- rep(rep(1:4, each = 4), 2)
>> cex <- rep(1:2, each = 16)
>> text3d(font, cex, famnum, text = paste(family, font), adj = 0.5,
>>color = "blue", family = family, font = font, cex = cex)
>>
>> This results in a couple of warning messages of the following kind:
>>
>> In rgl.texts(x = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L,  ... :
>>   font family "serif" not found, using "bitmap"
>>
>> I would like to use another font instead of bitmap but it seems to
>> switchback to bitmap whatever argument I give as family e.g. 'family =
>> "FreeSans"'.
>> Wonder if this is a bug or I'm doing something wrong.
>>
>> This is on
>> R version 3.3.2 (2016-10-31)
>> Platform: x86_64-pc-linux-gnu (64-bit)
>> Running under: Debian GNU/Linux 9 (stretch)
>> with the following rgl version loaded:
>> [1] rgl_0.96.0
> 
> What do you see if you run rglFonts()?  It should list the fonts you
> have installed.  On MacOS, I see
> 
>> rglFonts()
> $serif
> [1]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [2]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [3]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [4]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> 
> $sans
> [1]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
> 
> [2]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
> 
> [3]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
> 
> [4]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
> 
> 
> $mono
> [1]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
> 
> [2]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
> 
> [3]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
> 
> [4]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
> 
> 
> $symbol
> [1]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [2]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [3]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> [4]
> "/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
> 
> 
> If you don't have Freetype installed on your system, you won't be able
> to use any of those.
> 
> Duncan Murdoch
> 

-- 
Our solar system is the cream of the crop
http://hasa-labs.org

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R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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Re: [R] How to load fonts in text3d?

2017-03-27 Thread Duncan Murdoch 

On 27/03/2017 1:09 PM, olsen wrote:

I'm trying to run the example given in ?text3d as follows:

library(rgl)
open3d()
famnum <- rep(1:4, 8)
family <- c("serif", "sans", "mono", "symbol")[famnum]
font <- rep(rep(1:4, each = 4), 2)
cex <- rep(1:2, each = 16)
text3d(font, cex, famnum, text = paste(family, font), adj = 0.5,
   color = "blue", family = family, font = font, cex = cex)

This results in a couple of warning messages of the following kind:

In rgl.texts(x = c(1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 3L,  ... :
  font family "serif" not found, using "bitmap"

I would like to use another font instead of bitmap but it seems to
switchback to bitmap whatever argument I give as family e.g. 'family =
"FreeSans"'.
Wonder if this is a bug or I'm doing something wrong.

This is on
R version 3.3.2 (2016-10-31)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux 9 (stretch)
with the following rgl version loaded:
[1] rgl_0.96.0


What do you see if you run rglFonts()?  It should list the fonts you 
have installed.  On MacOS, I see


> rglFonts()
$serif
[1] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[2] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[3] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[4] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


$sans
[1] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
[2] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
[3] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"
[4] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSans.ttf"


$mono
[1] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
[2] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
[3] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"
[4] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeMono.ttf"


$symbol
[1] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[2] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[3] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"
[4] 
"/Library/Frameworks/R.framework/Versions/3.3/Resources/library/rgl/fonts/FreeSerif.ttf"


If you don't have Freetype installed on your system, you won't be able 
to use any of those.


Duncan Murdoch

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