[R-SIG-Mac] rgl.open does not work

[Duncan Murdoch]

Byron Ellis wrote:
> Yes. I think you want
>
> #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4

Thanks, that looks simple, and rgl still compiles in Tiger.  I'll commit 
the change as soon as I have an Internet connection again.

I'm still seeing problems with the display of glyphs: it appears that 
FTGL is not reading what FreeType sends properly, or FreeType is not 
reading the .ttf file properly.  For now I'm going to set 
useFreeType=FALSE on MacOSX.  It might help if FTGL could specify fonts 
by their characteristics, so I could use cairo or pango the way other 
devices do  -- but FTGL isn't currently being maintained.  Maybe it 
would be worth the effort to figure out what's going on in it and adding 
this myself.

Duncan Murdoch
>
> for 10.4 and earlier. 
>
> On Tue, Jul 8, 2008 at 3:04 AM, Duncan Murdoch <murdoch at stats.uwo.ca 
> <mailto:murdoch at stats.uwo.ca>> wrote:
>
>     On 07/07/2008 11:46 PM, Jan de Leeuw wrote:
>
>         in src/ext/FTVectorizer.cpp lines 8-9 change
>
>         #ifdef __APPLE_CC__
>             typedef GLvoid (*GLUTesselatorFunction)(...);
>
>         to
>
>         #ifdef __APPLE_CC__
>             typedef GLvoid (*GLUTesselatorFunction)();
>
>         then rgl compiles on OS X (using g++-4.0, even with FTGL)
>
>
>     I believe the first line is needed in 10.4.  Is there a
>     conditional to select just that version?
>
>     Duncan Murdoch
>
>
>
>         -- Jan
>
>         On Jul 7, 2008, at 18:29 , Duncan Murdoch wrote:
>
>             On 07/07/2008 11:15 AM, Christoph Hofer wrote:
>
>                 Dear Mac-R-users
>                 I installed the rgl package via the R-GUI installation
>                 menu as a   binary (version 0.79).
>                 I use the R- 2.7.1 and i run it on a intel Mac
>                 (Leopard 10.5.4).
>                 The command rgl.open() gives me the following error:
>                 error in rgl.open() : Cannot create font, error code: 1
>                 Any suggestion to solve my problem?
>
>             Another suggestion:
>
>             Don't use rgl.open, use open3d.  But before you do that, try
>
>             r3dDefaults$useFreeType <- FALSE
>
>             I don't know how to get FTGL/Freetype to run properly on
>             MacOSX, but  this avoids trying.
>
>             Duncan Murdoch
>
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>         ===
>         Jan de Leeuw; Distinguished Professor and Chair, UCLA
>         Department of  Statistics;
>         Director: UCLA Center for Environmental Statistics (CES);
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> -- 
> Byron Ellis (byron.ellis at gmail.com <mailto:byron.ellis at gmail.com>)
> "Oook" -- The Librarian