3D real-time rendering system.
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# Low level rgl.* interface rgl.open(useNULL = rgl.useNULL()) # open new device rgl.close() # close current device rgl.cur() # returns active device ID rgl.dev.list() # returns all device IDs rgl.set(which, silent = FALSE) # set device as active rgl.quit() # shutdown rgl device system rgl.init(initValue = 0, onlyNULL = FALSE) # re-initialize rgl
whether to open the “null” device
whether to suppress update of window titles
value for internal use only
only initialize the null (no display) device
The rgl device design is oriented towards the R device metaphor. If you send
scene management instructions, and there's no device open, it will be opened
Opened devices automatically get the current device focus. The focus may be
changed by using
rgl.quit() shuts down the rgl subsystem and all open devices,
detaches the package including the shared library and additional system libraries.
rgl.open() function attempts to open a new RGL window.
"rgl.antialias" option is set, it will be used to
select the requested antialiasing. (See
more description of antialiasing and an alternative way to set the
TRUE, rgl will use a “null”
device. This device records objects as they are plotted, but
displays nothing. It is intended for use with
and similar functions.
rgl.open() fails (e.g. because X windows is not running, or its
DISPLAY variable is not set properly), then you can retry the initialization
rgl.init(). Do not do this when windows have
already been successfully opened: they will be orphaned, with no way to
remove them other than closing R. In fact, it's probably a good idea not to do this
at all: quitting R and restarting it is a better solution.
This package also includes a higher level interface which is described
in the r3d help topic. That interface is designed to act more like
classic 2D R graphics. We recommend that you avoid mixing
See the first example below to display the ChangeLog.
rgl.set are called for their side effects
and return no useful value. Similarly
rgl.quit are not designed
to return useful values; in fact, users shouldn't call them at all!
rgl.cur returns the currently active devices, or
0 if none is
rgl.dev.list returns a vector of all open devices. Both functions name
the items according to the type of device:
null for a hidden null device,
wgl for a Windows device, and
glX for an X windows device.
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