Check for an open RGL window.

Description

Mostly for internal use, this function returns the current device number if one exists, or opens a new device and returns that.

Usage

.check3d()

Value

The device number of an RGL device.

Author(s)

Duncan Murdoch

See Also

open3d

Examples

rgl.dev.list()
.check3d()
rgl.dev.list()
.check3d()
rgl.dev.list()
close3d()