bg {rgl}R Documentation

Set up Background

Description

Setup the background environment of the scene.

Usage

bg3d(...) 
rgl.bg( sphere = FALSE, fogtype = "none", color=c("black","white"), 
        back="lines", ...)

Arguments

fogtype

fog type:

"none"

no fog

"linear"

linear fog function

"exp"

exponential fog function

"exp2"

squared exponential fog function

sphere

logical, if true, an environmental sphere geometry is used for the background decoration.

color

Primary color is used for background clearing and as fog color. Secondary color is used for background sphere geometry. See rgl.material for details.

back

Specifies the fill style of the sphere geometry. See rgl.material for details.

...

Material properties. See rgl.material for details.

Details

If sphere is set to TRUE, an environmental sphere enclosing the whole scene is drawn.

See Also

rgl.material

Examples

  rgl.open()
  
  # a simple white background
  
  bg3d("white")

  # the holo-globe (inspired by star trek):

  rgl.bg(sphere=TRUE, color=c("black","green"), lit=FALSE, back="lines" )

  # an environmental sphere with a nice texture.

  rgl.bg(sphere=TRUE, texture=system.file("textures/sunsleep.png", package="rgl"), 
         back="filled" )

[Package rgl version 0.92.798 Index]