# rgl.bbox

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##### Set up Bounding Box decoration

Set up the bounding box decoration.

Keywords
dynamic
##### Usage
rgl.bbox(
xat = NULL, xlab = NULL, xunit = 0, xlen = 5,
yat = NULL, ylab = NULL, yunit = 0, ylen = 5,
zat = NULL, zlab = NULL, zunit = 0, zlen = 5,
marklen = 15.0, marklen.rel = TRUE, expand = 1,
draw_front = FALSE, ...)
bbox3d(xat = NULL, yat = NULL, zat = NULL,
xunit = "pretty", yunit = "pretty", zunit = "pretty",
expand = 1.03,
draw_front = FALSE, ...)
##### Arguments
xat, yat, zat
vector specifying the tickmark positions
xlab, ylab, zlab
character vector specifying the tickmark labeling
xunit, yunit, zunit
value specifying the tick mark base for uniform tick mark layout
xlen, ylen, zlen
value specifying the number of tickmarks
marklen
value specifying the length of the tickmarks
marklen.rel
logical, if TRUE tick mark length is calculated using 1/marklen * axis length, otherwise tick mark length is marklen in coordinate space
expand
value specifying how much to expand the bounding box around the data
draw_front
draw the front faces of the bounding box
...
Material properties (or other rgl.bbox parameters in the case of bbox3d). See rgl.material for details.
##### Details

Four different types of tick mark layouts are possible. This description applies to the X axis; other axes are similar: If xat is not NULL, the ticks are set up at custom positions. If xunit is numeric but not zero, it defines the tick mark base. If it is "pretty" (the default in bbox3d), ticks are set at pretty locations. If xlen is not zero, it specifies the number of ticks (a suggestion if xunit is "pretty").

The first color specifies the bounding box, while the second one specifies the tick mark and font color. bbox3d defaults to pretty locations for the axis labels and a slightly larger box, whereas rgl.bbox covers the exact range. axes3d offers more flexibility in the specification of the axes, but they are static, unlike those drawn by rgl.bbox and bbox3d.

##### Value

• This function is called for the side effect of setting the bounding box decoration. A shape ID is returned to allow rgl.pop to delete it.

rgl.material, axes3d

• rgl.bbox
• bbox3d
##### Examples
rgl.open()
rgl.points(rnorm(100), rnorm(100), rnorm(100))
rgl.bbox(color = c("#333377", "white"), emission = "#333377",
specular = "#3333FF", shininess = 5, alpha = 0.8 )

open3d()
points3d(rnorm(100), rnorm(100), rnorm(100))
bbox3d(color = c("#333377", "black"), emission = "#333377",
specular = "#3333FF", shininess = 5, alpha = 0.8)
Documentation reproduced from package rgl, version 0.95.1367, License: GPL

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