grid.yaxis

0th

Percentile

Draw a Y-Axis

These functions create and draw a y-axis.

Keywords
dplot
Usage
grid.yaxis(at = NULL, label = TRUE, main = TRUE,
           edits = NULL, name = NULL,
           gp = gpar(), draw = TRUE, vp = NULL)

yaxisGrob(at = NULL, label = TRUE, main = TRUE, edits = NULL, name = NULL, gp = gpar(), vp = NULL)

Arguments
at

A numeric vector of y-value locations for the tick marks.

label

A logical value indicating whether to draw the labels on the tick marks, or an expression or character vector which specify the labels to use. If not logical, must be the same length as the at argument.

main

A logical value indicating whether to draw the axis at the left (TRUE) or at the right (FALSE) of the viewport.

edits

A gEdit or gEditList containing edit operations to apply (to the children of the axis) when the axis is first created and during redrawing whenever at is NULL.

name

A character identifier.

gp

An object of class gpar, typically the output from a call to the function gpar. This is basically a list of graphical parameter settings.

draw

A logical value indicating whether graphics output should be produced.

vp

A Grid viewport object (or NULL).

Details

Both functions create a yaxis grob (a graphical object describing a yaxis), but only grid.yaxis draws the yaxis (and then only if draw is TRUE).

Value

A yaxis grob. grid.yaxis returns the value invisibly.

Children

If the at slot of an xaxis grob is not NULL then the xaxis will have the following children:

major

representing the line at the base of the tick marks.

ticks

representing the tick marks.

labels

representing the tick labels.

If the at slot is NULL then there are no children and ticks are drawn based on the current viewport scale.

See Also

Grid, viewport, grid.xaxis

Aliases
  • grid.yaxis
  • yaxisGrob
Documentation reproduced from package grid, version 3.4.1, License: Part of R 3.4.1

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