addGrid {WGCNA}

Add grid lines to an existing plot.

Description

This function adds horizontal and/or vertical grid lines to an existing plot. The grid lines are aligned with tick marks.

Usage

addGrid(
  linesPerTick = NULL, 
  linesPerTick.horiz = linesPerTick,
  linesPerTick.vert = linesPerTick,
  horiz = TRUE, 
  vert = FALSE, 
  col = "grey30", 
  lty = 3)

Arguments

linesPerTick

Number of lines between successive tick marks (including the line on the tickmarks themselves).

linesPerTick.horiz

Number of horizontal lines between successive tick marks (including the line on the tickmarks themselves).

linesPerTick.vert

Number of vertical lines between successive tick marks (including the line on the tickmarks themselves).

horiz

Draw horizontal grid lines?

vert

Draw vertical tick lines?

col

Specifies color of the grid lines

lty

Specifies line type of grid lines. See par.

Details

If linesPerTick is not specified, it is set to 5 if number of tick s is 5 or less, and it is set to 2 if number of ticks is greater than 5.

Note

The function does not work whenever logarithmic scales are in use.

Author(s)

Peter Langfelder

Examples

  plot(c(1:10), c(1:10))
  addGrid();