addGrid: Add grid lines to an existing plot.

In WGCNA: Weighted Correlation Network Analysis

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();

WGCNA documentation built on Sept. 18, 2024, 5:08 p.m.