grid.segments {grid}R Documentation

Draw Line Segments in a Grid Viewport

Description

This function draws line segments.

Usage

grid.segments(x0 = unit(0, "npc"), y0 = unit(0, "npc"),
              x1 = unit(1, "npc"), y1 = unit(1, "npc"),
              default.units = "npc", units.per.obs = FALSE,
              gp = gpar(), draw = TRUE, vp = NULL)

Arguments

x0 Numeric indicating the starting x-values of the line segments.
y0 Numeric indicating the starting y-values of the line segments.
x1 Numeric indicating the stopping x-values of the line segments.
y1 Numeric indicating the stopping y-values of the line segments.
gp An object of class gpar.
default.units A string.
units.per.obs A boolean indicating whether distinct units are given for each x/y-value.
draw A logical value indicating whether graphics output should be produced.
vp A Grid viewport object (or NULL)

Value

An object of class "grob".

Author(s)

Paul Murrell

See Also

Grid, viewport


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