plotImage: Display an image

In KevCaz/graphicsutils: Collection of graphics utilities

Display an image

Description

Returns a plot that displays an image. It enables users to directly include a .png or a .jpeg file in a plot region by providing their path.

Usage

plotImage(obj = NULL, file = NULL, add = FALSE, ...)

Arguments

obj	an object of class nativeRaster function.
file	a path to either a .png file or a .jpeg file.
add	logical. Should images be added on the current graph? If FALSE a new plot is created.
...	additional arguments to be passed to rasterImage function.

Details

Note that either obj or file must be defined. If a path is provided either readPNG or readJPEG according to the end of the file extension.

Examples

img <- png::readPNG(system.file('img', 'Rlogo.png', package='png'),
native=TRUE)
op <- par(no.readonly = TRUE)
par(mfrow=c(4,4), mar=rep(2,4))
for (i in seq_len(16)) plotImage(img)
par(op)

KevCaz/graphicsutils documentation built on Sept. 16, 2022, 10:05 a.m.