read.ijroi: Read an ImageJ ROI file

In jleelab/leeplyr: A set of internal Lee lab tools ("plyers").

Description

Read an ImageJ ROI file. This returns a structure containing the ImageJ data.

Usage

read.ijroi(file, verbose = FALSE)

Arguments

file	Name of ImageJ ROI file to read
verbose	Whether to report information

Value

A structure of class ijroi containing the ROI information

Author(s)

David Sterratt

See Also

plot.ijroi for plotting single ROI objects.

read.ijzip for reading several ROI objects from .zip files.

Examples

library(png)
path <- file.path(system.file(package = "RImageJROI"), "extdata", "ijroi")
im <- as.raster(readPNG(file.path(path, "imagej-logo.png")))
plot(NA, NA, xlim=c(0, ncol(im)), ylim=c(nrow(im), 0), asp=1) 
rasterImage(im, 0,  nrow(im), ncol(im), 0, interpolate=FALSE)
r <- read.ijroi(file.path(path, "rect.roi"))
plot(r, TRUE)
r <- read.ijroi(file.path(path, "polygon.roi"))
plot(r, TRUE)
r <- read.ijroi(file.path(path, "oval.roi"))
plot(r, TRUE)

jleelab/leeplyr documentation built on May 3, 2019, 9:38 p.m.