read.ijroi {RImageJROI}

Read an ImageJ ROI file

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)