dcemriS4 (version 0.20.2)

readANALYZE: readANALYZE

Description

These functions read in the header information and multi-dimensional array from a binary file in Analyze 7.5 format.

Usage

readANALYZE(fname, verbose = FALSE, warn = -1)
read.analyze.content(fname, gzipped = TRUE, verbose = FALSE, warn = -1)

Arguments

fname

Pathname of the Analyze pair of files .img and .hdr without the suffix.

gzipped

Allows the import/export of compressed (.gz) files (default = TRUE).

verbose

is a logical variable (default = FALSE) that allows text-based feedback during execution of the function.

warn

is a number to regulate the display of warnings (default = -1). See options for more details.

Value

• An object of class anlz is produced.

Details

The internal functions readBin and rawToChar are utilized in order to efficiently extract information from a binary file. The types of data are limited to 1- and 2-byte integers, 4-byte floats and 8-byte doubles.

References

ANALYZE 7.5 http://www.mayo.edu/bir/PDF/ANALYZE75.pdf

See Also

readNIfTI

Examples

avg152T1 <- readANALYZE(system.file("nifti/avg152T1.img.gz",
                                    package="dcemriS4"))
image(avg152T1)
orthographic(avg152T1)