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prospectr (version 0.2.0)

readASD: Read ASD FieldSpec Pro binary and ASCII files

Description

Read single or multiple binary and ASCII files acquired with an ASD FieldSpec Pro (ASDi, Boulder, CO) spectroradiometer

Usage

readASD(fnames, in_format, out_format)

Arguments

fnames

a character vector of the name(s) (with absolute path) of the file(s) to read.

in_format

the format of the input file: 'binary' or 'txt'.

out_format

the format of the output: 'matrix' (default) or 'list' (see below).

Value

if out_format = 'matrix', reflectance values of the input file(s) in a single matrix.

if out_format = 'list', a list of the input file(s) data consisting of a list with components:

  • Name name of the file imported

  • datetime date and time of acquisition in POSIXct format

  • header list with information from the header file

  • radiance if applicable, a numeric vector of radiance values

  • reference if applicable, a numeric vector of radiance values of the white reference

  • reflectance numeric vector of reflectance values

  • wavelength numeric vector of the band positions

References

http://fsf.nerc.ac.uk/user_group/user_group.shtml

http://www.mathworks.com/matlabcentral/fileexchange/31547

Indico Version 8 file format (http://www.malvernpanalytical.com/en/learn/knowledge-center/user-manuals/asd-file-format-v8)