Read WITec files (ASCII/txt)

Import Raman spectra/maps from WITec Instrument via ASCII files

read_dat_WITec(
  filex = stop("filename or connection needed"),
  filey = sub("-x", "-y", filex),
  points.per.line = NULL,
  lines.per.image = NULL,
  type = c("single", "map"),
  encoding = "unknown",
  ...,
  quiet = hy_get_option("debuglevel") < 1L
)

read_txt_WITec_Graph(
  headerfile = stop("filename or connection needed"),
  filex = gsub("Header", "X-Axis", headerfile),
  filey = gsub("Header", "Y-Axis", headerfile),
  type = c("single", "map"),
  encoding = "unknown",
  ...,
  quiet = TRUE
)

read_txt_WITec(
  file = stop("filename or connection needed"),
  points.per.line = NULL,
  lines.per.image = NULL,
  type = c("single", "map"),
  hdr.label = FALSE,
  hdr.units = FALSE,
  encoding = "unknown",
  ...,
  quiet = TRUE
)

Arguments

filex	filename wavelength axis file
filey	filename intensity file
points.per.line	Number of spectra in x direction of the map.
lines.per.image	Number of spectra in y direction.
type	Type of spectra: single for single spectra (including time series); map for imaging data.
encoding	character encoding, see base::readLines().
..., quiet	handed to base::scan().
headerfile	Path or connection to ASCII file with header information.
file	Path or connection to ASCII file.
hdr.label	WITec Project exports the spectra names (contain information of map position or number of spectra) within the file.
hdr.units	WITec Project exports the spectra units within the file.

Value

hyperSpec object.

Details

• read_txt_WITec() reads WITec ASCII files where the first column gives the wavelength axes and the other columns the spectra.

• read_dat_WITec() reads WITec's ASCII exported data which comes in separate files with x and y data.

Author

Claudia Beleites and Marcel Dahms