Man page - pkfilterascii(1)
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apt-get install pktools
Manual
pkfilterascii
NAMESYNOPSIS
DESCRIPTION
OPTIONS
NAME
pkfilterascii - program to filter data in an ASCII file
SYNOPSIS
pkfilterascii -i input [ -ic column ] [ options ] [ advanced options ]
DESCRIPTION
pkfilterascii filters the columns defined by the option -ic . A varietey of filters can be selected from with the option -f . The kernel size is defined with the option -dz . Alternatively, you can define your own filter tap values (use the option -tapz for each tap). In case of spectral filtering, define the full width half max values ( -fwhm value) or spectral response functions in ASCII files ( -srf filename).
OPTIONS
-i filename , --input filename
input ASCII file
-o filename , --output filename
Output ASCII file
-ic column , --inputCols column
input columns (e.g., for three dimensional input data in first three columns use: -ic 0 -ic 1 -ic 2 )
-f filter , --filter filter
filter function (to be implemented: dwt, dwti,dwt_cut)
-dz value , --dz value
filter kernel size in z (band or spectral dimension), must be odd (example: 3). Set dz>0 if 1-D filter must be used in band domain
-t , --transpose
transpose output with samples in rows and wavelengths in cols
-v level , --verbose level
verbose
Advanced options
-tapz
value
,
--tapz
value
taps used for spectral filtering
-fwhm value , --fwhm value
list of full width half to apply spectral filtering ( -fwhm band1 -fwhm band2 ...)
-srf filename , --srf filename
list of ASCII files containing spectral response functions (two columns: wavelength response)
-win col , --wavelengthIn col
column number of input ASCII file containing wavelengths
-wout value , --wavelengthOut value
list of wavelengths in output spectrum ( -wout band1 -wout band2 ...)
-interp type , --interp type
type of interpolation for spectral filtering (see http://www.gnu.org/software/gsl/manual/html_node/Interpolation-Types.html)
-wt type , --wavelet type
wavelet type: daubechies,daubechies_centered, haar, haar_centered, bspline, bspline_centered
-wf family , --wf family
wavelet family (vanishing moment, see also http://www.gnu.org/software/gsl/manual/html_node/DWT-Initialization.html)
-cut threshold , --cut threshold
threshold to cut dwt coefficients. Use 0 to keep all.