### grepg [WP]: reorganize usage information

```Organize description of options and parameters in reasonable groups of
similar purpose.```
parent 04fd46ca
 ... ... @@ -285,56 +285,44 @@ c give basic information & ' ''123G'' complex gabor matrix coefficients' print *,' which use a time as abscissa' print *,' ' print *,'data modification options' print *,'-------------------------' print *,' ' print *,' -S suppress all values for zero frequency' print *,' and values for zero slowenss' print *,' (usefull for strange greda methods)' print *,' -I use just imaginary part' print *,' -R use just real part' print *,' -t n,m remove polynomial trend from data using' print *,' Legendre polynomials up to order ''n'' ' print *,' the mode value ''m'' is a sum of:' print *,' ', & ' 1: remove polynomial trend from real part' print *,' ', & ' 2: remove polynomial trend from imag part' print *,' -Q remove moving average' print *,' -K o,t ', & ' increase contrast by order o and threshold t' print *,' -E scale all coefficients with 1/omega**2' print *,'data selection options' print *,'----------------------' print *,' ' print *,' normalize data' print *,' ' print *,' -s scale frequencies individually' print *,' using maximum amplitude value' print *,' -st apply adaptive scaling along time axis' print *,' rather than frequency axis' print *,' (useful for gabor plots)' print *,' -N c,w Use a gaussian taper when calculating' print *,' normalization factors in order to scale' print *,' frequencies individually. c will be the' print *,' center of the taper in s/km. w is the' print *,' distance from the center to the value' print *,' where the taper is 0.1 (also in s/km).' print *,' -n value normalize maximum amplitude to value' print *,' -M lim use only coefficients for slowness being' print *,' -I display imaginary part' print *,' -R display real part' print *,' -C colorfull plot with phase information' print *,' -a a,g just plot phase information as grayscale' print *,' ', & ' greater than lim to find normalizing value' & ' a: (real value; 0.<= a <=360.) phase angle to' print *,' shift grayscale (given in degrees)' print *,' ', & ' that is used to rescale data per frequency' print *,' (all coefficients will be scaled)' print *,' (default is ',optarg(28)(1:3),').' print *,' -f n ', & ' apply a smooth weighting function when' & ' g: (real value; 0.<= g <=1.) grayify factor' print *,' ', & ' scaling frequencies individually - this is' print *,' done by applying a moving average to the' & ' values differing from 1. will result in' print *,' ', & ' the weight, where ''n'' is the filter length' & ' a grayscale that does not use all values' print *,' from black to white' print *,' -Pr plot phase for different Fourier sign' print *,' convention' print *,' greda and other define the Fourier' print *,' transformation to have a positive' print *,' imaginary factor in the transformation' print *,' from frequency to time domain' print *,' this switch changes the sign convention' print *,' of the data to the opposite' print *,' ' print *,'scaling options' print *,'---------------' print *,' ' print *,' -E scale all coefficients with 1/omega**2' print *,' ' print *,' scaling' print *,' adjustment of scale range' print *,' ' print *,' -p p ', & ' the depth of the amplitude grayscale will be' print *,' p powers of ten' print *,' -L ', & ' use linear amplitude scaling rather than log10' print *,' ' print *,' -e lim ', & ' use coefficients for slowness values being' ... ... @@ -355,47 +343,52 @@ c give basic information & ' that ist used to evaluate the normalizing' print *,' factor for the whole dataset' print *,' (default is ',optarg(16)(1:3),').' print *,' -p p ', & ' the depth of the amplitude grayscale will be' print *,' p powers of ten' print *,' -L ', & ' use linear amplitude scaling rather than log10' print *,' -Pr plot phase for different Fourier sign' print *,' convention' print *,' greda and other define the Fourier' print *,' transformation to have a positive' print *,' imaginary factor in the transformation' print *,' from frequency to time domain' print *,' this switch changes the sign convention' print *,' of the data to the opposite' print *,' ' print *,'define data aspect' print *,'------------------' print *,' normalize data' print *,' ' print *,' -C colorfull plot with phase information' print *,' -a a,g just plot phase information as grayscale' print *,' -s scale frequencies individually' print *,' using maximum amplitude value' print *,' -f n ', & ' apply a smooth weighting function when' print *,' ', & ' a: (real value; 0.<= a <=360.) phase angle to' print *,' shift grayscale (given in degrees)' & ' scaling frequencies individually - this is' print *,' done by applying a moving average to the' print *,' ', & ' g: (real value; 0.<= g <=1.) grayify factor' & ' the weight, where ''n'' is the filter length' print *,' -st apply adaptive scaling along time axis' print *,' rather than frequency axis' print *,' (useful for gabor plots)' print *,' -N c,w Use a gaussian taper when calculating' print *,' normalization factors in order to scale' print *,' frequencies individually. c will be the' print *,' center of the taper in s/km. w is the' print *,' distance from the center to the value' print *,' where the taper is 0.1 (also in s/km).' print *,' -n value normalize maximum amplitude to value' print *,' -M lim use only coefficients for slowness being' print *,' ', & ' values differing from 1. will result in' & ' greater than lim to find normalizing value' print *,' ', & ' a grayscale that does not use all values' print *,' from black to white' print *,' -i plot isolines' print *,' amplitude values are still available to' print *,' isoline contour plots even if you plot' print *,' the signal phase' print *,' -O i,m,s label isoline contour' print *,' i: INTVAL integer value for PGCONL' print *,' will set the spacing between labels' print *,' m: MININT integer value for PGCONL' print *,' will set minimum contour length to be' print *,' labelled' print *,' s: integer setting number of significant' print *,' digits to be given in label' & ' that is used to rescale data per frequency' print *,' (all coefficients will be scaled)' print *,' (default is ',optarg(28)(1:3),').' print *,' ' print *,'data modification options' print *,'-------------------------' print *,' ' print *,' -S suppress all values for zero frequency' print *,' and values for zero slowenss' print *,' (usefull for strange greda methods)' print *,' -t n,m remove polynomial trend from data using' print *,' Legendre polynomials up to order ''n'' ' print *,' the mode value ''m'' is a sum of:' print *,' ', & ' 1: remove polynomial trend from real part' print *,' ', & ' 2: remove polynomial trend from imag part' print *,' -Q remove moving average' print *,' -K o,t ', & ' increase contrast by order o and threshold t' print *,' ' print *,'appearance of plot' print *,'------------------' ... ... @@ -422,6 +415,19 @@ c give basic information print *,' -c plot colored resolution marks and' print *,' and colored grid' print *,' ' print *,' -i plot isolines' print *,' amplitude values are still available to' print *,' isoline contour plots even if you plot' print *,' the signal phase' print *,' -O i,m,s label isoline contour' print *,' i: INTVAL integer value for PGCONL' print *,' will set the spacing between labels' print *,' m: MININT integer value for PGCONL' print *,' will set minimum contour length to be' print *,' labelled' print *,' s: integer setting number of significant' print *,' digits to be given in label' print *,' ' print *,' -T title define title string for plot' print *,' -X label define x-label for plot' print *,' -Y label define y-label for plot' ... ... @@ -434,10 +440,12 @@ c give basic information print *,' to ''h'' ' print *,' -B label ', & ' define phase wedge annotation label for plot' print *,' ' print *,' -x R,G,B set foreground color to RGB-value' print *,' -y R,G,B ', & ' set background color for color ramp to RGB-value' print *,' -h use HLS interpolation for color ramp' print *,' ' print *,' -FC n cycle curve color with period n' print *,' -Fl n cycle curve linestyle with period n' print *,' -Ww w plot wedges of width w (default is 3.)' ... ... @@ -469,10 +477,14 @@ c give basic information print *,'----------------' print *,' ' print *,' -v verbose mode' print *,' -P pick aliasing (see below)' print *,' -D debug mode' print *,' -P interactive mode (see below)', & ' to pick aliasing' print *,' ' print *,'==================================================' print *,' ' print *,'some inside-information:' print *,'------------------------' print *,'some information on processing:' print *,'-------------------------------' print *,' ' print *,' After modifying the read', & ' dataset the complex coefficients' ... ... @@ -487,7 +499,8 @@ c give basic information print *,' are still available and', & ' may be used for a contour map.' print *,' ' print *,'picking:' print *,'picking in interactive mode:' print *,'----------------------------' print *,' ,

,

: ', & ' pick one point of active curve' print *,' , , : ', ... ...

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