ver 0.42 12 Aug 2006: 
* new version of MM_mag in Utilies : version 1.06
* major bug corrected list_dir_unix3 (basic.cpp )
* results for Love are presented like for Rayleigh
* seimic moment are in the last column (more convenient to plot
  them vs azimuth for example)

ver 0.41 13 jun 2006
 + compilation of whole project STK for Windows  (using {MinGW and mysis} ),
   except GMT_plot and SVDS in utilities programs.

ver 0.39 May 26 2006
 + MAJOR BUG corrected in TIME-FREQUENCY ANALYSIS: the step in frequency was wrong, and so introduced randomly until 20-30% of bias in frequency estimation. This bug is probably inside the 10 last version of STK. DO NOT use time-frequency with version older than 0.39.

ver 0.38 May 25 2006
 + doc corrected in file Doc/Install.html
 + new version of Mm_mag 1.05 : extrema values of magnitudes are removed 
   in fonction of standard error criterion

ver 0.37 some Docs cleaned

ver 0.36 dec 21 2005
 + code cleaned in SEED_RESP Utility program
 + change in the computation of frequency Step df : it becomes a geometrical suite, instead of regular step between FMIN and FMAX;
  consequently the modulus do not need a large number of point for describing the entire spectrum (a small number of point 
  as 512 is enough (against at least 25000, with old method using the regular step)   

ver 0.35 dec 12 2005
 + major bug corrected in Utilies\MM_mag : in conversion from SAC_BIN to SAC_ASCII
 + new version of MM_mag 1.03
  
nov 04 2005 ver 0.34
 + time-frequency greatly improved with overlapped window
 + also numerical rounding errors on the frequency step were corrected  
 + bug corrected in prog. plot_time_freq.c in Utilies/GMT_plot


oct 27 2005  ver 0.33 
 + major bug corrected in the COMPILATION of Polar/Spectra utility program
 + new version Polar_0.05 has been created

 oct 17 2005, ver 0.32
 + minor changes and code cleanup in utility program: MM_mag

 oct 10 2005, ver 0.31
 + new utility program: MM_mag for computation of Mm, Mw, Mo
   Mw is the moment magnitude, and Mo the scalar seismic moment
   Mm is the mantle magnitude. This program needs signals in SAC_ASCII format

Aug 27, 2005 ver 0.30
 + New utility program for converting signal in SAC_ASCII files into audio files (*.wav)
  The program, allows to convert an entire directory of signals; wildchar can be used to select files. 
  The sampling frequency can be changed, with the choice of mono/stereo channels, and signals can be filtered 
  or not before conversion in wav format. 

Aug 2005 ver 0.29
  + code cleaned
  + mouse selection of the button activated only for zoom in all press_event(), release_event() funtions,
  + in preparation of future uses of the other buttons

Aug 2005 ver 0.28
  +Major bug corrected in grad_x2, if the signal length is equal exactly to 1 day (8640s)
  +export to ASCII added in Polar_3D menu
  +prostcript file showing polarisation, can be generated by the new program:
  	plot_3comp_and_polar.c (compilation ./compil in Utilities/GMT_plot )
  +example of GMT script added for plotting polarisation, in Utilities/GMT_plot (example_of_polar.bash)

July 2005 ver 0.27
  +MTPA method added in Utilies, for spectral analysis and polarizarion in the frequency domain
  +GMT scripts for plotting results of MTPA in postscript
  +GMT script for plotting transfert functions in SEED_RESPONSE utility
    
May 2005 ver 0.26
  + Minor bug corrected in instantaneous polarisation

Apr 2004 ver 0.25
  + Minor bug in Integrator_Fc : the gain was not correct for signal with high_sampling rates 
  + minor bug in Utilities/plot_all_chan.c if the channel is not standard (ie N,Z,E), the min and max was not read
	
Mar 2004 ver 0.24

* export to ascii menu for 
	current_channel plotted
	NZE channels
	ALL channels
	
* in Utilities/GMT_plot programms:
	prostcript files can be generated by the new programs:
	+ plot_3comp.c
	+ plot_current_chan.c
	+ plot_all_chan.c
 they are compiled with the command ./compil
 These programs create a command file for GMT (Generic Mapping Tool), 
 which is able to generate itself postscript graphics.
 
 	
feb 2004
** major bug corrected in SEED_RESPONSE Utility (seed_resp.c) to take into account type B response
  (must multiplicate pole and zeros by 2 PI and A0 by Pi**(Np-Nz) for type B)


jan_2004: 
* add exponantial taper to time_frequency & spectra menu
* instantaneus measure of azimuth and incidence on 3_componants signals
* minor bug corrected for VH* channel (dt <= 10 s) 
  for time_frequency, polar_evolutive and instantaneous_polar menus 
  (minimum length of windows adapted to sampling period)


oct 2004:
* new menu : export to ASCII file, for writting results in ASCII in the FILE menu (main window)

* in time_freq.c : the results are written in Log directory,so the time-frequency graph can be plotted
        with other high-level programm(GMT, Math_lab for examples). This is realized with the Export to ASCII menu.

*in Utilities:
      a new module is added: GMT_plot; it contains programms for plotting the results
        directly in postscript (if high quality graphics are needed, for plubications for example)
        ->plot_time_freq programm create a postscript file in the Log directory,via GMT software
        (GMT :http://gmt.soest.hawaii.edu).
        MECA: a useful small program to plot focal mecanism with  beach-ball in text mode (in the console)
        
        

Sept 2004:
*in SVDS : possibilty to integrate signal or not before polarisation analysis
   one argument is added: INT or NO_INT
*in STK: in the time-frequency function : the choice among 4 taper functions were added
  (Hanning, Hamming, Blackman or Hanning generalized (the default)
  also a possibility to smooth or not the spectra


Dec 2003 :  ver 0.13 Evolutive polarization

June 2003 : search the comp N, Z,E in the header file
            add the compensator order 1 filter in menu
            
April 2003: bug with the optimization option, the new compiler gcc 3.2:
            -O, -O1 and -O2 produce a segmentation fault in the FFT,
            for large number of points ( > 132000 pts)
            so do not use - O option.

            bug fixed in the SVDS utility in version 0.10
            
feb 2003    - Utilities programs:
		SWAP  for swapping SAC_BIN files
		SEED_RESPONSE: to compute instrumental response from response file with zeros and poles
		AZI: a simple program to calculate azimuth, back_azimuth and distance
		SVDS  Singular Value Decomposition of Signal, to compute eigen directions of 3 comp. signal from its eigen vectors.
									
25 jan 2003 - differents taper windows (hannning, Hamming, Blackman) in Fourier menu

july 2002    Time-frequency representation in Fourier menu

xxxxxxxxxx   Possibility to read 3 componants in select_file
						(putting * instead of the axis)


