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[ctsim.git] / ChangeLog

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+2.0.0-b4 - 7/11/00
+   Fixed compiler warnings at -Wall level
+   Began work on CTSim program to be graphical front-end of all functions
+   Moved current src/*.cpp to tools/*.cpp
+   Made CTSim graphical front-end's home to be src/
+       
+2.0.0-b3 - 7/10/00
+   Added highly optimized backprojection method idiff3
+   Moved comparative stats to if-2 program from ifinfo
+   Fixed image display in if2img using G2 library
+   Added column-plot and row-plot options to if-2
+   Added autoselection of analytic/calculated spatial responses to SignalFilter
+   Added frequency-based preinterpolation to SignalFilter and idiff3
+       backprojection method. Currently, this technique is still under
+       development and debugging
+   Moved graphic file writing to ImageFile class from if2img program
+
+2.0.0-b2 - 7/07/00  
+   Cleaned up SignalFilter class
+   Added zeropad option to pjrec
+   Added zeropad options to html and cgi files
+   Added fourier_table and rfttw filter methods
+   Added FFTW routines to use real/half-complex transformations
+       
+2.0.0-b1 - 7/05/00
+   Updated trace level processing
+   Added trace level to SignalFilter
+   Fixed magnitude vs. real output bug in FFT/Fourier filter
+       
+1.9.9 - 7/04/00
+   Fixed const issue with ImageFileArray
+   Fixed Array2dFile::labelsCopy()
+   Added copy constructor and assignment for Array2dFileLabel class
+   Added Timer to if-2.cpp and ifinfo.cpp
+   Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
+   Added option processing for filter-method for pjrec to choose
+       between convolution, dft, & fft filtering
+   Fixed format string for EZPlot so axis labels now print
+   Added support for FFTW library
+       
 1.9.8 - 6/27/2000
    Rewrote Array2dFile class to be non-templated
    Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
    Rewrote Array2dFileLabel class to make members private, added access routines
    Removed timedate.cpp in favor of standard C library time/date functions
-   Renamed ctrec to pjrec
+   Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
+   Added signature tag and creation date/time to projection files
        
 1.9.7 - 6/25/2000
    Standardized string option processing by classes. All classes use character strings