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[ctsim.git] / ChangeLog

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+++ b/ChangeLog
@@ -1,8 +1,31 @@
-TODO
-       Read PlotFile's.
+3.0alpha2 - Released 1/01/01
+       
+       * ctsim: All functions of command-line tools are now in graphical ctsim
+       
+       * ctsim: added generation of filter images
+
+       * ctsim: Added 2-image math functions (mul, add, div, sub)
+
+       * ctsim: Added export of imagefiles to graphic file formats
+
+       * ctsim: Added support for scaling imagefiles in new sizes
 
+       * ctsim: Added ability to save standard phantom definitions as
+       text files suitable for reading.
        
-3.0alpha1 - Released 12/30/00
+       * ctsim: Add labels for image transformations and display of labels
+       when performing properties of images.
+
+       * processsignal.cpp: Fixed "off by one" bug in
+       shuffleNaturalToFourierOrder when n is even. Moved functions to
+       fourier.cpp
+
+       * imagefile.cpp: Added FFTW library to imagefile processing. Converted
+       image math functions to complex-valued math.
+
+       * phantom.cpp: Added ability to save phantom files as ASCII text.
+       
+3.0alpha1 - Released 12/29/00
 
        * Added PlotFile class to system, used by if2 and ctsim for row
        and column plots and comparison plots
@@ -15,14 +38,19 @@ TODO
        files.
 
        * ctsim: Added "Process" menu to image file display with math
-       functions. Added 2-dimensional inverse Fourier to math functions.
+       functions. Added 2-dimensional inverse Fourier to math
+       functions. Added support for complex (real/imaginary) images.
 
        * mathfuncs.cpp: Reworked statistics algorithm to share between
        imagefile and plotfile classes.
 
        * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
        nsamples > 2.  Added generic mage math functions, moved from
-       if1.cpp and if2.cpp to imagefile.cpp
+       if1.cpp and if2.cpp to imagefile.cpp. Added support complex
+       images.
+
+       * array2dfile.cpp: Added code to support complex (real/imaginary)
+       images.
 
        * if1: Updated to handle error conditions, such as sqrt of a
        negative number. Converted to use new ImageFile math functions.