X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=NEWS;h=6f6c8d0432f9723fea22d4d792e448829e8a5949;hb=d8ab8021d9a05fd2840b96eb327f77d11cbc1a10;hp=0e66821a800684f4599a0dad38f1426dd763ceb3;hpb=ace0b1ec31bdd621f947f8b370079bf7fad57361;p=ctsim.git

diff --git a/NEWS b/NEWS
index 0e66821..6f6c8d0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,71 @@
+Version 4.0 Released Jan 2003
+
+* Port to wxWindows 2.4
+
+* Port to Mac OS X
+
+
+Version 3.5 Released May 2002
+
+* New reconstruction technique: Interpolate divergent beams to
+  parallel beams for faster reconstructions.
+
+* Multithreading for running length processes in background. Also
+  takes advantage of multiple-CPU's in SMP systems for speed improvements
+  with parallel processing.
+
+* Region of interest can be specified for reconstruction zooming.
+
+* Import PNG, PPM, and PGM images
+
+* DICOM file import/export
+
+* Clipboard for cutting and pasting images
+
+* Can read and reconstruct SIEMENS AR.STAR DICOM raw data files
+
+* Scattergram of T-Theta sampling. Useful for understanding divergent beam
+  scanning.
+
+* Startup-tips to help new users learn features.
+
+* Ability to place detector at any arbitray position
+
+* Histogram plotting of projection files
+
+
+Version 3.0 New Features
+
+* Greatly improved dialog boxes
+
+* Online and print manuals with context-sensitive help!
+
+* 3-d rotating views of image files
+
+* Creation of arbitrary filter images
+
+* Cubic interpolation for reconstructions
+
+* All features of command line tools are now in graphical ctsim program!
+
+* Complex-valued image files now supported, lots of image math
+ functions added including Fourier transformations
+
+* Visual and statistical image comparision functions
+
+* Plotting of row and column data of single and comparison images
+
+* Histogram Plotting of Image files.
+
+* Conversion of projections to polar images
+
+* Improved animation graphics
+
+* New Microsoft Windows compatible self-installer with explorer extensions 
+to CTSim files
+
+
+
 Version 2.5 of CTSim has been released!
 
 New Features of CTSim version 2.5:
@@ -6,7 +74,7 @@ New Features of CTSim version 2.5:
 
 - First Microsoft Windows graphical user interface
 
-- Bug Fixes and modest documentation and program improvements over version 2.0
+- Bug fixes and modest documentation and program improvements over version 2.0