-2.0.0-b3 - 7/09/00
- Added highly optimized backprojection method idiff3
-
-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, 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
- to select options rather than numeric constants. Added fail() and failMessage()
- methods to verify that objects are created correctly by character strings.
- Hid C++ assignment and copy constructors in classes that should not have assignment/copy
- Rewrote ImageFile class
- Started support for dmallocxx library, not finished
- Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
- Updated ifinfo to show comparative statistics
- Added printLabels() to Array2dFile class
- Added printStatistics() to ImageFile class
-
-1.9.6 - 6/22/2000
- Moved conversion filter name/id to Filter class
- Moved conversion backprojection name/id to Backproj class
- Added MPI broadcasting of strings
-
-1.9.5 - 6/21/2000
- Merged proj_reconstr into class Projections
- Used auto_ptr in Projections::reconstruct to make sure destructor is always called
- Code cleanup in projections.cpp
- Moved conversion of phantom names/id to Phantom class
-
-1.9.4 - 6/20/2000
- Converted projection files to C++ library with frnetorderstream
- Converted image files to C++ library with frnetorderstream
- Converted filter and convolution to object-oriented code
- Changed default image file to float from double -- Changable in imagefile.h
- Optimized image file writing on little-endian architectures
- Updated README and INSTALL
-
-1.9.3 - 6/19/2000
- Reorganized source files
- MPI bug fixed to phm2pj.cpp
-
-1.9.2 - 6/18/2000
- Reorganized include files
- Fixed const pointers in strfuncs
-
-1.9.1 - 6/16/2000
- Renamed directories, moved source files, combined source files
- to change from 6 libraries to 3 libraries (libctsim, libctsupport,
- and libctgraphics)
-
-1.9.0 - 6/15/2000
- Skip versions to make version 2.0 the first fully C++ version
- Renamed Raysums to Projections throughout files
- Renamed Detector to Scanner
- Converted Scanner and Projecions to full object-oriented
-
-0.6.1 - 6/12/2000
- Converted Phantom and PhantomElements to Object-Oriented
- Converted Detector to Object-Oriented
-
-0.6.0-b3 - 6/10/2000
- Improved Integer backprojection method
- Fixed nearest neighbor to be truly nearest neighbor
- Made linear interpolation more integer arithmetic -> speed improvement
- Finished converting all C files to C++
- Converted all use of malloc/free to C++ new/delete
- Began object-oriented conversion of Phantom and Projection structures
-
-0.6.0-b2 - 6/8/2000
- Converted MPI data structures to C++ object
- Made ImageFile directly inherit from Array2dFile
-
-0.6.0-b1 - 6/6/2000
- First C++ conversions
- Portable IF (image file) format implemented with objects (SDF removed)
- - Now all data files are cross-platform compatible
- Converted from MPI to MPI++
- Converted backprojection to object-oriented
- Removed MTX from libkmath as no longer need -- replaced with C++ matrices
-
-0.5.4 - 6/4/2000
- Simpilifed endian handling
-
-0.5.4-b3 - 6/1/2000
- Added support for 64-bit (IA64) CPU
- Removed broken B-spline interpolation
- Added support for cygwin platform under Windows 2000
- Added support for 16-bit PNG graphics
-
-0.5.4-b2 - 5/16/2000
- Added compile-time configuration of endian order
-
-0.5.4-b1 - 5/14/2000
- Modified the raysum file format to be platform independent
-
-0.5.3 - 5/11/2000
- Added Microsoft VC compatibility
- Cleaned up compilation warnings in libgraph
-
-0.5.2-b5 - 5/7/2000
- Continued conversion to ANSI C
- Removed old CRT routines
-
-0.5.2-b4 - 5/4/2000
- Renamed pictures to phantoms, objects to phantom elements
- Continued code cleanup
-
-0.5.2-b3 - 4/30/200
- More code cleanup with reorganizing libraries
- Added --log and --exp to sdf-1
- Allowed negative numbers for window levels in CGI interface
-
-0.5.2-b2 - 4/30/200
- Continued code cleanup
-
-0.5.2-b1 - 4/29/2000
- Fixed a few MPI bugs
- Better documented, coded raysum in-memory on on-disk options
-
-0.5.1 - 4/28/2000
- Cleaned out library that wasn't being used by CTSim
- Modified ctsim.cgi to read in configuration file ctsim.conf
-
-0.5.0 - 4/27/2000
- First open source distribution for GNU/Linux
-
-6/1999
- Converted to GNU/Linux
- added MPI support via LAM library
-
-1983-84
- Developed under MS-DOS and IBM EGA graphics
-