| ChangeLogMar 21, 2018 Version 6.0.2
* Add more OpenMP parallelism
* Improve testing script comparing results between OpenMP and non-OpenMP builds
* Fix all remaining compiler warnings
Mar 20, 2018 Version 6.0.0
* Migrate to wxgtk3.0
* Add OpenMP parallelism and use by default
Dec 21, 2012 Version 5.2.1
* tools/phm2helix.cpp: Fix spelling mistake
Nov 7, 2010 Version 5.2.0
* tools/ifexport.cpp: Add Text output option (thanks to
Christian Thibaudeau)
Aug 22, 2009 Version 5.1.3
* src/ctsim.cpp
- Improve numbering of unnamed documents. Reduce cut-and-paste code.
* configure.ac
- Use new AC_INIT form to include package information, email, url
Aug 21, 2009 Version 5.1.2
* Conditionalize debugging output
Aug 20, 2009 Version 5.1.1
* Use new wxFont constructor. Adjust font sizes.
Aug 12, 2009 Version 5.1.0
* All known wxwidgets 2.8 compatibility issues have been fixed
Aug 6, 2009 Version 5.0.6
* Use wxWidgets command-line processing rather than existing
native processing.
* ezset.cpp: Initialize scale settings in constructor
* Improve titles of frames
* configure.ac: Use wx-config to determine name of wxGL library
* src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
segv crash when creating 3D objects
Aug 3, 2009 Version 5.0.5
* Fix plots when maximum plot value is the same as minimum
Aug 3, 2009 Version 5.0.5
* More wx2.8 compatibility fixes.
* Fix initial size of Log TextCtrl at start-up.
* Fix display of values in Log window by cleaning up string
transformtions.
Aug 2, 2009 Version 5.0.4
* More wx2.8 compatibility fixes. Ensure that a resize of a window
causes a full repaint for phantom, plot, and graph3d canvases.
Aug 1, 2009 Version 5.0.1
* missing: Update to latest automake version
* configure: make compatible with wxMac
* update few source files for non-unicode wxWidgets 2.8 compatibility
Aug 1, 2009 Version 5.0.0
* Major revision of wxWidgets code to port from wx2.4 to wx2.8
Currently, code compiles without warnings, but there are
GUI visual problems at the momemt running with wx2.8
Sep 17, 2007 Version 4.5.5
* better cleaning in makefiles
* use "const char" variables for string literals
Sep 10, 2007 Version 4.5.4
* configure.ac: Fix builds with multiple versions of wx-config
-- thanks to Steve White
Apr 1, 2007 Version 4.5.3
* include/timer.h: Fix building on GCC 4.3
-- thanks to Martin Michlmayr
Oct 19, 2006 Version 4.5.2
* src/lipctsim/imagefile.cpp: Change delete to fftw_free
-- thanks to Sven Huth
Oct 18, 2006 Version 4.5.1
* configure: rebuild from configure.ac
Oct 15, 2006 Version 4.5.0
* libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
and simply computing rotScale -- thanks to Dan Martin.
Mar 16, 2006 Version 4.4.4
* Changes for g++ 4.1 support
Aug 22, 2005 Version 4.4.2
* New URL for downloading CTSim
Aug 22, 2005 Version 4.4.1
* work-around for compilation problems on Fedora 4 and wxWin 2.4.2
Aug 22, 2005 Version 4.4.0
* Changes in configure.ac for X.org compatibility with Debian Etch
and FC4. May not be backward compatibility with XFree86.
Aug 10, 2004 Version 4.3.2, Version 4.3.3
* Minor changes in man pages to fix groff warnings
Nov 1, 2003 Version 4.3.1
* Add support for SuSE AMD64
Oct 5, 2003 Version 4.3.0
* Ported to incompatible FFTW3 library. CTSim will no longer compile or
run with FFTW2.
* Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
is available
Oct 3, 2003 Version 4.2.7
* Add support for building on RedHat AMD64
Sep 30, 2003 Version 4.2.7
* Fix minor issue with floating point difference backprojection, add
optimization
* Fix building with newest versions of automake 1.7
* Add support for 8-byte longs [for example, Athlon64] in
integer difference backprojection allowing for 64-bit integer
math.
Mar 22, 2003 Version 4.2.3
* Added Fourier reconstruction method
* Support gcc 3.2, wxWindows 2.4, and MacOS X
* Fix polar interpolation
Jun 26, 2002 Version 3.5.6
* Fix minor color PNG image importing bug
* Bug fix for building on Debian alpha platform
* Fix g++ compilation warnings
Jun 13, 2002 Version 3.5.5
* Fix printing of version number
* Minor bug fixes
* Updated Win32 compatibility
Jun 8, 2002 Version 3.5.4
* Print version number in log window with About command
* Fix problem with captions not showing on some windows. Reworked
creation of new windows.
* Disabled status bar on 3d views
* Fix bug in configure.ac that prevented using compiler
optimizations.
* Updated About splash screen
May 29, 2002 Version 3.5.3
* Added support for g++ 3.04 compiler
May 8, 2002 Version 3.5.2
* configure: improved CTN (DICOM) installation search
* src/ctsim.cpp: Fixed initial image size with import command
May 5, 2002 Version 3.5.1
New Features:
* ctsim: Added tips to be displayed at startup and via the help menu.
* ctsim: Added center-detector concept. Allow for detector array
to be any arbitrary distance from center of scanner. As a result,
projection files are not incompatible with previous version of
CTSim.
* ctsim: Added threaded tasks and background manager for
background processing as well as taking advantage of multiple-CPU's
on SMP systems. (Microsoft Windows only)
* ctsim: Added plot t-theta sampling to projection file menu.
* ctsim: Added Reconstruction with Rebinning for faster
divergent beam reconstructions.
* ctsim: Added import and export of DICOM image files.
* ctsim: Added PPM, PGM, and PNG file import to imagefile.
* ctsim: Added FFT/IFFT of columns of image files.
* ctsim: Added clipboard cut/copy/paste for image files.
* ctsim: Added region of interest to reconstructions.
* ctsim: Added Convert Rectangular Image to Projection files
* ctsim: Added "Verbose Logging", "Startup Tips", and
"Background processes" options to Preferences dialog.
* ctsim: Added plotting of projection file histograms.
* plotfile: Added scattergram plot functions
* ctsim: Added accelerator key for File-Properties
* ctsim: Improved wireframe 3-d display to remove hidden
surfaces.
* backprojectors.cpp: Added setting of axis extent and increment
to reconstructions.
* projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
projection data files.
Bug Fixes:
* views.cpp: reduced calls to progress bar update, significant speedup
* views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
not being displayed on Unix platforms.
* views.cpp: Added out-of-memory checks to display for huge
image and projection files.
* filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
* imagefile.cpp: Fixed scaling factor in fftRows
* imagefile.cpp: Fixed bug when performing magnitude() on real-valued
image.
* sgp.cpp: Fixed bug in drawCircle.
* distribution: fixed problem with documentation files not
being included with the distribution (Reported by Ian Kay).
* sgp.cpp/ezplot.cpp: Improved plotting with markers.
* fixed ctsimtext shell when giving no parameters to function-name
* phm2if, phm2pj: Updated help messages for renamed phantoms
3.0.3 - Released 2/20/01
* ctsim: Fixed core dump on Linux with OpenGL
* ctsim: Fixed context-sensitive help on Linux
* ctsim: Fixed About box on Linux
3.0.2 - Released 2/20/01
* scanner.cpp: Fixed bug when number of detectors was even.
* ctsim: Improved error handling when trying to convert
divergent projections into polar form.
3.0.1 - Released 2/19/01
* ctsim: Fixed dialog box for reconstruction so that
rotation angle setting will stay fixed in-between use
of the dialog box.
* syserror: Fixed display bug for trace messages
* ctsim: MSVC optimization bug work-around, compiler
options changed.
3.0.0 - Released 2/19/01
* ctsim: Massive update/fix to online help and print manual.
* ctsim: Added context-sensitive help to dialog boxes
* ctsim: Reformated all dialog boxes, much nicer now.
* ctsim: Improved accelerator key handling
* global: Added Hanning filter.
* global: Improved default parameters to that all defaults give
sensible output.
3.0.0beta1 - Released 2/11/01
* ctsim: Added most-recently-used files to File menu with
registry storage between executions.
* ctsim: Hides arcane features unless enabled by Preferences dialog
* ctsim: Added MDI interface for Windows version and made it default for Windows.
* ctsim: Added 3-D wireframe view of images (uses OpenGL)
* ctsim: Added graphical About box
* ctsim: Escape key now removes cursor lines from image file view
* ctsim: Added Revert to ImageFile menu
* ctsim: Added accelerator (hotkeys) to frames
* ctsim: Online help added!
* backprojector: Added cubic interpolation
* ctsim: Added icons to Frames on X-Window and MS Windows versions
* ctsim: Fixed tick-label placement for plots on projection and
reconstruction dialogs.
* timer.h: Add use of _ftime when compiling on MSVC
* global: Projection files are not compatible with previous version
due to new scanner definitions.
* global: deleted concept of field-of-view and added
view ratio and scan ratio concepts.
* ctsim: Fixed crash on shutdown bug
* pjinfo: Fixed bug when doing --dump and not specifing --endview
* phm2pj: Fixed MPI bug with broadcasting of variables
* ctsimtext-lam: Changes for first version to compile under lam
3.0.0alpha5 - Released 1/12/00
* ctsim: Added EZPlotDialog, used by debugging plots in
procsignal.cpp
* ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
bug in parsing command-line parameters.
* views.cpp: Fixed bug in copying of labels from images to
plotfiles
* syserror.cpp: fixed reporting for fatal errors
* projections.cpp: fixed MSVC failure with std:: namespace
* procsignal.cpp: fixed bug in equiangular reconstructions
for frequency/inverse-fourier filtering
3.0.0alpha4 - Released 1/09/01
* ctsim: Added reset to full-intensity scale menu item
* ctsim: Add conversion of projections to polar plot [Thanks to
Ian Kay for reference and math hints in polar bilinear scaling]
* ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
for math tips]
* ctsim: imagefile labels are now copied to plotfiles
* ctsim: Added more analyze menuitems
* ctsimtext: First version. All command-line tools are now accessed
through this master shell. Has both command-line and interactive
interface
* ctsim: Fixed initialization of min/max bug for PlotFiles
* ezplot: Cleaned up y-tick label placement
* sgp: Added better support for projection/reconstruction animation
3.0.0alpha3 - Released 1/02/01
* ctsim: Added plotting of histograms
* imagefile.cpp: fixed bug in generation of 16-bit PNG images
* ezplot.cpp: adjusted xtick label displays for better placement
3.0alpha2 - Released 1/02/01
* 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.
* 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
* ctsim: Added image comparison statistics and image subtraction
* ctsim: Added plotting of rows & columns with y-axis scaling
* ctsim: Added row and column plot comparisons between two image
files.
* ctsim: Added "Process" menu to image file display with math
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. 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.
* if2: Updated to output plot files and use new ImageFile class
math functions
* if1: Updated to use new ImageFile class math functions
* ezplot: Reworked to better store colors/linestyles/symbols with
individual curves. Improved display of labels and ticks. Updated
to use POL class member variable. Updated to more C++ conventions.
* pol: converted to C++ class. Extracted HashTable to separate
class.
* sgp: Added linestyle settings
2.5.0 - 12/18/00
First Microsoft Windows GUI version
Modifications for Microsoft Visual C++ compilation.
Improved pjinfo to output binary headers and view data, useful
when manually compiling phantoms that vary during projection
process. Thanks to Ian Kay for idea and code submission.
Improved sorting to find median in ImageFile::statistics
Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
Changed reconstruction dialog to fix onto smaller screens
Fixed display of plotting in Projection views
Improved animation displays for Projections and Reconstructions
Changed code to explicitly use std:: namespace rather than
"namespace using std" statements
Fixed reconstruction scaling bug introduced in 2.0.6
Renamed if2img to ifexport, if-1 to if1, if-2 to if2
2.0.6 - 12/03/00
Fixed minor compilation problem with procsignal.h
Updated README file
Fixed bug when simulating projections and Trace == CONSOLE
Fixed scaling bug when performing redundant rotations around object
2.0.5 - 12/01/00
Improved compilation on RedHat 7
Changed some of ANSI C header files to C++ header files
Removed README.RedHat7
2.0.4 - 11/25/00
Added documentation for --geometry setting
Added README.RedHat7 document
2.0.3 - 11/20/00
Fixed bug in generation of binary PGM files
Fixed MPI compilation bug in phm2pj.cpp
Inverted y-axis output for pj2if (bug alert from Ian Kay)
2.0.2 - 11/8/00
Additions to man pages (Ian Kay)
Fix problem with reading of ASCII phantom files (Ian Kay)
2.0.1 - 10/1/00
Fixed syntax error in fftw configuration
Slight modifications to support gcc v2.9.6
2.0.0 - 9/7/00
Version 2.0.0 released!
ctsim: Added Window menu to Main frame
ctsim: Disabled not support reconstruction method
Fixed obscure bug in sys_error
Fixed compilation in mingw environment not present
Fixed compilation in non-graphical environments
2.0.0-b12 - 9/4/00
ctsim: Added animation of reconstruction
ctsim: Added saving of dialog parameters for Projection & Reconstruction
ctsim: Added progress dialog for rasterization of phantom
ctsim: used setpriority to set lower priority
ctsim: fixed pReconstruct not being deleted causing scaling problem
ctsim: fixed projection animation dialog buttons
2.0.0-b11 - 9/1/00
ctsim: Added projection graph to animation of projection collection
ctsim: Added single stepping to projection collection animation
ctsim: improved File/Properties display for projection files
ctsim: Added progress dialog for reconstructions
ctsim: Added file labels for projection and reconstruction images
ctsim: Made File/Properties bring up modal dialogs
Added reconstruction for Equilinear and Equiangular geometries
Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
Separated reconstruction into Reconstructor class
Fixed center of detector adjustment for even number of detectors
Added --enable-static to generate statically linked programs
2.0.0-b10 - 8/25/00
ctsim: Added animation of projection collection processs
ctsim: Added Auto Scaling for image windows
ctsim: Change menus from "windowing" to "display scaling"
Added FieldOfView and FocalLength ratio parameters to projection collection
Added FocalLength & FieldOfView fields to projection data files
Added Projection collection for Equilinear and Equiangular geometries
Changed name of Rowland Phantom to correct name of Shepp-Logan
Fixed bug in backprojection selection
2.0.0-b9 - 8/22/00
Added RCS Id strings to executable files
Added RPM Spec file for RPM package creation
Added loading of ASCII phanthom definitions from files
Fixed compilation for non-SGP architectures
Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
Added Filter-Generation option to reconstruction to allow direct or
inverse_fourier construction of filters
Added median to statistics and to auto-windowing
2.0.0-b8 - 8/1/00
Added line color support to SGP
Fixed lineAbs bug
2.0.0-b7 - 7/25/00
Finished support for dmallocxx library
Fixed bug in SignalFilter::convertFilterMethodNameToID()
Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
G2 windows and well as WXWindows.
ctsim program: "Create Phantom" now shows phantom object
Fixed row-plot bug in if-2
Reworked EZPlot's multiple plot operation
2.0.0-b6 - 7/22/00
ctsim program: improved initial size and scroll area for image
and projection files
ctsim program: added rasterization parameters, projections parameters,
and reconstruction parameters dialogs
Moved char[] static definition from header files to c++ files
Completely reorganized option processing in classes to improve
expandability and to assist ctsim graphical user interface.
2.0.0-b5 - 7/17/00
ctsim program: Added dialog to set minimum/maximum display levels
Started ctsim.tex document file
2.0.0-b4 - 7/13/00
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, 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
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