1 Mar 21, 2018 Version 6.0.2
2 * Add more OpenMP parallelism
3 * Improve testing script comparing results between OpenMP and non-OpenMP builds
4 * Fix all remaining compiler warnings
6 Mar 20, 2018 Version 6.0.0
8 * Add OpenMP parallelism and use by default
10 Dec 21, 2012 Version 5.2.1
11 * tools/phm2helix.cpp: Fix spelling mistake
13 Nov 7, 2010 Version 5.2.0
14 * tools/ifexport.cpp: Add Text output option (thanks to
17 Aug 22, 2009 Version 5.1.3
19 - Improve numbering of unnamed documents. Reduce cut-and-paste code.
21 - Use new AC_INIT form to include package information, email, url
23 Aug 21, 2009 Version 5.1.2
24 * Conditionalize debugging output
26 Aug 20, 2009 Version 5.1.1
27 * Use new wxFont constructor. Adjust font sizes.
29 Aug 12, 2009 Version 5.1.0
30 * All known wxwidgets 2.8 compatibility issues have been fixed
32 Aug 6, 2009 Version 5.0.6
33 * Use wxWidgets command-line processing rather than existing
35 * ezset.cpp: Initialize scale settings in constructor
36 * Improve titles of frames
37 * configure.ac: Use wx-config to determine name of wxGL library
38 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
39 segv crash when creating 3D objects
41 Aug 3, 2009 Version 5.0.5
42 * Fix plots when maximum plot value is the same as minimum
44 Aug 3, 2009 Version 5.0.5
45 * More wx2.8 compatibility fixes.
46 * Fix initial size of Log TextCtrl at start-up.
47 * Fix display of values in Log window by cleaning up string
50 Aug 2, 2009 Version 5.0.4
51 * More wx2.8 compatibility fixes. Ensure that a resize of a window
52 causes a full repaint for phantom, plot, and graph3d canvases.
54 Aug 1, 2009 Version 5.0.1
55 * missing: Update to latest automake version
56 * configure: make compatible with wxMac
57 * update few source files for non-unicode wxWidgets 2.8 compatibility
59 Aug 1, 2009 Version 5.0.0
60 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
61 Currently, code compiles without warnings, but there are
62 GUI visual problems at the momemt running with wx2.8
64 Sep 17, 2007 Version 4.5.5
65 * better cleaning in makefiles
66 * use "const char" variables for string literals
68 Sep 10, 2007 Version 4.5.4
69 * configure.ac: Fix builds with multiple versions of wx-config
70 -- thanks to Steve White
72 Apr 1, 2007 Version 4.5.3
73 * include/timer.h: Fix building on GCC 4.3
74 -- thanks to Martin Michlmayr
76 Oct 19, 2006 Version 4.5.2
77 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
78 -- thanks to Sven Huth
80 Oct 18, 2006 Version 4.5.1
81 * configure: rebuild from configure.ac
83 Oct 15, 2006 Version 4.5.0
84 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
85 and simply computing rotScale -- thanks to Dan Martin.
87 Mar 16, 2006 Version 4.4.4
88 * Changes for g++ 4.1 support
90 Aug 22, 2005 Version 4.4.2
91 * New URL for downloading CTSim
93 Aug 22, 2005 Version 4.4.1
94 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
96 Aug 22, 2005 Version 4.4.0
97 * Changes in configure.ac for X.org compatibility with Debian Etch
98 and FC4. May not be backward compatibility with XFree86.
100 Aug 10, 2004 Version 4.3.2, Version 4.3.3
101 * Minor changes in man pages to fix groff warnings
103 Nov 1, 2003 Version 4.3.1
104 * Add support for SuSE AMD64
106 Oct 5, 2003 Version 4.3.0
107 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
109 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
112 Oct 3, 2003 Version 4.2.7
113 * Add support for building on RedHat AMD64
115 Sep 30, 2003 Version 4.2.7
116 * Fix minor issue with floating point difference backprojection, add
119 * Fix building with newest versions of automake 1.7
121 * Add support for 8-byte longs [for example, Athlon64] in
122 integer difference backprojection allowing for 64-bit integer
125 Mar 22, 2003 Version 4.2.3
127 * Added Fourier reconstruction method
129 * Support gcc 3.2, wxWindows 2.4, and MacOS X
131 * Fix polar interpolation
133 Jun 26, 2002 Version 3.5.6
135 * Fix minor color PNG image importing bug
137 * Bug fix for building on Debian alpha platform
139 * Fix g++ compilation warnings
141 Jun 13, 2002 Version 3.5.5
143 * Fix printing of version number
147 * Updated Win32 compatibility
149 Jun 8, 2002 Version 3.5.4
151 * Print version number in log window with About command
153 * Fix problem with captions not showing on some windows. Reworked
154 creation of new windows.
156 * Disabled status bar on 3d views
158 * Fix bug in configure.ac that prevented using compiler
161 * Updated About splash screen
163 May 29, 2002 Version 3.5.3
164 * Added support for g++ 3.04 compiler
166 May 8, 2002 Version 3.5.2
167 * configure: improved CTN (DICOM) installation search
168 * src/ctsim.cpp: Fixed initial image size with import command
170 May 5, 2002 Version 3.5.1
174 * ctsim: Added tips to be displayed at startup and via the help menu.
175 * ctsim: Added center-detector concept. Allow for detector array
176 to be any arbitrary distance from center of scanner. As a result,
177 projection files are not incompatible with previous version of
179 * ctsim: Added threaded tasks and background manager for
180 background processing as well as taking advantage of multiple-CPU's
181 on SMP systems. (Microsoft Windows only)
182 * ctsim: Added plot t-theta sampling to projection file menu.
183 * ctsim: Added Reconstruction with Rebinning for faster
184 divergent beam reconstructions.
185 * ctsim: Added import and export of DICOM image files.
186 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
187 * ctsim: Added FFT/IFFT of columns of image files.
188 * ctsim: Added clipboard cut/copy/paste for image files.
189 * ctsim: Added region of interest to reconstructions.
190 * ctsim: Added Convert Rectangular Image to Projection files
191 * ctsim: Added "Verbose Logging", "Startup Tips", and
192 "Background processes" options to Preferences dialog.
193 * ctsim: Added plotting of projection file histograms.
194 * plotfile: Added scattergram plot functions
195 * ctsim: Added accelerator key for File-Properties
196 * ctsim: Improved wireframe 3-d display to remove hidden
198 * backprojectors.cpp: Added setting of axis extent and increment
200 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
201 projection data files.
205 * views.cpp: reduced calls to progress bar update, significant speedup
206 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
207 not being displayed on Unix platforms.
208 * views.cpp: Added out-of-memory checks to display for huge
209 image and projection files.
210 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
211 * imagefile.cpp: Fixed scaling factor in fftRows
212 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
214 * sgp.cpp: Fixed bug in drawCircle.
215 * distribution: fixed problem with documentation files not
216 being included with the distribution (Reported by Ian Kay).
217 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
218 * fixed ctsimtext shell when giving no parameters to function-name
219 * phm2if, phm2pj: Updated help messages for renamed phantoms
221 3.0.3 - Released 2/20/01
223 * ctsim: Fixed core dump on Linux with OpenGL
225 * ctsim: Fixed context-sensitive help on Linux
227 * ctsim: Fixed About box on Linux
229 3.0.2 - Released 2/20/01
231 * scanner.cpp: Fixed bug when number of detectors was even.
233 * ctsim: Improved error handling when trying to convert
234 divergent projections into polar form.
236 3.0.1 - Released 2/19/01
238 * ctsim: Fixed dialog box for reconstruction so that
239 rotation angle setting will stay fixed in-between use
242 * syserror: Fixed display bug for trace messages
244 * ctsim: MSVC optimization bug work-around, compiler
247 3.0.0 - Released 2/19/01
249 * ctsim: Massive update/fix to online help and print manual.
251 * ctsim: Added context-sensitive help to dialog boxes
253 * ctsim: Reformated all dialog boxes, much nicer now.
255 * ctsim: Improved accelerator key handling
257 * global: Added Hanning filter.
259 * global: Improved default parameters to that all defaults give
262 3.0.0beta1 - Released 2/11/01
264 * ctsim: Added most-recently-used files to File menu with
265 registry storage between executions.
267 * ctsim: Hides arcane features unless enabled by Preferences dialog
269 * ctsim: Added MDI interface for Windows version and made it default for Windows.
271 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
273 * ctsim: Added graphical About box
275 * ctsim: Escape key now removes cursor lines from image file view
277 * ctsim: Added Revert to ImageFile menu
279 * ctsim: Added accelerator (hotkeys) to frames
281 * ctsim: Online help added!
283 * backprojector: Added cubic interpolation
285 * ctsim: Added icons to Frames on X-Window and MS Windows versions
287 * ctsim: Fixed tick-label placement for plots on projection and
288 reconstruction dialogs.
290 * timer.h: Add use of _ftime when compiling on MSVC
292 * global: Projection files are not compatible with previous version
293 due to new scanner definitions.
295 * global: deleted concept of field-of-view and added
296 view ratio and scan ratio concepts.
298 * ctsim: Fixed crash on shutdown bug
300 * pjinfo: Fixed bug when doing --dump and not specifing --endview
302 * phm2pj: Fixed MPI bug with broadcasting of variables
304 * ctsimtext-lam: Changes for first version to compile under lam
307 3.0.0alpha5 - Released 1/12/00
309 * ctsim: Added EZPlotDialog, used by debugging plots in
312 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
313 bug in parsing command-line parameters.
315 * views.cpp: Fixed bug in copying of labels from images to
318 * syserror.cpp: fixed reporting for fatal errors
320 * projections.cpp: fixed MSVC failure with std:: namespace
322 * procsignal.cpp: fixed bug in equiangular reconstructions
323 for frequency/inverse-fourier filtering
325 3.0.0alpha4 - Released 1/09/01
327 * ctsim: Added reset to full-intensity scale menu item
329 * ctsim: Add conversion of projections to polar plot [Thanks to
330 Ian Kay for reference and math hints in polar bilinear scaling]
332 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
335 * ctsim: imagefile labels are now copied to plotfiles
337 * ctsim: Added more analyze menuitems
339 * ctsimtext: First version. All command-line tools are now accessed
340 through this master shell. Has both command-line and interactive
343 * ctsim: Fixed initialization of min/max bug for PlotFiles
345 * ezplot: Cleaned up y-tick label placement
347 * sgp: Added better support for projection/reconstruction animation
349 3.0.0alpha3 - Released 1/02/01
351 * ctsim: Added plotting of histograms
353 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
355 * ezplot.cpp: adjusted xtick label displays for better placement
357 3.0alpha2 - Released 1/02/01
359 * ctsim: All functions of command-line tools are now in graphical ctsim
361 * ctsim: added generation of filter images
363 * ctsim: Added 2-image math functions (mul, add, div, sub)
365 * ctsim: Added export of imagefiles to graphic file formats
367 * ctsim: Added support for scaling imagefiles in new sizes
369 * ctsim: Added ability to save standard phantom definitions as
370 text files suitable for reading.
372 * ctsim: Add labels for image transformations and display of labels
373 when performing properties of images.
375 * processsignal.cpp: Fixed "off by one" bug in
376 shuffleNaturalToFourierOrder when n is even. Moved functions to
379 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
380 image math functions to complex-valued math.
382 * phantom.cpp: Added ability to save phantom files as ASCII text.
384 3.0alpha1 - Released 12/29/00
386 * Added PlotFile class to system, used by if2 and ctsim for row
387 and column plots and comparison plots
389 * ctsim: Added image comparison statistics and image subtraction
391 * ctsim: Added plotting of rows & columns with y-axis scaling
393 * ctsim: Added row and column plot comparisons between two image
396 * ctsim: Added "Process" menu to image file display with math
397 functions. Added 2-dimensional inverse Fourier to math
398 functions. Added support for complex (real/imaginary) images.
400 * mathfuncs.cpp: Reworked statistics algorithm to share between
401 imagefile and plotfile classes.
403 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
404 nsamples > 2. Added generic mage math functions, moved from
405 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
408 * array2dfile.cpp: Added code to support complex (real/imaginary)
411 * if1: Updated to handle error conditions, such as sqrt of a
412 negative number. Converted to use new ImageFile math functions.
414 * if2: Updated to output plot files and use new ImageFile class
417 * if1: Updated to use new ImageFile class math functions
419 * ezplot: Reworked to better store colors/linestyles/symbols with
420 individual curves. Improved display of labels and ticks. Updated
421 to use POL class member variable. Updated to more C++ conventions.
423 * pol: converted to C++ class. Extracted HashTable to separate
426 * sgp: Added linestyle settings
429 First Microsoft Windows GUI version
430 Modifications for Microsoft Visual C++ compilation.
431 Improved pjinfo to output binary headers and view data, useful
432 when manually compiling phantoms that vary during projection
433 process. Thanks to Ian Kay for idea and code submission.
434 Improved sorting to find median in ImageFile::statistics
435 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
436 Changed reconstruction dialog to fix onto smaller screens
437 Fixed display of plotting in Projection views
438 Improved animation displays for Projections and Reconstructions
439 Changed code to explicitly use std:: namespace rather than
440 "namespace using std" statements
441 Fixed reconstruction scaling bug introduced in 2.0.6
442 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
445 Fixed minor compilation problem with procsignal.h
447 Fixed bug when simulating projections and Trace == CONSOLE
448 Fixed scaling bug when performing redundant rotations around object
451 Improved compilation on RedHat 7
452 Changed some of ANSI C header files to C++ header files
453 Removed README.RedHat7
456 Added documentation for --geometry setting
457 Added README.RedHat7 document
460 Fixed bug in generation of binary PGM files
461 Fixed MPI compilation bug in phm2pj.cpp
462 Inverted y-axis output for pj2if (bug alert from Ian Kay)
465 Additions to man pages (Ian Kay)
466 Fix problem with reading of ASCII phantom files (Ian Kay)
469 Fixed syntax error in fftw configuration
470 Slight modifications to support gcc v2.9.6
473 Version 2.0.0 released!
474 ctsim: Added Window menu to Main frame
475 ctsim: Disabled not support reconstruction method
476 Fixed obscure bug in sys_error
477 Fixed compilation in mingw environment not present
478 Fixed compilation in non-graphical environments
481 ctsim: Added animation of reconstruction
482 ctsim: Added saving of dialog parameters for Projection & Reconstruction
483 ctsim: Added progress dialog for rasterization of phantom
484 ctsim: used setpriority to set lower priority
485 ctsim: fixed pReconstruct not being deleted causing scaling problem
486 ctsim: fixed projection animation dialog buttons
489 ctsim: Added projection graph to animation of projection collection
490 ctsim: Added single stepping to projection collection animation
491 ctsim: improved File/Properties display for projection files
492 ctsim: Added progress dialog for reconstructions
493 ctsim: Added file labels for projection and reconstruction images
494 ctsim: Made File/Properties bring up modal dialogs
495 Added reconstruction for Equilinear and Equiangular geometries
496 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
497 Separated reconstruction into Reconstructor class
498 Fixed center of detector adjustment for even number of detectors
499 Added --enable-static to generate statically linked programs
502 ctsim: Added animation of projection collection processs
503 ctsim: Added Auto Scaling for image windows
504 ctsim: Change menus from "windowing" to "display scaling"
505 Added FieldOfView and FocalLength ratio parameters to projection collection
506 Added FocalLength & FieldOfView fields to projection data files
507 Added Projection collection for Equilinear and Equiangular geometries
508 Changed name of Rowland Phantom to correct name of Shepp-Logan
509 Fixed bug in backprojection selection
512 Added RCS Id strings to executable files
513 Added RPM Spec file for RPM package creation
514 Added loading of ASCII phanthom definitions from files
515 Fixed compilation for non-SGP architectures
516 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
517 Added Filter-Generation option to reconstruction to allow direct or
518 inverse_fourier construction of filters
519 Added median to statistics and to auto-windowing
522 Added line color support to SGP
526 Finished support for dmallocxx library
527 Fixed bug in SignalFilter::convertFilterMethodNameToID()
528 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
529 G2 windows and well as WXWindows.
530 ctsim program: "Create Phantom" now shows phantom object
531 Fixed row-plot bug in if-2
532 Reworked EZPlot's multiple plot operation
535 ctsim program: improved initial size and scroll area for image
537 ctsim program: added rasterization parameters, projections parameters,
538 and reconstruction parameters dialogs
539 Moved char[] static definition from header files to c++ files
540 Completely reorganized option processing in classes to improve
541 expandability and to assist ctsim graphical user interface.
544 ctsim program: Added dialog to set minimum/maximum display levels
545 Started ctsim.tex document file
548 Fixed compiler warnings at -Wall level
549 Began work on CTSim program to be graphical front-end of all functions
550 Moved current src/*.cpp to tools/*.cpp
551 Made CTSim graphical front-end's home to be src/
554 Added highly optimized backprojection method idiff3
555 Moved comparative stats to if-2 program from ifinfo
556 Fixed image display in if2img using G2 library
557 Added column-plot and row-plot options to if-2
558 Added autoselection of analytic/calculated spatial responses to SignalFilter
559 Added frequency-based preinterpolation to SignalFilter and idiff3
560 backprojection method. Currently, this technique is still under
561 development and debugging
562 Moved graphic file writing to ImageFile class from if2img program
565 Cleaned up SignalFilter class
566 Added zeropad option to pjrec
567 Added zeropad options to html and cgi files
568 Added fourier_table and rfttw filter methods
569 Added FFTW routines to use real/half-complex transformations
572 Updated trace level processing
573 Added trace level to SignalFilter
574 Fixed magnitude vs. real output bug in FFT/Fourier filter
577 Fixed const issue with ImageFileArray
578 Fixed Array2dFile::labelsCopy()
579 Added copy constructor and assignment for Array2dFileLabel class
580 Added Timer to if-2.cpp and ifinfo.cpp
581 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
582 Added option processing for filter-method for pjrec to choose
583 between convolution, dft, & fft filtering
584 Fixed format string for EZPlot so axis labels now print
585 Added support for FFTW library
588 Rewrote Array2dFile class to be non-templated
589 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
590 Rewrote Array2dFileLabel class to make members private, added access routines
591 Removed timedate.cpp in favor of standard C library time/date functions
592 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
593 Added signature tag and creation date/time to projection files
596 Standardized string option processing by classes. All classes use character strings
597 to select options rather than numeric constants. Added fail() and failMessage()
598 methods to verify that objects are created correctly by character strings.
599 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
600 Rewrote ImageFile class
601 Started support for dmallocxx library, not finished
602 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
603 Updated ifinfo to show comparative statistics
604 Added printLabels() to Array2dFile class
605 Added printStatistics() to ImageFile class
608 Moved conversion filter name/id to Filter class
609 Moved conversion backprojection name/id to Backproj class
610 Added MPI broadcasting of strings
613 Merged proj_reconstr into class Projections
614 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
615 Code cleanup in projections.cpp
616 Moved conversion of phantom names/id to Phantom class
619 Converted projection files to C++ library with frnetorderstream
620 Converted image files to C++ library with frnetorderstream
621 Converted filter and convolution to object-oriented code
622 Changed default image file to float from double -- Changable in imagefile.h
623 Optimized image file writing on little-endian architectures
624 Updated README and INSTALL
627 Reorganized source files
628 MPI bug fixed to phm2pj.cpp
631 Reorganized include files
632 Fixed const pointers in strfuncs
635 Renamed directories, moved source files, combined source files
636 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
640 Skip versions to make version 2.0 the first fully C++ version
641 Renamed Raysums to Projections throughout files
642 Renamed Detector to Scanner
643 Converted Scanner and Projecions to full object-oriented
646 Converted Phantom and PhantomElements to Object-Oriented
647 Converted Detector to Object-Oriented
650 Improved Integer backprojection method
651 Fixed nearest neighbor to be truly nearest neighbor
652 Made linear interpolation more integer arithmetic -> speed improvement
653 Finished converting all C files to C++
654 Converted all use of malloc/free to C++ new/delete
655 Began object-oriented conversion of Phantom and Projection structures
658 Converted MPI data structures to C++ object
659 Made ImageFile directly inherit from Array2dFile
662 First C++ conversions
663 Portable IF (image file) format implemented with objects (SDF removed)
664 - Now all data files are cross-platform compatible
665 Converted from MPI to MPI++
666 Converted backprojection to object-oriented
667 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
670 Simpilifed endian handling
673 Added support for 64-bit (IA64) CPU
674 Removed broken B-spline interpolation
675 Added support for cygwin platform under Windows 2000
676 Added support for 16-bit PNG graphics
679 Added compile-time configuration of endian order
682 Modified the raysum file format to be platform independent
685 Added Microsoft VC compatibility
686 Cleaned up compilation warnings in libgraph
689 Continued conversion to ANSI C
690 Removed old CRT routines
693 Renamed pictures to phantoms, objects to phantom elements
694 Continued code cleanup
697 More code cleanup with reorganizing libraries
698 Added --log and --exp to sdf-1
699 Allowed negative numbers for window levels in CGI interface
702 Continued code cleanup
706 Better documented, coded raysum in-memory on on-disk options
709 Cleaned out library that wasn't being used by CTSim
710 Modified ctsim.cgi to read in configuration file ctsim.conf
713 First open source distribution for GNU/Linux
716 Converted to GNU/Linux
717 added MPI support via LAM library
720 Developed under MS-DOS and IBM EGA graphics