1 Mar 20, 2018 Version 6.0.0
3 * Add OpenMP parallelism and use by default
5 Dec 21, 2012 Version 5.2.1
6 * tools/phm2helix.cpp: Fix spelling mistake
8 Nov 7, 2010 Version 5.2.0
9 * tools/ifexport.cpp: Add Text output option (thanks to
12 Aug 22, 2009 Version 5.1.3
14 - Improve numbering of unnamed documents. Reduce cut-and-paste code.
16 - Use new AC_INIT form to include package information, email, url
18 Aug 21, 2009 Version 5.1.2
19 * Conditionalize debugging output
21 Aug 20, 2009 Version 5.1.1
22 * Use new wxFont constructor. Adjust font sizes.
24 Aug 12, 2009 Version 5.1.0
25 * All known wxwidgets 2.8 compatibility issues have been fixed
27 Aug 6, 2009 Version 5.0.6
28 * Use wxWidgets command-line processing rather than existing
30 * ezset.cpp: Initialize scale settings in constructor
31 * Improve titles of frames
32 * configure.ac: Use wx-config to determine name of wxGL library
33 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
34 segv crash when creating 3D objects
36 Aug 3, 2009 Version 5.0.5
37 * Fix plots when maximum plot value is the same as minimum
39 Aug 3, 2009 Version 5.0.5
40 * More wx2.8 compatibility fixes.
41 * Fix initial size of Log TextCtrl at start-up.
42 * Fix display of values in Log window by cleaning up string
45 Aug 2, 2009 Version 5.0.4
46 * More wx2.8 compatibility fixes. Ensure that a resize of a window
47 causes a full repaint for phantom, plot, and graph3d canvases.
49 Aug 1, 2009 Version 5.0.1
50 * missing: Update to latest automake version
51 * configure: make compatible with wxMac
52 * update few source files for non-unicode wxWidgets 2.8 compatibility
54 Aug 1, 2009 Version 5.0.0
55 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
56 Currently, code compiles without warnings, but there are
57 GUI visual problems at the momemt running with wx2.8
59 Sep 17, 2007 Version 4.5.5
60 * better cleaning in makefiles
61 * use "const char" variables for string literals
63 Sep 10, 2007 Version 4.5.4
64 * configure.ac: Fix builds with multiple versions of wx-config
65 -- thanks to Steve White
67 Apr 1, 2007 Version 4.5.3
68 * include/timer.h: Fix building on GCC 4.3
69 -- thanks to Martin Michlmayr
71 Oct 19, 2006 Version 4.5.2
72 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
73 -- thanks to Sven Huth
75 Oct 18, 2006 Version 4.5.1
76 * configure: rebuild from configure.ac
78 Oct 15, 2006 Version 4.5.0
79 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
80 and simply computing rotScale -- thanks to Dan Martin.
82 Mar 16, 2006 Version 4.4.4
83 * Changes for g++ 4.1 support
85 Aug 22, 2005 Version 4.4.2
86 * New URL for downloading CTSim
88 Aug 22, 2005 Version 4.4.1
89 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
91 Aug 22, 2005 Version 4.4.0
92 * Changes in configure.ac for X.org compatibility with Debian Etch
93 and FC4. May not be backward compatibility with XFree86.
95 Aug 10, 2004 Version 4.3.2, Version 4.3.3
96 * Minor changes in man pages to fix groff warnings
98 Nov 1, 2003 Version 4.3.1
99 * Add support for SuSE AMD64
101 Oct 5, 2003 Version 4.3.0
102 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
104 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
107 Oct 3, 2003 Version 4.2.7
108 * Add support for building on RedHat AMD64
110 Sep 30, 2003 Version 4.2.7
111 * Fix minor issue with floating point difference backprojection, add
114 * Fix building with newest versions of automake 1.7
116 * Add support for 8-byte longs [for example, Athlon64] in
117 integer difference backprojection allowing for 64-bit integer
120 Mar 22, 2003 Version 4.2.3
122 * Added Fourier reconstruction method
124 * Support gcc 3.2, wxWindows 2.4, and MacOS X
126 * Fix polar interpolation
128 Jun 26, 2002 Version 3.5.6
130 * Fix minor color PNG image importing bug
132 * Bug fix for building on Debian alpha platform
134 * Fix g++ compilation warnings
136 Jun 13, 2002 Version 3.5.5
138 * Fix printing of version number
142 * Updated Win32 compatibility
144 Jun 8, 2002 Version 3.5.4
146 * Print version number in log window with About command
148 * Fix problem with captions not showing on some windows. Reworked
149 creation of new windows.
151 * Disabled status bar on 3d views
153 * Fix bug in configure.ac that prevented using compiler
156 * Updated About splash screen
158 May 29, 2002 Version 3.5.3
159 * Added support for g++ 3.04 compiler
161 May 8, 2002 Version 3.5.2
162 * configure: improved CTN (DICOM) installation search
163 * src/ctsim.cpp: Fixed initial image size with import command
165 May 5, 2002 Version 3.5.1
169 * ctsim: Added tips to be displayed at startup and via the help menu.
170 * ctsim: Added center-detector concept. Allow for detector array
171 to be any arbitrary distance from center of scanner. As a result,
172 projection files are not incompatible with previous version of
174 * ctsim: Added threaded tasks and background manager for
175 background processing as well as taking advantage of multiple-CPU's
176 on SMP systems. (Microsoft Windows only)
177 * ctsim: Added plot t-theta sampling to projection file menu.
178 * ctsim: Added Reconstruction with Rebinning for faster
179 divergent beam reconstructions.
180 * ctsim: Added import and export of DICOM image files.
181 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
182 * ctsim: Added FFT/IFFT of columns of image files.
183 * ctsim: Added clipboard cut/copy/paste for image files.
184 * ctsim: Added region of interest to reconstructions.
185 * ctsim: Added Convert Rectangular Image to Projection files
186 * ctsim: Added "Verbose Logging", "Startup Tips", and
187 "Background processes" options to Preferences dialog.
188 * ctsim: Added plotting of projection file histograms.
189 * plotfile: Added scattergram plot functions
190 * ctsim: Added accelerator key for File-Properties
191 * ctsim: Improved wireframe 3-d display to remove hidden
193 * backprojectors.cpp: Added setting of axis extent and increment
195 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
196 projection data files.
200 * views.cpp: reduced calls to progress bar update, significant speedup
201 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
202 not being displayed on Unix platforms.
203 * views.cpp: Added out-of-memory checks to display for huge
204 image and projection files.
205 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
206 * imagefile.cpp: Fixed scaling factor in fftRows
207 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
209 * sgp.cpp: Fixed bug in drawCircle.
210 * distribution: fixed problem with documentation files not
211 being included with the distribution (Reported by Ian Kay).
212 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
213 * fixed ctsimtext shell when giving no parameters to function-name
214 * phm2if, phm2pj: Updated help messages for renamed phantoms
216 3.0.3 - Released 2/20/01
218 * ctsim: Fixed core dump on Linux with OpenGL
220 * ctsim: Fixed context-sensitive help on Linux
222 * ctsim: Fixed About box on Linux
224 3.0.2 - Released 2/20/01
226 * scanner.cpp: Fixed bug when number of detectors was even.
228 * ctsim: Improved error handling when trying to convert
229 divergent projections into polar form.
231 3.0.1 - Released 2/19/01
233 * ctsim: Fixed dialog box for reconstruction so that
234 rotation angle setting will stay fixed in-between use
237 * syserror: Fixed display bug for trace messages
239 * ctsim: MSVC optimization bug work-around, compiler
242 3.0.0 - Released 2/19/01
244 * ctsim: Massive update/fix to online help and print manual.
246 * ctsim: Added context-sensitive help to dialog boxes
248 * ctsim: Reformated all dialog boxes, much nicer now.
250 * ctsim: Improved accelerator key handling
252 * global: Added Hanning filter.
254 * global: Improved default parameters to that all defaults give
257 3.0.0beta1 - Released 2/11/01
259 * ctsim: Added most-recently-used files to File menu with
260 registry storage between executions.
262 * ctsim: Hides arcane features unless enabled by Preferences dialog
264 * ctsim: Added MDI interface for Windows version and made it default for Windows.
266 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
268 * ctsim: Added graphical About box
270 * ctsim: Escape key now removes cursor lines from image file view
272 * ctsim: Added Revert to ImageFile menu
274 * ctsim: Added accelerator (hotkeys) to frames
276 * ctsim: Online help added!
278 * backprojector: Added cubic interpolation
280 * ctsim: Added icons to Frames on X-Window and MS Windows versions
282 * ctsim: Fixed tick-label placement for plots on projection and
283 reconstruction dialogs.
285 * timer.h: Add use of _ftime when compiling on MSVC
287 * global: Projection files are not compatible with previous version
288 due to new scanner definitions.
290 * global: deleted concept of field-of-view and added
291 view ratio and scan ratio concepts.
293 * ctsim: Fixed crash on shutdown bug
295 * pjinfo: Fixed bug when doing --dump and not specifing --endview
297 * phm2pj: Fixed MPI bug with broadcasting of variables
299 * ctsimtext-lam: Changes for first version to compile under lam
302 3.0.0alpha5 - Released 1/12/00
304 * ctsim: Added EZPlotDialog, used by debugging plots in
307 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
308 bug in parsing command-line parameters.
310 * views.cpp: Fixed bug in copying of labels from images to
313 * syserror.cpp: fixed reporting for fatal errors
315 * projections.cpp: fixed MSVC failure with std:: namespace
317 * procsignal.cpp: fixed bug in equiangular reconstructions
318 for frequency/inverse-fourier filtering
320 3.0.0alpha4 - Released 1/09/01
322 * ctsim: Added reset to full-intensity scale menu item
324 * ctsim: Add conversion of projections to polar plot [Thanks to
325 Ian Kay for reference and math hints in polar bilinear scaling]
327 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
330 * ctsim: imagefile labels are now copied to plotfiles
332 * ctsim: Added more analyze menuitems
334 * ctsimtext: First version. All command-line tools are now accessed
335 through this master shell. Has both command-line and interactive
338 * ctsim: Fixed initialization of min/max bug for PlotFiles
340 * ezplot: Cleaned up y-tick label placement
342 * sgp: Added better support for projection/reconstruction animation
344 3.0.0alpha3 - Released 1/02/01
346 * ctsim: Added plotting of histograms
348 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
350 * ezplot.cpp: adjusted xtick label displays for better placement
352 3.0alpha2 - Released 1/02/01
354 * ctsim: All functions of command-line tools are now in graphical ctsim
356 * ctsim: added generation of filter images
358 * ctsim: Added 2-image math functions (mul, add, div, sub)
360 * ctsim: Added export of imagefiles to graphic file formats
362 * ctsim: Added support for scaling imagefiles in new sizes
364 * ctsim: Added ability to save standard phantom definitions as
365 text files suitable for reading.
367 * ctsim: Add labels for image transformations and display of labels
368 when performing properties of images.
370 * processsignal.cpp: Fixed "off by one" bug in
371 shuffleNaturalToFourierOrder when n is even. Moved functions to
374 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
375 image math functions to complex-valued math.
377 * phantom.cpp: Added ability to save phantom files as ASCII text.
379 3.0alpha1 - Released 12/29/00
381 * Added PlotFile class to system, used by if2 and ctsim for row
382 and column plots and comparison plots
384 * ctsim: Added image comparison statistics and image subtraction
386 * ctsim: Added plotting of rows & columns with y-axis scaling
388 * ctsim: Added row and column plot comparisons between two image
391 * ctsim: Added "Process" menu to image file display with math
392 functions. Added 2-dimensional inverse Fourier to math
393 functions. Added support for complex (real/imaginary) images.
395 * mathfuncs.cpp: Reworked statistics algorithm to share between
396 imagefile and plotfile classes.
398 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
399 nsamples > 2. Added generic mage math functions, moved from
400 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
403 * array2dfile.cpp: Added code to support complex (real/imaginary)
406 * if1: Updated to handle error conditions, such as sqrt of a
407 negative number. Converted to use new ImageFile math functions.
409 * if2: Updated to output plot files and use new ImageFile class
412 * if1: Updated to use new ImageFile class math functions
414 * ezplot: Reworked to better store colors/linestyles/symbols with
415 individual curves. Improved display of labels and ticks. Updated
416 to use POL class member variable. Updated to more C++ conventions.
418 * pol: converted to C++ class. Extracted HashTable to separate
421 * sgp: Added linestyle settings
424 First Microsoft Windows GUI version
425 Modifications for Microsoft Visual C++ compilation.
426 Improved pjinfo to output binary headers and view data, useful
427 when manually compiling phantoms that vary during projection
428 process. Thanks to Ian Kay for idea and code submission.
429 Improved sorting to find median in ImageFile::statistics
430 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
431 Changed reconstruction dialog to fix onto smaller screens
432 Fixed display of plotting in Projection views
433 Improved animation displays for Projections and Reconstructions
434 Changed code to explicitly use std:: namespace rather than
435 "namespace using std" statements
436 Fixed reconstruction scaling bug introduced in 2.0.6
437 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
440 Fixed minor compilation problem with procsignal.h
442 Fixed bug when simulating projections and Trace == CONSOLE
443 Fixed scaling bug when performing redundant rotations around object
446 Improved compilation on RedHat 7
447 Changed some of ANSI C header files to C++ header files
448 Removed README.RedHat7
451 Added documentation for --geometry setting
452 Added README.RedHat7 document
455 Fixed bug in generation of binary PGM files
456 Fixed MPI compilation bug in phm2pj.cpp
457 Inverted y-axis output for pj2if (bug alert from Ian Kay)
460 Additions to man pages (Ian Kay)
461 Fix problem with reading of ASCII phantom files (Ian Kay)
464 Fixed syntax error in fftw configuration
465 Slight modifications to support gcc v2.9.6
468 Version 2.0.0 released!
469 ctsim: Added Window menu to Main frame
470 ctsim: Disabled not support reconstruction method
471 Fixed obscure bug in sys_error
472 Fixed compilation in mingw environment not present
473 Fixed compilation in non-graphical environments
476 ctsim: Added animation of reconstruction
477 ctsim: Added saving of dialog parameters for Projection & Reconstruction
478 ctsim: Added progress dialog for rasterization of phantom
479 ctsim: used setpriority to set lower priority
480 ctsim: fixed pReconstruct not being deleted causing scaling problem
481 ctsim: fixed projection animation dialog buttons
484 ctsim: Added projection graph to animation of projection collection
485 ctsim: Added single stepping to projection collection animation
486 ctsim: improved File/Properties display for projection files
487 ctsim: Added progress dialog for reconstructions
488 ctsim: Added file labels for projection and reconstruction images
489 ctsim: Made File/Properties bring up modal dialogs
490 Added reconstruction for Equilinear and Equiangular geometries
491 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
492 Separated reconstruction into Reconstructor class
493 Fixed center of detector adjustment for even number of detectors
494 Added --enable-static to generate statically linked programs
497 ctsim: Added animation of projection collection processs
498 ctsim: Added Auto Scaling for image windows
499 ctsim: Change menus from "windowing" to "display scaling"
500 Added FieldOfView and FocalLength ratio parameters to projection collection
501 Added FocalLength & FieldOfView fields to projection data files
502 Added Projection collection for Equilinear and Equiangular geometries
503 Changed name of Rowland Phantom to correct name of Shepp-Logan
504 Fixed bug in backprojection selection
507 Added RCS Id strings to executable files
508 Added RPM Spec file for RPM package creation
509 Added loading of ASCII phanthom definitions from files
510 Fixed compilation for non-SGP architectures
511 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
512 Added Filter-Generation option to reconstruction to allow direct or
513 inverse_fourier construction of filters
514 Added median to statistics and to auto-windowing
517 Added line color support to SGP
521 Finished support for dmallocxx library
522 Fixed bug in SignalFilter::convertFilterMethodNameToID()
523 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
524 G2 windows and well as WXWindows.
525 ctsim program: "Create Phantom" now shows phantom object
526 Fixed row-plot bug in if-2
527 Reworked EZPlot's multiple plot operation
530 ctsim program: improved initial size and scroll area for image
532 ctsim program: added rasterization parameters, projections parameters,
533 and reconstruction parameters dialogs
534 Moved char[] static definition from header files to c++ files
535 Completely reorganized option processing in classes to improve
536 expandability and to assist ctsim graphical user interface.
539 ctsim program: Added dialog to set minimum/maximum display levels
540 Started ctsim.tex document file
543 Fixed compiler warnings at -Wall level
544 Began work on CTSim program to be graphical front-end of all functions
545 Moved current src/*.cpp to tools/*.cpp
546 Made CTSim graphical front-end's home to be src/
549 Added highly optimized backprojection method idiff3
550 Moved comparative stats to if-2 program from ifinfo
551 Fixed image display in if2img using G2 library
552 Added column-plot and row-plot options to if-2
553 Added autoselection of analytic/calculated spatial responses to SignalFilter
554 Added frequency-based preinterpolation to SignalFilter and idiff3
555 backprojection method. Currently, this technique is still under
556 development and debugging
557 Moved graphic file writing to ImageFile class from if2img program
560 Cleaned up SignalFilter class
561 Added zeropad option to pjrec
562 Added zeropad options to html and cgi files
563 Added fourier_table and rfttw filter methods
564 Added FFTW routines to use real/half-complex transformations
567 Updated trace level processing
568 Added trace level to SignalFilter
569 Fixed magnitude vs. real output bug in FFT/Fourier filter
572 Fixed const issue with ImageFileArray
573 Fixed Array2dFile::labelsCopy()
574 Added copy constructor and assignment for Array2dFileLabel class
575 Added Timer to if-2.cpp and ifinfo.cpp
576 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
577 Added option processing for filter-method for pjrec to choose
578 between convolution, dft, & fft filtering
579 Fixed format string for EZPlot so axis labels now print
580 Added support for FFTW library
583 Rewrote Array2dFile class to be non-templated
584 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
585 Rewrote Array2dFileLabel class to make members private, added access routines
586 Removed timedate.cpp in favor of standard C library time/date functions
587 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
588 Added signature tag and creation date/time to projection files
591 Standardized string option processing by classes. All classes use character strings
592 to select options rather than numeric constants. Added fail() and failMessage()
593 methods to verify that objects are created correctly by character strings.
594 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
595 Rewrote ImageFile class
596 Started support for dmallocxx library, not finished
597 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
598 Updated ifinfo to show comparative statistics
599 Added printLabels() to Array2dFile class
600 Added printStatistics() to ImageFile class
603 Moved conversion filter name/id to Filter class
604 Moved conversion backprojection name/id to Backproj class
605 Added MPI broadcasting of strings
608 Merged proj_reconstr into class Projections
609 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
610 Code cleanup in projections.cpp
611 Moved conversion of phantom names/id to Phantom class
614 Converted projection files to C++ library with frnetorderstream
615 Converted image files to C++ library with frnetorderstream
616 Converted filter and convolution to object-oriented code
617 Changed default image file to float from double -- Changable in imagefile.h
618 Optimized image file writing on little-endian architectures
619 Updated README and INSTALL
622 Reorganized source files
623 MPI bug fixed to phm2pj.cpp
626 Reorganized include files
627 Fixed const pointers in strfuncs
630 Renamed directories, moved source files, combined source files
631 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
635 Skip versions to make version 2.0 the first fully C++ version
636 Renamed Raysums to Projections throughout files
637 Renamed Detector to Scanner
638 Converted Scanner and Projecions to full object-oriented
641 Converted Phantom and PhantomElements to Object-Oriented
642 Converted Detector to Object-Oriented
645 Improved Integer backprojection method
646 Fixed nearest neighbor to be truly nearest neighbor
647 Made linear interpolation more integer arithmetic -> speed improvement
648 Finished converting all C files to C++
649 Converted all use of malloc/free to C++ new/delete
650 Began object-oriented conversion of Phantom and Projection structures
653 Converted MPI data structures to C++ object
654 Made ImageFile directly inherit from Array2dFile
657 First C++ conversions
658 Portable IF (image file) format implemented with objects (SDF removed)
659 - Now all data files are cross-platform compatible
660 Converted from MPI to MPI++
661 Converted backprojection to object-oriented
662 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
665 Simpilifed endian handling
668 Added support for 64-bit (IA64) CPU
669 Removed broken B-spline interpolation
670 Added support for cygwin platform under Windows 2000
671 Added support for 16-bit PNG graphics
674 Added compile-time configuration of endian order
677 Modified the raysum file format to be platform independent
680 Added Microsoft VC compatibility
681 Cleaned up compilation warnings in libgraph
684 Continued conversion to ANSI C
685 Removed old CRT routines
688 Renamed pictures to phantoms, objects to phantom elements
689 Continued code cleanup
692 More code cleanup with reorganizing libraries
693 Added --log and --exp to sdf-1
694 Allowed negative numbers for window levels in CGI interface
697 Continued code cleanup
701 Better documented, coded raysum in-memory on on-disk options
704 Cleaned out library that wasn't being used by CTSim
705 Modified ctsim.cgi to read in configuration file ctsim.conf
708 First open source distribution for GNU/Linux
711 Converted to GNU/Linux
712 added MPI support via LAM library
715 Developed under MS-DOS and IBM EGA graphics