1 Nov 7, 2010 Version 5.2.0
2 * tools/ifexport.cpp: Add Text output option (thanks to
5 Aug 22, 2009 Version 5.1.3
7 - Improve numbering of unnamed documents. Reduce cut-and-paste code.
9 - Use new AC_INIT form to include package information, email, url
11 Aug 21, 2009 Version 5.1.2
12 * Conditionalize debugging output
14 Aug 20, 2009 Version 5.1.1
15 * Use new wxFont constructor. Adjust font sizes.
17 Aug 12, 2009 Version 5.1.0
18 * All known wxwidgets 2.8 compatibility issues have been fixed
20 Aug 6, 2009 Version 5.0.6
21 * Use wxWidgets command-line processing rather than existing
23 * ezset.cpp: Initialize scale settings in constructor
24 * Improve titles of frames
25 * configure.ac: Use wx-config to determine name of wxGL library
26 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
27 segv crash when creating 3D objects
29 Aug 3, 2009 Version 5.0.5
30 * Fix plots when maximum plot value is the same as minimum
32 Aug 3, 2009 Version 5.0.5
33 * More wx2.8 compatibility fixes.
34 * Fix initial size of Log TextCtrl at start-up.
35 * Fix display of values in Log window by cleaning up string
38 Aug 2, 2009 Version 5.0.4
39 * More wx2.8 compatibility fixes. Ensure that a resize of a window
40 causes a full repaint for phantom, plot, and graph3d canvases.
42 Aug 1, 2009 Version 5.0.1
43 * missing: Update to latest automake version
44 * configure: make compatible with wxMac
45 * update few source files for non-unicode wxWidgets 2.8 compatibility
47 Aug 1, 2009 Version 5.0.0
48 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
49 Currently, code compiles without warnings, but there are
50 GUI visual problems at the momemt running with wx2.8
52 Sep 17, 2007 Version 4.5.5
53 * better cleaning in makefiles
54 * use "const char" variables for string literals
56 Sep 10, 2007 Version 4.5.4
57 * configure.ac: Fix builds with multiple versions of wx-config
58 -- thanks to Steve White
60 Apr 1, 2007 Version 4.5.3
61 * include/timer.h: Fix building on GCC 4.3
62 -- thanks to Martin Michlmayr
64 Oct 19, 2006 Version 4.5.2
65 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
66 -- thanks to Sven Huth
68 Oct 18, 2006 Version 4.5.1
69 * configure: rebuild from configure.ac
71 Oct 15, 2006 Version 4.5.0
72 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
73 and simply computing rotScale -- thanks to Dan Martin.
75 Mar 16, 2006 Version 4.4.4
76 * Changes for g++ 4.1 support
78 Aug 22, 2005 Version 4.4.2
79 * New URL for downloading CTSim
81 Aug 22, 2005 Version 4.4.1
82 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
84 Aug 22, 2005 Version 4.4.0
85 * Changes in configure.ac for X.org compatibility with Debian Etch
86 and FC4. May not be backward compatibility with XFree86.
88 Aug 10, 2004 Version 4.3.2, Version 4.3.3
89 * Minor changes in man pages to fix groff warnings
91 Nov 1, 2003 Version 4.3.1
92 * Add support for SuSE AMD64
94 Oct 5, 2003 Version 4.3.0
95 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
97 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
100 Oct 3, 2003 Version 4.2.7
101 * Add support for building on RedHat AMD64
103 Sep 30, 2003 Version 4.2.7
104 * Fix minor issue with floating point difference backprojection, add
107 * Fix building with newest versions of automake 1.7
109 * Add support for 8-byte longs [for example, Athlon64] in
110 integer difference backprojection allowing for 64-bit integer
113 Mar 22, 2003 Version 4.2.3
115 * Added Fourier reconstruction method
117 * Support gcc 3.2, wxWindows 2.4, and MacOS X
119 * Fix polar interpolation
121 Jun 26, 2002 Version 3.5.6
123 * Fix minor color PNG image importing bug
125 * Bug fix for building on Debian alpha platform
127 * Fix g++ compilation warnings
129 Jun 13, 2002 Version 3.5.5
131 * Fix printing of version number
135 * Updated Win32 compatibility
137 Jun 8, 2002 Version 3.5.4
139 * Print version number in log window with About command
141 * Fix problem with captions not showing on some windows. Reworked
142 creation of new windows.
144 * Disabled status bar on 3d views
146 * Fix bug in configure.ac that prevented using compiler
149 * Updated About splash screen
151 May 29, 2002 Version 3.5.3
152 * Added support for g++ 3.04 compiler
154 May 8, 2002 Version 3.5.2
155 * configure: improved CTN (DICOM) installation search
156 * src/ctsim.cpp: Fixed initial image size with import command
158 May 5, 2002 Version 3.5.1
162 * ctsim: Added tips to be displayed at startup and via the help menu.
163 * ctsim: Added center-detector concept. Allow for detector array
164 to be any arbitrary distance from center of scanner. As a result,
165 projection files are not incompatible with previous version of
167 * ctsim: Added threaded tasks and background manager for
168 background processing as well as taking advantage of multiple-CPU's
169 on SMP systems. (Microsoft Windows only)
170 * ctsim: Added plot t-theta sampling to projection file menu.
171 * ctsim: Added Reconstruction with Rebinning for faster
172 divergent beam reconstructions.
173 * ctsim: Added import and export of DICOM image files.
174 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
175 * ctsim: Added FFT/IFFT of columns of image files.
176 * ctsim: Added clipboard cut/copy/paste for image files.
177 * ctsim: Added region of interest to reconstructions.
178 * ctsim: Added Convert Rectangular Image to Projection files
179 * ctsim: Added "Verbose Logging", "Startup Tips", and
180 "Background processes" options to Preferences dialog.
181 * ctsim: Added plotting of projection file histograms.
182 * plotfile: Added scattergram plot functions
183 * ctsim: Added accelerator key for File-Properties
184 * ctsim: Improved wireframe 3-d display to remove hidden
186 * backprojectors.cpp: Added setting of axis extent and increment
188 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
189 projection data files.
193 * views.cpp: reduced calls to progress bar update, significant speedup
194 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
195 not being displayed on Unix platforms.
196 * views.cpp: Added out-of-memory checks to display for huge
197 image and projection files.
198 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
199 * imagefile.cpp: Fixed scaling factor in fftRows
200 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
202 * sgp.cpp: Fixed bug in drawCircle.
203 * distribution: fixed problem with documentation files not
204 being included with the distribution (Reported by Ian Kay).
205 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
206 * fixed ctsimtext shell when giving no parameters to function-name
207 * phm2if, phm2pj: Updated help messages for renamed phantoms
209 3.0.3 - Released 2/20/01
211 * ctsim: Fixed core dump on Linux with OpenGL
213 * ctsim: Fixed context-sensitive help on Linux
215 * ctsim: Fixed About box on Linux
217 3.0.2 - Released 2/20/01
219 * scanner.cpp: Fixed bug when number of detectors was even.
221 * ctsim: Improved error handling when trying to convert
222 divergent projections into polar form.
224 3.0.1 - Released 2/19/01
226 * ctsim: Fixed dialog box for reconstruction so that
227 rotation angle setting will stay fixed in-between use
230 * syserror: Fixed display bug for trace messages
232 * ctsim: MSVC optimization bug work-around, compiler
235 3.0.0 - Released 2/19/01
237 * ctsim: Massive update/fix to online help and print manual.
239 * ctsim: Added context-sensitive help to dialog boxes
241 * ctsim: Reformated all dialog boxes, much nicer now.
243 * ctsim: Improved accelerator key handling
245 * global: Added Hanning filter.
247 * global: Improved default parameters to that all defaults give
250 3.0.0beta1 - Released 2/11/01
252 * ctsim: Added most-recently-used files to File menu with
253 registry storage between executions.
255 * ctsim: Hides arcane features unless enabled by Preferences dialog
257 * ctsim: Added MDI interface for Windows version and made it default for Windows.
259 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
261 * ctsim: Added graphical About box
263 * ctsim: Escape key now removes cursor lines from image file view
265 * ctsim: Added Revert to ImageFile menu
267 * ctsim: Added accelerator (hotkeys) to frames
269 * ctsim: Online help added!
271 * backprojector: Added cubic interpolation
273 * ctsim: Added icons to Frames on X-Window and MS Windows versions
275 * ctsim: Fixed tick-label placement for plots on projection and
276 reconstruction dialogs.
278 * timer.h: Add use of _ftime when compiling on MSVC
280 * global: Projection files are not compatible with previous version
281 due to new scanner definitions.
283 * global: deleted concept of field-of-view and added
284 view ratio and scan ratio concepts.
286 * ctsim: Fixed crash on shutdown bug
288 * pjinfo: Fixed bug when doing --dump and not specifing --endview
290 * phm2pj: Fixed MPI bug with broadcasting of variables
292 * ctsimtext-lam: Changes for first version to compile under lam
295 3.0.0alpha5 - Released 1/12/00
297 * ctsim: Added EZPlotDialog, used by debugging plots in
300 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
301 bug in parsing command-line parameters.
303 * views.cpp: Fixed bug in copying of labels from images to
306 * syserror.cpp: fixed reporting for fatal errors
308 * projections.cpp: fixed MSVC failure with std:: namespace
310 * procsignal.cpp: fixed bug in equiangular reconstructions
311 for frequency/inverse-fourier filtering
313 3.0.0alpha4 - Released 1/09/01
315 * ctsim: Added reset to full-intensity scale menu item
317 * ctsim: Add conversion of projections to polar plot [Thanks to
318 Ian Kay for reference and math hints in polar bilinear scaling]
320 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
323 * ctsim: imagefile labels are now copied to plotfiles
325 * ctsim: Added more analyze menuitems
327 * ctsimtext: First version. All command-line tools are now accessed
328 through this master shell. Has both command-line and interactive
331 * ctsim: Fixed initialization of min/max bug for PlotFiles
333 * ezplot: Cleaned up y-tick label placement
335 * sgp: Added better support for projection/reconstruction animation
337 3.0.0alpha3 - Released 1/02/01
339 * ctsim: Added plotting of histograms
341 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
343 * ezplot.cpp: adjusted xtick label displays for better placement
345 3.0alpha2 - Released 1/02/01
347 * ctsim: All functions of command-line tools are now in graphical ctsim
349 * ctsim: added generation of filter images
351 * ctsim: Added 2-image math functions (mul, add, div, sub)
353 * ctsim: Added export of imagefiles to graphic file formats
355 * ctsim: Added support for scaling imagefiles in new sizes
357 * ctsim: Added ability to save standard phantom definitions as
358 text files suitable for reading.
360 * ctsim: Add labels for image transformations and display of labels
361 when performing properties of images.
363 * processsignal.cpp: Fixed "off by one" bug in
364 shuffleNaturalToFourierOrder when n is even. Moved functions to
367 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
368 image math functions to complex-valued math.
370 * phantom.cpp: Added ability to save phantom files as ASCII text.
372 3.0alpha1 - Released 12/29/00
374 * Added PlotFile class to system, used by if2 and ctsim for row
375 and column plots and comparison plots
377 * ctsim: Added image comparison statistics and image subtraction
379 * ctsim: Added plotting of rows & columns with y-axis scaling
381 * ctsim: Added row and column plot comparisons between two image
384 * ctsim: Added "Process" menu to image file display with math
385 functions. Added 2-dimensional inverse Fourier to math
386 functions. Added support for complex (real/imaginary) images.
388 * mathfuncs.cpp: Reworked statistics algorithm to share between
389 imagefile and plotfile classes.
391 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
392 nsamples > 2. Added generic mage math functions, moved from
393 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
396 * array2dfile.cpp: Added code to support complex (real/imaginary)
399 * if1: Updated to handle error conditions, such as sqrt of a
400 negative number. Converted to use new ImageFile math functions.
402 * if2: Updated to output plot files and use new ImageFile class
405 * if1: Updated to use new ImageFile class math functions
407 * ezplot: Reworked to better store colors/linestyles/symbols with
408 individual curves. Improved display of labels and ticks. Updated
409 to use POL class member variable. Updated to more C++ conventions.
411 * pol: converted to C++ class. Extracted HashTable to separate
414 * sgp: Added linestyle settings
417 First Microsoft Windows GUI version
418 Modifications for Microsoft Visual C++ compilation.
419 Improved pjinfo to output binary headers and view data, useful
420 when manually compiling phantoms that vary during projection
421 process. Thanks to Ian Kay for idea and code submission.
422 Improved sorting to find median in ImageFile::statistics
423 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
424 Changed reconstruction dialog to fix onto smaller screens
425 Fixed display of plotting in Projection views
426 Improved animation displays for Projections and Reconstructions
427 Changed code to explicitly use std:: namespace rather than
428 "namespace using std" statements
429 Fixed reconstruction scaling bug introduced in 2.0.6
430 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
433 Fixed minor compilation problem with procsignal.h
435 Fixed bug when simulating projections and Trace == CONSOLE
436 Fixed scaling bug when performing redundant rotations around object
439 Improved compilation on RedHat 7
440 Changed some of ANSI C header files to C++ header files
441 Removed README.RedHat7
444 Added documentation for --geometry setting
445 Added README.RedHat7 document
448 Fixed bug in generation of binary PGM files
449 Fixed MPI compilation bug in phm2pj.cpp
450 Inverted y-axis output for pj2if (bug alert from Ian Kay)
453 Additions to man pages (Ian Kay)
454 Fix problem with reading of ASCII phantom files (Ian Kay)
457 Fixed syntax error in fftw configuration
458 Slight modifications to support gcc v2.9.6
461 Version 2.0.0 released!
462 ctsim: Added Window menu to Main frame
463 ctsim: Disabled not support reconstruction method
464 Fixed obscure bug in sys_error
465 Fixed compilation in mingw environment not present
466 Fixed compilation in non-graphical environments
469 ctsim: Added animation of reconstruction
470 ctsim: Added saving of dialog parameters for Projection & Reconstruction
471 ctsim: Added progress dialog for rasterization of phantom
472 ctsim: used setpriority to set lower priority
473 ctsim: fixed pReconstruct not being deleted causing scaling problem
474 ctsim: fixed projection animation dialog buttons
477 ctsim: Added projection graph to animation of projection collection
478 ctsim: Added single stepping to projection collection animation
479 ctsim: improved File/Properties display for projection files
480 ctsim: Added progress dialog for reconstructions
481 ctsim: Added file labels for projection and reconstruction images
482 ctsim: Made File/Properties bring up modal dialogs
483 Added reconstruction for Equilinear and Equiangular geometries
484 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
485 Separated reconstruction into Reconstructor class
486 Fixed center of detector adjustment for even number of detectors
487 Added --enable-static to generate statically linked programs
490 ctsim: Added animation of projection collection processs
491 ctsim: Added Auto Scaling for image windows
492 ctsim: Change menus from "windowing" to "display scaling"
493 Added FieldOfView and FocalLength ratio parameters to projection collection
494 Added FocalLength & FieldOfView fields to projection data files
495 Added Projection collection for Equilinear and Equiangular geometries
496 Changed name of Rowland Phantom to correct name of Shepp-Logan
497 Fixed bug in backprojection selection
500 Added RCS Id strings to executable files
501 Added RPM Spec file for RPM package creation
502 Added loading of ASCII phanthom definitions from files
503 Fixed compilation for non-SGP architectures
504 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
505 Added Filter-Generation option to reconstruction to allow direct or
506 inverse_fourier construction of filters
507 Added median to statistics and to auto-windowing
510 Added line color support to SGP
514 Finished support for dmallocxx library
515 Fixed bug in SignalFilter::convertFilterMethodNameToID()
516 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
517 G2 windows and well as WXWindows.
518 ctsim program: "Create Phantom" now shows phantom object
519 Fixed row-plot bug in if-2
520 Reworked EZPlot's multiple plot operation
523 ctsim program: improved initial size and scroll area for image
525 ctsim program: added rasterization parameters, projections parameters,
526 and reconstruction parameters dialogs
527 Moved char[] static definition from header files to c++ files
528 Completely reorganized option processing in classes to improve
529 expandability and to assist ctsim graphical user interface.
532 ctsim program: Added dialog to set minimum/maximum display levels
533 Started ctsim.tex document file
536 Fixed compiler warnings at -Wall level
537 Began work on CTSim program to be graphical front-end of all functions
538 Moved current src/*.cpp to tools/*.cpp
539 Made CTSim graphical front-end's home to be src/
542 Added highly optimized backprojection method idiff3
543 Moved comparative stats to if-2 program from ifinfo
544 Fixed image display in if2img using G2 library
545 Added column-plot and row-plot options to if-2
546 Added autoselection of analytic/calculated spatial responses to SignalFilter
547 Added frequency-based preinterpolation to SignalFilter and idiff3
548 backprojection method. Currently, this technique is still under
549 development and debugging
550 Moved graphic file writing to ImageFile class from if2img program
553 Cleaned up SignalFilter class
554 Added zeropad option to pjrec
555 Added zeropad options to html and cgi files
556 Added fourier_table and rfttw filter methods
557 Added FFTW routines to use real/half-complex transformations
560 Updated trace level processing
561 Added trace level to SignalFilter
562 Fixed magnitude vs. real output bug in FFT/Fourier filter
565 Fixed const issue with ImageFileArray
566 Fixed Array2dFile::labelsCopy()
567 Added copy constructor and assignment for Array2dFileLabel class
568 Added Timer to if-2.cpp and ifinfo.cpp
569 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
570 Added option processing for filter-method for pjrec to choose
571 between convolution, dft, & fft filtering
572 Fixed format string for EZPlot so axis labels now print
573 Added support for FFTW library
576 Rewrote Array2dFile class to be non-templated
577 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
578 Rewrote Array2dFileLabel class to make members private, added access routines
579 Removed timedate.cpp in favor of standard C library time/date functions
580 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
581 Added signature tag and creation date/time to projection files
584 Standardized string option processing by classes. All classes use character strings
585 to select options rather than numeric constants. Added fail() and failMessage()
586 methods to verify that objects are created correctly by character strings.
587 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
588 Rewrote ImageFile class
589 Started support for dmallocxx library, not finished
590 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
591 Updated ifinfo to show comparative statistics
592 Added printLabels() to Array2dFile class
593 Added printStatistics() to ImageFile class
596 Moved conversion filter name/id to Filter class
597 Moved conversion backprojection name/id to Backproj class
598 Added MPI broadcasting of strings
601 Merged proj_reconstr into class Projections
602 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
603 Code cleanup in projections.cpp
604 Moved conversion of phantom names/id to Phantom class
607 Converted projection files to C++ library with frnetorderstream
608 Converted image files to C++ library with frnetorderstream
609 Converted filter and convolution to object-oriented code
610 Changed default image file to float from double -- Changable in imagefile.h
611 Optimized image file writing on little-endian architectures
612 Updated README and INSTALL
615 Reorganized source files
616 MPI bug fixed to phm2pj.cpp
619 Reorganized include files
620 Fixed const pointers in strfuncs
623 Renamed directories, moved source files, combined source files
624 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
628 Skip versions to make version 2.0 the first fully C++ version
629 Renamed Raysums to Projections throughout files
630 Renamed Detector to Scanner
631 Converted Scanner and Projecions to full object-oriented
634 Converted Phantom and PhantomElements to Object-Oriented
635 Converted Detector to Object-Oriented
638 Improved Integer backprojection method
639 Fixed nearest neighbor to be truly nearest neighbor
640 Made linear interpolation more integer arithmetic -> speed improvement
641 Finished converting all C files to C++
642 Converted all use of malloc/free to C++ new/delete
643 Began object-oriented conversion of Phantom and Projection structures
646 Converted MPI data structures to C++ object
647 Made ImageFile directly inherit from Array2dFile
650 First C++ conversions
651 Portable IF (image file) format implemented with objects (SDF removed)
652 - Now all data files are cross-platform compatible
653 Converted from MPI to MPI++
654 Converted backprojection to object-oriented
655 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
658 Simpilifed endian handling
661 Added support for 64-bit (IA64) CPU
662 Removed broken B-spline interpolation
663 Added support for cygwin platform under Windows 2000
664 Added support for 16-bit PNG graphics
667 Added compile-time configuration of endian order
670 Modified the raysum file format to be platform independent
673 Added Microsoft VC compatibility
674 Cleaned up compilation warnings in libgraph
677 Continued conversion to ANSI C
678 Removed old CRT routines
681 Renamed pictures to phantoms, objects to phantom elements
682 Continued code cleanup
685 More code cleanup with reorganizing libraries
686 Added --log and --exp to sdf-1
687 Allowed negative numbers for window levels in CGI interface
690 Continued code cleanup
694 Better documented, coded raysum in-memory on on-disk options
697 Cleaned out library that wasn't being used by CTSim
698 Modified ctsim.cgi to read in configuration file ctsim.conf
701 First open source distribution for GNU/Linux
704 Converted to GNU/Linux
705 added MPI support via LAM library
708 Developed under MS-DOS and IBM EGA graphics