1 Aug 21, 2009 Version 5.1.2
2 * Conditionalize debugging output
4 Aug 20, 2009 Version 5.1.1
5 * Use new wxFont constructor. Adjust font sizes.
7 Aug 12, 2009 Version 5.1.0
8 * All known wxwidgets 2.8 compatibility issues have been fixed
10 Aug 6, 2009 Version 5.0.6
11 * Use wxWidgets command-line processing rather than existing
13 * ezset.cpp: Initialize scale settings in constructor
14 * Improve titles of frames
15 * configure.ac: Use wx-config to determine name of wxGL library
16 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
17 segv crash when creating 3D objects
19 Aug 3, 2009 Version 5.0.5
20 * Fix plots when maximum plot value is the same as minimum
22 Aug 3, 2009 Version 5.0.5
23 * More wx2.8 compatibility fixes.
24 * Fix initial size of Log TextCtrl at start-up.
25 * Fix display of values in Log window by cleaning up string
28 Aug 2, 2009 Version 5.0.4
29 * More wx2.8 compatibility fixes. Ensure that a resize of a window
30 causes a full repaint for phantom, plot, and graph3d canvases.
32 Aug 1, 2009 Version 5.0.1
33 * missing: Update to latest automake version
34 * configure: make compatible with wxMac
35 * update few source files for non-unicode wxWidgets 2.8 compatibility
37 Aug 1, 2009 Version 5.0.0
38 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
39 Currently, code compiles without warnings, but there are
40 GUI visual problems at the momemt running with wx2.8
42 Sep 17, 2007 Version 4.5.5
43 * better cleaning in makefiles
44 * use "const char" variables for string literals
46 Sep 10, 2007 Version 4.5.4
47 * configure.ac: Fix builds with multiple versions of wx-config
48 -- thanks to Steve White
50 Apr 1, 2007 Version 4.5.3
51 * include/timer.h: Fix building on GCC 4.3
52 -- thanks to Martin Michlmayr
54 Oct 19, 2006 Version 4.5.2
55 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
56 -- thanks to Sven Huth
58 Oct 18, 2006 Version 4.5.1
59 * configure: rebuild from configure.ac
61 Oct 15, 2006 Version 4.5.0
62 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
63 and simply computing rotScale -- thanks to Dan Martin.
65 Mar 16, 2006 Version 4.4.4
66 * Changes for g++ 4.1 support
68 Aug 22, 2005 Version 4.4.2
69 * New URL for downloading CTSim
71 Aug 22, 2005 Version 4.4.1
72 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
74 Aug 22, 2005 Version 4.4.0
75 * Changes in configure.ac for X.org compatibility with Debian Etch
76 and FC4. May not be backward compatibility with XFree86.
78 Aug 10, 2004 Version 4.3.2, Version 4.3.3
79 * Minor changes in man pages to fix groff warnings
81 Nov 1, 2003 Version 4.3.1
82 * Add support for SuSE AMD64
84 Oct 5, 2003 Version 4.3.0
85 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
87 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
90 Oct 3, 2003 Version 4.2.7
91 * Add support for building on RedHat AMD64
93 Sep 30, 2003 Version 4.2.7
94 * Fix minor issue with floating point difference backprojection, add
97 * Fix building with newest versions of automake 1.7
99 * Add support for 8-byte longs [for example, Athlon64] in
100 integer difference backprojection allowing for 64-bit integer
103 Mar 22, 2003 Version 4.2.3
105 * Added Fourier reconstruction method
107 * Support gcc 3.2, wxWindows 2.4, and MacOS X
109 * Fix polar interpolation
111 Jun 26, 2002 Version 3.5.6
113 * Fix minor color PNG image importing bug
115 * Bug fix for building on Debian alpha platform
117 * Fix g++ compilation warnings
119 Jun 13, 2002 Version 3.5.5
121 * Fix printing of version number
125 * Updated Win32 compatibility
127 Jun 8, 2002 Version 3.5.4
129 * Print version number in log window with About command
131 * Fix problem with captions not showing on some windows. Reworked
132 creation of new windows.
134 * Disabled status bar on 3d views
136 * Fix bug in configure.ac that prevented using compiler
139 * Updated About splash screen
141 May 29, 2002 Version 3.5.3
142 * Added support for g++ 3.04 compiler
144 May 8, 2002 Version 3.5.2
145 * configure: improved CTN (DICOM) installation search
146 * src/ctsim.cpp: Fixed initial image size with import command
148 May 5, 2002 Version 3.5.1
152 * ctsim: Added tips to be displayed at startup and via the help menu.
153 * ctsim: Added center-detector concept. Allow for detector array
154 to be any arbitrary distance from center of scanner. As a result,
155 projection files are not incompatible with previous version of
157 * ctsim: Added threaded tasks and background manager for
158 background processing as well as taking advantage of multiple-CPU's
159 on SMP systems. (Microsoft Windows only)
160 * ctsim: Added plot t-theta sampling to projection file menu.
161 * ctsim: Added Reconstruction with Rebinning for faster
162 divergent beam reconstructions.
163 * ctsim: Added import and export of DICOM image files.
164 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
165 * ctsim: Added FFT/IFFT of columns of image files.
166 * ctsim: Added clipboard cut/copy/paste for image files.
167 * ctsim: Added region of interest to reconstructions.
168 * ctsim: Added Convert Rectangular Image to Projection files
169 * ctsim: Added "Verbose Logging", "Startup Tips", and
170 "Background processes" options to Preferences dialog.
171 * ctsim: Added plotting of projection file histograms.
172 * plotfile: Added scattergram plot functions
173 * ctsim: Added accelerator key for File-Properties
174 * ctsim: Improved wireframe 3-d display to remove hidden
176 * backprojectors.cpp: Added setting of axis extent and increment
178 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
179 projection data files.
183 * views.cpp: reduced calls to progress bar update, significant speedup
184 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
185 not being displayed on Unix platforms.
186 * views.cpp: Added out-of-memory checks to display for huge
187 image and projection files.
188 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
189 * imagefile.cpp: Fixed scaling factor in fftRows
190 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
192 * sgp.cpp: Fixed bug in drawCircle.
193 * distribution: fixed problem with documentation files not
194 being included with the distribution (Reported by Ian Kay).
195 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
196 * fixed ctsimtext shell when giving no parameters to function-name
197 * phm2if, phm2pj: Updated help messages for renamed phantoms
199 3.0.3 - Released 2/20/01
201 * ctsim: Fixed core dump on Linux with OpenGL
203 * ctsim: Fixed context-sensitive help on Linux
205 * ctsim: Fixed About box on Linux
207 3.0.2 - Released 2/20/01
209 * scanner.cpp: Fixed bug when number of detectors was even.
211 * ctsim: Improved error handling when trying to convert
212 divergent projections into polar form.
214 3.0.1 - Released 2/19/01
216 * ctsim: Fixed dialog box for reconstruction so that
217 rotation angle setting will stay fixed in-between use
220 * syserror: Fixed display bug for trace messages
222 * ctsim: MSVC optimization bug work-around, compiler
225 3.0.0 - Released 2/19/01
227 * ctsim: Massive update/fix to online help and print manual.
229 * ctsim: Added context-sensitive help to dialog boxes
231 * ctsim: Reformated all dialog boxes, much nicer now.
233 * ctsim: Improved accelerator key handling
235 * global: Added Hanning filter.
237 * global: Improved default parameters to that all defaults give
240 3.0.0beta1 - Released 2/11/01
242 * ctsim: Added most-recently-used files to File menu with
243 registry storage between executions.
245 * ctsim: Hides arcane features unless enabled by Preferences dialog
247 * ctsim: Added MDI interface for Windows version and made it default for Windows.
249 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
251 * ctsim: Added graphical About box
253 * ctsim: Escape key now removes cursor lines from image file view
255 * ctsim: Added Revert to ImageFile menu
257 * ctsim: Added accelerator (hotkeys) to frames
259 * ctsim: Online help added!
261 * backprojector: Added cubic interpolation
263 * ctsim: Added icons to Frames on X-Window and MS Windows versions
265 * ctsim: Fixed tick-label placement for plots on projection and
266 reconstruction dialogs.
268 * timer.h: Add use of _ftime when compiling on MSVC
270 * global: Projection files are not compatible with previous version
271 due to new scanner definitions.
273 * global: deleted concept of field-of-view and added
274 view ratio and scan ratio concepts.
276 * ctsim: Fixed crash on shutdown bug
278 * pjinfo: Fixed bug when doing --dump and not specifing --endview
280 * phm2pj: Fixed MPI bug with broadcasting of variables
282 * ctsimtext-lam: Changes for first version to compile under lam
285 3.0.0alpha5 - Released 1/12/00
287 * ctsim: Added EZPlotDialog, used by debugging plots in
290 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
291 bug in parsing command-line parameters.
293 * views.cpp: Fixed bug in copying of labels from images to
296 * syserror.cpp: fixed reporting for fatal errors
298 * projections.cpp: fixed MSVC failure with std:: namespace
300 * procsignal.cpp: fixed bug in equiangular reconstructions
301 for frequency/inverse-fourier filtering
303 3.0.0alpha4 - Released 1/09/01
305 * ctsim: Added reset to full-intensity scale menu item
307 * ctsim: Add conversion of projections to polar plot [Thanks to
308 Ian Kay for reference and math hints in polar bilinear scaling]
310 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
313 * ctsim: imagefile labels are now copied to plotfiles
315 * ctsim: Added more analyze menuitems
317 * ctsimtext: First version. All command-line tools are now accessed
318 through this master shell. Has both command-line and interactive
321 * ctsim: Fixed initialization of min/max bug for PlotFiles
323 * ezplot: Cleaned up y-tick label placement
325 * sgp: Added better support for projection/reconstruction animation
327 3.0.0alpha3 - Released 1/02/01
329 * ctsim: Added plotting of histograms
331 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
333 * ezplot.cpp: adjusted xtick label displays for better placement
335 3.0alpha2 - Released 1/02/01
337 * ctsim: All functions of command-line tools are now in graphical ctsim
339 * ctsim: added generation of filter images
341 * ctsim: Added 2-image math functions (mul, add, div, sub)
343 * ctsim: Added export of imagefiles to graphic file formats
345 * ctsim: Added support for scaling imagefiles in new sizes
347 * ctsim: Added ability to save standard phantom definitions as
348 text files suitable for reading.
350 * ctsim: Add labels for image transformations and display of labels
351 when performing properties of images.
353 * processsignal.cpp: Fixed "off by one" bug in
354 shuffleNaturalToFourierOrder when n is even. Moved functions to
357 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
358 image math functions to complex-valued math.
360 * phantom.cpp: Added ability to save phantom files as ASCII text.
362 3.0alpha1 - Released 12/29/00
364 * Added PlotFile class to system, used by if2 and ctsim for row
365 and column plots and comparison plots
367 * ctsim: Added image comparison statistics and image subtraction
369 * ctsim: Added plotting of rows & columns with y-axis scaling
371 * ctsim: Added row and column plot comparisons between two image
374 * ctsim: Added "Process" menu to image file display with math
375 functions. Added 2-dimensional inverse Fourier to math
376 functions. Added support for complex (real/imaginary) images.
378 * mathfuncs.cpp: Reworked statistics algorithm to share between
379 imagefile and plotfile classes.
381 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
382 nsamples > 2. Added generic mage math functions, moved from
383 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
386 * array2dfile.cpp: Added code to support complex (real/imaginary)
389 * if1: Updated to handle error conditions, such as sqrt of a
390 negative number. Converted to use new ImageFile math functions.
392 * if2: Updated to output plot files and use new ImageFile class
395 * if1: Updated to use new ImageFile class math functions
397 * ezplot: Reworked to better store colors/linestyles/symbols with
398 individual curves. Improved display of labels and ticks. Updated
399 to use POL class member variable. Updated to more C++ conventions.
401 * pol: converted to C++ class. Extracted HashTable to separate
404 * sgp: Added linestyle settings
407 First Microsoft Windows GUI version
408 Modifications for Microsoft Visual C++ compilation.
409 Improved pjinfo to output binary headers and view data, useful
410 when manually compiling phantoms that vary during projection
411 process. Thanks to Ian Kay for idea and code submission.
412 Improved sorting to find median in ImageFile::statistics
413 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
414 Changed reconstruction dialog to fix onto smaller screens
415 Fixed display of plotting in Projection views
416 Improved animation displays for Projections and Reconstructions
417 Changed code to explicitly use std:: namespace rather than
418 "namespace using std" statements
419 Fixed reconstruction scaling bug introduced in 2.0.6
420 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
423 Fixed minor compilation problem with procsignal.h
425 Fixed bug when simulating projections and Trace == CONSOLE
426 Fixed scaling bug when performing redundant rotations around object
429 Improved compilation on RedHat 7
430 Changed some of ANSI C header files to C++ header files
431 Removed README.RedHat7
434 Added documentation for --geometry setting
435 Added README.RedHat7 document
438 Fixed bug in generation of binary PGM files
439 Fixed MPI compilation bug in phm2pj.cpp
440 Inverted y-axis output for pj2if (bug alert from Ian Kay)
443 Additions to man pages (Ian Kay)
444 Fix problem with reading of ASCII phantom files (Ian Kay)
447 Fixed syntax error in fftw configuration
448 Slight modifications to support gcc v2.9.6
451 Version 2.0.0 released!
452 ctsim: Added Window menu to Main frame
453 ctsim: Disabled not support reconstruction method
454 Fixed obscure bug in sys_error
455 Fixed compilation in mingw environment not present
456 Fixed compilation in non-graphical environments
459 ctsim: Added animation of reconstruction
460 ctsim: Added saving of dialog parameters for Projection & Reconstruction
461 ctsim: Added progress dialog for rasterization of phantom
462 ctsim: used setpriority to set lower priority
463 ctsim: fixed pReconstruct not being deleted causing scaling problem
464 ctsim: fixed projection animation dialog buttons
467 ctsim: Added projection graph to animation of projection collection
468 ctsim: Added single stepping to projection collection animation
469 ctsim: improved File/Properties display for projection files
470 ctsim: Added progress dialog for reconstructions
471 ctsim: Added file labels for projection and reconstruction images
472 ctsim: Made File/Properties bring up modal dialogs
473 Added reconstruction for Equilinear and Equiangular geometries
474 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
475 Separated reconstruction into Reconstructor class
476 Fixed center of detector adjustment for even number of detectors
477 Added --enable-static to generate statically linked programs
480 ctsim: Added animation of projection collection processs
481 ctsim: Added Auto Scaling for image windows
482 ctsim: Change menus from "windowing" to "display scaling"
483 Added FieldOfView and FocalLength ratio parameters to projection collection
484 Added FocalLength & FieldOfView fields to projection data files
485 Added Projection collection for Equilinear and Equiangular geometries
486 Changed name of Rowland Phantom to correct name of Shepp-Logan
487 Fixed bug in backprojection selection
490 Added RCS Id strings to executable files
491 Added RPM Spec file for RPM package creation
492 Added loading of ASCII phanthom definitions from files
493 Fixed compilation for non-SGP architectures
494 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
495 Added Filter-Generation option to reconstruction to allow direct or
496 inverse_fourier construction of filters
497 Added median to statistics and to auto-windowing
500 Added line color support to SGP
504 Finished support for dmallocxx library
505 Fixed bug in SignalFilter::convertFilterMethodNameToID()
506 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
507 G2 windows and well as WXWindows.
508 ctsim program: "Create Phantom" now shows phantom object
509 Fixed row-plot bug in if-2
510 Reworked EZPlot's multiple plot operation
513 ctsim program: improved initial size and scroll area for image
515 ctsim program: added rasterization parameters, projections parameters,
516 and reconstruction parameters dialogs
517 Moved char[] static definition from header files to c++ files
518 Completely reorganized option processing in classes to improve
519 expandability and to assist ctsim graphical user interface.
522 ctsim program: Added dialog to set minimum/maximum display levels
523 Started ctsim.tex document file
526 Fixed compiler warnings at -Wall level
527 Began work on CTSim program to be graphical front-end of all functions
528 Moved current src/*.cpp to tools/*.cpp
529 Made CTSim graphical front-end's home to be src/
532 Added highly optimized backprojection method idiff3
533 Moved comparative stats to if-2 program from ifinfo
534 Fixed image display in if2img using G2 library
535 Added column-plot and row-plot options to if-2
536 Added autoselection of analytic/calculated spatial responses to SignalFilter
537 Added frequency-based preinterpolation to SignalFilter and idiff3
538 backprojection method. Currently, this technique is still under
539 development and debugging
540 Moved graphic file writing to ImageFile class from if2img program
543 Cleaned up SignalFilter class
544 Added zeropad option to pjrec
545 Added zeropad options to html and cgi files
546 Added fourier_table and rfttw filter methods
547 Added FFTW routines to use real/half-complex transformations
550 Updated trace level processing
551 Added trace level to SignalFilter
552 Fixed magnitude vs. real output bug in FFT/Fourier filter
555 Fixed const issue with ImageFileArray
556 Fixed Array2dFile::labelsCopy()
557 Added copy constructor and assignment for Array2dFileLabel class
558 Added Timer to if-2.cpp and ifinfo.cpp
559 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
560 Added option processing for filter-method for pjrec to choose
561 between convolution, dft, & fft filtering
562 Fixed format string for EZPlot so axis labels now print
563 Added support for FFTW library
566 Rewrote Array2dFile class to be non-templated
567 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
568 Rewrote Array2dFileLabel class to make members private, added access routines
569 Removed timedate.cpp in favor of standard C library time/date functions
570 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
571 Added signature tag and creation date/time to projection files
574 Standardized string option processing by classes. All classes use character strings
575 to select options rather than numeric constants. Added fail() and failMessage()
576 methods to verify that objects are created correctly by character strings.
577 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
578 Rewrote ImageFile class
579 Started support for dmallocxx library, not finished
580 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
581 Updated ifinfo to show comparative statistics
582 Added printLabels() to Array2dFile class
583 Added printStatistics() to ImageFile class
586 Moved conversion filter name/id to Filter class
587 Moved conversion backprojection name/id to Backproj class
588 Added MPI broadcasting of strings
591 Merged proj_reconstr into class Projections
592 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
593 Code cleanup in projections.cpp
594 Moved conversion of phantom names/id to Phantom class
597 Converted projection files to C++ library with frnetorderstream
598 Converted image files to C++ library with frnetorderstream
599 Converted filter and convolution to object-oriented code
600 Changed default image file to float from double -- Changable in imagefile.h
601 Optimized image file writing on little-endian architectures
602 Updated README and INSTALL
605 Reorganized source files
606 MPI bug fixed to phm2pj.cpp
609 Reorganized include files
610 Fixed const pointers in strfuncs
613 Renamed directories, moved source files, combined source files
614 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
618 Skip versions to make version 2.0 the first fully C++ version
619 Renamed Raysums to Projections throughout files
620 Renamed Detector to Scanner
621 Converted Scanner and Projecions to full object-oriented
624 Converted Phantom and PhantomElements to Object-Oriented
625 Converted Detector to Object-Oriented
628 Improved Integer backprojection method
629 Fixed nearest neighbor to be truly nearest neighbor
630 Made linear interpolation more integer arithmetic -> speed improvement
631 Finished converting all C files to C++
632 Converted all use of malloc/free to C++ new/delete
633 Began object-oriented conversion of Phantom and Projection structures
636 Converted MPI data structures to C++ object
637 Made ImageFile directly inherit from Array2dFile
640 First C++ conversions
641 Portable IF (image file) format implemented with objects (SDF removed)
642 - Now all data files are cross-platform compatible
643 Converted from MPI to MPI++
644 Converted backprojection to object-oriented
645 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
648 Simpilifed endian handling
651 Added support for 64-bit (IA64) CPU
652 Removed broken B-spline interpolation
653 Added support for cygwin platform under Windows 2000
654 Added support for 16-bit PNG graphics
657 Added compile-time configuration of endian order
660 Modified the raysum file format to be platform independent
663 Added Microsoft VC compatibility
664 Cleaned up compilation warnings in libgraph
667 Continued conversion to ANSI C
668 Removed old CRT routines
671 Renamed pictures to phantoms, objects to phantom elements
672 Continued code cleanup
675 More code cleanup with reorganizing libraries
676 Added --log and --exp to sdf-1
677 Allowed negative numbers for window levels in CGI interface
680 Continued code cleanup
684 Better documented, coded raysum in-memory on on-disk options
687 Cleaned out library that wasn't being used by CTSim
688 Modified ctsim.cgi to read in configuration file ctsim.conf
691 First open source distribution for GNU/Linux
694 Converted to GNU/Linux
695 added MPI support via LAM library
698 Developed under MS-DOS and IBM EGA graphics