1 Aug 6, 2009 Version 5.0.6
2 * Use wxWidgets command-line processing rather than existing
5 Aug 3, 2009 Version 5.0.5
6 * Fix plots when maximum plot value is the same as minimum
8 Aug 3, 2009 Version 5.0.5
9 * More wx2.8 compatibility fixes.
10 * Fix initial size of Log TextCtrl at start-up.
11 * Fix display of values in Log window by cleaning up string
14 Aug 2, 2009 Version 5.0.4
15 * More wx2.8 compatibility fixes. Ensure that a resize of a window
16 causes a full repaint for phantom, plot, and graph3d canvases.
18 Aug 1, 2009 Version 5.0.1
19 * missing: Update to latest automake version
20 * configure: make compatible with wxMac
21 * update few source files for non-unicode wxWidgets 2.8 compatibility
23 Aug 1, 2009 Version 5.0.0
24 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
25 Currently, code compiles without warnings, but there are
26 GUI visual problems at the momemt running with wx2.8
28 Sep 17, 2007 Version 4.5.5
29 * better cleaning in makefiles
30 * use "const char" variables for string literals
32 Sep 10, 2007 Version 4.5.4
33 * configure.ac: Fix builds with multiple versions of wx-config
34 -- thanks to Steve White
36 Apr 1, 2007 Version 4.5.3
37 * include/timer.h: Fix building on GCC 4.3
38 -- thanks to Martin Michlmayr
40 Oct 19, 2006 Version 4.5.2
41 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
42 -- thanks to Sven Huth
44 Oct 18, 2006 Version 4.5.1
45 * configure: rebuild from configure.ac
47 Oct 15, 2006 Version 4.5.0
48 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
49 and simply computing rotScale -- thanks to Dan Martin.
51 Mar 16, 2006 Version 4.4.4
52 * Changes for g++ 4.1 support
54 Aug 22, 2005 Version 4.4.2
55 * New URL for downloading CTSim
57 Aug 22, 2005 Version 4.4.1
58 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
60 Aug 22, 2005 Version 4.4.0
61 * Changes in configure.ac for X.org compatibility with Debian Etch
62 and FC4. May not be backward compatibility with XFree86.
64 Aug 10, 2004 Version 4.3.2, Version 4.3.3
65 * Minor changes in man pages to fix groff warnings
67 Nov 1, 2003 Version 4.3.1
68 * Add support for SuSE AMD64
70 Oct 5, 2003 Version 4.3.0
71 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
73 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
76 Oct 3, 2003 Version 4.2.7
77 * Add support for building on RedHat AMD64
79 Sep 30, 2003 Version 4.2.7
80 * Fix minor issue with floating point difference backprojection, add
83 * Fix building with newest versions of automake 1.7
85 * Add support for 8-byte longs [for example, Athlon64] in
86 integer difference backprojection allowing for 64-bit integer
89 Mar 22, 2003 Version 4.2.3
91 * Added Fourier reconstruction method
93 * Support gcc 3.2, wxWindows 2.4, and MacOS X
95 * Fix polar interpolation
97 Jun 26, 2002 Version 3.5.6
99 * Fix minor color PNG image importing bug
101 * Bug fix for building on Debian alpha platform
103 * Fix g++ compilation warnings
105 Jun 13, 2002 Version 3.5.5
107 * Fix printing of version number
111 * Updated Win32 compatibility
113 Jun 8, 2002 Version 3.5.4
115 * Print version number in log window with About command
117 * Fix problem with captions not showing on some windows. Reworked
118 creation of new windows.
120 * Disabled status bar on 3d views
122 * Fix bug in configure.ac that prevented using compiler
125 * Updated About splash screen
127 May 29, 2002 Version 3.5.3
128 * Added support for g++ 3.04 compiler
130 May 8, 2002 Version 3.5.2
131 * configure: improved CTN (DICOM) installation search
132 * src/ctsim.cpp: Fixed initial image size with import command
134 May 5, 2002 Version 3.5.1
138 * ctsim: Added tips to be displayed at startup and via the help menu.
139 * ctsim: Added center-detector concept. Allow for detector array
140 to be any arbitrary distance from center of scanner. As a result,
141 projection files are not incompatible with previous version of
143 * ctsim: Added threaded tasks and background manager for
144 background processing as well as taking advantage of multiple-CPU's
145 on SMP systems. (Microsoft Windows only)
146 * ctsim: Added plot t-theta sampling to projection file menu.
147 * ctsim: Added Reconstruction with Rebinning for faster
148 divergent beam reconstructions.
149 * ctsim: Added import and export of DICOM image files.
150 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
151 * ctsim: Added FFT/IFFT of columns of image files.
152 * ctsim: Added clipboard cut/copy/paste for image files.
153 * ctsim: Added region of interest to reconstructions.
154 * ctsim: Added Convert Rectangular Image to Projection files
155 * ctsim: Added "Verbose Logging", "Startup Tips", and
156 "Background processes" options to Preferences dialog.
157 * ctsim: Added plotting of projection file histograms.
158 * plotfile: Added scattergram plot functions
159 * ctsim: Added accelerator key for File-Properties
160 * ctsim: Improved wireframe 3-d display to remove hidden
162 * backprojectors.cpp: Added setting of axis extent and increment
164 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
165 projection data files.
169 * views.cpp: reduced calls to progress bar update, significant speedup
170 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
171 not being displayed on Unix platforms.
172 * views.cpp: Added out-of-memory checks to display for huge
173 image and projection files.
174 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
175 * imagefile.cpp: Fixed scaling factor in fftRows
176 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
178 * sgp.cpp: Fixed bug in drawCircle.
179 * distribution: fixed problem with documentation files not
180 being included with the distribution (Reported by Ian Kay).
181 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
182 * fixed ctsimtext shell when giving no parameters to function-name
183 * phm2if, phm2pj: Updated help messages for renamed phantoms
185 3.0.3 - Released 2/20/01
187 * ctsim: Fixed core dump on Linux with OpenGL
189 * ctsim: Fixed context-sensitive help on Linux
191 * ctsim: Fixed About box on Linux
193 3.0.2 - Released 2/20/01
195 * scanner.cpp: Fixed bug when number of detectors was even.
197 * ctsim: Improved error handling when trying to convert
198 divergent projections into polar form.
200 3.0.1 - Released 2/19/01
202 * ctsim: Fixed dialog box for reconstruction so that
203 rotation angle setting will stay fixed in-between use
206 * syserror: Fixed display bug for trace messages
208 * ctsim: MSVC optimization bug work-around, compiler
211 3.0.0 - Released 2/19/01
213 * ctsim: Massive update/fix to online help and print manual.
215 * ctsim: Added context-sensitive help to dialog boxes
217 * ctsim: Reformated all dialog boxes, much nicer now.
219 * ctsim: Improved accelerator key handling
221 * global: Added Hanning filter.
223 * global: Improved default parameters to that all defaults give
226 3.0.0beta1 - Released 2/11/01
228 * ctsim: Added most-recently-used files to File menu with
229 registry storage between executions.
231 * ctsim: Hides arcane features unless enabled by Preferences dialog
233 * ctsim: Added MDI interface for Windows version and made it default for Windows.
235 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
237 * ctsim: Added graphical About box
239 * ctsim: Escape key now removes cursor lines from image file view
241 * ctsim: Added Revert to ImageFile menu
243 * ctsim: Added accelerator (hotkeys) to frames
245 * ctsim: Online help added!
247 * backprojector: Added cubic interpolation
249 * ctsim: Added icons to Frames on X-Window and MS Windows versions
251 * ctsim: Fixed tick-label placement for plots on projection and
252 reconstruction dialogs.
254 * timer.h: Add use of _ftime when compiling on MSVC
256 * global: Projection files are not compatible with previous version
257 due to new scanner definitions.
259 * global: deleted concept of field-of-view and added
260 view ratio and scan ratio concepts.
262 * ctsim: Fixed crash on shutdown bug
264 * pjinfo: Fixed bug when doing --dump and not specifing --endview
266 * phm2pj: Fixed MPI bug with broadcasting of variables
268 * ctsimtext-lam: Changes for first version to compile under lam
271 3.0.0alpha5 - Released 1/12/00
273 * ctsim: Added EZPlotDialog, used by debugging plots in
276 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
277 bug in parsing command-line parameters.
279 * views.cpp: Fixed bug in copying of labels from images to
282 * syserror.cpp: fixed reporting for fatal errors
284 * projections.cpp: fixed MSVC failure with std:: namespace
286 * procsignal.cpp: fixed bug in equiangular reconstructions
287 for frequency/inverse-fourier filtering
289 3.0.0alpha4 - Released 1/09/01
291 * ctsim: Added reset to full-intensity scale menu item
293 * ctsim: Add conversion of projections to polar plot [Thanks to
294 Ian Kay for reference and math hints in polar bilinear scaling]
296 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
299 * ctsim: imagefile labels are now copied to plotfiles
301 * ctsim: Added more analyze menuitems
303 * ctsimtext: First version. All command-line tools are now accessed
304 through this master shell. Has both command-line and interactive
307 * ctsim: Fixed initialization of min/max bug for PlotFiles
309 * ezplot: Cleaned up y-tick label placement
311 * sgp: Added better support for projection/reconstruction animation
313 3.0.0alpha3 - Released 1/02/01
315 * ctsim: Added plotting of histograms
317 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
319 * ezplot.cpp: adjusted xtick label displays for better placement
321 3.0alpha2 - Released 1/02/01
323 * ctsim: All functions of command-line tools are now in graphical ctsim
325 * ctsim: added generation of filter images
327 * ctsim: Added 2-image math functions (mul, add, div, sub)
329 * ctsim: Added export of imagefiles to graphic file formats
331 * ctsim: Added support for scaling imagefiles in new sizes
333 * ctsim: Added ability to save standard phantom definitions as
334 text files suitable for reading.
336 * ctsim: Add labels for image transformations and display of labels
337 when performing properties of images.
339 * processsignal.cpp: Fixed "off by one" bug in
340 shuffleNaturalToFourierOrder when n is even. Moved functions to
343 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
344 image math functions to complex-valued math.
346 * phantom.cpp: Added ability to save phantom files as ASCII text.
348 3.0alpha1 - Released 12/29/00
350 * Added PlotFile class to system, used by if2 and ctsim for row
351 and column plots and comparison plots
353 * ctsim: Added image comparison statistics and image subtraction
355 * ctsim: Added plotting of rows & columns with y-axis scaling
357 * ctsim: Added row and column plot comparisons between two image
360 * ctsim: Added "Process" menu to image file display with math
361 functions. Added 2-dimensional inverse Fourier to math
362 functions. Added support for complex (real/imaginary) images.
364 * mathfuncs.cpp: Reworked statistics algorithm to share between
365 imagefile and plotfile classes.
367 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
368 nsamples > 2. Added generic mage math functions, moved from
369 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
372 * array2dfile.cpp: Added code to support complex (real/imaginary)
375 * if1: Updated to handle error conditions, such as sqrt of a
376 negative number. Converted to use new ImageFile math functions.
378 * if2: Updated to output plot files and use new ImageFile class
381 * if1: Updated to use new ImageFile class math functions
383 * ezplot: Reworked to better store colors/linestyles/symbols with
384 individual curves. Improved display of labels and ticks. Updated
385 to use POL class member variable. Updated to more C++ conventions.
387 * pol: converted to C++ class. Extracted HashTable to separate
390 * sgp: Added linestyle settings
393 First Microsoft Windows GUI version
394 Modifications for Microsoft Visual C++ compilation.
395 Improved pjinfo to output binary headers and view data, useful
396 when manually compiling phantoms that vary during projection
397 process. Thanks to Ian Kay for idea and code submission.
398 Improved sorting to find median in ImageFile::statistics
399 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
400 Changed reconstruction dialog to fix onto smaller screens
401 Fixed display of plotting in Projection views
402 Improved animation displays for Projections and Reconstructions
403 Changed code to explicitly use std:: namespace rather than
404 "namespace using std" statements
405 Fixed reconstruction scaling bug introduced in 2.0.6
406 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
409 Fixed minor compilation problem with procsignal.h
411 Fixed bug when simulating projections and Trace == CONSOLE
412 Fixed scaling bug when performing redundant rotations around object
415 Improved compilation on RedHat 7
416 Changed some of ANSI C header files to C++ header files
417 Removed README.RedHat7
420 Added documentation for --geometry setting
421 Added README.RedHat7 document
424 Fixed bug in generation of binary PGM files
425 Fixed MPI compilation bug in phm2pj.cpp
426 Inverted y-axis output for pj2if (bug alert from Ian Kay)
429 Additions to man pages (Ian Kay)
430 Fix problem with reading of ASCII phantom files (Ian Kay)
433 Fixed syntax error in fftw configuration
434 Slight modifications to support gcc v2.9.6
437 Version 2.0.0 released!
438 ctsim: Added Window menu to Main frame
439 ctsim: Disabled not support reconstruction method
440 Fixed obscure bug in sys_error
441 Fixed compilation in mingw environment not present
442 Fixed compilation in non-graphical environments
445 ctsim: Added animation of reconstruction
446 ctsim: Added saving of dialog parameters for Projection & Reconstruction
447 ctsim: Added progress dialog for rasterization of phantom
448 ctsim: used setpriority to set lower priority
449 ctsim: fixed pReconstruct not being deleted causing scaling problem
450 ctsim: fixed projection animation dialog buttons
453 ctsim: Added projection graph to animation of projection collection
454 ctsim: Added single stepping to projection collection animation
455 ctsim: improved File/Properties display for projection files
456 ctsim: Added progress dialog for reconstructions
457 ctsim: Added file labels for projection and reconstruction images
458 ctsim: Made File/Properties bring up modal dialogs
459 Added reconstruction for Equilinear and Equiangular geometries
460 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
461 Separated reconstruction into Reconstructor class
462 Fixed center of detector adjustment for even number of detectors
463 Added --enable-static to generate statically linked programs
466 ctsim: Added animation of projection collection processs
467 ctsim: Added Auto Scaling for image windows
468 ctsim: Change menus from "windowing" to "display scaling"
469 Added FieldOfView and FocalLength ratio parameters to projection collection
470 Added FocalLength & FieldOfView fields to projection data files
471 Added Projection collection for Equilinear and Equiangular geometries
472 Changed name of Rowland Phantom to correct name of Shepp-Logan
473 Fixed bug in backprojection selection
476 Added RCS Id strings to executable files
477 Added RPM Spec file for RPM package creation
478 Added loading of ASCII phanthom definitions from files
479 Fixed compilation for non-SGP architectures
480 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
481 Added Filter-Generation option to reconstruction to allow direct or
482 inverse_fourier construction of filters
483 Added median to statistics and to auto-windowing
486 Added line color support to SGP
490 Finished support for dmallocxx library
491 Fixed bug in SignalFilter::convertFilterMethodNameToID()
492 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
493 G2 windows and well as WXWindows.
494 ctsim program: "Create Phantom" now shows phantom object
495 Fixed row-plot bug in if-2
496 Reworked EZPlot's multiple plot operation
499 ctsim program: improved initial size and scroll area for image
501 ctsim program: added rasterization parameters, projections parameters,
502 and reconstruction parameters dialogs
503 Moved char[] static definition from header files to c++ files
504 Completely reorganized option processing in classes to improve
505 expandability and to assist ctsim graphical user interface.
508 ctsim program: Added dialog to set minimum/maximum display levels
509 Started ctsim.tex document file
512 Fixed compiler warnings at -Wall level
513 Began work on CTSim program to be graphical front-end of all functions
514 Moved current src/*.cpp to tools/*.cpp
515 Made CTSim graphical front-end's home to be src/
518 Added highly optimized backprojection method idiff3
519 Moved comparative stats to if-2 program from ifinfo
520 Fixed image display in if2img using G2 library
521 Added column-plot and row-plot options to if-2
522 Added autoselection of analytic/calculated spatial responses to SignalFilter
523 Added frequency-based preinterpolation to SignalFilter and idiff3
524 backprojection method. Currently, this technique is still under
525 development and debugging
526 Moved graphic file writing to ImageFile class from if2img program
529 Cleaned up SignalFilter class
530 Added zeropad option to pjrec
531 Added zeropad options to html and cgi files
532 Added fourier_table and rfttw filter methods
533 Added FFTW routines to use real/half-complex transformations
536 Updated trace level processing
537 Added trace level to SignalFilter
538 Fixed magnitude vs. real output bug in FFT/Fourier filter
541 Fixed const issue with ImageFileArray
542 Fixed Array2dFile::labelsCopy()
543 Added copy constructor and assignment for Array2dFileLabel class
544 Added Timer to if-2.cpp and ifinfo.cpp
545 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
546 Added option processing for filter-method for pjrec to choose
547 between convolution, dft, & fft filtering
548 Fixed format string for EZPlot so axis labels now print
549 Added support for FFTW library
552 Rewrote Array2dFile class to be non-templated
553 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
554 Rewrote Array2dFileLabel class to make members private, added access routines
555 Removed timedate.cpp in favor of standard C library time/date functions
556 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
557 Added signature tag and creation date/time to projection files
560 Standardized string option processing by classes. All classes use character strings
561 to select options rather than numeric constants. Added fail() and failMessage()
562 methods to verify that objects are created correctly by character strings.
563 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
564 Rewrote ImageFile class
565 Started support for dmallocxx library, not finished
566 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
567 Updated ifinfo to show comparative statistics
568 Added printLabels() to Array2dFile class
569 Added printStatistics() to ImageFile class
572 Moved conversion filter name/id to Filter class
573 Moved conversion backprojection name/id to Backproj class
574 Added MPI broadcasting of strings
577 Merged proj_reconstr into class Projections
578 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
579 Code cleanup in projections.cpp
580 Moved conversion of phantom names/id to Phantom class
583 Converted projection files to C++ library with frnetorderstream
584 Converted image files to C++ library with frnetorderstream
585 Converted filter and convolution to object-oriented code
586 Changed default image file to float from double -- Changable in imagefile.h
587 Optimized image file writing on little-endian architectures
588 Updated README and INSTALL
591 Reorganized source files
592 MPI bug fixed to phm2pj.cpp
595 Reorganized include files
596 Fixed const pointers in strfuncs
599 Renamed directories, moved source files, combined source files
600 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
604 Skip versions to make version 2.0 the first fully C++ version
605 Renamed Raysums to Projections throughout files
606 Renamed Detector to Scanner
607 Converted Scanner and Projecions to full object-oriented
610 Converted Phantom and PhantomElements to Object-Oriented
611 Converted Detector to Object-Oriented
614 Improved Integer backprojection method
615 Fixed nearest neighbor to be truly nearest neighbor
616 Made linear interpolation more integer arithmetic -> speed improvement
617 Finished converting all C files to C++
618 Converted all use of malloc/free to C++ new/delete
619 Began object-oriented conversion of Phantom and Projection structures
622 Converted MPI data structures to C++ object
623 Made ImageFile directly inherit from Array2dFile
626 First C++ conversions
627 Portable IF (image file) format implemented with objects (SDF removed)
628 - Now all data files are cross-platform compatible
629 Converted from MPI to MPI++
630 Converted backprojection to object-oriented
631 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
634 Simpilifed endian handling
637 Added support for 64-bit (IA64) CPU
638 Removed broken B-spline interpolation
639 Added support for cygwin platform under Windows 2000
640 Added support for 16-bit PNG graphics
643 Added compile-time configuration of endian order
646 Modified the raysum file format to be platform independent
649 Added Microsoft VC compatibility
650 Cleaned up compilation warnings in libgraph
653 Continued conversion to ANSI C
654 Removed old CRT routines
657 Renamed pictures to phantoms, objects to phantom elements
658 Continued code cleanup
661 More code cleanup with reorganizing libraries
662 Added --log and --exp to sdf-1
663 Allowed negative numbers for window levels in CGI interface
666 Continued code cleanup
670 Better documented, coded raysum in-memory on on-disk options
673 Cleaned out library that wasn't being used by CTSim
674 Modified ctsim.cgi to read in configuration file ctsim.conf
677 First open source distribution for GNU/Linux
680 Converted to GNU/Linux
681 added MPI support via LAM library
684 Developed under MS-DOS and IBM EGA graphics