1 Aug 3, 2009 Version 5.0.5
2 * Fix plots when maximum plot value is the same as minimum
4 Aug 3, 2009 Version 5.0.5
5 * More wx2.8 compatibility fixes.
6 * Fix initial size of Log TextCtrl at start-up.
7 * Fix display of values in Log window by cleaning up string
10 Aug 2, 2009 Version 5.0.4
11 * More wx2.8 compatibility fixes. Ensure that a resize of a window
12 causes a full repaint for phantom, plot, and graph3d canvases.
14 Aug 1, 2009 Version 5.0.1
15 * missing: Update to latest automake version
16 * configure: make compatible with wxMac
17 * update few source files for non-unicode wxWidgets 2.8 compatibility
19 Aug 1, 2009 Version 5.0.0
20 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
21 Currently, code compiles without warnings, but there are
22 GUI visual problems at the momemt running with wx2.8
24 Sep 17, 2007 Version 4.5.5
25 * better cleaning in makefiles
26 * use "const char" variables for string literals
28 Sep 10, 2007 Version 4.5.4
29 * configure.ac: Fix builds with multiple versions of wx-config
30 -- thanks to Steve White
32 Apr 1, 2007 Version 4.5.3
33 * include/timer.h: Fix building on GCC 4.3
34 -- thanks to Martin Michlmayr
36 Oct 19, 2006 Version 4.5.2
37 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
38 -- thanks to Sven Huth
40 Oct 18, 2006 Version 4.5.1
41 * configure: rebuild from configure.ac
43 Oct 15, 2006 Version 4.5.0
44 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
45 and simply computing rotScale -- thanks to Dan Martin.
47 Mar 16, 2006 Version 4.4.4
48 * Changes for g++ 4.1 support
50 Aug 22, 2005 Version 4.4.2
51 * New URL for downloading CTSim
53 Aug 22, 2005 Version 4.4.1
54 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
56 Aug 22, 2005 Version 4.4.0
57 * Changes in configure.ac for X.org compatibility with Debian Etch
58 and FC4. May not be backward compatibility with XFree86.
60 Aug 10, 2004 Version 4.3.2, Version 4.3.3
61 * Minor changes in man pages to fix groff warnings
63 Nov 1, 2003 Version 4.3.1
64 * Add support for SuSE AMD64
66 Oct 5, 2003 Version 4.3.0
67 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
68 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
70 Oct 3, 2003 Version 4.2.7
71 * Add support for building on RedHat AMD64
73 Sep 30, 2003 Version 4.2.7
74 * Fix minor issue with floating point difference backprojection, add
77 * Fix building with newest versions of automake 1.7
79 * Add support for 8-byte longs [for example, Athlon64] in
80 integer difference backprojection allowing for 64-bit integer
83 Mar 22, 2003 Version 4.2.3
85 * Added Fourier reconstruction method
87 * Support gcc 3.2, wxWindows 2.4, and MacOS X
89 * Fix polar interpolation
91 Jun 26, 2002 Version 3.5.6
93 * Fix minor color PNG image importing bug
95 * Bug fix for building on Debian alpha platform
97 * Fix g++ compilation warnings
99 Jun 13, 2002 Version 3.5.5
101 * Fix printing of version number
105 * Updated Win32 compatibility
107 Jun 8, 2002 Version 3.5.4
109 * Print version number in log window with About command
111 * Fix problem with captions not showing on some windows. Reworked
112 creation of new windows.
114 * Disabled status bar on 3d views
116 * Fix bug in configure.ac that prevented using compiler
119 * Updated About splash screen
121 May 29, 2002 Version 3.5.3
122 * Added support for g++ 3.04 compiler
124 May 8, 2002 Version 3.5.2
125 * configure: improved CTN (DICOM) installation search
126 * src/ctsim.cpp: Fixed initial image size with import command
128 May 5, 2002 Version 3.5.1
132 * ctsim: Added tips to be displayed at startup and via the help menu.
133 * ctsim: Added center-detector concept. Allow for detector array
134 to be any arbitrary distance from center of scanner. As a result,
135 projection files are not incompatible with previous version of
137 * ctsim: Added threaded tasks and background manager for
138 background processing as well as taking advantage of multiple-CPU's
139 on SMP systems. (Microsoft Windows only)
140 * ctsim: Added plot t-theta sampling to projection file menu.
141 * ctsim: Added Reconstruction with Rebinning for faster
142 divergent beam reconstructions.
143 * ctsim: Added import and export of DICOM image files.
144 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
145 * ctsim: Added FFT/IFFT of columns of image files.
146 * ctsim: Added clipboard cut/copy/paste for image files.
147 * ctsim: Added region of interest to reconstructions.
148 * ctsim: Added Convert Rectangular Image to Projection files
149 * ctsim: Added "Verbose Logging", "Startup Tips", and
150 "Background processes" options to Preferences dialog.
151 * ctsim: Added plotting of projection file histograms.
152 * plotfile: Added scattergram plot functions
153 * ctsim: Added accelerator key for File-Properties
154 * ctsim: Improved wireframe 3-d display to remove hidden
156 * backprojectors.cpp: Added setting of axis extent and increment
158 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
159 projection data files.
163 * views.cpp: reduced calls to progress bar update, significant speedup
164 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
165 not being displayed on Unix platforms.
166 * views.cpp: Added out-of-memory checks to display for huge
167 image and projection files.
168 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
169 * imagefile.cpp: Fixed scaling factor in fftRows
170 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
172 * sgp.cpp: Fixed bug in drawCircle.
173 * distribution: fixed problem with documentation files not
174 being included with the distribution (Reported by Ian Kay).
175 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
176 * fixed ctsimtext shell when giving no parameters to function-name
177 * phm2if, phm2pj: Updated help messages for renamed phantoms
179 3.0.3 - Released 2/20/01
181 * ctsim: Fixed core dump on Linux with OpenGL
183 * ctsim: Fixed context-sensitive help on Linux
185 * ctsim: Fixed About box on Linux
187 3.0.2 - Released 2/20/01
189 * scanner.cpp: Fixed bug when number of detectors was even.
191 * ctsim: Improved error handling when trying to convert
192 divergent projections into polar form.
194 3.0.1 - Released 2/19/01
196 * ctsim: Fixed dialog box for reconstruction so that
197 rotation angle setting will stay fixed in-between use
200 * syserror: Fixed display bug for trace messages
202 * ctsim: MSVC optimization bug work-around, compiler
205 3.0.0 - Released 2/19/01
207 * ctsim: Massive update/fix to online help and print manual.
209 * ctsim: Added context-sensitive help to dialog boxes
211 * ctsim: Reformated all dialog boxes, much nicer now.
213 * ctsim: Improved accelerator key handling
215 * global: Added Hanning filter.
217 * global: Improved default parameters to that all defaults give
220 3.0.0beta1 - Released 2/11/01
222 * ctsim: Added most-recently-used files to File menu with
223 registry storage between executions.
225 * ctsim: Hides arcane features unless enabled by Preferences dialog
227 * ctsim: Added MDI interface for Windows version and made it default for Windows.
229 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
231 * ctsim: Added graphical About box
233 * ctsim: Escape key now removes cursor lines from image file view
235 * ctsim: Added Revert to ImageFile menu
237 * ctsim: Added accelerator (hotkeys) to frames
239 * ctsim: Online help added!
241 * backprojector: Added cubic interpolation
243 * ctsim: Added icons to Frames on X-Window and MS Windows versions
245 * ctsim: Fixed tick-label placement for plots on projection and
246 reconstruction dialogs.
248 * timer.h: Add use of _ftime when compiling on MSVC
250 * global: Projection files are not compatible with previous version
251 due to new scanner definitions.
253 * global: deleted concept of field-of-view and added
254 view ratio and scan ratio concepts.
256 * ctsim: Fixed crash on shutdown bug
258 * pjinfo: Fixed bug when doing --dump and not specifing --endview
260 * phm2pj: Fixed MPI bug with broadcasting of variables
262 * ctsimtext-lam: Changes for first version to compile under lam
265 3.0.0alpha5 - Released 1/12/00
267 * ctsim: Added EZPlotDialog, used by debugging plots in
270 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
271 bug in parsing command-line parameters.
273 * views.cpp: Fixed bug in copying of labels from images to
276 * syserror.cpp: fixed reporting for fatal errors
278 * projections.cpp: fixed MSVC failure with std:: namespace
280 * procsignal.cpp: fixed bug in equiangular reconstructions
281 for frequency/inverse-fourier filtering
283 3.0.0alpha4 - Released 1/09/01
285 * ctsim: Added reset to full-intensity scale menu item
287 * ctsim: Add conversion of projections to polar plot [Thanks to
288 Ian Kay for reference and math hints in polar bilinear scaling]
290 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
293 * ctsim: imagefile labels are now copied to plotfiles
295 * ctsim: Added more analyze menuitems
297 * ctsimtext: First version. All command-line tools are now accessed
298 through this master shell. Has both command-line and interactive
301 * ctsim: Fixed initialization of min/max bug for PlotFiles
303 * ezplot: Cleaned up y-tick label placement
305 * sgp: Added better support for projection/reconstruction animation
307 3.0.0alpha3 - Released 1/02/01
309 * ctsim: Added plotting of histograms
311 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
313 * ezplot.cpp: adjusted xtick label displays for better placement
315 3.0alpha2 - Released 1/02/01
317 * ctsim: All functions of command-line tools are now in graphical ctsim
319 * ctsim: added generation of filter images
321 * ctsim: Added 2-image math functions (mul, add, div, sub)
323 * ctsim: Added export of imagefiles to graphic file formats
325 * ctsim: Added support for scaling imagefiles in new sizes
327 * ctsim: Added ability to save standard phantom definitions as
328 text files suitable for reading.
330 * ctsim: Add labels for image transformations and display of labels
331 when performing properties of images.
333 * processsignal.cpp: Fixed "off by one" bug in
334 shuffleNaturalToFourierOrder when n is even. Moved functions to
337 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
338 image math functions to complex-valued math.
340 * phantom.cpp: Added ability to save phantom files as ASCII text.
342 3.0alpha1 - Released 12/29/00
344 * Added PlotFile class to system, used by if2 and ctsim for row
345 and column plots and comparison plots
347 * ctsim: Added image comparison statistics and image subtraction
349 * ctsim: Added plotting of rows & columns with y-axis scaling
351 * ctsim: Added row and column plot comparisons between two image
354 * ctsim: Added "Process" menu to image file display with math
355 functions. Added 2-dimensional inverse Fourier to math
356 functions. Added support for complex (real/imaginary) images.
358 * mathfuncs.cpp: Reworked statistics algorithm to share between
359 imagefile and plotfile classes.
361 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
362 nsamples > 2. Added generic mage math functions, moved from
363 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
366 * array2dfile.cpp: Added code to support complex (real/imaginary)
369 * if1: Updated to handle error conditions, such as sqrt of a
370 negative number. Converted to use new ImageFile math functions.
372 * if2: Updated to output plot files and use new ImageFile class
375 * if1: Updated to use new ImageFile class math functions
377 * ezplot: Reworked to better store colors/linestyles/symbols with
378 individual curves. Improved display of labels and ticks. Updated
379 to use POL class member variable. Updated to more C++ conventions.
381 * pol: converted to C++ class. Extracted HashTable to separate
384 * sgp: Added linestyle settings
387 First Microsoft Windows GUI version
388 Modifications for Microsoft Visual C++ compilation.
389 Improved pjinfo to output binary headers and view data, useful
390 when manually compiling phantoms that vary during projection
391 process. Thanks to Ian Kay for idea and code submission.
392 Improved sorting to find median in ImageFile::statistics
393 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
394 Changed reconstruction dialog to fix onto smaller screens
395 Fixed display of plotting in Projection views
396 Improved animation displays for Projections and Reconstructions
397 Changed code to explicitly use std:: namespace rather than
398 "namespace using std" statements
399 Fixed reconstruction scaling bug introduced in 2.0.6
400 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
403 Fixed minor compilation problem with procsignal.h
405 Fixed bug when simulating projections and Trace == CONSOLE
406 Fixed scaling bug when performing redundant rotations around object
409 Improved compilation on RedHat 7
410 Changed some of ANSI C header files to C++ header files
411 Removed README.RedHat7
414 Added documentation for --geometry setting
415 Added README.RedHat7 document
418 Fixed bug in generation of binary PGM files
419 Fixed MPI compilation bug in phm2pj.cpp
420 Inverted y-axis output for pj2if (bug alert from Ian Kay)
423 Additions to man pages (Ian Kay)
424 Fix problem with reading of ASCII phantom files (Ian Kay)
427 Fixed syntax error in fftw configuration
428 Slight modifications to support gcc v2.9.6
431 Version 2.0.0 released!
432 ctsim: Added Window menu to Main frame
433 ctsim: Disabled not support reconstruction method
434 Fixed obscure bug in sys_error
435 Fixed compilation in mingw environment not present
436 Fixed compilation in non-graphical environments
439 ctsim: Added animation of reconstruction
440 ctsim: Added saving of dialog parameters for Projection & Reconstruction
441 ctsim: Added progress dialog for rasterization of phantom
442 ctsim: used setpriority to set lower priority
443 ctsim: fixed pReconstruct not being deleted causing scaling problem
444 ctsim: fixed projection animation dialog buttons
447 ctsim: Added projection graph to animation of projection collection
448 ctsim: Added single stepping to projection collection animation
449 ctsim: improved File/Properties display for projection files
450 ctsim: Added progress dialog for reconstructions
451 ctsim: Added file labels for projection and reconstruction images
452 ctsim: Made File/Properties bring up modal dialogs
453 Added reconstruction for Equilinear and Equiangular geometries
454 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
455 Separated reconstruction into Reconstructor class
456 Fixed center of detector adjustment for even number of detectors
457 Added --enable-static to generate statically linked programs
460 ctsim: Added animation of projection collection processs
461 ctsim: Added Auto Scaling for image windows
462 ctsim: Change menus from "windowing" to "display scaling"
463 Added FieldOfView and FocalLength ratio parameters to projection collection
464 Added FocalLength & FieldOfView fields to projection data files
465 Added Projection collection for Equilinear and Equiangular geometries
466 Changed name of Rowland Phantom to correct name of Shepp-Logan
467 Fixed bug in backprojection selection
470 Added RCS Id strings to executable files
471 Added RPM Spec file for RPM package creation
472 Added loading of ASCII phanthom definitions from files
473 Fixed compilation for non-SGP architectures
474 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
475 Added Filter-Generation option to reconstruction to allow direct or
476 inverse_fourier construction of filters
477 Added median to statistics and to auto-windowing
480 Added line color support to SGP
484 Finished support for dmallocxx library
485 Fixed bug in SignalFilter::convertFilterMethodNameToID()
486 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
487 G2 windows and well as WXWindows.
488 ctsim program: "Create Phantom" now shows phantom object
489 Fixed row-plot bug in if-2
490 Reworked EZPlot's multiple plot operation
493 ctsim program: improved initial size and scroll area for image
495 ctsim program: added rasterization parameters, projections parameters,
496 and reconstruction parameters dialogs
497 Moved char[] static definition from header files to c++ files
498 Completely reorganized option processing in classes to improve
499 expandability and to assist ctsim graphical user interface.
502 ctsim program: Added dialog to set minimum/maximum display levels
503 Started ctsim.tex document file
506 Fixed compiler warnings at -Wall level
507 Began work on CTSim program to be graphical front-end of all functions
508 Moved current src/*.cpp to tools/*.cpp
509 Made CTSim graphical front-end's home to be src/
512 Added highly optimized backprojection method idiff3
513 Moved comparative stats to if-2 program from ifinfo
514 Fixed image display in if2img using G2 library
515 Added column-plot and row-plot options to if-2
516 Added autoselection of analytic/calculated spatial responses to SignalFilter
517 Added frequency-based preinterpolation to SignalFilter and idiff3
518 backprojection method. Currently, this technique is still under
519 development and debugging
520 Moved graphic file writing to ImageFile class from if2img program
523 Cleaned up SignalFilter class
524 Added zeropad option to pjrec
525 Added zeropad options to html and cgi files
526 Added fourier_table and rfttw filter methods
527 Added FFTW routines to use real/half-complex transformations
530 Updated trace level processing
531 Added trace level to SignalFilter
532 Fixed magnitude vs. real output bug in FFT/Fourier filter
535 Fixed const issue with ImageFileArray
536 Fixed Array2dFile::labelsCopy()
537 Added copy constructor and assignment for Array2dFileLabel class
538 Added Timer to if-2.cpp and ifinfo.cpp
539 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
540 Added option processing for filter-method for pjrec to choose
541 between convolution, dft, & fft filtering
542 Fixed format string for EZPlot so axis labels now print
543 Added support for FFTW library
546 Rewrote Array2dFile class to be non-templated
547 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
548 Rewrote Array2dFileLabel class to make members private, added access routines
549 Removed timedate.cpp in favor of standard C library time/date functions
550 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
551 Added signature tag and creation date/time to projection files
554 Standardized string option processing by classes. All classes use character strings
555 to select options rather than numeric constants. Added fail() and failMessage()
556 methods to verify that objects are created correctly by character strings.
557 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
558 Rewrote ImageFile class
559 Started support for dmallocxx library, not finished
560 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
561 Updated ifinfo to show comparative statistics
562 Added printLabels() to Array2dFile class
563 Added printStatistics() to ImageFile class
566 Moved conversion filter name/id to Filter class
567 Moved conversion backprojection name/id to Backproj class
568 Added MPI broadcasting of strings
571 Merged proj_reconstr into class Projections
572 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
573 Code cleanup in projections.cpp
574 Moved conversion of phantom names/id to Phantom class
577 Converted projection files to C++ library with frnetorderstream
578 Converted image files to C++ library with frnetorderstream
579 Converted filter and convolution to object-oriented code
580 Changed default image file to float from double -- Changable in imagefile.h
581 Optimized image file writing on little-endian architectures
582 Updated README and INSTALL
585 Reorganized source files
586 MPI bug fixed to phm2pj.cpp
589 Reorganized include files
590 Fixed const pointers in strfuncs
593 Renamed directories, moved source files, combined source files
594 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
598 Skip versions to make version 2.0 the first fully C++ version
599 Renamed Raysums to Projections throughout files
600 Renamed Detector to Scanner
601 Converted Scanner and Projecions to full object-oriented
604 Converted Phantom and PhantomElements to Object-Oriented
605 Converted Detector to Object-Oriented
608 Improved Integer backprojection method
609 Fixed nearest neighbor to be truly nearest neighbor
610 Made linear interpolation more integer arithmetic -> speed improvement
611 Finished converting all C files to C++
612 Converted all use of malloc/free to C++ new/delete
613 Began object-oriented conversion of Phantom and Projection structures
616 Converted MPI data structures to C++ object
617 Made ImageFile directly inherit from Array2dFile
620 First C++ conversions
621 Portable IF (image file) format implemented with objects (SDF removed)
622 - Now all data files are cross-platform compatible
623 Converted from MPI to MPI++
624 Converted backprojection to object-oriented
625 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
628 Simpilifed endian handling
631 Added support for 64-bit (IA64) CPU
632 Removed broken B-spline interpolation
633 Added support for cygwin platform under Windows 2000
634 Added support for 16-bit PNG graphics
637 Added compile-time configuration of endian order
640 Modified the raysum file format to be platform independent
643 Added Microsoft VC compatibility
644 Cleaned up compilation warnings in libgraph
647 Continued conversion to ANSI C
648 Removed old CRT routines
651 Renamed pictures to phantoms, objects to phantom elements
652 Continued code cleanup
655 More code cleanup with reorganizing libraries
656 Added --log and --exp to sdf-1
657 Allowed negative numbers for window levels in CGI interface
660 Continued code cleanup
664 Better documented, coded raysum in-memory on on-disk options
667 Cleaned out library that wasn't being used by CTSim
668 Modified ctsim.cgi to read in configuration file ctsim.conf
671 First open source distribution for GNU/Linux
674 Converted to GNU/Linux
675 added MPI support via LAM library
678 Developed under MS-DOS and IBM EGA graphics