1 Aug 2, 2009 Version 5.0.4
2 * More wx2.8 compatibility fixes. Ensure that a resize of a window
3 causes a full repaint for phantom, plot, and graph3d canvases.
5 Aug 1, 2009 Version 5.0.1
6 * missing: Update to latest automake version
7 * configure: make compatible with wxMac
8 * update few source files for non-unicode wxWidgets 2.8 compatibility
10 Aug 1, 2009 Version 5.0.0
11 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
12 Currently, code compiles without warnings, but there are
13 GUI visual problems at the momemt running with wx2.8
15 Sep 17, 2007 Version 4.5.5
16 * better cleaning in makefiles
17 * use "const char" variables for string literals
19 Sep 10, 2007 Version 4.5.4
20 * configure.ac: Fix builds with multiple versions of wx-config
21 -- thanks to Steve White
23 Apr 1, 2007 Version 4.5.3
24 * include/timer.h: Fix building on GCC 4.3
25 -- thanks to Martin Michlmayr
27 Oct 19, 2006 Version 4.5.2
28 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
29 -- thanks to Sven Huth
31 Oct 18, 2006 Version 4.5.1
32 * configure: rebuild from configure.ac
34 Oct 15, 2006 Version 4.5.0
35 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
36 and simply computing rotScale -- thanks to Dan Martin.
38 Mar 16, 2006 Version 4.4.4
39 * Changes for g++ 4.1 support
41 Aug 22, 2005 Version 4.4.2
42 * New URL for downloading CTSim
44 Aug 22, 2005 Version 4.4.1
45 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
47 Aug 22, 2005 Version 4.4.0
48 * Changes in configure.ac for X.org compatibility with Debian Etch
49 and FC4. May not be backward compatibility with XFree86.
51 Aug 10, 2004 Version 4.3.2, Version 4.3.3
52 * Minor changes in man pages to fix groff warnings
54 Nov 1, 2003 Version 4.3.1
55 * Add support for SuSE AMD64
57 Oct 5, 2003 Version 4.3.0
58 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
59 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
61 Oct 3, 2003 Version 4.2.7
62 * Add support for building on RedHat AMD64
64 Sep 30, 2003 Version 4.2.7
65 * Fix minor issue with floating point difference backprojection, add
68 * Fix building with newest versions of automake 1.7
70 * Add support for 8-byte longs [for example, Athlon64] in
71 integer difference backprojection allowing for 64-bit integer
74 Mar 22, 2003 Version 4.2.3
76 * Added Fourier reconstruction method
78 * Support gcc 3.2, wxWindows 2.4, and MacOS X
80 * Fix polar interpolation
82 Jun 26, 2002 Version 3.5.6
84 * Fix minor color PNG image importing bug
86 * Bug fix for building on Debian alpha platform
88 * Fix g++ compilation warnings
90 Jun 13, 2002 Version 3.5.5
92 * Fix printing of version number
96 * Updated Win32 compatibility
98 Jun 8, 2002 Version 3.5.4
100 * Print version number in log window with About command
102 * Fix problem with captions not showing on some windows. Reworked
103 creation of new windows.
105 * Disabled status bar on 3d views
107 * Fix bug in configure.ac that prevented using compiler
110 * Updated About splash screen
112 May 29, 2002 Version 3.5.3
113 * Added support for g++ 3.04 compiler
115 May 8, 2002 Version 3.5.2
116 * configure: improved CTN (DICOM) installation search
117 * src/ctsim.cpp: Fixed initial image size with import command
119 May 5, 2002 Version 3.5.1
123 * ctsim: Added tips to be displayed at startup and via the help menu.
124 * ctsim: Added center-detector concept. Allow for detector array
125 to be any arbitrary distance from center of scanner. As a result,
126 projection files are not incompatible with previous version of
128 * ctsim: Added threaded tasks and background manager for
129 background processing as well as taking advantage of multiple-CPU's
130 on SMP systems. (Microsoft Windows only)
131 * ctsim: Added plot t-theta sampling to projection file menu.
132 * ctsim: Added Reconstruction with Rebinning for faster
133 divergent beam reconstructions.
134 * ctsim: Added import and export of DICOM image files.
135 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
136 * ctsim: Added FFT/IFFT of columns of image files.
137 * ctsim: Added clipboard cut/copy/paste for image files.
138 * ctsim: Added region of interest to reconstructions.
139 * ctsim: Added Convert Rectangular Image to Projection files
140 * ctsim: Added "Verbose Logging", "Startup Tips", and
141 "Background processes" options to Preferences dialog.
142 * ctsim: Added plotting of projection file histograms.
143 * plotfile: Added scattergram plot functions
144 * ctsim: Added accelerator key for File-Properties
145 * ctsim: Improved wireframe 3-d display to remove hidden
147 * backprojectors.cpp: Added setting of axis extent and increment
149 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
150 projection data files.
154 * views.cpp: reduced calls to progress bar update, significant speedup
155 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
156 not being displayed on Unix platforms.
157 * views.cpp: Added out-of-memory checks to display for huge
158 image and projection files.
159 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
160 * imagefile.cpp: Fixed scaling factor in fftRows
161 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
163 * sgp.cpp: Fixed bug in drawCircle.
164 * distribution: fixed problem with documentation files not
165 being included with the distribution (Reported by Ian Kay).
166 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
167 * fixed ctsimtext shell when giving no parameters to function-name
168 * phm2if, phm2pj: Updated help messages for renamed phantoms
170 3.0.3 - Released 2/20/01
172 * ctsim: Fixed core dump on Linux with OpenGL
174 * ctsim: Fixed context-sensitive help on Linux
176 * ctsim: Fixed About box on Linux
178 3.0.2 - Released 2/20/01
180 * scanner.cpp: Fixed bug when number of detectors was even.
182 * ctsim: Improved error handling when trying to convert
183 divergent projections into polar form.
185 3.0.1 - Released 2/19/01
187 * ctsim: Fixed dialog box for reconstruction so that
188 rotation angle setting will stay fixed in-between use
191 * syserror: Fixed display bug for trace messages
193 * ctsim: MSVC optimization bug work-around, compiler
196 3.0.0 - Released 2/19/01
198 * ctsim: Massive update/fix to online help and print manual.
200 * ctsim: Added context-sensitive help to dialog boxes
202 * ctsim: Reformated all dialog boxes, much nicer now.
204 * ctsim: Improved accelerator key handling
206 * global: Added Hanning filter.
208 * global: Improved default parameters to that all defaults give
211 3.0.0beta1 - Released 2/11/01
213 * ctsim: Added most-recently-used files to File menu with
214 registry storage between executions.
216 * ctsim: Hides arcane features unless enabled by Preferences dialog
218 * ctsim: Added MDI interface for Windows version and made it default for Windows.
220 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
222 * ctsim: Added graphical About box
224 * ctsim: Escape key now removes cursor lines from image file view
226 * ctsim: Added Revert to ImageFile menu
228 * ctsim: Added accelerator (hotkeys) to frames
230 * ctsim: Online help added!
232 * backprojector: Added cubic interpolation
234 * ctsim: Added icons to Frames on X-Window and MS Windows versions
236 * ctsim: Fixed tick-label placement for plots on projection and
237 reconstruction dialogs.
239 * timer.h: Add use of _ftime when compiling on MSVC
241 * global: Projection files are not compatible with previous version
242 due to new scanner definitions.
244 * global: deleted concept of field-of-view and added
245 view ratio and scan ratio concepts.
247 * ctsim: Fixed crash on shutdown bug
249 * pjinfo: Fixed bug when doing --dump and not specifing --endview
251 * phm2pj: Fixed MPI bug with broadcasting of variables
253 * ctsimtext-lam: Changes for first version to compile under lam
256 3.0.0alpha5 - Released 1/12/00
258 * ctsim: Added EZPlotDialog, used by debugging plots in
261 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
262 bug in parsing command-line parameters.
264 * views.cpp: Fixed bug in copying of labels from images to
267 * syserror.cpp: fixed reporting for fatal errors
269 * projections.cpp: fixed MSVC failure with std:: namespace
271 * procsignal.cpp: fixed bug in equiangular reconstructions
272 for frequency/inverse-fourier filtering
274 3.0.0alpha4 - Released 1/09/01
276 * ctsim: Added reset to full-intensity scale menu item
278 * ctsim: Add conversion of projections to polar plot [Thanks to
279 Ian Kay for reference and math hints in polar bilinear scaling]
281 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
284 * ctsim: imagefile labels are now copied to plotfiles
286 * ctsim: Added more analyze menuitems
288 * ctsimtext: First version. All command-line tools are now accessed
289 through this master shell. Has both command-line and interactive
292 * ctsim: Fixed initialization of min/max bug for PlotFiles
294 * ezplot: Cleaned up y-tick label placement
296 * sgp: Added better support for projection/reconstruction animation
298 3.0.0alpha3 - Released 1/02/01
300 * ctsim: Added plotting of histograms
302 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
304 * ezplot.cpp: adjusted xtick label displays for better placement
306 3.0alpha2 - Released 1/02/01
308 * ctsim: All functions of command-line tools are now in graphical ctsim
310 * ctsim: added generation of filter images
312 * ctsim: Added 2-image math functions (mul, add, div, sub)
314 * ctsim: Added export of imagefiles to graphic file formats
316 * ctsim: Added support for scaling imagefiles in new sizes
318 * ctsim: Added ability to save standard phantom definitions as
319 text files suitable for reading.
321 * ctsim: Add labels for image transformations and display of labels
322 when performing properties of images.
324 * processsignal.cpp: Fixed "off by one" bug in
325 shuffleNaturalToFourierOrder when n is even. Moved functions to
328 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
329 image math functions to complex-valued math.
331 * phantom.cpp: Added ability to save phantom files as ASCII text.
333 3.0alpha1 - Released 12/29/00
335 * Added PlotFile class to system, used by if2 and ctsim for row
336 and column plots and comparison plots
338 * ctsim: Added image comparison statistics and image subtraction
340 * ctsim: Added plotting of rows & columns with y-axis scaling
342 * ctsim: Added row and column plot comparisons between two image
345 * ctsim: Added "Process" menu to image file display with math
346 functions. Added 2-dimensional inverse Fourier to math
347 functions. Added support for complex (real/imaginary) images.
349 * mathfuncs.cpp: Reworked statistics algorithm to share between
350 imagefile and plotfile classes.
352 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
353 nsamples > 2. Added generic mage math functions, moved from
354 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
357 * array2dfile.cpp: Added code to support complex (real/imaginary)
360 * if1: Updated to handle error conditions, such as sqrt of a
361 negative number. Converted to use new ImageFile math functions.
363 * if2: Updated to output plot files and use new ImageFile class
366 * if1: Updated to use new ImageFile class math functions
368 * ezplot: Reworked to better store colors/linestyles/symbols with
369 individual curves. Improved display of labels and ticks. Updated
370 to use POL class member variable. Updated to more C++ conventions.
372 * pol: converted to C++ class. Extracted HashTable to separate
375 * sgp: Added linestyle settings
378 First Microsoft Windows GUI version
379 Modifications for Microsoft Visual C++ compilation.
380 Improved pjinfo to output binary headers and view data, useful
381 when manually compiling phantoms that vary during projection
382 process. Thanks to Ian Kay for idea and code submission.
383 Improved sorting to find median in ImageFile::statistics
384 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
385 Changed reconstruction dialog to fix onto smaller screens
386 Fixed display of plotting in Projection views
387 Improved animation displays for Projections and Reconstructions
388 Changed code to explicitly use std:: namespace rather than
389 "namespace using std" statements
390 Fixed reconstruction scaling bug introduced in 2.0.6
391 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
394 Fixed minor compilation problem with procsignal.h
396 Fixed bug when simulating projections and Trace == CONSOLE
397 Fixed scaling bug when performing redundant rotations around object
400 Improved compilation on RedHat 7
401 Changed some of ANSI C header files to C++ header files
402 Removed README.RedHat7
405 Added documentation for --geometry setting
406 Added README.RedHat7 document
409 Fixed bug in generation of binary PGM files
410 Fixed MPI compilation bug in phm2pj.cpp
411 Inverted y-axis output for pj2if (bug alert from Ian Kay)
414 Additions to man pages (Ian Kay)
415 Fix problem with reading of ASCII phantom files (Ian Kay)
418 Fixed syntax error in fftw configuration
419 Slight modifications to support gcc v2.9.6
422 Version 2.0.0 released!
423 ctsim: Added Window menu to Main frame
424 ctsim: Disabled not support reconstruction method
425 Fixed obscure bug in sys_error
426 Fixed compilation in mingw environment not present
427 Fixed compilation in non-graphical environments
430 ctsim: Added animation of reconstruction
431 ctsim: Added saving of dialog parameters for Projection & Reconstruction
432 ctsim: Added progress dialog for rasterization of phantom
433 ctsim: used setpriority to set lower priority
434 ctsim: fixed pReconstruct not being deleted causing scaling problem
435 ctsim: fixed projection animation dialog buttons
438 ctsim: Added projection graph to animation of projection collection
439 ctsim: Added single stepping to projection collection animation
440 ctsim: improved File/Properties display for projection files
441 ctsim: Added progress dialog for reconstructions
442 ctsim: Added file labels for projection and reconstruction images
443 ctsim: Made File/Properties bring up modal dialogs
444 Added reconstruction for Equilinear and Equiangular geometries
445 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
446 Separated reconstruction into Reconstructor class
447 Fixed center of detector adjustment for even number of detectors
448 Added --enable-static to generate statically linked programs
451 ctsim: Added animation of projection collection processs
452 ctsim: Added Auto Scaling for image windows
453 ctsim: Change menus from "windowing" to "display scaling"
454 Added FieldOfView and FocalLength ratio parameters to projection collection
455 Added FocalLength & FieldOfView fields to projection data files
456 Added Projection collection for Equilinear and Equiangular geometries
457 Changed name of Rowland Phantom to correct name of Shepp-Logan
458 Fixed bug in backprojection selection
461 Added RCS Id strings to executable files
462 Added RPM Spec file for RPM package creation
463 Added loading of ASCII phanthom definitions from files
464 Fixed compilation for non-SGP architectures
465 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
466 Added Filter-Generation option to reconstruction to allow direct or
467 inverse_fourier construction of filters
468 Added median to statistics and to auto-windowing
471 Added line color support to SGP
475 Finished support for dmallocxx library
476 Fixed bug in SignalFilter::convertFilterMethodNameToID()
477 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
478 G2 windows and well as WXWindows.
479 ctsim program: "Create Phantom" now shows phantom object
480 Fixed row-plot bug in if-2
481 Reworked EZPlot's multiple plot operation
484 ctsim program: improved initial size and scroll area for image
486 ctsim program: added rasterization parameters, projections parameters,
487 and reconstruction parameters dialogs
488 Moved char[] static definition from header files to c++ files
489 Completely reorganized option processing in classes to improve
490 expandability and to assist ctsim graphical user interface.
493 ctsim program: Added dialog to set minimum/maximum display levels
494 Started ctsim.tex document file
497 Fixed compiler warnings at -Wall level
498 Began work on CTSim program to be graphical front-end of all functions
499 Moved current src/*.cpp to tools/*.cpp
500 Made CTSim graphical front-end's home to be src/
503 Added highly optimized backprojection method idiff3
504 Moved comparative stats to if-2 program from ifinfo
505 Fixed image display in if2img using G2 library
506 Added column-plot and row-plot options to if-2
507 Added autoselection of analytic/calculated spatial responses to SignalFilter
508 Added frequency-based preinterpolation to SignalFilter and idiff3
509 backprojection method. Currently, this technique is still under
510 development and debugging
511 Moved graphic file writing to ImageFile class from if2img program
514 Cleaned up SignalFilter class
515 Added zeropad option to pjrec
516 Added zeropad options to html and cgi files
517 Added fourier_table and rfttw filter methods
518 Added FFTW routines to use real/half-complex transformations
521 Updated trace level processing
522 Added trace level to SignalFilter
523 Fixed magnitude vs. real output bug in FFT/Fourier filter
526 Fixed const issue with ImageFileArray
527 Fixed Array2dFile::labelsCopy()
528 Added copy constructor and assignment for Array2dFileLabel class
529 Added Timer to if-2.cpp and ifinfo.cpp
530 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
531 Added option processing for filter-method for pjrec to choose
532 between convolution, dft, & fft filtering
533 Fixed format string for EZPlot so axis labels now print
534 Added support for FFTW library
537 Rewrote Array2dFile class to be non-templated
538 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
539 Rewrote Array2dFileLabel class to make members private, added access routines
540 Removed timedate.cpp in favor of standard C library time/date functions
541 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
542 Added signature tag and creation date/time to projection files
545 Standardized string option processing by classes. All classes use character strings
546 to select options rather than numeric constants. Added fail() and failMessage()
547 methods to verify that objects are created correctly by character strings.
548 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
549 Rewrote ImageFile class
550 Started support for dmallocxx library, not finished
551 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
552 Updated ifinfo to show comparative statistics
553 Added printLabels() to Array2dFile class
554 Added printStatistics() to ImageFile class
557 Moved conversion filter name/id to Filter class
558 Moved conversion backprojection name/id to Backproj class
559 Added MPI broadcasting of strings
562 Merged proj_reconstr into class Projections
563 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
564 Code cleanup in projections.cpp
565 Moved conversion of phantom names/id to Phantom class
568 Converted projection files to C++ library with frnetorderstream
569 Converted image files to C++ library with frnetorderstream
570 Converted filter and convolution to object-oriented code
571 Changed default image file to float from double -- Changable in imagefile.h
572 Optimized image file writing on little-endian architectures
573 Updated README and INSTALL
576 Reorganized source files
577 MPI bug fixed to phm2pj.cpp
580 Reorganized include files
581 Fixed const pointers in strfuncs
584 Renamed directories, moved source files, combined source files
585 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
589 Skip versions to make version 2.0 the first fully C++ version
590 Renamed Raysums to Projections throughout files
591 Renamed Detector to Scanner
592 Converted Scanner and Projecions to full object-oriented
595 Converted Phantom and PhantomElements to Object-Oriented
596 Converted Detector to Object-Oriented
599 Improved Integer backprojection method
600 Fixed nearest neighbor to be truly nearest neighbor
601 Made linear interpolation more integer arithmetic -> speed improvement
602 Finished converting all C files to C++
603 Converted all use of malloc/free to C++ new/delete
604 Began object-oriented conversion of Phantom and Projection structures
607 Converted MPI data structures to C++ object
608 Made ImageFile directly inherit from Array2dFile
611 First C++ conversions
612 Portable IF (image file) format implemented with objects (SDF removed)
613 - Now all data files are cross-platform compatible
614 Converted from MPI to MPI++
615 Converted backprojection to object-oriented
616 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
619 Simpilifed endian handling
622 Added support for 64-bit (IA64) CPU
623 Removed broken B-spline interpolation
624 Added support for cygwin platform under Windows 2000
625 Added support for 16-bit PNG graphics
628 Added compile-time configuration of endian order
631 Modified the raysum file format to be platform independent
634 Added Microsoft VC compatibility
635 Cleaned up compilation warnings in libgraph
638 Continued conversion to ANSI C
639 Removed old CRT routines
642 Renamed pictures to phantoms, objects to phantom elements
643 Continued code cleanup
646 More code cleanup with reorganizing libraries
647 Added --log and --exp to sdf-1
648 Allowed negative numbers for window levels in CGI interface
651 Continued code cleanup
655 Better documented, coded raysum in-memory on on-disk options
658 Cleaned out library that wasn't being used by CTSim
659 Modified ctsim.cgi to read in configuration file ctsim.conf
662 First open source distribution for GNU/Linux
665 Converted to GNU/Linux
666 added MPI support via LAM library
669 Developed under MS-DOS and IBM EGA graphics