1 Aug 20, 2009 Version 5.1.1
2 * Use new wxFont constructor. Adjust font sizes.
4 Aug 12, 2009 Version 5.1.0
5 * All known wxwidgets 2.8 compatibility issues have been fixed
7 Aug 6, 2009 Version 5.0.6
8 * Use wxWidgets command-line processing rather than existing
10 * ezset.cpp: Initialize scale settings in constructor
11 * Improve titles of frames
12 * configure.ac: Use wx-config to determine name of wxGL library
13 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
14 segv crash when creating 3D objects
16 Aug 3, 2009 Version 5.0.5
17 * Fix plots when maximum plot value is the same as minimum
19 Aug 3, 2009 Version 5.0.5
20 * More wx2.8 compatibility fixes.
21 * Fix initial size of Log TextCtrl at start-up.
22 * Fix display of values in Log window by cleaning up string
25 Aug 2, 2009 Version 5.0.4
26 * More wx2.8 compatibility fixes. Ensure that a resize of a window
27 causes a full repaint for phantom, plot, and graph3d canvases.
29 Aug 1, 2009 Version 5.0.1
30 * missing: Update to latest automake version
31 * configure: make compatible with wxMac
32 * update few source files for non-unicode wxWidgets 2.8 compatibility
34 Aug 1, 2009 Version 5.0.0
35 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
36 Currently, code compiles without warnings, but there are
37 GUI visual problems at the momemt running with wx2.8
39 Sep 17, 2007 Version 4.5.5
40 * better cleaning in makefiles
41 * use "const char" variables for string literals
43 Sep 10, 2007 Version 4.5.4
44 * configure.ac: Fix builds with multiple versions of wx-config
45 -- thanks to Steve White
47 Apr 1, 2007 Version 4.5.3
48 * include/timer.h: Fix building on GCC 4.3
49 -- thanks to Martin Michlmayr
51 Oct 19, 2006 Version 4.5.2
52 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
53 -- thanks to Sven Huth
55 Oct 18, 2006 Version 4.5.1
56 * configure: rebuild from configure.ac
58 Oct 15, 2006 Version 4.5.0
59 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
60 and simply computing rotScale -- thanks to Dan Martin.
62 Mar 16, 2006 Version 4.4.4
63 * Changes for g++ 4.1 support
65 Aug 22, 2005 Version 4.4.2
66 * New URL for downloading CTSim
68 Aug 22, 2005 Version 4.4.1
69 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
71 Aug 22, 2005 Version 4.4.0
72 * Changes in configure.ac for X.org compatibility with Debian Etch
73 and FC4. May not be backward compatibility with XFree86.
75 Aug 10, 2004 Version 4.3.2, Version 4.3.3
76 * Minor changes in man pages to fix groff warnings
78 Nov 1, 2003 Version 4.3.1
79 * Add support for SuSE AMD64
81 Oct 5, 2003 Version 4.3.0
82 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
84 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
87 Oct 3, 2003 Version 4.2.7
88 * Add support for building on RedHat AMD64
90 Sep 30, 2003 Version 4.2.7
91 * Fix minor issue with floating point difference backprojection, add
94 * Fix building with newest versions of automake 1.7
96 * Add support for 8-byte longs [for example, Athlon64] in
97 integer difference backprojection allowing for 64-bit integer
100 Mar 22, 2003 Version 4.2.3
102 * Added Fourier reconstruction method
104 * Support gcc 3.2, wxWindows 2.4, and MacOS X
106 * Fix polar interpolation
108 Jun 26, 2002 Version 3.5.6
110 * Fix minor color PNG image importing bug
112 * Bug fix for building on Debian alpha platform
114 * Fix g++ compilation warnings
116 Jun 13, 2002 Version 3.5.5
118 * Fix printing of version number
122 * Updated Win32 compatibility
124 Jun 8, 2002 Version 3.5.4
126 * Print version number in log window with About command
128 * Fix problem with captions not showing on some windows. Reworked
129 creation of new windows.
131 * Disabled status bar on 3d views
133 * Fix bug in configure.ac that prevented using compiler
136 * Updated About splash screen
138 May 29, 2002 Version 3.5.3
139 * Added support for g++ 3.04 compiler
141 May 8, 2002 Version 3.5.2
142 * configure: improved CTN (DICOM) installation search
143 * src/ctsim.cpp: Fixed initial image size with import command
145 May 5, 2002 Version 3.5.1
149 * ctsim: Added tips to be displayed at startup and via the help menu.
150 * ctsim: Added center-detector concept. Allow for detector array
151 to be any arbitrary distance from center of scanner. As a result,
152 projection files are not incompatible with previous version of
154 * ctsim: Added threaded tasks and background manager for
155 background processing as well as taking advantage of multiple-CPU's
156 on SMP systems. (Microsoft Windows only)
157 * ctsim: Added plot t-theta sampling to projection file menu.
158 * ctsim: Added Reconstruction with Rebinning for faster
159 divergent beam reconstructions.
160 * ctsim: Added import and export of DICOM image files.
161 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
162 * ctsim: Added FFT/IFFT of columns of image files.
163 * ctsim: Added clipboard cut/copy/paste for image files.
164 * ctsim: Added region of interest to reconstructions.
165 * ctsim: Added Convert Rectangular Image to Projection files
166 * ctsim: Added "Verbose Logging", "Startup Tips", and
167 "Background processes" options to Preferences dialog.
168 * ctsim: Added plotting of projection file histograms.
169 * plotfile: Added scattergram plot functions
170 * ctsim: Added accelerator key for File-Properties
171 * ctsim: Improved wireframe 3-d display to remove hidden
173 * backprojectors.cpp: Added setting of axis extent and increment
175 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
176 projection data files.
180 * views.cpp: reduced calls to progress bar update, significant speedup
181 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
182 not being displayed on Unix platforms.
183 * views.cpp: Added out-of-memory checks to display for huge
184 image and projection files.
185 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
186 * imagefile.cpp: Fixed scaling factor in fftRows
187 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
189 * sgp.cpp: Fixed bug in drawCircle.
190 * distribution: fixed problem with documentation files not
191 being included with the distribution (Reported by Ian Kay).
192 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
193 * fixed ctsimtext shell when giving no parameters to function-name
194 * phm2if, phm2pj: Updated help messages for renamed phantoms
196 3.0.3 - Released 2/20/01
198 * ctsim: Fixed core dump on Linux with OpenGL
200 * ctsim: Fixed context-sensitive help on Linux
202 * ctsim: Fixed About box on Linux
204 3.0.2 - Released 2/20/01
206 * scanner.cpp: Fixed bug when number of detectors was even.
208 * ctsim: Improved error handling when trying to convert
209 divergent projections into polar form.
211 3.0.1 - Released 2/19/01
213 * ctsim: Fixed dialog box for reconstruction so that
214 rotation angle setting will stay fixed in-between use
217 * syserror: Fixed display bug for trace messages
219 * ctsim: MSVC optimization bug work-around, compiler
222 3.0.0 - Released 2/19/01
224 * ctsim: Massive update/fix to online help and print manual.
226 * ctsim: Added context-sensitive help to dialog boxes
228 * ctsim: Reformated all dialog boxes, much nicer now.
230 * ctsim: Improved accelerator key handling
232 * global: Added Hanning filter.
234 * global: Improved default parameters to that all defaults give
237 3.0.0beta1 - Released 2/11/01
239 * ctsim: Added most-recently-used files to File menu with
240 registry storage between executions.
242 * ctsim: Hides arcane features unless enabled by Preferences dialog
244 * ctsim: Added MDI interface for Windows version and made it default for Windows.
246 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
248 * ctsim: Added graphical About box
250 * ctsim: Escape key now removes cursor lines from image file view
252 * ctsim: Added Revert to ImageFile menu
254 * ctsim: Added accelerator (hotkeys) to frames
256 * ctsim: Online help added!
258 * backprojector: Added cubic interpolation
260 * ctsim: Added icons to Frames on X-Window and MS Windows versions
262 * ctsim: Fixed tick-label placement for plots on projection and
263 reconstruction dialogs.
265 * timer.h: Add use of _ftime when compiling on MSVC
267 * global: Projection files are not compatible with previous version
268 due to new scanner definitions.
270 * global: deleted concept of field-of-view and added
271 view ratio and scan ratio concepts.
273 * ctsim: Fixed crash on shutdown bug
275 * pjinfo: Fixed bug when doing --dump and not specifing --endview
277 * phm2pj: Fixed MPI bug with broadcasting of variables
279 * ctsimtext-lam: Changes for first version to compile under lam
282 3.0.0alpha5 - Released 1/12/00
284 * ctsim: Added EZPlotDialog, used by debugging plots in
287 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
288 bug in parsing command-line parameters.
290 * views.cpp: Fixed bug in copying of labels from images to
293 * syserror.cpp: fixed reporting for fatal errors
295 * projections.cpp: fixed MSVC failure with std:: namespace
297 * procsignal.cpp: fixed bug in equiangular reconstructions
298 for frequency/inverse-fourier filtering
300 3.0.0alpha4 - Released 1/09/01
302 * ctsim: Added reset to full-intensity scale menu item
304 * ctsim: Add conversion of projections to polar plot [Thanks to
305 Ian Kay for reference and math hints in polar bilinear scaling]
307 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
310 * ctsim: imagefile labels are now copied to plotfiles
312 * ctsim: Added more analyze menuitems
314 * ctsimtext: First version. All command-line tools are now accessed
315 through this master shell. Has both command-line and interactive
318 * ctsim: Fixed initialization of min/max bug for PlotFiles
320 * ezplot: Cleaned up y-tick label placement
322 * sgp: Added better support for projection/reconstruction animation
324 3.0.0alpha3 - Released 1/02/01
326 * ctsim: Added plotting of histograms
328 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
330 * ezplot.cpp: adjusted xtick label displays for better placement
332 3.0alpha2 - Released 1/02/01
334 * ctsim: All functions of command-line tools are now in graphical ctsim
336 * ctsim: added generation of filter images
338 * ctsim: Added 2-image math functions (mul, add, div, sub)
340 * ctsim: Added export of imagefiles to graphic file formats
342 * ctsim: Added support for scaling imagefiles in new sizes
344 * ctsim: Added ability to save standard phantom definitions as
345 text files suitable for reading.
347 * ctsim: Add labels for image transformations and display of labels
348 when performing properties of images.
350 * processsignal.cpp: Fixed "off by one" bug in
351 shuffleNaturalToFourierOrder when n is even. Moved functions to
354 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
355 image math functions to complex-valued math.
357 * phantom.cpp: Added ability to save phantom files as ASCII text.
359 3.0alpha1 - Released 12/29/00
361 * Added PlotFile class to system, used by if2 and ctsim for row
362 and column plots and comparison plots
364 * ctsim: Added image comparison statistics and image subtraction
366 * ctsim: Added plotting of rows & columns with y-axis scaling
368 * ctsim: Added row and column plot comparisons between two image
371 * ctsim: Added "Process" menu to image file display with math
372 functions. Added 2-dimensional inverse Fourier to math
373 functions. Added support for complex (real/imaginary) images.
375 * mathfuncs.cpp: Reworked statistics algorithm to share between
376 imagefile and plotfile classes.
378 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
379 nsamples > 2. Added generic mage math functions, moved from
380 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
383 * array2dfile.cpp: Added code to support complex (real/imaginary)
386 * if1: Updated to handle error conditions, such as sqrt of a
387 negative number. Converted to use new ImageFile math functions.
389 * if2: Updated to output plot files and use new ImageFile class
392 * if1: Updated to use new ImageFile class math functions
394 * ezplot: Reworked to better store colors/linestyles/symbols with
395 individual curves. Improved display of labels and ticks. Updated
396 to use POL class member variable. Updated to more C++ conventions.
398 * pol: converted to C++ class. Extracted HashTable to separate
401 * sgp: Added linestyle settings
404 First Microsoft Windows GUI version
405 Modifications for Microsoft Visual C++ compilation.
406 Improved pjinfo to output binary headers and view data, useful
407 when manually compiling phantoms that vary during projection
408 process. Thanks to Ian Kay for idea and code submission.
409 Improved sorting to find median in ImageFile::statistics
410 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
411 Changed reconstruction dialog to fix onto smaller screens
412 Fixed display of plotting in Projection views
413 Improved animation displays for Projections and Reconstructions
414 Changed code to explicitly use std:: namespace rather than
415 "namespace using std" statements
416 Fixed reconstruction scaling bug introduced in 2.0.6
417 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
420 Fixed minor compilation problem with procsignal.h
422 Fixed bug when simulating projections and Trace == CONSOLE
423 Fixed scaling bug when performing redundant rotations around object
426 Improved compilation on RedHat 7
427 Changed some of ANSI C header files to C++ header files
428 Removed README.RedHat7
431 Added documentation for --geometry setting
432 Added README.RedHat7 document
435 Fixed bug in generation of binary PGM files
436 Fixed MPI compilation bug in phm2pj.cpp
437 Inverted y-axis output for pj2if (bug alert from Ian Kay)
440 Additions to man pages (Ian Kay)
441 Fix problem with reading of ASCII phantom files (Ian Kay)
444 Fixed syntax error in fftw configuration
445 Slight modifications to support gcc v2.9.6
448 Version 2.0.0 released!
449 ctsim: Added Window menu to Main frame
450 ctsim: Disabled not support reconstruction method
451 Fixed obscure bug in sys_error
452 Fixed compilation in mingw environment not present
453 Fixed compilation in non-graphical environments
456 ctsim: Added animation of reconstruction
457 ctsim: Added saving of dialog parameters for Projection & Reconstruction
458 ctsim: Added progress dialog for rasterization of phantom
459 ctsim: used setpriority to set lower priority
460 ctsim: fixed pReconstruct not being deleted causing scaling problem
461 ctsim: fixed projection animation dialog buttons
464 ctsim: Added projection graph to animation of projection collection
465 ctsim: Added single stepping to projection collection animation
466 ctsim: improved File/Properties display for projection files
467 ctsim: Added progress dialog for reconstructions
468 ctsim: Added file labels for projection and reconstruction images
469 ctsim: Made File/Properties bring up modal dialogs
470 Added reconstruction for Equilinear and Equiangular geometries
471 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
472 Separated reconstruction into Reconstructor class
473 Fixed center of detector adjustment for even number of detectors
474 Added --enable-static to generate statically linked programs
477 ctsim: Added animation of projection collection processs
478 ctsim: Added Auto Scaling for image windows
479 ctsim: Change menus from "windowing" to "display scaling"
480 Added FieldOfView and FocalLength ratio parameters to projection collection
481 Added FocalLength & FieldOfView fields to projection data files
482 Added Projection collection for Equilinear and Equiangular geometries
483 Changed name of Rowland Phantom to correct name of Shepp-Logan
484 Fixed bug in backprojection selection
487 Added RCS Id strings to executable files
488 Added RPM Spec file for RPM package creation
489 Added loading of ASCII phanthom definitions from files
490 Fixed compilation for non-SGP architectures
491 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
492 Added Filter-Generation option to reconstruction to allow direct or
493 inverse_fourier construction of filters
494 Added median to statistics and to auto-windowing
497 Added line color support to SGP
501 Finished support for dmallocxx library
502 Fixed bug in SignalFilter::convertFilterMethodNameToID()
503 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
504 G2 windows and well as WXWindows.
505 ctsim program: "Create Phantom" now shows phantom object
506 Fixed row-plot bug in if-2
507 Reworked EZPlot's multiple plot operation
510 ctsim program: improved initial size and scroll area for image
512 ctsim program: added rasterization parameters, projections parameters,
513 and reconstruction parameters dialogs
514 Moved char[] static definition from header files to c++ files
515 Completely reorganized option processing in classes to improve
516 expandability and to assist ctsim graphical user interface.
519 ctsim program: Added dialog to set minimum/maximum display levels
520 Started ctsim.tex document file
523 Fixed compiler warnings at -Wall level
524 Began work on CTSim program to be graphical front-end of all functions
525 Moved current src/*.cpp to tools/*.cpp
526 Made CTSim graphical front-end's home to be src/
529 Added highly optimized backprojection method idiff3
530 Moved comparative stats to if-2 program from ifinfo
531 Fixed image display in if2img using G2 library
532 Added column-plot and row-plot options to if-2
533 Added autoselection of analytic/calculated spatial responses to SignalFilter
534 Added frequency-based preinterpolation to SignalFilter and idiff3
535 backprojection method. Currently, this technique is still under
536 development and debugging
537 Moved graphic file writing to ImageFile class from if2img program
540 Cleaned up SignalFilter class
541 Added zeropad option to pjrec
542 Added zeropad options to html and cgi files
543 Added fourier_table and rfttw filter methods
544 Added FFTW routines to use real/half-complex transformations
547 Updated trace level processing
548 Added trace level to SignalFilter
549 Fixed magnitude vs. real output bug in FFT/Fourier filter
552 Fixed const issue with ImageFileArray
553 Fixed Array2dFile::labelsCopy()
554 Added copy constructor and assignment for Array2dFileLabel class
555 Added Timer to if-2.cpp and ifinfo.cpp
556 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
557 Added option processing for filter-method for pjrec to choose
558 between convolution, dft, & fft filtering
559 Fixed format string for EZPlot so axis labels now print
560 Added support for FFTW library
563 Rewrote Array2dFile class to be non-templated
564 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
565 Rewrote Array2dFileLabel class to make members private, added access routines
566 Removed timedate.cpp in favor of standard C library time/date functions
567 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
568 Added signature tag and creation date/time to projection files
571 Standardized string option processing by classes. All classes use character strings
572 to select options rather than numeric constants. Added fail() and failMessage()
573 methods to verify that objects are created correctly by character strings.
574 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
575 Rewrote ImageFile class
576 Started support for dmallocxx library, not finished
577 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
578 Updated ifinfo to show comparative statistics
579 Added printLabels() to Array2dFile class
580 Added printStatistics() to ImageFile class
583 Moved conversion filter name/id to Filter class
584 Moved conversion backprojection name/id to Backproj class
585 Added MPI broadcasting of strings
588 Merged proj_reconstr into class Projections
589 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
590 Code cleanup in projections.cpp
591 Moved conversion of phantom names/id to Phantom class
594 Converted projection files to C++ library with frnetorderstream
595 Converted image files to C++ library with frnetorderstream
596 Converted filter and convolution to object-oriented code
597 Changed default image file to float from double -- Changable in imagefile.h
598 Optimized image file writing on little-endian architectures
599 Updated README and INSTALL
602 Reorganized source files
603 MPI bug fixed to phm2pj.cpp
606 Reorganized include files
607 Fixed const pointers in strfuncs
610 Renamed directories, moved source files, combined source files
611 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
615 Skip versions to make version 2.0 the first fully C++ version
616 Renamed Raysums to Projections throughout files
617 Renamed Detector to Scanner
618 Converted Scanner and Projecions to full object-oriented
621 Converted Phantom and PhantomElements to Object-Oriented
622 Converted Detector to Object-Oriented
625 Improved Integer backprojection method
626 Fixed nearest neighbor to be truly nearest neighbor
627 Made linear interpolation more integer arithmetic -> speed improvement
628 Finished converting all C files to C++
629 Converted all use of malloc/free to C++ new/delete
630 Began object-oriented conversion of Phantom and Projection structures
633 Converted MPI data structures to C++ object
634 Made ImageFile directly inherit from Array2dFile
637 First C++ conversions
638 Portable IF (image file) format implemented with objects (SDF removed)
639 - Now all data files are cross-platform compatible
640 Converted from MPI to MPI++
641 Converted backprojection to object-oriented
642 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
645 Simpilifed endian handling
648 Added support for 64-bit (IA64) CPU
649 Removed broken B-spline interpolation
650 Added support for cygwin platform under Windows 2000
651 Added support for 16-bit PNG graphics
654 Added compile-time configuration of endian order
657 Modified the raysum file format to be platform independent
660 Added Microsoft VC compatibility
661 Cleaned up compilation warnings in libgraph
664 Continued conversion to ANSI C
665 Removed old CRT routines
668 Renamed pictures to phantoms, objects to phantom elements
669 Continued code cleanup
672 More code cleanup with reorganizing libraries
673 Added --log and --exp to sdf-1
674 Allowed negative numbers for window levels in CGI interface
677 Continued code cleanup
681 Better documented, coded raysum in-memory on on-disk options
684 Cleaned out library that wasn't being used by CTSim
685 Modified ctsim.cgi to read in configuration file ctsim.conf
688 First open source distribution for GNU/Linux
691 Converted to GNU/Linux
692 added MPI support via LAM library
695 Developed under MS-DOS and IBM EGA graphics