1 Aug 22, 2009 Version 5.1.3
3 - Improve numbering of unnamed documents. Reduce cut-and-paste code.
5 - Use new AC_INIT form to include package information, email, url
7 Aug 21, 2009 Version 5.1.2
8 * Conditionalize debugging output
10 Aug 20, 2009 Version 5.1.1
11 * Use new wxFont constructor. Adjust font sizes.
13 Aug 12, 2009 Version 5.1.0
14 * All known wxwidgets 2.8 compatibility issues have been fixed
16 Aug 6, 2009 Version 5.0.6
17 * Use wxWidgets command-line processing rather than existing
19 * ezset.cpp: Initialize scale settings in constructor
20 * Improve titles of frames
21 * configure.ac: Use wx-config to determine name of wxGL library
22 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
23 segv crash when creating 3D objects
25 Aug 3, 2009 Version 5.0.5
26 * Fix plots when maximum plot value is the same as minimum
28 Aug 3, 2009 Version 5.0.5
29 * More wx2.8 compatibility fixes.
30 * Fix initial size of Log TextCtrl at start-up.
31 * Fix display of values in Log window by cleaning up string
34 Aug 2, 2009 Version 5.0.4
35 * More wx2.8 compatibility fixes. Ensure that a resize of a window
36 causes a full repaint for phantom, plot, and graph3d canvases.
38 Aug 1, 2009 Version 5.0.1
39 * missing: Update to latest automake version
40 * configure: make compatible with wxMac
41 * update few source files for non-unicode wxWidgets 2.8 compatibility
43 Aug 1, 2009 Version 5.0.0
44 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
45 Currently, code compiles without warnings, but there are
46 GUI visual problems at the momemt running with wx2.8
48 Sep 17, 2007 Version 4.5.5
49 * better cleaning in makefiles
50 * use "const char" variables for string literals
52 Sep 10, 2007 Version 4.5.4
53 * configure.ac: Fix builds with multiple versions of wx-config
54 -- thanks to Steve White
56 Apr 1, 2007 Version 4.5.3
57 * include/timer.h: Fix building on GCC 4.3
58 -- thanks to Martin Michlmayr
60 Oct 19, 2006 Version 4.5.2
61 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
62 -- thanks to Sven Huth
64 Oct 18, 2006 Version 4.5.1
65 * configure: rebuild from configure.ac
67 Oct 15, 2006 Version 4.5.0
68 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
69 and simply computing rotScale -- thanks to Dan Martin.
71 Mar 16, 2006 Version 4.4.4
72 * Changes for g++ 4.1 support
74 Aug 22, 2005 Version 4.4.2
75 * New URL for downloading CTSim
77 Aug 22, 2005 Version 4.4.1
78 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
80 Aug 22, 2005 Version 4.4.0
81 * Changes in configure.ac for X.org compatibility with Debian Etch
82 and FC4. May not be backward compatibility with XFree86.
84 Aug 10, 2004 Version 4.3.2, Version 4.3.3
85 * Minor changes in man pages to fix groff warnings
87 Nov 1, 2003 Version 4.3.1
88 * Add support for SuSE AMD64
90 Oct 5, 2003 Version 4.3.0
91 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
93 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
96 Oct 3, 2003 Version 4.2.7
97 * Add support for building on RedHat AMD64
99 Sep 30, 2003 Version 4.2.7
100 * Fix minor issue with floating point difference backprojection, add
103 * Fix building with newest versions of automake 1.7
105 * Add support for 8-byte longs [for example, Athlon64] in
106 integer difference backprojection allowing for 64-bit integer
109 Mar 22, 2003 Version 4.2.3
111 * Added Fourier reconstruction method
113 * Support gcc 3.2, wxWindows 2.4, and MacOS X
115 * Fix polar interpolation
117 Jun 26, 2002 Version 3.5.6
119 * Fix minor color PNG image importing bug
121 * Bug fix for building on Debian alpha platform
123 * Fix g++ compilation warnings
125 Jun 13, 2002 Version 3.5.5
127 * Fix printing of version number
131 * Updated Win32 compatibility
133 Jun 8, 2002 Version 3.5.4
135 * Print version number in log window with About command
137 * Fix problem with captions not showing on some windows. Reworked
138 creation of new windows.
140 * Disabled status bar on 3d views
142 * Fix bug in configure.ac that prevented using compiler
145 * Updated About splash screen
147 May 29, 2002 Version 3.5.3
148 * Added support for g++ 3.04 compiler
150 May 8, 2002 Version 3.5.2
151 * configure: improved CTN (DICOM) installation search
152 * src/ctsim.cpp: Fixed initial image size with import command
154 May 5, 2002 Version 3.5.1
158 * ctsim: Added tips to be displayed at startup and via the help menu.
159 * ctsim: Added center-detector concept. Allow for detector array
160 to be any arbitrary distance from center of scanner. As a result,
161 projection files are not incompatible with previous version of
163 * ctsim: Added threaded tasks and background manager for
164 background processing as well as taking advantage of multiple-CPU's
165 on SMP systems. (Microsoft Windows only)
166 * ctsim: Added plot t-theta sampling to projection file menu.
167 * ctsim: Added Reconstruction with Rebinning for faster
168 divergent beam reconstructions.
169 * ctsim: Added import and export of DICOM image files.
170 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
171 * ctsim: Added FFT/IFFT of columns of image files.
172 * ctsim: Added clipboard cut/copy/paste for image files.
173 * ctsim: Added region of interest to reconstructions.
174 * ctsim: Added Convert Rectangular Image to Projection files
175 * ctsim: Added "Verbose Logging", "Startup Tips", and
176 "Background processes" options to Preferences dialog.
177 * ctsim: Added plotting of projection file histograms.
178 * plotfile: Added scattergram plot functions
179 * ctsim: Added accelerator key for File-Properties
180 * ctsim: Improved wireframe 3-d display to remove hidden
182 * backprojectors.cpp: Added setting of axis extent and increment
184 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
185 projection data files.
189 * views.cpp: reduced calls to progress bar update, significant speedup
190 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
191 not being displayed on Unix platforms.
192 * views.cpp: Added out-of-memory checks to display for huge
193 image and projection files.
194 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
195 * imagefile.cpp: Fixed scaling factor in fftRows
196 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
198 * sgp.cpp: Fixed bug in drawCircle.
199 * distribution: fixed problem with documentation files not
200 being included with the distribution (Reported by Ian Kay).
201 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
202 * fixed ctsimtext shell when giving no parameters to function-name
203 * phm2if, phm2pj: Updated help messages for renamed phantoms
205 3.0.3 - Released 2/20/01
207 * ctsim: Fixed core dump on Linux with OpenGL
209 * ctsim: Fixed context-sensitive help on Linux
211 * ctsim: Fixed About box on Linux
213 3.0.2 - Released 2/20/01
215 * scanner.cpp: Fixed bug when number of detectors was even.
217 * ctsim: Improved error handling when trying to convert
218 divergent projections into polar form.
220 3.0.1 - Released 2/19/01
222 * ctsim: Fixed dialog box for reconstruction so that
223 rotation angle setting will stay fixed in-between use
226 * syserror: Fixed display bug for trace messages
228 * ctsim: MSVC optimization bug work-around, compiler
231 3.0.0 - Released 2/19/01
233 * ctsim: Massive update/fix to online help and print manual.
235 * ctsim: Added context-sensitive help to dialog boxes
237 * ctsim: Reformated all dialog boxes, much nicer now.
239 * ctsim: Improved accelerator key handling
241 * global: Added Hanning filter.
243 * global: Improved default parameters to that all defaults give
246 3.0.0beta1 - Released 2/11/01
248 * ctsim: Added most-recently-used files to File menu with
249 registry storage between executions.
251 * ctsim: Hides arcane features unless enabled by Preferences dialog
253 * ctsim: Added MDI interface for Windows version and made it default for Windows.
255 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
257 * ctsim: Added graphical About box
259 * ctsim: Escape key now removes cursor lines from image file view
261 * ctsim: Added Revert to ImageFile menu
263 * ctsim: Added accelerator (hotkeys) to frames
265 * ctsim: Online help added!
267 * backprojector: Added cubic interpolation
269 * ctsim: Added icons to Frames on X-Window and MS Windows versions
271 * ctsim: Fixed tick-label placement for plots on projection and
272 reconstruction dialogs.
274 * timer.h: Add use of _ftime when compiling on MSVC
276 * global: Projection files are not compatible with previous version
277 due to new scanner definitions.
279 * global: deleted concept of field-of-view and added
280 view ratio and scan ratio concepts.
282 * ctsim: Fixed crash on shutdown bug
284 * pjinfo: Fixed bug when doing --dump and not specifing --endview
286 * phm2pj: Fixed MPI bug with broadcasting of variables
288 * ctsimtext-lam: Changes for first version to compile under lam
291 3.0.0alpha5 - Released 1/12/00
293 * ctsim: Added EZPlotDialog, used by debugging plots in
296 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
297 bug in parsing command-line parameters.
299 * views.cpp: Fixed bug in copying of labels from images to
302 * syserror.cpp: fixed reporting for fatal errors
304 * projections.cpp: fixed MSVC failure with std:: namespace
306 * procsignal.cpp: fixed bug in equiangular reconstructions
307 for frequency/inverse-fourier filtering
309 3.0.0alpha4 - Released 1/09/01
311 * ctsim: Added reset to full-intensity scale menu item
313 * ctsim: Add conversion of projections to polar plot [Thanks to
314 Ian Kay for reference and math hints in polar bilinear scaling]
316 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
319 * ctsim: imagefile labels are now copied to plotfiles
321 * ctsim: Added more analyze menuitems
323 * ctsimtext: First version. All command-line tools are now accessed
324 through this master shell. Has both command-line and interactive
327 * ctsim: Fixed initialization of min/max bug for PlotFiles
329 * ezplot: Cleaned up y-tick label placement
331 * sgp: Added better support for projection/reconstruction animation
333 3.0.0alpha3 - Released 1/02/01
335 * ctsim: Added plotting of histograms
337 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
339 * ezplot.cpp: adjusted xtick label displays for better placement
341 3.0alpha2 - Released 1/02/01
343 * ctsim: All functions of command-line tools are now in graphical ctsim
345 * ctsim: added generation of filter images
347 * ctsim: Added 2-image math functions (mul, add, div, sub)
349 * ctsim: Added export of imagefiles to graphic file formats
351 * ctsim: Added support for scaling imagefiles in new sizes
353 * ctsim: Added ability to save standard phantom definitions as
354 text files suitable for reading.
356 * ctsim: Add labels for image transformations and display of labels
357 when performing properties of images.
359 * processsignal.cpp: Fixed "off by one" bug in
360 shuffleNaturalToFourierOrder when n is even. Moved functions to
363 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
364 image math functions to complex-valued math.
366 * phantom.cpp: Added ability to save phantom files as ASCII text.
368 3.0alpha1 - Released 12/29/00
370 * Added PlotFile class to system, used by if2 and ctsim for row
371 and column plots and comparison plots
373 * ctsim: Added image comparison statistics and image subtraction
375 * ctsim: Added plotting of rows & columns with y-axis scaling
377 * ctsim: Added row and column plot comparisons between two image
380 * ctsim: Added "Process" menu to image file display with math
381 functions. Added 2-dimensional inverse Fourier to math
382 functions. Added support for complex (real/imaginary) images.
384 * mathfuncs.cpp: Reworked statistics algorithm to share between
385 imagefile and plotfile classes.
387 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
388 nsamples > 2. Added generic mage math functions, moved from
389 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
392 * array2dfile.cpp: Added code to support complex (real/imaginary)
395 * if1: Updated to handle error conditions, such as sqrt of a
396 negative number. Converted to use new ImageFile math functions.
398 * if2: Updated to output plot files and use new ImageFile class
401 * if1: Updated to use new ImageFile class math functions
403 * ezplot: Reworked to better store colors/linestyles/symbols with
404 individual curves. Improved display of labels and ticks. Updated
405 to use POL class member variable. Updated to more C++ conventions.
407 * pol: converted to C++ class. Extracted HashTable to separate
410 * sgp: Added linestyle settings
413 First Microsoft Windows GUI version
414 Modifications for Microsoft Visual C++ compilation.
415 Improved pjinfo to output binary headers and view data, useful
416 when manually compiling phantoms that vary during projection
417 process. Thanks to Ian Kay for idea and code submission.
418 Improved sorting to find median in ImageFile::statistics
419 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
420 Changed reconstruction dialog to fix onto smaller screens
421 Fixed display of plotting in Projection views
422 Improved animation displays for Projections and Reconstructions
423 Changed code to explicitly use std:: namespace rather than
424 "namespace using std" statements
425 Fixed reconstruction scaling bug introduced in 2.0.6
426 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
429 Fixed minor compilation problem with procsignal.h
431 Fixed bug when simulating projections and Trace == CONSOLE
432 Fixed scaling bug when performing redundant rotations around object
435 Improved compilation on RedHat 7
436 Changed some of ANSI C header files to C++ header files
437 Removed README.RedHat7
440 Added documentation for --geometry setting
441 Added README.RedHat7 document
444 Fixed bug in generation of binary PGM files
445 Fixed MPI compilation bug in phm2pj.cpp
446 Inverted y-axis output for pj2if (bug alert from Ian Kay)
449 Additions to man pages (Ian Kay)
450 Fix problem with reading of ASCII phantom files (Ian Kay)
453 Fixed syntax error in fftw configuration
454 Slight modifications to support gcc v2.9.6
457 Version 2.0.0 released!
458 ctsim: Added Window menu to Main frame
459 ctsim: Disabled not support reconstruction method
460 Fixed obscure bug in sys_error
461 Fixed compilation in mingw environment not present
462 Fixed compilation in non-graphical environments
465 ctsim: Added animation of reconstruction
466 ctsim: Added saving of dialog parameters for Projection & Reconstruction
467 ctsim: Added progress dialog for rasterization of phantom
468 ctsim: used setpriority to set lower priority
469 ctsim: fixed pReconstruct not being deleted causing scaling problem
470 ctsim: fixed projection animation dialog buttons
473 ctsim: Added projection graph to animation of projection collection
474 ctsim: Added single stepping to projection collection animation
475 ctsim: improved File/Properties display for projection files
476 ctsim: Added progress dialog for reconstructions
477 ctsim: Added file labels for projection and reconstruction images
478 ctsim: Made File/Properties bring up modal dialogs
479 Added reconstruction for Equilinear and Equiangular geometries
480 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
481 Separated reconstruction into Reconstructor class
482 Fixed center of detector adjustment for even number of detectors
483 Added --enable-static to generate statically linked programs
486 ctsim: Added animation of projection collection processs
487 ctsim: Added Auto Scaling for image windows
488 ctsim: Change menus from "windowing" to "display scaling"
489 Added FieldOfView and FocalLength ratio parameters to projection collection
490 Added FocalLength & FieldOfView fields to projection data files
491 Added Projection collection for Equilinear and Equiangular geometries
492 Changed name of Rowland Phantom to correct name of Shepp-Logan
493 Fixed bug in backprojection selection
496 Added RCS Id strings to executable files
497 Added RPM Spec file for RPM package creation
498 Added loading of ASCII phanthom definitions from files
499 Fixed compilation for non-SGP architectures
500 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
501 Added Filter-Generation option to reconstruction to allow direct or
502 inverse_fourier construction of filters
503 Added median to statistics and to auto-windowing
506 Added line color support to SGP
510 Finished support for dmallocxx library
511 Fixed bug in SignalFilter::convertFilterMethodNameToID()
512 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
513 G2 windows and well as WXWindows.
514 ctsim program: "Create Phantom" now shows phantom object
515 Fixed row-plot bug in if-2
516 Reworked EZPlot's multiple plot operation
519 ctsim program: improved initial size and scroll area for image
521 ctsim program: added rasterization parameters, projections parameters,
522 and reconstruction parameters dialogs
523 Moved char[] static definition from header files to c++ files
524 Completely reorganized option processing in classes to improve
525 expandability and to assist ctsim graphical user interface.
528 ctsim program: Added dialog to set minimum/maximum display levels
529 Started ctsim.tex document file
532 Fixed compiler warnings at -Wall level
533 Began work on CTSim program to be graphical front-end of all functions
534 Moved current src/*.cpp to tools/*.cpp
535 Made CTSim graphical front-end's home to be src/
538 Added highly optimized backprojection method idiff3
539 Moved comparative stats to if-2 program from ifinfo
540 Fixed image display in if2img using G2 library
541 Added column-plot and row-plot options to if-2
542 Added autoselection of analytic/calculated spatial responses to SignalFilter
543 Added frequency-based preinterpolation to SignalFilter and idiff3
544 backprojection method. Currently, this technique is still under
545 development and debugging
546 Moved graphic file writing to ImageFile class from if2img program
549 Cleaned up SignalFilter class
550 Added zeropad option to pjrec
551 Added zeropad options to html and cgi files
552 Added fourier_table and rfttw filter methods
553 Added FFTW routines to use real/half-complex transformations
556 Updated trace level processing
557 Added trace level to SignalFilter
558 Fixed magnitude vs. real output bug in FFT/Fourier filter
561 Fixed const issue with ImageFileArray
562 Fixed Array2dFile::labelsCopy()
563 Added copy constructor and assignment for Array2dFileLabel class
564 Added Timer to if-2.cpp and ifinfo.cpp
565 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
566 Added option processing for filter-method for pjrec to choose
567 between convolution, dft, & fft filtering
568 Fixed format string for EZPlot so axis labels now print
569 Added support for FFTW library
572 Rewrote Array2dFile class to be non-templated
573 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
574 Rewrote Array2dFileLabel class to make members private, added access routines
575 Removed timedate.cpp in favor of standard C library time/date functions
576 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
577 Added signature tag and creation date/time to projection files
580 Standardized string option processing by classes. All classes use character strings
581 to select options rather than numeric constants. Added fail() and failMessage()
582 methods to verify that objects are created correctly by character strings.
583 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
584 Rewrote ImageFile class
585 Started support for dmallocxx library, not finished
586 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
587 Updated ifinfo to show comparative statistics
588 Added printLabels() to Array2dFile class
589 Added printStatistics() to ImageFile class
592 Moved conversion filter name/id to Filter class
593 Moved conversion backprojection name/id to Backproj class
594 Added MPI broadcasting of strings
597 Merged proj_reconstr into class Projections
598 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
599 Code cleanup in projections.cpp
600 Moved conversion of phantom names/id to Phantom class
603 Converted projection files to C++ library with frnetorderstream
604 Converted image files to C++ library with frnetorderstream
605 Converted filter and convolution to object-oriented code
606 Changed default image file to float from double -- Changable in imagefile.h
607 Optimized image file writing on little-endian architectures
608 Updated README and INSTALL
611 Reorganized source files
612 MPI bug fixed to phm2pj.cpp
615 Reorganized include files
616 Fixed const pointers in strfuncs
619 Renamed directories, moved source files, combined source files
620 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
624 Skip versions to make version 2.0 the first fully C++ version
625 Renamed Raysums to Projections throughout files
626 Renamed Detector to Scanner
627 Converted Scanner and Projecions to full object-oriented
630 Converted Phantom and PhantomElements to Object-Oriented
631 Converted Detector to Object-Oriented
634 Improved Integer backprojection method
635 Fixed nearest neighbor to be truly nearest neighbor
636 Made linear interpolation more integer arithmetic -> speed improvement
637 Finished converting all C files to C++
638 Converted all use of malloc/free to C++ new/delete
639 Began object-oriented conversion of Phantom and Projection structures
642 Converted MPI data structures to C++ object
643 Made ImageFile directly inherit from Array2dFile
646 First C++ conversions
647 Portable IF (image file) format implemented with objects (SDF removed)
648 - Now all data files are cross-platform compatible
649 Converted from MPI to MPI++
650 Converted backprojection to object-oriented
651 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
654 Simpilifed endian handling
657 Added support for 64-bit (IA64) CPU
658 Removed broken B-spline interpolation
659 Added support for cygwin platform under Windows 2000
660 Added support for 16-bit PNG graphics
663 Added compile-time configuration of endian order
666 Modified the raysum file format to be platform independent
669 Added Microsoft VC compatibility
670 Cleaned up compilation warnings in libgraph
673 Continued conversion to ANSI C
674 Removed old CRT routines
677 Renamed pictures to phantoms, objects to phantom elements
678 Continued code cleanup
681 More code cleanup with reorganizing libraries
682 Added --log and --exp to sdf-1
683 Allowed negative numbers for window levels in CGI interface
686 Continued code cleanup
690 Better documented, coded raysum in-memory on on-disk options
693 Cleaned out library that wasn't being used by CTSim
694 Modified ctsim.cgi to read in configuration file ctsim.conf
697 First open source distribution for GNU/Linux
700 Converted to GNU/Linux
701 added MPI support via LAM library
704 Developed under MS-DOS and IBM EGA graphics