1 Aug 1, 2009 Version 5.0.1
2 * missing: Update to latest automake version
3 * configure: make compatible with wxMac
4 * update few source files for non-unicode wxWidgets 2.8 compatibility
6 Aug 1, 2009 Version 5.0.0
7 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
8 Currently, code compiles without warnings, but there are
9 GUI visual problems at the momemt running with wx2.8
11 Sep 17, 2007 Version 4.5.5
12 * better cleaning in makefiles
13 * use "const char" variables for string literals
15 Sep 10, 2007 Version 4.5.4
16 * configure.ac: Fix builds with multiple versions of wx-config
17 -- thanks to Steve White
19 Apr 1, 2007 Version 4.5.3
20 * include/timer.h: Fix building on GCC 4.3
21 -- thanks to Martin Michlmayr
23 Oct 19, 2006 Version 4.5.2
24 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
25 -- thanks to Sven Huth
27 Oct 18, 2006 Version 4.5.1
28 * configure: rebuild from configure.ac
30 Oct 15, 2006 Version 4.5.0
31 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
32 and simply computing rotScale -- thanks to Dan Martin.
34 Mar 16, 2006 Version 4.4.4
35 * Changes for g++ 4.1 support
37 Aug 22, 2005 Version 4.4.2
38 * New URL for downloading CTSim
40 Aug 22, 2005 Version 4.4.1
41 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
43 Aug 22, 2005 Version 4.4.0
44 * Changes in configure.ac for X.org compatibility with Debian Etch
45 and FC4. May not be backward compatibility with XFree86.
47 Aug 10, 2004 Version 4.3.2, Version 4.3.3
48 * Minor changes in man pages to fix groff warnings
50 Nov 1, 2003 Version 4.3.1
51 * Add support for SuSE AMD64
53 Oct 5, 2003 Version 4.3.0
54 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
55 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
57 Oct 3, 2003 Version 4.2.7
58 * Add support for building on RedHat AMD64
60 Sep 30, 2003 Version 4.2.7
61 * Fix minor issue with floating point difference backprojection, add
64 * Fix building with newest versions of automake 1.7
66 * Add support for 8-byte longs [for example, Athlon64] in
67 integer difference backprojection allowing for 64-bit integer
70 Mar 22, 2003 Version 4.2.3
72 * Added Fourier reconstruction method
74 * Support gcc 3.2, wxWindows 2.4, and MacOS X
76 * Fix polar interpolation
78 Jun 26, 2002 Version 3.5.6
80 * Fix minor color PNG image importing bug
82 * Bug fix for building on Debian alpha platform
84 * Fix g++ compilation warnings
86 Jun 13, 2002 Version 3.5.5
88 * Fix printing of version number
92 * Updated Win32 compatibility
94 Jun 8, 2002 Version 3.5.4
96 * Print version number in log window with About command
98 * Fix problem with captions not showing on some windows. Reworked
99 creation of new windows.
101 * Disabled status bar on 3d views
103 * Fix bug in configure.ac that prevented using compiler
106 * Updated About splash screen
108 May 29, 2002 Version 3.5.3
109 * Added support for g++ 3.04 compiler
111 May 8, 2002 Version 3.5.2
112 * configure: improved CTN (DICOM) installation search
113 * src/ctsim.cpp: Fixed initial image size with import command
115 May 5, 2002 Version 3.5.1
119 * ctsim: Added tips to be displayed at startup and via the help menu.
120 * ctsim: Added center-detector concept. Allow for detector array
121 to be any arbitrary distance from center of scanner. As a result,
122 projection files are not incompatible with previous version of
124 * ctsim: Added threaded tasks and background manager for
125 background processing as well as taking advantage of multiple-CPU's
126 on SMP systems. (Microsoft Windows only)
127 * ctsim: Added plot t-theta sampling to projection file menu.
128 * ctsim: Added Reconstruction with Rebinning for faster
129 divergent beam reconstructions.
130 * ctsim: Added import and export of DICOM image files.
131 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
132 * ctsim: Added FFT/IFFT of columns of image files.
133 * ctsim: Added clipboard cut/copy/paste for image files.
134 * ctsim: Added region of interest to reconstructions.
135 * ctsim: Added Convert Rectangular Image to Projection files
136 * ctsim: Added "Verbose Logging", "Startup Tips", and
137 "Background processes" options to Preferences dialog.
138 * ctsim: Added plotting of projection file histograms.
139 * plotfile: Added scattergram plot functions
140 * ctsim: Added accelerator key for File-Properties
141 * ctsim: Improved wireframe 3-d display to remove hidden
143 * backprojectors.cpp: Added setting of axis extent and increment
145 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
146 projection data files.
150 * views.cpp: reduced calls to progress bar update, significant speedup
151 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
152 not being displayed on Unix platforms.
153 * views.cpp: Added out-of-memory checks to display for huge
154 image and projection files.
155 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
156 * imagefile.cpp: Fixed scaling factor in fftRows
157 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
159 * sgp.cpp: Fixed bug in drawCircle.
160 * distribution: fixed problem with documentation files not
161 being included with the distribution (Reported by Ian Kay).
162 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
163 * fixed ctsimtext shell when giving no parameters to function-name
164 * phm2if, phm2pj: Updated help messages for renamed phantoms
166 3.0.3 - Released 2/20/01
168 * ctsim: Fixed core dump on Linux with OpenGL
170 * ctsim: Fixed context-sensitive help on Linux
172 * ctsim: Fixed About box on Linux
174 3.0.2 - Released 2/20/01
176 * scanner.cpp: Fixed bug when number of detectors was even.
178 * ctsim: Improved error handling when trying to convert
179 divergent projections into polar form.
181 3.0.1 - Released 2/19/01
183 * ctsim: Fixed dialog box for reconstruction so that
184 rotation angle setting will stay fixed in-between use
187 * syserror: Fixed display bug for trace messages
189 * ctsim: MSVC optimization bug work-around, compiler
192 3.0.0 - Released 2/19/01
194 * ctsim: Massive update/fix to online help and print manual.
196 * ctsim: Added context-sensitive help to dialog boxes
198 * ctsim: Reformated all dialog boxes, much nicer now.
200 * ctsim: Improved accelerator key handling
202 * global: Added Hanning filter.
204 * global: Improved default parameters to that all defaults give
207 3.0.0beta1 - Released 2/11/01
209 * ctsim: Added most-recently-used files to File menu with
210 registry storage between executions.
212 * ctsim: Hides arcane features unless enabled by Preferences dialog
214 * ctsim: Added MDI interface for Windows version and made it default for Windows.
216 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
218 * ctsim: Added graphical About box
220 * ctsim: Escape key now removes cursor lines from image file view
222 * ctsim: Added Revert to ImageFile menu
224 * ctsim: Added accelerator (hotkeys) to frames
226 * ctsim: Online help added!
228 * backprojector: Added cubic interpolation
230 * ctsim: Added icons to Frames on X-Window and MS Windows versions
232 * ctsim: Fixed tick-label placement for plots on projection and
233 reconstruction dialogs.
235 * timer.h: Add use of _ftime when compiling on MSVC
237 * global: Projection files are not compatible with previous version
238 due to new scanner definitions.
240 * global: deleted concept of field-of-view and added
241 view ratio and scan ratio concepts.
243 * ctsim: Fixed crash on shutdown bug
245 * pjinfo: Fixed bug when doing --dump and not specifing --endview
247 * phm2pj: Fixed MPI bug with broadcasting of variables
249 * ctsimtext-lam: Changes for first version to compile under lam
252 3.0.0alpha5 - Released 1/12/00
254 * ctsim: Added EZPlotDialog, used by debugging plots in
257 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
258 bug in parsing command-line parameters.
260 * views.cpp: Fixed bug in copying of labels from images to
263 * syserror.cpp: fixed reporting for fatal errors
265 * projections.cpp: fixed MSVC failure with std:: namespace
267 * procsignal.cpp: fixed bug in equiangular reconstructions
268 for frequency/inverse-fourier filtering
270 3.0.0alpha4 - Released 1/09/01
272 * ctsim: Added reset to full-intensity scale menu item
274 * ctsim: Add conversion of projections to polar plot [Thanks to
275 Ian Kay for reference and math hints in polar bilinear scaling]
277 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
280 * ctsim: imagefile labels are now copied to plotfiles
282 * ctsim: Added more analyze menuitems
284 * ctsimtext: First version. All command-line tools are now accessed
285 through this master shell. Has both command-line and interactive
288 * ctsim: Fixed initialization of min/max bug for PlotFiles
290 * ezplot: Cleaned up y-tick label placement
292 * sgp: Added better support for projection/reconstruction animation
294 3.0.0alpha3 - Released 1/02/01
296 * ctsim: Added plotting of histograms
298 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
300 * ezplot.cpp: adjusted xtick label displays for better placement
302 3.0alpha2 - Released 1/02/01
304 * ctsim: All functions of command-line tools are now in graphical ctsim
306 * ctsim: added generation of filter images
308 * ctsim: Added 2-image math functions (mul, add, div, sub)
310 * ctsim: Added export of imagefiles to graphic file formats
312 * ctsim: Added support for scaling imagefiles in new sizes
314 * ctsim: Added ability to save standard phantom definitions as
315 text files suitable for reading.
317 * ctsim: Add labels for image transformations and display of labels
318 when performing properties of images.
320 * processsignal.cpp: Fixed "off by one" bug in
321 shuffleNaturalToFourierOrder when n is even. Moved functions to
324 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
325 image math functions to complex-valued math.
327 * phantom.cpp: Added ability to save phantom files as ASCII text.
329 3.0alpha1 - Released 12/29/00
331 * Added PlotFile class to system, used by if2 and ctsim for row
332 and column plots and comparison plots
334 * ctsim: Added image comparison statistics and image subtraction
336 * ctsim: Added plotting of rows & columns with y-axis scaling
338 * ctsim: Added row and column plot comparisons between two image
341 * ctsim: Added "Process" menu to image file display with math
342 functions. Added 2-dimensional inverse Fourier to math
343 functions. Added support for complex (real/imaginary) images.
345 * mathfuncs.cpp: Reworked statistics algorithm to share between
346 imagefile and plotfile classes.
348 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
349 nsamples > 2. Added generic mage math functions, moved from
350 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
353 * array2dfile.cpp: Added code to support complex (real/imaginary)
356 * if1: Updated to handle error conditions, such as sqrt of a
357 negative number. Converted to use new ImageFile math functions.
359 * if2: Updated to output plot files and use new ImageFile class
362 * if1: Updated to use new ImageFile class math functions
364 * ezplot: Reworked to better store colors/linestyles/symbols with
365 individual curves. Improved display of labels and ticks. Updated
366 to use POL class member variable. Updated to more C++ conventions.
368 * pol: converted to C++ class. Extracted HashTable to separate
371 * sgp: Added linestyle settings
374 First Microsoft Windows GUI version
375 Modifications for Microsoft Visual C++ compilation.
376 Improved pjinfo to output binary headers and view data, useful
377 when manually compiling phantoms that vary during projection
378 process. Thanks to Ian Kay for idea and code submission.
379 Improved sorting to find median in ImageFile::statistics
380 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
381 Changed reconstruction dialog to fix onto smaller screens
382 Fixed display of plotting in Projection views
383 Improved animation displays for Projections and Reconstructions
384 Changed code to explicitly use std:: namespace rather than
385 "namespace using std" statements
386 Fixed reconstruction scaling bug introduced in 2.0.6
387 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
390 Fixed minor compilation problem with procsignal.h
392 Fixed bug when simulating projections and Trace == CONSOLE
393 Fixed scaling bug when performing redundant rotations around object
396 Improved compilation on RedHat 7
397 Changed some of ANSI C header files to C++ header files
398 Removed README.RedHat7
401 Added documentation for --geometry setting
402 Added README.RedHat7 document
405 Fixed bug in generation of binary PGM files
406 Fixed MPI compilation bug in phm2pj.cpp
407 Inverted y-axis output for pj2if (bug alert from Ian Kay)
410 Additions to man pages (Ian Kay)
411 Fix problem with reading of ASCII phantom files (Ian Kay)
414 Fixed syntax error in fftw configuration
415 Slight modifications to support gcc v2.9.6
418 Version 2.0.0 released!
419 ctsim: Added Window menu to Main frame
420 ctsim: Disabled not support reconstruction method
421 Fixed obscure bug in sys_error
422 Fixed compilation in mingw environment not present
423 Fixed compilation in non-graphical environments
426 ctsim: Added animation of reconstruction
427 ctsim: Added saving of dialog parameters for Projection & Reconstruction
428 ctsim: Added progress dialog for rasterization of phantom
429 ctsim: used setpriority to set lower priority
430 ctsim: fixed pReconstruct not being deleted causing scaling problem
431 ctsim: fixed projection animation dialog buttons
434 ctsim: Added projection graph to animation of projection collection
435 ctsim: Added single stepping to projection collection animation
436 ctsim: improved File/Properties display for projection files
437 ctsim: Added progress dialog for reconstructions
438 ctsim: Added file labels for projection and reconstruction images
439 ctsim: Made File/Properties bring up modal dialogs
440 Added reconstruction for Equilinear and Equiangular geometries
441 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
442 Separated reconstruction into Reconstructor class
443 Fixed center of detector adjustment for even number of detectors
444 Added --enable-static to generate statically linked programs
447 ctsim: Added animation of projection collection processs
448 ctsim: Added Auto Scaling for image windows
449 ctsim: Change menus from "windowing" to "display scaling"
450 Added FieldOfView and FocalLength ratio parameters to projection collection
451 Added FocalLength & FieldOfView fields to projection data files
452 Added Projection collection for Equilinear and Equiangular geometries
453 Changed name of Rowland Phantom to correct name of Shepp-Logan
454 Fixed bug in backprojection selection
457 Added RCS Id strings to executable files
458 Added RPM Spec file for RPM package creation
459 Added loading of ASCII phanthom definitions from files
460 Fixed compilation for non-SGP architectures
461 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
462 Added Filter-Generation option to reconstruction to allow direct or
463 inverse_fourier construction of filters
464 Added median to statistics and to auto-windowing
467 Added line color support to SGP
471 Finished support for dmallocxx library
472 Fixed bug in SignalFilter::convertFilterMethodNameToID()
473 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
474 G2 windows and well as WXWindows.
475 ctsim program: "Create Phantom" now shows phantom object
476 Fixed row-plot bug in if-2
477 Reworked EZPlot's multiple plot operation
480 ctsim program: improved initial size and scroll area for image
482 ctsim program: added rasterization parameters, projections parameters,
483 and reconstruction parameters dialogs
484 Moved char[] static definition from header files to c++ files
485 Completely reorganized option processing in classes to improve
486 expandability and to assist ctsim graphical user interface.
489 ctsim program: Added dialog to set minimum/maximum display levels
490 Started ctsim.tex document file
493 Fixed compiler warnings at -Wall level
494 Began work on CTSim program to be graphical front-end of all functions
495 Moved current src/*.cpp to tools/*.cpp
496 Made CTSim graphical front-end's home to be src/
499 Added highly optimized backprojection method idiff3
500 Moved comparative stats to if-2 program from ifinfo
501 Fixed image display in if2img using G2 library
502 Added column-plot and row-plot options to if-2
503 Added autoselection of analytic/calculated spatial responses to SignalFilter
504 Added frequency-based preinterpolation to SignalFilter and idiff3
505 backprojection method. Currently, this technique is still under
506 development and debugging
507 Moved graphic file writing to ImageFile class from if2img program
510 Cleaned up SignalFilter class
511 Added zeropad option to pjrec
512 Added zeropad options to html and cgi files
513 Added fourier_table and rfttw filter methods
514 Added FFTW routines to use real/half-complex transformations
517 Updated trace level processing
518 Added trace level to SignalFilter
519 Fixed magnitude vs. real output bug in FFT/Fourier filter
522 Fixed const issue with ImageFileArray
523 Fixed Array2dFile::labelsCopy()
524 Added copy constructor and assignment for Array2dFileLabel class
525 Added Timer to if-2.cpp and ifinfo.cpp
526 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
527 Added option processing for filter-method for pjrec to choose
528 between convolution, dft, & fft filtering
529 Fixed format string for EZPlot so axis labels now print
530 Added support for FFTW library
533 Rewrote Array2dFile class to be non-templated
534 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
535 Rewrote Array2dFileLabel class to make members private, added access routines
536 Removed timedate.cpp in favor of standard C library time/date functions
537 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
538 Added signature tag and creation date/time to projection files
541 Standardized string option processing by classes. All classes use character strings
542 to select options rather than numeric constants. Added fail() and failMessage()
543 methods to verify that objects are created correctly by character strings.
544 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
545 Rewrote ImageFile class
546 Started support for dmallocxx library, not finished
547 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
548 Updated ifinfo to show comparative statistics
549 Added printLabels() to Array2dFile class
550 Added printStatistics() to ImageFile class
553 Moved conversion filter name/id to Filter class
554 Moved conversion backprojection name/id to Backproj class
555 Added MPI broadcasting of strings
558 Merged proj_reconstr into class Projections
559 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
560 Code cleanup in projections.cpp
561 Moved conversion of phantom names/id to Phantom class
564 Converted projection files to C++ library with frnetorderstream
565 Converted image files to C++ library with frnetorderstream
566 Converted filter and convolution to object-oriented code
567 Changed default image file to float from double -- Changable in imagefile.h
568 Optimized image file writing on little-endian architectures
569 Updated README and INSTALL
572 Reorganized source files
573 MPI bug fixed to phm2pj.cpp
576 Reorganized include files
577 Fixed const pointers in strfuncs
580 Renamed directories, moved source files, combined source files
581 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
585 Skip versions to make version 2.0 the first fully C++ version
586 Renamed Raysums to Projections throughout files
587 Renamed Detector to Scanner
588 Converted Scanner and Projecions to full object-oriented
591 Converted Phantom and PhantomElements to Object-Oriented
592 Converted Detector to Object-Oriented
595 Improved Integer backprojection method
596 Fixed nearest neighbor to be truly nearest neighbor
597 Made linear interpolation more integer arithmetic -> speed improvement
598 Finished converting all C files to C++
599 Converted all use of malloc/free to C++ new/delete
600 Began object-oriented conversion of Phantom and Projection structures
603 Converted MPI data structures to C++ object
604 Made ImageFile directly inherit from Array2dFile
607 First C++ conversions
608 Portable IF (image file) format implemented with objects (SDF removed)
609 - Now all data files are cross-platform compatible
610 Converted from MPI to MPI++
611 Converted backprojection to object-oriented
612 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
615 Simpilifed endian handling
618 Added support for 64-bit (IA64) CPU
619 Removed broken B-spline interpolation
620 Added support for cygwin platform under Windows 2000
621 Added support for 16-bit PNG graphics
624 Added compile-time configuration of endian order
627 Modified the raysum file format to be platform independent
630 Added Microsoft VC compatibility
631 Cleaned up compilation warnings in libgraph
634 Continued conversion to ANSI C
635 Removed old CRT routines
638 Renamed pictures to phantoms, objects to phantom elements
639 Continued code cleanup
642 More code cleanup with reorganizing libraries
643 Added --log and --exp to sdf-1
644 Allowed negative numbers for window levels in CGI interface
647 Continued code cleanup
651 Better documented, coded raysum in-memory on on-disk options
654 Cleaned out library that wasn't being used by CTSim
655 Modified ctsim.cgi to read in configuration file ctsim.conf
658 First open source distribution for GNU/Linux
661 Converted to GNU/Linux
662 added MPI support via LAM library
665 Developed under MS-DOS and IBM EGA graphics