1 Sep 10, 2007 Version 4.5.4
2 * configure.ac: Fix builds with multiple versions of wx-config
3 -- thanks to Steve White
5 Apr 1, 2007 Version 4.5.3
6 * include/timer.h: Fix building on GCC 4.3
7 -- thanks to Martin Michlmayr
9 Oct 19, 2006 Version 4.5.2
10 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
11 -- thanks to Sven Huth
13 Oct 18, 2006 Version 4.5.1
14 * configure: rebuild from configure.ac
16 Oct 15, 2006 Version 4.5.0
17 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
18 and simply computing rotScale -- thanks to Dan Martin.
20 Mar 16, 2006 Version 4.4.4
21 * Changes for g++ 4.1 support
23 Aug 22, 2005 Version 4.4.2
24 * New URL for downloading CTSim
26 Aug 22, 2005 Version 4.4.1
27 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
29 Aug 22, 2005 Version 4.4.0
30 * Changes in configure.ac for X.org compatibility with Debian Etch
31 and FC4. May not be backward compatibility with XFree86.
33 Aug 10, 2004 Version 4.3.2, Version 4.3.3
34 * Minor changes in man pages to fix groff warnings
36 Nov 1, 2003 Version 4.3.1
37 * Add support for SuSE AMD64
39 Oct 5, 2003 Version 4.3.0
40 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
41 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
43 Oct 3, 2003 Version 4.2.7
44 * Add support for building on RedHat AMD64
46 Sep 30, 2003 Version 4.2.7
47 * Fix minor issue with floating point difference backprojection, add
50 * Fix building with newest versions of automake 1.7
52 * Add support for 8-byte longs [for example, Athlon64] in
53 integer difference backprojection allowing for 64-bit integer
56 Mar 22, 2003 Version 4.2.3
58 * Added Fourier reconstruction method
60 * Support gcc 3.2, wxWindows 2.4, and MacOS X
62 * Fix polar interpolation
64 Jun 26, 2002 Version 3.5.6
66 * Fix minor color PNG image importing bug
68 * Bug fix for building on Debian alpha platform
70 * Fix g++ compilation warnings
72 Jun 13, 2002 Version 3.5.5
74 * Fix printing of version number
78 * Updated Win32 compatibility
80 Jun 8, 2002 Version 3.5.4
82 * Print version number in log window with About command
84 * Fix problem with captions not showing on some windows. Reworked
85 creation of new windows.
87 * Disabled status bar on 3d views
89 * Fix bug in configure.ac that prevented using compiler
92 * Updated About splash screen
94 May 29, 2002 Version 3.5.3
95 * Added support for g++ 3.04 compiler
97 May 8, 2002 Version 3.5.2
98 * configure: improved CTN (DICOM) installation search
99 * src/ctsim.cpp: Fixed initial image size with import command
101 May 5, 2002 Version 3.5.1
105 * ctsim: Added tips to be displayed at startup and via the help menu.
106 * ctsim: Added center-detector concept. Allow for detector array
107 to be any arbitrary distance from center of scanner. As a result,
108 projection files are not incompatible with previous version of
110 * ctsim: Added threaded tasks and background manager for
111 background processing as well as taking advantage of multiple-CPU's
112 on SMP systems. (Microsoft Windows only)
113 * ctsim: Added plot t-theta sampling to projection file menu.
114 * ctsim: Added Reconstruction with Rebinning for faster
115 divergent beam reconstructions.
116 * ctsim: Added import and export of DICOM image files.
117 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
118 * ctsim: Added FFT/IFFT of columns of image files.
119 * ctsim: Added clipboard cut/copy/paste for image files.
120 * ctsim: Added region of interest to reconstructions.
121 * ctsim: Added Convert Rectangular Image to Projection files
122 * ctsim: Added "Verbose Logging", "Startup Tips", and
123 "Background processes" options to Preferences dialog.
124 * ctsim: Added plotting of projection file histograms.
125 * plotfile: Added scattergram plot functions
126 * ctsim: Added accelerator key for File-Properties
127 * ctsim: Improved wireframe 3-d display to remove hidden
129 * backprojectors.cpp: Added setting of axis extent and increment
131 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
132 projection data files.
136 * views.cpp: reduced calls to progress bar update, significant speedup
137 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
138 not being displayed on Unix platforms.
139 * views.cpp: Added out-of-memory checks to display for huge
140 image and projection files.
141 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
142 * imagefile.cpp: Fixed scaling factor in fftRows
143 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
145 * sgp.cpp: Fixed bug in drawCircle.
146 * distribution: fixed problem with documentation files not
147 being included with the distribution (Reported by Ian Kay).
148 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
149 * fixed ctsimtext shell when giving no parameters to function-name
150 * phm2if, phm2pj: Updated help messages for renamed phantoms
152 3.0.3 - Released 2/20/01
154 * ctsim: Fixed core dump on Linux with OpenGL
156 * ctsim: Fixed context-sensitive help on Linux
158 * ctsim: Fixed About box on Linux
160 3.0.2 - Released 2/20/01
162 * scanner.cpp: Fixed bug when number of detectors was even.
164 * ctsim: Improved error handling when trying to convert
165 divergent projections into polar form.
167 3.0.1 - Released 2/19/01
169 * ctsim: Fixed dialog box for reconstruction so that
170 rotation angle setting will stay fixed in-between use
173 * syserror: Fixed display bug for trace messages
175 * ctsim: MSVC optimization bug work-around, compiler
178 3.0.0 - Released 2/19/01
180 * ctsim: Massive update/fix to online help and print manual.
182 * ctsim: Added context-sensitive help to dialog boxes
184 * ctsim: Reformated all dialog boxes, much nicer now.
186 * ctsim: Improved accelerator key handling
188 * global: Added Hanning filter.
190 * global: Improved default parameters to that all defaults give
193 3.0.0beta1 - Released 2/11/01
195 * ctsim: Added most-recently-used files to File menu with
196 registry storage between executions.
198 * ctsim: Hides arcane features unless enabled by Preferences dialog
200 * ctsim: Added MDI interface for Windows version and made it default for Windows.
202 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
204 * ctsim: Added graphical About box
206 * ctsim: Escape key now removes cursor lines from image file view
208 * ctsim: Added Revert to ImageFile menu
210 * ctsim: Added accelerator (hotkeys) to frames
212 * ctsim: Online help added!
214 * backprojector: Added cubic interpolation
216 * ctsim: Added icons to Frames on X-Window and MS Windows versions
218 * ctsim: Fixed tick-label placement for plots on projection and
219 reconstruction dialogs.
221 * timer.h: Add use of _ftime when compiling on MSVC
223 * global: Projection files are not compatible with previous version
224 due to new scanner definitions.
226 * global: deleted concept of field-of-view and added
227 view ratio and scan ratio concepts.
229 * ctsim: Fixed crash on shutdown bug
231 * pjinfo: Fixed bug when doing --dump and not specifing --endview
233 * phm2pj: Fixed MPI bug with broadcasting of variables
235 * ctsimtext-lam: Changes for first version to compile under lam
238 3.0.0alpha5 - Released 1/12/00
240 * ctsim: Added EZPlotDialog, used by debugging plots in
243 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
244 bug in parsing command-line parameters.
246 * views.cpp: Fixed bug in copying of labels from images to
249 * syserror.cpp: fixed reporting for fatal errors
251 * projections.cpp: fixed MSVC failure with std:: namespace
253 * procsignal.cpp: fixed bug in equiangular reconstructions
254 for frequency/inverse-fourier filtering
256 3.0.0alpha4 - Released 1/09/01
258 * ctsim: Added reset to full-intensity scale menu item
260 * ctsim: Add conversion of projections to polar plot [Thanks to
261 Ian Kay for reference and math hints in polar bilinear scaling]
263 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
266 * ctsim: imagefile labels are now copied to plotfiles
268 * ctsim: Added more analyze menuitems
270 * ctsimtext: First version. All command-line tools are now accessed
271 through this master shell. Has both command-line and interactive
274 * ctsim: Fixed initialization of min/max bug for PlotFiles
276 * ezplot: Cleaned up y-tick label placement
278 * sgp: Added better support for projection/reconstruction animation
280 3.0.0alpha3 - Released 1/02/01
282 * ctsim: Added plotting of histograms
284 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
286 * ezplot.cpp: adjusted xtick label displays for better placement
288 3.0alpha2 - Released 1/02/01
290 * ctsim: All functions of command-line tools are now in graphical ctsim
292 * ctsim: added generation of filter images
294 * ctsim: Added 2-image math functions (mul, add, div, sub)
296 * ctsim: Added export of imagefiles to graphic file formats
298 * ctsim: Added support for scaling imagefiles in new sizes
300 * ctsim: Added ability to save standard phantom definitions as
301 text files suitable for reading.
303 * ctsim: Add labels for image transformations and display of labels
304 when performing properties of images.
306 * processsignal.cpp: Fixed "off by one" bug in
307 shuffleNaturalToFourierOrder when n is even. Moved functions to
310 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
311 image math functions to complex-valued math.
313 * phantom.cpp: Added ability to save phantom files as ASCII text.
315 3.0alpha1 - Released 12/29/00
317 * Added PlotFile class to system, used by if2 and ctsim for row
318 and column plots and comparison plots
320 * ctsim: Added image comparison statistics and image subtraction
322 * ctsim: Added plotting of rows & columns with y-axis scaling
324 * ctsim: Added row and column plot comparisons between two image
327 * ctsim: Added "Process" menu to image file display with math
328 functions. Added 2-dimensional inverse Fourier to math
329 functions. Added support for complex (real/imaginary) images.
331 * mathfuncs.cpp: Reworked statistics algorithm to share between
332 imagefile and plotfile classes.
334 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
335 nsamples > 2. Added generic mage math functions, moved from
336 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
339 * array2dfile.cpp: Added code to support complex (real/imaginary)
342 * if1: Updated to handle error conditions, such as sqrt of a
343 negative number. Converted to use new ImageFile math functions.
345 * if2: Updated to output plot files and use new ImageFile class
348 * if1: Updated to use new ImageFile class math functions
350 * ezplot: Reworked to better store colors/linestyles/symbols with
351 individual curves. Improved display of labels and ticks. Updated
352 to use POL class member variable. Updated to more C++ conventions.
354 * pol: converted to C++ class. Extracted HashTable to separate
357 * sgp: Added linestyle settings
360 First Microsoft Windows GUI version
361 Modifications for Microsoft Visual C++ compilation.
362 Improved pjinfo to output binary headers and view data, useful
363 when manually compiling phantoms that vary during projection
364 process. Thanks to Ian Kay for idea and code submission.
365 Improved sorting to find median in ImageFile::statistics
366 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
367 Changed reconstruction dialog to fix onto smaller screens
368 Fixed display of plotting in Projection views
369 Improved animation displays for Projections and Reconstructions
370 Changed code to explicitly use std:: namespace rather than
371 "namespace using std" statements
372 Fixed reconstruction scaling bug introduced in 2.0.6
373 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
376 Fixed minor compilation problem with procsignal.h
378 Fixed bug when simulating projections and Trace == CONSOLE
379 Fixed scaling bug when performing redundant rotations around object
382 Improved compilation on RedHat 7
383 Changed some of ANSI C header files to C++ header files
384 Removed README.RedHat7
387 Added documentation for --geometry setting
388 Added README.RedHat7 document
391 Fixed bug in generation of binary PGM files
392 Fixed MPI compilation bug in phm2pj.cpp
393 Inverted y-axis output for pj2if (bug alert from Ian Kay)
396 Additions to man pages (Ian Kay)
397 Fix problem with reading of ASCII phantom files (Ian Kay)
400 Fixed syntax error in fftw configuration
401 Slight modifications to support gcc v2.9.6
404 Version 2.0.0 released!
405 ctsim: Added Window menu to Main frame
406 ctsim: Disabled not support reconstruction method
407 Fixed obscure bug in sys_error
408 Fixed compilation in mingw environment not present
409 Fixed compilation in non-graphical environments
412 ctsim: Added animation of reconstruction
413 ctsim: Added saving of dialog parameters for Projection & Reconstruction
414 ctsim: Added progress dialog for rasterization of phantom
415 ctsim: used setpriority to set lower priority
416 ctsim: fixed pReconstruct not being deleted causing scaling problem
417 ctsim: fixed projection animation dialog buttons
420 ctsim: Added projection graph to animation of projection collection
421 ctsim: Added single stepping to projection collection animation
422 ctsim: improved File/Properties display for projection files
423 ctsim: Added progress dialog for reconstructions
424 ctsim: Added file labels for projection and reconstruction images
425 ctsim: Made File/Properties bring up modal dialogs
426 Added reconstruction for Equilinear and Equiangular geometries
427 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
428 Separated reconstruction into Reconstructor class
429 Fixed center of detector adjustment for even number of detectors
430 Added --enable-static to generate statically linked programs
433 ctsim: Added animation of projection collection processs
434 ctsim: Added Auto Scaling for image windows
435 ctsim: Change menus from "windowing" to "display scaling"
436 Added FieldOfView and FocalLength ratio parameters to projection collection
437 Added FocalLength & FieldOfView fields to projection data files
438 Added Projection collection for Equilinear and Equiangular geometries
439 Changed name of Rowland Phantom to correct name of Shepp-Logan
440 Fixed bug in backprojection selection
443 Added RCS Id strings to executable files
444 Added RPM Spec file for RPM package creation
445 Added loading of ASCII phanthom definitions from files
446 Fixed compilation for non-SGP architectures
447 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
448 Added Filter-Generation option to reconstruction to allow direct or
449 inverse_fourier construction of filters
450 Added median to statistics and to auto-windowing
453 Added line color support to SGP
457 Finished support for dmallocxx library
458 Fixed bug in SignalFilter::convertFilterMethodNameToID()
459 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
460 G2 windows and well as WXWindows.
461 ctsim program: "Create Phantom" now shows phantom object
462 Fixed row-plot bug in if-2
463 Reworked EZPlot's multiple plot operation
466 ctsim program: improved initial size and scroll area for image
468 ctsim program: added rasterization parameters, projections parameters,
469 and reconstruction parameters dialogs
470 Moved char[] static definition from header files to c++ files
471 Completely reorganized option processing in classes to improve
472 expandability and to assist ctsim graphical user interface.
475 ctsim program: Added dialog to set minimum/maximum display levels
476 Started ctsim.tex document file
479 Fixed compiler warnings at -Wall level
480 Began work on CTSim program to be graphical front-end of all functions
481 Moved current src/*.cpp to tools/*.cpp
482 Made CTSim graphical front-end's home to be src/
485 Added highly optimized backprojection method idiff3
486 Moved comparative stats to if-2 program from ifinfo
487 Fixed image display in if2img using G2 library
488 Added column-plot and row-plot options to if-2
489 Added autoselection of analytic/calculated spatial responses to SignalFilter
490 Added frequency-based preinterpolation to SignalFilter and idiff3
491 backprojection method. Currently, this technique is still under
492 development and debugging
493 Moved graphic file writing to ImageFile class from if2img program
496 Cleaned up SignalFilter class
497 Added zeropad option to pjrec
498 Added zeropad options to html and cgi files
499 Added fourier_table and rfttw filter methods
500 Added FFTW routines to use real/half-complex transformations
503 Updated trace level processing
504 Added trace level to SignalFilter
505 Fixed magnitude vs. real output bug in FFT/Fourier filter
508 Fixed const issue with ImageFileArray
509 Fixed Array2dFile::labelsCopy()
510 Added copy constructor and assignment for Array2dFileLabel class
511 Added Timer to if-2.cpp and ifinfo.cpp
512 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
513 Added option processing for filter-method for pjrec to choose
514 between convolution, dft, & fft filtering
515 Fixed format string for EZPlot so axis labels now print
516 Added support for FFTW library
519 Rewrote Array2dFile class to be non-templated
520 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
521 Rewrote Array2dFileLabel class to make members private, added access routines
522 Removed timedate.cpp in favor of standard C library time/date functions
523 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
524 Added signature tag and creation date/time to projection files
527 Standardized string option processing by classes. All classes use character strings
528 to select options rather than numeric constants. Added fail() and failMessage()
529 methods to verify that objects are created correctly by character strings.
530 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
531 Rewrote ImageFile class
532 Started support for dmallocxx library, not finished
533 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
534 Updated ifinfo to show comparative statistics
535 Added printLabels() to Array2dFile class
536 Added printStatistics() to ImageFile class
539 Moved conversion filter name/id to Filter class
540 Moved conversion backprojection name/id to Backproj class
541 Added MPI broadcasting of strings
544 Merged proj_reconstr into class Projections
545 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
546 Code cleanup in projections.cpp
547 Moved conversion of phantom names/id to Phantom class
550 Converted projection files to C++ library with frnetorderstream
551 Converted image files to C++ library with frnetorderstream
552 Converted filter and convolution to object-oriented code
553 Changed default image file to float from double -- Changable in imagefile.h
554 Optimized image file writing on little-endian architectures
555 Updated README and INSTALL
558 Reorganized source files
559 MPI bug fixed to phm2pj.cpp
562 Reorganized include files
563 Fixed const pointers in strfuncs
566 Renamed directories, moved source files, combined source files
567 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
571 Skip versions to make version 2.0 the first fully C++ version
572 Renamed Raysums to Projections throughout files
573 Renamed Detector to Scanner
574 Converted Scanner and Projecions to full object-oriented
577 Converted Phantom and PhantomElements to Object-Oriented
578 Converted Detector to Object-Oriented
581 Improved Integer backprojection method
582 Fixed nearest neighbor to be truly nearest neighbor
583 Made linear interpolation more integer arithmetic -> speed improvement
584 Finished converting all C files to C++
585 Converted all use of malloc/free to C++ new/delete
586 Began object-oriented conversion of Phantom and Projection structures
589 Converted MPI data structures to C++ object
590 Made ImageFile directly inherit from Array2dFile
593 First C++ conversions
594 Portable IF (image file) format implemented with objects (SDF removed)
595 - Now all data files are cross-platform compatible
596 Converted from MPI to MPI++
597 Converted backprojection to object-oriented
598 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
601 Simpilifed endian handling
604 Added support for 64-bit (IA64) CPU
605 Removed broken B-spline interpolation
606 Added support for cygwin platform under Windows 2000
607 Added support for 16-bit PNG graphics
610 Added compile-time configuration of endian order
613 Modified the raysum file format to be platform independent
616 Added Microsoft VC compatibility
617 Cleaned up compilation warnings in libgraph
620 Continued conversion to ANSI C
621 Removed old CRT routines
624 Renamed pictures to phantoms, objects to phantom elements
625 Continued code cleanup
628 More code cleanup with reorganizing libraries
629 Added --log and --exp to sdf-1
630 Allowed negative numbers for window levels in CGI interface
633 Continued code cleanup
637 Better documented, coded raysum in-memory on on-disk options
640 Cleaned out library that wasn't being used by CTSim
641 Modified ctsim.cgi to read in configuration file ctsim.conf
644 First open source distribution for GNU/Linux
647 Converted to GNU/Linux
648 added MPI support via LAM library
651 Developed under MS-DOS and IBM EGA graphics