1 Sep 17, 2007 Version 4.5.5
2 * better cleaning in makefiles
3 * use "const char" variables for string literals
5 Sep 10, 2007 Version 4.5.4
6 * configure.ac: Fix builds with multiple versions of wx-config
7 -- thanks to Steve White
9 Apr 1, 2007 Version 4.5.3
10 * include/timer.h: Fix building on GCC 4.3
11 -- thanks to Martin Michlmayr
13 Oct 19, 2006 Version 4.5.2
14 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
15 -- thanks to Sven Huth
17 Oct 18, 2006 Version 4.5.1
18 * configure: rebuild from configure.ac
20 Oct 15, 2006 Version 4.5.0
21 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
22 and simply computing rotScale -- thanks to Dan Martin.
24 Mar 16, 2006 Version 4.4.4
25 * Changes for g++ 4.1 support
27 Aug 22, 2005 Version 4.4.2
28 * New URL for downloading CTSim
30 Aug 22, 2005 Version 4.4.1
31 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
33 Aug 22, 2005 Version 4.4.0
34 * Changes in configure.ac for X.org compatibility with Debian Etch
35 and FC4. May not be backward compatibility with XFree86.
37 Aug 10, 2004 Version 4.3.2, Version 4.3.3
38 * Minor changes in man pages to fix groff warnings
40 Nov 1, 2003 Version 4.3.1
41 * Add support for SuSE AMD64
43 Oct 5, 2003 Version 4.3.0
44 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
45 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
47 Oct 3, 2003 Version 4.2.7
48 * Add support for building on RedHat AMD64
50 Sep 30, 2003 Version 4.2.7
51 * Fix minor issue with floating point difference backprojection, add
54 * Fix building with newest versions of automake 1.7
56 * Add support for 8-byte longs [for example, Athlon64] in
57 integer difference backprojection allowing for 64-bit integer
60 Mar 22, 2003 Version 4.2.3
62 * Added Fourier reconstruction method
64 * Support gcc 3.2, wxWindows 2.4, and MacOS X
66 * Fix polar interpolation
68 Jun 26, 2002 Version 3.5.6
70 * Fix minor color PNG image importing bug
72 * Bug fix for building on Debian alpha platform
74 * Fix g++ compilation warnings
76 Jun 13, 2002 Version 3.5.5
78 * Fix printing of version number
82 * Updated Win32 compatibility
84 Jun 8, 2002 Version 3.5.4
86 * Print version number in log window with About command
88 * Fix problem with captions not showing on some windows. Reworked
89 creation of new windows.
91 * Disabled status bar on 3d views
93 * Fix bug in configure.ac that prevented using compiler
96 * Updated About splash screen
98 May 29, 2002 Version 3.5.3
99 * Added support for g++ 3.04 compiler
101 May 8, 2002 Version 3.5.2
102 * configure: improved CTN (DICOM) installation search
103 * src/ctsim.cpp: Fixed initial image size with import command
105 May 5, 2002 Version 3.5.1
109 * ctsim: Added tips to be displayed at startup and via the help menu.
110 * ctsim: Added center-detector concept. Allow for detector array
111 to be any arbitrary distance from center of scanner. As a result,
112 projection files are not incompatible with previous version of
114 * ctsim: Added threaded tasks and background manager for
115 background processing as well as taking advantage of multiple-CPU's
116 on SMP systems. (Microsoft Windows only)
117 * ctsim: Added plot t-theta sampling to projection file menu.
118 * ctsim: Added Reconstruction with Rebinning for faster
119 divergent beam reconstructions.
120 * ctsim: Added import and export of DICOM image files.
121 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
122 * ctsim: Added FFT/IFFT of columns of image files.
123 * ctsim: Added clipboard cut/copy/paste for image files.
124 * ctsim: Added region of interest to reconstructions.
125 * ctsim: Added Convert Rectangular Image to Projection files
126 * ctsim: Added "Verbose Logging", "Startup Tips", and
127 "Background processes" options to Preferences dialog.
128 * ctsim: Added plotting of projection file histograms.
129 * plotfile: Added scattergram plot functions
130 * ctsim: Added accelerator key for File-Properties
131 * ctsim: Improved wireframe 3-d display to remove hidden
133 * backprojectors.cpp: Added setting of axis extent and increment
135 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
136 projection data files.
140 * views.cpp: reduced calls to progress bar update, significant speedup
141 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
142 not being displayed on Unix platforms.
143 * views.cpp: Added out-of-memory checks to display for huge
144 image and projection files.
145 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
146 * imagefile.cpp: Fixed scaling factor in fftRows
147 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
149 * sgp.cpp: Fixed bug in drawCircle.
150 * distribution: fixed problem with documentation files not
151 being included with the distribution (Reported by Ian Kay).
152 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
153 * fixed ctsimtext shell when giving no parameters to function-name
154 * phm2if, phm2pj: Updated help messages for renamed phantoms
156 3.0.3 - Released 2/20/01
158 * ctsim: Fixed core dump on Linux with OpenGL
160 * ctsim: Fixed context-sensitive help on Linux
162 * ctsim: Fixed About box on Linux
164 3.0.2 - Released 2/20/01
166 * scanner.cpp: Fixed bug when number of detectors was even.
168 * ctsim: Improved error handling when trying to convert
169 divergent projections into polar form.
171 3.0.1 - Released 2/19/01
173 * ctsim: Fixed dialog box for reconstruction so that
174 rotation angle setting will stay fixed in-between use
177 * syserror: Fixed display bug for trace messages
179 * ctsim: MSVC optimization bug work-around, compiler
182 3.0.0 - Released 2/19/01
184 * ctsim: Massive update/fix to online help and print manual.
186 * ctsim: Added context-sensitive help to dialog boxes
188 * ctsim: Reformated all dialog boxes, much nicer now.
190 * ctsim: Improved accelerator key handling
192 * global: Added Hanning filter.
194 * global: Improved default parameters to that all defaults give
197 3.0.0beta1 - Released 2/11/01
199 * ctsim: Added most-recently-used files to File menu with
200 registry storage between executions.
202 * ctsim: Hides arcane features unless enabled by Preferences dialog
204 * ctsim: Added MDI interface for Windows version and made it default for Windows.
206 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
208 * ctsim: Added graphical About box
210 * ctsim: Escape key now removes cursor lines from image file view
212 * ctsim: Added Revert to ImageFile menu
214 * ctsim: Added accelerator (hotkeys) to frames
216 * ctsim: Online help added!
218 * backprojector: Added cubic interpolation
220 * ctsim: Added icons to Frames on X-Window and MS Windows versions
222 * ctsim: Fixed tick-label placement for plots on projection and
223 reconstruction dialogs.
225 * timer.h: Add use of _ftime when compiling on MSVC
227 * global: Projection files are not compatible with previous version
228 due to new scanner definitions.
230 * global: deleted concept of field-of-view and added
231 view ratio and scan ratio concepts.
233 * ctsim: Fixed crash on shutdown bug
235 * pjinfo: Fixed bug when doing --dump and not specifing --endview
237 * phm2pj: Fixed MPI bug with broadcasting of variables
239 * ctsimtext-lam: Changes for first version to compile under lam
242 3.0.0alpha5 - Released 1/12/00
244 * ctsim: Added EZPlotDialog, used by debugging plots in
247 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
248 bug in parsing command-line parameters.
250 * views.cpp: Fixed bug in copying of labels from images to
253 * syserror.cpp: fixed reporting for fatal errors
255 * projections.cpp: fixed MSVC failure with std:: namespace
257 * procsignal.cpp: fixed bug in equiangular reconstructions
258 for frequency/inverse-fourier filtering
260 3.0.0alpha4 - Released 1/09/01
262 * ctsim: Added reset to full-intensity scale menu item
264 * ctsim: Add conversion of projections to polar plot [Thanks to
265 Ian Kay for reference and math hints in polar bilinear scaling]
267 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
270 * ctsim: imagefile labels are now copied to plotfiles
272 * ctsim: Added more analyze menuitems
274 * ctsimtext: First version. All command-line tools are now accessed
275 through this master shell. Has both command-line and interactive
278 * ctsim: Fixed initialization of min/max bug for PlotFiles
280 * ezplot: Cleaned up y-tick label placement
282 * sgp: Added better support for projection/reconstruction animation
284 3.0.0alpha3 - Released 1/02/01
286 * ctsim: Added plotting of histograms
288 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
290 * ezplot.cpp: adjusted xtick label displays for better placement
292 3.0alpha2 - Released 1/02/01
294 * ctsim: All functions of command-line tools are now in graphical ctsim
296 * ctsim: added generation of filter images
298 * ctsim: Added 2-image math functions (mul, add, div, sub)
300 * ctsim: Added export of imagefiles to graphic file formats
302 * ctsim: Added support for scaling imagefiles in new sizes
304 * ctsim: Added ability to save standard phantom definitions as
305 text files suitable for reading.
307 * ctsim: Add labels for image transformations and display of labels
308 when performing properties of images.
310 * processsignal.cpp: Fixed "off by one" bug in
311 shuffleNaturalToFourierOrder when n is even. Moved functions to
314 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
315 image math functions to complex-valued math.
317 * phantom.cpp: Added ability to save phantom files as ASCII text.
319 3.0alpha1 - Released 12/29/00
321 * Added PlotFile class to system, used by if2 and ctsim for row
322 and column plots and comparison plots
324 * ctsim: Added image comparison statistics and image subtraction
326 * ctsim: Added plotting of rows & columns with y-axis scaling
328 * ctsim: Added row and column plot comparisons between two image
331 * ctsim: Added "Process" menu to image file display with math
332 functions. Added 2-dimensional inverse Fourier to math
333 functions. Added support for complex (real/imaginary) images.
335 * mathfuncs.cpp: Reworked statistics algorithm to share between
336 imagefile and plotfile classes.
338 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
339 nsamples > 2. Added generic mage math functions, moved from
340 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
343 * array2dfile.cpp: Added code to support complex (real/imaginary)
346 * if1: Updated to handle error conditions, such as sqrt of a
347 negative number. Converted to use new ImageFile math functions.
349 * if2: Updated to output plot files and use new ImageFile class
352 * if1: Updated to use new ImageFile class math functions
354 * ezplot: Reworked to better store colors/linestyles/symbols with
355 individual curves. Improved display of labels and ticks. Updated
356 to use POL class member variable. Updated to more C++ conventions.
358 * pol: converted to C++ class. Extracted HashTable to separate
361 * sgp: Added linestyle settings
364 First Microsoft Windows GUI version
365 Modifications for Microsoft Visual C++ compilation.
366 Improved pjinfo to output binary headers and view data, useful
367 when manually compiling phantoms that vary during projection
368 process. Thanks to Ian Kay for idea and code submission.
369 Improved sorting to find median in ImageFile::statistics
370 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
371 Changed reconstruction dialog to fix onto smaller screens
372 Fixed display of plotting in Projection views
373 Improved animation displays for Projections and Reconstructions
374 Changed code to explicitly use std:: namespace rather than
375 "namespace using std" statements
376 Fixed reconstruction scaling bug introduced in 2.0.6
377 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
380 Fixed minor compilation problem with procsignal.h
382 Fixed bug when simulating projections and Trace == CONSOLE
383 Fixed scaling bug when performing redundant rotations around object
386 Improved compilation on RedHat 7
387 Changed some of ANSI C header files to C++ header files
388 Removed README.RedHat7
391 Added documentation for --geometry setting
392 Added README.RedHat7 document
395 Fixed bug in generation of binary PGM files
396 Fixed MPI compilation bug in phm2pj.cpp
397 Inverted y-axis output for pj2if (bug alert from Ian Kay)
400 Additions to man pages (Ian Kay)
401 Fix problem with reading of ASCII phantom files (Ian Kay)
404 Fixed syntax error in fftw configuration
405 Slight modifications to support gcc v2.9.6
408 Version 2.0.0 released!
409 ctsim: Added Window menu to Main frame
410 ctsim: Disabled not support reconstruction method
411 Fixed obscure bug in sys_error
412 Fixed compilation in mingw environment not present
413 Fixed compilation in non-graphical environments
416 ctsim: Added animation of reconstruction
417 ctsim: Added saving of dialog parameters for Projection & Reconstruction
418 ctsim: Added progress dialog for rasterization of phantom
419 ctsim: used setpriority to set lower priority
420 ctsim: fixed pReconstruct not being deleted causing scaling problem
421 ctsim: fixed projection animation dialog buttons
424 ctsim: Added projection graph to animation of projection collection
425 ctsim: Added single stepping to projection collection animation
426 ctsim: improved File/Properties display for projection files
427 ctsim: Added progress dialog for reconstructions
428 ctsim: Added file labels for projection and reconstruction images
429 ctsim: Made File/Properties bring up modal dialogs
430 Added reconstruction for Equilinear and Equiangular geometries
431 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
432 Separated reconstruction into Reconstructor class
433 Fixed center of detector adjustment for even number of detectors
434 Added --enable-static to generate statically linked programs
437 ctsim: Added animation of projection collection processs
438 ctsim: Added Auto Scaling for image windows
439 ctsim: Change menus from "windowing" to "display scaling"
440 Added FieldOfView and FocalLength ratio parameters to projection collection
441 Added FocalLength & FieldOfView fields to projection data files
442 Added Projection collection for Equilinear and Equiangular geometries
443 Changed name of Rowland Phantom to correct name of Shepp-Logan
444 Fixed bug in backprojection selection
447 Added RCS Id strings to executable files
448 Added RPM Spec file for RPM package creation
449 Added loading of ASCII phanthom definitions from files
450 Fixed compilation for non-SGP architectures
451 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
452 Added Filter-Generation option to reconstruction to allow direct or
453 inverse_fourier construction of filters
454 Added median to statistics and to auto-windowing
457 Added line color support to SGP
461 Finished support for dmallocxx library
462 Fixed bug in SignalFilter::convertFilterMethodNameToID()
463 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
464 G2 windows and well as WXWindows.
465 ctsim program: "Create Phantom" now shows phantom object
466 Fixed row-plot bug in if-2
467 Reworked EZPlot's multiple plot operation
470 ctsim program: improved initial size and scroll area for image
472 ctsim program: added rasterization parameters, projections parameters,
473 and reconstruction parameters dialogs
474 Moved char[] static definition from header files to c++ files
475 Completely reorganized option processing in classes to improve
476 expandability and to assist ctsim graphical user interface.
479 ctsim program: Added dialog to set minimum/maximum display levels
480 Started ctsim.tex document file
483 Fixed compiler warnings at -Wall level
484 Began work on CTSim program to be graphical front-end of all functions
485 Moved current src/*.cpp to tools/*.cpp
486 Made CTSim graphical front-end's home to be src/
489 Added highly optimized backprojection method idiff3
490 Moved comparative stats to if-2 program from ifinfo
491 Fixed image display in if2img using G2 library
492 Added column-plot and row-plot options to if-2
493 Added autoselection of analytic/calculated spatial responses to SignalFilter
494 Added frequency-based preinterpolation to SignalFilter and idiff3
495 backprojection method. Currently, this technique is still under
496 development and debugging
497 Moved graphic file writing to ImageFile class from if2img program
500 Cleaned up SignalFilter class
501 Added zeropad option to pjrec
502 Added zeropad options to html and cgi files
503 Added fourier_table and rfttw filter methods
504 Added FFTW routines to use real/half-complex transformations
507 Updated trace level processing
508 Added trace level to SignalFilter
509 Fixed magnitude vs. real output bug in FFT/Fourier filter
512 Fixed const issue with ImageFileArray
513 Fixed Array2dFile::labelsCopy()
514 Added copy constructor and assignment for Array2dFileLabel class
515 Added Timer to if-2.cpp and ifinfo.cpp
516 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
517 Added option processing for filter-method for pjrec to choose
518 between convolution, dft, & fft filtering
519 Fixed format string for EZPlot so axis labels now print
520 Added support for FFTW library
523 Rewrote Array2dFile class to be non-templated
524 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
525 Rewrote Array2dFileLabel class to make members private, added access routines
526 Removed timedate.cpp in favor of standard C library time/date functions
527 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
528 Added signature tag and creation date/time to projection files
531 Standardized string option processing by classes. All classes use character strings
532 to select options rather than numeric constants. Added fail() and failMessage()
533 methods to verify that objects are created correctly by character strings.
534 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
535 Rewrote ImageFile class
536 Started support for dmallocxx library, not finished
537 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
538 Updated ifinfo to show comparative statistics
539 Added printLabels() to Array2dFile class
540 Added printStatistics() to ImageFile class
543 Moved conversion filter name/id to Filter class
544 Moved conversion backprojection name/id to Backproj class
545 Added MPI broadcasting of strings
548 Merged proj_reconstr into class Projections
549 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
550 Code cleanup in projections.cpp
551 Moved conversion of phantom names/id to Phantom class
554 Converted projection files to C++ library with frnetorderstream
555 Converted image files to C++ library with frnetorderstream
556 Converted filter and convolution to object-oriented code
557 Changed default image file to float from double -- Changable in imagefile.h
558 Optimized image file writing on little-endian architectures
559 Updated README and INSTALL
562 Reorganized source files
563 MPI bug fixed to phm2pj.cpp
566 Reorganized include files
567 Fixed const pointers in strfuncs
570 Renamed directories, moved source files, combined source files
571 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
575 Skip versions to make version 2.0 the first fully C++ version
576 Renamed Raysums to Projections throughout files
577 Renamed Detector to Scanner
578 Converted Scanner and Projecions to full object-oriented
581 Converted Phantom and PhantomElements to Object-Oriented
582 Converted Detector to Object-Oriented
585 Improved Integer backprojection method
586 Fixed nearest neighbor to be truly nearest neighbor
587 Made linear interpolation more integer arithmetic -> speed improvement
588 Finished converting all C files to C++
589 Converted all use of malloc/free to C++ new/delete
590 Began object-oriented conversion of Phantom and Projection structures
593 Converted MPI data structures to C++ object
594 Made ImageFile directly inherit from Array2dFile
597 First C++ conversions
598 Portable IF (image file) format implemented with objects (SDF removed)
599 - Now all data files are cross-platform compatible
600 Converted from MPI to MPI++
601 Converted backprojection to object-oriented
602 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
605 Simpilifed endian handling
608 Added support for 64-bit (IA64) CPU
609 Removed broken B-spline interpolation
610 Added support for cygwin platform under Windows 2000
611 Added support for 16-bit PNG graphics
614 Added compile-time configuration of endian order
617 Modified the raysum file format to be platform independent
620 Added Microsoft VC compatibility
621 Cleaned up compilation warnings in libgraph
624 Continued conversion to ANSI C
625 Removed old CRT routines
628 Renamed pictures to phantoms, objects to phantom elements
629 Continued code cleanup
632 More code cleanup with reorganizing libraries
633 Added --log and --exp to sdf-1
634 Allowed negative numbers for window levels in CGI interface
637 Continued code cleanup
641 Better documented, coded raysum in-memory on on-disk options
644 Cleaned out library that wasn't being used by CTSim
645 Modified ctsim.cgi to read in configuration file ctsim.conf
648 First open source distribution for GNU/Linux
651 Converted to GNU/Linux
652 added MPI support via LAM library
655 Developed under MS-DOS and IBM EGA graphics