1 Oct 18, 2006 Version 4.5.1
2 * configure: rebuild from configure.ac
4 Oct 15, 2006 Version 4.5.0
5 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
6 and simply computing rotScale -- thanks to Dan Martin.
8 Mar 16, 2006 Version 4.4.4
9 * Changes for g++ 4.1 support
11 Aug 22, 2005 Version 4.4.2
12 * New URL for downloading CTSim
14 Aug 22, 2005 Version 4.4.1
15 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
17 Aug 22, 2005 Version 4.4.0
18 * Changes in configure.ac for X.org compatibility with Debian Etch
19 and FC4. May not be backward compatibility with XFree86.
21 Aug 10, 2004 Version 4.3.2, Version 4.3.3
22 * Minor changes in man pages to fix groff warnings
24 Nov 1, 2003 Version 4.3.1
25 * Add support for SuSE AMD64
27 Oct 5, 2003 Version 4.3.0
28 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
29 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
31 Oct 3, 2003 Version 4.2.7
32 * Add support for building on RedHat AMD64
34 Sep 30, 2003 Version 4.2.7
35 * Fix minor issue with floating point difference backprojection, add
38 * Fix building with newest versions of automake 1.7
40 * Add support for 8-byte longs [for example, Athlon64] in
41 integer difference backprojection allowing for 64-bit integer
44 Mar 22, 2003 Version 4.2.3
46 * Added Fourier reconstruction method
48 * Support gcc 3.2, wxWindows 2.4, and MacOS X
50 * Fix polar interpolation
52 Jun 26, 2002 Version 3.5.6
54 * Fix minor color PNG image importing bug
56 * Bug fix for building on Debian alpha platform
58 * Fix g++ compilation warnings
60 Jun 13, 2002 Version 3.5.5
62 * Fix printing of version number
66 * Updated Win32 compatibility
68 Jun 8, 2002 Version 3.5.4
70 * Print version number in log window with About command
72 * Fix problem with captions not showing on some windows. Reworked
73 creation of new windows.
75 * Disabled status bar on 3d views
77 * Fix bug in configure.ac that prevented using compiler
80 * Updated About splash screen
82 May 29, 2002 Version 3.5.3
83 * Added support for g++ 3.04 compiler
85 May 8, 2002 Version 3.5.2
86 * configure: improved CTN (DICOM) installation search
87 * src/ctsim.cpp: Fixed initial image size with import command
89 May 5, 2002 Version 3.5.1
93 * ctsim: Added tips to be displayed at startup and via the help menu.
94 * ctsim: Added center-detector concept. Allow for detector array
95 to be any arbitrary distance from center of scanner. As a result,
96 projection files are not incompatible with previous version of
98 * ctsim: Added threaded tasks and background manager for
99 background processing as well as taking advantage of multiple-CPU's
100 on SMP systems. (Microsoft Windows only)
101 * ctsim: Added plot t-theta sampling to projection file menu.
102 * ctsim: Added Reconstruction with Rebinning for faster
103 divergent beam reconstructions.
104 * ctsim: Added import and export of DICOM image files.
105 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
106 * ctsim: Added FFT/IFFT of columns of image files.
107 * ctsim: Added clipboard cut/copy/paste for image files.
108 * ctsim: Added region of interest to reconstructions.
109 * ctsim: Added Convert Rectangular Image to Projection files
110 * ctsim: Added "Verbose Logging", "Startup Tips", and
111 "Background processes" options to Preferences dialog.
112 * ctsim: Added plotting of projection file histograms.
113 * plotfile: Added scattergram plot functions
114 * ctsim: Added accelerator key for File-Properties
115 * ctsim: Improved wireframe 3-d display to remove hidden
117 * backprojectors.cpp: Added setting of axis extent and increment
119 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
120 projection data files.
124 * views.cpp: reduced calls to progress bar update, significant speedup
125 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
126 not being displayed on Unix platforms.
127 * views.cpp: Added out-of-memory checks to display for huge
128 image and projection files.
129 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
130 * imagefile.cpp: Fixed scaling factor in fftRows
131 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
133 * sgp.cpp: Fixed bug in drawCircle.
134 * distribution: fixed problem with documentation files not
135 being included with the distribution (Reported by Ian Kay).
136 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
137 * fixed ctsimtext shell when giving no parameters to function-name
138 * phm2if, phm2pj: Updated help messages for renamed phantoms
140 3.0.3 - Released 2/20/01
142 * ctsim: Fixed core dump on Linux with OpenGL
144 * ctsim: Fixed context-sensitive help on Linux
146 * ctsim: Fixed About box on Linux
148 3.0.2 - Released 2/20/01
150 * scanner.cpp: Fixed bug when number of detectors was even.
152 * ctsim: Improved error handling when trying to convert
153 divergent projections into polar form.
155 3.0.1 - Released 2/19/01
157 * ctsim: Fixed dialog box for reconstruction so that
158 rotation angle setting will stay fixed in-between use
161 * syserror: Fixed display bug for trace messages
163 * ctsim: MSVC optimization bug work-around, compiler
166 3.0.0 - Released 2/19/01
168 * ctsim: Massive update/fix to online help and print manual.
170 * ctsim: Added context-sensitive help to dialog boxes
172 * ctsim: Reformated all dialog boxes, much nicer now.
174 * ctsim: Improved accelerator key handling
176 * global: Added Hanning filter.
178 * global: Improved default parameters to that all defaults give
181 3.0.0beta1 - Released 2/11/01
183 * ctsim: Added most-recently-used files to File menu with
184 registry storage between executions.
186 * ctsim: Hides arcane features unless enabled by Preferences dialog
188 * ctsim: Added MDI interface for Windows version and made it default for Windows.
190 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
192 * ctsim: Added graphical About box
194 * ctsim: Escape key now removes cursor lines from image file view
196 * ctsim: Added Revert to ImageFile menu
198 * ctsim: Added accelerator (hotkeys) to frames
200 * ctsim: Online help added!
202 * backprojector: Added cubic interpolation
204 * ctsim: Added icons to Frames on X-Window and MS Windows versions
206 * ctsim: Fixed tick-label placement for plots on projection and
207 reconstruction dialogs.
209 * timer.h: Add use of _ftime when compiling on MSVC
211 * global: Projection files are not compatible with previous version
212 due to new scanner definitions.
214 * global: deleted concept of field-of-view and added
215 view ratio and scan ratio concepts.
217 * ctsim: Fixed crash on shutdown bug
219 * pjinfo: Fixed bug when doing --dump and not specifing --endview
221 * phm2pj: Fixed MPI bug with broadcasting of variables
223 * ctsimtext-lam: Changes for first version to compile under lam
226 3.0.0alpha5 - Released 1/12/00
228 * ctsim: Added EZPlotDialog, used by debugging plots in
231 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
232 bug in parsing command-line parameters.
234 * views.cpp: Fixed bug in copying of labels from images to
237 * syserror.cpp: fixed reporting for fatal errors
239 * projections.cpp: fixed MSVC failure with std:: namespace
241 * procsignal.cpp: fixed bug in equiangular reconstructions
242 for frequency/inverse-fourier filtering
244 3.0.0alpha4 - Released 1/09/01
246 * ctsim: Added reset to full-intensity scale menu item
248 * ctsim: Add conversion of projections to polar plot [Thanks to
249 Ian Kay for reference and math hints in polar bilinear scaling]
251 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
254 * ctsim: imagefile labels are now copied to plotfiles
256 * ctsim: Added more analyze menuitems
258 * ctsimtext: First version. All command-line tools are now accessed
259 through this master shell. Has both command-line and interactive
262 * ctsim: Fixed initialization of min/max bug for PlotFiles
264 * ezplot: Cleaned up y-tick label placement
266 * sgp: Added better support for projection/reconstruction animation
268 3.0.0alpha3 - Released 1/02/01
270 * ctsim: Added plotting of histograms
272 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
274 * ezplot.cpp: adjusted xtick label displays for better placement
276 3.0alpha2 - Released 1/02/01
278 * ctsim: All functions of command-line tools are now in graphical ctsim
280 * ctsim: added generation of filter images
282 * ctsim: Added 2-image math functions (mul, add, div, sub)
284 * ctsim: Added export of imagefiles to graphic file formats
286 * ctsim: Added support for scaling imagefiles in new sizes
288 * ctsim: Added ability to save standard phantom definitions as
289 text files suitable for reading.
291 * ctsim: Add labels for image transformations and display of labels
292 when performing properties of images.
294 * processsignal.cpp: Fixed "off by one" bug in
295 shuffleNaturalToFourierOrder when n is even. Moved functions to
298 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
299 image math functions to complex-valued math.
301 * phantom.cpp: Added ability to save phantom files as ASCII text.
303 3.0alpha1 - Released 12/29/00
305 * Added PlotFile class to system, used by if2 and ctsim for row
306 and column plots and comparison plots
308 * ctsim: Added image comparison statistics and image subtraction
310 * ctsim: Added plotting of rows & columns with y-axis scaling
312 * ctsim: Added row and column plot comparisons between two image
315 * ctsim: Added "Process" menu to image file display with math
316 functions. Added 2-dimensional inverse Fourier to math
317 functions. Added support for complex (real/imaginary) images.
319 * mathfuncs.cpp: Reworked statistics algorithm to share between
320 imagefile and plotfile classes.
322 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
323 nsamples > 2. Added generic mage math functions, moved from
324 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
327 * array2dfile.cpp: Added code to support complex (real/imaginary)
330 * if1: Updated to handle error conditions, such as sqrt of a
331 negative number. Converted to use new ImageFile math functions.
333 * if2: Updated to output plot files and use new ImageFile class
336 * if1: Updated to use new ImageFile class math functions
338 * ezplot: Reworked to better store colors/linestyles/symbols with
339 individual curves. Improved display of labels and ticks. Updated
340 to use POL class member variable. Updated to more C++ conventions.
342 * pol: converted to C++ class. Extracted HashTable to separate
345 * sgp: Added linestyle settings
348 First Microsoft Windows GUI version
349 Modifications for Microsoft Visual C++ compilation.
350 Improved pjinfo to output binary headers and view data, useful
351 when manually compiling phantoms that vary during projection
352 process. Thanks to Ian Kay for idea and code submission.
353 Improved sorting to find median in ImageFile::statistics
354 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
355 Changed reconstruction dialog to fix onto smaller screens
356 Fixed display of plotting in Projection views
357 Improved animation displays for Projections and Reconstructions
358 Changed code to explicitly use std:: namespace rather than
359 "namespace using std" statements
360 Fixed reconstruction scaling bug introduced in 2.0.6
361 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
364 Fixed minor compilation problem with procsignal.h
366 Fixed bug when simulating projections and Trace == CONSOLE
367 Fixed scaling bug when performing redundant rotations around object
370 Improved compilation on RedHat 7
371 Changed some of ANSI C header files to C++ header files
372 Removed README.RedHat7
375 Added documentation for --geometry setting
376 Added README.RedHat7 document
379 Fixed bug in generation of binary PGM files
380 Fixed MPI compilation bug in phm2pj.cpp
381 Inverted y-axis output for pj2if (bug alert from Ian Kay)
384 Additions to man pages (Ian Kay)
385 Fix problem with reading of ASCII phantom files (Ian Kay)
388 Fixed syntax error in fftw configuration
389 Slight modifications to support gcc v2.9.6
392 Version 2.0.0 released!
393 ctsim: Added Window menu to Main frame
394 ctsim: Disabled not support reconstruction method
395 Fixed obscure bug in sys_error
396 Fixed compilation in mingw environment not present
397 Fixed compilation in non-graphical environments
400 ctsim: Added animation of reconstruction
401 ctsim: Added saving of dialog parameters for Projection & Reconstruction
402 ctsim: Added progress dialog for rasterization of phantom
403 ctsim: used setpriority to set lower priority
404 ctsim: fixed pReconstruct not being deleted causing scaling problem
405 ctsim: fixed projection animation dialog buttons
408 ctsim: Added projection graph to animation of projection collection
409 ctsim: Added single stepping to projection collection animation
410 ctsim: improved File/Properties display for projection files
411 ctsim: Added progress dialog for reconstructions
412 ctsim: Added file labels for projection and reconstruction images
413 ctsim: Made File/Properties bring up modal dialogs
414 Added reconstruction for Equilinear and Equiangular geometries
415 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
416 Separated reconstruction into Reconstructor class
417 Fixed center of detector adjustment for even number of detectors
418 Added --enable-static to generate statically linked programs
421 ctsim: Added animation of projection collection processs
422 ctsim: Added Auto Scaling for image windows
423 ctsim: Change menus from "windowing" to "display scaling"
424 Added FieldOfView and FocalLength ratio parameters to projection collection
425 Added FocalLength & FieldOfView fields to projection data files
426 Added Projection collection for Equilinear and Equiangular geometries
427 Changed name of Rowland Phantom to correct name of Shepp-Logan
428 Fixed bug in backprojection selection
431 Added RCS Id strings to executable files
432 Added RPM Spec file for RPM package creation
433 Added loading of ASCII phanthom definitions from files
434 Fixed compilation for non-SGP architectures
435 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
436 Added Filter-Generation option to reconstruction to allow direct or
437 inverse_fourier construction of filters
438 Added median to statistics and to auto-windowing
441 Added line color support to SGP
445 Finished support for dmallocxx library
446 Fixed bug in SignalFilter::convertFilterMethodNameToID()
447 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
448 G2 windows and well as WXWindows.
449 ctsim program: "Create Phantom" now shows phantom object
450 Fixed row-plot bug in if-2
451 Reworked EZPlot's multiple plot operation
454 ctsim program: improved initial size and scroll area for image
456 ctsim program: added rasterization parameters, projections parameters,
457 and reconstruction parameters dialogs
458 Moved char[] static definition from header files to c++ files
459 Completely reorganized option processing in classes to improve
460 expandability and to assist ctsim graphical user interface.
463 ctsim program: Added dialog to set minimum/maximum display levels
464 Started ctsim.tex document file
467 Fixed compiler warnings at -Wall level
468 Began work on CTSim program to be graphical front-end of all functions
469 Moved current src/*.cpp to tools/*.cpp
470 Made CTSim graphical front-end's home to be src/
473 Added highly optimized backprojection method idiff3
474 Moved comparative stats to if-2 program from ifinfo
475 Fixed image display in if2img using G2 library
476 Added column-plot and row-plot options to if-2
477 Added autoselection of analytic/calculated spatial responses to SignalFilter
478 Added frequency-based preinterpolation to SignalFilter and idiff3
479 backprojection method. Currently, this technique is still under
480 development and debugging
481 Moved graphic file writing to ImageFile class from if2img program
484 Cleaned up SignalFilter class
485 Added zeropad option to pjrec
486 Added zeropad options to html and cgi files
487 Added fourier_table and rfttw filter methods
488 Added FFTW routines to use real/half-complex transformations
491 Updated trace level processing
492 Added trace level to SignalFilter
493 Fixed magnitude vs. real output bug in FFT/Fourier filter
496 Fixed const issue with ImageFileArray
497 Fixed Array2dFile::labelsCopy()
498 Added copy constructor and assignment for Array2dFileLabel class
499 Added Timer to if-2.cpp and ifinfo.cpp
500 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
501 Added option processing for filter-method for pjrec to choose
502 between convolution, dft, & fft filtering
503 Fixed format string for EZPlot so axis labels now print
504 Added support for FFTW library
507 Rewrote Array2dFile class to be non-templated
508 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
509 Rewrote Array2dFileLabel class to make members private, added access routines
510 Removed timedate.cpp in favor of standard C library time/date functions
511 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
512 Added signature tag and creation date/time to projection files
515 Standardized string option processing by classes. All classes use character strings
516 to select options rather than numeric constants. Added fail() and failMessage()
517 methods to verify that objects are created correctly by character strings.
518 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
519 Rewrote ImageFile class
520 Started support for dmallocxx library, not finished
521 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
522 Updated ifinfo to show comparative statistics
523 Added printLabels() to Array2dFile class
524 Added printStatistics() to ImageFile class
527 Moved conversion filter name/id to Filter class
528 Moved conversion backprojection name/id to Backproj class
529 Added MPI broadcasting of strings
532 Merged proj_reconstr into class Projections
533 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
534 Code cleanup in projections.cpp
535 Moved conversion of phantom names/id to Phantom class
538 Converted projection files to C++ library with frnetorderstream
539 Converted image files to C++ library with frnetorderstream
540 Converted filter and convolution to object-oriented code
541 Changed default image file to float from double -- Changable in imagefile.h
542 Optimized image file writing on little-endian architectures
543 Updated README and INSTALL
546 Reorganized source files
547 MPI bug fixed to phm2pj.cpp
550 Reorganized include files
551 Fixed const pointers in strfuncs
554 Renamed directories, moved source files, combined source files
555 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
559 Skip versions to make version 2.0 the first fully C++ version
560 Renamed Raysums to Projections throughout files
561 Renamed Detector to Scanner
562 Converted Scanner and Projecions to full object-oriented
565 Converted Phantom and PhantomElements to Object-Oriented
566 Converted Detector to Object-Oriented
569 Improved Integer backprojection method
570 Fixed nearest neighbor to be truly nearest neighbor
571 Made linear interpolation more integer arithmetic -> speed improvement
572 Finished converting all C files to C++
573 Converted all use of malloc/free to C++ new/delete
574 Began object-oriented conversion of Phantom and Projection structures
577 Converted MPI data structures to C++ object
578 Made ImageFile directly inherit from Array2dFile
581 First C++ conversions
582 Portable IF (image file) format implemented with objects (SDF removed)
583 - Now all data files are cross-platform compatible
584 Converted from MPI to MPI++
585 Converted backprojection to object-oriented
586 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
589 Simpilifed endian handling
592 Added support for 64-bit (IA64) CPU
593 Removed broken B-spline interpolation
594 Added support for cygwin platform under Windows 2000
595 Added support for 16-bit PNG graphics
598 Added compile-time configuration of endian order
601 Modified the raysum file format to be platform independent
604 Added Microsoft VC compatibility
605 Cleaned up compilation warnings in libgraph
608 Continued conversion to ANSI C
609 Removed old CRT routines
612 Renamed pictures to phantoms, objects to phantom elements
613 Continued code cleanup
616 More code cleanup with reorganizing libraries
617 Added --log and --exp to sdf-1
618 Allowed negative numbers for window levels in CGI interface
621 Continued code cleanup
625 Better documented, coded raysum in-memory on on-disk options
628 Cleaned out library that wasn't being used by CTSim
629 Modified ctsim.cgi to read in configuration file ctsim.conf
632 First open source distribution for GNU/Linux
635 Converted to GNU/Linux
636 added MPI support via LAM library
639 Developed under MS-DOS and IBM EGA graphics