1 Aug 22, 2005 Version 4.4.1
2 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
4 Aug 22, 2005 Version 4.4.0
5 * Changes in configure.ac for X.org compatibility with Debian Etch
6 and FC4. May not be backward compatibility with XFree86.
8 Aug 10, 2004 Version 4.3.2, Version 4.3.3
9 * Minor changes in man pages to fix groff warnings
11 Nov 1, 2003 Version 4.3.1
12 * Add support for SuSE AMD64
14 Oct 5, 2003 Version 4.3.0
15 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
16 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
18 Oct 3, 2003 Version 4.2.7
19 * Add support for building on RedHat AMD64
21 Sep 30, 2003 Version 4.2.7
22 * Fix minor issue with floating point difference backprojection, add
25 * Fix building with newest versions of automake 1.7
27 * Add support for 8-byte longs [for example, Athlon64] in
28 integer difference backprojection allowing for 64-bit integer
31 Mar 22, 2003 Version 4.2.3
33 * Added Fourier reconstruction method
35 * Support gcc 3.2, wxWindows 2.4, and MacOS X
37 * Fix polar interpolation
39 Jun 26, 2002 Version 3.5.6
41 * Fix minor color PNG image importing bug
43 * Bug fix for building on Debian alpha platform
45 * Fix g++ compilation warnings
47 Jun 13, 2002 Version 3.5.5
49 * Fix printing of version number
53 * Updated Win32 compatibility
55 Jun 8, 2002 Version 3.5.4
57 * Print version number in log window with About command
59 * Fix problem with captions not showing on some windows. Reworked
60 creation of new windows.
62 * Disabled status bar on 3d views
64 * Fix bug in configure.ac that prevented using compiler
67 * Updated About splash screen
69 May 29, 2002 Version 3.5.3
70 * Added support for g++ 3.04 compiler
72 May 8, 2002 Version 3.5.2
73 * configure: improved CTN (DICOM) installation search
74 * src/ctsim.cpp: Fixed initial image size with import command
76 May 5, 2002 Version 3.5.1
80 * ctsim: Added tips to be displayed at startup and via the help menu.
81 * ctsim: Added center-detector concept. Allow for detector array
82 to be any arbitrary distance from center of scanner. As a result,
83 projection files are not incompatible with previous version of
85 * ctsim: Added threaded tasks and background manager for
86 background processing as well as taking advantage of multiple-CPU's
87 on SMP systems. (Microsoft Windows only)
88 * ctsim: Added plot t-theta sampling to projection file menu.
89 * ctsim: Added Reconstruction with Rebinning for faster
90 divergent beam reconstructions.
91 * ctsim: Added import and export of DICOM image files.
92 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
93 * ctsim: Added FFT/IFFT of columns of image files.
94 * ctsim: Added clipboard cut/copy/paste for image files.
95 * ctsim: Added region of interest to reconstructions.
96 * ctsim: Added Convert Rectangular Image to Projection files
97 * ctsim: Added "Verbose Logging", "Startup Tips", and
98 "Background processes" options to Preferences dialog.
99 * ctsim: Added plotting of projection file histograms.
100 * plotfile: Added scattergram plot functions
101 * ctsim: Added accelerator key for File-Properties
102 * ctsim: Improved wireframe 3-d display to remove hidden
104 * backprojectors.cpp: Added setting of axis extent and increment
106 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
107 projection data files.
111 * views.cpp: reduced calls to progress bar update, significant speedup
112 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
113 not being displayed on Unix platforms.
114 * views.cpp: Added out-of-memory checks to display for huge
115 image and projection files.
116 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
117 * imagefile.cpp: Fixed scaling factor in fftRows
118 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
120 * sgp.cpp: Fixed bug in drawCircle.
121 * distribution: fixed problem with documentation files not
122 being included with the distribution (Reported by Ian Kay).
123 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
124 * fixed ctsimtext shell when giving no parameters to function-name
125 * phm2if, phm2pj: Updated help messages for renamed phantoms
127 3.0.3 - Released 2/20/01
129 * ctsim: Fixed core dump on Linux with OpenGL
131 * ctsim: Fixed context-sensitive help on Linux
133 * ctsim: Fixed About box on Linux
135 3.0.2 - Released 2/20/01
137 * scanner.cpp: Fixed bug when number of detectors was even.
139 * ctsim: Improved error handling when trying to convert
140 divergent projections into polar form.
142 3.0.1 - Released 2/19/01
144 * ctsim: Fixed dialog box for reconstruction so that
145 rotation angle setting will stay fixed in-between use
148 * syserror: Fixed display bug for trace messages
150 * ctsim: MSVC optimization bug work-around, compiler
153 3.0.0 - Released 2/19/01
155 * ctsim: Massive update/fix to online help and print manual.
157 * ctsim: Added context-sensitive help to dialog boxes
159 * ctsim: Reformated all dialog boxes, much nicer now.
161 * ctsim: Improved accelerator key handling
163 * global: Added Hanning filter.
165 * global: Improved default parameters to that all defaults give
168 3.0.0beta1 - Released 2/11/01
170 * ctsim: Added most-recently-used files to File menu with
171 registry storage between executions.
173 * ctsim: Hides arcane features unless enabled by Preferences dialog
175 * ctsim: Added MDI interface for Windows version and made it default for Windows.
177 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
179 * ctsim: Added graphical About box
181 * ctsim: Escape key now removes cursor lines from image file view
183 * ctsim: Added Revert to ImageFile menu
185 * ctsim: Added accelerator (hotkeys) to frames
187 * ctsim: Online help added!
189 * backprojector: Added cubic interpolation
191 * ctsim: Added icons to Frames on X-Window and MS Windows versions
193 * ctsim: Fixed tick-label placement for plots on projection and
194 reconstruction dialogs.
196 * timer.h: Add use of _ftime when compiling on MSVC
198 * global: Projection files are not compatible with previous version
199 due to new scanner definitions.
201 * global: deleted concept of field-of-view and added
202 view ratio and scan ratio concepts.
204 * ctsim: Fixed crash on shutdown bug
206 * pjinfo: Fixed bug when doing --dump and not specifing --endview
208 * phm2pj: Fixed MPI bug with broadcasting of variables
210 * ctsimtext-lam: Changes for first version to compile under lam
213 3.0.0alpha5 - Released 1/12/00
215 * ctsim: Added EZPlotDialog, used by debugging plots in
218 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
219 bug in parsing command-line parameters.
221 * views.cpp: Fixed bug in copying of labels from images to
224 * syserror.cpp: fixed reporting for fatal errors
226 * projections.cpp: fixed MSVC failure with std:: namespace
228 * procsignal.cpp: fixed bug in equiangular reconstructions
229 for frequency/inverse-fourier filtering
231 3.0.0alpha4 - Released 1/09/01
233 * ctsim: Added reset to full-intensity scale menu item
235 * ctsim: Add conversion of projections to polar plot [Thanks to
236 Ian Kay for reference and math hints in polar bilinear scaling]
238 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
241 * ctsim: imagefile labels are now copied to plotfiles
243 * ctsim: Added more analyze menuitems
245 * ctsimtext: First version. All command-line tools are now accessed
246 through this master shell. Has both command-line and interactive
249 * ctsim: Fixed initialization of min/max bug for PlotFiles
251 * ezplot: Cleaned up y-tick label placement
253 * sgp: Added better support for projection/reconstruction animation
255 3.0.0alpha3 - Released 1/02/01
257 * ctsim: Added plotting of histograms
259 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
261 * ezplot.cpp: adjusted xtick label displays for better placement
263 3.0alpha2 - Released 1/02/01
265 * ctsim: All functions of command-line tools are now in graphical ctsim
267 * ctsim: added generation of filter images
269 * ctsim: Added 2-image math functions (mul, add, div, sub)
271 * ctsim: Added export of imagefiles to graphic file formats
273 * ctsim: Added support for scaling imagefiles in new sizes
275 * ctsim: Added ability to save standard phantom definitions as
276 text files suitable for reading.
278 * ctsim: Add labels for image transformations and display of labels
279 when performing properties of images.
281 * processsignal.cpp: Fixed "off by one" bug in
282 shuffleNaturalToFourierOrder when n is even. Moved functions to
285 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
286 image math functions to complex-valued math.
288 * phantom.cpp: Added ability to save phantom files as ASCII text.
290 3.0alpha1 - Released 12/29/00
292 * Added PlotFile class to system, used by if2 and ctsim for row
293 and column plots and comparison plots
295 * ctsim: Added image comparison statistics and image subtraction
297 * ctsim: Added plotting of rows & columns with y-axis scaling
299 * ctsim: Added row and column plot comparisons between two image
302 * ctsim: Added "Process" menu to image file display with math
303 functions. Added 2-dimensional inverse Fourier to math
304 functions. Added support for complex (real/imaginary) images.
306 * mathfuncs.cpp: Reworked statistics algorithm to share between
307 imagefile and plotfile classes.
309 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
310 nsamples > 2. Added generic mage math functions, moved from
311 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
314 * array2dfile.cpp: Added code to support complex (real/imaginary)
317 * if1: Updated to handle error conditions, such as sqrt of a
318 negative number. Converted to use new ImageFile math functions.
320 * if2: Updated to output plot files and use new ImageFile class
323 * if1: Updated to use new ImageFile class math functions
325 * ezplot: Reworked to better store colors/linestyles/symbols with
326 individual curves. Improved display of labels and ticks. Updated
327 to use POL class member variable. Updated to more C++ conventions.
329 * pol: converted to C++ class. Extracted HashTable to separate
332 * sgp: Added linestyle settings
335 First Microsoft Windows GUI version
336 Modifications for Microsoft Visual C++ compilation.
337 Improved pjinfo to output binary headers and view data, useful
338 when manually compiling phantoms that vary during projection
339 process. Thanks to Ian Kay for idea and code submission.
340 Improved sorting to find median in ImageFile::statistics
341 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
342 Changed reconstruction dialog to fix onto smaller screens
343 Fixed display of plotting in Projection views
344 Improved animation displays for Projections and Reconstructions
345 Changed code to explicitly use std:: namespace rather than
346 "namespace using std" statements
347 Fixed reconstruction scaling bug introduced in 2.0.6
348 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
351 Fixed minor compilation problem with procsignal.h
353 Fixed bug when simulating projections and Trace == CONSOLE
354 Fixed scaling bug when performing redundant rotations around object
357 Improved compilation on RedHat 7
358 Changed some of ANSI C header files to C++ header files
359 Removed README.RedHat7
362 Added documentation for --geometry setting
363 Added README.RedHat7 document
366 Fixed bug in generation of binary PGM files
367 Fixed MPI compilation bug in phm2pj.cpp
368 Inverted y-axis output for pj2if (bug alert from Ian Kay)
371 Additions to man pages (Ian Kay)
372 Fix problem with reading of ASCII phantom files (Ian Kay)
375 Fixed syntax error in fftw configuration
376 Slight modifications to support gcc v2.9.6
379 Version 2.0.0 released!
380 ctsim: Added Window menu to Main frame
381 ctsim: Disabled not support reconstruction method
382 Fixed obscure bug in sys_error
383 Fixed compilation in mingw environment not present
384 Fixed compilation in non-graphical environments
387 ctsim: Added animation of reconstruction
388 ctsim: Added saving of dialog parameters for Projection & Reconstruction
389 ctsim: Added progress dialog for rasterization of phantom
390 ctsim: used setpriority to set lower priority
391 ctsim: fixed pReconstruct not being deleted causing scaling problem
392 ctsim: fixed projection animation dialog buttons
395 ctsim: Added projection graph to animation of projection collection
396 ctsim: Added single stepping to projection collection animation
397 ctsim: improved File/Properties display for projection files
398 ctsim: Added progress dialog for reconstructions
399 ctsim: Added file labels for projection and reconstruction images
400 ctsim: Made File/Properties bring up modal dialogs
401 Added reconstruction for Equilinear and Equiangular geometries
402 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
403 Separated reconstruction into Reconstructor class
404 Fixed center of detector adjustment for even number of detectors
405 Added --enable-static to generate statically linked programs
408 ctsim: Added animation of projection collection processs
409 ctsim: Added Auto Scaling for image windows
410 ctsim: Change menus from "windowing" to "display scaling"
411 Added FieldOfView and FocalLength ratio parameters to projection collection
412 Added FocalLength & FieldOfView fields to projection data files
413 Added Projection collection for Equilinear and Equiangular geometries
414 Changed name of Rowland Phantom to correct name of Shepp-Logan
415 Fixed bug in backprojection selection
418 Added RCS Id strings to executable files
419 Added RPM Spec file for RPM package creation
420 Added loading of ASCII phanthom definitions from files
421 Fixed compilation for non-SGP architectures
422 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
423 Added Filter-Generation option to reconstruction to allow direct or
424 inverse_fourier construction of filters
425 Added median to statistics and to auto-windowing
428 Added line color support to SGP
432 Finished support for dmallocxx library
433 Fixed bug in SignalFilter::convertFilterMethodNameToID()
434 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
435 G2 windows and well as WXWindows.
436 ctsim program: "Create Phantom" now shows phantom object
437 Fixed row-plot bug in if-2
438 Reworked EZPlot's multiple plot operation
441 ctsim program: improved initial size and scroll area for image
443 ctsim program: added rasterization parameters, projections parameters,
444 and reconstruction parameters dialogs
445 Moved char[] static definition from header files to c++ files
446 Completely reorganized option processing in classes to improve
447 expandability and to assist ctsim graphical user interface.
450 ctsim program: Added dialog to set minimum/maximum display levels
451 Started ctsim.tex document file
454 Fixed compiler warnings at -Wall level
455 Began work on CTSim program to be graphical front-end of all functions
456 Moved current src/*.cpp to tools/*.cpp
457 Made CTSim graphical front-end's home to be src/
460 Added highly optimized backprojection method idiff3
461 Moved comparative stats to if-2 program from ifinfo
462 Fixed image display in if2img using G2 library
463 Added column-plot and row-plot options to if-2
464 Added autoselection of analytic/calculated spatial responses to SignalFilter
465 Added frequency-based preinterpolation to SignalFilter and idiff3
466 backprojection method. Currently, this technique is still under
467 development and debugging
468 Moved graphic file writing to ImageFile class from if2img program
471 Cleaned up SignalFilter class
472 Added zeropad option to pjrec
473 Added zeropad options to html and cgi files
474 Added fourier_table and rfttw filter methods
475 Added FFTW routines to use real/half-complex transformations
478 Updated trace level processing
479 Added trace level to SignalFilter
480 Fixed magnitude vs. real output bug in FFT/Fourier filter
483 Fixed const issue with ImageFileArray
484 Fixed Array2dFile::labelsCopy()
485 Added copy constructor and assignment for Array2dFileLabel class
486 Added Timer to if-2.cpp and ifinfo.cpp
487 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
488 Added option processing for filter-method for pjrec to choose
489 between convolution, dft, & fft filtering
490 Fixed format string for EZPlot so axis labels now print
491 Added support for FFTW library
494 Rewrote Array2dFile class to be non-templated
495 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
496 Rewrote Array2dFileLabel class to make members private, added access routines
497 Removed timedate.cpp in favor of standard C library time/date functions
498 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
499 Added signature tag and creation date/time to projection files
502 Standardized string option processing by classes. All classes use character strings
503 to select options rather than numeric constants. Added fail() and failMessage()
504 methods to verify that objects are created correctly by character strings.
505 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
506 Rewrote ImageFile class
507 Started support for dmallocxx library, not finished
508 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
509 Updated ifinfo to show comparative statistics
510 Added printLabels() to Array2dFile class
511 Added printStatistics() to ImageFile class
514 Moved conversion filter name/id to Filter class
515 Moved conversion backprojection name/id to Backproj class
516 Added MPI broadcasting of strings
519 Merged proj_reconstr into class Projections
520 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
521 Code cleanup in projections.cpp
522 Moved conversion of phantom names/id to Phantom class
525 Converted projection files to C++ library with frnetorderstream
526 Converted image files to C++ library with frnetorderstream
527 Converted filter and convolution to object-oriented code
528 Changed default image file to float from double -- Changable in imagefile.h
529 Optimized image file writing on little-endian architectures
530 Updated README and INSTALL
533 Reorganized source files
534 MPI bug fixed to phm2pj.cpp
537 Reorganized include files
538 Fixed const pointers in strfuncs
541 Renamed directories, moved source files, combined source files
542 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
546 Skip versions to make version 2.0 the first fully C++ version
547 Renamed Raysums to Projections throughout files
548 Renamed Detector to Scanner
549 Converted Scanner and Projecions to full object-oriented
552 Converted Phantom and PhantomElements to Object-Oriented
553 Converted Detector to Object-Oriented
556 Improved Integer backprojection method
557 Fixed nearest neighbor to be truly nearest neighbor
558 Made linear interpolation more integer arithmetic -> speed improvement
559 Finished converting all C files to C++
560 Converted all use of malloc/free to C++ new/delete
561 Began object-oriented conversion of Phantom and Projection structures
564 Converted MPI data structures to C++ object
565 Made ImageFile directly inherit from Array2dFile
568 First C++ conversions
569 Portable IF (image file) format implemented with objects (SDF removed)
570 - Now all data files are cross-platform compatible
571 Converted from MPI to MPI++
572 Converted backprojection to object-oriented
573 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
576 Simpilifed endian handling
579 Added support for 64-bit (IA64) CPU
580 Removed broken B-spline interpolation
581 Added support for cygwin platform under Windows 2000
582 Added support for 16-bit PNG graphics
585 Added compile-time configuration of endian order
588 Modified the raysum file format to be platform independent
591 Added Microsoft VC compatibility
592 Cleaned up compilation warnings in libgraph
595 Continued conversion to ANSI C
596 Removed old CRT routines
599 Renamed pictures to phantoms, objects to phantom elements
600 Continued code cleanup
603 More code cleanup with reorganizing libraries
604 Added --log and --exp to sdf-1
605 Allowed negative numbers for window levels in CGI interface
608 Continued code cleanup
612 Better documented, coded raysum in-memory on on-disk options
615 Cleaned out library that wasn't being used by CTSim
616 Modified ctsim.cgi to read in configuration file ctsim.conf
619 First open source distribution for GNU/Linux
622 Converted to GNU/Linux
623 added MPI support via LAM library
626 Developed under MS-DOS and IBM EGA graphics