1 Nove 1, 2003 Version 4.3.1
2 * Add support for SuSE AMD64
5 Oct 5, 2003 Version 4.3.0
6 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
7 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
9 Oct 3, 2003 Version 4.2.7
10 * Add support for building on RedHat AMD64
12 Sep 30, 2003 Version 4.2.7
13 * Fix minor issue with floating point difference backprojection, add
16 * Fix building with newest versions of automake 1.7
18 * Add support for 8-byte longs [for example, Athlon64] in
19 integer difference backprojection allowing for 64-bit integer
22 Mar 22, 2003 Version 4.2.3
24 * Added Fourier reconstruction method
26 * Support gcc 3.2, wxWindows 2.4, and MacOS X
28 * Fix polar interpolation
30 Jun 26, 2002 Version 3.5.6
32 * Fix minor color PNG image importing bug
34 * Bug fix for building on Debian alpha platform
36 * Fix g++ compilation warnings
38 Jun 13, 2002 Version 3.5.5
40 * Fix printing of version number
44 * Updated Win32 compatibility
46 Jun 8, 2002 Version 3.5.4
48 * Print version number in log window with About command
50 * Fix problem with captions not showing on some windows. Reworked
51 creation of new windows.
53 * Disabled status bar on 3d views
55 * Fix bug in configure.ac that prevented using compiler
58 * Updated About splash screen
60 May 29, 2002 Version 3.5.3
61 * Added support for g++ 3.04 compiler
63 May 8, 2002 Version 3.5.2
64 * configure: improved CTN (DICOM) installation search
65 * src/ctsim.cpp: Fixed initial image size with import command
67 May 5, 2002 Version 3.5.1
71 * ctsim: Added tips to be displayed at startup and via the help menu.
72 * ctsim: Added center-detector concept. Allow for detector array
73 to be any arbitrary distance from center of scanner. As a result,
74 projection files are not incompatible with previous version of
76 * ctsim: Added threaded tasks and background manager for
77 background processing as well as taking advantage of multiple-CPU's
78 on SMP systems. (Microsoft Windows only)
79 * ctsim: Added plot t-theta sampling to projection file menu.
80 * ctsim: Added Reconstruction with Rebinning for faster
81 divergent beam reconstructions.
82 * ctsim: Added import and export of DICOM image files.
83 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
84 * ctsim: Added FFT/IFFT of columns of image files.
85 * ctsim: Added clipboard cut/copy/paste for image files.
86 * ctsim: Added region of interest to reconstructions.
87 * ctsim: Added Convert Rectangular Image to Projection files
88 * ctsim: Added "Verbose Logging", "Startup Tips", and
89 "Background processes" options to Preferences dialog.
90 * ctsim: Added plotting of projection file histograms.
91 * plotfile: Added scattergram plot functions
92 * ctsim: Added accelerator key for File-Properties
93 * ctsim: Improved wireframe 3-d display to remove hidden
95 * backprojectors.cpp: Added setting of axis extent and increment
97 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
98 projection data files.
102 * views.cpp: reduced calls to progress bar update, significant speedup
103 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
104 not being displayed on Unix platforms.
105 * views.cpp: Added out-of-memory checks to display for huge
106 image and projection files.
107 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
108 * imagefile.cpp: Fixed scaling factor in fftRows
109 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
111 * sgp.cpp: Fixed bug in drawCircle.
112 * distribution: fixed problem with documentation files not
113 being included with the distribution (Reported by Ian Kay).
114 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
115 * fixed ctsimtext shell when giving no parameters to function-name
116 * phm2if, phm2pj: Updated help messages for renamed phantoms
118 3.0.3 - Released 2/20/01
120 * ctsim: Fixed core dump on Linux with OpenGL
122 * ctsim: Fixed context-sensitive help on Linux
124 * ctsim: Fixed About box on Linux
126 3.0.2 - Released 2/20/01
128 * scanner.cpp: Fixed bug when number of detectors was even.
130 * ctsim: Improved error handling when trying to convert
131 divergent projections into polar form.
133 3.0.1 - Released 2/19/01
135 * ctsim: Fixed dialog box for reconstruction so that
136 rotation angle setting will stay fixed in-between use
139 * syserror: Fixed display bug for trace messages
141 * ctsim: MSVC optimization bug work-around, compiler
144 3.0.0 - Released 2/19/01
146 * ctsim: Massive update/fix to online help and print manual.
148 * ctsim: Added context-sensitive help to dialog boxes
150 * ctsim: Reformated all dialog boxes, much nicer now.
152 * ctsim: Improved accelerator key handling
154 * global: Added Hanning filter.
156 * global: Improved default parameters to that all defaults give
159 3.0.0beta1 - Released 2/11/01
161 * ctsim: Added most-recently-used files to File menu with
162 registry storage between executions.
164 * ctsim: Hides arcane features unless enabled by Preferences dialog
166 * ctsim: Added MDI interface for Windows version and made it default for Windows.
168 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
170 * ctsim: Added graphical About box
172 * ctsim: Escape key now removes cursor lines from image file view
174 * ctsim: Added Revert to ImageFile menu
176 * ctsim: Added accelerator (hotkeys) to frames
178 * ctsim: Online help added!
180 * backprojector: Added cubic interpolation
182 * ctsim: Added icons to Frames on X-Window and MS Windows versions
184 * ctsim: Fixed tick-label placement for plots on projection and
185 reconstruction dialogs.
187 * timer.h: Add use of _ftime when compiling on MSVC
189 * global: Projection files are not compatible with previous version
190 due to new scanner definitions.
192 * global: deleted concept of field-of-view and added
193 view ratio and scan ratio concepts.
195 * ctsim: Fixed crash on shutdown bug
197 * pjinfo: Fixed bug when doing --dump and not specifing --endview
199 * phm2pj: Fixed MPI bug with broadcasting of variables
201 * ctsimtext-lam: Changes for first version to compile under lam
204 3.0.0alpha5 - Released 1/12/00
206 * ctsim: Added EZPlotDialog, used by debugging plots in
209 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
210 bug in parsing command-line parameters.
212 * views.cpp: Fixed bug in copying of labels from images to
215 * syserror.cpp: fixed reporting for fatal errors
217 * projections.cpp: fixed MSVC failure with std:: namespace
219 * procsignal.cpp: fixed bug in equiangular reconstructions
220 for frequency/inverse-fourier filtering
222 3.0.0alpha4 - Released 1/09/01
224 * ctsim: Added reset to full-intensity scale menu item
226 * ctsim: Add conversion of projections to polar plot [Thanks to
227 Ian Kay for reference and math hints in polar bilinear scaling]
229 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
232 * ctsim: imagefile labels are now copied to plotfiles
234 * ctsim: Added more analyze menuitems
236 * ctsimtext: First version. All command-line tools are now accessed
237 through this master shell. Has both command-line and interactive
240 * ctsim: Fixed initialization of min/max bug for PlotFiles
242 * ezplot: Cleaned up y-tick label placement
244 * sgp: Added better support for projection/reconstruction animation
246 3.0.0alpha3 - Released 1/02/01
248 * ctsim: Added plotting of histograms
250 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
252 * ezplot.cpp: adjusted xtick label displays for better placement
254 3.0alpha2 - Released 1/02/01
256 * ctsim: All functions of command-line tools are now in graphical ctsim
258 * ctsim: added generation of filter images
260 * ctsim: Added 2-image math functions (mul, add, div, sub)
262 * ctsim: Added export of imagefiles to graphic file formats
264 * ctsim: Added support for scaling imagefiles in new sizes
266 * ctsim: Added ability to save standard phantom definitions as
267 text files suitable for reading.
269 * ctsim: Add labels for image transformations and display of labels
270 when performing properties of images.
272 * processsignal.cpp: Fixed "off by one" bug in
273 shuffleNaturalToFourierOrder when n is even. Moved functions to
276 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
277 image math functions to complex-valued math.
279 * phantom.cpp: Added ability to save phantom files as ASCII text.
281 3.0alpha1 - Released 12/29/00
283 * Added PlotFile class to system, used by if2 and ctsim for row
284 and column plots and comparison plots
286 * ctsim: Added image comparison statistics and image subtraction
288 * ctsim: Added plotting of rows & columns with y-axis scaling
290 * ctsim: Added row and column plot comparisons between two image
293 * ctsim: Added "Process" menu to image file display with math
294 functions. Added 2-dimensional inverse Fourier to math
295 functions. Added support for complex (real/imaginary) images.
297 * mathfuncs.cpp: Reworked statistics algorithm to share between
298 imagefile and plotfile classes.
300 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
301 nsamples > 2. Added generic mage math functions, moved from
302 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
305 * array2dfile.cpp: Added code to support complex (real/imaginary)
308 * if1: Updated to handle error conditions, such as sqrt of a
309 negative number. Converted to use new ImageFile math functions.
311 * if2: Updated to output plot files and use new ImageFile class
314 * if1: Updated to use new ImageFile class math functions
316 * ezplot: Reworked to better store colors/linestyles/symbols with
317 individual curves. Improved display of labels and ticks. Updated
318 to use POL class member variable. Updated to more C++ conventions.
320 * pol: converted to C++ class. Extracted HashTable to separate
323 * sgp: Added linestyle settings
326 First Microsoft Windows GUI version
327 Modifications for Microsoft Visual C++ compilation.
328 Improved pjinfo to output binary headers and view data, useful
329 when manually compiling phantoms that vary during projection
330 process. Thanks to Ian Kay for idea and code submission.
331 Improved sorting to find median in ImageFile::statistics
332 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
333 Changed reconstruction dialog to fix onto smaller screens
334 Fixed display of plotting in Projection views
335 Improved animation displays for Projections and Reconstructions
336 Changed code to explicitly use std:: namespace rather than
337 "namespace using std" statements
338 Fixed reconstruction scaling bug introduced in 2.0.6
339 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
342 Fixed minor compilation problem with procsignal.h
344 Fixed bug when simulating projections and Trace == CONSOLE
345 Fixed scaling bug when performing redundant rotations around object
348 Improved compilation on RedHat 7
349 Changed some of ANSI C header files to C++ header files
350 Removed README.RedHat7
353 Added documentation for --geometry setting
354 Added README.RedHat7 document
357 Fixed bug in generation of binary PGM files
358 Fixed MPI compilation bug in phm2pj.cpp
359 Inverted y-axis output for pj2if (bug alert from Ian Kay)
362 Additions to man pages (Ian Kay)
363 Fix problem with reading of ASCII phantom files (Ian Kay)
366 Fixed syntax error in fftw configuration
367 Slight modifications to support gcc v2.9.6
370 Version 2.0.0 released!
371 ctsim: Added Window menu to Main frame
372 ctsim: Disabled not support reconstruction method
373 Fixed obscure bug in sys_error
374 Fixed compilation in mingw environment not present
375 Fixed compilation in non-graphical environments
378 ctsim: Added animation of reconstruction
379 ctsim: Added saving of dialog parameters for Projection & Reconstruction
380 ctsim: Added progress dialog for rasterization of phantom
381 ctsim: used setpriority to set lower priority
382 ctsim: fixed pReconstruct not being deleted causing scaling problem
383 ctsim: fixed projection animation dialog buttons
386 ctsim: Added projection graph to animation of projection collection
387 ctsim: Added single stepping to projection collection animation
388 ctsim: improved File/Properties display for projection files
389 ctsim: Added progress dialog for reconstructions
390 ctsim: Added file labels for projection and reconstruction images
391 ctsim: Made File/Properties bring up modal dialogs
392 Added reconstruction for Equilinear and Equiangular geometries
393 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
394 Separated reconstruction into Reconstructor class
395 Fixed center of detector adjustment for even number of detectors
396 Added --enable-static to generate statically linked programs
399 ctsim: Added animation of projection collection processs
400 ctsim: Added Auto Scaling for image windows
401 ctsim: Change menus from "windowing" to "display scaling"
402 Added FieldOfView and FocalLength ratio parameters to projection collection
403 Added FocalLength & FieldOfView fields to projection data files
404 Added Projection collection for Equilinear and Equiangular geometries
405 Changed name of Rowland Phantom to correct name of Shepp-Logan
406 Fixed bug in backprojection selection
409 Added RCS Id strings to executable files
410 Added RPM Spec file for RPM package creation
411 Added loading of ASCII phanthom definitions from files
412 Fixed compilation for non-SGP architectures
413 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
414 Added Filter-Generation option to reconstruction to allow direct or
415 inverse_fourier construction of filters
416 Added median to statistics and to auto-windowing
419 Added line color support to SGP
423 Finished support for dmallocxx library
424 Fixed bug in SignalFilter::convertFilterMethodNameToID()
425 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
426 G2 windows and well as WXWindows.
427 ctsim program: "Create Phantom" now shows phantom object
428 Fixed row-plot bug in if-2
429 Reworked EZPlot's multiple plot operation
432 ctsim program: improved initial size and scroll area for image
434 ctsim program: added rasterization parameters, projections parameters,
435 and reconstruction parameters dialogs
436 Moved char[] static definition from header files to c++ files
437 Completely reorganized option processing in classes to improve
438 expandability and to assist ctsim graphical user interface.
441 ctsim program: Added dialog to set minimum/maximum display levels
442 Started ctsim.tex document file
445 Fixed compiler warnings at -Wall level
446 Began work on CTSim program to be graphical front-end of all functions
447 Moved current src/*.cpp to tools/*.cpp
448 Made CTSim graphical front-end's home to be src/
451 Added highly optimized backprojection method idiff3
452 Moved comparative stats to if-2 program from ifinfo
453 Fixed image display in if2img using G2 library
454 Added column-plot and row-plot options to if-2
455 Added autoselection of analytic/calculated spatial responses to SignalFilter
456 Added frequency-based preinterpolation to SignalFilter and idiff3
457 backprojection method. Currently, this technique is still under
458 development and debugging
459 Moved graphic file writing to ImageFile class from if2img program
462 Cleaned up SignalFilter class
463 Added zeropad option to pjrec
464 Added zeropad options to html and cgi files
465 Added fourier_table and rfttw filter methods
466 Added FFTW routines to use real/half-complex transformations
469 Updated trace level processing
470 Added trace level to SignalFilter
471 Fixed magnitude vs. real output bug in FFT/Fourier filter
474 Fixed const issue with ImageFileArray
475 Fixed Array2dFile::labelsCopy()
476 Added copy constructor and assignment for Array2dFileLabel class
477 Added Timer to if-2.cpp and ifinfo.cpp
478 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
479 Added option processing for filter-method for pjrec to choose
480 between convolution, dft, & fft filtering
481 Fixed format string for EZPlot so axis labels now print
482 Added support for FFTW library
485 Rewrote Array2dFile class to be non-templated
486 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
487 Rewrote Array2dFileLabel class to make members private, added access routines
488 Removed timedate.cpp in favor of standard C library time/date functions
489 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
490 Added signature tag and creation date/time to projection files
493 Standardized string option processing by classes. All classes use character strings
494 to select options rather than numeric constants. Added fail() and failMessage()
495 methods to verify that objects are created correctly by character strings.
496 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
497 Rewrote ImageFile class
498 Started support for dmallocxx library, not finished
499 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
500 Updated ifinfo to show comparative statistics
501 Added printLabels() to Array2dFile class
502 Added printStatistics() to ImageFile class
505 Moved conversion filter name/id to Filter class
506 Moved conversion backprojection name/id to Backproj class
507 Added MPI broadcasting of strings
510 Merged proj_reconstr into class Projections
511 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
512 Code cleanup in projections.cpp
513 Moved conversion of phantom names/id to Phantom class
516 Converted projection files to C++ library with frnetorderstream
517 Converted image files to C++ library with frnetorderstream
518 Converted filter and convolution to object-oriented code
519 Changed default image file to float from double -- Changable in imagefile.h
520 Optimized image file writing on little-endian architectures
521 Updated README and INSTALL
524 Reorganized source files
525 MPI bug fixed to phm2pj.cpp
528 Reorganized include files
529 Fixed const pointers in strfuncs
532 Renamed directories, moved source files, combined source files
533 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
537 Skip versions to make version 2.0 the first fully C++ version
538 Renamed Raysums to Projections throughout files
539 Renamed Detector to Scanner
540 Converted Scanner and Projecions to full object-oriented
543 Converted Phantom and PhantomElements to Object-Oriented
544 Converted Detector to Object-Oriented
547 Improved Integer backprojection method
548 Fixed nearest neighbor to be truly nearest neighbor
549 Made linear interpolation more integer arithmetic -> speed improvement
550 Finished converting all C files to C++
551 Converted all use of malloc/free to C++ new/delete
552 Began object-oriented conversion of Phantom and Projection structures
555 Converted MPI data structures to C++ object
556 Made ImageFile directly inherit from Array2dFile
559 First C++ conversions
560 Portable IF (image file) format implemented with objects (SDF removed)
561 - Now all data files are cross-platform compatible
562 Converted from MPI to MPI++
563 Converted backprojection to object-oriented
564 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
567 Simpilifed endian handling
570 Added support for 64-bit (IA64) CPU
571 Removed broken B-spline interpolation
572 Added support for cygwin platform under Windows 2000
573 Added support for 16-bit PNG graphics
576 Added compile-time configuration of endian order
579 Modified the raysum file format to be platform independent
582 Added Microsoft VC compatibility
583 Cleaned up compilation warnings in libgraph
586 Continued conversion to ANSI C
587 Removed old CRT routines
590 Renamed pictures to phantoms, objects to phantom elements
591 Continued code cleanup
594 More code cleanup with reorganizing libraries
595 Added --log and --exp to sdf-1
596 Allowed negative numbers for window levels in CGI interface
599 Continued code cleanup
603 Better documented, coded raysum in-memory on on-disk options
606 Cleaned out library that wasn't being used by CTSim
607 Modified ctsim.cgi to read in configuration file ctsim.conf
610 First open source distribution for GNU/Linux
613 Converted to GNU/Linux
614 added MPI support via LAM library
617 Developed under MS-DOS and IBM EGA graphics