1 Aug 22, 2005 Version 4.4.0
2 * Changes in configure.ac for X.org compatibility with Debian Etch
3 and FC4. May not be backward compatibility with XFree86.
5 Aug 10, 2004 Version 4.3.2, Version 4.3.3
6 * Minor changes in man pages to fix groff warnings
8 Nov 1, 2003 Version 4.3.1
9 * Add support for SuSE AMD64
11 Oct 5, 2003 Version 4.3.0
12 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
13 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
15 Oct 3, 2003 Version 4.2.7
16 * Add support for building on RedHat AMD64
18 Sep 30, 2003 Version 4.2.7
19 * Fix minor issue with floating point difference backprojection, add
22 * Fix building with newest versions of automake 1.7
24 * Add support for 8-byte longs [for example, Athlon64] in
25 integer difference backprojection allowing for 64-bit integer
28 Mar 22, 2003 Version 4.2.3
30 * Added Fourier reconstruction method
32 * Support gcc 3.2, wxWindows 2.4, and MacOS X
34 * Fix polar interpolation
36 Jun 26, 2002 Version 3.5.6
38 * Fix minor color PNG image importing bug
40 * Bug fix for building on Debian alpha platform
42 * Fix g++ compilation warnings
44 Jun 13, 2002 Version 3.5.5
46 * Fix printing of version number
50 * Updated Win32 compatibility
52 Jun 8, 2002 Version 3.5.4
54 * Print version number in log window with About command
56 * Fix problem with captions not showing on some windows. Reworked
57 creation of new windows.
59 * Disabled status bar on 3d views
61 * Fix bug in configure.ac that prevented using compiler
64 * Updated About splash screen
66 May 29, 2002 Version 3.5.3
67 * Added support for g++ 3.04 compiler
69 May 8, 2002 Version 3.5.2
70 * configure: improved CTN (DICOM) installation search
71 * src/ctsim.cpp: Fixed initial image size with import command
73 May 5, 2002 Version 3.5.1
77 * ctsim: Added tips to be displayed at startup and via the help menu.
78 * ctsim: Added center-detector concept. Allow for detector array
79 to be any arbitrary distance from center of scanner. As a result,
80 projection files are not incompatible with previous version of
82 * ctsim: Added threaded tasks and background manager for
83 background processing as well as taking advantage of multiple-CPU's
84 on SMP systems. (Microsoft Windows only)
85 * ctsim: Added plot t-theta sampling to projection file menu.
86 * ctsim: Added Reconstruction with Rebinning for faster
87 divergent beam reconstructions.
88 * ctsim: Added import and export of DICOM image files.
89 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
90 * ctsim: Added FFT/IFFT of columns of image files.
91 * ctsim: Added clipboard cut/copy/paste for image files.
92 * ctsim: Added region of interest to reconstructions.
93 * ctsim: Added Convert Rectangular Image to Projection files
94 * ctsim: Added "Verbose Logging", "Startup Tips", and
95 "Background processes" options to Preferences dialog.
96 * ctsim: Added plotting of projection file histograms.
97 * plotfile: Added scattergram plot functions
98 * ctsim: Added accelerator key for File-Properties
99 * ctsim: Improved wireframe 3-d display to remove hidden
101 * backprojectors.cpp: Added setting of axis extent and increment
103 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
104 projection data files.
108 * views.cpp: reduced calls to progress bar update, significant speedup
109 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
110 not being displayed on Unix platforms.
111 * views.cpp: Added out-of-memory checks to display for huge
112 image and projection files.
113 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
114 * imagefile.cpp: Fixed scaling factor in fftRows
115 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
117 * sgp.cpp: Fixed bug in drawCircle.
118 * distribution: fixed problem with documentation files not
119 being included with the distribution (Reported by Ian Kay).
120 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
121 * fixed ctsimtext shell when giving no parameters to function-name
122 * phm2if, phm2pj: Updated help messages for renamed phantoms
124 3.0.3 - Released 2/20/01
126 * ctsim: Fixed core dump on Linux with OpenGL
128 * ctsim: Fixed context-sensitive help on Linux
130 * ctsim: Fixed About box on Linux
132 3.0.2 - Released 2/20/01
134 * scanner.cpp: Fixed bug when number of detectors was even.
136 * ctsim: Improved error handling when trying to convert
137 divergent projections into polar form.
139 3.0.1 - Released 2/19/01
141 * ctsim: Fixed dialog box for reconstruction so that
142 rotation angle setting will stay fixed in-between use
145 * syserror: Fixed display bug for trace messages
147 * ctsim: MSVC optimization bug work-around, compiler
150 3.0.0 - Released 2/19/01
152 * ctsim: Massive update/fix to online help and print manual.
154 * ctsim: Added context-sensitive help to dialog boxes
156 * ctsim: Reformated all dialog boxes, much nicer now.
158 * ctsim: Improved accelerator key handling
160 * global: Added Hanning filter.
162 * global: Improved default parameters to that all defaults give
165 3.0.0beta1 - Released 2/11/01
167 * ctsim: Added most-recently-used files to File menu with
168 registry storage between executions.
170 * ctsim: Hides arcane features unless enabled by Preferences dialog
172 * ctsim: Added MDI interface for Windows version and made it default for Windows.
174 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
176 * ctsim: Added graphical About box
178 * ctsim: Escape key now removes cursor lines from image file view
180 * ctsim: Added Revert to ImageFile menu
182 * ctsim: Added accelerator (hotkeys) to frames
184 * ctsim: Online help added!
186 * backprojector: Added cubic interpolation
188 * ctsim: Added icons to Frames on X-Window and MS Windows versions
190 * ctsim: Fixed tick-label placement for plots on projection and
191 reconstruction dialogs.
193 * timer.h: Add use of _ftime when compiling on MSVC
195 * global: Projection files are not compatible with previous version
196 due to new scanner definitions.
198 * global: deleted concept of field-of-view and added
199 view ratio and scan ratio concepts.
201 * ctsim: Fixed crash on shutdown bug
203 * pjinfo: Fixed bug when doing --dump and not specifing --endview
205 * phm2pj: Fixed MPI bug with broadcasting of variables
207 * ctsimtext-lam: Changes for first version to compile under lam
210 3.0.0alpha5 - Released 1/12/00
212 * ctsim: Added EZPlotDialog, used by debugging plots in
215 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
216 bug in parsing command-line parameters.
218 * views.cpp: Fixed bug in copying of labels from images to
221 * syserror.cpp: fixed reporting for fatal errors
223 * projections.cpp: fixed MSVC failure with std:: namespace
225 * procsignal.cpp: fixed bug in equiangular reconstructions
226 for frequency/inverse-fourier filtering
228 3.0.0alpha4 - Released 1/09/01
230 * ctsim: Added reset to full-intensity scale menu item
232 * ctsim: Add conversion of projections to polar plot [Thanks to
233 Ian Kay for reference and math hints in polar bilinear scaling]
235 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
238 * ctsim: imagefile labels are now copied to plotfiles
240 * ctsim: Added more analyze menuitems
242 * ctsimtext: First version. All command-line tools are now accessed
243 through this master shell. Has both command-line and interactive
246 * ctsim: Fixed initialization of min/max bug for PlotFiles
248 * ezplot: Cleaned up y-tick label placement
250 * sgp: Added better support for projection/reconstruction animation
252 3.0.0alpha3 - Released 1/02/01
254 * ctsim: Added plotting of histograms
256 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
258 * ezplot.cpp: adjusted xtick label displays for better placement
260 3.0alpha2 - Released 1/02/01
262 * ctsim: All functions of command-line tools are now in graphical ctsim
264 * ctsim: added generation of filter images
266 * ctsim: Added 2-image math functions (mul, add, div, sub)
268 * ctsim: Added export of imagefiles to graphic file formats
270 * ctsim: Added support for scaling imagefiles in new sizes
272 * ctsim: Added ability to save standard phantom definitions as
273 text files suitable for reading.
275 * ctsim: Add labels for image transformations and display of labels
276 when performing properties of images.
278 * processsignal.cpp: Fixed "off by one" bug in
279 shuffleNaturalToFourierOrder when n is even. Moved functions to
282 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
283 image math functions to complex-valued math.
285 * phantom.cpp: Added ability to save phantom files as ASCII text.
287 3.0alpha1 - Released 12/29/00
289 * Added PlotFile class to system, used by if2 and ctsim for row
290 and column plots and comparison plots
292 * ctsim: Added image comparison statistics and image subtraction
294 * ctsim: Added plotting of rows & columns with y-axis scaling
296 * ctsim: Added row and column plot comparisons between two image
299 * ctsim: Added "Process" menu to image file display with math
300 functions. Added 2-dimensional inverse Fourier to math
301 functions. Added support for complex (real/imaginary) images.
303 * mathfuncs.cpp: Reworked statistics algorithm to share between
304 imagefile and plotfile classes.
306 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
307 nsamples > 2. Added generic mage math functions, moved from
308 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
311 * array2dfile.cpp: Added code to support complex (real/imaginary)
314 * if1: Updated to handle error conditions, such as sqrt of a
315 negative number. Converted to use new ImageFile math functions.
317 * if2: Updated to output plot files and use new ImageFile class
320 * if1: Updated to use new ImageFile class math functions
322 * ezplot: Reworked to better store colors/linestyles/symbols with
323 individual curves. Improved display of labels and ticks. Updated
324 to use POL class member variable. Updated to more C++ conventions.
326 * pol: converted to C++ class. Extracted HashTable to separate
329 * sgp: Added linestyle settings
332 First Microsoft Windows GUI version
333 Modifications for Microsoft Visual C++ compilation.
334 Improved pjinfo to output binary headers and view data, useful
335 when manually compiling phantoms that vary during projection
336 process. Thanks to Ian Kay for idea and code submission.
337 Improved sorting to find median in ImageFile::statistics
338 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
339 Changed reconstruction dialog to fix onto smaller screens
340 Fixed display of plotting in Projection views
341 Improved animation displays for Projections and Reconstructions
342 Changed code to explicitly use std:: namespace rather than
343 "namespace using std" statements
344 Fixed reconstruction scaling bug introduced in 2.0.6
345 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
348 Fixed minor compilation problem with procsignal.h
350 Fixed bug when simulating projections and Trace == CONSOLE
351 Fixed scaling bug when performing redundant rotations around object
354 Improved compilation on RedHat 7
355 Changed some of ANSI C header files to C++ header files
356 Removed README.RedHat7
359 Added documentation for --geometry setting
360 Added README.RedHat7 document
363 Fixed bug in generation of binary PGM files
364 Fixed MPI compilation bug in phm2pj.cpp
365 Inverted y-axis output for pj2if (bug alert from Ian Kay)
368 Additions to man pages (Ian Kay)
369 Fix problem with reading of ASCII phantom files (Ian Kay)
372 Fixed syntax error in fftw configuration
373 Slight modifications to support gcc v2.9.6
376 Version 2.0.0 released!
377 ctsim: Added Window menu to Main frame
378 ctsim: Disabled not support reconstruction method
379 Fixed obscure bug in sys_error
380 Fixed compilation in mingw environment not present
381 Fixed compilation in non-graphical environments
384 ctsim: Added animation of reconstruction
385 ctsim: Added saving of dialog parameters for Projection & Reconstruction
386 ctsim: Added progress dialog for rasterization of phantom
387 ctsim: used setpriority to set lower priority
388 ctsim: fixed pReconstruct not being deleted causing scaling problem
389 ctsim: fixed projection animation dialog buttons
392 ctsim: Added projection graph to animation of projection collection
393 ctsim: Added single stepping to projection collection animation
394 ctsim: improved File/Properties display for projection files
395 ctsim: Added progress dialog for reconstructions
396 ctsim: Added file labels for projection and reconstruction images
397 ctsim: Made File/Properties bring up modal dialogs
398 Added reconstruction for Equilinear and Equiangular geometries
399 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
400 Separated reconstruction into Reconstructor class
401 Fixed center of detector adjustment for even number of detectors
402 Added --enable-static to generate statically linked programs
405 ctsim: Added animation of projection collection processs
406 ctsim: Added Auto Scaling for image windows
407 ctsim: Change menus from "windowing" to "display scaling"
408 Added FieldOfView and FocalLength ratio parameters to projection collection
409 Added FocalLength & FieldOfView fields to projection data files
410 Added Projection collection for Equilinear and Equiangular geometries
411 Changed name of Rowland Phantom to correct name of Shepp-Logan
412 Fixed bug in backprojection selection
415 Added RCS Id strings to executable files
416 Added RPM Spec file for RPM package creation
417 Added loading of ASCII phanthom definitions from files
418 Fixed compilation for non-SGP architectures
419 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
420 Added Filter-Generation option to reconstruction to allow direct or
421 inverse_fourier construction of filters
422 Added median to statistics and to auto-windowing
425 Added line color support to SGP
429 Finished support for dmallocxx library
430 Fixed bug in SignalFilter::convertFilterMethodNameToID()
431 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
432 G2 windows and well as WXWindows.
433 ctsim program: "Create Phantom" now shows phantom object
434 Fixed row-plot bug in if-2
435 Reworked EZPlot's multiple plot operation
438 ctsim program: improved initial size and scroll area for image
440 ctsim program: added rasterization parameters, projections parameters,
441 and reconstruction parameters dialogs
442 Moved char[] static definition from header files to c++ files
443 Completely reorganized option processing in classes to improve
444 expandability and to assist ctsim graphical user interface.
447 ctsim program: Added dialog to set minimum/maximum display levels
448 Started ctsim.tex document file
451 Fixed compiler warnings at -Wall level
452 Began work on CTSim program to be graphical front-end of all functions
453 Moved current src/*.cpp to tools/*.cpp
454 Made CTSim graphical front-end's home to be src/
457 Added highly optimized backprojection method idiff3
458 Moved comparative stats to if-2 program from ifinfo
459 Fixed image display in if2img using G2 library
460 Added column-plot and row-plot options to if-2
461 Added autoselection of analytic/calculated spatial responses to SignalFilter
462 Added frequency-based preinterpolation to SignalFilter and idiff3
463 backprojection method. Currently, this technique is still under
464 development and debugging
465 Moved graphic file writing to ImageFile class from if2img program
468 Cleaned up SignalFilter class
469 Added zeropad option to pjrec
470 Added zeropad options to html and cgi files
471 Added fourier_table and rfttw filter methods
472 Added FFTW routines to use real/half-complex transformations
475 Updated trace level processing
476 Added trace level to SignalFilter
477 Fixed magnitude vs. real output bug in FFT/Fourier filter
480 Fixed const issue with ImageFileArray
481 Fixed Array2dFile::labelsCopy()
482 Added copy constructor and assignment for Array2dFileLabel class
483 Added Timer to if-2.cpp and ifinfo.cpp
484 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
485 Added option processing for filter-method for pjrec to choose
486 between convolution, dft, & fft filtering
487 Fixed format string for EZPlot so axis labels now print
488 Added support for FFTW library
491 Rewrote Array2dFile class to be non-templated
492 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
493 Rewrote Array2dFileLabel class to make members private, added access routines
494 Removed timedate.cpp in favor of standard C library time/date functions
495 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
496 Added signature tag and creation date/time to projection files
499 Standardized string option processing by classes. All classes use character strings
500 to select options rather than numeric constants. Added fail() and failMessage()
501 methods to verify that objects are created correctly by character strings.
502 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
503 Rewrote ImageFile class
504 Started support for dmallocxx library, not finished
505 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
506 Updated ifinfo to show comparative statistics
507 Added printLabels() to Array2dFile class
508 Added printStatistics() to ImageFile class
511 Moved conversion filter name/id to Filter class
512 Moved conversion backprojection name/id to Backproj class
513 Added MPI broadcasting of strings
516 Merged proj_reconstr into class Projections
517 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
518 Code cleanup in projections.cpp
519 Moved conversion of phantom names/id to Phantom class
522 Converted projection files to C++ library with frnetorderstream
523 Converted image files to C++ library with frnetorderstream
524 Converted filter and convolution to object-oriented code
525 Changed default image file to float from double -- Changable in imagefile.h
526 Optimized image file writing on little-endian architectures
527 Updated README and INSTALL
530 Reorganized source files
531 MPI bug fixed to phm2pj.cpp
534 Reorganized include files
535 Fixed const pointers in strfuncs
538 Renamed directories, moved source files, combined source files
539 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
543 Skip versions to make version 2.0 the first fully C++ version
544 Renamed Raysums to Projections throughout files
545 Renamed Detector to Scanner
546 Converted Scanner and Projecions to full object-oriented
549 Converted Phantom and PhantomElements to Object-Oriented
550 Converted Detector to Object-Oriented
553 Improved Integer backprojection method
554 Fixed nearest neighbor to be truly nearest neighbor
555 Made linear interpolation more integer arithmetic -> speed improvement
556 Finished converting all C files to C++
557 Converted all use of malloc/free to C++ new/delete
558 Began object-oriented conversion of Phantom and Projection structures
561 Converted MPI data structures to C++ object
562 Made ImageFile directly inherit from Array2dFile
565 First C++ conversions
566 Portable IF (image file) format implemented with objects (SDF removed)
567 - Now all data files are cross-platform compatible
568 Converted from MPI to MPI++
569 Converted backprojection to object-oriented
570 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
573 Simpilifed endian handling
576 Added support for 64-bit (IA64) CPU
577 Removed broken B-spline interpolation
578 Added support for cygwin platform under Windows 2000
579 Added support for 16-bit PNG graphics
582 Added compile-time configuration of endian order
585 Modified the raysum file format to be platform independent
588 Added Microsoft VC compatibility
589 Cleaned up compilation warnings in libgraph
592 Continued conversion to ANSI C
593 Removed old CRT routines
596 Renamed pictures to phantoms, objects to phantom elements
597 Continued code cleanup
600 More code cleanup with reorganizing libraries
601 Added --log and --exp to sdf-1
602 Allowed negative numbers for window levels in CGI interface
605 Continued code cleanup
609 Better documented, coded raysum in-memory on on-disk options
612 Cleaned out library that wasn't being used by CTSim
613 Modified ctsim.cgi to read in configuration file ctsim.conf
616 First open source distribution for GNU/Linux
619 Converted to GNU/Linux
620 added MPI support via LAM library
623 Developed under MS-DOS and IBM EGA graphics