1 Apr 1, 2007 Version 4.5.3
2 * include/timer.h: Fix building on GCC 4.3
3 -- thanks to Martin Michlmayr
5 Oct 19, 2006 Version 4.5.2
6 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
9 Oct 18, 2006 Version 4.5.1
10 * configure: rebuild from configure.ac
12 Oct 15, 2006 Version 4.5.0
13 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
14 and simply computing rotScale -- thanks to Dan Martin.
16 Mar 16, 2006 Version 4.4.4
17 * Changes for g++ 4.1 support
19 Aug 22, 2005 Version 4.4.2
20 * New URL for downloading CTSim
22 Aug 22, 2005 Version 4.4.1
23 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
25 Aug 22, 2005 Version 4.4.0
26 * Changes in configure.ac for X.org compatibility with Debian Etch
27 and FC4. May not be backward compatibility with XFree86.
29 Aug 10, 2004 Version 4.3.2, Version 4.3.3
30 * Minor changes in man pages to fix groff warnings
32 Nov 1, 2003 Version 4.3.1
33 * Add support for SuSE AMD64
35 Oct 5, 2003 Version 4.3.0
36 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
37 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
39 Oct 3, 2003 Version 4.2.7
40 * Add support for building on RedHat AMD64
42 Sep 30, 2003 Version 4.2.7
43 * Fix minor issue with floating point difference backprojection, add
46 * Fix building with newest versions of automake 1.7
48 * Add support for 8-byte longs [for example, Athlon64] in
49 integer difference backprojection allowing for 64-bit integer
52 Mar 22, 2003 Version 4.2.3
54 * Added Fourier reconstruction method
56 * Support gcc 3.2, wxWindows 2.4, and MacOS X
58 * Fix polar interpolation
60 Jun 26, 2002 Version 3.5.6
62 * Fix minor color PNG image importing bug
64 * Bug fix for building on Debian alpha platform
66 * Fix g++ compilation warnings
68 Jun 13, 2002 Version 3.5.5
70 * Fix printing of version number
74 * Updated Win32 compatibility
76 Jun 8, 2002 Version 3.5.4
78 * Print version number in log window with About command
80 * Fix problem with captions not showing on some windows. Reworked
81 creation of new windows.
83 * Disabled status bar on 3d views
85 * Fix bug in configure.ac that prevented using compiler
88 * Updated About splash screen
90 May 29, 2002 Version 3.5.3
91 * Added support for g++ 3.04 compiler
93 May 8, 2002 Version 3.5.2
94 * configure: improved CTN (DICOM) installation search
95 * src/ctsim.cpp: Fixed initial image size with import command
97 May 5, 2002 Version 3.5.1
101 * ctsim: Added tips to be displayed at startup and via the help menu.
102 * ctsim: Added center-detector concept. Allow for detector array
103 to be any arbitrary distance from center of scanner. As a result,
104 projection files are not incompatible with previous version of
106 * ctsim: Added threaded tasks and background manager for
107 background processing as well as taking advantage of multiple-CPU's
108 on SMP systems. (Microsoft Windows only)
109 * ctsim: Added plot t-theta sampling to projection file menu.
110 * ctsim: Added Reconstruction with Rebinning for faster
111 divergent beam reconstructions.
112 * ctsim: Added import and export of DICOM image files.
113 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
114 * ctsim: Added FFT/IFFT of columns of image files.
115 * ctsim: Added clipboard cut/copy/paste for image files.
116 * ctsim: Added region of interest to reconstructions.
117 * ctsim: Added Convert Rectangular Image to Projection files
118 * ctsim: Added "Verbose Logging", "Startup Tips", and
119 "Background processes" options to Preferences dialog.
120 * ctsim: Added plotting of projection file histograms.
121 * plotfile: Added scattergram plot functions
122 * ctsim: Added accelerator key for File-Properties
123 * ctsim: Improved wireframe 3-d display to remove hidden
125 * backprojectors.cpp: Added setting of axis extent and increment
127 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
128 projection data files.
132 * views.cpp: reduced calls to progress bar update, significant speedup
133 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
134 not being displayed on Unix platforms.
135 * views.cpp: Added out-of-memory checks to display for huge
136 image and projection files.
137 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
138 * imagefile.cpp: Fixed scaling factor in fftRows
139 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
141 * sgp.cpp: Fixed bug in drawCircle.
142 * distribution: fixed problem with documentation files not
143 being included with the distribution (Reported by Ian Kay).
144 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
145 * fixed ctsimtext shell when giving no parameters to function-name
146 * phm2if, phm2pj: Updated help messages for renamed phantoms
148 3.0.3 - Released 2/20/01
150 * ctsim: Fixed core dump on Linux with OpenGL
152 * ctsim: Fixed context-sensitive help on Linux
154 * ctsim: Fixed About box on Linux
156 3.0.2 - Released 2/20/01
158 * scanner.cpp: Fixed bug when number of detectors was even.
160 * ctsim: Improved error handling when trying to convert
161 divergent projections into polar form.
163 3.0.1 - Released 2/19/01
165 * ctsim: Fixed dialog box for reconstruction so that
166 rotation angle setting will stay fixed in-between use
169 * syserror: Fixed display bug for trace messages
171 * ctsim: MSVC optimization bug work-around, compiler
174 3.0.0 - Released 2/19/01
176 * ctsim: Massive update/fix to online help and print manual.
178 * ctsim: Added context-sensitive help to dialog boxes
180 * ctsim: Reformated all dialog boxes, much nicer now.
182 * ctsim: Improved accelerator key handling
184 * global: Added Hanning filter.
186 * global: Improved default parameters to that all defaults give
189 3.0.0beta1 - Released 2/11/01
191 * ctsim: Added most-recently-used files to File menu with
192 registry storage between executions.
194 * ctsim: Hides arcane features unless enabled by Preferences dialog
196 * ctsim: Added MDI interface for Windows version and made it default for Windows.
198 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
200 * ctsim: Added graphical About box
202 * ctsim: Escape key now removes cursor lines from image file view
204 * ctsim: Added Revert to ImageFile menu
206 * ctsim: Added accelerator (hotkeys) to frames
208 * ctsim: Online help added!
210 * backprojector: Added cubic interpolation
212 * ctsim: Added icons to Frames on X-Window and MS Windows versions
214 * ctsim: Fixed tick-label placement for plots on projection and
215 reconstruction dialogs.
217 * timer.h: Add use of _ftime when compiling on MSVC
219 * global: Projection files are not compatible with previous version
220 due to new scanner definitions.
222 * global: deleted concept of field-of-view and added
223 view ratio and scan ratio concepts.
225 * ctsim: Fixed crash on shutdown bug
227 * pjinfo: Fixed bug when doing --dump and not specifing --endview
229 * phm2pj: Fixed MPI bug with broadcasting of variables
231 * ctsimtext-lam: Changes for first version to compile under lam
234 3.0.0alpha5 - Released 1/12/00
236 * ctsim: Added EZPlotDialog, used by debugging plots in
239 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
240 bug in parsing command-line parameters.
242 * views.cpp: Fixed bug in copying of labels from images to
245 * syserror.cpp: fixed reporting for fatal errors
247 * projections.cpp: fixed MSVC failure with std:: namespace
249 * procsignal.cpp: fixed bug in equiangular reconstructions
250 for frequency/inverse-fourier filtering
252 3.0.0alpha4 - Released 1/09/01
254 * ctsim: Added reset to full-intensity scale menu item
256 * ctsim: Add conversion of projections to polar plot [Thanks to
257 Ian Kay for reference and math hints in polar bilinear scaling]
259 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
262 * ctsim: imagefile labels are now copied to plotfiles
264 * ctsim: Added more analyze menuitems
266 * ctsimtext: First version. All command-line tools are now accessed
267 through this master shell. Has both command-line and interactive
270 * ctsim: Fixed initialization of min/max bug for PlotFiles
272 * ezplot: Cleaned up y-tick label placement
274 * sgp: Added better support for projection/reconstruction animation
276 3.0.0alpha3 - Released 1/02/01
278 * ctsim: Added plotting of histograms
280 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
282 * ezplot.cpp: adjusted xtick label displays for better placement
284 3.0alpha2 - Released 1/02/01
286 * ctsim: All functions of command-line tools are now in graphical ctsim
288 * ctsim: added generation of filter images
290 * ctsim: Added 2-image math functions (mul, add, div, sub)
292 * ctsim: Added export of imagefiles to graphic file formats
294 * ctsim: Added support for scaling imagefiles in new sizes
296 * ctsim: Added ability to save standard phantom definitions as
297 text files suitable for reading.
299 * ctsim: Add labels for image transformations and display of labels
300 when performing properties of images.
302 * processsignal.cpp: Fixed "off by one" bug in
303 shuffleNaturalToFourierOrder when n is even. Moved functions to
306 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
307 image math functions to complex-valued math.
309 * phantom.cpp: Added ability to save phantom files as ASCII text.
311 3.0alpha1 - Released 12/29/00
313 * Added PlotFile class to system, used by if2 and ctsim for row
314 and column plots and comparison plots
316 * ctsim: Added image comparison statistics and image subtraction
318 * ctsim: Added plotting of rows & columns with y-axis scaling
320 * ctsim: Added row and column plot comparisons between two image
323 * ctsim: Added "Process" menu to image file display with math
324 functions. Added 2-dimensional inverse Fourier to math
325 functions. Added support for complex (real/imaginary) images.
327 * mathfuncs.cpp: Reworked statistics algorithm to share between
328 imagefile and plotfile classes.
330 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
331 nsamples > 2. Added generic mage math functions, moved from
332 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
335 * array2dfile.cpp: Added code to support complex (real/imaginary)
338 * if1: Updated to handle error conditions, such as sqrt of a
339 negative number. Converted to use new ImageFile math functions.
341 * if2: Updated to output plot files and use new ImageFile class
344 * if1: Updated to use new ImageFile class math functions
346 * ezplot: Reworked to better store colors/linestyles/symbols with
347 individual curves. Improved display of labels and ticks. Updated
348 to use POL class member variable. Updated to more C++ conventions.
350 * pol: converted to C++ class. Extracted HashTable to separate
353 * sgp: Added linestyle settings
356 First Microsoft Windows GUI version
357 Modifications for Microsoft Visual C++ compilation.
358 Improved pjinfo to output binary headers and view data, useful
359 when manually compiling phantoms that vary during projection
360 process. Thanks to Ian Kay for idea and code submission.
361 Improved sorting to find median in ImageFile::statistics
362 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
363 Changed reconstruction dialog to fix onto smaller screens
364 Fixed display of plotting in Projection views
365 Improved animation displays for Projections and Reconstructions
366 Changed code to explicitly use std:: namespace rather than
367 "namespace using std" statements
368 Fixed reconstruction scaling bug introduced in 2.0.6
369 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
372 Fixed minor compilation problem with procsignal.h
374 Fixed bug when simulating projections and Trace == CONSOLE
375 Fixed scaling bug when performing redundant rotations around object
378 Improved compilation on RedHat 7
379 Changed some of ANSI C header files to C++ header files
380 Removed README.RedHat7
383 Added documentation for --geometry setting
384 Added README.RedHat7 document
387 Fixed bug in generation of binary PGM files
388 Fixed MPI compilation bug in phm2pj.cpp
389 Inverted y-axis output for pj2if (bug alert from Ian Kay)
392 Additions to man pages (Ian Kay)
393 Fix problem with reading of ASCII phantom files (Ian Kay)
396 Fixed syntax error in fftw configuration
397 Slight modifications to support gcc v2.9.6
400 Version 2.0.0 released!
401 ctsim: Added Window menu to Main frame
402 ctsim: Disabled not support reconstruction method
403 Fixed obscure bug in sys_error
404 Fixed compilation in mingw environment not present
405 Fixed compilation in non-graphical environments
408 ctsim: Added animation of reconstruction
409 ctsim: Added saving of dialog parameters for Projection & Reconstruction
410 ctsim: Added progress dialog for rasterization of phantom
411 ctsim: used setpriority to set lower priority
412 ctsim: fixed pReconstruct not being deleted causing scaling problem
413 ctsim: fixed projection animation dialog buttons
416 ctsim: Added projection graph to animation of projection collection
417 ctsim: Added single stepping to projection collection animation
418 ctsim: improved File/Properties display for projection files
419 ctsim: Added progress dialog for reconstructions
420 ctsim: Added file labels for projection and reconstruction images
421 ctsim: Made File/Properties bring up modal dialogs
422 Added reconstruction for Equilinear and Equiangular geometries
423 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
424 Separated reconstruction into Reconstructor class
425 Fixed center of detector adjustment for even number of detectors
426 Added --enable-static to generate statically linked programs
429 ctsim: Added animation of projection collection processs
430 ctsim: Added Auto Scaling for image windows
431 ctsim: Change menus from "windowing" to "display scaling"
432 Added FieldOfView and FocalLength ratio parameters to projection collection
433 Added FocalLength & FieldOfView fields to projection data files
434 Added Projection collection for Equilinear and Equiangular geometries
435 Changed name of Rowland Phantom to correct name of Shepp-Logan
436 Fixed bug in backprojection selection
439 Added RCS Id strings to executable files
440 Added RPM Spec file for RPM package creation
441 Added loading of ASCII phanthom definitions from files
442 Fixed compilation for non-SGP architectures
443 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
444 Added Filter-Generation option to reconstruction to allow direct or
445 inverse_fourier construction of filters
446 Added median to statistics and to auto-windowing
449 Added line color support to SGP
453 Finished support for dmallocxx library
454 Fixed bug in SignalFilter::convertFilterMethodNameToID()
455 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
456 G2 windows and well as WXWindows.
457 ctsim program: "Create Phantom" now shows phantom object
458 Fixed row-plot bug in if-2
459 Reworked EZPlot's multiple plot operation
462 ctsim program: improved initial size and scroll area for image
464 ctsim program: added rasterization parameters, projections parameters,
465 and reconstruction parameters dialogs
466 Moved char[] static definition from header files to c++ files
467 Completely reorganized option processing in classes to improve
468 expandability and to assist ctsim graphical user interface.
471 ctsim program: Added dialog to set minimum/maximum display levels
472 Started ctsim.tex document file
475 Fixed compiler warnings at -Wall level
476 Began work on CTSim program to be graphical front-end of all functions
477 Moved current src/*.cpp to tools/*.cpp
478 Made CTSim graphical front-end's home to be src/
481 Added highly optimized backprojection method idiff3
482 Moved comparative stats to if-2 program from ifinfo
483 Fixed image display in if2img using G2 library
484 Added column-plot and row-plot options to if-2
485 Added autoselection of analytic/calculated spatial responses to SignalFilter
486 Added frequency-based preinterpolation to SignalFilter and idiff3
487 backprojection method. Currently, this technique is still under
488 development and debugging
489 Moved graphic file writing to ImageFile class from if2img program
492 Cleaned up SignalFilter class
493 Added zeropad option to pjrec
494 Added zeropad options to html and cgi files
495 Added fourier_table and rfttw filter methods
496 Added FFTW routines to use real/half-complex transformations
499 Updated trace level processing
500 Added trace level to SignalFilter
501 Fixed magnitude vs. real output bug in FFT/Fourier filter
504 Fixed const issue with ImageFileArray
505 Fixed Array2dFile::labelsCopy()
506 Added copy constructor and assignment for Array2dFileLabel class
507 Added Timer to if-2.cpp and ifinfo.cpp
508 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
509 Added option processing for filter-method for pjrec to choose
510 between convolution, dft, & fft filtering
511 Fixed format string for EZPlot so axis labels now print
512 Added support for FFTW library
515 Rewrote Array2dFile class to be non-templated
516 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
517 Rewrote Array2dFileLabel class to make members private, added access routines
518 Removed timedate.cpp in favor of standard C library time/date functions
519 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
520 Added signature tag and creation date/time to projection files
523 Standardized string option processing by classes. All classes use character strings
524 to select options rather than numeric constants. Added fail() and failMessage()
525 methods to verify that objects are created correctly by character strings.
526 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
527 Rewrote ImageFile class
528 Started support for dmallocxx library, not finished
529 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
530 Updated ifinfo to show comparative statistics
531 Added printLabels() to Array2dFile class
532 Added printStatistics() to ImageFile class
535 Moved conversion filter name/id to Filter class
536 Moved conversion backprojection name/id to Backproj class
537 Added MPI broadcasting of strings
540 Merged proj_reconstr into class Projections
541 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
542 Code cleanup in projections.cpp
543 Moved conversion of phantom names/id to Phantom class
546 Converted projection files to C++ library with frnetorderstream
547 Converted image files to C++ library with frnetorderstream
548 Converted filter and convolution to object-oriented code
549 Changed default image file to float from double -- Changable in imagefile.h
550 Optimized image file writing on little-endian architectures
551 Updated README and INSTALL
554 Reorganized source files
555 MPI bug fixed to phm2pj.cpp
558 Reorganized include files
559 Fixed const pointers in strfuncs
562 Renamed directories, moved source files, combined source files
563 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
567 Skip versions to make version 2.0 the first fully C++ version
568 Renamed Raysums to Projections throughout files
569 Renamed Detector to Scanner
570 Converted Scanner and Projecions to full object-oriented
573 Converted Phantom and PhantomElements to Object-Oriented
574 Converted Detector to Object-Oriented
577 Improved Integer backprojection method
578 Fixed nearest neighbor to be truly nearest neighbor
579 Made linear interpolation more integer arithmetic -> speed improvement
580 Finished converting all C files to C++
581 Converted all use of malloc/free to C++ new/delete
582 Began object-oriented conversion of Phantom and Projection structures
585 Converted MPI data structures to C++ object
586 Made ImageFile directly inherit from Array2dFile
589 First C++ conversions
590 Portable IF (image file) format implemented with objects (SDF removed)
591 - Now all data files are cross-platform compatible
592 Converted from MPI to MPI++
593 Converted backprojection to object-oriented
594 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
597 Simpilifed endian handling
600 Added support for 64-bit (IA64) CPU
601 Removed broken B-spline interpolation
602 Added support for cygwin platform under Windows 2000
603 Added support for 16-bit PNG graphics
606 Added compile-time configuration of endian order
609 Modified the raysum file format to be platform independent
612 Added Microsoft VC compatibility
613 Cleaned up compilation warnings in libgraph
616 Continued conversion to ANSI C
617 Removed old CRT routines
620 Renamed pictures to phantoms, objects to phantom elements
621 Continued code cleanup
624 More code cleanup with reorganizing libraries
625 Added --log and --exp to sdf-1
626 Allowed negative numbers for window levels in CGI interface
629 Continued code cleanup
633 Better documented, coded raysum in-memory on on-disk options
636 Cleaned out library that wasn't being used by CTSim
637 Modified ctsim.cgi to read in configuration file ctsim.conf
640 First open source distribution for GNU/Linux
643 Converted to GNU/Linux
644 added MPI support via LAM library
647 Developed under MS-DOS and IBM EGA graphics