1 Aug 6, 2009 Version 5.0.6
2 * Use wxWidgets command-line processing rather than existing
4 * ezset.cpp: Initialize scale settings in constructor
5 * Improve titles of frames
6 * configure.ac: Use wx-config to determine name of wxGL library
7 * src/graph3dview.cpp: wx2.8 compatibility changesd to eliminate
8 segv crash when creating 3D objects
10 Aug 3, 2009 Version 5.0.5
11 * Fix plots when maximum plot value is the same as minimum
13 Aug 3, 2009 Version 5.0.5
14 * More wx2.8 compatibility fixes.
15 * Fix initial size of Log TextCtrl at start-up.
16 * Fix display of values in Log window by cleaning up string
19 Aug 2, 2009 Version 5.0.4
20 * More wx2.8 compatibility fixes. Ensure that a resize of a window
21 causes a full repaint for phantom, plot, and graph3d canvases.
23 Aug 1, 2009 Version 5.0.1
24 * missing: Update to latest automake version
25 * configure: make compatible with wxMac
26 * update few source files for non-unicode wxWidgets 2.8 compatibility
28 Aug 1, 2009 Version 5.0.0
29 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
30 Currently, code compiles without warnings, but there are
31 GUI visual problems at the momemt running with wx2.8
33 Sep 17, 2007 Version 4.5.5
34 * better cleaning in makefiles
35 * use "const char" variables for string literals
37 Sep 10, 2007 Version 4.5.4
38 * configure.ac: Fix builds with multiple versions of wx-config
39 -- thanks to Steve White
41 Apr 1, 2007 Version 4.5.3
42 * include/timer.h: Fix building on GCC 4.3
43 -- thanks to Martin Michlmayr
45 Oct 19, 2006 Version 4.5.2
46 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
47 -- thanks to Sven Huth
49 Oct 18, 2006 Version 4.5.1
50 * configure: rebuild from configure.ac
52 Oct 15, 2006 Version 4.5.0
53 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
54 and simply computing rotScale -- thanks to Dan Martin.
56 Mar 16, 2006 Version 4.4.4
57 * Changes for g++ 4.1 support
59 Aug 22, 2005 Version 4.4.2
60 * New URL for downloading CTSim
62 Aug 22, 2005 Version 4.4.1
63 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
65 Aug 22, 2005 Version 4.4.0
66 * Changes in configure.ac for X.org compatibility with Debian Etch
67 and FC4. May not be backward compatibility with XFree86.
69 Aug 10, 2004 Version 4.3.2, Version 4.3.3
70 * Minor changes in man pages to fix groff warnings
72 Nov 1, 2003 Version 4.3.1
73 * Add support for SuSE AMD64
75 Oct 5, 2003 Version 4.3.0
76 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
78 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
81 Oct 3, 2003 Version 4.2.7
82 * Add support for building on RedHat AMD64
84 Sep 30, 2003 Version 4.2.7
85 * Fix minor issue with floating point difference backprojection, add
88 * Fix building with newest versions of automake 1.7
90 * Add support for 8-byte longs [for example, Athlon64] in
91 integer difference backprojection allowing for 64-bit integer
94 Mar 22, 2003 Version 4.2.3
96 * Added Fourier reconstruction method
98 * Support gcc 3.2, wxWindows 2.4, and MacOS X
100 * Fix polar interpolation
102 Jun 26, 2002 Version 3.5.6
104 * Fix minor color PNG image importing bug
106 * Bug fix for building on Debian alpha platform
108 * Fix g++ compilation warnings
110 Jun 13, 2002 Version 3.5.5
112 * Fix printing of version number
116 * Updated Win32 compatibility
118 Jun 8, 2002 Version 3.5.4
120 * Print version number in log window with About command
122 * Fix problem with captions not showing on some windows. Reworked
123 creation of new windows.
125 * Disabled status bar on 3d views
127 * Fix bug in configure.ac that prevented using compiler
130 * Updated About splash screen
132 May 29, 2002 Version 3.5.3
133 * Added support for g++ 3.04 compiler
135 May 8, 2002 Version 3.5.2
136 * configure: improved CTN (DICOM) installation search
137 * src/ctsim.cpp: Fixed initial image size with import command
139 May 5, 2002 Version 3.5.1
143 * ctsim: Added tips to be displayed at startup and via the help menu.
144 * ctsim: Added center-detector concept. Allow for detector array
145 to be any arbitrary distance from center of scanner. As a result,
146 projection files are not incompatible with previous version of
148 * ctsim: Added threaded tasks and background manager for
149 background processing as well as taking advantage of multiple-CPU's
150 on SMP systems. (Microsoft Windows only)
151 * ctsim: Added plot t-theta sampling to projection file menu.
152 * ctsim: Added Reconstruction with Rebinning for faster
153 divergent beam reconstructions.
154 * ctsim: Added import and export of DICOM image files.
155 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
156 * ctsim: Added FFT/IFFT of columns of image files.
157 * ctsim: Added clipboard cut/copy/paste for image files.
158 * ctsim: Added region of interest to reconstructions.
159 * ctsim: Added Convert Rectangular Image to Projection files
160 * ctsim: Added "Verbose Logging", "Startup Tips", and
161 "Background processes" options to Preferences dialog.
162 * ctsim: Added plotting of projection file histograms.
163 * plotfile: Added scattergram plot functions
164 * ctsim: Added accelerator key for File-Properties
165 * ctsim: Improved wireframe 3-d display to remove hidden
167 * backprojectors.cpp: Added setting of axis extent and increment
169 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
170 projection data files.
174 * views.cpp: reduced calls to progress bar update, significant speedup
175 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
176 not being displayed on Unix platforms.
177 * views.cpp: Added out-of-memory checks to display for huge
178 image and projection files.
179 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
180 * imagefile.cpp: Fixed scaling factor in fftRows
181 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
183 * sgp.cpp: Fixed bug in drawCircle.
184 * distribution: fixed problem with documentation files not
185 being included with the distribution (Reported by Ian Kay).
186 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
187 * fixed ctsimtext shell when giving no parameters to function-name
188 * phm2if, phm2pj: Updated help messages for renamed phantoms
190 3.0.3 - Released 2/20/01
192 * ctsim: Fixed core dump on Linux with OpenGL
194 * ctsim: Fixed context-sensitive help on Linux
196 * ctsim: Fixed About box on Linux
198 3.0.2 - Released 2/20/01
200 * scanner.cpp: Fixed bug when number of detectors was even.
202 * ctsim: Improved error handling when trying to convert
203 divergent projections into polar form.
205 3.0.1 - Released 2/19/01
207 * ctsim: Fixed dialog box for reconstruction so that
208 rotation angle setting will stay fixed in-between use
211 * syserror: Fixed display bug for trace messages
213 * ctsim: MSVC optimization bug work-around, compiler
216 3.0.0 - Released 2/19/01
218 * ctsim: Massive update/fix to online help and print manual.
220 * ctsim: Added context-sensitive help to dialog boxes
222 * ctsim: Reformated all dialog boxes, much nicer now.
224 * ctsim: Improved accelerator key handling
226 * global: Added Hanning filter.
228 * global: Improved default parameters to that all defaults give
231 3.0.0beta1 - Released 2/11/01
233 * ctsim: Added most-recently-used files to File menu with
234 registry storage between executions.
236 * ctsim: Hides arcane features unless enabled by Preferences dialog
238 * ctsim: Added MDI interface for Windows version and made it default for Windows.
240 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
242 * ctsim: Added graphical About box
244 * ctsim: Escape key now removes cursor lines from image file view
246 * ctsim: Added Revert to ImageFile menu
248 * ctsim: Added accelerator (hotkeys) to frames
250 * ctsim: Online help added!
252 * backprojector: Added cubic interpolation
254 * ctsim: Added icons to Frames on X-Window and MS Windows versions
256 * ctsim: Fixed tick-label placement for plots on projection and
257 reconstruction dialogs.
259 * timer.h: Add use of _ftime when compiling on MSVC
261 * global: Projection files are not compatible with previous version
262 due to new scanner definitions.
264 * global: deleted concept of field-of-view and added
265 view ratio and scan ratio concepts.
267 * ctsim: Fixed crash on shutdown bug
269 * pjinfo: Fixed bug when doing --dump and not specifing --endview
271 * phm2pj: Fixed MPI bug with broadcasting of variables
273 * ctsimtext-lam: Changes for first version to compile under lam
276 3.0.0alpha5 - Released 1/12/00
278 * ctsim: Added EZPlotDialog, used by debugging plots in
281 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
282 bug in parsing command-line parameters.
284 * views.cpp: Fixed bug in copying of labels from images to
287 * syserror.cpp: fixed reporting for fatal errors
289 * projections.cpp: fixed MSVC failure with std:: namespace
291 * procsignal.cpp: fixed bug in equiangular reconstructions
292 for frequency/inverse-fourier filtering
294 3.0.0alpha4 - Released 1/09/01
296 * ctsim: Added reset to full-intensity scale menu item
298 * ctsim: Add conversion of projections to polar plot [Thanks to
299 Ian Kay for reference and math hints in polar bilinear scaling]
301 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
304 * ctsim: imagefile labels are now copied to plotfiles
306 * ctsim: Added more analyze menuitems
308 * ctsimtext: First version. All command-line tools are now accessed
309 through this master shell. Has both command-line and interactive
312 * ctsim: Fixed initialization of min/max bug for PlotFiles
314 * ezplot: Cleaned up y-tick label placement
316 * sgp: Added better support for projection/reconstruction animation
318 3.0.0alpha3 - Released 1/02/01
320 * ctsim: Added plotting of histograms
322 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
324 * ezplot.cpp: adjusted xtick label displays for better placement
326 3.0alpha2 - Released 1/02/01
328 * ctsim: All functions of command-line tools are now in graphical ctsim
330 * ctsim: added generation of filter images
332 * ctsim: Added 2-image math functions (mul, add, div, sub)
334 * ctsim: Added export of imagefiles to graphic file formats
336 * ctsim: Added support for scaling imagefiles in new sizes
338 * ctsim: Added ability to save standard phantom definitions as
339 text files suitable for reading.
341 * ctsim: Add labels for image transformations and display of labels
342 when performing properties of images.
344 * processsignal.cpp: Fixed "off by one" bug in
345 shuffleNaturalToFourierOrder when n is even. Moved functions to
348 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
349 image math functions to complex-valued math.
351 * phantom.cpp: Added ability to save phantom files as ASCII text.
353 3.0alpha1 - Released 12/29/00
355 * Added PlotFile class to system, used by if2 and ctsim for row
356 and column plots and comparison plots
358 * ctsim: Added image comparison statistics and image subtraction
360 * ctsim: Added plotting of rows & columns with y-axis scaling
362 * ctsim: Added row and column plot comparisons between two image
365 * ctsim: Added "Process" menu to image file display with math
366 functions. Added 2-dimensional inverse Fourier to math
367 functions. Added support for complex (real/imaginary) images.
369 * mathfuncs.cpp: Reworked statistics algorithm to share between
370 imagefile and plotfile classes.
372 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
373 nsamples > 2. Added generic mage math functions, moved from
374 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
377 * array2dfile.cpp: Added code to support complex (real/imaginary)
380 * if1: Updated to handle error conditions, such as sqrt of a
381 negative number. Converted to use new ImageFile math functions.
383 * if2: Updated to output plot files and use new ImageFile class
386 * if1: Updated to use new ImageFile class math functions
388 * ezplot: Reworked to better store colors/linestyles/symbols with
389 individual curves. Improved display of labels and ticks. Updated
390 to use POL class member variable. Updated to more C++ conventions.
392 * pol: converted to C++ class. Extracted HashTable to separate
395 * sgp: Added linestyle settings
398 First Microsoft Windows GUI version
399 Modifications for Microsoft Visual C++ compilation.
400 Improved pjinfo to output binary headers and view data, useful
401 when manually compiling phantoms that vary during projection
402 process. Thanks to Ian Kay for idea and code submission.
403 Improved sorting to find median in ImageFile::statistics
404 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
405 Changed reconstruction dialog to fix onto smaller screens
406 Fixed display of plotting in Projection views
407 Improved animation displays for Projections and Reconstructions
408 Changed code to explicitly use std:: namespace rather than
409 "namespace using std" statements
410 Fixed reconstruction scaling bug introduced in 2.0.6
411 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
414 Fixed minor compilation problem with procsignal.h
416 Fixed bug when simulating projections and Trace == CONSOLE
417 Fixed scaling bug when performing redundant rotations around object
420 Improved compilation on RedHat 7
421 Changed some of ANSI C header files to C++ header files
422 Removed README.RedHat7
425 Added documentation for --geometry setting
426 Added README.RedHat7 document
429 Fixed bug in generation of binary PGM files
430 Fixed MPI compilation bug in phm2pj.cpp
431 Inverted y-axis output for pj2if (bug alert from Ian Kay)
434 Additions to man pages (Ian Kay)
435 Fix problem with reading of ASCII phantom files (Ian Kay)
438 Fixed syntax error in fftw configuration
439 Slight modifications to support gcc v2.9.6
442 Version 2.0.0 released!
443 ctsim: Added Window menu to Main frame
444 ctsim: Disabled not support reconstruction method
445 Fixed obscure bug in sys_error
446 Fixed compilation in mingw environment not present
447 Fixed compilation in non-graphical environments
450 ctsim: Added animation of reconstruction
451 ctsim: Added saving of dialog parameters for Projection & Reconstruction
452 ctsim: Added progress dialog for rasterization of phantom
453 ctsim: used setpriority to set lower priority
454 ctsim: fixed pReconstruct not being deleted causing scaling problem
455 ctsim: fixed projection animation dialog buttons
458 ctsim: Added projection graph to animation of projection collection
459 ctsim: Added single stepping to projection collection animation
460 ctsim: improved File/Properties display for projection files
461 ctsim: Added progress dialog for reconstructions
462 ctsim: Added file labels for projection and reconstruction images
463 ctsim: Made File/Properties bring up modal dialogs
464 Added reconstruction for Equilinear and Equiangular geometries
465 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
466 Separated reconstruction into Reconstructor class
467 Fixed center of detector adjustment for even number of detectors
468 Added --enable-static to generate statically linked programs
471 ctsim: Added animation of projection collection processs
472 ctsim: Added Auto Scaling for image windows
473 ctsim: Change menus from "windowing" to "display scaling"
474 Added FieldOfView and FocalLength ratio parameters to projection collection
475 Added FocalLength & FieldOfView fields to projection data files
476 Added Projection collection for Equilinear and Equiangular geometries
477 Changed name of Rowland Phantom to correct name of Shepp-Logan
478 Fixed bug in backprojection selection
481 Added RCS Id strings to executable files
482 Added RPM Spec file for RPM package creation
483 Added loading of ASCII phanthom definitions from files
484 Fixed compilation for non-SGP architectures
485 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
486 Added Filter-Generation option to reconstruction to allow direct or
487 inverse_fourier construction of filters
488 Added median to statistics and to auto-windowing
491 Added line color support to SGP
495 Finished support for dmallocxx library
496 Fixed bug in SignalFilter::convertFilterMethodNameToID()
497 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
498 G2 windows and well as WXWindows.
499 ctsim program: "Create Phantom" now shows phantom object
500 Fixed row-plot bug in if-2
501 Reworked EZPlot's multiple plot operation
504 ctsim program: improved initial size and scroll area for image
506 ctsim program: added rasterization parameters, projections parameters,
507 and reconstruction parameters dialogs
508 Moved char[] static definition from header files to c++ files
509 Completely reorganized option processing in classes to improve
510 expandability and to assist ctsim graphical user interface.
513 ctsim program: Added dialog to set minimum/maximum display levels
514 Started ctsim.tex document file
517 Fixed compiler warnings at -Wall level
518 Began work on CTSim program to be graphical front-end of all functions
519 Moved current src/*.cpp to tools/*.cpp
520 Made CTSim graphical front-end's home to be src/
523 Added highly optimized backprojection method idiff3
524 Moved comparative stats to if-2 program from ifinfo
525 Fixed image display in if2img using G2 library
526 Added column-plot and row-plot options to if-2
527 Added autoselection of analytic/calculated spatial responses to SignalFilter
528 Added frequency-based preinterpolation to SignalFilter and idiff3
529 backprojection method. Currently, this technique is still under
530 development and debugging
531 Moved graphic file writing to ImageFile class from if2img program
534 Cleaned up SignalFilter class
535 Added zeropad option to pjrec
536 Added zeropad options to html and cgi files
537 Added fourier_table and rfttw filter methods
538 Added FFTW routines to use real/half-complex transformations
541 Updated trace level processing
542 Added trace level to SignalFilter
543 Fixed magnitude vs. real output bug in FFT/Fourier filter
546 Fixed const issue with ImageFileArray
547 Fixed Array2dFile::labelsCopy()
548 Added copy constructor and assignment for Array2dFileLabel class
549 Added Timer to if-2.cpp and ifinfo.cpp
550 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
551 Added option processing for filter-method for pjrec to choose
552 between convolution, dft, & fft filtering
553 Fixed format string for EZPlot so axis labels now print
554 Added support for FFTW library
557 Rewrote Array2dFile class to be non-templated
558 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
559 Rewrote Array2dFileLabel class to make members private, added access routines
560 Removed timedate.cpp in favor of standard C library time/date functions
561 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
562 Added signature tag and creation date/time to projection files
565 Standardized string option processing by classes. All classes use character strings
566 to select options rather than numeric constants. Added fail() and failMessage()
567 methods to verify that objects are created correctly by character strings.
568 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
569 Rewrote ImageFile class
570 Started support for dmallocxx library, not finished
571 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
572 Updated ifinfo to show comparative statistics
573 Added printLabels() to Array2dFile class
574 Added printStatistics() to ImageFile class
577 Moved conversion filter name/id to Filter class
578 Moved conversion backprojection name/id to Backproj class
579 Added MPI broadcasting of strings
582 Merged proj_reconstr into class Projections
583 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
584 Code cleanup in projections.cpp
585 Moved conversion of phantom names/id to Phantom class
588 Converted projection files to C++ library with frnetorderstream
589 Converted image files to C++ library with frnetorderstream
590 Converted filter and convolution to object-oriented code
591 Changed default image file to float from double -- Changable in imagefile.h
592 Optimized image file writing on little-endian architectures
593 Updated README and INSTALL
596 Reorganized source files
597 MPI bug fixed to phm2pj.cpp
600 Reorganized include files
601 Fixed const pointers in strfuncs
604 Renamed directories, moved source files, combined source files
605 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
609 Skip versions to make version 2.0 the first fully C++ version
610 Renamed Raysums to Projections throughout files
611 Renamed Detector to Scanner
612 Converted Scanner and Projecions to full object-oriented
615 Converted Phantom and PhantomElements to Object-Oriented
616 Converted Detector to Object-Oriented
619 Improved Integer backprojection method
620 Fixed nearest neighbor to be truly nearest neighbor
621 Made linear interpolation more integer arithmetic -> speed improvement
622 Finished converting all C files to C++
623 Converted all use of malloc/free to C++ new/delete
624 Began object-oriented conversion of Phantom and Projection structures
627 Converted MPI data structures to C++ object
628 Made ImageFile directly inherit from Array2dFile
631 First C++ conversions
632 Portable IF (image file) format implemented with objects (SDF removed)
633 - Now all data files are cross-platform compatible
634 Converted from MPI to MPI++
635 Converted backprojection to object-oriented
636 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
639 Simpilifed endian handling
642 Added support for 64-bit (IA64) CPU
643 Removed broken B-spline interpolation
644 Added support for cygwin platform under Windows 2000
645 Added support for 16-bit PNG graphics
648 Added compile-time configuration of endian order
651 Modified the raysum file format to be platform independent
654 Added Microsoft VC compatibility
655 Cleaned up compilation warnings in libgraph
658 Continued conversion to ANSI C
659 Removed old CRT routines
662 Renamed pictures to phantoms, objects to phantom elements
663 Continued code cleanup
666 More code cleanup with reorganizing libraries
667 Added --log and --exp to sdf-1
668 Allowed negative numbers for window levels in CGI interface
671 Continued code cleanup
675 Better documented, coded raysum in-memory on on-disk options
678 Cleaned out library that wasn't being used by CTSim
679 Modified ctsim.cgi to read in configuration file ctsim.conf
682 First open source distribution for GNU/Linux
685 Converted to GNU/Linux
686 added MPI support via LAM library
689 Developed under MS-DOS and IBM EGA graphics