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
7 Aug 3, 2009 Version 5.0.5
8 * Fix plots when maximum plot value is the same as minimum
10 Aug 3, 2009 Version 5.0.5
11 * More wx2.8 compatibility fixes.
12 * Fix initial size of Log TextCtrl at start-up.
13 * Fix display of values in Log window by cleaning up string
16 Aug 2, 2009 Version 5.0.4
17 * More wx2.8 compatibility fixes. Ensure that a resize of a window
18 causes a full repaint for phantom, plot, and graph3d canvases.
20 Aug 1, 2009 Version 5.0.1
21 * missing: Update to latest automake version
22 * configure: make compatible with wxMac
23 * update few source files for non-unicode wxWidgets 2.8 compatibility
25 Aug 1, 2009 Version 5.0.0
26 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
27 Currently, code compiles without warnings, but there are
28 GUI visual problems at the momemt running with wx2.8
30 Sep 17, 2007 Version 4.5.5
31 * better cleaning in makefiles
32 * use "const char" variables for string literals
34 Sep 10, 2007 Version 4.5.4
35 * configure.ac: Fix builds with multiple versions of wx-config
36 -- thanks to Steve White
38 Apr 1, 2007 Version 4.5.3
39 * include/timer.h: Fix building on GCC 4.3
40 -- thanks to Martin Michlmayr
42 Oct 19, 2006 Version 4.5.2
43 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
44 -- thanks to Sven Huth
46 Oct 18, 2006 Version 4.5.1
47 * configure: rebuild from configure.ac
49 Oct 15, 2006 Version 4.5.0
50 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
51 and simply computing rotScale -- thanks to Dan Martin.
53 Mar 16, 2006 Version 4.4.4
54 * Changes for g++ 4.1 support
56 Aug 22, 2005 Version 4.4.2
57 * New URL for downloading CTSim
59 Aug 22, 2005 Version 4.4.1
60 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
62 Aug 22, 2005 Version 4.4.0
63 * Changes in configure.ac for X.org compatibility with Debian Etch
64 and FC4. May not be backward compatibility with XFree86.
66 Aug 10, 2004 Version 4.3.2, Version 4.3.3
67 * Minor changes in man pages to fix groff warnings
69 Nov 1, 2003 Version 4.3.1
70 * Add support for SuSE AMD64
72 Oct 5, 2003 Version 4.3.0
73 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
75 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
78 Oct 3, 2003 Version 4.2.7
79 * Add support for building on RedHat AMD64
81 Sep 30, 2003 Version 4.2.7
82 * Fix minor issue with floating point difference backprojection, add
85 * Fix building with newest versions of automake 1.7
87 * Add support for 8-byte longs [for example, Athlon64] in
88 integer difference backprojection allowing for 64-bit integer
91 Mar 22, 2003 Version 4.2.3
93 * Added Fourier reconstruction method
95 * Support gcc 3.2, wxWindows 2.4, and MacOS X
97 * Fix polar interpolation
99 Jun 26, 2002 Version 3.5.6
101 * Fix minor color PNG image importing bug
103 * Bug fix for building on Debian alpha platform
105 * Fix g++ compilation warnings
107 Jun 13, 2002 Version 3.5.5
109 * Fix printing of version number
113 * Updated Win32 compatibility
115 Jun 8, 2002 Version 3.5.4
117 * Print version number in log window with About command
119 * Fix problem with captions not showing on some windows. Reworked
120 creation of new windows.
122 * Disabled status bar on 3d views
124 * Fix bug in configure.ac that prevented using compiler
127 * Updated About splash screen
129 May 29, 2002 Version 3.5.3
130 * Added support for g++ 3.04 compiler
132 May 8, 2002 Version 3.5.2
133 * configure: improved CTN (DICOM) installation search
134 * src/ctsim.cpp: Fixed initial image size with import command
136 May 5, 2002 Version 3.5.1
140 * ctsim: Added tips to be displayed at startup and via the help menu.
141 * ctsim: Added center-detector concept. Allow for detector array
142 to be any arbitrary distance from center of scanner. As a result,
143 projection files are not incompatible with previous version of
145 * ctsim: Added threaded tasks and background manager for
146 background processing as well as taking advantage of multiple-CPU's
147 on SMP systems. (Microsoft Windows only)
148 * ctsim: Added plot t-theta sampling to projection file menu.
149 * ctsim: Added Reconstruction with Rebinning for faster
150 divergent beam reconstructions.
151 * ctsim: Added import and export of DICOM image files.
152 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
153 * ctsim: Added FFT/IFFT of columns of image files.
154 * ctsim: Added clipboard cut/copy/paste for image files.
155 * ctsim: Added region of interest to reconstructions.
156 * ctsim: Added Convert Rectangular Image to Projection files
157 * ctsim: Added "Verbose Logging", "Startup Tips", and
158 "Background processes" options to Preferences dialog.
159 * ctsim: Added plotting of projection file histograms.
160 * plotfile: Added scattergram plot functions
161 * ctsim: Added accelerator key for File-Properties
162 * ctsim: Improved wireframe 3-d display to remove hidden
164 * backprojectors.cpp: Added setting of axis extent and increment
166 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
167 projection data files.
171 * views.cpp: reduced calls to progress bar update, significant speedup
172 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
173 not being displayed on Unix platforms.
174 * views.cpp: Added out-of-memory checks to display for huge
175 image and projection files.
176 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
177 * imagefile.cpp: Fixed scaling factor in fftRows
178 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
180 * sgp.cpp: Fixed bug in drawCircle.
181 * distribution: fixed problem with documentation files not
182 being included with the distribution (Reported by Ian Kay).
183 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
184 * fixed ctsimtext shell when giving no parameters to function-name
185 * phm2if, phm2pj: Updated help messages for renamed phantoms
187 3.0.3 - Released 2/20/01
189 * ctsim: Fixed core dump on Linux with OpenGL
191 * ctsim: Fixed context-sensitive help on Linux
193 * ctsim: Fixed About box on Linux
195 3.0.2 - Released 2/20/01
197 * scanner.cpp: Fixed bug when number of detectors was even.
199 * ctsim: Improved error handling when trying to convert
200 divergent projections into polar form.
202 3.0.1 - Released 2/19/01
204 * ctsim: Fixed dialog box for reconstruction so that
205 rotation angle setting will stay fixed in-between use
208 * syserror: Fixed display bug for trace messages
210 * ctsim: MSVC optimization bug work-around, compiler
213 3.0.0 - Released 2/19/01
215 * ctsim: Massive update/fix to online help and print manual.
217 * ctsim: Added context-sensitive help to dialog boxes
219 * ctsim: Reformated all dialog boxes, much nicer now.
221 * ctsim: Improved accelerator key handling
223 * global: Added Hanning filter.
225 * global: Improved default parameters to that all defaults give
228 3.0.0beta1 - Released 2/11/01
230 * ctsim: Added most-recently-used files to File menu with
231 registry storage between executions.
233 * ctsim: Hides arcane features unless enabled by Preferences dialog
235 * ctsim: Added MDI interface for Windows version and made it default for Windows.
237 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
239 * ctsim: Added graphical About box
241 * ctsim: Escape key now removes cursor lines from image file view
243 * ctsim: Added Revert to ImageFile menu
245 * ctsim: Added accelerator (hotkeys) to frames
247 * ctsim: Online help added!
249 * backprojector: Added cubic interpolation
251 * ctsim: Added icons to Frames on X-Window and MS Windows versions
253 * ctsim: Fixed tick-label placement for plots on projection and
254 reconstruction dialogs.
256 * timer.h: Add use of _ftime when compiling on MSVC
258 * global: Projection files are not compatible with previous version
259 due to new scanner definitions.
261 * global: deleted concept of field-of-view and added
262 view ratio and scan ratio concepts.
264 * ctsim: Fixed crash on shutdown bug
266 * pjinfo: Fixed bug when doing --dump and not specifing --endview
268 * phm2pj: Fixed MPI bug with broadcasting of variables
270 * ctsimtext-lam: Changes for first version to compile under lam
273 3.0.0alpha5 - Released 1/12/00
275 * ctsim: Added EZPlotDialog, used by debugging plots in
278 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
279 bug in parsing command-line parameters.
281 * views.cpp: Fixed bug in copying of labels from images to
284 * syserror.cpp: fixed reporting for fatal errors
286 * projections.cpp: fixed MSVC failure with std:: namespace
288 * procsignal.cpp: fixed bug in equiangular reconstructions
289 for frequency/inverse-fourier filtering
291 3.0.0alpha4 - Released 1/09/01
293 * ctsim: Added reset to full-intensity scale menu item
295 * ctsim: Add conversion of projections to polar plot [Thanks to
296 Ian Kay for reference and math hints in polar bilinear scaling]
298 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
301 * ctsim: imagefile labels are now copied to plotfiles
303 * ctsim: Added more analyze menuitems
305 * ctsimtext: First version. All command-line tools are now accessed
306 through this master shell. Has both command-line and interactive
309 * ctsim: Fixed initialization of min/max bug for PlotFiles
311 * ezplot: Cleaned up y-tick label placement
313 * sgp: Added better support for projection/reconstruction animation
315 3.0.0alpha3 - Released 1/02/01
317 * ctsim: Added plotting of histograms
319 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
321 * ezplot.cpp: adjusted xtick label displays for better placement
323 3.0alpha2 - Released 1/02/01
325 * ctsim: All functions of command-line tools are now in graphical ctsim
327 * ctsim: added generation of filter images
329 * ctsim: Added 2-image math functions (mul, add, div, sub)
331 * ctsim: Added export of imagefiles to graphic file formats
333 * ctsim: Added support for scaling imagefiles in new sizes
335 * ctsim: Added ability to save standard phantom definitions as
336 text files suitable for reading.
338 * ctsim: Add labels for image transformations and display of labels
339 when performing properties of images.
341 * processsignal.cpp: Fixed "off by one" bug in
342 shuffleNaturalToFourierOrder when n is even. Moved functions to
345 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
346 image math functions to complex-valued math.
348 * phantom.cpp: Added ability to save phantom files as ASCII text.
350 3.0alpha1 - Released 12/29/00
352 * Added PlotFile class to system, used by if2 and ctsim for row
353 and column plots and comparison plots
355 * ctsim: Added image comparison statistics and image subtraction
357 * ctsim: Added plotting of rows & columns with y-axis scaling
359 * ctsim: Added row and column plot comparisons between two image
362 * ctsim: Added "Process" menu to image file display with math
363 functions. Added 2-dimensional inverse Fourier to math
364 functions. Added support for complex (real/imaginary) images.
366 * mathfuncs.cpp: Reworked statistics algorithm to share between
367 imagefile and plotfile classes.
369 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
370 nsamples > 2. Added generic mage math functions, moved from
371 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
374 * array2dfile.cpp: Added code to support complex (real/imaginary)
377 * if1: Updated to handle error conditions, such as sqrt of a
378 negative number. Converted to use new ImageFile math functions.
380 * if2: Updated to output plot files and use new ImageFile class
383 * if1: Updated to use new ImageFile class math functions
385 * ezplot: Reworked to better store colors/linestyles/symbols with
386 individual curves. Improved display of labels and ticks. Updated
387 to use POL class member variable. Updated to more C++ conventions.
389 * pol: converted to C++ class. Extracted HashTable to separate
392 * sgp: Added linestyle settings
395 First Microsoft Windows GUI version
396 Modifications for Microsoft Visual C++ compilation.
397 Improved pjinfo to output binary headers and view data, useful
398 when manually compiling phantoms that vary during projection
399 process. Thanks to Ian Kay for idea and code submission.
400 Improved sorting to find median in ImageFile::statistics
401 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
402 Changed reconstruction dialog to fix onto smaller screens
403 Fixed display of plotting in Projection views
404 Improved animation displays for Projections and Reconstructions
405 Changed code to explicitly use std:: namespace rather than
406 "namespace using std" statements
407 Fixed reconstruction scaling bug introduced in 2.0.6
408 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
411 Fixed minor compilation problem with procsignal.h
413 Fixed bug when simulating projections and Trace == CONSOLE
414 Fixed scaling bug when performing redundant rotations around object
417 Improved compilation on RedHat 7
418 Changed some of ANSI C header files to C++ header files
419 Removed README.RedHat7
422 Added documentation for --geometry setting
423 Added README.RedHat7 document
426 Fixed bug in generation of binary PGM files
427 Fixed MPI compilation bug in phm2pj.cpp
428 Inverted y-axis output for pj2if (bug alert from Ian Kay)
431 Additions to man pages (Ian Kay)
432 Fix problem with reading of ASCII phantom files (Ian Kay)
435 Fixed syntax error in fftw configuration
436 Slight modifications to support gcc v2.9.6
439 Version 2.0.0 released!
440 ctsim: Added Window menu to Main frame
441 ctsim: Disabled not support reconstruction method
442 Fixed obscure bug in sys_error
443 Fixed compilation in mingw environment not present
444 Fixed compilation in non-graphical environments
447 ctsim: Added animation of reconstruction
448 ctsim: Added saving of dialog parameters for Projection & Reconstruction
449 ctsim: Added progress dialog for rasterization of phantom
450 ctsim: used setpriority to set lower priority
451 ctsim: fixed pReconstruct not being deleted causing scaling problem
452 ctsim: fixed projection animation dialog buttons
455 ctsim: Added projection graph to animation of projection collection
456 ctsim: Added single stepping to projection collection animation
457 ctsim: improved File/Properties display for projection files
458 ctsim: Added progress dialog for reconstructions
459 ctsim: Added file labels for projection and reconstruction images
460 ctsim: Made File/Properties bring up modal dialogs
461 Added reconstruction for Equilinear and Equiangular geometries
462 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
463 Separated reconstruction into Reconstructor class
464 Fixed center of detector adjustment for even number of detectors
465 Added --enable-static to generate statically linked programs
468 ctsim: Added animation of projection collection processs
469 ctsim: Added Auto Scaling for image windows
470 ctsim: Change menus from "windowing" to "display scaling"
471 Added FieldOfView and FocalLength ratio parameters to projection collection
472 Added FocalLength & FieldOfView fields to projection data files
473 Added Projection collection for Equilinear and Equiangular geometries
474 Changed name of Rowland Phantom to correct name of Shepp-Logan
475 Fixed bug in backprojection selection
478 Added RCS Id strings to executable files
479 Added RPM Spec file for RPM package creation
480 Added loading of ASCII phanthom definitions from files
481 Fixed compilation for non-SGP architectures
482 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
483 Added Filter-Generation option to reconstruction to allow direct or
484 inverse_fourier construction of filters
485 Added median to statistics and to auto-windowing
488 Added line color support to SGP
492 Finished support for dmallocxx library
493 Fixed bug in SignalFilter::convertFilterMethodNameToID()
494 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
495 G2 windows and well as WXWindows.
496 ctsim program: "Create Phantom" now shows phantom object
497 Fixed row-plot bug in if-2
498 Reworked EZPlot's multiple plot operation
501 ctsim program: improved initial size and scroll area for image
503 ctsim program: added rasterization parameters, projections parameters,
504 and reconstruction parameters dialogs
505 Moved char[] static definition from header files to c++ files
506 Completely reorganized option processing in classes to improve
507 expandability and to assist ctsim graphical user interface.
510 ctsim program: Added dialog to set minimum/maximum display levels
511 Started ctsim.tex document file
514 Fixed compiler warnings at -Wall level
515 Began work on CTSim program to be graphical front-end of all functions
516 Moved current src/*.cpp to tools/*.cpp
517 Made CTSim graphical front-end's home to be src/
520 Added highly optimized backprojection method idiff3
521 Moved comparative stats to if-2 program from ifinfo
522 Fixed image display in if2img using G2 library
523 Added column-plot and row-plot options to if-2
524 Added autoselection of analytic/calculated spatial responses to SignalFilter
525 Added frequency-based preinterpolation to SignalFilter and idiff3
526 backprojection method. Currently, this technique is still under
527 development and debugging
528 Moved graphic file writing to ImageFile class from if2img program
531 Cleaned up SignalFilter class
532 Added zeropad option to pjrec
533 Added zeropad options to html and cgi files
534 Added fourier_table and rfttw filter methods
535 Added FFTW routines to use real/half-complex transformations
538 Updated trace level processing
539 Added trace level to SignalFilter
540 Fixed magnitude vs. real output bug in FFT/Fourier filter
543 Fixed const issue with ImageFileArray
544 Fixed Array2dFile::labelsCopy()
545 Added copy constructor and assignment for Array2dFileLabel class
546 Added Timer to if-2.cpp and ifinfo.cpp
547 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
548 Added option processing for filter-method for pjrec to choose
549 between convolution, dft, & fft filtering
550 Fixed format string for EZPlot so axis labels now print
551 Added support for FFTW library
554 Rewrote Array2dFile class to be non-templated
555 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
556 Rewrote Array2dFileLabel class to make members private, added access routines
557 Removed timedate.cpp in favor of standard C library time/date functions
558 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
559 Added signature tag and creation date/time to projection files
562 Standardized string option processing by classes. All classes use character strings
563 to select options rather than numeric constants. Added fail() and failMessage()
564 methods to verify that objects are created correctly by character strings.
565 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
566 Rewrote ImageFile class
567 Started support for dmallocxx library, not finished
568 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
569 Updated ifinfo to show comparative statistics
570 Added printLabels() to Array2dFile class
571 Added printStatistics() to ImageFile class
574 Moved conversion filter name/id to Filter class
575 Moved conversion backprojection name/id to Backproj class
576 Added MPI broadcasting of strings
579 Merged proj_reconstr into class Projections
580 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
581 Code cleanup in projections.cpp
582 Moved conversion of phantom names/id to Phantom class
585 Converted projection files to C++ library with frnetorderstream
586 Converted image files to C++ library with frnetorderstream
587 Converted filter and convolution to object-oriented code
588 Changed default image file to float from double -- Changable in imagefile.h
589 Optimized image file writing on little-endian architectures
590 Updated README and INSTALL
593 Reorganized source files
594 MPI bug fixed to phm2pj.cpp
597 Reorganized include files
598 Fixed const pointers in strfuncs
601 Renamed directories, moved source files, combined source files
602 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
606 Skip versions to make version 2.0 the first fully C++ version
607 Renamed Raysums to Projections throughout files
608 Renamed Detector to Scanner
609 Converted Scanner and Projecions to full object-oriented
612 Converted Phantom and PhantomElements to Object-Oriented
613 Converted Detector to Object-Oriented
616 Improved Integer backprojection method
617 Fixed nearest neighbor to be truly nearest neighbor
618 Made linear interpolation more integer arithmetic -> speed improvement
619 Finished converting all C files to C++
620 Converted all use of malloc/free to C++ new/delete
621 Began object-oriented conversion of Phantom and Projection structures
624 Converted MPI data structures to C++ object
625 Made ImageFile directly inherit from Array2dFile
628 First C++ conversions
629 Portable IF (image file) format implemented with objects (SDF removed)
630 - Now all data files are cross-platform compatible
631 Converted from MPI to MPI++
632 Converted backprojection to object-oriented
633 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
636 Simpilifed endian handling
639 Added support for 64-bit (IA64) CPU
640 Removed broken B-spline interpolation
641 Added support for cygwin platform under Windows 2000
642 Added support for 16-bit PNG graphics
645 Added compile-time configuration of endian order
648 Modified the raysum file format to be platform independent
651 Added Microsoft VC compatibility
652 Cleaned up compilation warnings in libgraph
655 Continued conversion to ANSI C
656 Removed old CRT routines
659 Renamed pictures to phantoms, objects to phantom elements
660 Continued code cleanup
663 More code cleanup with reorganizing libraries
664 Added --log and --exp to sdf-1
665 Allowed negative numbers for window levels in CGI interface
668 Continued code cleanup
672 Better documented, coded raysum in-memory on on-disk options
675 Cleaned out library that wasn't being used by CTSim
676 Modified ctsim.cgi to read in configuration file ctsim.conf
679 First open source distribution for GNU/Linux
682 Converted to GNU/Linux
683 added MPI support via LAM library
686 Developed under MS-DOS and IBM EGA graphics