1 Aug 12, 2009 Version 5.1.0
2 * All known wxwidgets 2.8 compatibility issues have been fixed
4 Aug 6, 2009 Version 5.0.6
5 * Use wxWidgets command-line processing rather than existing
7 * ezset.cpp: Initialize scale settings in constructor
8 * Improve titles of frames
9 * configure.ac: Use wx-config to determine name of wxGL library
10 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
11 segv crash when creating 3D objects
13 Aug 3, 2009 Version 5.0.5
14 * Fix plots when maximum plot value is the same as minimum
16 Aug 3, 2009 Version 5.0.5
17 * More wx2.8 compatibility fixes.
18 * Fix initial size of Log TextCtrl at start-up.
19 * Fix display of values in Log window by cleaning up string
22 Aug 2, 2009 Version 5.0.4
23 * More wx2.8 compatibility fixes. Ensure that a resize of a window
24 causes a full repaint for phantom, plot, and graph3d canvases.
26 Aug 1, 2009 Version 5.0.1
27 * missing: Update to latest automake version
28 * configure: make compatible with wxMac
29 * update few source files for non-unicode wxWidgets 2.8 compatibility
31 Aug 1, 2009 Version 5.0.0
32 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
33 Currently, code compiles without warnings, but there are
34 GUI visual problems at the momemt running with wx2.8
36 Sep 17, 2007 Version 4.5.5
37 * better cleaning in makefiles
38 * use "const char" variables for string literals
40 Sep 10, 2007 Version 4.5.4
41 * configure.ac: Fix builds with multiple versions of wx-config
42 -- thanks to Steve White
44 Apr 1, 2007 Version 4.5.3
45 * include/timer.h: Fix building on GCC 4.3
46 -- thanks to Martin Michlmayr
48 Oct 19, 2006 Version 4.5.2
49 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
50 -- thanks to Sven Huth
52 Oct 18, 2006 Version 4.5.1
53 * configure: rebuild from configure.ac
55 Oct 15, 2006 Version 4.5.0
56 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
57 and simply computing rotScale -- thanks to Dan Martin.
59 Mar 16, 2006 Version 4.4.4
60 * Changes for g++ 4.1 support
62 Aug 22, 2005 Version 4.4.2
63 * New URL for downloading CTSim
65 Aug 22, 2005 Version 4.4.1
66 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
68 Aug 22, 2005 Version 4.4.0
69 * Changes in configure.ac for X.org compatibility with Debian Etch
70 and FC4. May not be backward compatibility with XFree86.
72 Aug 10, 2004 Version 4.3.2, Version 4.3.3
73 * Minor changes in man pages to fix groff warnings
75 Nov 1, 2003 Version 4.3.1
76 * Add support for SuSE AMD64
78 Oct 5, 2003 Version 4.3.0
79 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
81 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
84 Oct 3, 2003 Version 4.2.7
85 * Add support for building on RedHat AMD64
87 Sep 30, 2003 Version 4.2.7
88 * Fix minor issue with floating point difference backprojection, add
91 * Fix building with newest versions of automake 1.7
93 * Add support for 8-byte longs [for example, Athlon64] in
94 integer difference backprojection allowing for 64-bit integer
97 Mar 22, 2003 Version 4.2.3
99 * Added Fourier reconstruction method
101 * Support gcc 3.2, wxWindows 2.4, and MacOS X
103 * Fix polar interpolation
105 Jun 26, 2002 Version 3.5.6
107 * Fix minor color PNG image importing bug
109 * Bug fix for building on Debian alpha platform
111 * Fix g++ compilation warnings
113 Jun 13, 2002 Version 3.5.5
115 * Fix printing of version number
119 * Updated Win32 compatibility
121 Jun 8, 2002 Version 3.5.4
123 * Print version number in log window with About command
125 * Fix problem with captions not showing on some windows. Reworked
126 creation of new windows.
128 * Disabled status bar on 3d views
130 * Fix bug in configure.ac that prevented using compiler
133 * Updated About splash screen
135 May 29, 2002 Version 3.5.3
136 * Added support for g++ 3.04 compiler
138 May 8, 2002 Version 3.5.2
139 * configure: improved CTN (DICOM) installation search
140 * src/ctsim.cpp: Fixed initial image size with import command
142 May 5, 2002 Version 3.5.1
146 * ctsim: Added tips to be displayed at startup and via the help menu.
147 * ctsim: Added center-detector concept. Allow for detector array
148 to be any arbitrary distance from center of scanner. As a result,
149 projection files are not incompatible with previous version of
151 * ctsim: Added threaded tasks and background manager for
152 background processing as well as taking advantage of multiple-CPU's
153 on SMP systems. (Microsoft Windows only)
154 * ctsim: Added plot t-theta sampling to projection file menu.
155 * ctsim: Added Reconstruction with Rebinning for faster
156 divergent beam reconstructions.
157 * ctsim: Added import and export of DICOM image files.
158 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
159 * ctsim: Added FFT/IFFT of columns of image files.
160 * ctsim: Added clipboard cut/copy/paste for image files.
161 * ctsim: Added region of interest to reconstructions.
162 * ctsim: Added Convert Rectangular Image to Projection files
163 * ctsim: Added "Verbose Logging", "Startup Tips", and
164 "Background processes" options to Preferences dialog.
165 * ctsim: Added plotting of projection file histograms.
166 * plotfile: Added scattergram plot functions
167 * ctsim: Added accelerator key for File-Properties
168 * ctsim: Improved wireframe 3-d display to remove hidden
170 * backprojectors.cpp: Added setting of axis extent and increment
172 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
173 projection data files.
177 * views.cpp: reduced calls to progress bar update, significant speedup
178 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
179 not being displayed on Unix platforms.
180 * views.cpp: Added out-of-memory checks to display for huge
181 image and projection files.
182 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
183 * imagefile.cpp: Fixed scaling factor in fftRows
184 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
186 * sgp.cpp: Fixed bug in drawCircle.
187 * distribution: fixed problem with documentation files not
188 being included with the distribution (Reported by Ian Kay).
189 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
190 * fixed ctsimtext shell when giving no parameters to function-name
191 * phm2if, phm2pj: Updated help messages for renamed phantoms
193 3.0.3 - Released 2/20/01
195 * ctsim: Fixed core dump on Linux with OpenGL
197 * ctsim: Fixed context-sensitive help on Linux
199 * ctsim: Fixed About box on Linux
201 3.0.2 - Released 2/20/01
203 * scanner.cpp: Fixed bug when number of detectors was even.
205 * ctsim: Improved error handling when trying to convert
206 divergent projections into polar form.
208 3.0.1 - Released 2/19/01
210 * ctsim: Fixed dialog box for reconstruction so that
211 rotation angle setting will stay fixed in-between use
214 * syserror: Fixed display bug for trace messages
216 * ctsim: MSVC optimization bug work-around, compiler
219 3.0.0 - Released 2/19/01
221 * ctsim: Massive update/fix to online help and print manual.
223 * ctsim: Added context-sensitive help to dialog boxes
225 * ctsim: Reformated all dialog boxes, much nicer now.
227 * ctsim: Improved accelerator key handling
229 * global: Added Hanning filter.
231 * global: Improved default parameters to that all defaults give
234 3.0.0beta1 - Released 2/11/01
236 * ctsim: Added most-recently-used files to File menu with
237 registry storage between executions.
239 * ctsim: Hides arcane features unless enabled by Preferences dialog
241 * ctsim: Added MDI interface for Windows version and made it default for Windows.
243 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
245 * ctsim: Added graphical About box
247 * ctsim: Escape key now removes cursor lines from image file view
249 * ctsim: Added Revert to ImageFile menu
251 * ctsim: Added accelerator (hotkeys) to frames
253 * ctsim: Online help added!
255 * backprojector: Added cubic interpolation
257 * ctsim: Added icons to Frames on X-Window and MS Windows versions
259 * ctsim: Fixed tick-label placement for plots on projection and
260 reconstruction dialogs.
262 * timer.h: Add use of _ftime when compiling on MSVC
264 * global: Projection files are not compatible with previous version
265 due to new scanner definitions.
267 * global: deleted concept of field-of-view and added
268 view ratio and scan ratio concepts.
270 * ctsim: Fixed crash on shutdown bug
272 * pjinfo: Fixed bug when doing --dump and not specifing --endview
274 * phm2pj: Fixed MPI bug with broadcasting of variables
276 * ctsimtext-lam: Changes for first version to compile under lam
279 3.0.0alpha5 - Released 1/12/00
281 * ctsim: Added EZPlotDialog, used by debugging plots in
284 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
285 bug in parsing command-line parameters.
287 * views.cpp: Fixed bug in copying of labels from images to
290 * syserror.cpp: fixed reporting for fatal errors
292 * projections.cpp: fixed MSVC failure with std:: namespace
294 * procsignal.cpp: fixed bug in equiangular reconstructions
295 for frequency/inverse-fourier filtering
297 3.0.0alpha4 - Released 1/09/01
299 * ctsim: Added reset to full-intensity scale menu item
301 * ctsim: Add conversion of projections to polar plot [Thanks to
302 Ian Kay for reference and math hints in polar bilinear scaling]
304 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
307 * ctsim: imagefile labels are now copied to plotfiles
309 * ctsim: Added more analyze menuitems
311 * ctsimtext: First version. All command-line tools are now accessed
312 through this master shell. Has both command-line and interactive
315 * ctsim: Fixed initialization of min/max bug for PlotFiles
317 * ezplot: Cleaned up y-tick label placement
319 * sgp: Added better support for projection/reconstruction animation
321 3.0.0alpha3 - Released 1/02/01
323 * ctsim: Added plotting of histograms
325 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
327 * ezplot.cpp: adjusted xtick label displays for better placement
329 3.0alpha2 - Released 1/02/01
331 * ctsim: All functions of command-line tools are now in graphical ctsim
333 * ctsim: added generation of filter images
335 * ctsim: Added 2-image math functions (mul, add, div, sub)
337 * ctsim: Added export of imagefiles to graphic file formats
339 * ctsim: Added support for scaling imagefiles in new sizes
341 * ctsim: Added ability to save standard phantom definitions as
342 text files suitable for reading.
344 * ctsim: Add labels for image transformations and display of labels
345 when performing properties of images.
347 * processsignal.cpp: Fixed "off by one" bug in
348 shuffleNaturalToFourierOrder when n is even. Moved functions to
351 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
352 image math functions to complex-valued math.
354 * phantom.cpp: Added ability to save phantom files as ASCII text.
356 3.0alpha1 - Released 12/29/00
358 * Added PlotFile class to system, used by if2 and ctsim for row
359 and column plots and comparison plots
361 * ctsim: Added image comparison statistics and image subtraction
363 * ctsim: Added plotting of rows & columns with y-axis scaling
365 * ctsim: Added row and column plot comparisons between two image
368 * ctsim: Added "Process" menu to image file display with math
369 functions. Added 2-dimensional inverse Fourier to math
370 functions. Added support for complex (real/imaginary) images.
372 * mathfuncs.cpp: Reworked statistics algorithm to share between
373 imagefile and plotfile classes.
375 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
376 nsamples > 2. Added generic mage math functions, moved from
377 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
380 * array2dfile.cpp: Added code to support complex (real/imaginary)
383 * if1: Updated to handle error conditions, such as sqrt of a
384 negative number. Converted to use new ImageFile math functions.
386 * if2: Updated to output plot files and use new ImageFile class
389 * if1: Updated to use new ImageFile class math functions
391 * ezplot: Reworked to better store colors/linestyles/symbols with
392 individual curves. Improved display of labels and ticks. Updated
393 to use POL class member variable. Updated to more C++ conventions.
395 * pol: converted to C++ class. Extracted HashTable to separate
398 * sgp: Added linestyle settings
401 First Microsoft Windows GUI version
402 Modifications for Microsoft Visual C++ compilation.
403 Improved pjinfo to output binary headers and view data, useful
404 when manually compiling phantoms that vary during projection
405 process. Thanks to Ian Kay for idea and code submission.
406 Improved sorting to find median in ImageFile::statistics
407 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
408 Changed reconstruction dialog to fix onto smaller screens
409 Fixed display of plotting in Projection views
410 Improved animation displays for Projections and Reconstructions
411 Changed code to explicitly use std:: namespace rather than
412 "namespace using std" statements
413 Fixed reconstruction scaling bug introduced in 2.0.6
414 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
417 Fixed minor compilation problem with procsignal.h
419 Fixed bug when simulating projections and Trace == CONSOLE
420 Fixed scaling bug when performing redundant rotations around object
423 Improved compilation on RedHat 7
424 Changed some of ANSI C header files to C++ header files
425 Removed README.RedHat7
428 Added documentation for --geometry setting
429 Added README.RedHat7 document
432 Fixed bug in generation of binary PGM files
433 Fixed MPI compilation bug in phm2pj.cpp
434 Inverted y-axis output for pj2if (bug alert from Ian Kay)
437 Additions to man pages (Ian Kay)
438 Fix problem with reading of ASCII phantom files (Ian Kay)
441 Fixed syntax error in fftw configuration
442 Slight modifications to support gcc v2.9.6
445 Version 2.0.0 released!
446 ctsim: Added Window menu to Main frame
447 ctsim: Disabled not support reconstruction method
448 Fixed obscure bug in sys_error
449 Fixed compilation in mingw environment not present
450 Fixed compilation in non-graphical environments
453 ctsim: Added animation of reconstruction
454 ctsim: Added saving of dialog parameters for Projection & Reconstruction
455 ctsim: Added progress dialog for rasterization of phantom
456 ctsim: used setpriority to set lower priority
457 ctsim: fixed pReconstruct not being deleted causing scaling problem
458 ctsim: fixed projection animation dialog buttons
461 ctsim: Added projection graph to animation of projection collection
462 ctsim: Added single stepping to projection collection animation
463 ctsim: improved File/Properties display for projection files
464 ctsim: Added progress dialog for reconstructions
465 ctsim: Added file labels for projection and reconstruction images
466 ctsim: Made File/Properties bring up modal dialogs
467 Added reconstruction for Equilinear and Equiangular geometries
468 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
469 Separated reconstruction into Reconstructor class
470 Fixed center of detector adjustment for even number of detectors
471 Added --enable-static to generate statically linked programs
474 ctsim: Added animation of projection collection processs
475 ctsim: Added Auto Scaling for image windows
476 ctsim: Change menus from "windowing" to "display scaling"
477 Added FieldOfView and FocalLength ratio parameters to projection collection
478 Added FocalLength & FieldOfView fields to projection data files
479 Added Projection collection for Equilinear and Equiangular geometries
480 Changed name of Rowland Phantom to correct name of Shepp-Logan
481 Fixed bug in backprojection selection
484 Added RCS Id strings to executable files
485 Added RPM Spec file for RPM package creation
486 Added loading of ASCII phanthom definitions from files
487 Fixed compilation for non-SGP architectures
488 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
489 Added Filter-Generation option to reconstruction to allow direct or
490 inverse_fourier construction of filters
491 Added median to statistics and to auto-windowing
494 Added line color support to SGP
498 Finished support for dmallocxx library
499 Fixed bug in SignalFilter::convertFilterMethodNameToID()
500 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
501 G2 windows and well as WXWindows.
502 ctsim program: "Create Phantom" now shows phantom object
503 Fixed row-plot bug in if-2
504 Reworked EZPlot's multiple plot operation
507 ctsim program: improved initial size and scroll area for image
509 ctsim program: added rasterization parameters, projections parameters,
510 and reconstruction parameters dialogs
511 Moved char[] static definition from header files to c++ files
512 Completely reorganized option processing in classes to improve
513 expandability and to assist ctsim graphical user interface.
516 ctsim program: Added dialog to set minimum/maximum display levels
517 Started ctsim.tex document file
520 Fixed compiler warnings at -Wall level
521 Began work on CTSim program to be graphical front-end of all functions
522 Moved current src/*.cpp to tools/*.cpp
523 Made CTSim graphical front-end's home to be src/
526 Added highly optimized backprojection method idiff3
527 Moved comparative stats to if-2 program from ifinfo
528 Fixed image display in if2img using G2 library
529 Added column-plot and row-plot options to if-2
530 Added autoselection of analytic/calculated spatial responses to SignalFilter
531 Added frequency-based preinterpolation to SignalFilter and idiff3
532 backprojection method. Currently, this technique is still under
533 development and debugging
534 Moved graphic file writing to ImageFile class from if2img program
537 Cleaned up SignalFilter class
538 Added zeropad option to pjrec
539 Added zeropad options to html and cgi files
540 Added fourier_table and rfttw filter methods
541 Added FFTW routines to use real/half-complex transformations
544 Updated trace level processing
545 Added trace level to SignalFilter
546 Fixed magnitude vs. real output bug in FFT/Fourier filter
549 Fixed const issue with ImageFileArray
550 Fixed Array2dFile::labelsCopy()
551 Added copy constructor and assignment for Array2dFileLabel class
552 Added Timer to if-2.cpp and ifinfo.cpp
553 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
554 Added option processing for filter-method for pjrec to choose
555 between convolution, dft, & fft filtering
556 Fixed format string for EZPlot so axis labels now print
557 Added support for FFTW library
560 Rewrote Array2dFile class to be non-templated
561 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
562 Rewrote Array2dFileLabel class to make members private, added access routines
563 Removed timedate.cpp in favor of standard C library time/date functions
564 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
565 Added signature tag and creation date/time to projection files
568 Standardized string option processing by classes. All classes use character strings
569 to select options rather than numeric constants. Added fail() and failMessage()
570 methods to verify that objects are created correctly by character strings.
571 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
572 Rewrote ImageFile class
573 Started support for dmallocxx library, not finished
574 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
575 Updated ifinfo to show comparative statistics
576 Added printLabels() to Array2dFile class
577 Added printStatistics() to ImageFile class
580 Moved conversion filter name/id to Filter class
581 Moved conversion backprojection name/id to Backproj class
582 Added MPI broadcasting of strings
585 Merged proj_reconstr into class Projections
586 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
587 Code cleanup in projections.cpp
588 Moved conversion of phantom names/id to Phantom class
591 Converted projection files to C++ library with frnetorderstream
592 Converted image files to C++ library with frnetorderstream
593 Converted filter and convolution to object-oriented code
594 Changed default image file to float from double -- Changable in imagefile.h
595 Optimized image file writing on little-endian architectures
596 Updated README and INSTALL
599 Reorganized source files
600 MPI bug fixed to phm2pj.cpp
603 Reorganized include files
604 Fixed const pointers in strfuncs
607 Renamed directories, moved source files, combined source files
608 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
612 Skip versions to make version 2.0 the first fully C++ version
613 Renamed Raysums to Projections throughout files
614 Renamed Detector to Scanner
615 Converted Scanner and Projecions to full object-oriented
618 Converted Phantom and PhantomElements to Object-Oriented
619 Converted Detector to Object-Oriented
622 Improved Integer backprojection method
623 Fixed nearest neighbor to be truly nearest neighbor
624 Made linear interpolation more integer arithmetic -> speed improvement
625 Finished converting all C files to C++
626 Converted all use of malloc/free to C++ new/delete
627 Began object-oriented conversion of Phantom and Projection structures
630 Converted MPI data structures to C++ object
631 Made ImageFile directly inherit from Array2dFile
634 First C++ conversions
635 Portable IF (image file) format implemented with objects (SDF removed)
636 - Now all data files are cross-platform compatible
637 Converted from MPI to MPI++
638 Converted backprojection to object-oriented
639 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
642 Simpilifed endian handling
645 Added support for 64-bit (IA64) CPU
646 Removed broken B-spline interpolation
647 Added support for cygwin platform under Windows 2000
648 Added support for 16-bit PNG graphics
651 Added compile-time configuration of endian order
654 Modified the raysum file format to be platform independent
657 Added Microsoft VC compatibility
658 Cleaned up compilation warnings in libgraph
661 Continued conversion to ANSI C
662 Removed old CRT routines
665 Renamed pictures to phantoms, objects to phantom elements
666 Continued code cleanup
669 More code cleanup with reorganizing libraries
670 Added --log and --exp to sdf-1
671 Allowed negative numbers for window levels in CGI interface
674 Continued code cleanup
678 Better documented, coded raysum in-memory on on-disk options
681 Cleaned out library that wasn't being used by CTSim
682 Modified ctsim.cgi to read in configuration file ctsim.conf
685 First open source distribution for GNU/Linux
688 Converted to GNU/Linux
689 added MPI support via LAM library
692 Developed under MS-DOS and IBM EGA graphics