1 Dec 21, 2012 Version 5.2.1
2 * tools/phm2helix.cpp: Fix spelling mistake
4 Nov 7, 2010 Version 5.2.0
5 * tools/ifexport.cpp: Add Text output option (thanks to
8 Aug 22, 2009 Version 5.1.3
10 - Improve numbering of unnamed documents. Reduce cut-and-paste code.
12 - Use new AC_INIT form to include package information, email, url
14 Aug 21, 2009 Version 5.1.2
15 * Conditionalize debugging output
17 Aug 20, 2009 Version 5.1.1
18 * Use new wxFont constructor. Adjust font sizes.
20 Aug 12, 2009 Version 5.1.0
21 * All known wxwidgets 2.8 compatibility issues have been fixed
23 Aug 6, 2009 Version 5.0.6
24 * Use wxWidgets command-line processing rather than existing
26 * ezset.cpp: Initialize scale settings in constructor
27 * Improve titles of frames
28 * configure.ac: Use wx-config to determine name of wxGL library
29 * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
30 segv crash when creating 3D objects
32 Aug 3, 2009 Version 5.0.5
33 * Fix plots when maximum plot value is the same as minimum
35 Aug 3, 2009 Version 5.0.5
36 * More wx2.8 compatibility fixes.
37 * Fix initial size of Log TextCtrl at start-up.
38 * Fix display of values in Log window by cleaning up string
41 Aug 2, 2009 Version 5.0.4
42 * More wx2.8 compatibility fixes. Ensure that a resize of a window
43 causes a full repaint for phantom, plot, and graph3d canvases.
45 Aug 1, 2009 Version 5.0.1
46 * missing: Update to latest automake version
47 * configure: make compatible with wxMac
48 * update few source files for non-unicode wxWidgets 2.8 compatibility
50 Aug 1, 2009 Version 5.0.0
51 * Major revision of wxWidgets code to port from wx2.4 to wx2.8
52 Currently, code compiles without warnings, but there are
53 GUI visual problems at the momemt running with wx2.8
55 Sep 17, 2007 Version 4.5.5
56 * better cleaning in makefiles
57 * use "const char" variables for string literals
59 Sep 10, 2007 Version 4.5.4
60 * configure.ac: Fix builds with multiple versions of wx-config
61 -- thanks to Steve White
63 Apr 1, 2007 Version 4.5.3
64 * include/timer.h: Fix building on GCC 4.3
65 -- thanks to Martin Michlmayr
67 Oct 19, 2006 Version 4.5.2
68 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
69 -- thanks to Sven Huth
71 Oct 18, 2006 Version 4.5.1
72 * configure: rebuild from configure.ac
74 Oct 15, 2006 Version 4.5.0
75 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
76 and simply computing rotScale -- thanks to Dan Martin.
78 Mar 16, 2006 Version 4.4.4
79 * Changes for g++ 4.1 support
81 Aug 22, 2005 Version 4.4.2
82 * New URL for downloading CTSim
84 Aug 22, 2005 Version 4.4.1
85 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
87 Aug 22, 2005 Version 4.4.0
88 * Changes in configure.ac for X.org compatibility with Debian Etch
89 and FC4. May not be backward compatibility with XFree86.
91 Aug 10, 2004 Version 4.3.2, Version 4.3.3
92 * Minor changes in man pages to fix groff warnings
94 Nov 1, 2003 Version 4.3.1
95 * Add support for SuSE AMD64
97 Oct 5, 2003 Version 4.3.0
98 * Ported to incompatible FFTW3 library. CTSim will no longer compile or
100 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function
103 Oct 3, 2003 Version 4.2.7
104 * Add support for building on RedHat AMD64
106 Sep 30, 2003 Version 4.2.7
107 * Fix minor issue with floating point difference backprojection, add
110 * Fix building with newest versions of automake 1.7
112 * Add support for 8-byte longs [for example, Athlon64] in
113 integer difference backprojection allowing for 64-bit integer
116 Mar 22, 2003 Version 4.2.3
118 * Added Fourier reconstruction method
120 * Support gcc 3.2, wxWindows 2.4, and MacOS X
122 * Fix polar interpolation
124 Jun 26, 2002 Version 3.5.6
126 * Fix minor color PNG image importing bug
128 * Bug fix for building on Debian alpha platform
130 * Fix g++ compilation warnings
132 Jun 13, 2002 Version 3.5.5
134 * Fix printing of version number
138 * Updated Win32 compatibility
140 Jun 8, 2002 Version 3.5.4
142 * Print version number in log window with About command
144 * Fix problem with captions not showing on some windows. Reworked
145 creation of new windows.
147 * Disabled status bar on 3d views
149 * Fix bug in configure.ac that prevented using compiler
152 * Updated About splash screen
154 May 29, 2002 Version 3.5.3
155 * Added support for g++ 3.04 compiler
157 May 8, 2002 Version 3.5.2
158 * configure: improved CTN (DICOM) installation search
159 * src/ctsim.cpp: Fixed initial image size with import command
161 May 5, 2002 Version 3.5.1
165 * ctsim: Added tips to be displayed at startup and via the help menu.
166 * ctsim: Added center-detector concept. Allow for detector array
167 to be any arbitrary distance from center of scanner. As a result,
168 projection files are not incompatible with previous version of
170 * ctsim: Added threaded tasks and background manager for
171 background processing as well as taking advantage of multiple-CPU's
172 on SMP systems. (Microsoft Windows only)
173 * ctsim: Added plot t-theta sampling to projection file menu.
174 * ctsim: Added Reconstruction with Rebinning for faster
175 divergent beam reconstructions.
176 * ctsim: Added import and export of DICOM image files.
177 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
178 * ctsim: Added FFT/IFFT of columns of image files.
179 * ctsim: Added clipboard cut/copy/paste for image files.
180 * ctsim: Added region of interest to reconstructions.
181 * ctsim: Added Convert Rectangular Image to Projection files
182 * ctsim: Added "Verbose Logging", "Startup Tips", and
183 "Background processes" options to Preferences dialog.
184 * ctsim: Added plotting of projection file histograms.
185 * plotfile: Added scattergram plot functions
186 * ctsim: Added accelerator key for File-Properties
187 * ctsim: Improved wireframe 3-d display to remove hidden
189 * backprojectors.cpp: Added setting of axis extent and increment
191 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
192 projection data files.
196 * views.cpp: reduced calls to progress bar update, significant speedup
197 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
198 not being displayed on Unix platforms.
199 * views.cpp: Added out-of-memory checks to display for huge
200 image and projection files.
201 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
202 * imagefile.cpp: Fixed scaling factor in fftRows
203 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
205 * sgp.cpp: Fixed bug in drawCircle.
206 * distribution: fixed problem with documentation files not
207 being included with the distribution (Reported by Ian Kay).
208 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
209 * fixed ctsimtext shell when giving no parameters to function-name
210 * phm2if, phm2pj: Updated help messages for renamed phantoms
212 3.0.3 - Released 2/20/01
214 * ctsim: Fixed core dump on Linux with OpenGL
216 * ctsim: Fixed context-sensitive help on Linux
218 * ctsim: Fixed About box on Linux
220 3.0.2 - Released 2/20/01
222 * scanner.cpp: Fixed bug when number of detectors was even.
224 * ctsim: Improved error handling when trying to convert
225 divergent projections into polar form.
227 3.0.1 - Released 2/19/01
229 * ctsim: Fixed dialog box for reconstruction so that
230 rotation angle setting will stay fixed in-between use
233 * syserror: Fixed display bug for trace messages
235 * ctsim: MSVC optimization bug work-around, compiler
238 3.0.0 - Released 2/19/01
240 * ctsim: Massive update/fix to online help and print manual.
242 * ctsim: Added context-sensitive help to dialog boxes
244 * ctsim: Reformated all dialog boxes, much nicer now.
246 * ctsim: Improved accelerator key handling
248 * global: Added Hanning filter.
250 * global: Improved default parameters to that all defaults give
253 3.0.0beta1 - Released 2/11/01
255 * ctsim: Added most-recently-used files to File menu with
256 registry storage between executions.
258 * ctsim: Hides arcane features unless enabled by Preferences dialog
260 * ctsim: Added MDI interface for Windows version and made it default for Windows.
262 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
264 * ctsim: Added graphical About box
266 * ctsim: Escape key now removes cursor lines from image file view
268 * ctsim: Added Revert to ImageFile menu
270 * ctsim: Added accelerator (hotkeys) to frames
272 * ctsim: Online help added!
274 * backprojector: Added cubic interpolation
276 * ctsim: Added icons to Frames on X-Window and MS Windows versions
278 * ctsim: Fixed tick-label placement for plots on projection and
279 reconstruction dialogs.
281 * timer.h: Add use of _ftime when compiling on MSVC
283 * global: Projection files are not compatible with previous version
284 due to new scanner definitions.
286 * global: deleted concept of field-of-view and added
287 view ratio and scan ratio concepts.
289 * ctsim: Fixed crash on shutdown bug
291 * pjinfo: Fixed bug when doing --dump and not specifing --endview
293 * phm2pj: Fixed MPI bug with broadcasting of variables
295 * ctsimtext-lam: Changes for first version to compile under lam
298 3.0.0alpha5 - Released 1/12/00
300 * ctsim: Added EZPlotDialog, used by debugging plots in
303 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
304 bug in parsing command-line parameters.
306 * views.cpp: Fixed bug in copying of labels from images to
309 * syserror.cpp: fixed reporting for fatal errors
311 * projections.cpp: fixed MSVC failure with std:: namespace
313 * procsignal.cpp: fixed bug in equiangular reconstructions
314 for frequency/inverse-fourier filtering
316 3.0.0alpha4 - Released 1/09/01
318 * ctsim: Added reset to full-intensity scale menu item
320 * ctsim: Add conversion of projections to polar plot [Thanks to
321 Ian Kay for reference and math hints in polar bilinear scaling]
323 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
326 * ctsim: imagefile labels are now copied to plotfiles
328 * ctsim: Added more analyze menuitems
330 * ctsimtext: First version. All command-line tools are now accessed
331 through this master shell. Has both command-line and interactive
334 * ctsim: Fixed initialization of min/max bug for PlotFiles
336 * ezplot: Cleaned up y-tick label placement
338 * sgp: Added better support for projection/reconstruction animation
340 3.0.0alpha3 - Released 1/02/01
342 * ctsim: Added plotting of histograms
344 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
346 * ezplot.cpp: adjusted xtick label displays for better placement
348 3.0alpha2 - Released 1/02/01
350 * ctsim: All functions of command-line tools are now in graphical ctsim
352 * ctsim: added generation of filter images
354 * ctsim: Added 2-image math functions (mul, add, div, sub)
356 * ctsim: Added export of imagefiles to graphic file formats
358 * ctsim: Added support for scaling imagefiles in new sizes
360 * ctsim: Added ability to save standard phantom definitions as
361 text files suitable for reading.
363 * ctsim: Add labels for image transformations and display of labels
364 when performing properties of images.
366 * processsignal.cpp: Fixed "off by one" bug in
367 shuffleNaturalToFourierOrder when n is even. Moved functions to
370 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
371 image math functions to complex-valued math.
373 * phantom.cpp: Added ability to save phantom files as ASCII text.
375 3.0alpha1 - Released 12/29/00
377 * Added PlotFile class to system, used by if2 and ctsim for row
378 and column plots and comparison plots
380 * ctsim: Added image comparison statistics and image subtraction
382 * ctsim: Added plotting of rows & columns with y-axis scaling
384 * ctsim: Added row and column plot comparisons between two image
387 * ctsim: Added "Process" menu to image file display with math
388 functions. Added 2-dimensional inverse Fourier to math
389 functions. Added support for complex (real/imaginary) images.
391 * mathfuncs.cpp: Reworked statistics algorithm to share between
392 imagefile and plotfile classes.
394 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
395 nsamples > 2. Added generic mage math functions, moved from
396 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
399 * array2dfile.cpp: Added code to support complex (real/imaginary)
402 * if1: Updated to handle error conditions, such as sqrt of a
403 negative number. Converted to use new ImageFile math functions.
405 * if2: Updated to output plot files and use new ImageFile class
408 * if1: Updated to use new ImageFile class math functions
410 * ezplot: Reworked to better store colors/linestyles/symbols with
411 individual curves. Improved display of labels and ticks. Updated
412 to use POL class member variable. Updated to more C++ conventions.
414 * pol: converted to C++ class. Extracted HashTable to separate
417 * sgp: Added linestyle settings
420 First Microsoft Windows GUI version
421 Modifications for Microsoft Visual C++ compilation.
422 Improved pjinfo to output binary headers and view data, useful
423 when manually compiling phantoms that vary during projection
424 process. Thanks to Ian Kay for idea and code submission.
425 Improved sorting to find median in ImageFile::statistics
426 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
427 Changed reconstruction dialog to fix onto smaller screens
428 Fixed display of plotting in Projection views
429 Improved animation displays for Projections and Reconstructions
430 Changed code to explicitly use std:: namespace rather than
431 "namespace using std" statements
432 Fixed reconstruction scaling bug introduced in 2.0.6
433 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
436 Fixed minor compilation problem with procsignal.h
438 Fixed bug when simulating projections and Trace == CONSOLE
439 Fixed scaling bug when performing redundant rotations around object
442 Improved compilation on RedHat 7
443 Changed some of ANSI C header files to C++ header files
444 Removed README.RedHat7
447 Added documentation for --geometry setting
448 Added README.RedHat7 document
451 Fixed bug in generation of binary PGM files
452 Fixed MPI compilation bug in phm2pj.cpp
453 Inverted y-axis output for pj2if (bug alert from Ian Kay)
456 Additions to man pages (Ian Kay)
457 Fix problem with reading of ASCII phantom files (Ian Kay)
460 Fixed syntax error in fftw configuration
461 Slight modifications to support gcc v2.9.6
464 Version 2.0.0 released!
465 ctsim: Added Window menu to Main frame
466 ctsim: Disabled not support reconstruction method
467 Fixed obscure bug in sys_error
468 Fixed compilation in mingw environment not present
469 Fixed compilation in non-graphical environments
472 ctsim: Added animation of reconstruction
473 ctsim: Added saving of dialog parameters for Projection & Reconstruction
474 ctsim: Added progress dialog for rasterization of phantom
475 ctsim: used setpriority to set lower priority
476 ctsim: fixed pReconstruct not being deleted causing scaling problem
477 ctsim: fixed projection animation dialog buttons
480 ctsim: Added projection graph to animation of projection collection
481 ctsim: Added single stepping to projection collection animation
482 ctsim: improved File/Properties display for projection files
483 ctsim: Added progress dialog for reconstructions
484 ctsim: Added file labels for projection and reconstruction images
485 ctsim: Made File/Properties bring up modal dialogs
486 Added reconstruction for Equilinear and Equiangular geometries
487 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
488 Separated reconstruction into Reconstructor class
489 Fixed center of detector adjustment for even number of detectors
490 Added --enable-static to generate statically linked programs
493 ctsim: Added animation of projection collection processs
494 ctsim: Added Auto Scaling for image windows
495 ctsim: Change menus from "windowing" to "display scaling"
496 Added FieldOfView and FocalLength ratio parameters to projection collection
497 Added FocalLength & FieldOfView fields to projection data files
498 Added Projection collection for Equilinear and Equiangular geometries
499 Changed name of Rowland Phantom to correct name of Shepp-Logan
500 Fixed bug in backprojection selection
503 Added RCS Id strings to executable files
504 Added RPM Spec file for RPM package creation
505 Added loading of ASCII phanthom definitions from files
506 Fixed compilation for non-SGP architectures
507 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
508 Added Filter-Generation option to reconstruction to allow direct or
509 inverse_fourier construction of filters
510 Added median to statistics and to auto-windowing
513 Added line color support to SGP
517 Finished support for dmallocxx library
518 Fixed bug in SignalFilter::convertFilterMethodNameToID()
519 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
520 G2 windows and well as WXWindows.
521 ctsim program: "Create Phantom" now shows phantom object
522 Fixed row-plot bug in if-2
523 Reworked EZPlot's multiple plot operation
526 ctsim program: improved initial size and scroll area for image
528 ctsim program: added rasterization parameters, projections parameters,
529 and reconstruction parameters dialogs
530 Moved char[] static definition from header files to c++ files
531 Completely reorganized option processing in classes to improve
532 expandability and to assist ctsim graphical user interface.
535 ctsim program: Added dialog to set minimum/maximum display levels
536 Started ctsim.tex document file
539 Fixed compiler warnings at -Wall level
540 Began work on CTSim program to be graphical front-end of all functions
541 Moved current src/*.cpp to tools/*.cpp
542 Made CTSim graphical front-end's home to be src/
545 Added highly optimized backprojection method idiff3
546 Moved comparative stats to if-2 program from ifinfo
547 Fixed image display in if2img using G2 library
548 Added column-plot and row-plot options to if-2
549 Added autoselection of analytic/calculated spatial responses to SignalFilter
550 Added frequency-based preinterpolation to SignalFilter and idiff3
551 backprojection method. Currently, this technique is still under
552 development and debugging
553 Moved graphic file writing to ImageFile class from if2img program
556 Cleaned up SignalFilter class
557 Added zeropad option to pjrec
558 Added zeropad options to html and cgi files
559 Added fourier_table and rfttw filter methods
560 Added FFTW routines to use real/half-complex transformations
563 Updated trace level processing
564 Added trace level to SignalFilter
565 Fixed magnitude vs. real output bug in FFT/Fourier filter
568 Fixed const issue with ImageFileArray
569 Fixed Array2dFile::labelsCopy()
570 Added copy constructor and assignment for Array2dFileLabel class
571 Added Timer to if-2.cpp and ifinfo.cpp
572 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
573 Added option processing for filter-method for pjrec to choose
574 between convolution, dft, & fft filtering
575 Fixed format string for EZPlot so axis labels now print
576 Added support for FFTW library
579 Rewrote Array2dFile class to be non-templated
580 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
581 Rewrote Array2dFileLabel class to make members private, added access routines
582 Removed timedate.cpp in favor of standard C library time/date functions
583 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
584 Added signature tag and creation date/time to projection files
587 Standardized string option processing by classes. All classes use character strings
588 to select options rather than numeric constants. Added fail() and failMessage()
589 methods to verify that objects are created correctly by character strings.
590 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
591 Rewrote ImageFile class
592 Started support for dmallocxx library, not finished
593 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
594 Updated ifinfo to show comparative statistics
595 Added printLabels() to Array2dFile class
596 Added printStatistics() to ImageFile class
599 Moved conversion filter name/id to Filter class
600 Moved conversion backprojection name/id to Backproj class
601 Added MPI broadcasting of strings
604 Merged proj_reconstr into class Projections
605 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
606 Code cleanup in projections.cpp
607 Moved conversion of phantom names/id to Phantom class
610 Converted projection files to C++ library with frnetorderstream
611 Converted image files to C++ library with frnetorderstream
612 Converted filter and convolution to object-oriented code
613 Changed default image file to float from double -- Changable in imagefile.h
614 Optimized image file writing on little-endian architectures
615 Updated README and INSTALL
618 Reorganized source files
619 MPI bug fixed to phm2pj.cpp
622 Reorganized include files
623 Fixed const pointers in strfuncs
626 Renamed directories, moved source files, combined source files
627 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
631 Skip versions to make version 2.0 the first fully C++ version
632 Renamed Raysums to Projections throughout files
633 Renamed Detector to Scanner
634 Converted Scanner and Projecions to full object-oriented
637 Converted Phantom and PhantomElements to Object-Oriented
638 Converted Detector to Object-Oriented
641 Improved Integer backprojection method
642 Fixed nearest neighbor to be truly nearest neighbor
643 Made linear interpolation more integer arithmetic -> speed improvement
644 Finished converting all C files to C++
645 Converted all use of malloc/free to C++ new/delete
646 Began object-oriented conversion of Phantom and Projection structures
649 Converted MPI data structures to C++ object
650 Made ImageFile directly inherit from Array2dFile
653 First C++ conversions
654 Portable IF (image file) format implemented with objects (SDF removed)
655 - Now all data files are cross-platform compatible
656 Converted from MPI to MPI++
657 Converted backprojection to object-oriented
658 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
661 Simpilifed endian handling
664 Added support for 64-bit (IA64) CPU
665 Removed broken B-spline interpolation
666 Added support for cygwin platform under Windows 2000
667 Added support for 16-bit PNG graphics
670 Added compile-time configuration of endian order
673 Modified the raysum file format to be platform independent
676 Added Microsoft VC compatibility
677 Cleaned up compilation warnings in libgraph
680 Continued conversion to ANSI C
681 Removed old CRT routines
684 Renamed pictures to phantoms, objects to phantom elements
685 Continued code cleanup
688 More code cleanup with reorganizing libraries
689 Added --log and --exp to sdf-1
690 Allowed negative numbers for window levels in CGI interface
693 Continued code cleanup
697 Better documented, coded raysum in-memory on on-disk options
700 Cleaned out library that wasn't being used by CTSim
701 Modified ctsim.cgi to read in configuration file ctsim.conf
704 First open source distribution for GNU/Linux
707 Converted to GNU/Linux
708 added MPI support via LAM library
711 Developed under MS-DOS and IBM EGA graphics