1 Oct 19, 2006 Version 4.5.2
2 * src/lipctsim/imagefile.cpp: Change delete to fftw_free
5 Oct 18, 2006 Version 4.5.1
6 * configure: rebuild from configure.ac
8 Oct 15, 2006 Version 4.5.0
9 * libctsim/backprojectors.cpp: Fix for iteration bug in backprojection
10 and simply computing rotScale -- thanks to Dan Martin.
12 Mar 16, 2006 Version 4.4.4
13 * Changes for g++ 4.1 support
15 Aug 22, 2005 Version 4.4.2
16 * New URL for downloading CTSim
18 Aug 22, 2005 Version 4.4.1
19 * work-around for compilation problems on Fedora 4 and wxWin 2.4.2
21 Aug 22, 2005 Version 4.4.0
22 * Changes in configure.ac for X.org compatibility with Debian Etch
23 and FC4. May not be backward compatibility with XFree86.
25 Aug 10, 2004 Version 4.3.2, Version 4.3.3
26 * Minor changes in man pages to fix groff warnings
28 Nov 1, 2003 Version 4.3.1
29 * Add support for SuSE AMD64
31 Oct 5, 2003 Version 4.3.0
32 * Ported to incompatible FFTW3 library. CTSim will no longer compile or run with FFTW2.
33 * Save FFTW3 in $HOME/.fftw3-wisdom on platforms where getenv function is available
35 Oct 3, 2003 Version 4.2.7
36 * Add support for building on RedHat AMD64
38 Sep 30, 2003 Version 4.2.7
39 * Fix minor issue with floating point difference backprojection, add
42 * Fix building with newest versions of automake 1.7
44 * Add support for 8-byte longs [for example, Athlon64] in
45 integer difference backprojection allowing for 64-bit integer
48 Mar 22, 2003 Version 4.2.3
50 * Added Fourier reconstruction method
52 * Support gcc 3.2, wxWindows 2.4, and MacOS X
54 * Fix polar interpolation
56 Jun 26, 2002 Version 3.5.6
58 * Fix minor color PNG image importing bug
60 * Bug fix for building on Debian alpha platform
62 * Fix g++ compilation warnings
64 Jun 13, 2002 Version 3.5.5
66 * Fix printing of version number
70 * Updated Win32 compatibility
72 Jun 8, 2002 Version 3.5.4
74 * Print version number in log window with About command
76 * Fix problem with captions not showing on some windows. Reworked
77 creation of new windows.
79 * Disabled status bar on 3d views
81 * Fix bug in configure.ac that prevented using compiler
84 * Updated About splash screen
86 May 29, 2002 Version 3.5.3
87 * Added support for g++ 3.04 compiler
89 May 8, 2002 Version 3.5.2
90 * configure: improved CTN (DICOM) installation search
91 * src/ctsim.cpp: Fixed initial image size with import command
93 May 5, 2002 Version 3.5.1
97 * ctsim: Added tips to be displayed at startup and via the help menu.
98 * ctsim: Added center-detector concept. Allow for detector array
99 to be any arbitrary distance from center of scanner. As a result,
100 projection files are not incompatible with previous version of
102 * ctsim: Added threaded tasks and background manager for
103 background processing as well as taking advantage of multiple-CPU's
104 on SMP systems. (Microsoft Windows only)
105 * ctsim: Added plot t-theta sampling to projection file menu.
106 * ctsim: Added Reconstruction with Rebinning for faster
107 divergent beam reconstructions.
108 * ctsim: Added import and export of DICOM image files.
109 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
110 * ctsim: Added FFT/IFFT of columns of image files.
111 * ctsim: Added clipboard cut/copy/paste for image files.
112 * ctsim: Added region of interest to reconstructions.
113 * ctsim: Added Convert Rectangular Image to Projection files
114 * ctsim: Added "Verbose Logging", "Startup Tips", and
115 "Background processes" options to Preferences dialog.
116 * ctsim: Added plotting of projection file histograms.
117 * plotfile: Added scattergram plot functions
118 * ctsim: Added accelerator key for File-Properties
119 * ctsim: Improved wireframe 3-d display to remove hidden
121 * backprojectors.cpp: Added setting of axis extent and increment
123 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
124 projection data files.
128 * views.cpp: reduced calls to progress bar update, significant speedup
129 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
130 not being displayed on Unix platforms.
131 * views.cpp: Added out-of-memory checks to display for huge
132 image and projection files.
133 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
134 * imagefile.cpp: Fixed scaling factor in fftRows
135 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
137 * sgp.cpp: Fixed bug in drawCircle.
138 * distribution: fixed problem with documentation files not
139 being included with the distribution (Reported by Ian Kay).
140 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
141 * fixed ctsimtext shell when giving no parameters to function-name
142 * phm2if, phm2pj: Updated help messages for renamed phantoms
144 3.0.3 - Released 2/20/01
146 * ctsim: Fixed core dump on Linux with OpenGL
148 * ctsim: Fixed context-sensitive help on Linux
150 * ctsim: Fixed About box on Linux
152 3.0.2 - Released 2/20/01
154 * scanner.cpp: Fixed bug when number of detectors was even.
156 * ctsim: Improved error handling when trying to convert
157 divergent projections into polar form.
159 3.0.1 - Released 2/19/01
161 * ctsim: Fixed dialog box for reconstruction so that
162 rotation angle setting will stay fixed in-between use
165 * syserror: Fixed display bug for trace messages
167 * ctsim: MSVC optimization bug work-around, compiler
170 3.0.0 - Released 2/19/01
172 * ctsim: Massive update/fix to online help and print manual.
174 * ctsim: Added context-sensitive help to dialog boxes
176 * ctsim: Reformated all dialog boxes, much nicer now.
178 * ctsim: Improved accelerator key handling
180 * global: Added Hanning filter.
182 * global: Improved default parameters to that all defaults give
185 3.0.0beta1 - Released 2/11/01
187 * ctsim: Added most-recently-used files to File menu with
188 registry storage between executions.
190 * ctsim: Hides arcane features unless enabled by Preferences dialog
192 * ctsim: Added MDI interface for Windows version and made it default for Windows.
194 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
196 * ctsim: Added graphical About box
198 * ctsim: Escape key now removes cursor lines from image file view
200 * ctsim: Added Revert to ImageFile menu
202 * ctsim: Added accelerator (hotkeys) to frames
204 * ctsim: Online help added!
206 * backprojector: Added cubic interpolation
208 * ctsim: Added icons to Frames on X-Window and MS Windows versions
210 * ctsim: Fixed tick-label placement for plots on projection and
211 reconstruction dialogs.
213 * timer.h: Add use of _ftime when compiling on MSVC
215 * global: Projection files are not compatible with previous version
216 due to new scanner definitions.
218 * global: deleted concept of field-of-view and added
219 view ratio and scan ratio concepts.
221 * ctsim: Fixed crash on shutdown bug
223 * pjinfo: Fixed bug when doing --dump and not specifing --endview
225 * phm2pj: Fixed MPI bug with broadcasting of variables
227 * ctsimtext-lam: Changes for first version to compile under lam
230 3.0.0alpha5 - Released 1/12/00
232 * ctsim: Added EZPlotDialog, used by debugging plots in
235 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
236 bug in parsing command-line parameters.
238 * views.cpp: Fixed bug in copying of labels from images to
241 * syserror.cpp: fixed reporting for fatal errors
243 * projections.cpp: fixed MSVC failure with std:: namespace
245 * procsignal.cpp: fixed bug in equiangular reconstructions
246 for frequency/inverse-fourier filtering
248 3.0.0alpha4 - Released 1/09/01
250 * ctsim: Added reset to full-intensity scale menu item
252 * ctsim: Add conversion of projections to polar plot [Thanks to
253 Ian Kay for reference and math hints in polar bilinear scaling]
255 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
258 * ctsim: imagefile labels are now copied to plotfiles
260 * ctsim: Added more analyze menuitems
262 * ctsimtext: First version. All command-line tools are now accessed
263 through this master shell. Has both command-line and interactive
266 * ctsim: Fixed initialization of min/max bug for PlotFiles
268 * ezplot: Cleaned up y-tick label placement
270 * sgp: Added better support for projection/reconstruction animation
272 3.0.0alpha3 - Released 1/02/01
274 * ctsim: Added plotting of histograms
276 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
278 * ezplot.cpp: adjusted xtick label displays for better placement
280 3.0alpha2 - Released 1/02/01
282 * ctsim: All functions of command-line tools are now in graphical ctsim
284 * ctsim: added generation of filter images
286 * ctsim: Added 2-image math functions (mul, add, div, sub)
288 * ctsim: Added export of imagefiles to graphic file formats
290 * ctsim: Added support for scaling imagefiles in new sizes
292 * ctsim: Added ability to save standard phantom definitions as
293 text files suitable for reading.
295 * ctsim: Add labels for image transformations and display of labels
296 when performing properties of images.
298 * processsignal.cpp: Fixed "off by one" bug in
299 shuffleNaturalToFourierOrder when n is even. Moved functions to
302 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
303 image math functions to complex-valued math.
305 * phantom.cpp: Added ability to save phantom files as ASCII text.
307 3.0alpha1 - Released 12/29/00
309 * Added PlotFile class to system, used by if2 and ctsim for row
310 and column plots and comparison plots
312 * ctsim: Added image comparison statistics and image subtraction
314 * ctsim: Added plotting of rows & columns with y-axis scaling
316 * ctsim: Added row and column plot comparisons between two image
319 * ctsim: Added "Process" menu to image file display with math
320 functions. Added 2-dimensional inverse Fourier to math
321 functions. Added support for complex (real/imaginary) images.
323 * mathfuncs.cpp: Reworked statistics algorithm to share between
324 imagefile and plotfile classes.
326 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
327 nsamples > 2. Added generic mage math functions, moved from
328 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
331 * array2dfile.cpp: Added code to support complex (real/imaginary)
334 * if1: Updated to handle error conditions, such as sqrt of a
335 negative number. Converted to use new ImageFile math functions.
337 * if2: Updated to output plot files and use new ImageFile class
340 * if1: Updated to use new ImageFile class math functions
342 * ezplot: Reworked to better store colors/linestyles/symbols with
343 individual curves. Improved display of labels and ticks. Updated
344 to use POL class member variable. Updated to more C++ conventions.
346 * pol: converted to C++ class. Extracted HashTable to separate
349 * sgp: Added linestyle settings
352 First Microsoft Windows GUI version
353 Modifications for Microsoft Visual C++ compilation.
354 Improved pjinfo to output binary headers and view data, useful
355 when manually compiling phantoms that vary during projection
356 process. Thanks to Ian Kay for idea and code submission.
357 Improved sorting to find median in ImageFile::statistics
358 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
359 Changed reconstruction dialog to fix onto smaller screens
360 Fixed display of plotting in Projection views
361 Improved animation displays for Projections and Reconstructions
362 Changed code to explicitly use std:: namespace rather than
363 "namespace using std" statements
364 Fixed reconstruction scaling bug introduced in 2.0.6
365 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
368 Fixed minor compilation problem with procsignal.h
370 Fixed bug when simulating projections and Trace == CONSOLE
371 Fixed scaling bug when performing redundant rotations around object
374 Improved compilation on RedHat 7
375 Changed some of ANSI C header files to C++ header files
376 Removed README.RedHat7
379 Added documentation for --geometry setting
380 Added README.RedHat7 document
383 Fixed bug in generation of binary PGM files
384 Fixed MPI compilation bug in phm2pj.cpp
385 Inverted y-axis output for pj2if (bug alert from Ian Kay)
388 Additions to man pages (Ian Kay)
389 Fix problem with reading of ASCII phantom files (Ian Kay)
392 Fixed syntax error in fftw configuration
393 Slight modifications to support gcc v2.9.6
396 Version 2.0.0 released!
397 ctsim: Added Window menu to Main frame
398 ctsim: Disabled not support reconstruction method
399 Fixed obscure bug in sys_error
400 Fixed compilation in mingw environment not present
401 Fixed compilation in non-graphical environments
404 ctsim: Added animation of reconstruction
405 ctsim: Added saving of dialog parameters for Projection & Reconstruction
406 ctsim: Added progress dialog for rasterization of phantom
407 ctsim: used setpriority to set lower priority
408 ctsim: fixed pReconstruct not being deleted causing scaling problem
409 ctsim: fixed projection animation dialog buttons
412 ctsim: Added projection graph to animation of projection collection
413 ctsim: Added single stepping to projection collection animation
414 ctsim: improved File/Properties display for projection files
415 ctsim: Added progress dialog for reconstructions
416 ctsim: Added file labels for projection and reconstruction images
417 ctsim: Made File/Properties bring up modal dialogs
418 Added reconstruction for Equilinear and Equiangular geometries
419 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
420 Separated reconstruction into Reconstructor class
421 Fixed center of detector adjustment for even number of detectors
422 Added --enable-static to generate statically linked programs
425 ctsim: Added animation of projection collection processs
426 ctsim: Added Auto Scaling for image windows
427 ctsim: Change menus from "windowing" to "display scaling"
428 Added FieldOfView and FocalLength ratio parameters to projection collection
429 Added FocalLength & FieldOfView fields to projection data files
430 Added Projection collection for Equilinear and Equiangular geometries
431 Changed name of Rowland Phantom to correct name of Shepp-Logan
432 Fixed bug in backprojection selection
435 Added RCS Id strings to executable files
436 Added RPM Spec file for RPM package creation
437 Added loading of ASCII phanthom definitions from files
438 Fixed compilation for non-SGP architectures
439 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
440 Added Filter-Generation option to reconstruction to allow direct or
441 inverse_fourier construction of filters
442 Added median to statistics and to auto-windowing
445 Added line color support to SGP
449 Finished support for dmallocxx library
450 Fixed bug in SignalFilter::convertFilterMethodNameToID()
451 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
452 G2 windows and well as WXWindows.
453 ctsim program: "Create Phantom" now shows phantom object
454 Fixed row-plot bug in if-2
455 Reworked EZPlot's multiple plot operation
458 ctsim program: improved initial size and scroll area for image
460 ctsim program: added rasterization parameters, projections parameters,
461 and reconstruction parameters dialogs
462 Moved char[] static definition from header files to c++ files
463 Completely reorganized option processing in classes to improve
464 expandability and to assist ctsim graphical user interface.
467 ctsim program: Added dialog to set minimum/maximum display levels
468 Started ctsim.tex document file
471 Fixed compiler warnings at -Wall level
472 Began work on CTSim program to be graphical front-end of all functions
473 Moved current src/*.cpp to tools/*.cpp
474 Made CTSim graphical front-end's home to be src/
477 Added highly optimized backprojection method idiff3
478 Moved comparative stats to if-2 program from ifinfo
479 Fixed image display in if2img using G2 library
480 Added column-plot and row-plot options to if-2
481 Added autoselection of analytic/calculated spatial responses to SignalFilter
482 Added frequency-based preinterpolation to SignalFilter and idiff3
483 backprojection method. Currently, this technique is still under
484 development and debugging
485 Moved graphic file writing to ImageFile class from if2img program
488 Cleaned up SignalFilter class
489 Added zeropad option to pjrec
490 Added zeropad options to html and cgi files
491 Added fourier_table and rfttw filter methods
492 Added FFTW routines to use real/half-complex transformations
495 Updated trace level processing
496 Added trace level to SignalFilter
497 Fixed magnitude vs. real output bug in FFT/Fourier filter
500 Fixed const issue with ImageFileArray
501 Fixed Array2dFile::labelsCopy()
502 Added copy constructor and assignment for Array2dFileLabel class
503 Added Timer to if-2.cpp and ifinfo.cpp
504 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
505 Added option processing for filter-method for pjrec to choose
506 between convolution, dft, & fft filtering
507 Fixed format string for EZPlot so axis labels now print
508 Added support for FFTW library
511 Rewrote Array2dFile class to be non-templated
512 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
513 Rewrote Array2dFileLabel class to make members private, added access routines
514 Removed timedate.cpp in favor of standard C library time/date functions
515 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
516 Added signature tag and creation date/time to projection files
519 Standardized string option processing by classes. All classes use character strings
520 to select options rather than numeric constants. Added fail() and failMessage()
521 methods to verify that objects are created correctly by character strings.
522 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
523 Rewrote ImageFile class
524 Started support for dmallocxx library, not finished
525 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
526 Updated ifinfo to show comparative statistics
527 Added printLabels() to Array2dFile class
528 Added printStatistics() to ImageFile class
531 Moved conversion filter name/id to Filter class
532 Moved conversion backprojection name/id to Backproj class
533 Added MPI broadcasting of strings
536 Merged proj_reconstr into class Projections
537 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
538 Code cleanup in projections.cpp
539 Moved conversion of phantom names/id to Phantom class
542 Converted projection files to C++ library with frnetorderstream
543 Converted image files to C++ library with frnetorderstream
544 Converted filter and convolution to object-oriented code
545 Changed default image file to float from double -- Changable in imagefile.h
546 Optimized image file writing on little-endian architectures
547 Updated README and INSTALL
550 Reorganized source files
551 MPI bug fixed to phm2pj.cpp
554 Reorganized include files
555 Fixed const pointers in strfuncs
558 Renamed directories, moved source files, combined source files
559 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
563 Skip versions to make version 2.0 the first fully C++ version
564 Renamed Raysums to Projections throughout files
565 Renamed Detector to Scanner
566 Converted Scanner and Projecions to full object-oriented
569 Converted Phantom and PhantomElements to Object-Oriented
570 Converted Detector to Object-Oriented
573 Improved Integer backprojection method
574 Fixed nearest neighbor to be truly nearest neighbor
575 Made linear interpolation more integer arithmetic -> speed improvement
576 Finished converting all C files to C++
577 Converted all use of malloc/free to C++ new/delete
578 Began object-oriented conversion of Phantom and Projection structures
581 Converted MPI data structures to C++ object
582 Made ImageFile directly inherit from Array2dFile
585 First C++ conversions
586 Portable IF (image file) format implemented with objects (SDF removed)
587 - Now all data files are cross-platform compatible
588 Converted from MPI to MPI++
589 Converted backprojection to object-oriented
590 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
593 Simpilifed endian handling
596 Added support for 64-bit (IA64) CPU
597 Removed broken B-spline interpolation
598 Added support for cygwin platform under Windows 2000
599 Added support for 16-bit PNG graphics
602 Added compile-time configuration of endian order
605 Modified the raysum file format to be platform independent
608 Added Microsoft VC compatibility
609 Cleaned up compilation warnings in libgraph
612 Continued conversion to ANSI C
613 Removed old CRT routines
616 Renamed pictures to phantoms, objects to phantom elements
617 Continued code cleanup
620 More code cleanup with reorganizing libraries
621 Added --log and --exp to sdf-1
622 Allowed negative numbers for window levels in CGI interface
625 Continued code cleanup
629 Better documented, coded raysum in-memory on on-disk options
632 Cleaned out library that wasn't being used by CTSim
633 Modified ctsim.cgi to read in configuration file ctsim.conf
636 First open source distribution for GNU/Linux
639 Converted to GNU/Linux
640 added MPI support via LAM library
643 Developed under MS-DOS and IBM EGA graphics