1 Jul 1, 2002 Version 3.5.6
3 * Bug fix for Debian alpha platform
5 * Fix some compilation warnings
7 Jun 20, 2002 Version 3.5.5
8 * Fix printing of version number
12 * Updated Win32 compatibility
14 Jun 8, 2002 Version 3.5.4
16 * Print version number in log window with About command
18 * Fix problem with captions not showing on some windows. Reworked
19 creation of new windows.
21 * Disabled status bar on 3d views
23 * Fix bug in configure.ac that prevented using compiler
26 * Updated About splash screen
28 May 29, 2002 Version 3.5.3
29 * Added support for g++ 3.04 compiler
31 May 8, 2002 Version 3.5.2
32 * configure: improved CTN (DICOM) installation search
33 * src/ctsim.cpp: Fixed initial image size with import command
35 May 5, 2002 Version 3.5.1
39 * ctsim: Added tips to be displayed at startup and via the help menu.
40 * ctsim: Added center-detector concept. Allow for detector array
41 to be any arbitrary distance from center of scanner. As a result,
42 projection files are not incompatible with previous version of
44 * ctsim: Added threaded tasks and background manager for
45 background processing as well as taking advantage of multiple-CPU's
46 on SMP systems. (Microsoft Windows only)
47 * ctsim: Added plot t-theta sampling to projection file menu.
48 * ctsim: Added Reconstruction with Rebinning for faster
49 divergent beam reconstructions.
50 * ctsim: Added import and export of DICOM image files.
51 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
52 * ctsim: Added FFT/IFFT of columns of image files.
53 * ctsim: Added clipboard cut/copy/paste for image files.
54 * ctsim: Added region of interest to reconstructions.
55 * ctsim: Added Convert Rectangular Image to Projection files
56 * ctsim: Added "Verbose Logging", "Startup Tips", and
57 "Background processes" options to Preferences dialog.
58 * ctsim: Added plotting of projection file histograms.
59 * plotfile: Added scattergram plot functions
60 * ctsim: Added accelerator key for File-Properties
61 * ctsim: Improved wireframe 3-d display to remove hidden
63 * backprojectors.cpp: Added setting of axis extent and increment
65 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
66 projection data files.
70 * views.cpp: reduced calls to progress bar update, significant speedup
71 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
72 not being displayed on Unix platforms.
73 * views.cpp: Added out-of-memory checks to display for huge
74 image and projection files.
75 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
76 * imagefile.cpp: Fixed scaling factor in fftRows
77 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
79 * sgp.cpp: Fixed bug in drawCircle.
80 * distribution: fixed problem with documentation files not
81 being included with the distribution (Reported by Ian Kay).
82 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
83 * fixed ctsimtext shell when giving no parameters to function-name
84 * phm2if, phm2pj: Updated help messages for renamed phantoms
86 3.0.3 - Released 2/20/01
88 * ctsim: Fixed core dump on Linux with OpenGL
90 * ctsim: Fixed context-sensitive help on Linux
92 * ctsim: Fixed About box on Linux
94 3.0.2 - Released 2/20/01
96 * scanner.cpp: Fixed bug when number of detectors was even.
98 * ctsim: Improved error handling when trying to convert
99 divergent projections into polar form.
101 3.0.1 - Released 2/19/01
103 * ctsim: Fixed dialog box for reconstruction so that
104 rotation angle setting will stay fixed in-between use
107 * syserror: Fixed display bug for trace messages
109 * ctsim: MSVC optimization bug work-around, compiler
112 3.0.0 - Released 2/19/01
114 * ctsim: Massive update/fix to online help and print manual.
116 * ctsim: Added context-sensitive help to dialog boxes
118 * ctsim: Reformated all dialog boxes, much nicer now.
120 * ctsim: Improved accelerator key handling
122 * global: Added Hanning filter.
124 * global: Improved default parameters to that all defaults give
127 3.0.0beta1 - Released 2/11/01
129 * ctsim: Added most-recently-used files to File menu with
130 registry storage between executions.
132 * ctsim: Hides arcane features unless enabled by Preferences dialog
134 * ctsim: Added MDI interface for Windows version and made it default for Windows.
136 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
138 * ctsim: Added graphical About box
140 * ctsim: Escape key now removes cursor lines from image file view
142 * ctsim: Added Revert to ImageFile menu
144 * ctsim: Added accelerator (hotkeys) to frames
146 * ctsim: Online help added!
148 * backprojector: Added cubic interpolation
150 * ctsim: Added icons to Frames on X-Window and MS Windows versions
152 * ctsim: Fixed tick-label placement for plots on projection and
153 reconstruction dialogs.
155 * timer.h: Add use of _ftime when compiling on MSVC
157 * global: Projection files are not compatible with previous version
158 due to new scanner definitions.
160 * global: deleted concept of field-of-view and added
161 view ratio and scan ratio concepts.
163 * ctsim: Fixed crash on shutdown bug
165 * pjinfo: Fixed bug when doing --dump and not specifing --endview
167 * phm2pj: Fixed MPI bug with broadcasting of variables
169 * ctsimtext-lam: Changes for first version to compile under lam
172 3.0.0alpha5 - Released 1/12/00
174 * ctsim: Added EZPlotDialog, used by debugging plots in
177 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
178 bug in parsing command-line parameters.
180 * views.cpp: Fixed bug in copying of labels from images to
183 * syserror.cpp: fixed reporting for fatal errors
185 * projections.cpp: fixed MSVC failure with std:: namespace
187 * procsignal.cpp: fixed bug in equiangular reconstructions
188 for frequency/inverse-fourier filtering
190 3.0.0alpha4 - Released 1/09/01
192 * ctsim: Added reset to full-intensity scale menu item
194 * ctsim: Add conversion of projections to polar plot [Thanks to
195 Ian Kay for reference and math hints in polar bilinear scaling]
197 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
200 * ctsim: imagefile labels are now copied to plotfiles
202 * ctsim: Added more analyze menuitems
204 * ctsimtext: First version. All command-line tools are now accessed
205 through this master shell. Has both command-line and interactive
208 * ctsim: Fixed initialization of min/max bug for PlotFiles
210 * ezplot: Cleaned up y-tick label placement
212 * sgp: Added better support for projection/reconstruction animation
214 3.0.0alpha3 - Released 1/02/01
216 * ctsim: Added plotting of histograms
218 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
220 * ezplot.cpp: adjusted xtick label displays for better placement
222 3.0alpha2 - Released 1/02/01
224 * ctsim: All functions of command-line tools are now in graphical ctsim
226 * ctsim: added generation of filter images
228 * ctsim: Added 2-image math functions (mul, add, div, sub)
230 * ctsim: Added export of imagefiles to graphic file formats
232 * ctsim: Added support for scaling imagefiles in new sizes
234 * ctsim: Added ability to save standard phantom definitions as
235 text files suitable for reading.
237 * ctsim: Add labels for image transformations and display of labels
238 when performing properties of images.
240 * processsignal.cpp: Fixed "off by one" bug in
241 shuffleNaturalToFourierOrder when n is even. Moved functions to
244 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
245 image math functions to complex-valued math.
247 * phantom.cpp: Added ability to save phantom files as ASCII text.
249 3.0alpha1 - Released 12/29/00
251 * Added PlotFile class to system, used by if2 and ctsim for row
252 and column plots and comparison plots
254 * ctsim: Added image comparison statistics and image subtraction
256 * ctsim: Added plotting of rows & columns with y-axis scaling
258 * ctsim: Added row and column plot comparisons between two image
261 * ctsim: Added "Process" menu to image file display with math
262 functions. Added 2-dimensional inverse Fourier to math
263 functions. Added support for complex (real/imaginary) images.
265 * mathfuncs.cpp: Reworked statistics algorithm to share between
266 imagefile and plotfile classes.
268 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
269 nsamples > 2. Added generic mage math functions, moved from
270 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
273 * array2dfile.cpp: Added code to support complex (real/imaginary)
276 * if1: Updated to handle error conditions, such as sqrt of a
277 negative number. Converted to use new ImageFile math functions.
279 * if2: Updated to output plot files and use new ImageFile class
282 * if1: Updated to use new ImageFile class math functions
284 * ezplot: Reworked to better store colors/linestyles/symbols with
285 individual curves. Improved display of labels and ticks. Updated
286 to use POL class member variable. Updated to more C++ conventions.
288 * pol: converted to C++ class. Extracted HashTable to separate
291 * sgp: Added linestyle settings
294 First Microsoft Windows GUI version
295 Modifications for Microsoft Visual C++ compilation.
296 Improved pjinfo to output binary headers and view data, useful
297 when manually compiling phantoms that vary during projection
298 process. Thanks to Ian Kay for idea and code submission.
299 Improved sorting to find median in ImageFile::statistics
300 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
301 Changed reconstruction dialog to fix onto smaller screens
302 Fixed display of plotting in Projection views
303 Improved animation displays for Projections and Reconstructions
304 Changed code to explicitly use std:: namespace rather than
305 "namespace using std" statements
306 Fixed reconstruction scaling bug introduced in 2.0.6
307 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
310 Fixed minor compilation problem with procsignal.h
312 Fixed bug when simulating projections and Trace == CONSOLE
313 Fixed scaling bug when performing redundant rotations around object
316 Improved compilation on RedHat 7
317 Changed some of ANSI C header files to C++ header files
318 Removed README.RedHat7
321 Added documentation for --geometry setting
322 Added README.RedHat7 document
325 Fixed bug in generation of binary PGM files
326 Fixed MPI compilation bug in phm2pj.cpp
327 Inverted y-axis output for pj2if (bug alert from Ian Kay)
330 Additions to man pages (Ian Kay)
331 Fix problem with reading of ASCII phantom files (Ian Kay)
334 Fixed syntax error in fftw configuration
335 Slight modifications to support gcc v2.9.6
338 Version 2.0.0 released!
339 ctsim: Added Window menu to Main frame
340 ctsim: Disabled not support reconstruction method
341 Fixed obscure bug in sys_error
342 Fixed compilation in mingw environment not present
343 Fixed compilation in non-graphical environments
346 ctsim: Added animation of reconstruction
347 ctsim: Added saving of dialog parameters for Projection & Reconstruction
348 ctsim: Added progress dialog for rasterization of phantom
349 ctsim: used setpriority to set lower priority
350 ctsim: fixed pReconstruct not being deleted causing scaling problem
351 ctsim: fixed projection animation dialog buttons
354 ctsim: Added projection graph to animation of projection collection
355 ctsim: Added single stepping to projection collection animation
356 ctsim: improved File/Properties display for projection files
357 ctsim: Added progress dialog for reconstructions
358 ctsim: Added file labels for projection and reconstruction images
359 ctsim: Made File/Properties bring up modal dialogs
360 Added reconstruction for Equilinear and Equiangular geometries
361 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
362 Separated reconstruction into Reconstructor class
363 Fixed center of detector adjustment for even number of detectors
364 Added --enable-static to generate statically linked programs
367 ctsim: Added animation of projection collection processs
368 ctsim: Added Auto Scaling for image windows
369 ctsim: Change menus from "windowing" to "display scaling"
370 Added FieldOfView and FocalLength ratio parameters to projection collection
371 Added FocalLength & FieldOfView fields to projection data files
372 Added Projection collection for Equilinear and Equiangular geometries
373 Changed name of Rowland Phantom to correct name of Shepp-Logan
374 Fixed bug in backprojection selection
377 Added RCS Id strings to executable files
378 Added RPM Spec file for RPM package creation
379 Added loading of ASCII phanthom definitions from files
380 Fixed compilation for non-SGP architectures
381 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
382 Added Filter-Generation option to reconstruction to allow direct or
383 inverse_fourier construction of filters
384 Added median to statistics and to auto-windowing
387 Added line color support to SGP
391 Finished support for dmallocxx library
392 Fixed bug in SignalFilter::convertFilterMethodNameToID()
393 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
394 G2 windows and well as WXWindows.
395 ctsim program: "Create Phantom" now shows phantom object
396 Fixed row-plot bug in if-2
397 Reworked EZPlot's multiple plot operation
400 ctsim program: improved initial size and scroll area for image
402 ctsim program: added rasterization parameters, projections parameters,
403 and reconstruction parameters dialogs
404 Moved char[] static definition from header files to c++ files
405 Completely reorganized option processing in classes to improve
406 expandability and to assist ctsim graphical user interface.
409 ctsim program: Added dialog to set minimum/maximum display levels
410 Started ctsim.tex document file
413 Fixed compiler warnings at -Wall level
414 Began work on CTSim program to be graphical front-end of all functions
415 Moved current src/*.cpp to tools/*.cpp
416 Made CTSim graphical front-end's home to be src/
419 Added highly optimized backprojection method idiff3
420 Moved comparative stats to if-2 program from ifinfo
421 Fixed image display in if2img using G2 library
422 Added column-plot and row-plot options to if-2
423 Added autoselection of analytic/calculated spatial responses to SignalFilter
424 Added frequency-based preinterpolation to SignalFilter and idiff3
425 backprojection method. Currently, this technique is still under
426 development and debugging
427 Moved graphic file writing to ImageFile class from if2img program
430 Cleaned up SignalFilter class
431 Added zeropad option to pjrec
432 Added zeropad options to html and cgi files
433 Added fourier_table and rfttw filter methods
434 Added FFTW routines to use real/half-complex transformations
437 Updated trace level processing
438 Added trace level to SignalFilter
439 Fixed magnitude vs. real output bug in FFT/Fourier filter
442 Fixed const issue with ImageFileArray
443 Fixed Array2dFile::labelsCopy()
444 Added copy constructor and assignment for Array2dFileLabel class
445 Added Timer to if-2.cpp and ifinfo.cpp
446 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
447 Added option processing for filter-method for pjrec to choose
448 between convolution, dft, & fft filtering
449 Fixed format string for EZPlot so axis labels now print
450 Added support for FFTW library
453 Rewrote Array2dFile class to be non-templated
454 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
455 Rewrote Array2dFileLabel class to make members private, added access routines
456 Removed timedate.cpp in favor of standard C library time/date functions
457 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
458 Added signature tag and creation date/time to projection files
461 Standardized string option processing by classes. All classes use character strings
462 to select options rather than numeric constants. Added fail() and failMessage()
463 methods to verify that objects are created correctly by character strings.
464 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
465 Rewrote ImageFile class
466 Started support for dmallocxx library, not finished
467 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
468 Updated ifinfo to show comparative statistics
469 Added printLabels() to Array2dFile class
470 Added printStatistics() to ImageFile class
473 Moved conversion filter name/id to Filter class
474 Moved conversion backprojection name/id to Backproj class
475 Added MPI broadcasting of strings
478 Merged proj_reconstr into class Projections
479 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
480 Code cleanup in projections.cpp
481 Moved conversion of phantom names/id to Phantom class
484 Converted projection files to C++ library with frnetorderstream
485 Converted image files to C++ library with frnetorderstream
486 Converted filter and convolution to object-oriented code
487 Changed default image file to float from double -- Changable in imagefile.h
488 Optimized image file writing on little-endian architectures
489 Updated README and INSTALL
492 Reorganized source files
493 MPI bug fixed to phm2pj.cpp
496 Reorganized include files
497 Fixed const pointers in strfuncs
500 Renamed directories, moved source files, combined source files
501 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
505 Skip versions to make version 2.0 the first fully C++ version
506 Renamed Raysums to Projections throughout files
507 Renamed Detector to Scanner
508 Converted Scanner and Projecions to full object-oriented
511 Converted Phantom and PhantomElements to Object-Oriented
512 Converted Detector to Object-Oriented
515 Improved Integer backprojection method
516 Fixed nearest neighbor to be truly nearest neighbor
517 Made linear interpolation more integer arithmetic -> speed improvement
518 Finished converting all C files to C++
519 Converted all use of malloc/free to C++ new/delete
520 Began object-oriented conversion of Phantom and Projection structures
523 Converted MPI data structures to C++ object
524 Made ImageFile directly inherit from Array2dFile
527 First C++ conversions
528 Portable IF (image file) format implemented with objects (SDF removed)
529 - Now all data files are cross-platform compatible
530 Converted from MPI to MPI++
531 Converted backprojection to object-oriented
532 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
535 Simpilifed endian handling
538 Added support for 64-bit (IA64) CPU
539 Removed broken B-spline interpolation
540 Added support for cygwin platform under Windows 2000
541 Added support for 16-bit PNG graphics
544 Added compile-time configuration of endian order
547 Modified the raysum file format to be platform independent
550 Added Microsoft VC compatibility
551 Cleaned up compilation warnings in libgraph
554 Continued conversion to ANSI C
555 Removed old CRT routines
558 Renamed pictures to phantoms, objects to phantom elements
559 Continued code cleanup
562 More code cleanup with reorganizing libraries
563 Added --log and --exp to sdf-1
564 Allowed negative numbers for window levels in CGI interface
567 Continued code cleanup
571 Better documented, coded raysum in-memory on on-disk options
574 Cleaned out library that wasn't being used by CTSim
575 Modified ctsim.cgi to read in configuration file ctsim.conf
578 First open source distribution for GNU/Linux
581 Converted to GNU/Linux
582 added MPI support via LAM library
585 Developed under MS-DOS and IBM EGA graphics