3 * ctsim: Added tips to be displayed at startup and via the help menu.
5 * ctsim: Added generic threaded tasks and background manager for
6 background processing as well as taking advantage of multiple-CPU's
9 * ctsim: Added background and SMP processing for reconstructions.
11 * ctsim: Added background and SMP processing for scanning.
13 * ctsim: Added "Verbose Logging", "Startup Tips", and
14 "Background processes" options to Preferences dialog.
16 * ctsim: Added accelerator key for File-Properties
18 * views.cpp: Added out of memory checks to display for huge
19 image and projection files.
21 * distribution: fixed problem with documentation files not
22 being included with the distribution [Reported by Ian Kay].
24 3.0.3 - Released 2/20/01
26 * ctsim: Fixed core dump on Linux with OpenGL
28 * ctsim: Fixed context-sensitive help on Linux
30 * ctsim: Fixed About box on Linux
32 3.0.2 - Released 2/20/01
34 * scanner.cpp: Fixed bug when number of detectors was even.
36 * ctsim: Improved error handling when trying to convert
37 divergent projections into polar form.
39 3.0.1 - Released 2/19/01
41 * ctsim: Fixed dialog box for reconstruction so that
42 rotation angle setting will stay fixed in-between use
45 * syserror: Fixed display bug for trace messages
47 * ctsim: MSVC optimization bug work-around, compiler
50 3.0.0 - Released 2/19/01
52 * ctsim: Massive update/fix to online help and print manual.
54 * ctsim: Added context-sensitive help to dialog boxes
56 * ctsim: Reformated all dialog boxes, much nicer now.
58 * ctsim: Improved accelerator key handling
60 * global: Added Hanning filter.
62 * global: Improved default parameters to that all defaults give
65 3.0.0beta1 - Released 2/11/01
67 * ctsim: Added most-recently-used files to File menu with
68 registry storage between executions.
70 * ctsim: Hides arcane features unless enabled by Preferences dialog
72 * ctsim: Added MDI interface for Windows version and made it default for Windows.
74 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
76 * ctsim: Added graphical About box
78 * ctsim: Escape key now removes cursor lines from image file view
80 * ctsim: Added Revert to ImageFile menu
82 * ctsim: Added accelerator (hotkeys) to frames
84 * ctsim: Online help added!
86 * backprojector: Added cubic interpolation
88 * ctsim: Added icons to Frames on X-Window and MS Windows versions
90 * ctsim: Fixed tick-label placement for plots on projection and
91 reconstruction dialogs.
93 * timer.h: Add use of _ftime when compiling on MSVC
95 * global: Projection files are not compatible with previous version
96 due to new scanner definitions.
98 * global: deleted concept of field-of-view and added
99 view ratio and scan ratio concepts.
101 * ctsim: Fixed crash on shutdown bug
103 * pjinfo: Fixed bug when doing --dump and not specifing --endview
105 * phm2pj: Fixed MPI bug with broadcasting of variables
107 * ctsimtext-lam: Changes for first version to compile under lam
110 3.0.0alpha5 - Released 1/12/00
112 * ctsim: Added EZPlotDialog, used by debugging plots in
115 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
116 bug in parsing command-line parameters.
118 * views.cpp: Fixed bug in copying of labels from images to
121 * syserror.cpp: fixed reporting for fatal errors
123 * projections.cpp: fixed MSVC failure with std:: namespace
125 * procsignal.cpp: fixed bug in equiangular reconstructions
126 for frequency/inverse-fourier filtering
128 3.0.0alpha4 - Released 1/09/01
130 * ctsim: Added reset to full-intensity scale menu item
132 * ctsim: Add conversion of projections to polar plot [Thanks to
133 Ian Kay for reference and math hints in polar bilinear scaling]
135 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
138 * ctsim: imagefile labels are now copied to plotfiles
140 * ctsim: Added more analyze menuitems
142 * ctsimtext: First version. All command-line tools are now accessed
143 through this master shell. Has both command-line and interactive
146 * ctsim: Fixed initialization of min/max bug for PlotFiles
148 * ezplot: Cleaned up y-tick label placement
150 * sgp: Added better support for projection/reconstruction animation
152 3.0.0alpha3 - Released 1/02/01
154 * ctsim: Added plotting of histograms
156 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
158 * ezplot.cpp: adjusted xtick label displays for better placement
160 3.0alpha2 - Released 1/02/01
162 * ctsim: All functions of command-line tools are now in graphical ctsim
164 * ctsim: added generation of filter images
166 * ctsim: Added 2-image math functions (mul, add, div, sub)
168 * ctsim: Added export of imagefiles to graphic file formats
170 * ctsim: Added support for scaling imagefiles in new sizes
172 * ctsim: Added ability to save standard phantom definitions as
173 text files suitable for reading.
175 * ctsim: Add labels for image transformations and display of labels
176 when performing properties of images.
178 * processsignal.cpp: Fixed "off by one" bug in
179 shuffleNaturalToFourierOrder when n is even. Moved functions to
182 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
183 image math functions to complex-valued math.
185 * phantom.cpp: Added ability to save phantom files as ASCII text.
187 3.0alpha1 - Released 12/29/00
189 * Added PlotFile class to system, used by if2 and ctsim for row
190 and column plots and comparison plots
192 * ctsim: Added image comparison statistics and image subtraction
194 * ctsim: Added plotting of rows & columns with y-axis scaling
196 * ctsim: Added row and column plot comparisons between two image
199 * ctsim: Added "Process" menu to image file display with math
200 functions. Added 2-dimensional inverse Fourier to math
201 functions. Added support for complex (real/imaginary) images.
203 * mathfuncs.cpp: Reworked statistics algorithm to share between
204 imagefile and plotfile classes.
206 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
207 nsamples > 2. Added generic mage math functions, moved from
208 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
211 * array2dfile.cpp: Added code to support complex (real/imaginary)
214 * if1: Updated to handle error conditions, such as sqrt of a
215 negative number. Converted to use new ImageFile math functions.
217 * if2: Updated to output plot files and use new ImageFile class
220 * if1: Updated to use new ImageFile class math functions
222 * ezplot: Reworked to better store colors/linestyles/symbols with
223 individual curves. Improved display of labels and ticks. Updated
224 to use POL class member variable. Updated to more C++ conventions.
226 * pol: converted to C++ class. Extracted HashTable to separate
229 * sgp: Added linestyle settings
232 First Microsoft Windows GUI version
233 Modifications for Microsoft Visual C++ compilation.
234 Improved pjinfo to output binary headers and view data, useful
235 when manually compiling phantoms that vary during projection
236 process. Thanks to Ian Kay for idea and code submission.
237 Improved sorting to find median in ImageFile::statistics
238 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
239 Changed reconstruction dialog to fix onto smaller screens
240 Fixed display of plotting in Projection views
241 Improved animation displays for Projections and Reconstructions
242 Changed code to explicitly use std:: namespace rather than
243 "namespace using std" statements
244 Fixed reconstruction scaling bug introduced in 2.0.6
245 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
248 Fixed minor compilation problem with procsignal.h
250 Fixed bug when simulating projections and Trace == CONSOLE
251 Fixed scaling bug when performing redundant rotations around object
254 Improved compilation on RedHat 7
255 Changed some of ANSI C header files to C++ header files
256 Removed README.RedHat7
259 Added documentation for --geometry setting
260 Added README.RedHat7 document
263 Fixed bug in generation of binary PGM files
264 Fixed MPI compilation bug in phm2pj.cpp
265 Inverted y-axis output for pj2if (bug alert from Ian Kay)
268 Additions to man pages (Ian Kay)
269 Fix problem with reading of ASCII phantom files (Ian Kay)
272 Fixed syntax error in fftw configuration
273 Slight modifications to support gcc v2.9.6
276 Version 2.0.0 released!
277 ctsim: Added Window menu to Main frame
278 ctsim: Disabled not support reconstruction method
279 Fixed obscure bug in sys_error
280 Fixed compilation in mingw environment not present
281 Fixed compilation in non-graphical environments
284 ctsim: Added animation of reconstruction
285 ctsim: Added saving of dialog parameters for Projection & Reconstruction
286 ctsim: Added progress dialog for rasterization of phantom
287 ctsim: used setpriority to set lower priority
288 ctsim: fixed pReconstruct not being deleted causing scaling problem
289 ctsim: fixed projection animation dialog buttons
292 ctsim: Added projection graph to animation of projection collection
293 ctsim: Added single stepping to projection collection animation
294 ctsim: improved File/Properties display for projection files
295 ctsim: Added progress dialog for reconstructions
296 ctsim: Added file labels for projection and reconstruction images
297 ctsim: Made File/Properties bring up modal dialogs
298 Added reconstruction for Equilinear and Equiangular geometries
299 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
300 Separated reconstruction into Reconstructor class
301 Fixed center of detector adjustment for even number of detectors
302 Added --enable-static to generate statically linked programs
305 ctsim: Added animation of projection collection processs
306 ctsim: Added Auto Scaling for image windows
307 ctsim: Change menus from "windowing" to "display scaling"
308 Added FieldOfView and FocalLength ratio parameters to projection collection
309 Added FocalLength & FieldOfView fields to projection data files
310 Added Projection collection for Equilinear and Equiangular geometries
311 Changed name of Rowland Phantom to correct name of Shepp-Logan
312 Fixed bug in backprojection selection
315 Added RCS Id strings to executable files
316 Added RPM Spec file for RPM package creation
317 Added loading of ASCII phanthom definitions from files
318 Fixed compilation for non-SGP architectures
319 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
320 Added Filter-Generation option to reconstruction to allow direct or
321 inverse_fourier construction of filters
322 Added median to statistics and to auto-windowing
325 Added line color support to SGP
329 Finished support for dmallocxx library
330 Fixed bug in SignalFilter::convertFilterMethodNameToID()
331 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
332 G2 windows and well as WXWindows.
333 ctsim program: "Create Phantom" now shows phantom object
334 Fixed row-plot bug in if-2
335 Reworked EZPlot's multiple plot operation
338 ctsim program: improved initial size and scroll area for image
340 ctsim program: added rasterization parameters, projections parameters,
341 and reconstruction parameters dialogs
342 Moved char[] static definition from header files to c++ files
343 Completely reorganized option processing in classes to improve
344 expandability and to assist ctsim graphical user interface.
347 ctsim program: Added dialog to set minimum/maximum display levels
348 Started ctsim.tex document file
351 Fixed compiler warnings at -Wall level
352 Began work on CTSim program to be graphical front-end of all functions
353 Moved current src/*.cpp to tools/*.cpp
354 Made CTSim graphical front-end's home to be src/
357 Added highly optimized backprojection method idiff3
358 Moved comparative stats to if-2 program from ifinfo
359 Fixed image display in if2img using G2 library
360 Added column-plot and row-plot options to if-2
361 Added autoselection of analytic/calculated spatial responses to SignalFilter
362 Added frequency-based preinterpolation to SignalFilter and idiff3
363 backprojection method. Currently, this technique is still under
364 development and debugging
365 Moved graphic file writing to ImageFile class from if2img program
368 Cleaned up SignalFilter class
369 Added zeropad option to pjrec
370 Added zeropad options to html and cgi files
371 Added fourier_table and rfttw filter methods
372 Added FFTW routines to use real/half-complex transformations
375 Updated trace level processing
376 Added trace level to SignalFilter
377 Fixed magnitude vs. real output bug in FFT/Fourier filter
380 Fixed const issue with ImageFileArray
381 Fixed Array2dFile::labelsCopy()
382 Added copy constructor and assignment for Array2dFileLabel class
383 Added Timer to if-2.cpp and ifinfo.cpp
384 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
385 Added option processing for filter-method for pjrec to choose
386 between convolution, dft, & fft filtering
387 Fixed format string for EZPlot so axis labels now print
388 Added support for FFTW library
391 Rewrote Array2dFile class to be non-templated
392 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
393 Rewrote Array2dFileLabel class to make members private, added access routines
394 Removed timedate.cpp in favor of standard C library time/date functions
395 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
396 Added signature tag and creation date/time to projection files
399 Standardized string option processing by classes. All classes use character strings
400 to select options rather than numeric constants. Added fail() and failMessage()
401 methods to verify that objects are created correctly by character strings.
402 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
403 Rewrote ImageFile class
404 Started support for dmallocxx library, not finished
405 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
406 Updated ifinfo to show comparative statistics
407 Added printLabels() to Array2dFile class
408 Added printStatistics() to ImageFile class
411 Moved conversion filter name/id to Filter class
412 Moved conversion backprojection name/id to Backproj class
413 Added MPI broadcasting of strings
416 Merged proj_reconstr into class Projections
417 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
418 Code cleanup in projections.cpp
419 Moved conversion of phantom names/id to Phantom class
422 Converted projection files to C++ library with frnetorderstream
423 Converted image files to C++ library with frnetorderstream
424 Converted filter and convolution to object-oriented code
425 Changed default image file to float from double -- Changable in imagefile.h
426 Optimized image file writing on little-endian architectures
427 Updated README and INSTALL
430 Reorganized source files
431 MPI bug fixed to phm2pj.cpp
434 Reorganized include files
435 Fixed const pointers in strfuncs
438 Renamed directories, moved source files, combined source files
439 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
443 Skip versions to make version 2.0 the first fully C++ version
444 Renamed Raysums to Projections throughout files
445 Renamed Detector to Scanner
446 Converted Scanner and Projecions to full object-oriented
449 Converted Phantom and PhantomElements to Object-Oriented
450 Converted Detector to Object-Oriented
453 Improved Integer backprojection method
454 Fixed nearest neighbor to be truly nearest neighbor
455 Made linear interpolation more integer arithmetic -> speed improvement
456 Finished converting all C files to C++
457 Converted all use of malloc/free to C++ new/delete
458 Began object-oriented conversion of Phantom and Projection structures
461 Converted MPI data structures to C++ object
462 Made ImageFile directly inherit from Array2dFile
465 First C++ conversions
466 Portable IF (image file) format implemented with objects (SDF removed)
467 - Now all data files are cross-platform compatible
468 Converted from MPI to MPI++
469 Converted backprojection to object-oriented
470 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
473 Simpilifed endian handling
476 Added support for 64-bit (IA64) CPU
477 Removed broken B-spline interpolation
478 Added support for cygwin platform under Windows 2000
479 Added support for 16-bit PNG graphics
482 Added compile-time configuration of endian order
485 Modified the raysum file format to be platform independent
488 Added Microsoft VC compatibility
489 Cleaned up compilation warnings in libgraph
492 Continued conversion to ANSI C
493 Removed old CRT routines
496 Renamed pictures to phantoms, objects to phantom elements
497 Continued code cleanup
500 More code cleanup with reorganizing libraries
501 Added --log and --exp to sdf-1
502 Allowed negative numbers for window levels in CGI interface
505 Continued code cleanup
509 Better documented, coded raysum in-memory on on-disk options
512 Cleaned out library that wasn't being used by CTSim
513 Modified ctsim.cgi to read in configuration file ctsim.conf
516 First open source distribution for GNU/Linux
519 Converted to GNU/Linux
520 added MPI support via LAM library
523 Developed under MS-DOS and IBM EGA graphics