3 * ctsim: Added "Verbose Logging" and "Startup Tips" options
6 * ctsim: Added tips to be displayed at startup and via the help menu.
8 3.0.3 - Released 2/20/01
10 * ctsim: Fixed core dump on Linux with OpenGL
12 * ctsim: Fixed context-sensitive help on Linux
14 * ctsim: Fixed About box on Linux
16 3.0.2 - Released 2/20/01
18 * scanner.cpp: Fixed bug when number of detectors was even.
20 * ctsim: Improved error handling when trying to convert
21 divergent projections into polar form.
23 3.0.1 - Released 2/19/01
25 * ctsim: Fixed dialog box for reconstruction so that
26 rotation angle setting will stay fixed in-between use
29 * syserror: Fixed display bug for trace messages
31 * ctsim: MSVC optimization bug work-around, compiler
34 3.0.0 - Released 2/19/01
36 * ctsim: Massive update/fix to online help and print manual.
38 * ctsim: Added context-sensitive help to dialog boxes
40 * ctsim: Reformated all dialog boxes, much nicer now.
42 * ctsim: Improved accelerator key handling
44 * global: Added Hanning filter.
46 * global: Improved default parameters to that all defaults give
49 3.0.0beta1 - Released 2/11/01
51 * ctsim: Added most-recently-used files to File menu with
52 registry storage between executions.
54 * ctsim: Hides arcane features unless enabled by Preferences dialog
56 * ctsim: Added MDI interface for Windows version and made it default for Windows.
58 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
60 * ctsim: Added graphical About box
62 * ctsim: Escape key now removes cursor lines from image file view
64 * ctsim: Added Revert to ImageFile menu
66 * ctsim: Added accelerator (hotkeys) to frames
68 * ctsim: Online help added!
70 * backprojector: Added cubic interpolation
72 * ctsim: Added icons to Frames on X-Window and MS Windows versions
74 * ctsim: Fixed tick-label placement for plots on projection and
75 reconstruction dialogs.
77 * timer.h: Add use of _ftime when compiling on MSVC
79 * global: Projection files are not compatible with previous version
80 due to new scanner definitions.
82 * global: deleted concept of field-of-view and added
83 view ratio and scan ratio concepts.
85 * ctsim: Fixed crash on shutdown bug
87 * pjinfo: Fixed bug when doing --dump and not specifing --endview
89 * phm2pj: Fixed MPI bug with broadcasting of variables
91 * ctsimtext-lam: Changes for first version to compile under lam
94 3.0.0alpha5 - Released 1/12/00
96 * ctsim: Added EZPlotDialog, used by debugging plots in
99 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
100 bug in parsing command-line parameters.
102 * views.cpp: Fixed bug in copying of labels from images to
105 * syserror.cpp: fixed reporting for fatal errors
107 * projections.cpp: fixed MSVC failure with std:: namespace
109 * procsignal.cpp: fixed bug in equiangular reconstructions
110 for frequency/inverse-fourier filtering
112 3.0.0alpha4 - Released 1/09/01
114 * ctsim: Added reset to full-intensity scale menu item
116 * ctsim: Add conversion of projections to polar plot [Thanks to
117 Ian Kay for reference and math hints in polar bilinear scaling]
119 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
122 * ctsim: imagefile labels are now copied to plotfiles
124 * ctsim: Added more analyze menuitems
126 * ctsimtext: First version. All command-line tools are now accessed
127 through this master shell. Has both command-line and interactive
130 * ctsim: Fixed initialization of min/max bug for PlotFiles
132 * ezplot: Cleaned up y-tick label placement
134 * sgp: Added better support for projection/reconstruction animation
136 3.0.0alpha3 - Released 1/02/01
138 * ctsim: Added plotting of histograms
140 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
142 * ezplot.cpp: adjusted xtick label displays for better placement
144 3.0alpha2 - Released 1/02/01
146 * ctsim: All functions of command-line tools are now in graphical ctsim
148 * ctsim: added generation of filter images
150 * ctsim: Added 2-image math functions (mul, add, div, sub)
152 * ctsim: Added export of imagefiles to graphic file formats
154 * ctsim: Added support for scaling imagefiles in new sizes
156 * ctsim: Added ability to save standard phantom definitions as
157 text files suitable for reading.
159 * ctsim: Add labels for image transformations and display of labels
160 when performing properties of images.
162 * processsignal.cpp: Fixed "off by one" bug in
163 shuffleNaturalToFourierOrder when n is even. Moved functions to
166 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
167 image math functions to complex-valued math.
169 * phantom.cpp: Added ability to save phantom files as ASCII text.
171 3.0alpha1 - Released 12/29/00
173 * Added PlotFile class to system, used by if2 and ctsim for row
174 and column plots and comparison plots
176 * ctsim: Added image comparison statistics and image subtraction
178 * ctsim: Added plotting of rows & columns with y-axis scaling
180 * ctsim: Added row and column plot comparisons between two image
183 * ctsim: Added "Process" menu to image file display with math
184 functions. Added 2-dimensional inverse Fourier to math
185 functions. Added support for complex (real/imaginary) images.
187 * mathfuncs.cpp: Reworked statistics algorithm to share between
188 imagefile and plotfile classes.
190 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
191 nsamples > 2. Added generic mage math functions, moved from
192 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
195 * array2dfile.cpp: Added code to support complex (real/imaginary)
198 * if1: Updated to handle error conditions, such as sqrt of a
199 negative number. Converted to use new ImageFile math functions.
201 * if2: Updated to output plot files and use new ImageFile class
204 * if1: Updated to use new ImageFile class math functions
206 * ezplot: Reworked to better store colors/linestyles/symbols with
207 individual curves. Improved display of labels and ticks. Updated
208 to use POL class member variable. Updated to more C++ conventions.
210 * pol: converted to C++ class. Extracted HashTable to separate
213 * sgp: Added linestyle settings
216 First Microsoft Windows GUI version
217 Modifications for Microsoft Visual C++ compilation.
218 Improved pjinfo to output binary headers and view data, useful
219 when manually compiling phantoms that vary during projection
220 process. Thanks to Ian Kay for idea and code submission.
221 Improved sorting to find median in ImageFile::statistics
222 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
223 Changed reconstruction dialog to fix onto smaller screens
224 Fixed display of plotting in Projection views
225 Improved animation displays for Projections and Reconstructions
226 Changed code to explicitly use std:: namespace rather than
227 "namespace using std" statements
228 Fixed reconstruction scaling bug introduced in 2.0.6
229 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
232 Fixed minor compilation problem with procsignal.h
234 Fixed bug when simulating projections and Trace == CONSOLE
235 Fixed scaling bug when performing redundant rotations around object
238 Improved compilation on RedHat 7
239 Changed some of ANSI C header files to C++ header files
240 Removed README.RedHat7
243 Added documentation for --geometry setting
244 Added README.RedHat7 document
247 Fixed bug in generation of binary PGM files
248 Fixed MPI compilation bug in phm2pj.cpp
249 Inverted y-axis output for pj2if (bug alert from Ian Kay)
252 Additions to man pages (Ian Kay)
253 Fix problem with reading of ASCII phantom files (Ian Kay)
256 Fixed syntax error in fftw configuration
257 Slight modifications to support gcc v2.9.6
260 Version 2.0.0 released!
261 ctsim: Added Window menu to Main frame
262 ctsim: Disabled not support reconstruction method
263 Fixed obscure bug in sys_error
264 Fixed compilation in mingw environment not present
265 Fixed compilation in non-graphical environments
268 ctsim: Added animation of reconstruction
269 ctsim: Added saving of dialog parameters for Projection & Reconstruction
270 ctsim: Added progress dialog for rasterization of phantom
271 ctsim: used setpriority to set lower priority
272 ctsim: fixed pReconstruct not being deleted causing scaling problem
273 ctsim: fixed projection animation dialog buttons
276 ctsim: Added projection graph to animation of projection collection
277 ctsim: Added single stepping to projection collection animation
278 ctsim: improved File/Properties display for projection files
279 ctsim: Added progress dialog for reconstructions
280 ctsim: Added file labels for projection and reconstruction images
281 ctsim: Made File/Properties bring up modal dialogs
282 Added reconstruction for Equilinear and Equiangular geometries
283 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
284 Separated reconstruction into Reconstructor class
285 Fixed center of detector adjustment for even number of detectors
286 Added --enable-static to generate statically linked programs
289 ctsim: Added animation of projection collection processs
290 ctsim: Added Auto Scaling for image windows
291 ctsim: Change menus from "windowing" to "display scaling"
292 Added FieldOfView and FocalLength ratio parameters to projection collection
293 Added FocalLength & FieldOfView fields to projection data files
294 Added Projection collection for Equilinear and Equiangular geometries
295 Changed name of Rowland Phantom to correct name of Shepp-Logan
296 Fixed bug in backprojection selection
299 Added RCS Id strings to executable files
300 Added RPM Spec file for RPM package creation
301 Added loading of ASCII phanthom definitions from files
302 Fixed compilation for non-SGP architectures
303 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
304 Added Filter-Generation option to reconstruction to allow direct or
305 inverse_fourier construction of filters
306 Added median to statistics and to auto-windowing
309 Added line color support to SGP
313 Finished support for dmallocxx library
314 Fixed bug in SignalFilter::convertFilterMethodNameToID()
315 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
316 G2 windows and well as WXWindows.
317 ctsim program: "Create Phantom" now shows phantom object
318 Fixed row-plot bug in if-2
319 Reworked EZPlot's multiple plot operation
322 ctsim program: improved initial size and scroll area for image
324 ctsim program: added rasterization parameters, projections parameters,
325 and reconstruction parameters dialogs
326 Moved char[] static definition from header files to c++ files
327 Completely reorganized option processing in classes to improve
328 expandability and to assist ctsim graphical user interface.
331 ctsim program: Added dialog to set minimum/maximum display levels
332 Started ctsim.tex document file
335 Fixed compiler warnings at -Wall level
336 Began work on CTSim program to be graphical front-end of all functions
337 Moved current src/*.cpp to tools/*.cpp
338 Made CTSim graphical front-end's home to be src/
341 Added highly optimized backprojection method idiff3
342 Moved comparative stats to if-2 program from ifinfo
343 Fixed image display in if2img using G2 library
344 Added column-plot and row-plot options to if-2
345 Added autoselection of analytic/calculated spatial responses to SignalFilter
346 Added frequency-based preinterpolation to SignalFilter and idiff3
347 backprojection method. Currently, this technique is still under
348 development and debugging
349 Moved graphic file writing to ImageFile class from if2img program
352 Cleaned up SignalFilter class
353 Added zeropad option to pjrec
354 Added zeropad options to html and cgi files
355 Added fourier_table and rfttw filter methods
356 Added FFTW routines to use real/half-complex transformations
359 Updated trace level processing
360 Added trace level to SignalFilter
361 Fixed magnitude vs. real output bug in FFT/Fourier filter
364 Fixed const issue with ImageFileArray
365 Fixed Array2dFile::labelsCopy()
366 Added copy constructor and assignment for Array2dFileLabel class
367 Added Timer to if-2.cpp and ifinfo.cpp
368 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
369 Added option processing for filter-method for pjrec to choose
370 between convolution, dft, & fft filtering
371 Fixed format string for EZPlot so axis labels now print
372 Added support for FFTW library
375 Rewrote Array2dFile class to be non-templated
376 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
377 Rewrote Array2dFileLabel class to make members private, added access routines
378 Removed timedate.cpp in favor of standard C library time/date functions
379 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
380 Added signature tag and creation date/time to projection files
383 Standardized string option processing by classes. All classes use character strings
384 to select options rather than numeric constants. Added fail() and failMessage()
385 methods to verify that objects are created correctly by character strings.
386 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
387 Rewrote ImageFile class
388 Started support for dmallocxx library, not finished
389 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
390 Updated ifinfo to show comparative statistics
391 Added printLabels() to Array2dFile class
392 Added printStatistics() to ImageFile class
395 Moved conversion filter name/id to Filter class
396 Moved conversion backprojection name/id to Backproj class
397 Added MPI broadcasting of strings
400 Merged proj_reconstr into class Projections
401 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
402 Code cleanup in projections.cpp
403 Moved conversion of phantom names/id to Phantom class
406 Converted projection files to C++ library with frnetorderstream
407 Converted image files to C++ library with frnetorderstream
408 Converted filter and convolution to object-oriented code
409 Changed default image file to float from double -- Changable in imagefile.h
410 Optimized image file writing on little-endian architectures
411 Updated README and INSTALL
414 Reorganized source files
415 MPI bug fixed to phm2pj.cpp
418 Reorganized include files
419 Fixed const pointers in strfuncs
422 Renamed directories, moved source files, combined source files
423 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
427 Skip versions to make version 2.0 the first fully C++ version
428 Renamed Raysums to Projections throughout files
429 Renamed Detector to Scanner
430 Converted Scanner and Projecions to full object-oriented
433 Converted Phantom and PhantomElements to Object-Oriented
434 Converted Detector to Object-Oriented
437 Improved Integer backprojection method
438 Fixed nearest neighbor to be truly nearest neighbor
439 Made linear interpolation more integer arithmetic -> speed improvement
440 Finished converting all C files to C++
441 Converted all use of malloc/free to C++ new/delete
442 Began object-oriented conversion of Phantom and Projection structures
445 Converted MPI data structures to C++ object
446 Made ImageFile directly inherit from Array2dFile
449 First C++ conversions
450 Portable IF (image file) format implemented with objects (SDF removed)
451 - Now all data files are cross-platform compatible
452 Converted from MPI to MPI++
453 Converted backprojection to object-oriented
454 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
457 Simpilifed endian handling
460 Added support for 64-bit (IA64) CPU
461 Removed broken B-spline interpolation
462 Added support for cygwin platform under Windows 2000
463 Added support for 16-bit PNG graphics
466 Added compile-time configuration of endian order
469 Modified the raysum file format to be platform independent
472 Added Microsoft VC compatibility
473 Cleaned up compilation warnings in libgraph
476 Continued conversion to ANSI C
477 Removed old CRT routines
480 Renamed pictures to phantoms, objects to phantom elements
481 Continued code cleanup
484 More code cleanup with reorganizing libraries
485 Added --log and --exp to sdf-1
486 Allowed negative numbers for window levels in CGI interface
489 Continued code cleanup
493 Better documented, coded raysum in-memory on on-disk options
496 Cleaned out library that wasn't being used by CTSim
497 Modified ctsim.cgi to read in configuration file ctsim.conf
500 First open source distribution for GNU/Linux
503 Converted to GNU/Linux
504 added MPI support via LAM library
507 Developed under MS-DOS and IBM EGA graphics