3 * ctsim: Added most-recently-used files to File menu with
4 registry storage between executions.
6 * ctsim: Added MDI interface for Windows version and made it default for Windows.
8 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
10 * ctsim: Added graphical About box
12 * ctsim: Escape key now removes cursor lines from image file view
14 * ctsim: Added Revert to ImageFile menu
16 * ctsim: Added accelerator (hotkeys) to frames
18 * ctsim: Online help added as well as HTML help
20 * ctsim: Added icons to Frames on X-Window and MS Windows versions
22 * ctsim: Fixed tick-label placement for plots on projection and
23 reconstruction dialogs.
25 * timer.h: Add use of _ftime when compiling on MSVC
27 * ctsim: Fixed crash on shutdown bug
29 * pjinfo: Fixed bug when doing --dump and not specifing --endview
31 * ctsimtext-lam: Changes for first version to compile under lam
33 3.0.0alpha5 - Released 1/12/00
35 * ctsim: Added EZPlotDialog, used by debugging plots in
38 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
39 bug in parsing command-line parameters.
41 * views.cpp: Fixed bug in copying of labels from images to
44 * syserror.cpp: fixed reporting for fatal errors
46 * projections.cpp: fixed MSVC failure with std:: namespace
48 * procsignal.cpp: fixed bug in equiangular reconstructions
49 for frequency/inverse-fourier filtering
51 3.0.0alpha4 - Released 1/09/01
53 * ctsim: Added reset to full-intensity scale menu item
55 * ctsim: Add conversion of projections to polar plot [Thanks to
56 Ian Kay for reference and math hints in polar bilinear scaling]
58 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
61 * ctsim: imagefile labels are now copied to plotfiles
63 * ctsim: Added more analyze menuitems
65 * ctsimtext: First version. All command-line tools are now accessed
66 through this master shell. Has both command-line and interactive
69 * ctsim: Fixed initialization of min/max bug for PlotFiles
71 * ezplot: Cleaned up y-tick label placement
73 * sgp: Added better support for projection/reconstruction animation
75 3.0.0alpha3 - Released 1/02/01
77 * ctsim: Added plotting of histograms
79 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
81 * ezplot.cpp: adjusted xtick label displays for better placement
83 3.0alpha2 - Released 1/02/01
85 * ctsim: All functions of command-line tools are now in graphical ctsim
87 * ctsim: added generation of filter images
89 * ctsim: Added 2-image math functions (mul, add, div, sub)
91 * ctsim: Added export of imagefiles to graphic file formats
93 * ctsim: Added support for scaling imagefiles in new sizes
95 * ctsim: Added ability to save standard phantom definitions as
96 text files suitable for reading.
98 * ctsim: Add labels for image transformations and display of labels
99 when performing properties of images.
101 * processsignal.cpp: Fixed "off by one" bug in
102 shuffleNaturalToFourierOrder when n is even. Moved functions to
105 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
106 image math functions to complex-valued math.
108 * phantom.cpp: Added ability to save phantom files as ASCII text.
110 3.0alpha1 - Released 12/29/00
112 * Added PlotFile class to system, used by if2 and ctsim for row
113 and column plots and comparison plots
115 * ctsim: Added image comparison statistics and image subtraction
117 * ctsim: Added plotting of rows & columns with y-axis scaling
119 * ctsim: Added row and column plot comparisons between two image
122 * ctsim: Added "Process" menu to image file display with math
123 functions. Added 2-dimensional inverse Fourier to math
124 functions. Added support for complex (real/imaginary) images.
126 * mathfuncs.cpp: Reworked statistics algorithm to share between
127 imagefile and plotfile classes.
129 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
130 nsamples > 2. Added generic mage math functions, moved from
131 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
134 * array2dfile.cpp: Added code to support complex (real/imaginary)
137 * if1: Updated to handle error conditions, such as sqrt of a
138 negative number. Converted to use new ImageFile math functions.
140 * if2: Updated to output plot files and use new ImageFile class
143 * if1: Updated to use new ImageFile class math functions
145 * ezplot: Reworked to better store colors/linestyles/symbols with
146 individual curves. Improved display of labels and ticks. Updated
147 to use POL class member variable. Updated to more C++ conventions.
149 * pol: converted to C++ class. Extracted HashTable to separate
152 * sgp: Added linestyle settings
155 First Microsoft Windows GUI version
156 Modifications for Microsoft Visual C++ compilation.
157 Improved pjinfo to output binary headers and view data, useful
158 when manually compiling phantoms that vary during projection
159 process. Thanks to Ian Kay for idea and code submission.
160 Improved sorting to find median in ImageFile::statistics
161 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
162 Changed reconstruction dialog to fix onto smaller screens
163 Fixed display of plotting in Projection views
164 Improved animation displays for Projections and Reconstructions
165 Changed code to explicitly use std:: namespace rather than
166 "namespace using std" statements
167 Fixed reconstruction scaling bug introduced in 2.0.6
168 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
171 Fixed minor compilation problem with procsignal.h
173 Fixed bug when simulating projections and Trace == CONSOLE
174 Fixed scaling bug when performing redundant rotations around object
177 Improved compilation on RedHat 7
178 Changed some of ANSI C header files to C++ header files
179 Removed README.RedHat7
182 Added documentation for --geometry setting
183 Added README.RedHat7 document
186 Fixed bug in generation of binary PGM files
187 Fixed MPI compilation bug in phm2pj.cpp
188 Inverted y-axis output for pj2if (bug alert from Ian Kay)
191 Additions to man pages (Ian Kay)
192 Fix problem with reading of ASCII phantom files (Ian Kay)
195 Fixed syntax error in fftw configuration
196 Slight modifications to support gcc v2.9.6
199 Version 2.0.0 released!
200 ctsim: Added Window menu to Main frame
201 ctsim: Disabled not support reconstruction method
202 Fixed obscure bug in sys_error
203 Fixed compilation in mingw environment not present
204 Fixed compilation in non-graphical environments
207 ctsim: Added animation of reconstruction
208 ctsim: Added saving of dialog parameters for Projection & Reconstruction
209 ctsim: Added progress dialog for rasterization of phantom
210 ctsim: used setpriority to set lower priority
211 ctsim: fixed pReconstruct not being deleted causing scaling problem
212 ctsim: fixed projection animation dialog buttons
215 ctsim: Added projection graph to animation of projection collection
216 ctsim: Added single stepping to projection collection animation
217 ctsim: improved File/Properties display for projection files
218 ctsim: Added progress dialog for reconstructions
219 ctsim: Added file labels for projection and reconstruction images
220 ctsim: Made File/Properties bring up modal dialogs
221 Added reconstruction for Equilinear and Equiangular geometries
222 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
223 Separated reconstruction into Reconstructor class
224 Fixed center of detector adjustment for even number of detectors
225 Added --enable-static to generate statically linked programs
228 ctsim: Added animation of projection collection processs
229 ctsim: Added Auto Scaling for image windows
230 ctsim: Change menus from "windowing" to "display scaling"
231 Added FieldOfView and FocalLength ratio parameters to projection collection
232 Added FocalLength & FieldOfView fields to projection data files
233 Added Projection collection for Equilinear and Equiangular geometries
234 Changed name of Rowland Phantom to correct name of Shepp-Logan
235 Fixed bug in backprojection selection
238 Added RCS Id strings to executable files
239 Added RPM Spec file for RPM package creation
240 Added loading of ASCII phanthom definitions from files
241 Fixed compilation for non-SGP architectures
242 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
243 Added Filter-Generation option to reconstruction to allow direct or
244 inverse_fourier construction of filters
245 Added median to statistics and to auto-windowing
248 Added line color support to SGP
252 Finished support for dmallocxx library
253 Fixed bug in SignalFilter::convertFilterMethodNameToID()
254 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
255 G2 windows and well as WXWindows.
256 ctsim program: "Create Phantom" now shows phantom object
257 Fixed row-plot bug in if-2
258 Reworked EZPlot's multiple plot operation
261 ctsim program: improved initial size and scroll area for image
263 ctsim program: added rasterization parameters, projections parameters,
264 and reconstruction parameters dialogs
265 Moved char[] static definition from header files to c++ files
266 Completely reorganized option processing in classes to improve
267 expandability and to assist ctsim graphical user interface.
270 ctsim program: Added dialog to set minimum/maximum display levels
271 Started ctsim.tex document file
274 Fixed compiler warnings at -Wall level
275 Began work on CTSim program to be graphical front-end of all functions
276 Moved current src/*.cpp to tools/*.cpp
277 Made CTSim graphical front-end's home to be src/
280 Added highly optimized backprojection method idiff3
281 Moved comparative stats to if-2 program from ifinfo
282 Fixed image display in if2img using G2 library
283 Added column-plot and row-plot options to if-2
284 Added autoselection of analytic/calculated spatial responses to SignalFilter
285 Added frequency-based preinterpolation to SignalFilter and idiff3
286 backprojection method. Currently, this technique is still under
287 development and debugging
288 Moved graphic file writing to ImageFile class from if2img program
291 Cleaned up SignalFilter class
292 Added zeropad option to pjrec
293 Added zeropad options to html and cgi files
294 Added fourier_table and rfttw filter methods
295 Added FFTW routines to use real/half-complex transformations
298 Updated trace level processing
299 Added trace level to SignalFilter
300 Fixed magnitude vs. real output bug in FFT/Fourier filter
303 Fixed const issue with ImageFileArray
304 Fixed Array2dFile::labelsCopy()
305 Added copy constructor and assignment for Array2dFileLabel class
306 Added Timer to if-2.cpp and ifinfo.cpp
307 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
308 Added option processing for filter-method for pjrec to choose
309 between convolution, dft, & fft filtering
310 Fixed format string for EZPlot so axis labels now print
311 Added support for FFTW library
314 Rewrote Array2dFile class to be non-templated
315 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
316 Rewrote Array2dFileLabel class to make members private, added access routines
317 Removed timedate.cpp in favor of standard C library time/date functions
318 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
319 Added signature tag and creation date/time to projection files
322 Standardized string option processing by classes. All classes use character strings
323 to select options rather than numeric constants. Added fail() and failMessage()
324 methods to verify that objects are created correctly by character strings.
325 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
326 Rewrote ImageFile class
327 Started support for dmallocxx library, not finished
328 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
329 Updated ifinfo to show comparative statistics
330 Added printLabels() to Array2dFile class
331 Added printStatistics() to ImageFile class
334 Moved conversion filter name/id to Filter class
335 Moved conversion backprojection name/id to Backproj class
336 Added MPI broadcasting of strings
339 Merged proj_reconstr into class Projections
340 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
341 Code cleanup in projections.cpp
342 Moved conversion of phantom names/id to Phantom class
345 Converted projection files to C++ library with frnetorderstream
346 Converted image files to C++ library with frnetorderstream
347 Converted filter and convolution to object-oriented code
348 Changed default image file to float from double -- Changable in imagefile.h
349 Optimized image file writing on little-endian architectures
350 Updated README and INSTALL
353 Reorganized source files
354 MPI bug fixed to phm2pj.cpp
357 Reorganized include files
358 Fixed const pointers in strfuncs
361 Renamed directories, moved source files, combined source files
362 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
366 Skip versions to make version 2.0 the first fully C++ version
367 Renamed Raysums to Projections throughout files
368 Renamed Detector to Scanner
369 Converted Scanner and Projecions to full object-oriented
372 Converted Phantom and PhantomElements to Object-Oriented
373 Converted Detector to Object-Oriented
376 Improved Integer backprojection method
377 Fixed nearest neighbor to be truly nearest neighbor
378 Made linear interpolation more integer arithmetic -> speed improvement
379 Finished converting all C files to C++
380 Converted all use of malloc/free to C++ new/delete
381 Began object-oriented conversion of Phantom and Projection structures
384 Converted MPI data structures to C++ object
385 Made ImageFile directly inherit from Array2dFile
388 First C++ conversions
389 Portable IF (image file) format implemented with objects (SDF removed)
390 - Now all data files are cross-platform compatible
391 Converted from MPI to MPI++
392 Converted backprojection to object-oriented
393 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
396 Simpilifed endian handling
399 Added support for 64-bit (IA64) CPU
400 Removed broken B-spline interpolation
401 Added support for cygwin platform under Windows 2000
402 Added support for 16-bit PNG graphics
405 Added compile-time configuration of endian order
408 Modified the raysum file format to be platform independent
411 Added Microsoft VC compatibility
412 Cleaned up compilation warnings in libgraph
415 Continued conversion to ANSI C
416 Removed old CRT routines
419 Renamed pictures to phantoms, objects to phantom elements
420 Continued code cleanup
423 More code cleanup with reorganizing libraries
424 Added --log and --exp to sdf-1
425 Allowed negative numbers for window levels in CGI interface
428 Continued code cleanup
432 Better documented, coded raysum in-memory on on-disk options
435 Cleaned out library that wasn't being used by CTSim
436 Modified ctsim.cgi to read in configuration file ctsim.conf
439 First open source distribution for GNU/Linux
442 Converted to GNU/Linux
443 added MPI support via LAM library
446 Developed under MS-DOS and IBM EGA graphics