3 * ctsim: Added accelerator (hotkeys) to windows
5 * ctsim: Online help added as well as HTML help
7 * ctsim: Added icons to Frames on Windows versions
9 * pjinfo: Fixed bug when doing --dump and not specifing --endview
11 * ctsimtext-lam: Changes for first version to compile under lam
13 3.0.0alpha5 - Released 1/12/00
15 * ctsim: Added EZPlotDialog, used by debugging plots in
18 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
19 bug in parsing command-line parameters.
21 * views.cpp: Fixed bug in copying of labels from images to
24 * syserror.cpp: fixed reporting for fatal errors
26 * projections.cpp: fixed MSVC failure with std:: namespace
28 * procsignal.cpp: fixed bug in equiangular reconstructions
29 for frequency/inverse-fourier filtering
31 3.0.0alpha4 - Released 1/09/01
33 * ctsim: Added reset to full-intensity scale menu item
35 * ctsim: Add conversion of projections to polar plot [Thanks to
36 Ian Kay for reference and math hints in polar bilinear scaling]
38 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
41 * ctsim: imagefile labels are now copied to plotfiles
43 * ctsim: Added more analyze menuitems
45 * ctsimtext: First version. All command-line tools are now accessed
46 through this master shell. Has both command-line and interactive
49 * ctsim: Fixed initialization of min/max bug for PlotFiles
51 * ezplot: Cleaned up y-tick label placement
53 * sgp: Added better support for projection/reconstruction animation
55 3.0.0alpha3 - Released 1/02/01
57 * ctsim: Added plotting of histograms
59 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
61 * ezplot.cpp: adjusted xtick label displays for better placement
63 3.0alpha2 - Released 1/02/01
65 * ctsim: All functions of command-line tools are now in graphical ctsim
67 * ctsim: added generation of filter images
69 * ctsim: Added 2-image math functions (mul, add, div, sub)
71 * ctsim: Added export of imagefiles to graphic file formats
73 * ctsim: Added support for scaling imagefiles in new sizes
75 * ctsim: Added ability to save standard phantom definitions as
76 text files suitable for reading.
78 * ctsim: Add labels for image transformations and display of labels
79 when performing properties of images.
81 * processsignal.cpp: Fixed "off by one" bug in
82 shuffleNaturalToFourierOrder when n is even. Moved functions to
85 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
86 image math functions to complex-valued math.
88 * phantom.cpp: Added ability to save phantom files as ASCII text.
90 3.0alpha1 - Released 12/29/00
92 * Added PlotFile class to system, used by if2 and ctsim for row
93 and column plots and comparison plots
95 * ctsim: Added image comparison statistics and image subtraction
97 * ctsim: Added plotting of rows & columns with y-axis scaling
99 * ctsim: Added row and column plot comparisons between two image
102 * ctsim: Added "Process" menu to image file display with math
103 functions. Added 2-dimensional inverse Fourier to math
104 functions. Added support for complex (real/imaginary) images.
106 * mathfuncs.cpp: Reworked statistics algorithm to share between
107 imagefile and plotfile classes.
109 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
110 nsamples > 2. Added generic mage math functions, moved from
111 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
114 * array2dfile.cpp: Added code to support complex (real/imaginary)
117 * if1: Updated to handle error conditions, such as sqrt of a
118 negative number. Converted to use new ImageFile math functions.
120 * if2: Updated to output plot files and use new ImageFile class
123 * if1: Updated to use new ImageFile class math functions
125 * ezplot: Reworked to better store colors/linestyles/symbols with
126 individual curves. Improved display of labels and ticks. Updated
127 to use POL class member variable. Updated to more C++ conventions.
129 * pol: converted to C++ class. Extracted HashTable to separate
132 * sgp: Added linestyle settings
135 First Microsoft Windows GUI version
136 Modifications for Microsoft Visual C++ compilation.
137 Improved pjinfo to output binary headers and view data, useful
138 when manually compiling phantoms that vary during projection
139 process. Thanks to Ian Kay for idea and code submission.
140 Improved sorting to find median in ImageFile::statistics
141 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
142 Changed reconstruction dialog to fix onto smaller screens
143 Fixed display of plotting in Projection views
144 Improved animation displays for Projections and Reconstructions
145 Changed code to explicitly use std:: namespace rather than
146 "namespace using std" statements
147 Fixed reconstruction scaling bug introduced in 2.0.6
148 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
151 Fixed minor compilation problem with procsignal.h
153 Fixed bug when simulating projections and Trace == CONSOLE
154 Fixed scaling bug when performing redundant rotations around object
157 Improved compilation on RedHat 7
158 Changed some of ANSI C header files to C++ header files
159 Removed README.RedHat7
162 Added documentation for --geometry setting
163 Added README.RedHat7 document
166 Fixed bug in generation of binary PGM files
167 Fixed MPI compilation bug in phm2pj.cpp
168 Inverted y-axis output for pj2if (bug alert from Ian Kay)
171 Additions to man pages (Ian Kay)
172 Fix problem with reading of ASCII phantom files (Ian Kay)
175 Fixed syntax error in fftw configuration
176 Slight modifications to support gcc v2.9.6
179 Version 2.0.0 released!
180 ctsim: Added Window menu to Main frame
181 ctsim: Disabled not support reconstruction method
182 Fixed obscure bug in sys_error
183 Fixed compilation in mingw environment not present
184 Fixed compilation in non-graphical environments
187 ctsim: Added animation of reconstruction
188 ctsim: Added saving of dialog parameters for Projection & Reconstruction
189 ctsim: Added progress dialog for rasterization of phantom
190 ctsim: used setpriority to set lower priority
191 ctsim: fixed pReconstruct not being deleted causing scaling problem
192 ctsim: fixed projection animation dialog buttons
195 ctsim: Added projection graph to animation of projection collection
196 ctsim: Added single stepping to projection collection animation
197 ctsim: improved File/Properties display for projection files
198 ctsim: Added progress dialog for reconstructions
199 ctsim: Added file labels for projection and reconstruction images
200 ctsim: Made File/Properties bring up modal dialogs
201 Added reconstruction for Equilinear and Equiangular geometries
202 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
203 Separated reconstruction into Reconstructor class
204 Fixed center of detector adjustment for even number of detectors
205 Added --enable-static to generate statically linked programs
208 ctsim: Added animation of projection collection processs
209 ctsim: Added Auto Scaling for image windows
210 ctsim: Change menus from "windowing" to "display scaling"
211 Added FieldOfView and FocalLength ratio parameters to projection collection
212 Added FocalLength & FieldOfView fields to projection data files
213 Added Projection collection for Equilinear and Equiangular geometries
214 Changed name of Rowland Phantom to correct name of Shepp-Logan
215 Fixed bug in backprojection selection
218 Added RCS Id strings to executable files
219 Added RPM Spec file for RPM package creation
220 Added loading of ASCII phanthom definitions from files
221 Fixed compilation for non-SGP architectures
222 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
223 Added Filter-Generation option to reconstruction to allow direct or
224 inverse_fourier construction of filters
225 Added median to statistics and to auto-windowing
228 Added line color support to SGP
232 Finished support for dmallocxx library
233 Fixed bug in SignalFilter::convertFilterMethodNameToID()
234 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
235 G2 windows and well as WXWindows.
236 ctsim program: "Create Phantom" now shows phantom object
237 Fixed row-plot bug in if-2
238 Reworked EZPlot's multiple plot operation
241 ctsim program: improved initial size and scroll area for image
243 ctsim program: added rasterization parameters, projections parameters,
244 and reconstruction parameters dialogs
245 Moved char[] static definition from header files to c++ files
246 Completely reorganized option processing in classes to improve
247 expandability and to assist ctsim graphical user interface.
250 ctsim program: Added dialog to set minimum/maximum display levels
251 Started ctsim.tex document file
254 Fixed compiler warnings at -Wall level
255 Began work on CTSim program to be graphical front-end of all functions
256 Moved current src/*.cpp to tools/*.cpp
257 Made CTSim graphical front-end's home to be src/
260 Added highly optimized backprojection method idiff3
261 Moved comparative stats to if-2 program from ifinfo
262 Fixed image display in if2img using G2 library
263 Added column-plot and row-plot options to if-2
264 Added autoselection of analytic/calculated spatial responses to SignalFilter
265 Added frequency-based preinterpolation to SignalFilter and idiff3
266 backprojection method. Currently, this technique is still under
267 development and debugging
268 Moved graphic file writing to ImageFile class from if2img program
271 Cleaned up SignalFilter class
272 Added zeropad option to pjrec
273 Added zeropad options to html and cgi files
274 Added fourier_table and rfttw filter methods
275 Added FFTW routines to use real/half-complex transformations
278 Updated trace level processing
279 Added trace level to SignalFilter
280 Fixed magnitude vs. real output bug in FFT/Fourier filter
283 Fixed const issue with ImageFileArray
284 Fixed Array2dFile::labelsCopy()
285 Added copy constructor and assignment for Array2dFileLabel class
286 Added Timer to if-2.cpp and ifinfo.cpp
287 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
288 Added option processing for filter-method for pjrec to choose
289 between convolution, dft, & fft filtering
290 Fixed format string for EZPlot so axis labels now print
291 Added support for FFTW library
294 Rewrote Array2dFile class to be non-templated
295 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
296 Rewrote Array2dFileLabel class to make members private, added access routines
297 Removed timedate.cpp in favor of standard C library time/date functions
298 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
299 Added signature tag and creation date/time to projection files
302 Standardized string option processing by classes. All classes use character strings
303 to select options rather than numeric constants. Added fail() and failMessage()
304 methods to verify that objects are created correctly by character strings.
305 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
306 Rewrote ImageFile class
307 Started support for dmallocxx library, not finished
308 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
309 Updated ifinfo to show comparative statistics
310 Added printLabels() to Array2dFile class
311 Added printStatistics() to ImageFile class
314 Moved conversion filter name/id to Filter class
315 Moved conversion backprojection name/id to Backproj class
316 Added MPI broadcasting of strings
319 Merged proj_reconstr into class Projections
320 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
321 Code cleanup in projections.cpp
322 Moved conversion of phantom names/id to Phantom class
325 Converted projection files to C++ library with frnetorderstream
326 Converted image files to C++ library with frnetorderstream
327 Converted filter and convolution to object-oriented code
328 Changed default image file to float from double -- Changable in imagefile.h
329 Optimized image file writing on little-endian architectures
330 Updated README and INSTALL
333 Reorganized source files
334 MPI bug fixed to phm2pj.cpp
337 Reorganized include files
338 Fixed const pointers in strfuncs
341 Renamed directories, moved source files, combined source files
342 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
346 Skip versions to make version 2.0 the first fully C++ version
347 Renamed Raysums to Projections throughout files
348 Renamed Detector to Scanner
349 Converted Scanner and Projecions to full object-oriented
352 Converted Phantom and PhantomElements to Object-Oriented
353 Converted Detector to Object-Oriented
356 Improved Integer backprojection method
357 Fixed nearest neighbor to be truly nearest neighbor
358 Made linear interpolation more integer arithmetic -> speed improvement
359 Finished converting all C files to C++
360 Converted all use of malloc/free to C++ new/delete
361 Began object-oriented conversion of Phantom and Projection structures
364 Converted MPI data structures to C++ object
365 Made ImageFile directly inherit from Array2dFile
368 First C++ conversions
369 Portable IF (image file) format implemented with objects (SDF removed)
370 - Now all data files are cross-platform compatible
371 Converted from MPI to MPI++
372 Converted backprojection to object-oriented
373 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
376 Simpilifed endian handling
379 Added support for 64-bit (IA64) CPU
380 Removed broken B-spline interpolation
381 Added support for cygwin platform under Windows 2000
382 Added support for 16-bit PNG graphics
385 Added compile-time configuration of endian order
388 Modified the raysum file format to be platform independent
391 Added Microsoft VC compatibility
392 Cleaned up compilation warnings in libgraph
395 Continued conversion to ANSI C
396 Removed old CRT routines
399 Renamed pictures to phantoms, objects to phantom elements
400 Continued code cleanup
403 More code cleanup with reorganizing libraries
404 Added --log and --exp to sdf-1
405 Allowed negative numbers for window levels in CGI interface
408 Continued code cleanup
412 Better documented, coded raysum in-memory on on-disk options
415 Cleaned out library that wasn't being used by CTSim
416 Modified ctsim.cgi to read in configuration file ctsim.conf
419 First open source distribution for GNU/Linux
422 Converted to GNU/Linux
423 added MPI support via LAM library
426 Developed under MS-DOS and IBM EGA graphics