3 * ctsim: Added MDI interface for Windows version
5 * ctsim: Added graphical About box
7 * ctsim: Added accelerator (hotkeys) to windows
9 * ctsim: Online help added as well as HTML help
11 * ctsim: Added icons to Frames on Windows versions
13 * pjinfo: Fixed bug when doing --dump and not specifing --endview
15 * ctsimtext-lam: Changes for first version to compile under lam
17 3.0.0alpha5 - Released 1/12/00
19 * ctsim: Added EZPlotDialog, used by debugging plots in
22 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
23 bug in parsing command-line parameters.
25 * views.cpp: Fixed bug in copying of labels from images to
28 * syserror.cpp: fixed reporting for fatal errors
30 * projections.cpp: fixed MSVC failure with std:: namespace
32 * procsignal.cpp: fixed bug in equiangular reconstructions
33 for frequency/inverse-fourier filtering
35 3.0.0alpha4 - Released 1/09/01
37 * ctsim: Added reset to full-intensity scale menu item
39 * ctsim: Add conversion of projections to polar plot [Thanks to
40 Ian Kay for reference and math hints in polar bilinear scaling]
42 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
45 * ctsim: imagefile labels are now copied to plotfiles
47 * ctsim: Added more analyze menuitems
49 * ctsimtext: First version. All command-line tools are now accessed
50 through this master shell. Has both command-line and interactive
53 * ctsim: Fixed initialization of min/max bug for PlotFiles
55 * ezplot: Cleaned up y-tick label placement
57 * sgp: Added better support for projection/reconstruction animation
59 3.0.0alpha3 - Released 1/02/01
61 * ctsim: Added plotting of histograms
63 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
65 * ezplot.cpp: adjusted xtick label displays for better placement
67 3.0alpha2 - Released 1/02/01
69 * ctsim: All functions of command-line tools are now in graphical ctsim
71 * ctsim: added generation of filter images
73 * ctsim: Added 2-image math functions (mul, add, div, sub)
75 * ctsim: Added export of imagefiles to graphic file formats
77 * ctsim: Added support for scaling imagefiles in new sizes
79 * ctsim: Added ability to save standard phantom definitions as
80 text files suitable for reading.
82 * ctsim: Add labels for image transformations and display of labels
83 when performing properties of images.
85 * processsignal.cpp: Fixed "off by one" bug in
86 shuffleNaturalToFourierOrder when n is even. Moved functions to
89 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
90 image math functions to complex-valued math.
92 * phantom.cpp: Added ability to save phantom files as ASCII text.
94 3.0alpha1 - Released 12/29/00
96 * Added PlotFile class to system, used by if2 and ctsim for row
97 and column plots and comparison plots
99 * ctsim: Added image comparison statistics and image subtraction
101 * ctsim: Added plotting of rows & columns with y-axis scaling
103 * ctsim: Added row and column plot comparisons between two image
106 * ctsim: Added "Process" menu to image file display with math
107 functions. Added 2-dimensional inverse Fourier to math
108 functions. Added support for complex (real/imaginary) images.
110 * mathfuncs.cpp: Reworked statistics algorithm to share between
111 imagefile and plotfile classes.
113 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
114 nsamples > 2. Added generic mage math functions, moved from
115 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
118 * array2dfile.cpp: Added code to support complex (real/imaginary)
121 * if1: Updated to handle error conditions, such as sqrt of a
122 negative number. Converted to use new ImageFile math functions.
124 * if2: Updated to output plot files and use new ImageFile class
127 * if1: Updated to use new ImageFile class math functions
129 * ezplot: Reworked to better store colors/linestyles/symbols with
130 individual curves. Improved display of labels and ticks. Updated
131 to use POL class member variable. Updated to more C++ conventions.
133 * pol: converted to C++ class. Extracted HashTable to separate
136 * sgp: Added linestyle settings
139 First Microsoft Windows GUI version
140 Modifications for Microsoft Visual C++ compilation.
141 Improved pjinfo to output binary headers and view data, useful
142 when manually compiling phantoms that vary during projection
143 process. Thanks to Ian Kay for idea and code submission.
144 Improved sorting to find median in ImageFile::statistics
145 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
146 Changed reconstruction dialog to fix onto smaller screens
147 Fixed display of plotting in Projection views
148 Improved animation displays for Projections and Reconstructions
149 Changed code to explicitly use std:: namespace rather than
150 "namespace using std" statements
151 Fixed reconstruction scaling bug introduced in 2.0.6
152 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
155 Fixed minor compilation problem with procsignal.h
157 Fixed bug when simulating projections and Trace == CONSOLE
158 Fixed scaling bug when performing redundant rotations around object
161 Improved compilation on RedHat 7
162 Changed some of ANSI C header files to C++ header files
163 Removed README.RedHat7
166 Added documentation for --geometry setting
167 Added README.RedHat7 document
170 Fixed bug in generation of binary PGM files
171 Fixed MPI compilation bug in phm2pj.cpp
172 Inverted y-axis output for pj2if (bug alert from Ian Kay)
175 Additions to man pages (Ian Kay)
176 Fix problem with reading of ASCII phantom files (Ian Kay)
179 Fixed syntax error in fftw configuration
180 Slight modifications to support gcc v2.9.6
183 Version 2.0.0 released!
184 ctsim: Added Window menu to Main frame
185 ctsim: Disabled not support reconstruction method
186 Fixed obscure bug in sys_error
187 Fixed compilation in mingw environment not present
188 Fixed compilation in non-graphical environments
191 ctsim: Added animation of reconstruction
192 ctsim: Added saving of dialog parameters for Projection & Reconstruction
193 ctsim: Added progress dialog for rasterization of phantom
194 ctsim: used setpriority to set lower priority
195 ctsim: fixed pReconstruct not being deleted causing scaling problem
196 ctsim: fixed projection animation dialog buttons
199 ctsim: Added projection graph to animation of projection collection
200 ctsim: Added single stepping to projection collection animation
201 ctsim: improved File/Properties display for projection files
202 ctsim: Added progress dialog for reconstructions
203 ctsim: Added file labels for projection and reconstruction images
204 ctsim: Made File/Properties bring up modal dialogs
205 Added reconstruction for Equilinear and Equiangular geometries
206 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
207 Separated reconstruction into Reconstructor class
208 Fixed center of detector adjustment for even number of detectors
209 Added --enable-static to generate statically linked programs
212 ctsim: Added animation of projection collection processs
213 ctsim: Added Auto Scaling for image windows
214 ctsim: Change menus from "windowing" to "display scaling"
215 Added FieldOfView and FocalLength ratio parameters to projection collection
216 Added FocalLength & FieldOfView fields to projection data files
217 Added Projection collection for Equilinear and Equiangular geometries
218 Changed name of Rowland Phantom to correct name of Shepp-Logan
219 Fixed bug in backprojection selection
222 Added RCS Id strings to executable files
223 Added RPM Spec file for RPM package creation
224 Added loading of ASCII phanthom definitions from files
225 Fixed compilation for non-SGP architectures
226 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
227 Added Filter-Generation option to reconstruction to allow direct or
228 inverse_fourier construction of filters
229 Added median to statistics and to auto-windowing
232 Added line color support to SGP
236 Finished support for dmallocxx library
237 Fixed bug in SignalFilter::convertFilterMethodNameToID()
238 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
239 G2 windows and well as WXWindows.
240 ctsim program: "Create Phantom" now shows phantom object
241 Fixed row-plot bug in if-2
242 Reworked EZPlot's multiple plot operation
245 ctsim program: improved initial size and scroll area for image
247 ctsim program: added rasterization parameters, projections parameters,
248 and reconstruction parameters dialogs
249 Moved char[] static definition from header files to c++ files
250 Completely reorganized option processing in classes to improve
251 expandability and to assist ctsim graphical user interface.
254 ctsim program: Added dialog to set minimum/maximum display levels
255 Started ctsim.tex document file
258 Fixed compiler warnings at -Wall level
259 Began work on CTSim program to be graphical front-end of all functions
260 Moved current src/*.cpp to tools/*.cpp
261 Made CTSim graphical front-end's home to be src/
264 Added highly optimized backprojection method idiff3
265 Moved comparative stats to if-2 program from ifinfo
266 Fixed image display in if2img using G2 library
267 Added column-plot and row-plot options to if-2
268 Added autoselection of analytic/calculated spatial responses to SignalFilter
269 Added frequency-based preinterpolation to SignalFilter and idiff3
270 backprojection method. Currently, this technique is still under
271 development and debugging
272 Moved graphic file writing to ImageFile class from if2img program
275 Cleaned up SignalFilter class
276 Added zeropad option to pjrec
277 Added zeropad options to html and cgi files
278 Added fourier_table and rfttw filter methods
279 Added FFTW routines to use real/half-complex transformations
282 Updated trace level processing
283 Added trace level to SignalFilter
284 Fixed magnitude vs. real output bug in FFT/Fourier filter
287 Fixed const issue with ImageFileArray
288 Fixed Array2dFile::labelsCopy()
289 Added copy constructor and assignment for Array2dFileLabel class
290 Added Timer to if-2.cpp and ifinfo.cpp
291 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
292 Added option processing for filter-method for pjrec to choose
293 between convolution, dft, & fft filtering
294 Fixed format string for EZPlot so axis labels now print
295 Added support for FFTW library
298 Rewrote Array2dFile class to be non-templated
299 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
300 Rewrote Array2dFileLabel class to make members private, added access routines
301 Removed timedate.cpp in favor of standard C library time/date functions
302 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
303 Added signature tag and creation date/time to projection files
306 Standardized string option processing by classes. All classes use character strings
307 to select options rather than numeric constants. Added fail() and failMessage()
308 methods to verify that objects are created correctly by character strings.
309 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
310 Rewrote ImageFile class
311 Started support for dmallocxx library, not finished
312 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
313 Updated ifinfo to show comparative statistics
314 Added printLabels() to Array2dFile class
315 Added printStatistics() to ImageFile class
318 Moved conversion filter name/id to Filter class
319 Moved conversion backprojection name/id to Backproj class
320 Added MPI broadcasting of strings
323 Merged proj_reconstr into class Projections
324 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
325 Code cleanup in projections.cpp
326 Moved conversion of phantom names/id to Phantom class
329 Converted projection files to C++ library with frnetorderstream
330 Converted image files to C++ library with frnetorderstream
331 Converted filter and convolution to object-oriented code
332 Changed default image file to float from double -- Changable in imagefile.h
333 Optimized image file writing on little-endian architectures
334 Updated README and INSTALL
337 Reorganized source files
338 MPI bug fixed to phm2pj.cpp
341 Reorganized include files
342 Fixed const pointers in strfuncs
345 Renamed directories, moved source files, combined source files
346 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
350 Skip versions to make version 2.0 the first fully C++ version
351 Renamed Raysums to Projections throughout files
352 Renamed Detector to Scanner
353 Converted Scanner and Projecions to full object-oriented
356 Converted Phantom and PhantomElements to Object-Oriented
357 Converted Detector to Object-Oriented
360 Improved Integer backprojection method
361 Fixed nearest neighbor to be truly nearest neighbor
362 Made linear interpolation more integer arithmetic -> speed improvement
363 Finished converting all C files to C++
364 Converted all use of malloc/free to C++ new/delete
365 Began object-oriented conversion of Phantom and Projection structures
368 Converted MPI data structures to C++ object
369 Made ImageFile directly inherit from Array2dFile
372 First C++ conversions
373 Portable IF (image file) format implemented with objects (SDF removed)
374 - Now all data files are cross-platform compatible
375 Converted from MPI to MPI++
376 Converted backprojection to object-oriented
377 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
380 Simpilifed endian handling
383 Added support for 64-bit (IA64) CPU
384 Removed broken B-spline interpolation
385 Added support for cygwin platform under Windows 2000
386 Added support for 16-bit PNG graphics
389 Added compile-time configuration of endian order
392 Modified the raysum file format to be platform independent
395 Added Microsoft VC compatibility
396 Cleaned up compilation warnings in libgraph
399 Continued conversion to ANSI C
400 Removed old CRT routines
403 Renamed pictures to phantoms, objects to phantom elements
404 Continued code cleanup
407 More code cleanup with reorganizing libraries
408 Added --log and --exp to sdf-1
409 Allowed negative numbers for window levels in CGI interface
412 Continued code cleanup
416 Better documented, coded raysum in-memory on on-disk options
419 Cleaned out library that wasn't being used by CTSim
420 Modified ctsim.cgi to read in configuration file ctsim.conf
423 First open source distribution for GNU/Linux
426 Converted to GNU/Linux
427 added MPI support via LAM library
430 Developed under MS-DOS and IBM EGA graphics