3 * ctsim: Added reset to full-intensity scale menu item
5 * ctsim: Add conversion of projections to polar plot [Thanks to
6 Ian Kay for reference and math hints in polar bilinear scaling]
8 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
11 * ctsim: imagefile labels are now copied to plotfiles
13 * ctsim: Added more analyze menuitems
15 * ctsimtext: First version. All command-line tools are now accessed
16 through this master shell. Has both command-line and interactive
19 * ctsim: Fixed initialization of min/max bug for PlotFiles
21 * ezplot: Cleaned up y-tick label placement
23 * sgp: Added better support for projection/reconstruction animation
25 3.0.0alpha3 - Released 1/02/01
27 * ctsim: Added plotting of histograms
29 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
31 * ezplot.cpp: adjusted xtick label displays for better placement
33 3.0alpha2 - Released 1/02/01
35 * ctsim: All functions of command-line tools are now in graphical ctsim
37 * ctsim: added generation of filter images
39 * ctsim: Added 2-image math functions (mul, add, div, sub)
41 * ctsim: Added export of imagefiles to graphic file formats
43 * ctsim: Added support for scaling imagefiles in new sizes
45 * ctsim: Added ability to save standard phantom definitions as
46 text files suitable for reading.
48 * ctsim: Add labels for image transformations and display of labels
49 when performing properties of images.
51 * processsignal.cpp: Fixed "off by one" bug in
52 shuffleNaturalToFourierOrder when n is even. Moved functions to
55 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
56 image math functions to complex-valued math.
58 * phantom.cpp: Added ability to save phantom files as ASCII text.
60 3.0alpha1 - Released 12/29/00
62 * Added PlotFile class to system, used by if2 and ctsim for row
63 and column plots and comparison plots
65 * ctsim: Added image comparison statistics and image subtraction
67 * ctsim: Added plotting of rows & columns with y-axis scaling
69 * ctsim: Added row and column plot comparisons between two image
72 * ctsim: Added "Process" menu to image file display with math
73 functions. Added 2-dimensional inverse Fourier to math
74 functions. Added support for complex (real/imaginary) images.
76 * mathfuncs.cpp: Reworked statistics algorithm to share between
77 imagefile and plotfile classes.
79 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
80 nsamples > 2. Added generic mage math functions, moved from
81 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
84 * array2dfile.cpp: Added code to support complex (real/imaginary)
87 * if1: Updated to handle error conditions, such as sqrt of a
88 negative number. Converted to use new ImageFile math functions.
90 * if2: Updated to output plot files and use new ImageFile class
93 * if1: Updated to use new ImageFile class math functions
95 * ezplot: Reworked to better store colors/linestyles/symbols with
96 individual curves. Improved display of labels and ticks. Updated
97 to use POL class member variable. Updated to more C++ conventions.
99 * pol: converted to C++ class. Extracted HashTable to separate
102 * sgp: Added linestyle settings
105 First Microsoft Windows GUI version
106 Modifications for Microsoft Visual C++ compilation.
107 Improved pjinfo to output binary headers and view data, useful
108 when manually compiling phantoms that vary during projection
109 process. Thanks to Ian Kay for idea and code submission.
110 Improved sorting to find median in ImageFile::statistics
111 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
112 Changed reconstruction dialog to fix onto smaller screens
113 Fixed display of plotting in Projection views
114 Improved animation displays for Projections and Reconstructions
115 Changed code to explicitly use std:: namespace rather than
116 "namespace using std" statements
117 Fixed reconstruction scaling bug introduced in 2.0.6
118 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
121 Fixed minor compilation problem with procsignal.h
123 Fixed bug when simulating projections and Trace == CONSOLE
124 Fixed scaling bug when performing redundant rotations around object
127 Improved compilation on RedHat 7
128 Changed some of ANSI C header files to C++ header files
129 Removed README.RedHat7
132 Added documentation for --geometry setting
133 Added README.RedHat7 document
136 Fixed bug in generation of binary PGM files
137 Fixed MPI compilation bug in phm2pj.cpp
138 Inverted y-axis output for pj2if (bug alert from Ian Kay)
141 Additions to man pages (Ian Kay)
142 Fix problem with reading of ASCII phantom files (Ian Kay)
145 Fixed syntax error in fftw configuration
146 Slight modifications to support gcc v2.9.6
149 Version 2.0.0 released!
150 ctsim: Added Window menu to Main frame
151 ctsim: Disabled not support reconstruction method
152 Fixed obscure bug in sys_error
153 Fixed compilation in mingw environment not present
154 Fixed compilation in non-graphical environments
157 ctsim: Added animation of reconstruction
158 ctsim: Added saving of dialog parameters for Projection & Reconstruction
159 ctsim: Added progress dialog for rasterization of phantom
160 ctsim: used setpriority to set lower priority
161 ctsim: fixed pReconstruct not being deleted causing scaling problem
162 ctsim: fixed projection animation dialog buttons
165 ctsim: Added projection graph to animation of projection collection
166 ctsim: Added single stepping to projection collection animation
167 ctsim: improved File/Properties display for projection files
168 ctsim: Added progress dialog for reconstructions
169 ctsim: Added file labels for projection and reconstruction images
170 ctsim: Made File/Properties bring up modal dialogs
171 Added reconstruction for Equilinear and Equiangular geometries
172 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
173 Separated reconstruction into Reconstructor class
174 Fixed center of detector adjustment for even number of detectors
175 Added --enable-static to generate statically linked programs
178 ctsim: Added animation of projection collection processs
179 ctsim: Added Auto Scaling for image windows
180 ctsim: Change menus from "windowing" to "display scaling"
181 Added FieldOfView and FocalLength ratio parameters to projection collection
182 Added FocalLength & FieldOfView fields to projection data files
183 Added Projection collection for Equilinear and Equiangular geometries
184 Changed name of Rowland Phantom to correct name of Shepp-Logan
185 Fixed bug in backprojection selection
188 Added RCS Id strings to executable files
189 Added RPM Spec file for RPM package creation
190 Added loading of ASCII phanthom definitions from files
191 Fixed compilation for non-SGP architectures
192 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
193 Added Filter-Generation option to reconstruction to allow direct or
194 inverse_fourier construction of filters
195 Added median to statistics and to auto-windowing
198 Added line color support to SGP
202 Finished support for dmallocxx library
203 Fixed bug in SignalFilter::convertFilterMethodNameToID()
204 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
205 G2 windows and well as WXWindows.
206 ctsim program: "Create Phantom" now shows phantom object
207 Fixed row-plot bug in if-2
208 Reworked EZPlot's multiple plot operation
211 ctsim program: improved initial size and scroll area for image
213 ctsim program: added rasterization parameters, projections parameters,
214 and reconstruction parameters dialogs
215 Moved char[] static definition from header files to c++ files
216 Completely reorganized option processing in classes to improve
217 expandability and to assist ctsim graphical user interface.
220 ctsim program: Added dialog to set minimum/maximum display levels
221 Started ctsim.tex document file
224 Fixed compiler warnings at -Wall level
225 Began work on CTSim program to be graphical front-end of all functions
226 Moved current src/*.cpp to tools/*.cpp
227 Made CTSim graphical front-end's home to be src/
230 Added highly optimized backprojection method idiff3
231 Moved comparative stats to if-2 program from ifinfo
232 Fixed image display in if2img using G2 library
233 Added column-plot and row-plot options to if-2
234 Added autoselection of analytic/calculated spatial responses to SignalFilter
235 Added frequency-based preinterpolation to SignalFilter and idiff3
236 backprojection method. Currently, this technique is still under
237 development and debugging
238 Moved graphic file writing to ImageFile class from if2img program
241 Cleaned up SignalFilter class
242 Added zeropad option to pjrec
243 Added zeropad options to html and cgi files
244 Added fourier_table and rfttw filter methods
245 Added FFTW routines to use real/half-complex transformations
248 Updated trace level processing
249 Added trace level to SignalFilter
250 Fixed magnitude vs. real output bug in FFT/Fourier filter
253 Fixed const issue with ImageFileArray
254 Fixed Array2dFile::labelsCopy()
255 Added copy constructor and assignment for Array2dFileLabel class
256 Added Timer to if-2.cpp and ifinfo.cpp
257 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
258 Added option processing for filter-method for pjrec to choose
259 between convolution, dft, & fft filtering
260 Fixed format string for EZPlot so axis labels now print
261 Added support for FFTW library
264 Rewrote Array2dFile class to be non-templated
265 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
266 Rewrote Array2dFileLabel class to make members private, added access routines
267 Removed timedate.cpp in favor of standard C library time/date functions
268 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
269 Added signature tag and creation date/time to projection files
272 Standardized string option processing by classes. All classes use character strings
273 to select options rather than numeric constants. Added fail() and failMessage()
274 methods to verify that objects are created correctly by character strings.
275 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
276 Rewrote ImageFile class
277 Started support for dmallocxx library, not finished
278 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
279 Updated ifinfo to show comparative statistics
280 Added printLabels() to Array2dFile class
281 Added printStatistics() to ImageFile class
284 Moved conversion filter name/id to Filter class
285 Moved conversion backprojection name/id to Backproj class
286 Added MPI broadcasting of strings
289 Merged proj_reconstr into class Projections
290 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
291 Code cleanup in projections.cpp
292 Moved conversion of phantom names/id to Phantom class
295 Converted projection files to C++ library with frnetorderstream
296 Converted image files to C++ library with frnetorderstream
297 Converted filter and convolution to object-oriented code
298 Changed default image file to float from double -- Changable in imagefile.h
299 Optimized image file writing on little-endian architectures
300 Updated README and INSTALL
303 Reorganized source files
304 MPI bug fixed to phm2pj.cpp
307 Reorganized include files
308 Fixed const pointers in strfuncs
311 Renamed directories, moved source files, combined source files
312 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
316 Skip versions to make version 2.0 the first fully C++ version
317 Renamed Raysums to Projections throughout files
318 Renamed Detector to Scanner
319 Converted Scanner and Projecions to full object-oriented
322 Converted Phantom and PhantomElements to Object-Oriented
323 Converted Detector to Object-Oriented
326 Improved Integer backprojection method
327 Fixed nearest neighbor to be truly nearest neighbor
328 Made linear interpolation more integer arithmetic -> speed improvement
329 Finished converting all C files to C++
330 Converted all use of malloc/free to C++ new/delete
331 Began object-oriented conversion of Phantom and Projection structures
334 Converted MPI data structures to C++ object
335 Made ImageFile directly inherit from Array2dFile
338 First C++ conversions
339 Portable IF (image file) format implemented with objects (SDF removed)
340 - Now all data files are cross-platform compatible
341 Converted from MPI to MPI++
342 Converted backprojection to object-oriented
343 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
346 Simpilifed endian handling
349 Added support for 64-bit (IA64) CPU
350 Removed broken B-spline interpolation
351 Added support for cygwin platform under Windows 2000
352 Added support for 16-bit PNG graphics
355 Added compile-time configuration of endian order
358 Modified the raysum file format to be platform independent
361 Added Microsoft VC compatibility
362 Cleaned up compilation warnings in libgraph
365 Continued conversion to ANSI C
366 Removed old CRT routines
369 Renamed pictures to phantoms, objects to phantom elements
370 Continued code cleanup
373 More code cleanup with reorganizing libraries
374 Added --log and --exp to sdf-1
375 Allowed negative numbers for window levels in CGI interface
378 Continued code cleanup
382 Better documented, coded raysum in-memory on on-disk options
385 Cleaned out library that wasn't being used by CTSim
386 Modified ctsim.cgi to read in configuration file ctsim.conf
389 First open source distribution for GNU/Linux
392 Converted to GNU/Linux
393 added MPI support via LAM library
396 Developed under MS-DOS and IBM EGA graphics