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
10 * ctsim: copies imagefile labels to plotfiles
12 * ctsim: Added more analyze menuitems
14 * ctsim: Fixed initialization of min/max for PlotFiles
16 * ctsimtext: First version. All command-line tools are now accessed
17 through this master shell. Has both command-line and interactive
20 * ezplot: Cleaned up y-tick label placement
22 * sgp: Added better support for projection/reconstruction animation
24 3.0.0alpha3 - Released 1/02/01
26 * ctsim: Added plotting of histograms
28 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
30 * ezplot.cpp: adjusted xtick label displays for better placement
32 3.0alpha2 - Released 1/02/01
34 * ctsim: All functions of command-line tools are now in graphical ctsim
36 * ctsim: added generation of filter images
38 * ctsim: Added 2-image math functions (mul, add, div, sub)
40 * ctsim: Added export of imagefiles to graphic file formats
42 * ctsim: Added support for scaling imagefiles in new sizes
44 * ctsim: Added ability to save standard phantom definitions as
45 text files suitable for reading.
47 * ctsim: Add labels for image transformations and display of labels
48 when performing properties of images.
50 * processsignal.cpp: Fixed "off by one" bug in
51 shuffleNaturalToFourierOrder when n is even. Moved functions to
54 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
55 image math functions to complex-valued math.
57 * phantom.cpp: Added ability to save phantom files as ASCII text.
59 3.0alpha1 - Released 12/29/00
61 * Added PlotFile class to system, used by if2 and ctsim for row
62 and column plots and comparison plots
64 * ctsim: Added image comparison statistics and image subtraction
66 * ctsim: Added plotting of rows & columns with y-axis scaling
68 * ctsim: Added row and column plot comparisons between two image
71 * ctsim: Added "Process" menu to image file display with math
72 functions. Added 2-dimensional inverse Fourier to math
73 functions. Added support for complex (real/imaginary) images.
75 * mathfuncs.cpp: Reworked statistics algorithm to share between
76 imagefile and plotfile classes.
78 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
79 nsamples > 2. Added generic mage math functions, moved from
80 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
83 * array2dfile.cpp: Added code to support complex (real/imaginary)
86 * if1: Updated to handle error conditions, such as sqrt of a
87 negative number. Converted to use new ImageFile math functions.
89 * if2: Updated to output plot files and use new ImageFile class
92 * if1: Updated to use new ImageFile class math functions
94 * ezplot: Reworked to better store colors/linestyles/symbols with
95 individual curves. Improved display of labels and ticks. Updated
96 to use POL class member variable. Updated to more C++ conventions.
98 * pol: converted to C++ class. Extracted HashTable to separate
101 * sgp: Added linestyle settings
104 First Microsoft Windows GUI version
105 Modifications for Microsoft Visual C++ compilation.
106 Improved pjinfo to output binary headers and view data, useful
107 when manually compiling phantoms that vary during projection
108 process. Thanks to Ian Kay for idea and code submission.
109 Improved sorting to find median in ImageFile::statistics
110 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
111 Changed reconstruction dialog to fix onto smaller screens
112 Fixed display of plotting in Projection views
113 Improved animation displays for Projections and Reconstructions
114 Changed code to explicitly use std:: namespace rather than
115 "namespace using std" statements
116 Fixed reconstruction scaling bug introduced in 2.0.6
117 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
120 Fixed minor compilation problem with procsignal.h
122 Fixed bug when simulating projections and Trace == CONSOLE
123 Fixed scaling bug when performing redundant rotations around object
126 Improved compilation on RedHat 7
127 Changed some of ANSI C header files to C++ header files
128 Removed README.RedHat7
131 Added documentation for --geometry setting
132 Added README.RedHat7 document
135 Fixed bug in generation of binary PGM files
136 Fixed MPI compilation bug in phm2pj.cpp
137 Inverted y-axis output for pj2if (bug alert from Ian Kay)
140 Additions to man pages (Ian Kay)
141 Fix problem with reading of ASCII phantom files (Ian Kay)
144 Fixed syntax error in fftw configuration
145 Slight modifications to support gcc v2.9.6
148 Version 2.0.0 released!
149 ctsim: Added Window menu to Main frame
150 ctsim: Disabled not support reconstruction method
151 Fixed obscure bug in sys_error
152 Fixed compilation in mingw environment not present
153 Fixed compilation in non-graphical environments
156 ctsim: Added animation of reconstruction
157 ctsim: Added saving of dialog parameters for Projection & Reconstruction
158 ctsim: Added progress dialog for rasterization of phantom
159 ctsim: used setpriority to set lower priority
160 ctsim: fixed pReconstruct not being deleted causing scaling problem
161 ctsim: fixed projection animation dialog buttons
164 ctsim: Added projection graph to animation of projection collection
165 ctsim: Added single stepping to projection collection animation
166 ctsim: improved File/Properties display for projection files
167 ctsim: Added progress dialog for reconstructions
168 ctsim: Added file labels for projection and reconstruction images
169 ctsim: Made File/Properties bring up modal dialogs
170 Added reconstruction for Equilinear and Equiangular geometries
171 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
172 Separated reconstruction into Reconstructor class
173 Fixed center of detector adjustment for even number of detectors
174 Added --enable-static to generate statically linked programs
177 ctsim: Added animation of projection collection processs
178 ctsim: Added Auto Scaling for image windows
179 ctsim: Change menus from "windowing" to "display scaling"
180 Added FieldOfView and FocalLength ratio parameters to projection collection
181 Added FocalLength & FieldOfView fields to projection data files
182 Added Projection collection for Equilinear and Equiangular geometries
183 Changed name of Rowland Phantom to correct name of Shepp-Logan
184 Fixed bug in backprojection selection
187 Added RCS Id strings to executable files
188 Added RPM Spec file for RPM package creation
189 Added loading of ASCII phanthom definitions from files
190 Fixed compilation for non-SGP architectures
191 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
192 Added Filter-Generation option to reconstruction to allow direct or
193 inverse_fourier construction of filters
194 Added median to statistics and to auto-windowing
197 Added line color support to SGP
201 Finished support for dmallocxx library
202 Fixed bug in SignalFilter::convertFilterMethodNameToID()
203 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
204 G2 windows and well as WXWindows.
205 ctsim program: "Create Phantom" now shows phantom object
206 Fixed row-plot bug in if-2
207 Reworked EZPlot's multiple plot operation
210 ctsim program: improved initial size and scroll area for image
212 ctsim program: added rasterization parameters, projections parameters,
213 and reconstruction parameters dialogs
214 Moved char[] static definition from header files to c++ files
215 Completely reorganized option processing in classes to improve
216 expandability and to assist ctsim graphical user interface.
219 ctsim program: Added dialog to set minimum/maximum display levels
220 Started ctsim.tex document file
223 Fixed compiler warnings at -Wall level
224 Began work on CTSim program to be graphical front-end of all functions
225 Moved current src/*.cpp to tools/*.cpp
226 Made CTSim graphical front-end's home to be src/
229 Added highly optimized backprojection method idiff3
230 Moved comparative stats to if-2 program from ifinfo
231 Fixed image display in if2img using G2 library
232 Added column-plot and row-plot options to if-2
233 Added autoselection of analytic/calculated spatial responses to SignalFilter
234 Added frequency-based preinterpolation to SignalFilter and idiff3
235 backprojection method. Currently, this technique is still under
236 development and debugging
237 Moved graphic file writing to ImageFile class from if2img program
240 Cleaned up SignalFilter class
241 Added zeropad option to pjrec
242 Added zeropad options to html and cgi files
243 Added fourier_table and rfttw filter methods
244 Added FFTW routines to use real/half-complex transformations
247 Updated trace level processing
248 Added trace level to SignalFilter
249 Fixed magnitude vs. real output bug in FFT/Fourier filter
252 Fixed const issue with ImageFileArray
253 Fixed Array2dFile::labelsCopy()
254 Added copy constructor and assignment for Array2dFileLabel class
255 Added Timer to if-2.cpp and ifinfo.cpp
256 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
257 Added option processing for filter-method for pjrec to choose
258 between convolution, dft, & fft filtering
259 Fixed format string for EZPlot so axis labels now print
260 Added support for FFTW library
263 Rewrote Array2dFile class to be non-templated
264 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
265 Rewrote Array2dFileLabel class to make members private, added access routines
266 Removed timedate.cpp in favor of standard C library time/date functions
267 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
268 Added signature tag and creation date/time to projection files
271 Standardized string option processing by classes. All classes use character strings
272 to select options rather than numeric constants. Added fail() and failMessage()
273 methods to verify that objects are created correctly by character strings.
274 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
275 Rewrote ImageFile class
276 Started support for dmallocxx library, not finished
277 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
278 Updated ifinfo to show comparative statistics
279 Added printLabels() to Array2dFile class
280 Added printStatistics() to ImageFile class
283 Moved conversion filter name/id to Filter class
284 Moved conversion backprojection name/id to Backproj class
285 Added MPI broadcasting of strings
288 Merged proj_reconstr into class Projections
289 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
290 Code cleanup in projections.cpp
291 Moved conversion of phantom names/id to Phantom class
294 Converted projection files to C++ library with frnetorderstream
295 Converted image files to C++ library with frnetorderstream
296 Converted filter and convolution to object-oriented code
297 Changed default image file to float from double -- Changable in imagefile.h
298 Optimized image file writing on little-endian architectures
299 Updated README and INSTALL
302 Reorganized source files
303 MPI bug fixed to phm2pj.cpp
306 Reorganized include files
307 Fixed const pointers in strfuncs
310 Renamed directories, moved source files, combined source files
311 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
315 Skip versions to make version 2.0 the first fully C++ version
316 Renamed Raysums to Projections throughout files
317 Renamed Detector to Scanner
318 Converted Scanner and Projecions to full object-oriented
321 Converted Phantom and PhantomElements to Object-Oriented
322 Converted Detector to Object-Oriented
325 Improved Integer backprojection method
326 Fixed nearest neighbor to be truly nearest neighbor
327 Made linear interpolation more integer arithmetic -> speed improvement
328 Finished converting all C files to C++
329 Converted all use of malloc/free to C++ new/delete
330 Began object-oriented conversion of Phantom and Projection structures
333 Converted MPI data structures to C++ object
334 Made ImageFile directly inherit from Array2dFile
337 First C++ conversions
338 Portable IF (image file) format implemented with objects (SDF removed)
339 - Now all data files are cross-platform compatible
340 Converted from MPI to MPI++
341 Converted backprojection to object-oriented
342 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
345 Simpilifed endian handling
348 Added support for 64-bit (IA64) CPU
349 Removed broken B-spline interpolation
350 Added support for cygwin platform under Windows 2000
351 Added support for 16-bit PNG graphics
354 Added compile-time configuration of endian order
357 Modified the raysum file format to be platform independent
360 Added Microsoft VC compatibility
361 Cleaned up compilation warnings in libgraph
364 Continued conversion to ANSI C
365 Removed old CRT routines
368 Renamed pictures to phantoms, objects to phantom elements
369 Continued code cleanup
372 More code cleanup with reorganizing libraries
373 Added --log and --exp to sdf-1
374 Allowed negative numbers for window levels in CGI interface
377 Continued code cleanup
381 Better documented, coded raysum in-memory on on-disk options
384 Cleaned out library that wasn't being used by CTSim
385 Modified ctsim.cgi to read in configuration file ctsim.conf
388 First open source distribution for GNU/Linux
391 Converted to GNU/Linux
392 added MPI support via LAM library
395 Developed under MS-DOS and IBM EGA graphics