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