3 * ctsim: Fixed initialization of min/max for PlotFiles
5 * ctsim: Added reset to full-intensity scale menu item
7 * ctsim: Add conversion of projections to polar plot
9 * ctsim: improve bilinear scaling of image size
11 * ezplot: Cleaned up y-tick label placement
13 * sgp: Added better support for projection/reconstruction animation
15 3.0.0alpha3 - Released 1/02/01
17 * ctsim: Added plotting of histograms
19 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
21 * ezplot.cpp: adjusted xtick label displays for better placement
23 3.0alpha2 - Released 1/02/01
25 * ctsim: All functions of command-line tools are now in graphical ctsim
27 * ctsim: added generation of filter images
29 * ctsim: Added 2-image math functions (mul, add, div, sub)
31 * ctsim: Added export of imagefiles to graphic file formats
33 * ctsim: Added support for scaling imagefiles in new sizes
35 * ctsim: Added ability to save standard phantom definitions as
36 text files suitable for reading.
38 * ctsim: Add labels for image transformations and display of labels
39 when performing properties of images.
41 * processsignal.cpp: Fixed "off by one" bug in
42 shuffleNaturalToFourierOrder when n is even. Moved functions to
45 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
46 image math functions to complex-valued math.
48 * phantom.cpp: Added ability to save phantom files as ASCII text.
50 3.0alpha1 - Released 12/29/00
52 * Added PlotFile class to system, used by if2 and ctsim for row
53 and column plots and comparison plots
55 * ctsim: Added image comparison statistics and image subtraction
57 * ctsim: Added plotting of rows & columns with y-axis scaling
59 * ctsim: Added row and column plot comparisons between two image
62 * ctsim: Added "Process" menu to image file display with math
63 functions. Added 2-dimensional inverse Fourier to math
64 functions. Added support for complex (real/imaginary) images.
66 * mathfuncs.cpp: Reworked statistics algorithm to share between
67 imagefile and plotfile classes.
69 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
70 nsamples > 2. Added generic mage math functions, moved from
71 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
74 * array2dfile.cpp: Added code to support complex (real/imaginary)
77 * if1: Updated to handle error conditions, such as sqrt of a
78 negative number. Converted to use new ImageFile math functions.
80 * if2: Updated to output plot files and use new ImageFile class
83 * if1: Updated to use new ImageFile class math functions
85 * ezplot: Reworked to better store colors/linestyles/symbols with
86 individual curves. Improved display of labels and ticks. Updated
87 to use POL class member variable. Updated to more C++ conventions.
89 * pol: converted to C++ class. Extracted HashTable to separate
92 * sgp: Added linestyle settings
95 First Microsoft Windows GUI version
96 Modifications for Microsoft Visual C++ compilation.
97 Improved pjinfo to output binary headers and view data, useful
98 when manually compiling phantoms that vary during projection
99 process. Thanks to Ian Kay for idea and code submission.
100 Improved sorting to find median in ImageFile::statistics
101 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
102 Changed reconstruction dialog to fix onto smaller screens
103 Fixed display of plotting in Projection views
104 Improved animation displays for Projections and Reconstructions
105 Changed code to explicitly use std:: namespace rather than
106 "namespace using std" statements
107 Fixed reconstruction scaling bug introduced in 2.0.6
108 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
111 Fixed minor compilation problem with procsignal.h
113 Fixed bug when simulating projections and Trace == CONSOLE
114 Fixed scaling bug when performing redundant rotations around object
117 Improved compilation on RedHat 7
118 Changed some of ANSI C header files to C++ header files
119 Removed README.RedHat7
122 Added documentation for --geometry setting
123 Added README.RedHat7 document
126 Fixed bug in generation of binary PGM files
127 Fixed MPI compilation bug in phm2pj.cpp
128 Inverted y-axis output for pj2if (bug alert from Ian Kay)
131 Additions to man pages (Ian Kay)
132 Fix problem with reading of ASCII phantom files (Ian Kay)
135 Fixed syntax error in fftw configuration
136 Slight modifications to support gcc v2.9.6
139 Version 2.0.0 released!
140 ctsim: Added Window menu to Main frame
141 ctsim: Disabled not support reconstruction method
142 Fixed obscure bug in sys_error
143 Fixed compilation in mingw environment not present
144 Fixed compilation in non-graphical environments
147 ctsim: Added animation of reconstruction
148 ctsim: Added saving of dialog parameters for Projection & Reconstruction
149 ctsim: Added progress dialog for rasterization of phantom
150 ctsim: used setpriority to set lower priority
151 ctsim: fixed pReconstruct not being deleted causing scaling problem
152 ctsim: fixed projection animation dialog buttons
155 ctsim: Added projection graph to animation of projection collection
156 ctsim: Added single stepping to projection collection animation
157 ctsim: improved File/Properties display for projection files
158 ctsim: Added progress dialog for reconstructions
159 ctsim: Added file labels for projection and reconstruction images
160 ctsim: Made File/Properties bring up modal dialogs
161 Added reconstruction for Equilinear and Equiangular geometries
162 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
163 Separated reconstruction into Reconstructor class
164 Fixed center of detector adjustment for even number of detectors
165 Added --enable-static to generate statically linked programs
168 ctsim: Added animation of projection collection processs
169 ctsim: Added Auto Scaling for image windows
170 ctsim: Change menus from "windowing" to "display scaling"
171 Added FieldOfView and FocalLength ratio parameters to projection collection
172 Added FocalLength & FieldOfView fields to projection data files
173 Added Projection collection for Equilinear and Equiangular geometries
174 Changed name of Rowland Phantom to correct name of Shepp-Logan
175 Fixed bug in backprojection selection
178 Added RCS Id strings to executable files
179 Added RPM Spec file for RPM package creation
180 Added loading of ASCII phanthom definitions from files
181 Fixed compilation for non-SGP architectures
182 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
183 Added Filter-Generation option to reconstruction to allow direct or
184 inverse_fourier construction of filters
185 Added median to statistics and to auto-windowing
188 Added line color support to SGP
192 Finished support for dmallocxx library
193 Fixed bug in SignalFilter::convertFilterMethodNameToID()
194 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
195 G2 windows and well as WXWindows.
196 ctsim program: "Create Phantom" now shows phantom object
197 Fixed row-plot bug in if-2
198 Reworked EZPlot's multiple plot operation
201 ctsim program: improved initial size and scroll area for image
203 ctsim program: added rasterization parameters, projections parameters,
204 and reconstruction parameters dialogs
205 Moved char[] static definition from header files to c++ files
206 Completely reorganized option processing in classes to improve
207 expandability and to assist ctsim graphical user interface.
210 ctsim program: Added dialog to set minimum/maximum display levels
211 Started ctsim.tex document file
214 Fixed compiler warnings at -Wall level
215 Began work on CTSim program to be graphical front-end of all functions
216 Moved current src/*.cpp to tools/*.cpp
217 Made CTSim graphical front-end's home to be src/
220 Added highly optimized backprojection method idiff3
221 Moved comparative stats to if-2 program from ifinfo
222 Fixed image display in if2img using G2 library
223 Added column-plot and row-plot options to if-2
224 Added autoselection of analytic/calculated spatial responses to SignalFilter
225 Added frequency-based preinterpolation to SignalFilter and idiff3
226 backprojection method. Currently, this technique is still under
227 development and debugging
228 Moved graphic file writing to ImageFile class from if2img program
231 Cleaned up SignalFilter class
232 Added zeropad option to pjrec
233 Added zeropad options to html and cgi files
234 Added fourier_table and rfttw filter methods
235 Added FFTW routines to use real/half-complex transformations
238 Updated trace level processing
239 Added trace level to SignalFilter
240 Fixed magnitude vs. real output bug in FFT/Fourier filter
243 Fixed const issue with ImageFileArray
244 Fixed Array2dFile::labelsCopy()
245 Added copy constructor and assignment for Array2dFileLabel class
246 Added Timer to if-2.cpp and ifinfo.cpp
247 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
248 Added option processing for filter-method for pjrec to choose
249 between convolution, dft, & fft filtering
250 Fixed format string for EZPlot so axis labels now print
251 Added support for FFTW library
254 Rewrote Array2dFile class to be non-templated
255 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
256 Rewrote Array2dFileLabel class to make members private, added access routines
257 Removed timedate.cpp in favor of standard C library time/date functions
258 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
259 Added signature tag and creation date/time to projection files
262 Standardized string option processing by classes. All classes use character strings
263 to select options rather than numeric constants. Added fail() and failMessage()
264 methods to verify that objects are created correctly by character strings.
265 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
266 Rewrote ImageFile class
267 Started support for dmallocxx library, not finished
268 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
269 Updated ifinfo to show comparative statistics
270 Added printLabels() to Array2dFile class
271 Added printStatistics() to ImageFile class
274 Moved conversion filter name/id to Filter class
275 Moved conversion backprojection name/id to Backproj class
276 Added MPI broadcasting of strings
279 Merged proj_reconstr into class Projections
280 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
281 Code cleanup in projections.cpp
282 Moved conversion of phantom names/id to Phantom class
285 Converted projection files to C++ library with frnetorderstream
286 Converted image files to C++ library with frnetorderstream
287 Converted filter and convolution to object-oriented code
288 Changed default image file to float from double -- Changable in imagefile.h
289 Optimized image file writing on little-endian architectures
290 Updated README and INSTALL
293 Reorganized source files
294 MPI bug fixed to phm2pj.cpp
297 Reorganized include files
298 Fixed const pointers in strfuncs
301 Renamed directories, moved source files, combined source files
302 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
306 Skip versions to make version 2.0 the first fully C++ version
307 Renamed Raysums to Projections throughout files
308 Renamed Detector to Scanner
309 Converted Scanner and Projecions to full object-oriented
312 Converted Phantom and PhantomElements to Object-Oriented
313 Converted Detector to Object-Oriented
316 Improved Integer backprojection method
317 Fixed nearest neighbor to be truly nearest neighbor
318 Made linear interpolation more integer arithmetic -> speed improvement
319 Finished converting all C files to C++
320 Converted all use of malloc/free to C++ new/delete
321 Began object-oriented conversion of Phantom and Projection structures
324 Converted MPI data structures to C++ object
325 Made ImageFile directly inherit from Array2dFile
328 First C++ conversions
329 Portable IF (image file) format implemented with objects (SDF removed)
330 - Now all data files are cross-platform compatible
331 Converted from MPI to MPI++
332 Converted backprojection to object-oriented
333 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
336 Simpilifed endian handling
339 Added support for 64-bit (IA64) CPU
340 Removed broken B-spline interpolation
341 Added support for cygwin platform under Windows 2000
342 Added support for 16-bit PNG graphics
345 Added compile-time configuration of endian order
348 Modified the raysum file format to be platform independent
351 Added Microsoft VC compatibility
352 Cleaned up compilation warnings in libgraph
355 Continued conversion to ANSI C
356 Removed old CRT routines
359 Renamed pictures to phantoms, objects to phantom elements
360 Continued code cleanup
363 More code cleanup with reorganizing libraries
364 Added --log and --exp to sdf-1
365 Allowed negative numbers for window levels in CGI interface
368 Continued code cleanup
372 Better documented, coded raysum in-memory on on-disk options
375 Cleaned out library that wasn't being used by CTSim
376 Modified ctsim.cgi to read in configuration file ctsim.conf
379 First open source distribution for GNU/Linux
382 Converted to GNU/Linux
383 added MPI support via LAM library
386 Developed under MS-DOS and IBM EGA graphics