3 * ctsim: Fixed initialization of min/max for PlotFiles
5 3.0.0alpha3 - Released 1/02/01
7 * ctsim: Added plotting of histograms
9 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
11 * ezplot.cpp: adjusted xtick label displays for better placement
13 3.0alpha2 - Released 1/02/01
15 * ctsim: All functions of command-line tools are now in graphical ctsim
17 * ctsim: added generation of filter images
19 * ctsim: Added 2-image math functions (mul, add, div, sub)
21 * ctsim: Added export of imagefiles to graphic file formats
23 * ctsim: Added support for scaling imagefiles in new sizes
25 * ctsim: Added ability to save standard phantom definitions as
26 text files suitable for reading.
28 * ctsim: Add labels for image transformations and display of labels
29 when performing properties of images.
31 * processsignal.cpp: Fixed "off by one" bug in
32 shuffleNaturalToFourierOrder when n is even. Moved functions to
35 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
36 image math functions to complex-valued math.
38 * phantom.cpp: Added ability to save phantom files as ASCII text.
40 3.0alpha1 - Released 12/29/00
42 * Added PlotFile class to system, used by if2 and ctsim for row
43 and column plots and comparison plots
45 * ctsim: Added image comparison statistics and image subtraction
47 * ctsim: Added plotting of rows & columns with y-axis scaling
49 * ctsim: Added row and column plot comparisons between two image
52 * ctsim: Added "Process" menu to image file display with math
53 functions. Added 2-dimensional inverse Fourier to math
54 functions. Added support for complex (real/imaginary) images.
56 * mathfuncs.cpp: Reworked statistics algorithm to share between
57 imagefile and plotfile classes.
59 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
60 nsamples > 2. Added generic mage math functions, moved from
61 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
64 * array2dfile.cpp: Added code to support complex (real/imaginary)
67 * if1: Updated to handle error conditions, such as sqrt of a
68 negative number. Converted to use new ImageFile math functions.
70 * if2: Updated to output plot files and use new ImageFile class
73 * if1: Updated to use new ImageFile class math functions
75 * ezplot: Reworked to better store colors/linestyles/symbols with
76 individual curves. Improved display of labels and ticks. Updated
77 to use POL class member variable. Updated to more C++ conventions.
79 * pol: converted to C++ class. Extracted HashTable to separate
82 * sgp: Added linestyle settings
85 First Microsoft Windows GUI version
86 Modifications for Microsoft Visual C++ compilation.
87 Improved pjinfo to output binary headers and view data, useful
88 when manually compiling phantoms that vary during projection
89 process. Thanks to Ian Kay for idea and code submission.
90 Improved sorting to find median in ImageFile::statistics
91 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
92 Changed reconstruction dialog to fix onto smaller screens
93 Fixed display of plotting in Projection views
94 Improved animation displays for Projections and Reconstructions
95 Changed code to explicitly use std:: namespace rather than
96 "namespace using std" statements
97 Fixed reconstruction scaling bug introduced in 2.0.6
98 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
101 Fixed minor compilation problem with procsignal.h
103 Fixed bug when simulating projections and Trace == CONSOLE
104 Fixed scaling bug when performing redundant rotations around object
107 Improved compilation on RedHat 7
108 Changed some of ANSI C header files to C++ header files
109 Removed README.RedHat7
112 Added documentation for --geometry setting
113 Added README.RedHat7 document
116 Fixed bug in generation of binary PGM files
117 Fixed MPI compilation bug in phm2pj.cpp
118 Inverted y-axis output for pj2if (bug alert from Ian Kay)
121 Additions to man pages (Ian Kay)
122 Fix problem with reading of ASCII phantom files (Ian Kay)
125 Fixed syntax error in fftw configuration
126 Slight modifications to support gcc v2.9.6
129 Version 2.0.0 released!
130 ctsim: Added Window menu to Main frame
131 ctsim: Disabled not support reconstruction method
132 Fixed obscure bug in sys_error
133 Fixed compilation in mingw environment not present
134 Fixed compilation in non-graphical environments
137 ctsim: Added animation of reconstruction
138 ctsim: Added saving of dialog parameters for Projection & Reconstruction
139 ctsim: Added progress dialog for rasterization of phantom
140 ctsim: used setpriority to set lower priority
141 ctsim: fixed pReconstruct not being deleted causing scaling problem
142 ctsim: fixed projection animation dialog buttons
145 ctsim: Added projection graph to animation of projection collection
146 ctsim: Added single stepping to projection collection animation
147 ctsim: improved File/Properties display for projection files
148 ctsim: Added progress dialog for reconstructions
149 ctsim: Added file labels for projection and reconstruction images
150 ctsim: Made File/Properties bring up modal dialogs
151 Added reconstruction for Equilinear and Equiangular geometries
152 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
153 Separated reconstruction into Reconstructor class
154 Fixed center of detector adjustment for even number of detectors
155 Added --enable-static to generate statically linked programs
158 ctsim: Added animation of projection collection processs
159 ctsim: Added Auto Scaling for image windows
160 ctsim: Change menus from "windowing" to "display scaling"
161 Added FieldOfView and FocalLength ratio parameters to projection collection
162 Added FocalLength & FieldOfView fields to projection data files
163 Added Projection collection for Equilinear and Equiangular geometries
164 Changed name of Rowland Phantom to correct name of Shepp-Logan
165 Fixed bug in backprojection selection
168 Added RCS Id strings to executable files
169 Added RPM Spec file for RPM package creation
170 Added loading of ASCII phanthom definitions from files
171 Fixed compilation for non-SGP architectures
172 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
173 Added Filter-Generation option to reconstruction to allow direct or
174 inverse_fourier construction of filters
175 Added median to statistics and to auto-windowing
178 Added line color support to SGP
182 Finished support for dmallocxx library
183 Fixed bug in SignalFilter::convertFilterMethodNameToID()
184 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
185 G2 windows and well as WXWindows.
186 ctsim program: "Create Phantom" now shows phantom object
187 Fixed row-plot bug in if-2
188 Reworked EZPlot's multiple plot operation
191 ctsim program: improved initial size and scroll area for image
193 ctsim program: added rasterization parameters, projections parameters,
194 and reconstruction parameters dialogs
195 Moved char[] static definition from header files to c++ files
196 Completely reorganized option processing in classes to improve
197 expandability and to assist ctsim graphical user interface.
200 ctsim program: Added dialog to set minimum/maximum display levels
201 Started ctsim.tex document file
204 Fixed compiler warnings at -Wall level
205 Began work on CTSim program to be graphical front-end of all functions
206 Moved current src/*.cpp to tools/*.cpp
207 Made CTSim graphical front-end's home to be src/
210 Added highly optimized backprojection method idiff3
211 Moved comparative stats to if-2 program from ifinfo
212 Fixed image display in if2img using G2 library
213 Added column-plot and row-plot options to if-2
214 Added autoselection of analytic/calculated spatial responses to SignalFilter
215 Added frequency-based preinterpolation to SignalFilter and idiff3
216 backprojection method. Currently, this technique is still under
217 development and debugging
218 Moved graphic file writing to ImageFile class from if2img program
221 Cleaned up SignalFilter class
222 Added zeropad option to pjrec
223 Added zeropad options to html and cgi files
224 Added fourier_table and rfttw filter methods
225 Added FFTW routines to use real/half-complex transformations
228 Updated trace level processing
229 Added trace level to SignalFilter
230 Fixed magnitude vs. real output bug in FFT/Fourier filter
233 Fixed const issue with ImageFileArray
234 Fixed Array2dFile::labelsCopy()
235 Added copy constructor and assignment for Array2dFileLabel class
236 Added Timer to if-2.cpp and ifinfo.cpp
237 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
238 Added option processing for filter-method for pjrec to choose
239 between convolution, dft, & fft filtering
240 Fixed format string for EZPlot so axis labels now print
241 Added support for FFTW library
244 Rewrote Array2dFile class to be non-templated
245 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
246 Rewrote Array2dFileLabel class to make members private, added access routines
247 Removed timedate.cpp in favor of standard C library time/date functions
248 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
249 Added signature tag and creation date/time to projection files
252 Standardized string option processing by classes. All classes use character strings
253 to select options rather than numeric constants. Added fail() and failMessage()
254 methods to verify that objects are created correctly by character strings.
255 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
256 Rewrote ImageFile class
257 Started support for dmallocxx library, not finished
258 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
259 Updated ifinfo to show comparative statistics
260 Added printLabels() to Array2dFile class
261 Added printStatistics() to ImageFile class
264 Moved conversion filter name/id to Filter class
265 Moved conversion backprojection name/id to Backproj class
266 Added MPI broadcasting of strings
269 Merged proj_reconstr into class Projections
270 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
271 Code cleanup in projections.cpp
272 Moved conversion of phantom names/id to Phantom class
275 Converted projection files to C++ library with frnetorderstream
276 Converted image files to C++ library with frnetorderstream
277 Converted filter and convolution to object-oriented code
278 Changed default image file to float from double -- Changable in imagefile.h
279 Optimized image file writing on little-endian architectures
280 Updated README and INSTALL
283 Reorganized source files
284 MPI bug fixed to phm2pj.cpp
287 Reorganized include files
288 Fixed const pointers in strfuncs
291 Renamed directories, moved source files, combined source files
292 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
296 Skip versions to make version 2.0 the first fully C++ version
297 Renamed Raysums to Projections throughout files
298 Renamed Detector to Scanner
299 Converted Scanner and Projecions to full object-oriented
302 Converted Phantom and PhantomElements to Object-Oriented
303 Converted Detector to Object-Oriented
306 Improved Integer backprojection method
307 Fixed nearest neighbor to be truly nearest neighbor
308 Made linear interpolation more integer arithmetic -> speed improvement
309 Finished converting all C files to C++
310 Converted all use of malloc/free to C++ new/delete
311 Began object-oriented conversion of Phantom and Projection structures
314 Converted MPI data structures to C++ object
315 Made ImageFile directly inherit from Array2dFile
318 First C++ conversions
319 Portable IF (image file) format implemented with objects (SDF removed)
320 - Now all data files are cross-platform compatible
321 Converted from MPI to MPI++
322 Converted backprojection to object-oriented
323 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
326 Simpilifed endian handling
329 Added support for 64-bit (IA64) CPU
330 Removed broken B-spline interpolation
331 Added support for cygwin platform under Windows 2000
332 Added support for 16-bit PNG graphics
335 Added compile-time configuration of endian order
338 Modified the raysum file format to be platform independent
341 Added Microsoft VC compatibility
342 Cleaned up compilation warnings in libgraph
345 Continued conversion to ANSI C
346 Removed old CRT routines
349 Renamed pictures to phantoms, objects to phantom elements
350 Continued code cleanup
353 More code cleanup with reorganizing libraries
354 Added --log and --exp to sdf-1
355 Allowed negative numbers for window levels in CGI interface
358 Continued code cleanup
362 Better documented, coded raysum in-memory on on-disk options
365 Cleaned out library that wasn't being used by CTSim
366 Modified ctsim.cgi to read in configuration file ctsim.conf
369 First open source distribution for GNU/Linux
372 Converted to GNU/Linux
373 added MPI support via LAM library
376 Developed under MS-DOS and IBM EGA graphics