3 * ctsim: Changed default reconstruction filter generation
5 * ctsimtext: Fixed bugs for MSVC and with empty input lines
7 * syserror.cpp: fixed reporting for fatal errors
9 * projections.cpp: fixed MSVC failure with std:: namespace
11 3.0.0alpha4 - Released 1/09/01
13 * ctsim: Added reset to full-intensity scale menu item
15 * ctsim: Add conversion of projections to polar plot [Thanks to
16 Ian Kay for reference and math hints in polar bilinear scaling]
18 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
21 * ctsim: imagefile labels are now copied to plotfiles
23 * ctsim: Added more analyze menuitems
25 * ctsimtext: First version. All command-line tools are now accessed
26 through this master shell. Has both command-line and interactive
29 * ctsim: Fixed initialization of min/max bug for PlotFiles
31 * ezplot: Cleaned up y-tick label placement
33 * sgp: Added better support for projection/reconstruction animation
35 3.0.0alpha3 - Released 1/02/01
37 * ctsim: Added plotting of histograms
39 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
41 * ezplot.cpp: adjusted xtick label displays for better placement
43 3.0alpha2 - Released 1/02/01
45 * ctsim: All functions of command-line tools are now in graphical ctsim
47 * ctsim: added generation of filter images
49 * ctsim: Added 2-image math functions (mul, add, div, sub)
51 * ctsim: Added export of imagefiles to graphic file formats
53 * ctsim: Added support for scaling imagefiles in new sizes
55 * ctsim: Added ability to save standard phantom definitions as
56 text files suitable for reading.
58 * ctsim: Add labels for image transformations and display of labels
59 when performing properties of images.
61 * processsignal.cpp: Fixed "off by one" bug in
62 shuffleNaturalToFourierOrder when n is even. Moved functions to
65 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
66 image math functions to complex-valued math.
68 * phantom.cpp: Added ability to save phantom files as ASCII text.
70 3.0alpha1 - Released 12/29/00
72 * Added PlotFile class to system, used by if2 and ctsim for row
73 and column plots and comparison plots
75 * ctsim: Added image comparison statistics and image subtraction
77 * ctsim: Added plotting of rows & columns with y-axis scaling
79 * ctsim: Added row and column plot comparisons between two image
82 * ctsim: Added "Process" menu to image file display with math
83 functions. Added 2-dimensional inverse Fourier to math
84 functions. Added support for complex (real/imaginary) images.
86 * mathfuncs.cpp: Reworked statistics algorithm to share between
87 imagefile and plotfile classes.
89 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
90 nsamples > 2. Added generic mage math functions, moved from
91 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
94 * array2dfile.cpp: Added code to support complex (real/imaginary)
97 * if1: Updated to handle error conditions, such as sqrt of a
98 negative number. Converted to use new ImageFile math functions.
100 * if2: Updated to output plot files and use new ImageFile class
103 * if1: Updated to use new ImageFile class math functions
105 * ezplot: Reworked to better store colors/linestyles/symbols with
106 individual curves. Improved display of labels and ticks. Updated
107 to use POL class member variable. Updated to more C++ conventions.
109 * pol: converted to C++ class. Extracted HashTable to separate
112 * sgp: Added linestyle settings
115 First Microsoft Windows GUI version
116 Modifications for Microsoft Visual C++ compilation.
117 Improved pjinfo to output binary headers and view data, useful
118 when manually compiling phantoms that vary during projection
119 process. Thanks to Ian Kay for idea and code submission.
120 Improved sorting to find median in ImageFile::statistics
121 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
122 Changed reconstruction dialog to fix onto smaller screens
123 Fixed display of plotting in Projection views
124 Improved animation displays for Projections and Reconstructions
125 Changed code to explicitly use std:: namespace rather than
126 "namespace using std" statements
127 Fixed reconstruction scaling bug introduced in 2.0.6
128 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
131 Fixed minor compilation problem with procsignal.h
133 Fixed bug when simulating projections and Trace == CONSOLE
134 Fixed scaling bug when performing redundant rotations around object
137 Improved compilation on RedHat 7
138 Changed some of ANSI C header files to C++ header files
139 Removed README.RedHat7
142 Added documentation for --geometry setting
143 Added README.RedHat7 document
146 Fixed bug in generation of binary PGM files
147 Fixed MPI compilation bug in phm2pj.cpp
148 Inverted y-axis output for pj2if (bug alert from Ian Kay)
151 Additions to man pages (Ian Kay)
152 Fix problem with reading of ASCII phantom files (Ian Kay)
155 Fixed syntax error in fftw configuration
156 Slight modifications to support gcc v2.9.6
159 Version 2.0.0 released!
160 ctsim: Added Window menu to Main frame
161 ctsim: Disabled not support reconstruction method
162 Fixed obscure bug in sys_error
163 Fixed compilation in mingw environment not present
164 Fixed compilation in non-graphical environments
167 ctsim: Added animation of reconstruction
168 ctsim: Added saving of dialog parameters for Projection & Reconstruction
169 ctsim: Added progress dialog for rasterization of phantom
170 ctsim: used setpriority to set lower priority
171 ctsim: fixed pReconstruct not being deleted causing scaling problem
172 ctsim: fixed projection animation dialog buttons
175 ctsim: Added projection graph to animation of projection collection
176 ctsim: Added single stepping to projection collection animation
177 ctsim: improved File/Properties display for projection files
178 ctsim: Added progress dialog for reconstructions
179 ctsim: Added file labels for projection and reconstruction images
180 ctsim: Made File/Properties bring up modal dialogs
181 Added reconstruction for Equilinear and Equiangular geometries
182 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
183 Separated reconstruction into Reconstructor class
184 Fixed center of detector adjustment for even number of detectors
185 Added --enable-static to generate statically linked programs
188 ctsim: Added animation of projection collection processs
189 ctsim: Added Auto Scaling for image windows
190 ctsim: Change menus from "windowing" to "display scaling"
191 Added FieldOfView and FocalLength ratio parameters to projection collection
192 Added FocalLength & FieldOfView fields to projection data files
193 Added Projection collection for Equilinear and Equiangular geometries
194 Changed name of Rowland Phantom to correct name of Shepp-Logan
195 Fixed bug in backprojection selection
198 Added RCS Id strings to executable files
199 Added RPM Spec file for RPM package creation
200 Added loading of ASCII phanthom definitions from files
201 Fixed compilation for non-SGP architectures
202 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
203 Added Filter-Generation option to reconstruction to allow direct or
204 inverse_fourier construction of filters
205 Added median to statistics and to auto-windowing
208 Added line color support to SGP
212 Finished support for dmallocxx library
213 Fixed bug in SignalFilter::convertFilterMethodNameToID()
214 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
215 G2 windows and well as WXWindows.
216 ctsim program: "Create Phantom" now shows phantom object
217 Fixed row-plot bug in if-2
218 Reworked EZPlot's multiple plot operation
221 ctsim program: improved initial size and scroll area for image
223 ctsim program: added rasterization parameters, projections parameters,
224 and reconstruction parameters dialogs
225 Moved char[] static definition from header files to c++ files
226 Completely reorganized option processing in classes to improve
227 expandability and to assist ctsim graphical user interface.
230 ctsim program: Added dialog to set minimum/maximum display levels
231 Started ctsim.tex document file
234 Fixed compiler warnings at -Wall level
235 Began work on CTSim program to be graphical front-end of all functions
236 Moved current src/*.cpp to tools/*.cpp
237 Made CTSim graphical front-end's home to be src/
240 Added highly optimized backprojection method idiff3
241 Moved comparative stats to if-2 program from ifinfo
242 Fixed image display in if2img using G2 library
243 Added column-plot and row-plot options to if-2
244 Added autoselection of analytic/calculated spatial responses to SignalFilter
245 Added frequency-based preinterpolation to SignalFilter and idiff3
246 backprojection method. Currently, this technique is still under
247 development and debugging
248 Moved graphic file writing to ImageFile class from if2img program
251 Cleaned up SignalFilter class
252 Added zeropad option to pjrec
253 Added zeropad options to html and cgi files
254 Added fourier_table and rfttw filter methods
255 Added FFTW routines to use real/half-complex transformations
258 Updated trace level processing
259 Added trace level to SignalFilter
260 Fixed magnitude vs. real output bug in FFT/Fourier filter
263 Fixed const issue with ImageFileArray
264 Fixed Array2dFile::labelsCopy()
265 Added copy constructor and assignment for Array2dFileLabel class
266 Added Timer to if-2.cpp and ifinfo.cpp
267 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
268 Added option processing for filter-method for pjrec to choose
269 between convolution, dft, & fft filtering
270 Fixed format string for EZPlot so axis labels now print
271 Added support for FFTW library
274 Rewrote Array2dFile class to be non-templated
275 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
276 Rewrote Array2dFileLabel class to make members private, added access routines
277 Removed timedate.cpp in favor of standard C library time/date functions
278 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
279 Added signature tag and creation date/time to projection files
282 Standardized string option processing by classes. All classes use character strings
283 to select options rather than numeric constants. Added fail() and failMessage()
284 methods to verify that objects are created correctly by character strings.
285 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
286 Rewrote ImageFile class
287 Started support for dmallocxx library, not finished
288 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
289 Updated ifinfo to show comparative statistics
290 Added printLabels() to Array2dFile class
291 Added printStatistics() to ImageFile class
294 Moved conversion filter name/id to Filter class
295 Moved conversion backprojection name/id to Backproj class
296 Added MPI broadcasting of strings
299 Merged proj_reconstr into class Projections
300 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
301 Code cleanup in projections.cpp
302 Moved conversion of phantom names/id to Phantom class
305 Converted projection files to C++ library with frnetorderstream
306 Converted image files to C++ library with frnetorderstream
307 Converted filter and convolution to object-oriented code
308 Changed default image file to float from double -- Changable in imagefile.h
309 Optimized image file writing on little-endian architectures
310 Updated README and INSTALL
313 Reorganized source files
314 MPI bug fixed to phm2pj.cpp
317 Reorganized include files
318 Fixed const pointers in strfuncs
321 Renamed directories, moved source files, combined source files
322 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
326 Skip versions to make version 2.0 the first fully C++ version
327 Renamed Raysums to Projections throughout files
328 Renamed Detector to Scanner
329 Converted Scanner and Projecions to full object-oriented
332 Converted Phantom and PhantomElements to Object-Oriented
333 Converted Detector to Object-Oriented
336 Improved Integer backprojection method
337 Fixed nearest neighbor to be truly nearest neighbor
338 Made linear interpolation more integer arithmetic -> speed improvement
339 Finished converting all C files to C++
340 Converted all use of malloc/free to C++ new/delete
341 Began object-oriented conversion of Phantom and Projection structures
344 Converted MPI data structures to C++ object
345 Made ImageFile directly inherit from Array2dFile
348 First C++ conversions
349 Portable IF (image file) format implemented with objects (SDF removed)
350 - Now all data files are cross-platform compatible
351 Converted from MPI to MPI++
352 Converted backprojection to object-oriented
353 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
356 Simpilifed endian handling
359 Added support for 64-bit (IA64) CPU
360 Removed broken B-spline interpolation
361 Added support for cygwin platform under Windows 2000
362 Added support for 16-bit PNG graphics
365 Added compile-time configuration of endian order
368 Modified the raysum file format to be platform independent
371 Added Microsoft VC compatibility
372 Cleaned up compilation warnings in libgraph
375 Continued conversion to ANSI C
376 Removed old CRT routines
379 Renamed pictures to phantoms, objects to phantom elements
380 Continued code cleanup
383 More code cleanup with reorganizing libraries
384 Added --log and --exp to sdf-1
385 Allowed negative numbers for window levels in CGI interface
388 Continued code cleanup
392 Better documented, coded raysum in-memory on on-disk options
395 Cleaned out library that wasn't being used by CTSim
396 Modified ctsim.cgi to read in configuration file ctsim.conf
399 First open source distribution for GNU/Linux
402 Converted to GNU/Linux
403 added MPI support via LAM library
406 Developed under MS-DOS and IBM EGA graphics