3 * ctsim: Added EZPlotDialog, used by debugging plots in
6 * ctsimtext: Fixed bugs for MSVC and with empty input lines
8 * views.cpp: Fixed bug in copying of labels from images to
11 * syserror.cpp: fixed reporting for fatal errors
13 * projections.cpp: fixed MSVC failure with std:: namespace
15 * procsignal.cpp: fixed bug in equiangular reconstructions
16 for frequency/inverse-fourier filtering
18 3.0.0alpha4 - Released 1/09/01
20 * ctsim: Added reset to full-intensity scale menu item
22 * ctsim: Add conversion of projections to polar plot [Thanks to
23 Ian Kay for reference and math hints in polar bilinear scaling]
25 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
28 * ctsim: imagefile labels are now copied to plotfiles
30 * ctsim: Added more analyze menuitems
32 * ctsimtext: First version. All command-line tools are now accessed
33 through this master shell. Has both command-line and interactive
36 * ctsim: Fixed initialization of min/max bug for PlotFiles
38 * ezplot: Cleaned up y-tick label placement
40 * sgp: Added better support for projection/reconstruction animation
42 3.0.0alpha3 - Released 1/02/01
44 * ctsim: Added plotting of histograms
46 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
48 * ezplot.cpp: adjusted xtick label displays for better placement
50 3.0alpha2 - Released 1/02/01
52 * ctsim: All functions of command-line tools are now in graphical ctsim
54 * ctsim: added generation of filter images
56 * ctsim: Added 2-image math functions (mul, add, div, sub)
58 * ctsim: Added export of imagefiles to graphic file formats
60 * ctsim: Added support for scaling imagefiles in new sizes
62 * ctsim: Added ability to save standard phantom definitions as
63 text files suitable for reading.
65 * ctsim: Add labels for image transformations and display of labels
66 when performing properties of images.
68 * processsignal.cpp: Fixed "off by one" bug in
69 shuffleNaturalToFourierOrder when n is even. Moved functions to
72 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
73 image math functions to complex-valued math.
75 * phantom.cpp: Added ability to save phantom files as ASCII text.
77 3.0alpha1 - Released 12/29/00
79 * Added PlotFile class to system, used by if2 and ctsim for row
80 and column plots and comparison plots
82 * ctsim: Added image comparison statistics and image subtraction
84 * ctsim: Added plotting of rows & columns with y-axis scaling
86 * ctsim: Added row and column plot comparisons between two image
89 * ctsim: Added "Process" menu to image file display with math
90 functions. Added 2-dimensional inverse Fourier to math
91 functions. Added support for complex (real/imaginary) images.
93 * mathfuncs.cpp: Reworked statistics algorithm to share between
94 imagefile and plotfile classes.
96 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
97 nsamples > 2. Added generic mage math functions, moved from
98 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
101 * array2dfile.cpp: Added code to support complex (real/imaginary)
104 * if1: Updated to handle error conditions, such as sqrt of a
105 negative number. Converted to use new ImageFile math functions.
107 * if2: Updated to output plot files and use new ImageFile class
110 * if1: Updated to use new ImageFile class math functions
112 * ezplot: Reworked to better store colors/linestyles/symbols with
113 individual curves. Improved display of labels and ticks. Updated
114 to use POL class member variable. Updated to more C++ conventions.
116 * pol: converted to C++ class. Extracted HashTable to separate
119 * sgp: Added linestyle settings
122 First Microsoft Windows GUI version
123 Modifications for Microsoft Visual C++ compilation.
124 Improved pjinfo to output binary headers and view data, useful
125 when manually compiling phantoms that vary during projection
126 process. Thanks to Ian Kay for idea and code submission.
127 Improved sorting to find median in ImageFile::statistics
128 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
129 Changed reconstruction dialog to fix onto smaller screens
130 Fixed display of plotting in Projection views
131 Improved animation displays for Projections and Reconstructions
132 Changed code to explicitly use std:: namespace rather than
133 "namespace using std" statements
134 Fixed reconstruction scaling bug introduced in 2.0.6
135 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
138 Fixed minor compilation problem with procsignal.h
140 Fixed bug when simulating projections and Trace == CONSOLE
141 Fixed scaling bug when performing redundant rotations around object
144 Improved compilation on RedHat 7
145 Changed some of ANSI C header files to C++ header files
146 Removed README.RedHat7
149 Added documentation for --geometry setting
150 Added README.RedHat7 document
153 Fixed bug in generation of binary PGM files
154 Fixed MPI compilation bug in phm2pj.cpp
155 Inverted y-axis output for pj2if (bug alert from Ian Kay)
158 Additions to man pages (Ian Kay)
159 Fix problem with reading of ASCII phantom files (Ian Kay)
162 Fixed syntax error in fftw configuration
163 Slight modifications to support gcc v2.9.6
166 Version 2.0.0 released!
167 ctsim: Added Window menu to Main frame
168 ctsim: Disabled not support reconstruction method
169 Fixed obscure bug in sys_error
170 Fixed compilation in mingw environment not present
171 Fixed compilation in non-graphical environments
174 ctsim: Added animation of reconstruction
175 ctsim: Added saving of dialog parameters for Projection & Reconstruction
176 ctsim: Added progress dialog for rasterization of phantom
177 ctsim: used setpriority to set lower priority
178 ctsim: fixed pReconstruct not being deleted causing scaling problem
179 ctsim: fixed projection animation dialog buttons
182 ctsim: Added projection graph to animation of projection collection
183 ctsim: Added single stepping to projection collection animation
184 ctsim: improved File/Properties display for projection files
185 ctsim: Added progress dialog for reconstructions
186 ctsim: Added file labels for projection and reconstruction images
187 ctsim: Made File/Properties bring up modal dialogs
188 Added reconstruction for Equilinear and Equiangular geometries
189 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
190 Separated reconstruction into Reconstructor class
191 Fixed center of detector adjustment for even number of detectors
192 Added --enable-static to generate statically linked programs
195 ctsim: Added animation of projection collection processs
196 ctsim: Added Auto Scaling for image windows
197 ctsim: Change menus from "windowing" to "display scaling"
198 Added FieldOfView and FocalLength ratio parameters to projection collection
199 Added FocalLength & FieldOfView fields to projection data files
200 Added Projection collection for Equilinear and Equiangular geometries
201 Changed name of Rowland Phantom to correct name of Shepp-Logan
202 Fixed bug in backprojection selection
205 Added RCS Id strings to executable files
206 Added RPM Spec file for RPM package creation
207 Added loading of ASCII phanthom definitions from files
208 Fixed compilation for non-SGP architectures
209 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
210 Added Filter-Generation option to reconstruction to allow direct or
211 inverse_fourier construction of filters
212 Added median to statistics and to auto-windowing
215 Added line color support to SGP
219 Finished support for dmallocxx library
220 Fixed bug in SignalFilter::convertFilterMethodNameToID()
221 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
222 G2 windows and well as WXWindows.
223 ctsim program: "Create Phantom" now shows phantom object
224 Fixed row-plot bug in if-2
225 Reworked EZPlot's multiple plot operation
228 ctsim program: improved initial size and scroll area for image
230 ctsim program: added rasterization parameters, projections parameters,
231 and reconstruction parameters dialogs
232 Moved char[] static definition from header files to c++ files
233 Completely reorganized option processing in classes to improve
234 expandability and to assist ctsim graphical user interface.
237 ctsim program: Added dialog to set minimum/maximum display levels
238 Started ctsim.tex document file
241 Fixed compiler warnings at -Wall level
242 Began work on CTSim program to be graphical front-end of all functions
243 Moved current src/*.cpp to tools/*.cpp
244 Made CTSim graphical front-end's home to be src/
247 Added highly optimized backprojection method idiff3
248 Moved comparative stats to if-2 program from ifinfo
249 Fixed image display in if2img using G2 library
250 Added column-plot and row-plot options to if-2
251 Added autoselection of analytic/calculated spatial responses to SignalFilter
252 Added frequency-based preinterpolation to SignalFilter and idiff3
253 backprojection method. Currently, this technique is still under
254 development and debugging
255 Moved graphic file writing to ImageFile class from if2img program
258 Cleaned up SignalFilter class
259 Added zeropad option to pjrec
260 Added zeropad options to html and cgi files
261 Added fourier_table and rfttw filter methods
262 Added FFTW routines to use real/half-complex transformations
265 Updated trace level processing
266 Added trace level to SignalFilter
267 Fixed magnitude vs. real output bug in FFT/Fourier filter
270 Fixed const issue with ImageFileArray
271 Fixed Array2dFile::labelsCopy()
272 Added copy constructor and assignment for Array2dFileLabel class
273 Added Timer to if-2.cpp and ifinfo.cpp
274 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
275 Added option processing for filter-method for pjrec to choose
276 between convolution, dft, & fft filtering
277 Fixed format string for EZPlot so axis labels now print
278 Added support for FFTW library
281 Rewrote Array2dFile class to be non-templated
282 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
283 Rewrote Array2dFileLabel class to make members private, added access routines
284 Removed timedate.cpp in favor of standard C library time/date functions
285 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
286 Added signature tag and creation date/time to projection files
289 Standardized string option processing by classes. All classes use character strings
290 to select options rather than numeric constants. Added fail() and failMessage()
291 methods to verify that objects are created correctly by character strings.
292 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
293 Rewrote ImageFile class
294 Started support for dmallocxx library, not finished
295 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
296 Updated ifinfo to show comparative statistics
297 Added printLabels() to Array2dFile class
298 Added printStatistics() to ImageFile class
301 Moved conversion filter name/id to Filter class
302 Moved conversion backprojection name/id to Backproj class
303 Added MPI broadcasting of strings
306 Merged proj_reconstr into class Projections
307 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
308 Code cleanup in projections.cpp
309 Moved conversion of phantom names/id to Phantom class
312 Converted projection files to C++ library with frnetorderstream
313 Converted image files to C++ library with frnetorderstream
314 Converted filter and convolution to object-oriented code
315 Changed default image file to float from double -- Changable in imagefile.h
316 Optimized image file writing on little-endian architectures
317 Updated README and INSTALL
320 Reorganized source files
321 MPI bug fixed to phm2pj.cpp
324 Reorganized include files
325 Fixed const pointers in strfuncs
328 Renamed directories, moved source files, combined source files
329 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
333 Skip versions to make version 2.0 the first fully C++ version
334 Renamed Raysums to Projections throughout files
335 Renamed Detector to Scanner
336 Converted Scanner and Projecions to full object-oriented
339 Converted Phantom and PhantomElements to Object-Oriented
340 Converted Detector to Object-Oriented
343 Improved Integer backprojection method
344 Fixed nearest neighbor to be truly nearest neighbor
345 Made linear interpolation more integer arithmetic -> speed improvement
346 Finished converting all C files to C++
347 Converted all use of malloc/free to C++ new/delete
348 Began object-oriented conversion of Phantom and Projection structures
351 Converted MPI data structures to C++ object
352 Made ImageFile directly inherit from Array2dFile
355 First C++ conversions
356 Portable IF (image file) format implemented with objects (SDF removed)
357 - Now all data files are cross-platform compatible
358 Converted from MPI to MPI++
359 Converted backprojection to object-oriented
360 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
363 Simpilifed endian handling
366 Added support for 64-bit (IA64) CPU
367 Removed broken B-spline interpolation
368 Added support for cygwin platform under Windows 2000
369 Added support for 16-bit PNG graphics
372 Added compile-time configuration of endian order
375 Modified the raysum file format to be platform independent
378 Added Microsoft VC compatibility
379 Cleaned up compilation warnings in libgraph
382 Continued conversion to ANSI C
383 Removed old CRT routines
386 Renamed pictures to phantoms, objects to phantom elements
387 Continued code cleanup
390 More code cleanup with reorganizing libraries
391 Added --log and --exp to sdf-1
392 Allowed negative numbers for window levels in CGI interface
395 Continued code cleanup
399 Better documented, coded raysum in-memory on on-disk options
402 Cleaned out library that wasn't being used by CTSim
403 Modified ctsim.cgi to read in configuration file ctsim.conf
406 First open source distribution for GNU/Linux
409 Converted to GNU/Linux
410 added MPI support via LAM library
413 Developed under MS-DOS and IBM EGA graphics