3 * ctsim: Added most-recently-used files to File menu with
4 registry storage between executions.
6 * ctsim: Added MDI interface for Windows version and made it default
8 * ctsim: Added graphical About box
10 * ctsim: Added accelerator (hotkeys) to frames
12 * ctsim: Online help added as well as HTML help
14 * ctsim: Added icons to Frames on X-Window and MS Windows versions
16 * ctsim: Fixed tick-label placement for plots on projection and
17 reconstruction dialogs.
19 * pjinfo: Fixed bug when doing --dump and not specifing --endview
21 * ctsimtext-lam: Changes for first version to compile under lam
23 3.0.0alpha5 - Released 1/12/00
25 * ctsim: Added EZPlotDialog, used by debugging plots in
28 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
29 bug in parsing command-line parameters.
31 * views.cpp: Fixed bug in copying of labels from images to
34 * syserror.cpp: fixed reporting for fatal errors
36 * projections.cpp: fixed MSVC failure with std:: namespace
38 * procsignal.cpp: fixed bug in equiangular reconstructions
39 for frequency/inverse-fourier filtering
41 3.0.0alpha4 - Released 1/09/01
43 * ctsim: Added reset to full-intensity scale menu item
45 * ctsim: Add conversion of projections to polar plot [Thanks to
46 Ian Kay for reference and math hints in polar bilinear scaling]
48 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
51 * ctsim: imagefile labels are now copied to plotfiles
53 * ctsim: Added more analyze menuitems
55 * ctsimtext: First version. All command-line tools are now accessed
56 through this master shell. Has both command-line and interactive
59 * ctsim: Fixed initialization of min/max bug for PlotFiles
61 * ezplot: Cleaned up y-tick label placement
63 * sgp: Added better support for projection/reconstruction animation
65 3.0.0alpha3 - Released 1/02/01
67 * ctsim: Added plotting of histograms
69 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
71 * ezplot.cpp: adjusted xtick label displays for better placement
73 3.0alpha2 - Released 1/02/01
75 * ctsim: All functions of command-line tools are now in graphical ctsim
77 * ctsim: added generation of filter images
79 * ctsim: Added 2-image math functions (mul, add, div, sub)
81 * ctsim: Added export of imagefiles to graphic file formats
83 * ctsim: Added support for scaling imagefiles in new sizes
85 * ctsim: Added ability to save standard phantom definitions as
86 text files suitable for reading.
88 * ctsim: Add labels for image transformations and display of labels
89 when performing properties of images.
91 * processsignal.cpp: Fixed "off by one" bug in
92 shuffleNaturalToFourierOrder when n is even. Moved functions to
95 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
96 image math functions to complex-valued math.
98 * phantom.cpp: Added ability to save phantom files as ASCII text.
100 3.0alpha1 - Released 12/29/00
102 * Added PlotFile class to system, used by if2 and ctsim for row
103 and column plots and comparison plots
105 * ctsim: Added image comparison statistics and image subtraction
107 * ctsim: Added plotting of rows & columns with y-axis scaling
109 * ctsim: Added row and column plot comparisons between two image
112 * ctsim: Added "Process" menu to image file display with math
113 functions. Added 2-dimensional inverse Fourier to math
114 functions. Added support for complex (real/imaginary) images.
116 * mathfuncs.cpp: Reworked statistics algorithm to share between
117 imagefile and plotfile classes.
119 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
120 nsamples > 2. Added generic mage math functions, moved from
121 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
124 * array2dfile.cpp: Added code to support complex (real/imaginary)
127 * if1: Updated to handle error conditions, such as sqrt of a
128 negative number. Converted to use new ImageFile math functions.
130 * if2: Updated to output plot files and use new ImageFile class
133 * if1: Updated to use new ImageFile class math functions
135 * ezplot: Reworked to better store colors/linestyles/symbols with
136 individual curves. Improved display of labels and ticks. Updated
137 to use POL class member variable. Updated to more C++ conventions.
139 * pol: converted to C++ class. Extracted HashTable to separate
142 * sgp: Added linestyle settings
145 First Microsoft Windows GUI version
146 Modifications for Microsoft Visual C++ compilation.
147 Improved pjinfo to output binary headers and view data, useful
148 when manually compiling phantoms that vary during projection
149 process. Thanks to Ian Kay for idea and code submission.
150 Improved sorting to find median in ImageFile::statistics
151 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
152 Changed reconstruction dialog to fix onto smaller screens
153 Fixed display of plotting in Projection views
154 Improved animation displays for Projections and Reconstructions
155 Changed code to explicitly use std:: namespace rather than
156 "namespace using std" statements
157 Fixed reconstruction scaling bug introduced in 2.0.6
158 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
161 Fixed minor compilation problem with procsignal.h
163 Fixed bug when simulating projections and Trace == CONSOLE
164 Fixed scaling bug when performing redundant rotations around object
167 Improved compilation on RedHat 7
168 Changed some of ANSI C header files to C++ header files
169 Removed README.RedHat7
172 Added documentation for --geometry setting
173 Added README.RedHat7 document
176 Fixed bug in generation of binary PGM files
177 Fixed MPI compilation bug in phm2pj.cpp
178 Inverted y-axis output for pj2if (bug alert from Ian Kay)
181 Additions to man pages (Ian Kay)
182 Fix problem with reading of ASCII phantom files (Ian Kay)
185 Fixed syntax error in fftw configuration
186 Slight modifications to support gcc v2.9.6
189 Version 2.0.0 released!
190 ctsim: Added Window menu to Main frame
191 ctsim: Disabled not support reconstruction method
192 Fixed obscure bug in sys_error
193 Fixed compilation in mingw environment not present
194 Fixed compilation in non-graphical environments
197 ctsim: Added animation of reconstruction
198 ctsim: Added saving of dialog parameters for Projection & Reconstruction
199 ctsim: Added progress dialog for rasterization of phantom
200 ctsim: used setpriority to set lower priority
201 ctsim: fixed pReconstruct not being deleted causing scaling problem
202 ctsim: fixed projection animation dialog buttons
205 ctsim: Added projection graph to animation of projection collection
206 ctsim: Added single stepping to projection collection animation
207 ctsim: improved File/Properties display for projection files
208 ctsim: Added progress dialog for reconstructions
209 ctsim: Added file labels for projection and reconstruction images
210 ctsim: Made File/Properties bring up modal dialogs
211 Added reconstruction for Equilinear and Equiangular geometries
212 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
213 Separated reconstruction into Reconstructor class
214 Fixed center of detector adjustment for even number of detectors
215 Added --enable-static to generate statically linked programs
218 ctsim: Added animation of projection collection processs
219 ctsim: Added Auto Scaling for image windows
220 ctsim: Change menus from "windowing" to "display scaling"
221 Added FieldOfView and FocalLength ratio parameters to projection collection
222 Added FocalLength & FieldOfView fields to projection data files
223 Added Projection collection for Equilinear and Equiangular geometries
224 Changed name of Rowland Phantom to correct name of Shepp-Logan
225 Fixed bug in backprojection selection
228 Added RCS Id strings to executable files
229 Added RPM Spec file for RPM package creation
230 Added loading of ASCII phanthom definitions from files
231 Fixed compilation for non-SGP architectures
232 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
233 Added Filter-Generation option to reconstruction to allow direct or
234 inverse_fourier construction of filters
235 Added median to statistics and to auto-windowing
238 Added line color support to SGP
242 Finished support for dmallocxx library
243 Fixed bug in SignalFilter::convertFilterMethodNameToID()
244 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
245 G2 windows and well as WXWindows.
246 ctsim program: "Create Phantom" now shows phantom object
247 Fixed row-plot bug in if-2
248 Reworked EZPlot's multiple plot operation
251 ctsim program: improved initial size and scroll area for image
253 ctsim program: added rasterization parameters, projections parameters,
254 and reconstruction parameters dialogs
255 Moved char[] static definition from header files to c++ files
256 Completely reorganized option processing in classes to improve
257 expandability and to assist ctsim graphical user interface.
260 ctsim program: Added dialog to set minimum/maximum display levels
261 Started ctsim.tex document file
264 Fixed compiler warnings at -Wall level
265 Began work on CTSim program to be graphical front-end of all functions
266 Moved current src/*.cpp to tools/*.cpp
267 Made CTSim graphical front-end's home to be src/
270 Added highly optimized backprojection method idiff3
271 Moved comparative stats to if-2 program from ifinfo
272 Fixed image display in if2img using G2 library
273 Added column-plot and row-plot options to if-2
274 Added autoselection of analytic/calculated spatial responses to SignalFilter
275 Added frequency-based preinterpolation to SignalFilter and idiff3
276 backprojection method. Currently, this technique is still under
277 development and debugging
278 Moved graphic file writing to ImageFile class from if2img program
281 Cleaned up SignalFilter class
282 Added zeropad option to pjrec
283 Added zeropad options to html and cgi files
284 Added fourier_table and rfttw filter methods
285 Added FFTW routines to use real/half-complex transformations
288 Updated trace level processing
289 Added trace level to SignalFilter
290 Fixed magnitude vs. real output bug in FFT/Fourier filter
293 Fixed const issue with ImageFileArray
294 Fixed Array2dFile::labelsCopy()
295 Added copy constructor and assignment for Array2dFileLabel class
296 Added Timer to if-2.cpp and ifinfo.cpp
297 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
298 Added option processing for filter-method for pjrec to choose
299 between convolution, dft, & fft filtering
300 Fixed format string for EZPlot so axis labels now print
301 Added support for FFTW library
304 Rewrote Array2dFile class to be non-templated
305 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
306 Rewrote Array2dFileLabel class to make members private, added access routines
307 Removed timedate.cpp in favor of standard C library time/date functions
308 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
309 Added signature tag and creation date/time to projection files
312 Standardized string option processing by classes. All classes use character strings
313 to select options rather than numeric constants. Added fail() and failMessage()
314 methods to verify that objects are created correctly by character strings.
315 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
316 Rewrote ImageFile class
317 Started support for dmallocxx library, not finished
318 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
319 Updated ifinfo to show comparative statistics
320 Added printLabels() to Array2dFile class
321 Added printStatistics() to ImageFile class
324 Moved conversion filter name/id to Filter class
325 Moved conversion backprojection name/id to Backproj class
326 Added MPI broadcasting of strings
329 Merged proj_reconstr into class Projections
330 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
331 Code cleanup in projections.cpp
332 Moved conversion of phantom names/id to Phantom class
335 Converted projection files to C++ library with frnetorderstream
336 Converted image files to C++ library with frnetorderstream
337 Converted filter and convolution to object-oriented code
338 Changed default image file to float from double -- Changable in imagefile.h
339 Optimized image file writing on little-endian architectures
340 Updated README and INSTALL
343 Reorganized source files
344 MPI bug fixed to phm2pj.cpp
347 Reorganized include files
348 Fixed const pointers in strfuncs
351 Renamed directories, moved source files, combined source files
352 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
356 Skip versions to make version 2.0 the first fully C++ version
357 Renamed Raysums to Projections throughout files
358 Renamed Detector to Scanner
359 Converted Scanner and Projecions to full object-oriented
362 Converted Phantom and PhantomElements to Object-Oriented
363 Converted Detector to Object-Oriented
366 Improved Integer backprojection method
367 Fixed nearest neighbor to be truly nearest neighbor
368 Made linear interpolation more integer arithmetic -> speed improvement
369 Finished converting all C files to C++
370 Converted all use of malloc/free to C++ new/delete
371 Began object-oriented conversion of Phantom and Projection structures
374 Converted MPI data structures to C++ object
375 Made ImageFile directly inherit from Array2dFile
378 First C++ conversions
379 Portable IF (image file) format implemented with objects (SDF removed)
380 - Now all data files are cross-platform compatible
381 Converted from MPI to MPI++
382 Converted backprojection to object-oriented
383 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
386 Simpilifed endian handling
389 Added support for 64-bit (IA64) CPU
390 Removed broken B-spline interpolation
391 Added support for cygwin platform under Windows 2000
392 Added support for 16-bit PNG graphics
395 Added compile-time configuration of endian order
398 Modified the raysum file format to be platform independent
401 Added Microsoft VC compatibility
402 Cleaned up compilation warnings in libgraph
405 Continued conversion to ANSI C
406 Removed old CRT routines
409 Renamed pictures to phantoms, objects to phantom elements
410 Continued code cleanup
413 More code cleanup with reorganizing libraries
414 Added --log and --exp to sdf-1
415 Allowed negative numbers for window levels in CGI interface
418 Continued code cleanup
422 Better documented, coded raysum in-memory on on-disk options
425 Cleaned out library that wasn't being used by CTSim
426 Modified ctsim.cgi to read in configuration file ctsim.conf
429 First open source distribution for GNU/Linux
432 Converted to GNU/Linux
433 added MPI support via LAM library
436 Developed under MS-DOS and IBM EGA graphics