1 3.0.0beta1 - Released 2/11/01
3 * ctsim: Added most-recently-used files to File menu with
4 registry storage between executions.
6 * ctsim: Hides arcane features unless enabled by Preferences dialog
8 * ctsim: Added MDI interface for Windows version and made it default for Windows.
10 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
12 * ctsim: Added graphical About box
14 * ctsim: Escape key now removes cursor lines from image file view
16 * ctsim: Added Revert to ImageFile menu
18 * ctsim: Added accelerator (hotkeys) to frames
20 * ctsim: Online help added!
22 * backprojector: Added cubic interpolation
24 * ctsim: Added icons to Frames on X-Window and MS Windows versions
26 * ctsim: Fixed tick-label placement for plots on projection and
27 reconstruction dialogs.
29 * timer.h: Add use of _ftime when compiling on MSVC
31 * ctsim: Fixed crash on shutdown bug
32 * global: Projection files are not compatible with previous version
33 due to new scanner definitions.
35 * global: deleted concept of field-of-view and added
36 view ratio and scan ratio concepts.
38 * pjinfo: Fixed bug when doing --dump and not specifing --endview
40 * phm2pj: Fixed MPI bug with broadcasting of variables
42 * ctsimtext-lam: Changes for first version to compile under lam
45 3.0.0alpha5 - Released 1/12/00
47 * ctsim: Added EZPlotDialog, used by debugging plots in
50 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
51 bug in parsing command-line parameters.
53 * views.cpp: Fixed bug in copying of labels from images to
56 * syserror.cpp: fixed reporting for fatal errors
58 * projections.cpp: fixed MSVC failure with std:: namespace
60 * procsignal.cpp: fixed bug in equiangular reconstructions
61 for frequency/inverse-fourier filtering
63 3.0.0alpha4 - Released 1/09/01
65 * ctsim: Added reset to full-intensity scale menu item
67 * ctsim: Add conversion of projections to polar plot [Thanks to
68 Ian Kay for reference and math hints in polar bilinear scaling]
70 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
73 * ctsim: imagefile labels are now copied to plotfiles
75 * ctsim: Added more analyze menuitems
77 * ctsimtext: First version. All command-line tools are now accessed
78 through this master shell. Has both command-line and interactive
81 * ctsim: Fixed initialization of min/max bug for PlotFiles
83 * ezplot: Cleaned up y-tick label placement
85 * sgp: Added better support for projection/reconstruction animation
87 3.0.0alpha3 - Released 1/02/01
89 * ctsim: Added plotting of histograms
91 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
93 * ezplot.cpp: adjusted xtick label displays for better placement
95 3.0alpha2 - Released 1/02/01
97 * ctsim: All functions of command-line tools are now in graphical ctsim
99 * ctsim: added generation of filter images
101 * ctsim: Added 2-image math functions (mul, add, div, sub)
103 * ctsim: Added export of imagefiles to graphic file formats
105 * ctsim: Added support for scaling imagefiles in new sizes
107 * ctsim: Added ability to save standard phantom definitions as
108 text files suitable for reading.
110 * ctsim: Add labels for image transformations and display of labels
111 when performing properties of images.
113 * processsignal.cpp: Fixed "off by one" bug in
114 shuffleNaturalToFourierOrder when n is even. Moved functions to
117 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
118 image math functions to complex-valued math.
120 * phantom.cpp: Added ability to save phantom files as ASCII text.
122 3.0alpha1 - Released 12/29/00
124 * Added PlotFile class to system, used by if2 and ctsim for row
125 and column plots and comparison plots
127 * ctsim: Added image comparison statistics and image subtraction
129 * ctsim: Added plotting of rows & columns with y-axis scaling
131 * ctsim: Added row and column plot comparisons between two image
134 * ctsim: Added "Process" menu to image file display with math
135 functions. Added 2-dimensional inverse Fourier to math
136 functions. Added support for complex (real/imaginary) images.
138 * mathfuncs.cpp: Reworked statistics algorithm to share between
139 imagefile and plotfile classes.
141 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
142 nsamples > 2. Added generic mage math functions, moved from
143 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
146 * array2dfile.cpp: Added code to support complex (real/imaginary)
149 * if1: Updated to handle error conditions, such as sqrt of a
150 negative number. Converted to use new ImageFile math functions.
152 * if2: Updated to output plot files and use new ImageFile class
155 * if1: Updated to use new ImageFile class math functions
157 * ezplot: Reworked to better store colors/linestyles/symbols with
158 individual curves. Improved display of labels and ticks. Updated
159 to use POL class member variable. Updated to more C++ conventions.
161 * pol: converted to C++ class. Extracted HashTable to separate
164 * sgp: Added linestyle settings
167 First Microsoft Windows GUI version
168 Modifications for Microsoft Visual C++ compilation.
169 Improved pjinfo to output binary headers and view data, useful
170 when manually compiling phantoms that vary during projection
171 process. Thanks to Ian Kay for idea and code submission.
172 Improved sorting to find median in ImageFile::statistics
173 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
174 Changed reconstruction dialog to fix onto smaller screens
175 Fixed display of plotting in Projection views
176 Improved animation displays for Projections and Reconstructions
177 Changed code to explicitly use std:: namespace rather than
178 "namespace using std" statements
179 Fixed reconstruction scaling bug introduced in 2.0.6
180 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
183 Fixed minor compilation problem with procsignal.h
185 Fixed bug when simulating projections and Trace == CONSOLE
186 Fixed scaling bug when performing redundant rotations around object
189 Improved compilation on RedHat 7
190 Changed some of ANSI C header files to C++ header files
191 Removed README.RedHat7
194 Added documentation for --geometry setting
195 Added README.RedHat7 document
198 Fixed bug in generation of binary PGM files
199 Fixed MPI compilation bug in phm2pj.cpp
200 Inverted y-axis output for pj2if (bug alert from Ian Kay)
203 Additions to man pages (Ian Kay)
204 Fix problem with reading of ASCII phantom files (Ian Kay)
207 Fixed syntax error in fftw configuration
208 Slight modifications to support gcc v2.9.6
211 Version 2.0.0 released!
212 ctsim: Added Window menu to Main frame
213 ctsim: Disabled not support reconstruction method
214 Fixed obscure bug in sys_error
215 Fixed compilation in mingw environment not present
216 Fixed compilation in non-graphical environments
219 ctsim: Added animation of reconstruction
220 ctsim: Added saving of dialog parameters for Projection & Reconstruction
221 ctsim: Added progress dialog for rasterization of phantom
222 ctsim: used setpriority to set lower priority
223 ctsim: fixed pReconstruct not being deleted causing scaling problem
224 ctsim: fixed projection animation dialog buttons
227 ctsim: Added projection graph to animation of projection collection
228 ctsim: Added single stepping to projection collection animation
229 ctsim: improved File/Properties display for projection files
230 ctsim: Added progress dialog for reconstructions
231 ctsim: Added file labels for projection and reconstruction images
232 ctsim: Made File/Properties bring up modal dialogs
233 Added reconstruction for Equilinear and Equiangular geometries
234 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
235 Separated reconstruction into Reconstructor class
236 Fixed center of detector adjustment for even number of detectors
237 Added --enable-static to generate statically linked programs
240 ctsim: Added animation of projection collection processs
241 ctsim: Added Auto Scaling for image windows
242 ctsim: Change menus from "windowing" to "display scaling"
243 Added FieldOfView and FocalLength ratio parameters to projection collection
244 Added FocalLength & FieldOfView fields to projection data files
245 Added Projection collection for Equilinear and Equiangular geometries
246 Changed name of Rowland Phantom to correct name of Shepp-Logan
247 Fixed bug in backprojection selection
250 Added RCS Id strings to executable files
251 Added RPM Spec file for RPM package creation
252 Added loading of ASCII phanthom definitions from files
253 Fixed compilation for non-SGP architectures
254 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
255 Added Filter-Generation option to reconstruction to allow direct or
256 inverse_fourier construction of filters
257 Added median to statistics and to auto-windowing
260 Added line color support to SGP
264 Finished support for dmallocxx library
265 Fixed bug in SignalFilter::convertFilterMethodNameToID()
266 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
267 G2 windows and well as WXWindows.
268 ctsim program: "Create Phantom" now shows phantom object
269 Fixed row-plot bug in if-2
270 Reworked EZPlot's multiple plot operation
273 ctsim program: improved initial size and scroll area for image
275 ctsim program: added rasterization parameters, projections parameters,
276 and reconstruction parameters dialogs
277 Moved char[] static definition from header files to c++ files
278 Completely reorganized option processing in classes to improve
279 expandability and to assist ctsim graphical user interface.
282 ctsim program: Added dialog to set minimum/maximum display levels
283 Started ctsim.tex document file
286 Fixed compiler warnings at -Wall level
287 Began work on CTSim program to be graphical front-end of all functions
288 Moved current src/*.cpp to tools/*.cpp
289 Made CTSim graphical front-end's home to be src/
292 Added highly optimized backprojection method idiff3
293 Moved comparative stats to if-2 program from ifinfo
294 Fixed image display in if2img using G2 library
295 Added column-plot and row-plot options to if-2
296 Added autoselection of analytic/calculated spatial responses to SignalFilter
297 Added frequency-based preinterpolation to SignalFilter and idiff3
298 backprojection method. Currently, this technique is still under
299 development and debugging
300 Moved graphic file writing to ImageFile class from if2img program
303 Cleaned up SignalFilter class
304 Added zeropad option to pjrec
305 Added zeropad options to html and cgi files
306 Added fourier_table and rfttw filter methods
307 Added FFTW routines to use real/half-complex transformations
310 Updated trace level processing
311 Added trace level to SignalFilter
312 Fixed magnitude vs. real output bug in FFT/Fourier filter
315 Fixed const issue with ImageFileArray
316 Fixed Array2dFile::labelsCopy()
317 Added copy constructor and assignment for Array2dFileLabel class
318 Added Timer to if-2.cpp and ifinfo.cpp
319 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
320 Added option processing for filter-method for pjrec to choose
321 between convolution, dft, & fft filtering
322 Fixed format string for EZPlot so axis labels now print
323 Added support for FFTW library
326 Rewrote Array2dFile class to be non-templated
327 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
328 Rewrote Array2dFileLabel class to make members private, added access routines
329 Removed timedate.cpp in favor of standard C library time/date functions
330 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
331 Added signature tag and creation date/time to projection files
334 Standardized string option processing by classes. All classes use character strings
335 to select options rather than numeric constants. Added fail() and failMessage()
336 methods to verify that objects are created correctly by character strings.
337 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
338 Rewrote ImageFile class
339 Started support for dmallocxx library, not finished
340 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
341 Updated ifinfo to show comparative statistics
342 Added printLabels() to Array2dFile class
343 Added printStatistics() to ImageFile class
346 Moved conversion filter name/id to Filter class
347 Moved conversion backprojection name/id to Backproj class
348 Added MPI broadcasting of strings
351 Merged proj_reconstr into class Projections
352 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
353 Code cleanup in projections.cpp
354 Moved conversion of phantom names/id to Phantom class
357 Converted projection files to C++ library with frnetorderstream
358 Converted image files to C++ library with frnetorderstream
359 Converted filter and convolution to object-oriented code
360 Changed default image file to float from double -- Changable in imagefile.h
361 Optimized image file writing on little-endian architectures
362 Updated README and INSTALL
365 Reorganized source files
366 MPI bug fixed to phm2pj.cpp
369 Reorganized include files
370 Fixed const pointers in strfuncs
373 Renamed directories, moved source files, combined source files
374 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
378 Skip versions to make version 2.0 the first fully C++ version
379 Renamed Raysums to Projections throughout files
380 Renamed Detector to Scanner
381 Converted Scanner and Projecions to full object-oriented
384 Converted Phantom and PhantomElements to Object-Oriented
385 Converted Detector to Object-Oriented
388 Improved Integer backprojection method
389 Fixed nearest neighbor to be truly nearest neighbor
390 Made linear interpolation more integer arithmetic -> speed improvement
391 Finished converting all C files to C++
392 Converted all use of malloc/free to C++ new/delete
393 Began object-oriented conversion of Phantom and Projection structures
396 Converted MPI data structures to C++ object
397 Made ImageFile directly inherit from Array2dFile
400 First C++ conversions
401 Portable IF (image file) format implemented with objects (SDF removed)
402 - Now all data files are cross-platform compatible
403 Converted from MPI to MPI++
404 Converted backprojection to object-oriented
405 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
408 Simpilifed endian handling
411 Added support for 64-bit (IA64) CPU
412 Removed broken B-spline interpolation
413 Added support for cygwin platform under Windows 2000
414 Added support for 16-bit PNG graphics
417 Added compile-time configuration of endian order
420 Modified the raysum file format to be platform independent
423 Added Microsoft VC compatibility
424 Cleaned up compilation warnings in libgraph
427 Continued conversion to ANSI C
428 Removed old CRT routines
431 Renamed pictures to phantoms, objects to phantom elements
432 Continued code cleanup
435 More code cleanup with reorganizing libraries
436 Added --log and --exp to sdf-1
437 Allowed negative numbers for window levels in CGI interface
440 Continued code cleanup
444 Better documented, coded raysum in-memory on on-disk options
447 Cleaned out library that wasn't being used by CTSim
448 Modified ctsim.cgi to read in configuration file ctsim.conf
451 First open source distribution for GNU/Linux
454 Converted to GNU/Linux
455 added MPI support via LAM library
458 Developed under MS-DOS and IBM EGA graphics