3 * global: Projection files are not compatible with previous version
4 due to new scanner definitions.
6 * global: deleted concept of field-of-view and added
7 view ratio and scan ratio concepts.
9 * ctsim: Added most-recently-used files to File menu with
10 registry storage between executions.
12 * ctsim: Added MDI interface for Windows version and made it default for Windows.
14 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
16 * ctsim: Added graphical About box
18 * ctsim: Escape key now removes cursor lines from image file view
20 * ctsim: Added Revert to ImageFile menu
22 * ctsim: Added accelerator (hotkeys) to frames
24 * ctsim: Online help added as well as HTML help
26 * ctsim: Added icons to Frames on X-Window and MS Windows versions
28 * ctsim: Fixed tick-label placement for plots on projection and
29 reconstruction dialogs.
31 * timer.h: Add use of _ftime when compiling on MSVC
33 * ctsim: Fixed crash on shutdown bug
35 * pjinfo: Fixed bug when doing --dump and not specifing --endview
37 * phm2pj: Fixed MPI bug with broadcasting of variables
39 * ctsimtext-lam: Changes for first version to compile under lam
41 3.0.0alpha5 - Released 1/12/00
43 * ctsim: Added EZPlotDialog, used by debugging plots in
46 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
47 bug in parsing command-line parameters.
49 * views.cpp: Fixed bug in copying of labels from images to
52 * syserror.cpp: fixed reporting for fatal errors
54 * projections.cpp: fixed MSVC failure with std:: namespace
56 * procsignal.cpp: fixed bug in equiangular reconstructions
57 for frequency/inverse-fourier filtering
59 3.0.0alpha4 - Released 1/09/01
61 * ctsim: Added reset to full-intensity scale menu item
63 * ctsim: Add conversion of projections to polar plot [Thanks to
64 Ian Kay for reference and math hints in polar bilinear scaling]
66 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
69 * ctsim: imagefile labels are now copied to plotfiles
71 * ctsim: Added more analyze menuitems
73 * ctsimtext: First version. All command-line tools are now accessed
74 through this master shell. Has both command-line and interactive
77 * ctsim: Fixed initialization of min/max bug for PlotFiles
79 * ezplot: Cleaned up y-tick label placement
81 * sgp: Added better support for projection/reconstruction animation
83 3.0.0alpha3 - Released 1/02/01
85 * ctsim: Added plotting of histograms
87 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
89 * ezplot.cpp: adjusted xtick label displays for better placement
91 3.0alpha2 - Released 1/02/01
93 * ctsim: All functions of command-line tools are now in graphical ctsim
95 * ctsim: added generation of filter images
97 * ctsim: Added 2-image math functions (mul, add, div, sub)
99 * ctsim: Added export of imagefiles to graphic file formats
101 * ctsim: Added support for scaling imagefiles in new sizes
103 * ctsim: Added ability to save standard phantom definitions as
104 text files suitable for reading.
106 * ctsim: Add labels for image transformations and display of labels
107 when performing properties of images.
109 * processsignal.cpp: Fixed "off by one" bug in
110 shuffleNaturalToFourierOrder when n is even. Moved functions to
113 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
114 image math functions to complex-valued math.
116 * phantom.cpp: Added ability to save phantom files as ASCII text.
118 3.0alpha1 - Released 12/29/00
120 * Added PlotFile class to system, used by if2 and ctsim for row
121 and column plots and comparison plots
123 * ctsim: Added image comparison statistics and image subtraction
125 * ctsim: Added plotting of rows & columns with y-axis scaling
127 * ctsim: Added row and column plot comparisons between two image
130 * ctsim: Added "Process" menu to image file display with math
131 functions. Added 2-dimensional inverse Fourier to math
132 functions. Added support for complex (real/imaginary) images.
134 * mathfuncs.cpp: Reworked statistics algorithm to share between
135 imagefile and plotfile classes.
137 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
138 nsamples > 2. Added generic mage math functions, moved from
139 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
142 * array2dfile.cpp: Added code to support complex (real/imaginary)
145 * if1: Updated to handle error conditions, such as sqrt of a
146 negative number. Converted to use new ImageFile math functions.
148 * if2: Updated to output plot files and use new ImageFile class
151 * if1: Updated to use new ImageFile class math functions
153 * ezplot: Reworked to better store colors/linestyles/symbols with
154 individual curves. Improved display of labels and ticks. Updated
155 to use POL class member variable. Updated to more C++ conventions.
157 * pol: converted to C++ class. Extracted HashTable to separate
160 * sgp: Added linestyle settings
163 First Microsoft Windows GUI version
164 Modifications for Microsoft Visual C++ compilation.
165 Improved pjinfo to output binary headers and view data, useful
166 when manually compiling phantoms that vary during projection
167 process. Thanks to Ian Kay for idea and code submission.
168 Improved sorting to find median in ImageFile::statistics
169 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
170 Changed reconstruction dialog to fix onto smaller screens
171 Fixed display of plotting in Projection views
172 Improved animation displays for Projections and Reconstructions
173 Changed code to explicitly use std:: namespace rather than
174 "namespace using std" statements
175 Fixed reconstruction scaling bug introduced in 2.0.6
176 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
179 Fixed minor compilation problem with procsignal.h
181 Fixed bug when simulating projections and Trace == CONSOLE
182 Fixed scaling bug when performing redundant rotations around object
185 Improved compilation on RedHat 7
186 Changed some of ANSI C header files to C++ header files
187 Removed README.RedHat7
190 Added documentation for --geometry setting
191 Added README.RedHat7 document
194 Fixed bug in generation of binary PGM files
195 Fixed MPI compilation bug in phm2pj.cpp
196 Inverted y-axis output for pj2if (bug alert from Ian Kay)
199 Additions to man pages (Ian Kay)
200 Fix problem with reading of ASCII phantom files (Ian Kay)
203 Fixed syntax error in fftw configuration
204 Slight modifications to support gcc v2.9.6
207 Version 2.0.0 released!
208 ctsim: Added Window menu to Main frame
209 ctsim: Disabled not support reconstruction method
210 Fixed obscure bug in sys_error
211 Fixed compilation in mingw environment not present
212 Fixed compilation in non-graphical environments
215 ctsim: Added animation of reconstruction
216 ctsim: Added saving of dialog parameters for Projection & Reconstruction
217 ctsim: Added progress dialog for rasterization of phantom
218 ctsim: used setpriority to set lower priority
219 ctsim: fixed pReconstruct not being deleted causing scaling problem
220 ctsim: fixed projection animation dialog buttons
223 ctsim: Added projection graph to animation of projection collection
224 ctsim: Added single stepping to projection collection animation
225 ctsim: improved File/Properties display for projection files
226 ctsim: Added progress dialog for reconstructions
227 ctsim: Added file labels for projection and reconstruction images
228 ctsim: Made File/Properties bring up modal dialogs
229 Added reconstruction for Equilinear and Equiangular geometries
230 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
231 Separated reconstruction into Reconstructor class
232 Fixed center of detector adjustment for even number of detectors
233 Added --enable-static to generate statically linked programs
236 ctsim: Added animation of projection collection processs
237 ctsim: Added Auto Scaling for image windows
238 ctsim: Change menus from "windowing" to "display scaling"
239 Added FieldOfView and FocalLength ratio parameters to projection collection
240 Added FocalLength & FieldOfView fields to projection data files
241 Added Projection collection for Equilinear and Equiangular geometries
242 Changed name of Rowland Phantom to correct name of Shepp-Logan
243 Fixed bug in backprojection selection
246 Added RCS Id strings to executable files
247 Added RPM Spec file for RPM package creation
248 Added loading of ASCII phanthom definitions from files
249 Fixed compilation for non-SGP architectures
250 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
251 Added Filter-Generation option to reconstruction to allow direct or
252 inverse_fourier construction of filters
253 Added median to statistics and to auto-windowing
256 Added line color support to SGP
260 Finished support for dmallocxx library
261 Fixed bug in SignalFilter::convertFilterMethodNameToID()
262 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
263 G2 windows and well as WXWindows.
264 ctsim program: "Create Phantom" now shows phantom object
265 Fixed row-plot bug in if-2
266 Reworked EZPlot's multiple plot operation
269 ctsim program: improved initial size and scroll area for image
271 ctsim program: added rasterization parameters, projections parameters,
272 and reconstruction parameters dialogs
273 Moved char[] static definition from header files to c++ files
274 Completely reorganized option processing in classes to improve
275 expandability and to assist ctsim graphical user interface.
278 ctsim program: Added dialog to set minimum/maximum display levels
279 Started ctsim.tex document file
282 Fixed compiler warnings at -Wall level
283 Began work on CTSim program to be graphical front-end of all functions
284 Moved current src/*.cpp to tools/*.cpp
285 Made CTSim graphical front-end's home to be src/
288 Added highly optimized backprojection method idiff3
289 Moved comparative stats to if-2 program from ifinfo
290 Fixed image display in if2img using G2 library
291 Added column-plot and row-plot options to if-2
292 Added autoselection of analytic/calculated spatial responses to SignalFilter
293 Added frequency-based preinterpolation to SignalFilter and idiff3
294 backprojection method. Currently, this technique is still under
295 development and debugging
296 Moved graphic file writing to ImageFile class from if2img program
299 Cleaned up SignalFilter class
300 Added zeropad option to pjrec
301 Added zeropad options to html and cgi files
302 Added fourier_table and rfttw filter methods
303 Added FFTW routines to use real/half-complex transformations
306 Updated trace level processing
307 Added trace level to SignalFilter
308 Fixed magnitude vs. real output bug in FFT/Fourier filter
311 Fixed const issue with ImageFileArray
312 Fixed Array2dFile::labelsCopy()
313 Added copy constructor and assignment for Array2dFileLabel class
314 Added Timer to if-2.cpp and ifinfo.cpp
315 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
316 Added option processing for filter-method for pjrec to choose
317 between convolution, dft, & fft filtering
318 Fixed format string for EZPlot so axis labels now print
319 Added support for FFTW library
322 Rewrote Array2dFile class to be non-templated
323 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
324 Rewrote Array2dFileLabel class to make members private, added access routines
325 Removed timedate.cpp in favor of standard C library time/date functions
326 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
327 Added signature tag and creation date/time to projection files
330 Standardized string option processing by classes. All classes use character strings
331 to select options rather than numeric constants. Added fail() and failMessage()
332 methods to verify that objects are created correctly by character strings.
333 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
334 Rewrote ImageFile class
335 Started support for dmallocxx library, not finished
336 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
337 Updated ifinfo to show comparative statistics
338 Added printLabels() to Array2dFile class
339 Added printStatistics() to ImageFile class
342 Moved conversion filter name/id to Filter class
343 Moved conversion backprojection name/id to Backproj class
344 Added MPI broadcasting of strings
347 Merged proj_reconstr into class Projections
348 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
349 Code cleanup in projections.cpp
350 Moved conversion of phantom names/id to Phantom class
353 Converted projection files to C++ library with frnetorderstream
354 Converted image files to C++ library with frnetorderstream
355 Converted filter and convolution to object-oriented code
356 Changed default image file to float from double -- Changable in imagefile.h
357 Optimized image file writing on little-endian architectures
358 Updated README and INSTALL
361 Reorganized source files
362 MPI bug fixed to phm2pj.cpp
365 Reorganized include files
366 Fixed const pointers in strfuncs
369 Renamed directories, moved source files, combined source files
370 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
374 Skip versions to make version 2.0 the first fully C++ version
375 Renamed Raysums to Projections throughout files
376 Renamed Detector to Scanner
377 Converted Scanner and Projecions to full object-oriented
380 Converted Phantom and PhantomElements to Object-Oriented
381 Converted Detector to Object-Oriented
384 Improved Integer backprojection method
385 Fixed nearest neighbor to be truly nearest neighbor
386 Made linear interpolation more integer arithmetic -> speed improvement
387 Finished converting all C files to C++
388 Converted all use of malloc/free to C++ new/delete
389 Began object-oriented conversion of Phantom and Projection structures
392 Converted MPI data structures to C++ object
393 Made ImageFile directly inherit from Array2dFile
396 First C++ conversions
397 Portable IF (image file) format implemented with objects (SDF removed)
398 - Now all data files are cross-platform compatible
399 Converted from MPI to MPI++
400 Converted backprojection to object-oriented
401 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
404 Simpilifed endian handling
407 Added support for 64-bit (IA64) CPU
408 Removed broken B-spline interpolation
409 Added support for cygwin platform under Windows 2000
410 Added support for 16-bit PNG graphics
413 Added compile-time configuration of endian order
416 Modified the raysum file format to be platform independent
419 Added Microsoft VC compatibility
420 Cleaned up compilation warnings in libgraph
423 Continued conversion to ANSI C
424 Removed old CRT routines
427 Renamed pictures to phantoms, objects to phantom elements
428 Continued code cleanup
431 More code cleanup with reorganizing libraries
432 Added --log and --exp to sdf-1
433 Allowed negative numbers for window levels in CGI interface
436 Continued code cleanup
440 Better documented, coded raysum in-memory on on-disk options
443 Cleaned out library that wasn't being used by CTSim
444 Modified ctsim.cgi to read in configuration file ctsim.conf
447 First open source distribution for GNU/Linux
450 Converted to GNU/Linux
451 added MPI support via LAM library
454 Developed under MS-DOS and IBM EGA graphics