1 3.0.0beta2 - Release 2//01
3 * ctsim: Massive update/fix to online help, new manual
5 * ctsim: Reformated dialog boxes, much nicer now
7 3.0.0beta1 - Released 2/11/01
9 * ctsim: Added most-recently-used files to File menu with
10 registry storage between executions.
12 * ctsim: Hides arcane features unless enabled by Preferences dialog
14 * ctsim: Added MDI interface for Windows version and made it default for Windows.
16 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
18 * ctsim: Added graphical About box
20 * ctsim: Escape key now removes cursor lines from image file view
22 * ctsim: Added Revert to ImageFile menu
24 * ctsim: Added accelerator (hotkeys) to frames
26 * ctsim: Online help added!
28 * backprojector: Added cubic interpolation
30 * ctsim: Added icons to Frames on X-Window and MS Windows versions
32 * ctsim: Fixed tick-label placement for plots on projection and
33 reconstruction dialogs.
35 * timer.h: Add use of _ftime when compiling on MSVC
37 * global: Projection files are not compatible with previous version
38 due to new scanner definitions.
40 * global: deleted concept of field-of-view and added
41 view ratio and scan ratio concepts.
43 * ctsim: Fixed crash on shutdown bug
45 * pjinfo: Fixed bug when doing --dump and not specifing --endview
47 * phm2pj: Fixed MPI bug with broadcasting of variables
49 * ctsimtext-lam: Changes for first version to compile under lam
52 3.0.0alpha5 - Released 1/12/00
54 * ctsim: Added EZPlotDialog, used by debugging plots in
57 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
58 bug in parsing command-line parameters.
60 * views.cpp: Fixed bug in copying of labels from images to
63 * syserror.cpp: fixed reporting for fatal errors
65 * projections.cpp: fixed MSVC failure with std:: namespace
67 * procsignal.cpp: fixed bug in equiangular reconstructions
68 for frequency/inverse-fourier filtering
70 3.0.0alpha4 - Released 1/09/01
72 * ctsim: Added reset to full-intensity scale menu item
74 * ctsim: Add conversion of projections to polar plot [Thanks to
75 Ian Kay for reference and math hints in polar bilinear scaling]
77 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
80 * ctsim: imagefile labels are now copied to plotfiles
82 * ctsim: Added more analyze menuitems
84 * ctsimtext: First version. All command-line tools are now accessed
85 through this master shell. Has both command-line and interactive
88 * ctsim: Fixed initialization of min/max bug for PlotFiles
90 * ezplot: Cleaned up y-tick label placement
92 * sgp: Added better support for projection/reconstruction animation
94 3.0.0alpha3 - Released 1/02/01
96 * ctsim: Added plotting of histograms
98 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
100 * ezplot.cpp: adjusted xtick label displays for better placement
102 3.0alpha2 - Released 1/02/01
104 * ctsim: All functions of command-line tools are now in graphical ctsim
106 * ctsim: added generation of filter images
108 * ctsim: Added 2-image math functions (mul, add, div, sub)
110 * ctsim: Added export of imagefiles to graphic file formats
112 * ctsim: Added support for scaling imagefiles in new sizes
114 * ctsim: Added ability to save standard phantom definitions as
115 text files suitable for reading.
117 * ctsim: Add labels for image transformations and display of labels
118 when performing properties of images.
120 * processsignal.cpp: Fixed "off by one" bug in
121 shuffleNaturalToFourierOrder when n is even. Moved functions to
124 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
125 image math functions to complex-valued math.
127 * phantom.cpp: Added ability to save phantom files as ASCII text.
129 3.0alpha1 - Released 12/29/00
131 * Added PlotFile class to system, used by if2 and ctsim for row
132 and column plots and comparison plots
134 * ctsim: Added image comparison statistics and image subtraction
136 * ctsim: Added plotting of rows & columns with y-axis scaling
138 * ctsim: Added row and column plot comparisons between two image
141 * ctsim: Added "Process" menu to image file display with math
142 functions. Added 2-dimensional inverse Fourier to math
143 functions. Added support for complex (real/imaginary) images.
145 * mathfuncs.cpp: Reworked statistics algorithm to share between
146 imagefile and plotfile classes.
148 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
149 nsamples > 2. Added generic mage math functions, moved from
150 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
153 * array2dfile.cpp: Added code to support complex (real/imaginary)
156 * if1: Updated to handle error conditions, such as sqrt of a
157 negative number. Converted to use new ImageFile math functions.
159 * if2: Updated to output plot files and use new ImageFile class
162 * if1: Updated to use new ImageFile class math functions
164 * ezplot: Reworked to better store colors/linestyles/symbols with
165 individual curves. Improved display of labels and ticks. Updated
166 to use POL class member variable. Updated to more C++ conventions.
168 * pol: converted to C++ class. Extracted HashTable to separate
171 * sgp: Added linestyle settings
174 First Microsoft Windows GUI version
175 Modifications for Microsoft Visual C++ compilation.
176 Improved pjinfo to output binary headers and view data, useful
177 when manually compiling phantoms that vary during projection
178 process. Thanks to Ian Kay for idea and code submission.
179 Improved sorting to find median in ImageFile::statistics
180 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
181 Changed reconstruction dialog to fix onto smaller screens
182 Fixed display of plotting in Projection views
183 Improved animation displays for Projections and Reconstructions
184 Changed code to explicitly use std:: namespace rather than
185 "namespace using std" statements
186 Fixed reconstruction scaling bug introduced in 2.0.6
187 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
190 Fixed minor compilation problem with procsignal.h
192 Fixed bug when simulating projections and Trace == CONSOLE
193 Fixed scaling bug when performing redundant rotations around object
196 Improved compilation on RedHat 7
197 Changed some of ANSI C header files to C++ header files
198 Removed README.RedHat7
201 Added documentation for --geometry setting
202 Added README.RedHat7 document
205 Fixed bug in generation of binary PGM files
206 Fixed MPI compilation bug in phm2pj.cpp
207 Inverted y-axis output for pj2if (bug alert from Ian Kay)
210 Additions to man pages (Ian Kay)
211 Fix problem with reading of ASCII phantom files (Ian Kay)
214 Fixed syntax error in fftw configuration
215 Slight modifications to support gcc v2.9.6
218 Version 2.0.0 released!
219 ctsim: Added Window menu to Main frame
220 ctsim: Disabled not support reconstruction method
221 Fixed obscure bug in sys_error
222 Fixed compilation in mingw environment not present
223 Fixed compilation in non-graphical environments
226 ctsim: Added animation of reconstruction
227 ctsim: Added saving of dialog parameters for Projection & Reconstruction
228 ctsim: Added progress dialog for rasterization of phantom
229 ctsim: used setpriority to set lower priority
230 ctsim: fixed pReconstruct not being deleted causing scaling problem
231 ctsim: fixed projection animation dialog buttons
234 ctsim: Added projection graph to animation of projection collection
235 ctsim: Added single stepping to projection collection animation
236 ctsim: improved File/Properties display for projection files
237 ctsim: Added progress dialog for reconstructions
238 ctsim: Added file labels for projection and reconstruction images
239 ctsim: Made File/Properties bring up modal dialogs
240 Added reconstruction for Equilinear and Equiangular geometries
241 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
242 Separated reconstruction into Reconstructor class
243 Fixed center of detector adjustment for even number of detectors
244 Added --enable-static to generate statically linked programs
247 ctsim: Added animation of projection collection processs
248 ctsim: Added Auto Scaling for image windows
249 ctsim: Change menus from "windowing" to "display scaling"
250 Added FieldOfView and FocalLength ratio parameters to projection collection
251 Added FocalLength & FieldOfView fields to projection data files
252 Added Projection collection for Equilinear and Equiangular geometries
253 Changed name of Rowland Phantom to correct name of Shepp-Logan
254 Fixed bug in backprojection selection
257 Added RCS Id strings to executable files
258 Added RPM Spec file for RPM package creation
259 Added loading of ASCII phanthom definitions from files
260 Fixed compilation for non-SGP architectures
261 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
262 Added Filter-Generation option to reconstruction to allow direct or
263 inverse_fourier construction of filters
264 Added median to statistics and to auto-windowing
267 Added line color support to SGP
271 Finished support for dmallocxx library
272 Fixed bug in SignalFilter::convertFilterMethodNameToID()
273 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
274 G2 windows and well as WXWindows.
275 ctsim program: "Create Phantom" now shows phantom object
276 Fixed row-plot bug in if-2
277 Reworked EZPlot's multiple plot operation
280 ctsim program: improved initial size and scroll area for image
282 ctsim program: added rasterization parameters, projections parameters,
283 and reconstruction parameters dialogs
284 Moved char[] static definition from header files to c++ files
285 Completely reorganized option processing in classes to improve
286 expandability and to assist ctsim graphical user interface.
289 ctsim program: Added dialog to set minimum/maximum display levels
290 Started ctsim.tex document file
293 Fixed compiler warnings at -Wall level
294 Began work on CTSim program to be graphical front-end of all functions
295 Moved current src/*.cpp to tools/*.cpp
296 Made CTSim graphical front-end's home to be src/
299 Added highly optimized backprojection method idiff3
300 Moved comparative stats to if-2 program from ifinfo
301 Fixed image display in if2img using G2 library
302 Added column-plot and row-plot options to if-2
303 Added autoselection of analytic/calculated spatial responses to SignalFilter
304 Added frequency-based preinterpolation to SignalFilter and idiff3
305 backprojection method. Currently, this technique is still under
306 development and debugging
307 Moved graphic file writing to ImageFile class from if2img program
310 Cleaned up SignalFilter class
311 Added zeropad option to pjrec
312 Added zeropad options to html and cgi files
313 Added fourier_table and rfttw filter methods
314 Added FFTW routines to use real/half-complex transformations
317 Updated trace level processing
318 Added trace level to SignalFilter
319 Fixed magnitude vs. real output bug in FFT/Fourier filter
322 Fixed const issue with ImageFileArray
323 Fixed Array2dFile::labelsCopy()
324 Added copy constructor and assignment for Array2dFileLabel class
325 Added Timer to if-2.cpp and ifinfo.cpp
326 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
327 Added option processing for filter-method for pjrec to choose
328 between convolution, dft, & fft filtering
329 Fixed format string for EZPlot so axis labels now print
330 Added support for FFTW library
333 Rewrote Array2dFile class to be non-templated
334 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
335 Rewrote Array2dFileLabel class to make members private, added access routines
336 Removed timedate.cpp in favor of standard C library time/date functions
337 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
338 Added signature tag and creation date/time to projection files
341 Standardized string option processing by classes. All classes use character strings
342 to select options rather than numeric constants. Added fail() and failMessage()
343 methods to verify that objects are created correctly by character strings.
344 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
345 Rewrote ImageFile class
346 Started support for dmallocxx library, not finished
347 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
348 Updated ifinfo to show comparative statistics
349 Added printLabels() to Array2dFile class
350 Added printStatistics() to ImageFile class
353 Moved conversion filter name/id to Filter class
354 Moved conversion backprojection name/id to Backproj class
355 Added MPI broadcasting of strings
358 Merged proj_reconstr into class Projections
359 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
360 Code cleanup in projections.cpp
361 Moved conversion of phantom names/id to Phantom class
364 Converted projection files to C++ library with frnetorderstream
365 Converted image files to C++ library with frnetorderstream
366 Converted filter and convolution to object-oriented code
367 Changed default image file to float from double -- Changable in imagefile.h
368 Optimized image file writing on little-endian architectures
369 Updated README and INSTALL
372 Reorganized source files
373 MPI bug fixed to phm2pj.cpp
376 Reorganized include files
377 Fixed const pointers in strfuncs
380 Renamed directories, moved source files, combined source files
381 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
385 Skip versions to make version 2.0 the first fully C++ version
386 Renamed Raysums to Projections throughout files
387 Renamed Detector to Scanner
388 Converted Scanner and Projecions to full object-oriented
391 Converted Phantom and PhantomElements to Object-Oriented
392 Converted Detector to Object-Oriented
395 Improved Integer backprojection method
396 Fixed nearest neighbor to be truly nearest neighbor
397 Made linear interpolation more integer arithmetic -> speed improvement
398 Finished converting all C files to C++
399 Converted all use of malloc/free to C++ new/delete
400 Began object-oriented conversion of Phantom and Projection structures
403 Converted MPI data structures to C++ object
404 Made ImageFile directly inherit from Array2dFile
407 First C++ conversions
408 Portable IF (image file) format implemented with objects (SDF removed)
409 - Now all data files are cross-platform compatible
410 Converted from MPI to MPI++
411 Converted backprojection to object-oriented
412 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
415 Simpilifed endian handling
418 Added support for 64-bit (IA64) CPU
419 Removed broken B-spline interpolation
420 Added support for cygwin platform under Windows 2000
421 Added support for 16-bit PNG graphics
424 Added compile-time configuration of endian order
427 Modified the raysum file format to be platform independent
430 Added Microsoft VC compatibility
431 Cleaned up compilation warnings in libgraph
434 Continued conversion to ANSI C
435 Removed old CRT routines
438 Renamed pictures to phantoms, objects to phantom elements
439 Continued code cleanup
442 More code cleanup with reorganizing libraries
443 Added --log and --exp to sdf-1
444 Allowed negative numbers for window levels in CGI interface
447 Continued code cleanup
451 Better documented, coded raysum in-memory on on-disk options
454 Cleaned out library that wasn't being used by CTSim
455 Modified ctsim.cgi to read in configuration file ctsim.conf
458 First open source distribution for GNU/Linux
461 Converted to GNU/Linux
462 added MPI support via LAM library
465 Developed under MS-DOS and IBM EGA graphics