1 3.0.3 - Released 2/20/01
3 * ctsim: Fixed core dump on Linux with OpenGL
5 * ctsim: Fixed context-sensitive help on Linux
7 * ctsim: Fixed About box on Linux
9 3.0.2 - Released 2/20/01
11 * scanner.cpp: Fixed bug when number of detectors was even.
13 * ctsim: Improved error handling when trying to convert
14 divergent projections into polar form.
16 3.0.1 - Released 2/19/01
18 * ctsim: Fixed dialog box for reconstruction so that
19 rotation angle setting will stay fixed in-between use
22 * syserror: Fixed display bug for trace messages
24 * ctsim: MSVC optimization bug work-around, compiler
27 3.0.0 - Released 2/19/01
29 * ctsim: Massive update/fix to online help and print manual.
31 * ctsim: Added context-sensitive help to dialog boxes
33 * ctsim: Reformated all dialog boxes, much nicer now.
35 * ctsim: Improved accelerator key handling
37 * global: Added Hanning filter.
39 * global: Improved default parameters to that all defaults give
42 3.0.0beta1 - Released 2/11/01
44 * ctsim: Added most-recently-used files to File menu with
45 registry storage between executions.
47 * ctsim: Hides arcane features unless enabled by Preferences dialog
49 * ctsim: Added MDI interface for Windows version and made it default for Windows.
51 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
53 * ctsim: Added graphical About box
55 * ctsim: Escape key now removes cursor lines from image file view
57 * ctsim: Added Revert to ImageFile menu
59 * ctsim: Added accelerator (hotkeys) to frames
61 * ctsim: Online help added!
63 * backprojector: Added cubic interpolation
65 * ctsim: Added icons to Frames on X-Window and MS Windows versions
67 * ctsim: Fixed tick-label placement for plots on projection and
68 reconstruction dialogs.
70 * timer.h: Add use of _ftime when compiling on MSVC
72 * global: Projection files are not compatible with previous version
73 due to new scanner definitions.
75 * global: deleted concept of field-of-view and added
76 view ratio and scan ratio concepts.
78 * ctsim: Fixed crash on shutdown bug
80 * pjinfo: Fixed bug when doing --dump and not specifing --endview
82 * phm2pj: Fixed MPI bug with broadcasting of variables
84 * ctsimtext-lam: Changes for first version to compile under lam
87 3.0.0alpha5 - Released 1/12/00
89 * ctsim: Added EZPlotDialog, used by debugging plots in
92 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
93 bug in parsing command-line parameters.
95 * views.cpp: Fixed bug in copying of labels from images to
98 * syserror.cpp: fixed reporting for fatal errors
100 * projections.cpp: fixed MSVC failure with std:: namespace
102 * procsignal.cpp: fixed bug in equiangular reconstructions
103 for frequency/inverse-fourier filtering
105 3.0.0alpha4 - Released 1/09/01
107 * ctsim: Added reset to full-intensity scale menu item
109 * ctsim: Add conversion of projections to polar plot [Thanks to
110 Ian Kay for reference and math hints in polar bilinear scaling]
112 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
115 * ctsim: imagefile labels are now copied to plotfiles
117 * ctsim: Added more analyze menuitems
119 * ctsimtext: First version. All command-line tools are now accessed
120 through this master shell. Has both command-line and interactive
123 * ctsim: Fixed initialization of min/max bug for PlotFiles
125 * ezplot: Cleaned up y-tick label placement
127 * sgp: Added better support for projection/reconstruction animation
129 3.0.0alpha3 - Released 1/02/01
131 * ctsim: Added plotting of histograms
133 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
135 * ezplot.cpp: adjusted xtick label displays for better placement
137 3.0alpha2 - Released 1/02/01
139 * ctsim: All functions of command-line tools are now in graphical ctsim
141 * ctsim: added generation of filter images
143 * ctsim: Added 2-image math functions (mul, add, div, sub)
145 * ctsim: Added export of imagefiles to graphic file formats
147 * ctsim: Added support for scaling imagefiles in new sizes
149 * ctsim: Added ability to save standard phantom definitions as
150 text files suitable for reading.
152 * ctsim: Add labels for image transformations and display of labels
153 when performing properties of images.
155 * processsignal.cpp: Fixed "off by one" bug in
156 shuffleNaturalToFourierOrder when n is even. Moved functions to
159 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
160 image math functions to complex-valued math.
162 * phantom.cpp: Added ability to save phantom files as ASCII text.
164 3.0alpha1 - Released 12/29/00
166 * Added PlotFile class to system, used by if2 and ctsim for row
167 and column plots and comparison plots
169 * ctsim: Added image comparison statistics and image subtraction
171 * ctsim: Added plotting of rows & columns with y-axis scaling
173 * ctsim: Added row and column plot comparisons between two image
176 * ctsim: Added "Process" menu to image file display with math
177 functions. Added 2-dimensional inverse Fourier to math
178 functions. Added support for complex (real/imaginary) images.
180 * mathfuncs.cpp: Reworked statistics algorithm to share between
181 imagefile and plotfile classes.
183 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
184 nsamples > 2. Added generic mage math functions, moved from
185 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
188 * array2dfile.cpp: Added code to support complex (real/imaginary)
191 * if1: Updated to handle error conditions, such as sqrt of a
192 negative number. Converted to use new ImageFile math functions.
194 * if2: Updated to output plot files and use new ImageFile class
197 * if1: Updated to use new ImageFile class math functions
199 * ezplot: Reworked to better store colors/linestyles/symbols with
200 individual curves. Improved display of labels and ticks. Updated
201 to use POL class member variable. Updated to more C++ conventions.
203 * pol: converted to C++ class. Extracted HashTable to separate
206 * sgp: Added linestyle settings
209 First Microsoft Windows GUI version
210 Modifications for Microsoft Visual C++ compilation.
211 Improved pjinfo to output binary headers and view data, useful
212 when manually compiling phantoms that vary during projection
213 process. Thanks to Ian Kay for idea and code submission.
214 Improved sorting to find median in ImageFile::statistics
215 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
216 Changed reconstruction dialog to fix onto smaller screens
217 Fixed display of plotting in Projection views
218 Improved animation displays for Projections and Reconstructions
219 Changed code to explicitly use std:: namespace rather than
220 "namespace using std" statements
221 Fixed reconstruction scaling bug introduced in 2.0.6
222 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
225 Fixed minor compilation problem with procsignal.h
227 Fixed bug when simulating projections and Trace == CONSOLE
228 Fixed scaling bug when performing redundant rotations around object
231 Improved compilation on RedHat 7
232 Changed some of ANSI C header files to C++ header files
233 Removed README.RedHat7
236 Added documentation for --geometry setting
237 Added README.RedHat7 document
240 Fixed bug in generation of binary PGM files
241 Fixed MPI compilation bug in phm2pj.cpp
242 Inverted y-axis output for pj2if (bug alert from Ian Kay)
245 Additions to man pages (Ian Kay)
246 Fix problem with reading of ASCII phantom files (Ian Kay)
249 Fixed syntax error in fftw configuration
250 Slight modifications to support gcc v2.9.6
253 Version 2.0.0 released!
254 ctsim: Added Window menu to Main frame
255 ctsim: Disabled not support reconstruction method
256 Fixed obscure bug in sys_error
257 Fixed compilation in mingw environment not present
258 Fixed compilation in non-graphical environments
261 ctsim: Added animation of reconstruction
262 ctsim: Added saving of dialog parameters for Projection & Reconstruction
263 ctsim: Added progress dialog for rasterization of phantom
264 ctsim: used setpriority to set lower priority
265 ctsim: fixed pReconstruct not being deleted causing scaling problem
266 ctsim: fixed projection animation dialog buttons
269 ctsim: Added projection graph to animation of projection collection
270 ctsim: Added single stepping to projection collection animation
271 ctsim: improved File/Properties display for projection files
272 ctsim: Added progress dialog for reconstructions
273 ctsim: Added file labels for projection and reconstruction images
274 ctsim: Made File/Properties bring up modal dialogs
275 Added reconstruction for Equilinear and Equiangular geometries
276 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
277 Separated reconstruction into Reconstructor class
278 Fixed center of detector adjustment for even number of detectors
279 Added --enable-static to generate statically linked programs
282 ctsim: Added animation of projection collection processs
283 ctsim: Added Auto Scaling for image windows
284 ctsim: Change menus from "windowing" to "display scaling"
285 Added FieldOfView and FocalLength ratio parameters to projection collection
286 Added FocalLength & FieldOfView fields to projection data files
287 Added Projection collection for Equilinear and Equiangular geometries
288 Changed name of Rowland Phantom to correct name of Shepp-Logan
289 Fixed bug in backprojection selection
292 Added RCS Id strings to executable files
293 Added RPM Spec file for RPM package creation
294 Added loading of ASCII phanthom definitions from files
295 Fixed compilation for non-SGP architectures
296 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
297 Added Filter-Generation option to reconstruction to allow direct or
298 inverse_fourier construction of filters
299 Added median to statistics and to auto-windowing
302 Added line color support to SGP
306 Finished support for dmallocxx library
307 Fixed bug in SignalFilter::convertFilterMethodNameToID()
308 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
309 G2 windows and well as WXWindows.
310 ctsim program: "Create Phantom" now shows phantom object
311 Fixed row-plot bug in if-2
312 Reworked EZPlot's multiple plot operation
315 ctsim program: improved initial size and scroll area for image
317 ctsim program: added rasterization parameters, projections parameters,
318 and reconstruction parameters dialogs
319 Moved char[] static definition from header files to c++ files
320 Completely reorganized option processing in classes to improve
321 expandability and to assist ctsim graphical user interface.
324 ctsim program: Added dialog to set minimum/maximum display levels
325 Started ctsim.tex document file
328 Fixed compiler warnings at -Wall level
329 Began work on CTSim program to be graphical front-end of all functions
330 Moved current src/*.cpp to tools/*.cpp
331 Made CTSim graphical front-end's home to be src/
334 Added highly optimized backprojection method idiff3
335 Moved comparative stats to if-2 program from ifinfo
336 Fixed image display in if2img using G2 library
337 Added column-plot and row-plot options to if-2
338 Added autoselection of analytic/calculated spatial responses to SignalFilter
339 Added frequency-based preinterpolation to SignalFilter and idiff3
340 backprojection method. Currently, this technique is still under
341 development and debugging
342 Moved graphic file writing to ImageFile class from if2img program
345 Cleaned up SignalFilter class
346 Added zeropad option to pjrec
347 Added zeropad options to html and cgi files
348 Added fourier_table and rfttw filter methods
349 Added FFTW routines to use real/half-complex transformations
352 Updated trace level processing
353 Added trace level to SignalFilter
354 Fixed magnitude vs. real output bug in FFT/Fourier filter
357 Fixed const issue with ImageFileArray
358 Fixed Array2dFile::labelsCopy()
359 Added copy constructor and assignment for Array2dFileLabel class
360 Added Timer to if-2.cpp and ifinfo.cpp
361 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
362 Added option processing for filter-method for pjrec to choose
363 between convolution, dft, & fft filtering
364 Fixed format string for EZPlot so axis labels now print
365 Added support for FFTW library
368 Rewrote Array2dFile class to be non-templated
369 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
370 Rewrote Array2dFileLabel class to make members private, added access routines
371 Removed timedate.cpp in favor of standard C library time/date functions
372 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
373 Added signature tag and creation date/time to projection files
376 Standardized string option processing by classes. All classes use character strings
377 to select options rather than numeric constants. Added fail() and failMessage()
378 methods to verify that objects are created correctly by character strings.
379 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
380 Rewrote ImageFile class
381 Started support for dmallocxx library, not finished
382 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
383 Updated ifinfo to show comparative statistics
384 Added printLabels() to Array2dFile class
385 Added printStatistics() to ImageFile class
388 Moved conversion filter name/id to Filter class
389 Moved conversion backprojection name/id to Backproj class
390 Added MPI broadcasting of strings
393 Merged proj_reconstr into class Projections
394 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
395 Code cleanup in projections.cpp
396 Moved conversion of phantom names/id to Phantom class
399 Converted projection files to C++ library with frnetorderstream
400 Converted image files to C++ library with frnetorderstream
401 Converted filter and convolution to object-oriented code
402 Changed default image file to float from double -- Changable in imagefile.h
403 Optimized image file writing on little-endian architectures
404 Updated README and INSTALL
407 Reorganized source files
408 MPI bug fixed to phm2pj.cpp
411 Reorganized include files
412 Fixed const pointers in strfuncs
415 Renamed directories, moved source files, combined source files
416 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
420 Skip versions to make version 2.0 the first fully C++ version
421 Renamed Raysums to Projections throughout files
422 Renamed Detector to Scanner
423 Converted Scanner and Projecions to full object-oriented
426 Converted Phantom and PhantomElements to Object-Oriented
427 Converted Detector to Object-Oriented
430 Improved Integer backprojection method
431 Fixed nearest neighbor to be truly nearest neighbor
432 Made linear interpolation more integer arithmetic -> speed improvement
433 Finished converting all C files to C++
434 Converted all use of malloc/free to C++ new/delete
435 Began object-oriented conversion of Phantom and Projection structures
438 Converted MPI data structures to C++ object
439 Made ImageFile directly inherit from Array2dFile
442 First C++ conversions
443 Portable IF (image file) format implemented with objects (SDF removed)
444 - Now all data files are cross-platform compatible
445 Converted from MPI to MPI++
446 Converted backprojection to object-oriented
447 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
450 Simpilifed endian handling
453 Added support for 64-bit (IA64) CPU
454 Removed broken B-spline interpolation
455 Added support for cygwin platform under Windows 2000
456 Added support for 16-bit PNG graphics
459 Added compile-time configuration of endian order
462 Modified the raysum file format to be platform independent
465 Added Microsoft VC compatibility
466 Cleaned up compilation warnings in libgraph
469 Continued conversion to ANSI C
470 Removed old CRT routines
473 Renamed pictures to phantoms, objects to phantom elements
474 Continued code cleanup
477 More code cleanup with reorganizing libraries
478 Added --log and --exp to sdf-1
479 Allowed negative numbers for window levels in CGI interface
482 Continued code cleanup
486 Better documented, coded raysum in-memory on on-disk options
489 Cleaned out library that wasn't being used by CTSim
490 Modified ctsim.cgi to read in configuration file ctsim.conf
493 First open source distribution for GNU/Linux
496 Converted to GNU/Linux
497 added MPI support via LAM library
500 Developed under MS-DOS and IBM EGA graphics