1 3.0.2 - Released 2/20/01
3 * scanner.cpp: Fixed bug when number of detectors was even.
5 * ctsim: Improved error handling when trying to convert
6 divergent projections into polar form.
8 3.0.1 - Released 2/19/01
10 * ctsim: Fixed dialog box for reconstruction so that
11 rotation angle setting will stay fixed in-between use
14 * syserror: Fixed display bug for trace messages
16 * ctsim: MSVC optimization bug work-around, compiler
19 3.0.0 - Released 2/19/01
21 * ctsim: Massive update/fix to online help and print manual.
23 * ctsim: Added context-sensitive help to dialog boxes
25 * ctsim: Reformated all dialog boxes, much nicer now.
27 * ctsim: Improved accelerator key handling
29 * global: Added Hanning filter.
31 * global: Improved default parameters to that all defaults give
34 3.0.0beta1 - Released 2/11/01
36 * ctsim: Added most-recently-used files to File menu with
37 registry storage between executions.
39 * ctsim: Hides arcane features unless enabled by Preferences dialog
41 * ctsim: Added MDI interface for Windows version and made it default for Windows.
43 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
45 * ctsim: Added graphical About box
47 * ctsim: Escape key now removes cursor lines from image file view
49 * ctsim: Added Revert to ImageFile menu
51 * ctsim: Added accelerator (hotkeys) to frames
53 * ctsim: Online help added!
55 * backprojector: Added cubic interpolation
57 * ctsim: Added icons to Frames on X-Window and MS Windows versions
59 * ctsim: Fixed tick-label placement for plots on projection and
60 reconstruction dialogs.
62 * timer.h: Add use of _ftime when compiling on MSVC
64 * global: Projection files are not compatible with previous version
65 due to new scanner definitions.
67 * global: deleted concept of field-of-view and added
68 view ratio and scan ratio concepts.
70 * ctsim: Fixed crash on shutdown bug
72 * pjinfo: Fixed bug when doing --dump and not specifing --endview
74 * phm2pj: Fixed MPI bug with broadcasting of variables
76 * ctsimtext-lam: Changes for first version to compile under lam
79 3.0.0alpha5 - Released 1/12/00
81 * ctsim: Added EZPlotDialog, used by debugging plots in
84 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
85 bug in parsing command-line parameters.
87 * views.cpp: Fixed bug in copying of labels from images to
90 * syserror.cpp: fixed reporting for fatal errors
92 * projections.cpp: fixed MSVC failure with std:: namespace
94 * procsignal.cpp: fixed bug in equiangular reconstructions
95 for frequency/inverse-fourier filtering
97 3.0.0alpha4 - Released 1/09/01
99 * ctsim: Added reset to full-intensity scale menu item
101 * ctsim: Add conversion of projections to polar plot [Thanks to
102 Ian Kay for reference and math hints in polar bilinear scaling]
104 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
107 * ctsim: imagefile labels are now copied to plotfiles
109 * ctsim: Added more analyze menuitems
111 * ctsimtext: First version. All command-line tools are now accessed
112 through this master shell. Has both command-line and interactive
115 * ctsim: Fixed initialization of min/max bug for PlotFiles
117 * ezplot: Cleaned up y-tick label placement
119 * sgp: Added better support for projection/reconstruction animation
121 3.0.0alpha3 - Released 1/02/01
123 * ctsim: Added plotting of histograms
125 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
127 * ezplot.cpp: adjusted xtick label displays for better placement
129 3.0alpha2 - Released 1/02/01
131 * ctsim: All functions of command-line tools are now in graphical ctsim
133 * ctsim: added generation of filter images
135 * ctsim: Added 2-image math functions (mul, add, div, sub)
137 * ctsim: Added export of imagefiles to graphic file formats
139 * ctsim: Added support for scaling imagefiles in new sizes
141 * ctsim: Added ability to save standard phantom definitions as
142 text files suitable for reading.
144 * ctsim: Add labels for image transformations and display of labels
145 when performing properties of images.
147 * processsignal.cpp: Fixed "off by one" bug in
148 shuffleNaturalToFourierOrder when n is even. Moved functions to
151 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
152 image math functions to complex-valued math.
154 * phantom.cpp: Added ability to save phantom files as ASCII text.
156 3.0alpha1 - Released 12/29/00
158 * Added PlotFile class to system, used by if2 and ctsim for row
159 and column plots and comparison plots
161 * ctsim: Added image comparison statistics and image subtraction
163 * ctsim: Added plotting of rows & columns with y-axis scaling
165 * ctsim: Added row and column plot comparisons between two image
168 * ctsim: Added "Process" menu to image file display with math
169 functions. Added 2-dimensional inverse Fourier to math
170 functions. Added support for complex (real/imaginary) images.
172 * mathfuncs.cpp: Reworked statistics algorithm to share between
173 imagefile and plotfile classes.
175 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
176 nsamples > 2. Added generic mage math functions, moved from
177 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
180 * array2dfile.cpp: Added code to support complex (real/imaginary)
183 * if1: Updated to handle error conditions, such as sqrt of a
184 negative number. Converted to use new ImageFile math functions.
186 * if2: Updated to output plot files and use new ImageFile class
189 * if1: Updated to use new ImageFile class math functions
191 * ezplot: Reworked to better store colors/linestyles/symbols with
192 individual curves. Improved display of labels and ticks. Updated
193 to use POL class member variable. Updated to more C++ conventions.
195 * pol: converted to C++ class. Extracted HashTable to separate
198 * sgp: Added linestyle settings
201 First Microsoft Windows GUI version
202 Modifications for Microsoft Visual C++ compilation.
203 Improved pjinfo to output binary headers and view data, useful
204 when manually compiling phantoms that vary during projection
205 process. Thanks to Ian Kay for idea and code submission.
206 Improved sorting to find median in ImageFile::statistics
207 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
208 Changed reconstruction dialog to fix onto smaller screens
209 Fixed display of plotting in Projection views
210 Improved animation displays for Projections and Reconstructions
211 Changed code to explicitly use std:: namespace rather than
212 "namespace using std" statements
213 Fixed reconstruction scaling bug introduced in 2.0.6
214 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
217 Fixed minor compilation problem with procsignal.h
219 Fixed bug when simulating projections and Trace == CONSOLE
220 Fixed scaling bug when performing redundant rotations around object
223 Improved compilation on RedHat 7
224 Changed some of ANSI C header files to C++ header files
225 Removed README.RedHat7
228 Added documentation for --geometry setting
229 Added README.RedHat7 document
232 Fixed bug in generation of binary PGM files
233 Fixed MPI compilation bug in phm2pj.cpp
234 Inverted y-axis output for pj2if (bug alert from Ian Kay)
237 Additions to man pages (Ian Kay)
238 Fix problem with reading of ASCII phantom files (Ian Kay)
241 Fixed syntax error in fftw configuration
242 Slight modifications to support gcc v2.9.6
245 Version 2.0.0 released!
246 ctsim: Added Window menu to Main frame
247 ctsim: Disabled not support reconstruction method
248 Fixed obscure bug in sys_error
249 Fixed compilation in mingw environment not present
250 Fixed compilation in non-graphical environments
253 ctsim: Added animation of reconstruction
254 ctsim: Added saving of dialog parameters for Projection & Reconstruction
255 ctsim: Added progress dialog for rasterization of phantom
256 ctsim: used setpriority to set lower priority
257 ctsim: fixed pReconstruct not being deleted causing scaling problem
258 ctsim: fixed projection animation dialog buttons
261 ctsim: Added projection graph to animation of projection collection
262 ctsim: Added single stepping to projection collection animation
263 ctsim: improved File/Properties display for projection files
264 ctsim: Added progress dialog for reconstructions
265 ctsim: Added file labels for projection and reconstruction images
266 ctsim: Made File/Properties bring up modal dialogs
267 Added reconstruction for Equilinear and Equiangular geometries
268 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
269 Separated reconstruction into Reconstructor class
270 Fixed center of detector adjustment for even number of detectors
271 Added --enable-static to generate statically linked programs
274 ctsim: Added animation of projection collection processs
275 ctsim: Added Auto Scaling for image windows
276 ctsim: Change menus from "windowing" to "display scaling"
277 Added FieldOfView and FocalLength ratio parameters to projection collection
278 Added FocalLength & FieldOfView fields to projection data files
279 Added Projection collection for Equilinear and Equiangular geometries
280 Changed name of Rowland Phantom to correct name of Shepp-Logan
281 Fixed bug in backprojection selection
284 Added RCS Id strings to executable files
285 Added RPM Spec file for RPM package creation
286 Added loading of ASCII phanthom definitions from files
287 Fixed compilation for non-SGP architectures
288 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
289 Added Filter-Generation option to reconstruction to allow direct or
290 inverse_fourier construction of filters
291 Added median to statistics and to auto-windowing
294 Added line color support to SGP
298 Finished support for dmallocxx library
299 Fixed bug in SignalFilter::convertFilterMethodNameToID()
300 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
301 G2 windows and well as WXWindows.
302 ctsim program: "Create Phantom" now shows phantom object
303 Fixed row-plot bug in if-2
304 Reworked EZPlot's multiple plot operation
307 ctsim program: improved initial size and scroll area for image
309 ctsim program: added rasterization parameters, projections parameters,
310 and reconstruction parameters dialogs
311 Moved char[] static definition from header files to c++ files
312 Completely reorganized option processing in classes to improve
313 expandability and to assist ctsim graphical user interface.
316 ctsim program: Added dialog to set minimum/maximum display levels
317 Started ctsim.tex document file
320 Fixed compiler warnings at -Wall level
321 Began work on CTSim program to be graphical front-end of all functions
322 Moved current src/*.cpp to tools/*.cpp
323 Made CTSim graphical front-end's home to be src/
326 Added highly optimized backprojection method idiff3
327 Moved comparative stats to if-2 program from ifinfo
328 Fixed image display in if2img using G2 library
329 Added column-plot and row-plot options to if-2
330 Added autoselection of analytic/calculated spatial responses to SignalFilter
331 Added frequency-based preinterpolation to SignalFilter and idiff3
332 backprojection method. Currently, this technique is still under
333 development and debugging
334 Moved graphic file writing to ImageFile class from if2img program
337 Cleaned up SignalFilter class
338 Added zeropad option to pjrec
339 Added zeropad options to html and cgi files
340 Added fourier_table and rfttw filter methods
341 Added FFTW routines to use real/half-complex transformations
344 Updated trace level processing
345 Added trace level to SignalFilter
346 Fixed magnitude vs. real output bug in FFT/Fourier filter
349 Fixed const issue with ImageFileArray
350 Fixed Array2dFile::labelsCopy()
351 Added copy constructor and assignment for Array2dFileLabel class
352 Added Timer to if-2.cpp and ifinfo.cpp
353 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
354 Added option processing for filter-method for pjrec to choose
355 between convolution, dft, & fft filtering
356 Fixed format string for EZPlot so axis labels now print
357 Added support for FFTW library
360 Rewrote Array2dFile class to be non-templated
361 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
362 Rewrote Array2dFileLabel class to make members private, added access routines
363 Removed timedate.cpp in favor of standard C library time/date functions
364 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
365 Added signature tag and creation date/time to projection files
368 Standardized string option processing by classes. All classes use character strings
369 to select options rather than numeric constants. Added fail() and failMessage()
370 methods to verify that objects are created correctly by character strings.
371 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
372 Rewrote ImageFile class
373 Started support for dmallocxx library, not finished
374 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
375 Updated ifinfo to show comparative statistics
376 Added printLabels() to Array2dFile class
377 Added printStatistics() to ImageFile class
380 Moved conversion filter name/id to Filter class
381 Moved conversion backprojection name/id to Backproj class
382 Added MPI broadcasting of strings
385 Merged proj_reconstr into class Projections
386 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
387 Code cleanup in projections.cpp
388 Moved conversion of phantom names/id to Phantom class
391 Converted projection files to C++ library with frnetorderstream
392 Converted image files to C++ library with frnetorderstream
393 Converted filter and convolution to object-oriented code
394 Changed default image file to float from double -- Changable in imagefile.h
395 Optimized image file writing on little-endian architectures
396 Updated README and INSTALL
399 Reorganized source files
400 MPI bug fixed to phm2pj.cpp
403 Reorganized include files
404 Fixed const pointers in strfuncs
407 Renamed directories, moved source files, combined source files
408 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
412 Skip versions to make version 2.0 the first fully C++ version
413 Renamed Raysums to Projections throughout files
414 Renamed Detector to Scanner
415 Converted Scanner and Projecions to full object-oriented
418 Converted Phantom and PhantomElements to Object-Oriented
419 Converted Detector to Object-Oriented
422 Improved Integer backprojection method
423 Fixed nearest neighbor to be truly nearest neighbor
424 Made linear interpolation more integer arithmetic -> speed improvement
425 Finished converting all C files to C++
426 Converted all use of malloc/free to C++ new/delete
427 Began object-oriented conversion of Phantom and Projection structures
430 Converted MPI data structures to C++ object
431 Made ImageFile directly inherit from Array2dFile
434 First C++ conversions
435 Portable IF (image file) format implemented with objects (SDF removed)
436 - Now all data files are cross-platform compatible
437 Converted from MPI to MPI++
438 Converted backprojection to object-oriented
439 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
442 Simpilifed endian handling
445 Added support for 64-bit (IA64) CPU
446 Removed broken B-spline interpolation
447 Added support for cygwin platform under Windows 2000
448 Added support for 16-bit PNG graphics
451 Added compile-time configuration of endian order
454 Modified the raysum file format to be platform independent
457 Added Microsoft VC compatibility
458 Cleaned up compilation warnings in libgraph
461 Continued conversion to ANSI C
462 Removed old CRT routines
465 Renamed pictures to phantoms, objects to phantom elements
466 Continued code cleanup
469 More code cleanup with reorganizing libraries
470 Added --log and --exp to sdf-1
471 Allowed negative numbers for window levels in CGI interface
474 Continued code cleanup
478 Better documented, coded raysum in-memory on on-disk options
481 Cleaned out library that wasn't being used by CTSim
482 Modified ctsim.cgi to read in configuration file ctsim.conf
485 First open source distribution for GNU/Linux
488 Converted to GNU/Linux
489 added MPI support via LAM library
492 Developed under MS-DOS and IBM EGA graphics