1 3.0.0 - Release 2/19/01
3 * ctsim: Massive update/fix to online help and print manual.
5 * ctsim: Added context-sensitive help to dialog boxes
7 * ctsim: Reformated all dialog boxes, much nicer now.
9 * global: Added Hanning filter.
11 * global: Improved default parameters so that all defaults give
14 * ctsim: Improved accelerator key handling
16 * ctsim,pjrec: Changed rotation angle to be a fraction of
17 a circle rather than a multiple of pi.
19 3.0.0beta1 - Released 2/11/01
21 * ctsim: Added most-recently-used files to File menu with
22 registry storage between executions.
24 * ctsim: Hides arcane features unless enabled by Preferences dialog
26 * ctsim: Added MDI interface for Windows version and made it default for Windows.
28 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
30 * ctsim: Added graphical About box
32 * ctsim: Escape key now removes cursor lines from image file view
34 * ctsim: Added Revert to ImageFile menu
36 * ctsim: Added accelerator (hotkeys) to frames
38 * ctsim: Online help added!
40 * backprojector: Added cubic interpolation
42 * ctsim: Added icons to Frames on X-Window and MS Windows versions
44 * ctsim: Fixed tick-label placement for plots on projection and
45 reconstruction dialogs.
47 * timer.h: Add use of _ftime when compiling on MSVC
49 * global: Projection files are not compatible with previous version
50 due to new scanner definitions.
52 * global: deleted concept of field-of-view and added
53 view ratio and scan ratio concepts.
55 * ctsim: Fixed crash on shutdown bug
57 * pjinfo: Fixed bug when doing --dump and not specifing --endview
59 * phm2pj: Fixed MPI bug with broadcasting of variables
61 * ctsimtext-lam: Changes for first version to compile under lam
64 3.0.0alpha5 - Released 1/12/00
66 * ctsim: Added EZPlotDialog, used by debugging plots in
69 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
70 bug in parsing command-line parameters.
72 * views.cpp: Fixed bug in copying of labels from images to
75 * syserror.cpp: fixed reporting for fatal errors
77 * projections.cpp: fixed MSVC failure with std:: namespace
79 * procsignal.cpp: fixed bug in equiangular reconstructions
80 for frequency/inverse-fourier filtering
82 3.0.0alpha4 - Released 1/09/01
84 * ctsim: Added reset to full-intensity scale menu item
86 * ctsim: Add conversion of projections to polar plot [Thanks to
87 Ian Kay for reference and math hints in polar bilinear scaling]
89 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
92 * ctsim: imagefile labels are now copied to plotfiles
94 * ctsim: Added more analyze menuitems
96 * ctsimtext: First version. All command-line tools are now accessed
97 through this master shell. Has both command-line and interactive
100 * ctsim: Fixed initialization of min/max bug for PlotFiles
102 * ezplot: Cleaned up y-tick label placement
104 * sgp: Added better support for projection/reconstruction animation
106 3.0.0alpha3 - Released 1/02/01
108 * ctsim: Added plotting of histograms
110 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
112 * ezplot.cpp: adjusted xtick label displays for better placement
114 3.0alpha2 - Released 1/02/01
116 * ctsim: All functions of command-line tools are now in graphical ctsim
118 * ctsim: added generation of filter images
120 * ctsim: Added 2-image math functions (mul, add, div, sub)
122 * ctsim: Added export of imagefiles to graphic file formats
124 * ctsim: Added support for scaling imagefiles in new sizes
126 * ctsim: Added ability to save standard phantom definitions as
127 text files suitable for reading.
129 * ctsim: Add labels for image transformations and display of labels
130 when performing properties of images.
132 * processsignal.cpp: Fixed "off by one" bug in
133 shuffleNaturalToFourierOrder when n is even. Moved functions to
136 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
137 image math functions to complex-valued math.
139 * phantom.cpp: Added ability to save phantom files as ASCII text.
141 3.0alpha1 - Released 12/29/00
143 * Added PlotFile class to system, used by if2 and ctsim for row
144 and column plots and comparison plots
146 * ctsim: Added image comparison statistics and image subtraction
148 * ctsim: Added plotting of rows & columns with y-axis scaling
150 * ctsim: Added row and column plot comparisons between two image
153 * ctsim: Added "Process" menu to image file display with math
154 functions. Added 2-dimensional inverse Fourier to math
155 functions. Added support for complex (real/imaginary) images.
157 * mathfuncs.cpp: Reworked statistics algorithm to share between
158 imagefile and plotfile classes.
160 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
161 nsamples > 2. Added generic mage math functions, moved from
162 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
165 * array2dfile.cpp: Added code to support complex (real/imaginary)
168 * if1: Updated to handle error conditions, such as sqrt of a
169 negative number. Converted to use new ImageFile math functions.
171 * if2: Updated to output plot files and use new ImageFile class
174 * if1: Updated to use new ImageFile class math functions
176 * ezplot: Reworked to better store colors/linestyles/symbols with
177 individual curves. Improved display of labels and ticks. Updated
178 to use POL class member variable. Updated to more C++ conventions.
180 * pol: converted to C++ class. Extracted HashTable to separate
183 * sgp: Added linestyle settings
186 First Microsoft Windows GUI version
187 Modifications for Microsoft Visual C++ compilation.
188 Improved pjinfo to output binary headers and view data, useful
189 when manually compiling phantoms that vary during projection
190 process. Thanks to Ian Kay for idea and code submission.
191 Improved sorting to find median in ImageFile::statistics
192 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
193 Changed reconstruction dialog to fix onto smaller screens
194 Fixed display of plotting in Projection views
195 Improved animation displays for Projections and Reconstructions
196 Changed code to explicitly use std:: namespace rather than
197 "namespace using std" statements
198 Fixed reconstruction scaling bug introduced in 2.0.6
199 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
202 Fixed minor compilation problem with procsignal.h
204 Fixed bug when simulating projections and Trace == CONSOLE
205 Fixed scaling bug when performing redundant rotations around object
208 Improved compilation on RedHat 7
209 Changed some of ANSI C header files to C++ header files
210 Removed README.RedHat7
213 Added documentation for --geometry setting
214 Added README.RedHat7 document
217 Fixed bug in generation of binary PGM files
218 Fixed MPI compilation bug in phm2pj.cpp
219 Inverted y-axis output for pj2if (bug alert from Ian Kay)
222 Additions to man pages (Ian Kay)
223 Fix problem with reading of ASCII phantom files (Ian Kay)
226 Fixed syntax error in fftw configuration
227 Slight modifications to support gcc v2.9.6
230 Version 2.0.0 released!
231 ctsim: Added Window menu to Main frame
232 ctsim: Disabled not support reconstruction method
233 Fixed obscure bug in sys_error
234 Fixed compilation in mingw environment not present
235 Fixed compilation in non-graphical environments
238 ctsim: Added animation of reconstruction
239 ctsim: Added saving of dialog parameters for Projection & Reconstruction
240 ctsim: Added progress dialog for rasterization of phantom
241 ctsim: used setpriority to set lower priority
242 ctsim: fixed pReconstruct not being deleted causing scaling problem
243 ctsim: fixed projection animation dialog buttons
246 ctsim: Added projection graph to animation of projection collection
247 ctsim: Added single stepping to projection collection animation
248 ctsim: improved File/Properties display for projection files
249 ctsim: Added progress dialog for reconstructions
250 ctsim: Added file labels for projection and reconstruction images
251 ctsim: Made File/Properties bring up modal dialogs
252 Added reconstruction for Equilinear and Equiangular geometries
253 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
254 Separated reconstruction into Reconstructor class
255 Fixed center of detector adjustment for even number of detectors
256 Added --enable-static to generate statically linked programs
259 ctsim: Added animation of projection collection processs
260 ctsim: Added Auto Scaling for image windows
261 ctsim: Change menus from "windowing" to "display scaling"
262 Added FieldOfView and FocalLength ratio parameters to projection collection
263 Added FocalLength & FieldOfView fields to projection data files
264 Added Projection collection for Equilinear and Equiangular geometries
265 Changed name of Rowland Phantom to correct name of Shepp-Logan
266 Fixed bug in backprojection selection
269 Added RCS Id strings to executable files
270 Added RPM Spec file for RPM package creation
271 Added loading of ASCII phanthom definitions from files
272 Fixed compilation for non-SGP architectures
273 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
274 Added Filter-Generation option to reconstruction to allow direct or
275 inverse_fourier construction of filters
276 Added median to statistics and to auto-windowing
279 Added line color support to SGP
283 Finished support for dmallocxx library
284 Fixed bug in SignalFilter::convertFilterMethodNameToID()
285 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
286 G2 windows and well as WXWindows.
287 ctsim program: "Create Phantom" now shows phantom object
288 Fixed row-plot bug in if-2
289 Reworked EZPlot's multiple plot operation
292 ctsim program: improved initial size and scroll area for image
294 ctsim program: added rasterization parameters, projections parameters,
295 and reconstruction parameters dialogs
296 Moved char[] static definition from header files to c++ files
297 Completely reorganized option processing in classes to improve
298 expandability and to assist ctsim graphical user interface.
301 ctsim program: Added dialog to set minimum/maximum display levels
302 Started ctsim.tex document file
305 Fixed compiler warnings at -Wall level
306 Began work on CTSim program to be graphical front-end of all functions
307 Moved current src/*.cpp to tools/*.cpp
308 Made CTSim graphical front-end's home to be src/
311 Added highly optimized backprojection method idiff3
312 Moved comparative stats to if-2 program from ifinfo
313 Fixed image display in if2img using G2 library
314 Added column-plot and row-plot options to if-2
315 Added autoselection of analytic/calculated spatial responses to SignalFilter
316 Added frequency-based preinterpolation to SignalFilter and idiff3
317 backprojection method. Currently, this technique is still under
318 development and debugging
319 Moved graphic file writing to ImageFile class from if2img program
322 Cleaned up SignalFilter class
323 Added zeropad option to pjrec
324 Added zeropad options to html and cgi files
325 Added fourier_table and rfttw filter methods
326 Added FFTW routines to use real/half-complex transformations
329 Updated trace level processing
330 Added trace level to SignalFilter
331 Fixed magnitude vs. real output bug in FFT/Fourier filter
334 Fixed const issue with ImageFileArray
335 Fixed Array2dFile::labelsCopy()
336 Added copy constructor and assignment for Array2dFileLabel class
337 Added Timer to if-2.cpp and ifinfo.cpp
338 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
339 Added option processing for filter-method for pjrec to choose
340 between convolution, dft, & fft filtering
341 Fixed format string for EZPlot so axis labels now print
342 Added support for FFTW library
345 Rewrote Array2dFile class to be non-templated
346 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
347 Rewrote Array2dFileLabel class to make members private, added access routines
348 Removed timedate.cpp in favor of standard C library time/date functions
349 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
350 Added signature tag and creation date/time to projection files
353 Standardized string option processing by classes. All classes use character strings
354 to select options rather than numeric constants. Added fail() and failMessage()
355 methods to verify that objects are created correctly by character strings.
356 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
357 Rewrote ImageFile class
358 Started support for dmallocxx library, not finished
359 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
360 Updated ifinfo to show comparative statistics
361 Added printLabels() to Array2dFile class
362 Added printStatistics() to ImageFile class
365 Moved conversion filter name/id to Filter class
366 Moved conversion backprojection name/id to Backproj class
367 Added MPI broadcasting of strings
370 Merged proj_reconstr into class Projections
371 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
372 Code cleanup in projections.cpp
373 Moved conversion of phantom names/id to Phantom class
376 Converted projection files to C++ library with frnetorderstream
377 Converted image files to C++ library with frnetorderstream
378 Converted filter and convolution to object-oriented code
379 Changed default image file to float from double -- Changable in imagefile.h
380 Optimized image file writing on little-endian architectures
381 Updated README and INSTALL
384 Reorganized source files
385 MPI bug fixed to phm2pj.cpp
388 Reorganized include files
389 Fixed const pointers in strfuncs
392 Renamed directories, moved source files, combined source files
393 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
397 Skip versions to make version 2.0 the first fully C++ version
398 Renamed Raysums to Projections throughout files
399 Renamed Detector to Scanner
400 Converted Scanner and Projecions to full object-oriented
403 Converted Phantom and PhantomElements to Object-Oriented
404 Converted Detector to Object-Oriented
407 Improved Integer backprojection method
408 Fixed nearest neighbor to be truly nearest neighbor
409 Made linear interpolation more integer arithmetic -> speed improvement
410 Finished converting all C files to C++
411 Converted all use of malloc/free to C++ new/delete
412 Began object-oriented conversion of Phantom and Projection structures
415 Converted MPI data structures to C++ object
416 Made ImageFile directly inherit from Array2dFile
419 First C++ conversions
420 Portable IF (image file) format implemented with objects (SDF removed)
421 - Now all data files are cross-platform compatible
422 Converted from MPI to MPI++
423 Converted backprojection to object-oriented
424 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
427 Simpilifed endian handling
430 Added support for 64-bit (IA64) CPU
431 Removed broken B-spline interpolation
432 Added support for cygwin platform under Windows 2000
433 Added support for 16-bit PNG graphics
436 Added compile-time configuration of endian order
439 Modified the raysum file format to be platform independent
442 Added Microsoft VC compatibility
443 Cleaned up compilation warnings in libgraph
446 Continued conversion to ANSI C
447 Removed old CRT routines
450 Renamed pictures to phantoms, objects to phantom elements
451 Continued code cleanup
454 More code cleanup with reorganizing libraries
455 Added --log and --exp to sdf-1
456 Allowed negative numbers for window levels in CGI interface
459 Continued code cleanup
463 Better documented, coded raysum in-memory on on-disk options
466 Cleaned out library that wasn't being used by CTSim
467 Modified ctsim.cgi to read in configuration file ctsim.conf
470 First open source distribution for GNU/Linux
473 Converted to GNU/Linux
474 added MPI support via LAM library
477 Developed under MS-DOS and IBM EGA graphics