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 * ctsim: Improved accelerator key handling
11 * global: Added Hanning filter.
13 * global: Improved default parameters to that all defaults give
16 3.0.0beta1 - Released 2/11/01
18 * ctsim: Added most-recently-used files to File menu with
19 registry storage between executions.
21 * ctsim: Hides arcane features unless enabled by Preferences dialog
23 * ctsim: Added MDI interface for Windows version and made it default for Windows.
25 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
27 * ctsim: Added graphical About box
29 * ctsim: Escape key now removes cursor lines from image file view
31 * ctsim: Added Revert to ImageFile menu
33 * ctsim: Added accelerator (hotkeys) to frames
35 * ctsim: Online help added!
37 * backprojector: Added cubic interpolation
39 * ctsim: Added icons to Frames on X-Window and MS Windows versions
41 * ctsim: Fixed tick-label placement for plots on projection and
42 reconstruction dialogs.
44 * timer.h: Add use of _ftime when compiling on MSVC
46 * global: Projection files are not compatible with previous version
47 due to new scanner definitions.
49 * global: deleted concept of field-of-view and added
50 view ratio and scan ratio concepts.
52 * ctsim: Fixed crash on shutdown bug
54 * pjinfo: Fixed bug when doing --dump and not specifing --endview
56 * phm2pj: Fixed MPI bug with broadcasting of variables
58 * ctsimtext-lam: Changes for first version to compile under lam
61 3.0.0alpha5 - Released 1/12/00
63 * ctsim: Added EZPlotDialog, used by debugging plots in
66 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
67 bug in parsing command-line parameters.
69 * views.cpp: Fixed bug in copying of labels from images to
72 * syserror.cpp: fixed reporting for fatal errors
74 * projections.cpp: fixed MSVC failure with std:: namespace
76 * procsignal.cpp: fixed bug in equiangular reconstructions
77 for frequency/inverse-fourier filtering
79 3.0.0alpha4 - Released 1/09/01
81 * ctsim: Added reset to full-intensity scale menu item
83 * ctsim: Add conversion of projections to polar plot [Thanks to
84 Ian Kay for reference and math hints in polar bilinear scaling]
86 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
89 * ctsim: imagefile labels are now copied to plotfiles
91 * ctsim: Added more analyze menuitems
93 * ctsimtext: First version. All command-line tools are now accessed
94 through this master shell. Has both command-line and interactive
97 * ctsim: Fixed initialization of min/max bug for PlotFiles
99 * ezplot: Cleaned up y-tick label placement
101 * sgp: Added better support for projection/reconstruction animation
103 3.0.0alpha3 - Released 1/02/01
105 * ctsim: Added plotting of histograms
107 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
109 * ezplot.cpp: adjusted xtick label displays for better placement
111 3.0alpha2 - Released 1/02/01
113 * ctsim: All functions of command-line tools are now in graphical ctsim
115 * ctsim: added generation of filter images
117 * ctsim: Added 2-image math functions (mul, add, div, sub)
119 * ctsim: Added export of imagefiles to graphic file formats
121 * ctsim: Added support for scaling imagefiles in new sizes
123 * ctsim: Added ability to save standard phantom definitions as
124 text files suitable for reading.
126 * ctsim: Add labels for image transformations and display of labels
127 when performing properties of images.
129 * processsignal.cpp: Fixed "off by one" bug in
130 shuffleNaturalToFourierOrder when n is even. Moved functions to
133 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
134 image math functions to complex-valued math.
136 * phantom.cpp: Added ability to save phantom files as ASCII text.
138 3.0alpha1 - Released 12/29/00
140 * Added PlotFile class to system, used by if2 and ctsim for row
141 and column plots and comparison plots
143 * ctsim: Added image comparison statistics and image subtraction
145 * ctsim: Added plotting of rows & columns with y-axis scaling
147 * ctsim: Added row and column plot comparisons between two image
150 * ctsim: Added "Process" menu to image file display with math
151 functions. Added 2-dimensional inverse Fourier to math
152 functions. Added support for complex (real/imaginary) images.
154 * mathfuncs.cpp: Reworked statistics algorithm to share between
155 imagefile and plotfile classes.
157 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
158 nsamples > 2. Added generic mage math functions, moved from
159 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
162 * array2dfile.cpp: Added code to support complex (real/imaginary)
165 * if1: Updated to handle error conditions, such as sqrt of a
166 negative number. Converted to use new ImageFile math functions.
168 * if2: Updated to output plot files and use new ImageFile class
171 * if1: Updated to use new ImageFile class math functions
173 * ezplot: Reworked to better store colors/linestyles/symbols with
174 individual curves. Improved display of labels and ticks. Updated
175 to use POL class member variable. Updated to more C++ conventions.
177 * pol: converted to C++ class. Extracted HashTable to separate
180 * sgp: Added linestyle settings
183 First Microsoft Windows GUI version
184 Modifications for Microsoft Visual C++ compilation.
185 Improved pjinfo to output binary headers and view data, useful
186 when manually compiling phantoms that vary during projection
187 process. Thanks to Ian Kay for idea and code submission.
188 Improved sorting to find median in ImageFile::statistics
189 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
190 Changed reconstruction dialog to fix onto smaller screens
191 Fixed display of plotting in Projection views
192 Improved animation displays for Projections and Reconstructions
193 Changed code to explicitly use std:: namespace rather than
194 "namespace using std" statements
195 Fixed reconstruction scaling bug introduced in 2.0.6
196 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
199 Fixed minor compilation problem with procsignal.h
201 Fixed bug when simulating projections and Trace == CONSOLE
202 Fixed scaling bug when performing redundant rotations around object
205 Improved compilation on RedHat 7
206 Changed some of ANSI C header files to C++ header files
207 Removed README.RedHat7
210 Added documentation for --geometry setting
211 Added README.RedHat7 document
214 Fixed bug in generation of binary PGM files
215 Fixed MPI compilation bug in phm2pj.cpp
216 Inverted y-axis output for pj2if (bug alert from Ian Kay)
219 Additions to man pages (Ian Kay)
220 Fix problem with reading of ASCII phantom files (Ian Kay)
223 Fixed syntax error in fftw configuration
224 Slight modifications to support gcc v2.9.6
227 Version 2.0.0 released!
228 ctsim: Added Window menu to Main frame
229 ctsim: Disabled not support reconstruction method
230 Fixed obscure bug in sys_error
231 Fixed compilation in mingw environment not present
232 Fixed compilation in non-graphical environments
235 ctsim: Added animation of reconstruction
236 ctsim: Added saving of dialog parameters for Projection & Reconstruction
237 ctsim: Added progress dialog for rasterization of phantom
238 ctsim: used setpriority to set lower priority
239 ctsim: fixed pReconstruct not being deleted causing scaling problem
240 ctsim: fixed projection animation dialog buttons
243 ctsim: Added projection graph to animation of projection collection
244 ctsim: Added single stepping to projection collection animation
245 ctsim: improved File/Properties display for projection files
246 ctsim: Added progress dialog for reconstructions
247 ctsim: Added file labels for projection and reconstruction images
248 ctsim: Made File/Properties bring up modal dialogs
249 Added reconstruction for Equilinear and Equiangular geometries
250 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
251 Separated reconstruction into Reconstructor class
252 Fixed center of detector adjustment for even number of detectors
253 Added --enable-static to generate statically linked programs
256 ctsim: Added animation of projection collection processs
257 ctsim: Added Auto Scaling for image windows
258 ctsim: Change menus from "windowing" to "display scaling"
259 Added FieldOfView and FocalLength ratio parameters to projection collection
260 Added FocalLength & FieldOfView fields to projection data files
261 Added Projection collection for Equilinear and Equiangular geometries
262 Changed name of Rowland Phantom to correct name of Shepp-Logan
263 Fixed bug in backprojection selection
266 Added RCS Id strings to executable files
267 Added RPM Spec file for RPM package creation
268 Added loading of ASCII phanthom definitions from files
269 Fixed compilation for non-SGP architectures
270 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
271 Added Filter-Generation option to reconstruction to allow direct or
272 inverse_fourier construction of filters
273 Added median to statistics and to auto-windowing
276 Added line color support to SGP
280 Finished support for dmallocxx library
281 Fixed bug in SignalFilter::convertFilterMethodNameToID()
282 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
283 G2 windows and well as WXWindows.
284 ctsim program: "Create Phantom" now shows phantom object
285 Fixed row-plot bug in if-2
286 Reworked EZPlot's multiple plot operation
289 ctsim program: improved initial size and scroll area for image
291 ctsim program: added rasterization parameters, projections parameters,
292 and reconstruction parameters dialogs
293 Moved char[] static definition from header files to c++ files
294 Completely reorganized option processing in classes to improve
295 expandability and to assist ctsim graphical user interface.
298 ctsim program: Added dialog to set minimum/maximum display levels
299 Started ctsim.tex document file
302 Fixed compiler warnings at -Wall level
303 Began work on CTSim program to be graphical front-end of all functions
304 Moved current src/*.cpp to tools/*.cpp
305 Made CTSim graphical front-end's home to be src/
308 Added highly optimized backprojection method idiff3
309 Moved comparative stats to if-2 program from ifinfo
310 Fixed image display in if2img using G2 library
311 Added column-plot and row-plot options to if-2
312 Added autoselection of analytic/calculated spatial responses to SignalFilter
313 Added frequency-based preinterpolation to SignalFilter and idiff3
314 backprojection method. Currently, this technique is still under
315 development and debugging
316 Moved graphic file writing to ImageFile class from if2img program
319 Cleaned up SignalFilter class
320 Added zeropad option to pjrec
321 Added zeropad options to html and cgi files
322 Added fourier_table and rfttw filter methods
323 Added FFTW routines to use real/half-complex transformations
326 Updated trace level processing
327 Added trace level to SignalFilter
328 Fixed magnitude vs. real output bug in FFT/Fourier filter
331 Fixed const issue with ImageFileArray
332 Fixed Array2dFile::labelsCopy()
333 Added copy constructor and assignment for Array2dFileLabel class
334 Added Timer to if-2.cpp and ifinfo.cpp
335 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
336 Added option processing for filter-method for pjrec to choose
337 between convolution, dft, & fft filtering
338 Fixed format string for EZPlot so axis labels now print
339 Added support for FFTW library
342 Rewrote Array2dFile class to be non-templated
343 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
344 Rewrote Array2dFileLabel class to make members private, added access routines
345 Removed timedate.cpp in favor of standard C library time/date functions
346 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
347 Added signature tag and creation date/time to projection files
350 Standardized string option processing by classes. All classes use character strings
351 to select options rather than numeric constants. Added fail() and failMessage()
352 methods to verify that objects are created correctly by character strings.
353 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
354 Rewrote ImageFile class
355 Started support for dmallocxx library, not finished
356 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
357 Updated ifinfo to show comparative statistics
358 Added printLabels() to Array2dFile class
359 Added printStatistics() to ImageFile class
362 Moved conversion filter name/id to Filter class
363 Moved conversion backprojection name/id to Backproj class
364 Added MPI broadcasting of strings
367 Merged proj_reconstr into class Projections
368 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
369 Code cleanup in projections.cpp
370 Moved conversion of phantom names/id to Phantom class
373 Converted projection files to C++ library with frnetorderstream
374 Converted image files to C++ library with frnetorderstream
375 Converted filter and convolution to object-oriented code
376 Changed default image file to float from double -- Changable in imagefile.h
377 Optimized image file writing on little-endian architectures
378 Updated README and INSTALL
381 Reorganized source files
382 MPI bug fixed to phm2pj.cpp
385 Reorganized include files
386 Fixed const pointers in strfuncs
389 Renamed directories, moved source files, combined source files
390 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
394 Skip versions to make version 2.0 the first fully C++ version
395 Renamed Raysums to Projections throughout files
396 Renamed Detector to Scanner
397 Converted Scanner and Projecions to full object-oriented
400 Converted Phantom and PhantomElements to Object-Oriented
401 Converted Detector to Object-Oriented
404 Improved Integer backprojection method
405 Fixed nearest neighbor to be truly nearest neighbor
406 Made linear interpolation more integer arithmetic -> speed improvement
407 Finished converting all C files to C++
408 Converted all use of malloc/free to C++ new/delete
409 Began object-oriented conversion of Phantom and Projection structures
412 Converted MPI data structures to C++ object
413 Made ImageFile directly inherit from Array2dFile
416 First C++ conversions
417 Portable IF (image file) format implemented with objects (SDF removed)
418 - Now all data files are cross-platform compatible
419 Converted from MPI to MPI++
420 Converted backprojection to object-oriented
421 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
424 Simpilifed endian handling
427 Added support for 64-bit (IA64) CPU
428 Removed broken B-spline interpolation
429 Added support for cygwin platform under Windows 2000
430 Added support for 16-bit PNG graphics
433 Added compile-time configuration of endian order
436 Modified the raysum file format to be platform independent
439 Added Microsoft VC compatibility
440 Cleaned up compilation warnings in libgraph
443 Continued conversion to ANSI C
444 Removed old CRT routines
447 Renamed pictures to phantoms, objects to phantom elements
448 Continued code cleanup
451 More code cleanup with reorganizing libraries
452 Added --log and --exp to sdf-1
453 Allowed negative numbers for window levels in CGI interface
456 Continued code cleanup
460 Better documented, coded raysum in-memory on on-disk options
463 Cleaned out library that wasn't being used by CTSim
464 Modified ctsim.cgi to read in configuration file ctsim.conf
467 First open source distribution for GNU/Linux
470 Converted to GNU/Linux
471 added MPI support via LAM library
474 Developed under MS-DOS and IBM EGA graphics