1 3.0.0beta2 - Release 2//01
3 * ctsim: Massive update/fix to online help, new manual
6 3.0.0beta1 - Released 2/11/01
8 * ctsim: Added most-recently-used files to File menu with
9 registry storage between executions.
11 * ctsim: Hides arcane features unless enabled by Preferences dialog
13 * ctsim: Added MDI interface for Windows version and made it default for Windows.
15 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
17 * ctsim: Added graphical About box
19 * ctsim: Escape key now removes cursor lines from image file view
21 * ctsim: Added Revert to ImageFile menu
23 * ctsim: Added accelerator (hotkeys) to frames
25 * ctsim: Online help added!
27 * backprojector: Added cubic interpolation
29 * ctsim: Added icons to Frames on X-Window and MS Windows versions
31 * ctsim: Fixed tick-label placement for plots on projection and
32 reconstruction dialogs.
34 * timer.h: Add use of _ftime when compiling on MSVC
36 * global: Projection files are not compatible with previous version
37 due to new scanner definitions.
39 * global: deleted concept of field-of-view and added
40 view ratio and scan ratio concepts.
42 * ctsim: Fixed crash on shutdown bug
44 * pjinfo: Fixed bug when doing --dump and not specifing --endview
46 * phm2pj: Fixed MPI bug with broadcasting of variables
48 * ctsimtext-lam: Changes for first version to compile under lam
51 3.0.0alpha5 - Released 1/12/00
53 * ctsim: Added EZPlotDialog, used by debugging plots in
56 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
57 bug in parsing command-line parameters.
59 * views.cpp: Fixed bug in copying of labels from images to
62 * syserror.cpp: fixed reporting for fatal errors
64 * projections.cpp: fixed MSVC failure with std:: namespace
66 * procsignal.cpp: fixed bug in equiangular reconstructions
67 for frequency/inverse-fourier filtering
69 3.0.0alpha4 - Released 1/09/01
71 * ctsim: Added reset to full-intensity scale menu item
73 * ctsim: Add conversion of projections to polar plot [Thanks to
74 Ian Kay for reference and math hints in polar bilinear scaling]
76 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
79 * ctsim: imagefile labels are now copied to plotfiles
81 * ctsim: Added more analyze menuitems
83 * ctsimtext: First version. All command-line tools are now accessed
84 through this master shell. Has both command-line and interactive
87 * ctsim: Fixed initialization of min/max bug for PlotFiles
89 * ezplot: Cleaned up y-tick label placement
91 * sgp: Added better support for projection/reconstruction animation
93 3.0.0alpha3 - Released 1/02/01
95 * ctsim: Added plotting of histograms
97 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
99 * ezplot.cpp: adjusted xtick label displays for better placement
101 3.0alpha2 - Released 1/02/01
103 * ctsim: All functions of command-line tools are now in graphical ctsim
105 * ctsim: added generation of filter images
107 * ctsim: Added 2-image math functions (mul, add, div, sub)
109 * ctsim: Added export of imagefiles to graphic file formats
111 * ctsim: Added support for scaling imagefiles in new sizes
113 * ctsim: Added ability to save standard phantom definitions as
114 text files suitable for reading.
116 * ctsim: Add labels for image transformations and display of labels
117 when performing properties of images.
119 * processsignal.cpp: Fixed "off by one" bug in
120 shuffleNaturalToFourierOrder when n is even. Moved functions to
123 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
124 image math functions to complex-valued math.
126 * phantom.cpp: Added ability to save phantom files as ASCII text.
128 3.0alpha1 - Released 12/29/00
130 * Added PlotFile class to system, used by if2 and ctsim for row
131 and column plots and comparison plots
133 * ctsim: Added image comparison statistics and image subtraction
135 * ctsim: Added plotting of rows & columns with y-axis scaling
137 * ctsim: Added row and column plot comparisons between two image
140 * ctsim: Added "Process" menu to image file display with math
141 functions. Added 2-dimensional inverse Fourier to math
142 functions. Added support for complex (real/imaginary) images.
144 * mathfuncs.cpp: Reworked statistics algorithm to share between
145 imagefile and plotfile classes.
147 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
148 nsamples > 2. Added generic mage math functions, moved from
149 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
152 * array2dfile.cpp: Added code to support complex (real/imaginary)
155 * if1: Updated to handle error conditions, such as sqrt of a
156 negative number. Converted to use new ImageFile math functions.
158 * if2: Updated to output plot files and use new ImageFile class
161 * if1: Updated to use new ImageFile class math functions
163 * ezplot: Reworked to better store colors/linestyles/symbols with
164 individual curves. Improved display of labels and ticks. Updated
165 to use POL class member variable. Updated to more C++ conventions.
167 * pol: converted to C++ class. Extracted HashTable to separate
170 * sgp: Added linestyle settings
173 First Microsoft Windows GUI version
174 Modifications for Microsoft Visual C++ compilation.
175 Improved pjinfo to output binary headers and view data, useful
176 when manually compiling phantoms that vary during projection
177 process. Thanks to Ian Kay for idea and code submission.
178 Improved sorting to find median in ImageFile::statistics
179 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
180 Changed reconstruction dialog to fix onto smaller screens
181 Fixed display of plotting in Projection views
182 Improved animation displays for Projections and Reconstructions
183 Changed code to explicitly use std:: namespace rather than
184 "namespace using std" statements
185 Fixed reconstruction scaling bug introduced in 2.0.6
186 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
189 Fixed minor compilation problem with procsignal.h
191 Fixed bug when simulating projections and Trace == CONSOLE
192 Fixed scaling bug when performing redundant rotations around object
195 Improved compilation on RedHat 7
196 Changed some of ANSI C header files to C++ header files
197 Removed README.RedHat7
200 Added documentation for --geometry setting
201 Added README.RedHat7 document
204 Fixed bug in generation of binary PGM files
205 Fixed MPI compilation bug in phm2pj.cpp
206 Inverted y-axis output for pj2if (bug alert from Ian Kay)
209 Additions to man pages (Ian Kay)
210 Fix problem with reading of ASCII phantom files (Ian Kay)
213 Fixed syntax error in fftw configuration
214 Slight modifications to support gcc v2.9.6
217 Version 2.0.0 released!
218 ctsim: Added Window menu to Main frame
219 ctsim: Disabled not support reconstruction method
220 Fixed obscure bug in sys_error
221 Fixed compilation in mingw environment not present
222 Fixed compilation in non-graphical environments
225 ctsim: Added animation of reconstruction
226 ctsim: Added saving of dialog parameters for Projection & Reconstruction
227 ctsim: Added progress dialog for rasterization of phantom
228 ctsim: used setpriority to set lower priority
229 ctsim: fixed pReconstruct not being deleted causing scaling problem
230 ctsim: fixed projection animation dialog buttons
233 ctsim: Added projection graph to animation of projection collection
234 ctsim: Added single stepping to projection collection animation
235 ctsim: improved File/Properties display for projection files
236 ctsim: Added progress dialog for reconstructions
237 ctsim: Added file labels for projection and reconstruction images
238 ctsim: Made File/Properties bring up modal dialogs
239 Added reconstruction for Equilinear and Equiangular geometries
240 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
241 Separated reconstruction into Reconstructor class
242 Fixed center of detector adjustment for even number of detectors
243 Added --enable-static to generate statically linked programs
246 ctsim: Added animation of projection collection processs
247 ctsim: Added Auto Scaling for image windows
248 ctsim: Change menus from "windowing" to "display scaling"
249 Added FieldOfView and FocalLength ratio parameters to projection collection
250 Added FocalLength & FieldOfView fields to projection data files
251 Added Projection collection for Equilinear and Equiangular geometries
252 Changed name of Rowland Phantom to correct name of Shepp-Logan
253 Fixed bug in backprojection selection
256 Added RCS Id strings to executable files
257 Added RPM Spec file for RPM package creation
258 Added loading of ASCII phanthom definitions from files
259 Fixed compilation for non-SGP architectures
260 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
261 Added Filter-Generation option to reconstruction to allow direct or
262 inverse_fourier construction of filters
263 Added median to statistics and to auto-windowing
266 Added line color support to SGP
270 Finished support for dmallocxx library
271 Fixed bug in SignalFilter::convertFilterMethodNameToID()
272 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
273 G2 windows and well as WXWindows.
274 ctsim program: "Create Phantom" now shows phantom object
275 Fixed row-plot bug in if-2
276 Reworked EZPlot's multiple plot operation
279 ctsim program: improved initial size and scroll area for image
281 ctsim program: added rasterization parameters, projections parameters,
282 and reconstruction parameters dialogs
283 Moved char[] static definition from header files to c++ files
284 Completely reorganized option processing in classes to improve
285 expandability and to assist ctsim graphical user interface.
288 ctsim program: Added dialog to set minimum/maximum display levels
289 Started ctsim.tex document file
292 Fixed compiler warnings at -Wall level
293 Began work on CTSim program to be graphical front-end of all functions
294 Moved current src/*.cpp to tools/*.cpp
295 Made CTSim graphical front-end's home to be src/
298 Added highly optimized backprojection method idiff3
299 Moved comparative stats to if-2 program from ifinfo
300 Fixed image display in if2img using G2 library
301 Added column-plot and row-plot options to if-2
302 Added autoselection of analytic/calculated spatial responses to SignalFilter
303 Added frequency-based preinterpolation to SignalFilter and idiff3
304 backprojection method. Currently, this technique is still under
305 development and debugging
306 Moved graphic file writing to ImageFile class from if2img program
309 Cleaned up SignalFilter class
310 Added zeropad option to pjrec
311 Added zeropad options to html and cgi files
312 Added fourier_table and rfttw filter methods
313 Added FFTW routines to use real/half-complex transformations
316 Updated trace level processing
317 Added trace level to SignalFilter
318 Fixed magnitude vs. real output bug in FFT/Fourier filter
321 Fixed const issue with ImageFileArray
322 Fixed Array2dFile::labelsCopy()
323 Added copy constructor and assignment for Array2dFileLabel class
324 Added Timer to if-2.cpp and ifinfo.cpp
325 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
326 Added option processing for filter-method for pjrec to choose
327 between convolution, dft, & fft filtering
328 Fixed format string for EZPlot so axis labels now print
329 Added support for FFTW library
332 Rewrote Array2dFile class to be non-templated
333 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
334 Rewrote Array2dFileLabel class to make members private, added access routines
335 Removed timedate.cpp in favor of standard C library time/date functions
336 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
337 Added signature tag and creation date/time to projection files
340 Standardized string option processing by classes. All classes use character strings
341 to select options rather than numeric constants. Added fail() and failMessage()
342 methods to verify that objects are created correctly by character strings.
343 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
344 Rewrote ImageFile class
345 Started support for dmallocxx library, not finished
346 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
347 Updated ifinfo to show comparative statistics
348 Added printLabels() to Array2dFile class
349 Added printStatistics() to ImageFile class
352 Moved conversion filter name/id to Filter class
353 Moved conversion backprojection name/id to Backproj class
354 Added MPI broadcasting of strings
357 Merged proj_reconstr into class Projections
358 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
359 Code cleanup in projections.cpp
360 Moved conversion of phantom names/id to Phantom class
363 Converted projection files to C++ library with frnetorderstream
364 Converted image files to C++ library with frnetorderstream
365 Converted filter and convolution to object-oriented code
366 Changed default image file to float from double -- Changable in imagefile.h
367 Optimized image file writing on little-endian architectures
368 Updated README and INSTALL
371 Reorganized source files
372 MPI bug fixed to phm2pj.cpp
375 Reorganized include files
376 Fixed const pointers in strfuncs
379 Renamed directories, moved source files, combined source files
380 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
384 Skip versions to make version 2.0 the first fully C++ version
385 Renamed Raysums to Projections throughout files
386 Renamed Detector to Scanner
387 Converted Scanner and Projecions to full object-oriented
390 Converted Phantom and PhantomElements to Object-Oriented
391 Converted Detector to Object-Oriented
394 Improved Integer backprojection method
395 Fixed nearest neighbor to be truly nearest neighbor
396 Made linear interpolation more integer arithmetic -> speed improvement
397 Finished converting all C files to C++
398 Converted all use of malloc/free to C++ new/delete
399 Began object-oriented conversion of Phantom and Projection structures
402 Converted MPI data structures to C++ object
403 Made ImageFile directly inherit from Array2dFile
406 First C++ conversions
407 Portable IF (image file) format implemented with objects (SDF removed)
408 - Now all data files are cross-platform compatible
409 Converted from MPI to MPI++
410 Converted backprojection to object-oriented
411 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
414 Simpilifed endian handling
417 Added support for 64-bit (IA64) CPU
418 Removed broken B-spline interpolation
419 Added support for cygwin platform under Windows 2000
420 Added support for 16-bit PNG graphics
423 Added compile-time configuration of endian order
426 Modified the raysum file format to be platform independent
429 Added Microsoft VC compatibility
430 Cleaned up compilation warnings in libgraph
433 Continued conversion to ANSI C
434 Removed old CRT routines
437 Renamed pictures to phantoms, objects to phantom elements
438 Continued code cleanup
441 More code cleanup with reorganizing libraries
442 Added --log and --exp to sdf-1
443 Allowed negative numbers for window levels in CGI interface
446 Continued code cleanup
450 Better documented, coded raysum in-memory on on-disk options
453 Cleaned out library that wasn't being used by CTSim
454 Modified ctsim.cgi to read in configuration file ctsim.conf
457 First open source distribution for GNU/Linux
460 Converted to GNU/Linux
461 added MPI support via LAM library
464 Developed under MS-DOS and IBM EGA graphics