3 * ctsim: Added "Verbose Logging" option to Preferences
5 3.0.3 - Released 2/20/01
7 * ctsim: Fixed core dump on Linux with OpenGL
9 * ctsim: Fixed context-sensitive help on Linux
11 * ctsim: Fixed About box on Linux
13 3.0.2 - Released 2/20/01
15 * scanner.cpp: Fixed bug when number of detectors was even.
17 * ctsim: Improved error handling when trying to convert
18 divergent projections into polar form.
20 3.0.1 - Released 2/19/01
22 * ctsim: Fixed dialog box for reconstruction so that
23 rotation angle setting will stay fixed in-between use
26 * syserror: Fixed display bug for trace messages
28 * ctsim: MSVC optimization bug work-around, compiler
31 3.0.0 - Released 2/19/01
33 * ctsim: Massive update/fix to online help and print manual.
35 * ctsim: Added context-sensitive help to dialog boxes
37 * ctsim: Reformated all dialog boxes, much nicer now.
39 * ctsim: Improved accelerator key handling
41 * global: Added Hanning filter.
43 * global: Improved default parameters to that all defaults give
46 3.0.0beta1 - Released 2/11/01
48 * ctsim: Added most-recently-used files to File menu with
49 registry storage between executions.
51 * ctsim: Hides arcane features unless enabled by Preferences dialog
53 * ctsim: Added MDI interface for Windows version and made it default for Windows.
55 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
57 * ctsim: Added graphical About box
59 * ctsim: Escape key now removes cursor lines from image file view
61 * ctsim: Added Revert to ImageFile menu
63 * ctsim: Added accelerator (hotkeys) to frames
65 * ctsim: Online help added!
67 * backprojector: Added cubic interpolation
69 * ctsim: Added icons to Frames on X-Window and MS Windows versions
71 * ctsim: Fixed tick-label placement for plots on projection and
72 reconstruction dialogs.
74 * timer.h: Add use of _ftime when compiling on MSVC
76 * global: Projection files are not compatible with previous version
77 due to new scanner definitions.
79 * global: deleted concept of field-of-view and added
80 view ratio and scan ratio concepts.
82 * ctsim: Fixed crash on shutdown bug
84 * pjinfo: Fixed bug when doing --dump and not specifing --endview
86 * phm2pj: Fixed MPI bug with broadcasting of variables
88 * ctsimtext-lam: Changes for first version to compile under lam
91 3.0.0alpha5 - Released 1/12/00
93 * ctsim: Added EZPlotDialog, used by debugging plots in
96 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
97 bug in parsing command-line parameters.
99 * views.cpp: Fixed bug in copying of labels from images to
102 * syserror.cpp: fixed reporting for fatal errors
104 * projections.cpp: fixed MSVC failure with std:: namespace
106 * procsignal.cpp: fixed bug in equiangular reconstructions
107 for frequency/inverse-fourier filtering
109 3.0.0alpha4 - Released 1/09/01
111 * ctsim: Added reset to full-intensity scale menu item
113 * ctsim: Add conversion of projections to polar plot [Thanks to
114 Ian Kay for reference and math hints in polar bilinear scaling]
116 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
119 * ctsim: imagefile labels are now copied to plotfiles
121 * ctsim: Added more analyze menuitems
123 * ctsimtext: First version. All command-line tools are now accessed
124 through this master shell. Has both command-line and interactive
127 * ctsim: Fixed initialization of min/max bug for PlotFiles
129 * ezplot: Cleaned up y-tick label placement
131 * sgp: Added better support for projection/reconstruction animation
133 3.0.0alpha3 - Released 1/02/01
135 * ctsim: Added plotting of histograms
137 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
139 * ezplot.cpp: adjusted xtick label displays for better placement
141 3.0alpha2 - Released 1/02/01
143 * ctsim: All functions of command-line tools are now in graphical ctsim
145 * ctsim: added generation of filter images
147 * ctsim: Added 2-image math functions (mul, add, div, sub)
149 * ctsim: Added export of imagefiles to graphic file formats
151 * ctsim: Added support for scaling imagefiles in new sizes
153 * ctsim: Added ability to save standard phantom definitions as
154 text files suitable for reading.
156 * ctsim: Add labels for image transformations and display of labels
157 when performing properties of images.
159 * processsignal.cpp: Fixed "off by one" bug in
160 shuffleNaturalToFourierOrder when n is even. Moved functions to
163 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
164 image math functions to complex-valued math.
166 * phantom.cpp: Added ability to save phantom files as ASCII text.
168 3.0alpha1 - Released 12/29/00
170 * Added PlotFile class to system, used by if2 and ctsim for row
171 and column plots and comparison plots
173 * ctsim: Added image comparison statistics and image subtraction
175 * ctsim: Added plotting of rows & columns with y-axis scaling
177 * ctsim: Added row and column plot comparisons between two image
180 * ctsim: Added "Process" menu to image file display with math
181 functions. Added 2-dimensional inverse Fourier to math
182 functions. Added support for complex (real/imaginary) images.
184 * mathfuncs.cpp: Reworked statistics algorithm to share between
185 imagefile and plotfile classes.
187 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
188 nsamples > 2. Added generic mage math functions, moved from
189 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
192 * array2dfile.cpp: Added code to support complex (real/imaginary)
195 * if1: Updated to handle error conditions, such as sqrt of a
196 negative number. Converted to use new ImageFile math functions.
198 * if2: Updated to output plot files and use new ImageFile class
201 * if1: Updated to use new ImageFile class math functions
203 * ezplot: Reworked to better store colors/linestyles/symbols with
204 individual curves. Improved display of labels and ticks. Updated
205 to use POL class member variable. Updated to more C++ conventions.
207 * pol: converted to C++ class. Extracted HashTable to separate
210 * sgp: Added linestyle settings
213 First Microsoft Windows GUI version
214 Modifications for Microsoft Visual C++ compilation.
215 Improved pjinfo to output binary headers and view data, useful
216 when manually compiling phantoms that vary during projection
217 process. Thanks to Ian Kay for idea and code submission.
218 Improved sorting to find median in ImageFile::statistics
219 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
220 Changed reconstruction dialog to fix onto smaller screens
221 Fixed display of plotting in Projection views
222 Improved animation displays for Projections and Reconstructions
223 Changed code to explicitly use std:: namespace rather than
224 "namespace using std" statements
225 Fixed reconstruction scaling bug introduced in 2.0.6
226 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
229 Fixed minor compilation problem with procsignal.h
231 Fixed bug when simulating projections and Trace == CONSOLE
232 Fixed scaling bug when performing redundant rotations around object
235 Improved compilation on RedHat 7
236 Changed some of ANSI C header files to C++ header files
237 Removed README.RedHat7
240 Added documentation for --geometry setting
241 Added README.RedHat7 document
244 Fixed bug in generation of binary PGM files
245 Fixed MPI compilation bug in phm2pj.cpp
246 Inverted y-axis output for pj2if (bug alert from Ian Kay)
249 Additions to man pages (Ian Kay)
250 Fix problem with reading of ASCII phantom files (Ian Kay)
253 Fixed syntax error in fftw configuration
254 Slight modifications to support gcc v2.9.6
257 Version 2.0.0 released!
258 ctsim: Added Window menu to Main frame
259 ctsim: Disabled not support reconstruction method
260 Fixed obscure bug in sys_error
261 Fixed compilation in mingw environment not present
262 Fixed compilation in non-graphical environments
265 ctsim: Added animation of reconstruction
266 ctsim: Added saving of dialog parameters for Projection & Reconstruction
267 ctsim: Added progress dialog for rasterization of phantom
268 ctsim: used setpriority to set lower priority
269 ctsim: fixed pReconstruct not being deleted causing scaling problem
270 ctsim: fixed projection animation dialog buttons
273 ctsim: Added projection graph to animation of projection collection
274 ctsim: Added single stepping to projection collection animation
275 ctsim: improved File/Properties display for projection files
276 ctsim: Added progress dialog for reconstructions
277 ctsim: Added file labels for projection and reconstruction images
278 ctsim: Made File/Properties bring up modal dialogs
279 Added reconstruction for Equilinear and Equiangular geometries
280 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
281 Separated reconstruction into Reconstructor class
282 Fixed center of detector adjustment for even number of detectors
283 Added --enable-static to generate statically linked programs
286 ctsim: Added animation of projection collection processs
287 ctsim: Added Auto Scaling for image windows
288 ctsim: Change menus from "windowing" to "display scaling"
289 Added FieldOfView and FocalLength ratio parameters to projection collection
290 Added FocalLength & FieldOfView fields to projection data files
291 Added Projection collection for Equilinear and Equiangular geometries
292 Changed name of Rowland Phantom to correct name of Shepp-Logan
293 Fixed bug in backprojection selection
296 Added RCS Id strings to executable files
297 Added RPM Spec file for RPM package creation
298 Added loading of ASCII phanthom definitions from files
299 Fixed compilation for non-SGP architectures
300 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
301 Added Filter-Generation option to reconstruction to allow direct or
302 inverse_fourier construction of filters
303 Added median to statistics and to auto-windowing
306 Added line color support to SGP
310 Finished support for dmallocxx library
311 Fixed bug in SignalFilter::convertFilterMethodNameToID()
312 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
313 G2 windows and well as WXWindows.
314 ctsim program: "Create Phantom" now shows phantom object
315 Fixed row-plot bug in if-2
316 Reworked EZPlot's multiple plot operation
319 ctsim program: improved initial size and scroll area for image
321 ctsim program: added rasterization parameters, projections parameters,
322 and reconstruction parameters dialogs
323 Moved char[] static definition from header files to c++ files
324 Completely reorganized option processing in classes to improve
325 expandability and to assist ctsim graphical user interface.
328 ctsim program: Added dialog to set minimum/maximum display levels
329 Started ctsim.tex document file
332 Fixed compiler warnings at -Wall level
333 Began work on CTSim program to be graphical front-end of all functions
334 Moved current src/*.cpp to tools/*.cpp
335 Made CTSim graphical front-end's home to be src/
338 Added highly optimized backprojection method idiff3
339 Moved comparative stats to if-2 program from ifinfo
340 Fixed image display in if2img using G2 library
341 Added column-plot and row-plot options to if-2
342 Added autoselection of analytic/calculated spatial responses to SignalFilter
343 Added frequency-based preinterpolation to SignalFilter and idiff3
344 backprojection method. Currently, this technique is still under
345 development and debugging
346 Moved graphic file writing to ImageFile class from if2img program
349 Cleaned up SignalFilter class
350 Added zeropad option to pjrec
351 Added zeropad options to html and cgi files
352 Added fourier_table and rfttw filter methods
353 Added FFTW routines to use real/half-complex transformations
356 Updated trace level processing
357 Added trace level to SignalFilter
358 Fixed magnitude vs. real output bug in FFT/Fourier filter
361 Fixed const issue with ImageFileArray
362 Fixed Array2dFile::labelsCopy()
363 Added copy constructor and assignment for Array2dFileLabel class
364 Added Timer to if-2.cpp and ifinfo.cpp
365 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
366 Added option processing for filter-method for pjrec to choose
367 between convolution, dft, & fft filtering
368 Fixed format string for EZPlot so axis labels now print
369 Added support for FFTW library
372 Rewrote Array2dFile class to be non-templated
373 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
374 Rewrote Array2dFileLabel class to make members private, added access routines
375 Removed timedate.cpp in favor of standard C library time/date functions
376 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
377 Added signature tag and creation date/time to projection files
380 Standardized string option processing by classes. All classes use character strings
381 to select options rather than numeric constants. Added fail() and failMessage()
382 methods to verify that objects are created correctly by character strings.
383 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
384 Rewrote ImageFile class
385 Started support for dmallocxx library, not finished
386 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
387 Updated ifinfo to show comparative statistics
388 Added printLabels() to Array2dFile class
389 Added printStatistics() to ImageFile class
392 Moved conversion filter name/id to Filter class
393 Moved conversion backprojection name/id to Backproj class
394 Added MPI broadcasting of strings
397 Merged proj_reconstr into class Projections
398 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
399 Code cleanup in projections.cpp
400 Moved conversion of phantom names/id to Phantom class
403 Converted projection files to C++ library with frnetorderstream
404 Converted image files to C++ library with frnetorderstream
405 Converted filter and convolution to object-oriented code
406 Changed default image file to float from double -- Changable in imagefile.h
407 Optimized image file writing on little-endian architectures
408 Updated README and INSTALL
411 Reorganized source files
412 MPI bug fixed to phm2pj.cpp
415 Reorganized include files
416 Fixed const pointers in strfuncs
419 Renamed directories, moved source files, combined source files
420 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
424 Skip versions to make version 2.0 the first fully C++ version
425 Renamed Raysums to Projections throughout files
426 Renamed Detector to Scanner
427 Converted Scanner and Projecions to full object-oriented
430 Converted Phantom and PhantomElements to Object-Oriented
431 Converted Detector to Object-Oriented
434 Improved Integer backprojection method
435 Fixed nearest neighbor to be truly nearest neighbor
436 Made linear interpolation more integer arithmetic -> speed improvement
437 Finished converting all C files to C++
438 Converted all use of malloc/free to C++ new/delete
439 Began object-oriented conversion of Phantom and Projection structures
442 Converted MPI data structures to C++ object
443 Made ImageFile directly inherit from Array2dFile
446 First C++ conversions
447 Portable IF (image file) format implemented with objects (SDF removed)
448 - Now all data files are cross-platform compatible
449 Converted from MPI to MPI++
450 Converted backprojection to object-oriented
451 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
454 Simpilifed endian handling
457 Added support for 64-bit (IA64) CPU
458 Removed broken B-spline interpolation
459 Added support for cygwin platform under Windows 2000
460 Added support for 16-bit PNG graphics
463 Added compile-time configuration of endian order
466 Modified the raysum file format to be platform independent
469 Added Microsoft VC compatibility
470 Cleaned up compilation warnings in libgraph
473 Continued conversion to ANSI C
474 Removed old CRT routines
477 Renamed pictures to phantoms, objects to phantom elements
478 Continued code cleanup
481 More code cleanup with reorganizing libraries
482 Added --log and --exp to sdf-1
483 Allowed negative numbers for window levels in CGI interface
486 Continued code cleanup
490 Better documented, coded raysum in-memory on on-disk options
493 Cleaned out library that wasn't being used by CTSim
494 Modified ctsim.cgi to read in configuration file ctsim.conf
497 First open source distribution for GNU/Linux
500 Converted to GNU/Linux
501 added MPI support via LAM library
504 Developed under MS-DOS and IBM EGA graphics