3 * ctsim: Added tips to be displayed at startup and via the help menu.
5 * ctsim: Added center-detector concept. Allow for detector array
6 to be any arbitrary distance from center of scanner. As a result,
7 projection files are not incompatible with previous version of
10 * ctsim: Added generic threaded tasks and background manager for
11 background processing as well as taking advantage of multiple-CPU's
14 * ctsim: Added background and SMP processing for reconstructions.
16 * ctsim: Added background and SMP processing for scanning.
18 * ctsim: Added background and SMP processing for rasterization.
20 * ctsim: Added "Verbose Logging", "Startup Tips", and
21 "Background processes" options to Preferences dialog.
23 * ctsim: Added accelerator key for File-Properties
25 * views.cpp: Added out of memory checks to display for huge
26 image and projection files.
28 * distribution: fixed problem with documentation files not
29 being included with the distribution [Reported by Ian Kay].
31 3.0.3 - Released 2/20/01
33 * ctsim: Fixed core dump on Linux with OpenGL
35 * ctsim: Fixed context-sensitive help on Linux
37 * ctsim: Fixed About box on Linux
39 3.0.2 - Released 2/20/01
41 * scanner.cpp: Fixed bug when number of detectors was even.
43 * ctsim: Improved error handling when trying to convert
44 divergent projections into polar form.
46 3.0.1 - Released 2/19/01
48 * ctsim: Fixed dialog box for reconstruction so that
49 rotation angle setting will stay fixed in-between use
52 * syserror: Fixed display bug for trace messages
54 * ctsim: MSVC optimization bug work-around, compiler
57 3.0.0 - Released 2/19/01
59 * ctsim: Massive update/fix to online help and print manual.
61 * ctsim: Added context-sensitive help to dialog boxes
63 * ctsim: Reformated all dialog boxes, much nicer now.
65 * ctsim: Improved accelerator key handling
67 * global: Added Hanning filter.
69 * global: Improved default parameters to that all defaults give
72 3.0.0beta1 - Released 2/11/01
74 * ctsim: Added most-recently-used files to File menu with
75 registry storage between executions.
77 * ctsim: Hides arcane features unless enabled by Preferences dialog
79 * ctsim: Added MDI interface for Windows version and made it default for Windows.
81 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
83 * ctsim: Added graphical About box
85 * ctsim: Escape key now removes cursor lines from image file view
87 * ctsim: Added Revert to ImageFile menu
89 * ctsim: Added accelerator (hotkeys) to frames
91 * ctsim: Online help added!
93 * backprojector: Added cubic interpolation
95 * ctsim: Added icons to Frames on X-Window and MS Windows versions
97 * ctsim: Fixed tick-label placement for plots on projection and
98 reconstruction dialogs.
100 * timer.h: Add use of _ftime when compiling on MSVC
102 * global: Projection files are not compatible with previous version
103 due to new scanner definitions.
105 * global: deleted concept of field-of-view and added
106 view ratio and scan ratio concepts.
108 * ctsim: Fixed crash on shutdown bug
110 * pjinfo: Fixed bug when doing --dump and not specifing --endview
112 * phm2pj: Fixed MPI bug with broadcasting of variables
114 * ctsimtext-lam: Changes for first version to compile under lam
117 3.0.0alpha5 - Released 1/12/00
119 * ctsim: Added EZPlotDialog, used by debugging plots in
122 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
123 bug in parsing command-line parameters.
125 * views.cpp: Fixed bug in copying of labels from images to
128 * syserror.cpp: fixed reporting for fatal errors
130 * projections.cpp: fixed MSVC failure with std:: namespace
132 * procsignal.cpp: fixed bug in equiangular reconstructions
133 for frequency/inverse-fourier filtering
135 3.0.0alpha4 - Released 1/09/01
137 * ctsim: Added reset to full-intensity scale menu item
139 * ctsim: Add conversion of projections to polar plot [Thanks to
140 Ian Kay for reference and math hints in polar bilinear scaling]
142 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
145 * ctsim: imagefile labels are now copied to plotfiles
147 * ctsim: Added more analyze menuitems
149 * ctsimtext: First version. All command-line tools are now accessed
150 through this master shell. Has both command-line and interactive
153 * ctsim: Fixed initialization of min/max bug for PlotFiles
155 * ezplot: Cleaned up y-tick label placement
157 * sgp: Added better support for projection/reconstruction animation
159 3.0.0alpha3 - Released 1/02/01
161 * ctsim: Added plotting of histograms
163 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
165 * ezplot.cpp: adjusted xtick label displays for better placement
167 3.0alpha2 - Released 1/02/01
169 * ctsim: All functions of command-line tools are now in graphical ctsim
171 * ctsim: added generation of filter images
173 * ctsim: Added 2-image math functions (mul, add, div, sub)
175 * ctsim: Added export of imagefiles to graphic file formats
177 * ctsim: Added support for scaling imagefiles in new sizes
179 * ctsim: Added ability to save standard phantom definitions as
180 text files suitable for reading.
182 * ctsim: Add labels for image transformations and display of labels
183 when performing properties of images.
185 * processsignal.cpp: Fixed "off by one" bug in
186 shuffleNaturalToFourierOrder when n is even. Moved functions to
189 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
190 image math functions to complex-valued math.
192 * phantom.cpp: Added ability to save phantom files as ASCII text.
194 3.0alpha1 - Released 12/29/00
196 * Added PlotFile class to system, used by if2 and ctsim for row
197 and column plots and comparison plots
199 * ctsim: Added image comparison statistics and image subtraction
201 * ctsim: Added plotting of rows & columns with y-axis scaling
203 * ctsim: Added row and column plot comparisons between two image
206 * ctsim: Added "Process" menu to image file display with math
207 functions. Added 2-dimensional inverse Fourier to math
208 functions. Added support for complex (real/imaginary) images.
210 * mathfuncs.cpp: Reworked statistics algorithm to share between
211 imagefile and plotfile classes.
213 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
214 nsamples > 2. Added generic mage math functions, moved from
215 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
218 * array2dfile.cpp: Added code to support complex (real/imaginary)
221 * if1: Updated to handle error conditions, such as sqrt of a
222 negative number. Converted to use new ImageFile math functions.
224 * if2: Updated to output plot files and use new ImageFile class
227 * if1: Updated to use new ImageFile class math functions
229 * ezplot: Reworked to better store colors/linestyles/symbols with
230 individual curves. Improved display of labels and ticks. Updated
231 to use POL class member variable. Updated to more C++ conventions.
233 * pol: converted to C++ class. Extracted HashTable to separate
236 * sgp: Added linestyle settings
239 First Microsoft Windows GUI version
240 Modifications for Microsoft Visual C++ compilation.
241 Improved pjinfo to output binary headers and view data, useful
242 when manually compiling phantoms that vary during projection
243 process. Thanks to Ian Kay for idea and code submission.
244 Improved sorting to find median in ImageFile::statistics
245 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
246 Changed reconstruction dialog to fix onto smaller screens
247 Fixed display of plotting in Projection views
248 Improved animation displays for Projections and Reconstructions
249 Changed code to explicitly use std:: namespace rather than
250 "namespace using std" statements
251 Fixed reconstruction scaling bug introduced in 2.0.6
252 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
255 Fixed minor compilation problem with procsignal.h
257 Fixed bug when simulating projections and Trace == CONSOLE
258 Fixed scaling bug when performing redundant rotations around object
261 Improved compilation on RedHat 7
262 Changed some of ANSI C header files to C++ header files
263 Removed README.RedHat7
266 Added documentation for --geometry setting
267 Added README.RedHat7 document
270 Fixed bug in generation of binary PGM files
271 Fixed MPI compilation bug in phm2pj.cpp
272 Inverted y-axis output for pj2if (bug alert from Ian Kay)
275 Additions to man pages (Ian Kay)
276 Fix problem with reading of ASCII phantom files (Ian Kay)
279 Fixed syntax error in fftw configuration
280 Slight modifications to support gcc v2.9.6
283 Version 2.0.0 released!
284 ctsim: Added Window menu to Main frame
285 ctsim: Disabled not support reconstruction method
286 Fixed obscure bug in sys_error
287 Fixed compilation in mingw environment not present
288 Fixed compilation in non-graphical environments
291 ctsim: Added animation of reconstruction
292 ctsim: Added saving of dialog parameters for Projection & Reconstruction
293 ctsim: Added progress dialog for rasterization of phantom
294 ctsim: used setpriority to set lower priority
295 ctsim: fixed pReconstruct not being deleted causing scaling problem
296 ctsim: fixed projection animation dialog buttons
299 ctsim: Added projection graph to animation of projection collection
300 ctsim: Added single stepping to projection collection animation
301 ctsim: improved File/Properties display for projection files
302 ctsim: Added progress dialog for reconstructions
303 ctsim: Added file labels for projection and reconstruction images
304 ctsim: Made File/Properties bring up modal dialogs
305 Added reconstruction for Equilinear and Equiangular geometries
306 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
307 Separated reconstruction into Reconstructor class
308 Fixed center of detector adjustment for even number of detectors
309 Added --enable-static to generate statically linked programs
312 ctsim: Added animation of projection collection processs
313 ctsim: Added Auto Scaling for image windows
314 ctsim: Change menus from "windowing" to "display scaling"
315 Added FieldOfView and FocalLength ratio parameters to projection collection
316 Added FocalLength & FieldOfView fields to projection data files
317 Added Projection collection for Equilinear and Equiangular geometries
318 Changed name of Rowland Phantom to correct name of Shepp-Logan
319 Fixed bug in backprojection selection
322 Added RCS Id strings to executable files
323 Added RPM Spec file for RPM package creation
324 Added loading of ASCII phanthom definitions from files
325 Fixed compilation for non-SGP architectures
326 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
327 Added Filter-Generation option to reconstruction to allow direct or
328 inverse_fourier construction of filters
329 Added median to statistics and to auto-windowing
332 Added line color support to SGP
336 Finished support for dmallocxx library
337 Fixed bug in SignalFilter::convertFilterMethodNameToID()
338 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
339 G2 windows and well as WXWindows.
340 ctsim program: "Create Phantom" now shows phantom object
341 Fixed row-plot bug in if-2
342 Reworked EZPlot's multiple plot operation
345 ctsim program: improved initial size and scroll area for image
347 ctsim program: added rasterization parameters, projections parameters,
348 and reconstruction parameters dialogs
349 Moved char[] static definition from header files to c++ files
350 Completely reorganized option processing in classes to improve
351 expandability and to assist ctsim graphical user interface.
354 ctsim program: Added dialog to set minimum/maximum display levels
355 Started ctsim.tex document file
358 Fixed compiler warnings at -Wall level
359 Began work on CTSim program to be graphical front-end of all functions
360 Moved current src/*.cpp to tools/*.cpp
361 Made CTSim graphical front-end's home to be src/
364 Added highly optimized backprojection method idiff3
365 Moved comparative stats to if-2 program from ifinfo
366 Fixed image display in if2img using G2 library
367 Added column-plot and row-plot options to if-2
368 Added autoselection of analytic/calculated spatial responses to SignalFilter
369 Added frequency-based preinterpolation to SignalFilter and idiff3
370 backprojection method. Currently, this technique is still under
371 development and debugging
372 Moved graphic file writing to ImageFile class from if2img program
375 Cleaned up SignalFilter class
376 Added zeropad option to pjrec
377 Added zeropad options to html and cgi files
378 Added fourier_table and rfttw filter methods
379 Added FFTW routines to use real/half-complex transformations
382 Updated trace level processing
383 Added trace level to SignalFilter
384 Fixed magnitude vs. real output bug in FFT/Fourier filter
387 Fixed const issue with ImageFileArray
388 Fixed Array2dFile::labelsCopy()
389 Added copy constructor and assignment for Array2dFileLabel class
390 Added Timer to if-2.cpp and ifinfo.cpp
391 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
392 Added option processing for filter-method for pjrec to choose
393 between convolution, dft, & fft filtering
394 Fixed format string for EZPlot so axis labels now print
395 Added support for FFTW library
398 Rewrote Array2dFile class to be non-templated
399 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
400 Rewrote Array2dFileLabel class to make members private, added access routines
401 Removed timedate.cpp in favor of standard C library time/date functions
402 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
403 Added signature tag and creation date/time to projection files
406 Standardized string option processing by classes. All classes use character strings
407 to select options rather than numeric constants. Added fail() and failMessage()
408 methods to verify that objects are created correctly by character strings.
409 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
410 Rewrote ImageFile class
411 Started support for dmallocxx library, not finished
412 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
413 Updated ifinfo to show comparative statistics
414 Added printLabels() to Array2dFile class
415 Added printStatistics() to ImageFile class
418 Moved conversion filter name/id to Filter class
419 Moved conversion backprojection name/id to Backproj class
420 Added MPI broadcasting of strings
423 Merged proj_reconstr into class Projections
424 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
425 Code cleanup in projections.cpp
426 Moved conversion of phantom names/id to Phantom class
429 Converted projection files to C++ library with frnetorderstream
430 Converted image files to C++ library with frnetorderstream
431 Converted filter and convolution to object-oriented code
432 Changed default image file to float from double -- Changable in imagefile.h
433 Optimized image file writing on little-endian architectures
434 Updated README and INSTALL
437 Reorganized source files
438 MPI bug fixed to phm2pj.cpp
441 Reorganized include files
442 Fixed const pointers in strfuncs
445 Renamed directories, moved source files, combined source files
446 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
450 Skip versions to make version 2.0 the first fully C++ version
451 Renamed Raysums to Projections throughout files
452 Renamed Detector to Scanner
453 Converted Scanner and Projecions to full object-oriented
456 Converted Phantom and PhantomElements to Object-Oriented
457 Converted Detector to Object-Oriented
460 Improved Integer backprojection method
461 Fixed nearest neighbor to be truly nearest neighbor
462 Made linear interpolation more integer arithmetic -> speed improvement
463 Finished converting all C files to C++
464 Converted all use of malloc/free to C++ new/delete
465 Began object-oriented conversion of Phantom and Projection structures
468 Converted MPI data structures to C++ object
469 Made ImageFile directly inherit from Array2dFile
472 First C++ conversions
473 Portable IF (image file) format implemented with objects (SDF removed)
474 - Now all data files are cross-platform compatible
475 Converted from MPI to MPI++
476 Converted backprojection to object-oriented
477 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
480 Simpilifed endian handling
483 Added support for 64-bit (IA64) CPU
484 Removed broken B-spline interpolation
485 Added support for cygwin platform under Windows 2000
486 Added support for 16-bit PNG graphics
489 Added compile-time configuration of endian order
492 Modified the raysum file format to be platform independent
495 Added Microsoft VC compatibility
496 Cleaned up compilation warnings in libgraph
499 Continued conversion to ANSI C
500 Removed old CRT routines
503 Renamed pictures to phantoms, objects to phantom elements
504 Continued code cleanup
507 More code cleanup with reorganizing libraries
508 Added --log and --exp to sdf-1
509 Allowed negative numbers for window levels in CGI interface
512 Continued code cleanup
516 Better documented, coded raysum in-memory on on-disk options
519 Cleaned out library that wasn't being used by CTSim
520 Modified ctsim.cgi to read in configuration file ctsim.conf
523 First open source distribution for GNU/Linux
526 Converted to GNU/Linux
527 added MPI support via LAM library
530 Developed under MS-DOS and IBM EGA graphics