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 PPM/PGM and PNG file import to imagefile.
16 * ctsim: Added background and SMP processing for reconstructions.
18 * ctsim: Added background and SMP processing for scanning.
20 * ctsim: Added background and SMP processing for rasterization.
22 * ctsim: Added "Verbose Logging", "Startup Tips", and
23 "Background processes" options to Preferences dialog.
25 * ctsim: Added accelerator key for File-Properties
27 * views.cpp: Added out of memory checks to display for huge
28 image and projection files.
30 * distribution: fixed problem with documentation files not
31 being included with the distribution [Reported by Ian Kay].
33 3.0.3 - Released 2/20/01
35 * ctsim: Fixed core dump on Linux with OpenGL
37 * ctsim: Fixed context-sensitive help on Linux
39 * ctsim: Fixed About box on Linux
41 3.0.2 - Released 2/20/01
43 * scanner.cpp: Fixed bug when number of detectors was even.
45 * ctsim: Improved error handling when trying to convert
46 divergent projections into polar form.
48 3.0.1 - Released 2/19/01
50 * ctsim: Fixed dialog box for reconstruction so that
51 rotation angle setting will stay fixed in-between use
54 * syserror: Fixed display bug for trace messages
56 * ctsim: MSVC optimization bug work-around, compiler
59 3.0.0 - Released 2/19/01
61 * ctsim: Massive update/fix to online help and print manual.
63 * ctsim: Added context-sensitive help to dialog boxes
65 * ctsim: Reformated all dialog boxes, much nicer now.
67 * ctsim: Improved accelerator key handling
69 * global: Added Hanning filter.
71 * global: Improved default parameters to that all defaults give
74 3.0.0beta1 - Released 2/11/01
76 * ctsim: Added most-recently-used files to File menu with
77 registry storage between executions.
79 * ctsim: Hides arcane features unless enabled by Preferences dialog
81 * ctsim: Added MDI interface for Windows version and made it default for Windows.
83 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
85 * ctsim: Added graphical About box
87 * ctsim: Escape key now removes cursor lines from image file view
89 * ctsim: Added Revert to ImageFile menu
91 * ctsim: Added accelerator (hotkeys) to frames
93 * ctsim: Online help added!
95 * backprojector: Added cubic interpolation
97 * ctsim: Added icons to Frames on X-Window and MS Windows versions
99 * ctsim: Fixed tick-label placement for plots on projection and
100 reconstruction dialogs.
102 * timer.h: Add use of _ftime when compiling on MSVC
104 * global: Projection files are not compatible with previous version
105 due to new scanner definitions.
107 * global: deleted concept of field-of-view and added
108 view ratio and scan ratio concepts.
110 * ctsim: Fixed crash on shutdown bug
112 * pjinfo: Fixed bug when doing --dump and not specifing --endview
114 * phm2pj: Fixed MPI bug with broadcasting of variables
116 * ctsimtext-lam: Changes for first version to compile under lam
119 3.0.0alpha5 - Released 1/12/00
121 * ctsim: Added EZPlotDialog, used by debugging plots in
124 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
125 bug in parsing command-line parameters.
127 * views.cpp: Fixed bug in copying of labels from images to
130 * syserror.cpp: fixed reporting for fatal errors
132 * projections.cpp: fixed MSVC failure with std:: namespace
134 * procsignal.cpp: fixed bug in equiangular reconstructions
135 for frequency/inverse-fourier filtering
137 3.0.0alpha4 - Released 1/09/01
139 * ctsim: Added reset to full-intensity scale menu item
141 * ctsim: Add conversion of projections to polar plot [Thanks to
142 Ian Kay for reference and math hints in polar bilinear scaling]
144 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
147 * ctsim: imagefile labels are now copied to plotfiles
149 * ctsim: Added more analyze menuitems
151 * ctsimtext: First version. All command-line tools are now accessed
152 through this master shell. Has both command-line and interactive
155 * ctsim: Fixed initialization of min/max bug for PlotFiles
157 * ezplot: Cleaned up y-tick label placement
159 * sgp: Added better support for projection/reconstruction animation
161 3.0.0alpha3 - Released 1/02/01
163 * ctsim: Added plotting of histograms
165 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
167 * ezplot.cpp: adjusted xtick label displays for better placement
169 3.0alpha2 - Released 1/02/01
171 * ctsim: All functions of command-line tools are now in graphical ctsim
173 * ctsim: added generation of filter images
175 * ctsim: Added 2-image math functions (mul, add, div, sub)
177 * ctsim: Added export of imagefiles to graphic file formats
179 * ctsim: Added support for scaling imagefiles in new sizes
181 * ctsim: Added ability to save standard phantom definitions as
182 text files suitable for reading.
184 * ctsim: Add labels for image transformations and display of labels
185 when performing properties of images.
187 * processsignal.cpp: Fixed "off by one" bug in
188 shuffleNaturalToFourierOrder when n is even. Moved functions to
191 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
192 image math functions to complex-valued math.
194 * phantom.cpp: Added ability to save phantom files as ASCII text.
196 3.0alpha1 - Released 12/29/00
198 * Added PlotFile class to system, used by if2 and ctsim for row
199 and column plots and comparison plots
201 * ctsim: Added image comparison statistics and image subtraction
203 * ctsim: Added plotting of rows & columns with y-axis scaling
205 * ctsim: Added row and column plot comparisons between two image
208 * ctsim: Added "Process" menu to image file display with math
209 functions. Added 2-dimensional inverse Fourier to math
210 functions. Added support for complex (real/imaginary) images.
212 * mathfuncs.cpp: Reworked statistics algorithm to share between
213 imagefile and plotfile classes.
215 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
216 nsamples > 2. Added generic mage math functions, moved from
217 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
220 * array2dfile.cpp: Added code to support complex (real/imaginary)
223 * if1: Updated to handle error conditions, such as sqrt of a
224 negative number. Converted to use new ImageFile math functions.
226 * if2: Updated to output plot files and use new ImageFile class
229 * if1: Updated to use new ImageFile class math functions
231 * ezplot: Reworked to better store colors/linestyles/symbols with
232 individual curves. Improved display of labels and ticks. Updated
233 to use POL class member variable. Updated to more C++ conventions.
235 * pol: converted to C++ class. Extracted HashTable to separate
238 * sgp: Added linestyle settings
241 First Microsoft Windows GUI version
242 Modifications for Microsoft Visual C++ compilation.
243 Improved pjinfo to output binary headers and view data, useful
244 when manually compiling phantoms that vary during projection
245 process. Thanks to Ian Kay for idea and code submission.
246 Improved sorting to find median in ImageFile::statistics
247 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
248 Changed reconstruction dialog to fix onto smaller screens
249 Fixed display of plotting in Projection views
250 Improved animation displays for Projections and Reconstructions
251 Changed code to explicitly use std:: namespace rather than
252 "namespace using std" statements
253 Fixed reconstruction scaling bug introduced in 2.0.6
254 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
257 Fixed minor compilation problem with procsignal.h
259 Fixed bug when simulating projections and Trace == CONSOLE
260 Fixed scaling bug when performing redundant rotations around object
263 Improved compilation on RedHat 7
264 Changed some of ANSI C header files to C++ header files
265 Removed README.RedHat7
268 Added documentation for --geometry setting
269 Added README.RedHat7 document
272 Fixed bug in generation of binary PGM files
273 Fixed MPI compilation bug in phm2pj.cpp
274 Inverted y-axis output for pj2if (bug alert from Ian Kay)
277 Additions to man pages (Ian Kay)
278 Fix problem with reading of ASCII phantom files (Ian Kay)
281 Fixed syntax error in fftw configuration
282 Slight modifications to support gcc v2.9.6
285 Version 2.0.0 released!
286 ctsim: Added Window menu to Main frame
287 ctsim: Disabled not support reconstruction method
288 Fixed obscure bug in sys_error
289 Fixed compilation in mingw environment not present
290 Fixed compilation in non-graphical environments
293 ctsim: Added animation of reconstruction
294 ctsim: Added saving of dialog parameters for Projection & Reconstruction
295 ctsim: Added progress dialog for rasterization of phantom
296 ctsim: used setpriority to set lower priority
297 ctsim: fixed pReconstruct not being deleted causing scaling problem
298 ctsim: fixed projection animation dialog buttons
301 ctsim: Added projection graph to animation of projection collection
302 ctsim: Added single stepping to projection collection animation
303 ctsim: improved File/Properties display for projection files
304 ctsim: Added progress dialog for reconstructions
305 ctsim: Added file labels for projection and reconstruction images
306 ctsim: Made File/Properties bring up modal dialogs
307 Added reconstruction for Equilinear and Equiangular geometries
308 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
309 Separated reconstruction into Reconstructor class
310 Fixed center of detector adjustment for even number of detectors
311 Added --enable-static to generate statically linked programs
314 ctsim: Added animation of projection collection processs
315 ctsim: Added Auto Scaling for image windows
316 ctsim: Change menus from "windowing" to "display scaling"
317 Added FieldOfView and FocalLength ratio parameters to projection collection
318 Added FocalLength & FieldOfView fields to projection data files
319 Added Projection collection for Equilinear and Equiangular geometries
320 Changed name of Rowland Phantom to correct name of Shepp-Logan
321 Fixed bug in backprojection selection
324 Added RCS Id strings to executable files
325 Added RPM Spec file for RPM package creation
326 Added loading of ASCII phanthom definitions from files
327 Fixed compilation for non-SGP architectures
328 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
329 Added Filter-Generation option to reconstruction to allow direct or
330 inverse_fourier construction of filters
331 Added median to statistics and to auto-windowing
334 Added line color support to SGP
338 Finished support for dmallocxx library
339 Fixed bug in SignalFilter::convertFilterMethodNameToID()
340 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
341 G2 windows and well as WXWindows.
342 ctsim program: "Create Phantom" now shows phantom object
343 Fixed row-plot bug in if-2
344 Reworked EZPlot's multiple plot operation
347 ctsim program: improved initial size and scroll area for image
349 ctsim program: added rasterization parameters, projections parameters,
350 and reconstruction parameters dialogs
351 Moved char[] static definition from header files to c++ files
352 Completely reorganized option processing in classes to improve
353 expandability and to assist ctsim graphical user interface.
356 ctsim program: Added dialog to set minimum/maximum display levels
357 Started ctsim.tex document file
360 Fixed compiler warnings at -Wall level
361 Began work on CTSim program to be graphical front-end of all functions
362 Moved current src/*.cpp to tools/*.cpp
363 Made CTSim graphical front-end's home to be src/
366 Added highly optimized backprojection method idiff3
367 Moved comparative stats to if-2 program from ifinfo
368 Fixed image display in if2img using G2 library
369 Added column-plot and row-plot options to if-2
370 Added autoselection of analytic/calculated spatial responses to SignalFilter
371 Added frequency-based preinterpolation to SignalFilter and idiff3
372 backprojection method. Currently, this technique is still under
373 development and debugging
374 Moved graphic file writing to ImageFile class from if2img program
377 Cleaned up SignalFilter class
378 Added zeropad option to pjrec
379 Added zeropad options to html and cgi files
380 Added fourier_table and rfttw filter methods
381 Added FFTW routines to use real/half-complex transformations
384 Updated trace level processing
385 Added trace level to SignalFilter
386 Fixed magnitude vs. real output bug in FFT/Fourier filter
389 Fixed const issue with ImageFileArray
390 Fixed Array2dFile::labelsCopy()
391 Added copy constructor and assignment for Array2dFileLabel class
392 Added Timer to if-2.cpp and ifinfo.cpp
393 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
394 Added option processing for filter-method for pjrec to choose
395 between convolution, dft, & fft filtering
396 Fixed format string for EZPlot so axis labels now print
397 Added support for FFTW library
400 Rewrote Array2dFile class to be non-templated
401 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
402 Rewrote Array2dFileLabel class to make members private, added access routines
403 Removed timedate.cpp in favor of standard C library time/date functions
404 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
405 Added signature tag and creation date/time to projection files
408 Standardized string option processing by classes. All classes use character strings
409 to select options rather than numeric constants. Added fail() and failMessage()
410 methods to verify that objects are created correctly by character strings.
411 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
412 Rewrote ImageFile class
413 Started support for dmallocxx library, not finished
414 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
415 Updated ifinfo to show comparative statistics
416 Added printLabels() to Array2dFile class
417 Added printStatistics() to ImageFile class
420 Moved conversion filter name/id to Filter class
421 Moved conversion backprojection name/id to Backproj class
422 Added MPI broadcasting of strings
425 Merged proj_reconstr into class Projections
426 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
427 Code cleanup in projections.cpp
428 Moved conversion of phantom names/id to Phantom class
431 Converted projection files to C++ library with frnetorderstream
432 Converted image files to C++ library with frnetorderstream
433 Converted filter and convolution to object-oriented code
434 Changed default image file to float from double -- Changable in imagefile.h
435 Optimized image file writing on little-endian architectures
436 Updated README and INSTALL
439 Reorganized source files
440 MPI bug fixed to phm2pj.cpp
443 Reorganized include files
444 Fixed const pointers in strfuncs
447 Renamed directories, moved source files, combined source files
448 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
452 Skip versions to make version 2.0 the first fully C++ version
453 Renamed Raysums to Projections throughout files
454 Renamed Detector to Scanner
455 Converted Scanner and Projecions to full object-oriented
458 Converted Phantom and PhantomElements to Object-Oriented
459 Converted Detector to Object-Oriented
462 Improved Integer backprojection method
463 Fixed nearest neighbor to be truly nearest neighbor
464 Made linear interpolation more integer arithmetic -> speed improvement
465 Finished converting all C files to C++
466 Converted all use of malloc/free to C++ new/delete
467 Began object-oriented conversion of Phantom and Projection structures
470 Converted MPI data structures to C++ object
471 Made ImageFile directly inherit from Array2dFile
474 First C++ conversions
475 Portable IF (image file) format implemented with objects (SDF removed)
476 - Now all data files are cross-platform compatible
477 Converted from MPI to MPI++
478 Converted backprojection to object-oriented
479 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
482 Simpilifed endian handling
485 Added support for 64-bit (IA64) CPU
486 Removed broken B-spline interpolation
487 Added support for cygwin platform under Windows 2000
488 Added support for 16-bit PNG graphics
491 Added compile-time configuration of endian order
494 Modified the raysum file format to be platform independent
497 Added Microsoft VC compatibility
498 Cleaned up compilation warnings in libgraph
501 Continued conversion to ANSI C
502 Removed old CRT routines
505 Renamed pictures to phantoms, objects to phantom elements
506 Continued code cleanup
509 More code cleanup with reorganizing libraries
510 Added --log and --exp to sdf-1
511 Allowed negative numbers for window levels in CGI interface
514 Continued code cleanup
518 Better documented, coded raysum in-memory on on-disk options
521 Cleaned out library that wasn't being used by CTSim
522 Modified ctsim.cgi to read in configuration file ctsim.conf
525 First open source distribution for GNU/Linux
528 Converted to GNU/Linux
529 added MPI support via LAM library
532 Developed under MS-DOS and IBM EGA graphics