1 Jun 1, 2002 Version 3.5.4
2 * Print version number in log window with About command
3 * Fix problem with captions not showing on some windows.
5 May 29, 2002 Version 3.5.3
6 * Added support for g++ 3.04 compiler
8 May 8, 2002 Version 3.5.2
9 * configure: improved CTN (DICOM) installation search
10 * src/ctsim.cpp: Fixed initial image size with import command
12 May 5, 2002 Version 3.5.1
16 * ctsim: Added tips to be displayed at startup and via the help menu.
17 * ctsim: Added center-detector concept. Allow for detector array
18 to be any arbitrary distance from center of scanner. As a result,
19 projection files are not incompatible with previous version of
21 * ctsim: Added threaded tasks and background manager for
22 background processing as well as taking advantage of multiple-CPU's
23 on SMP systems. (Microsoft Windows only)
24 * ctsim: Added plot t-theta sampling to projection file menu.
25 * ctsim: Added Reconstruction with Rebinning for faster
26 divergent beam reconstructions.
27 * ctsim: Added import and export of DICOM image files.
28 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
29 * ctsim: Added FFT/IFFT of columns of image files.
30 * ctsim: Added clipboard cut/copy/paste for image files.
31 * ctsim: Added region of interest to reconstructions.
32 * ctsim: Added Convert Rectangular Image to Projection files
33 * ctsim: Added "Verbose Logging", "Startup Tips", and
34 "Background processes" options to Preferences dialog.
35 * ctsim: Added plotting of projection file histograms.
36 * plotfile: Added scattergram plot functions
37 * ctsim: Added accelerator key for File-Properties
38 * ctsim: Improved wireframe 3-d display to remove hidden
40 * backprojectors.cpp: Added setting of axis extent and increment
42 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
43 projection data files.
47 * views.cpp: reduced calls to progress bar update, significant speedup
48 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
49 not being displayed on Unix platforms.
50 * views.cpp: Added out-of-memory checks to display for huge
51 image and projection files.
52 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
53 * imagefile.cpp: Fixed scaling factor in fftRows
54 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
56 * sgp.cpp: Fixed bug in drawCircle.
57 * distribution: fixed problem with documentation files not
58 being included with the distribution (Reported by Ian Kay).
59 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
60 * fixed ctsimtext shell when giving no parameters to function-name
61 * phm2if, phm2pj: Updated help messages for renamed phantoms
63 3.0.3 - Released 2/20/01
65 * ctsim: Fixed core dump on Linux with OpenGL
67 * ctsim: Fixed context-sensitive help on Linux
69 * ctsim: Fixed About box on Linux
71 3.0.2 - Released 2/20/01
73 * scanner.cpp: Fixed bug when number of detectors was even.
75 * ctsim: Improved error handling when trying to convert
76 divergent projections into polar form.
78 3.0.1 - Released 2/19/01
80 * ctsim: Fixed dialog box for reconstruction so that
81 rotation angle setting will stay fixed in-between use
84 * syserror: Fixed display bug for trace messages
86 * ctsim: MSVC optimization bug work-around, compiler
89 3.0.0 - Released 2/19/01
91 * ctsim: Massive update/fix to online help and print manual.
93 * ctsim: Added context-sensitive help to dialog boxes
95 * ctsim: Reformated all dialog boxes, much nicer now.
97 * ctsim: Improved accelerator key handling
99 * global: Added Hanning filter.
101 * global: Improved default parameters to that all defaults give
104 3.0.0beta1 - Released 2/11/01
106 * ctsim: Added most-recently-used files to File menu with
107 registry storage between executions.
109 * ctsim: Hides arcane features unless enabled by Preferences dialog
111 * ctsim: Added MDI interface for Windows version and made it default for Windows.
113 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
115 * ctsim: Added graphical About box
117 * ctsim: Escape key now removes cursor lines from image file view
119 * ctsim: Added Revert to ImageFile menu
121 * ctsim: Added accelerator (hotkeys) to frames
123 * ctsim: Online help added!
125 * backprojector: Added cubic interpolation
127 * ctsim: Added icons to Frames on X-Window and MS Windows versions
129 * ctsim: Fixed tick-label placement for plots on projection and
130 reconstruction dialogs.
132 * timer.h: Add use of _ftime when compiling on MSVC
134 * global: Projection files are not compatible with previous version
135 due to new scanner definitions.
137 * global: deleted concept of field-of-view and added
138 view ratio and scan ratio concepts.
140 * ctsim: Fixed crash on shutdown bug
142 * pjinfo: Fixed bug when doing --dump and not specifing --endview
144 * phm2pj: Fixed MPI bug with broadcasting of variables
146 * ctsimtext-lam: Changes for first version to compile under lam
149 3.0.0alpha5 - Released 1/12/00
151 * ctsim: Added EZPlotDialog, used by debugging plots in
154 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
155 bug in parsing command-line parameters.
157 * views.cpp: Fixed bug in copying of labels from images to
160 * syserror.cpp: fixed reporting for fatal errors
162 * projections.cpp: fixed MSVC failure with std:: namespace
164 * procsignal.cpp: fixed bug in equiangular reconstructions
165 for frequency/inverse-fourier filtering
167 3.0.0alpha4 - Released 1/09/01
169 * ctsim: Added reset to full-intensity scale menu item
171 * ctsim: Add conversion of projections to polar plot [Thanks to
172 Ian Kay for reference and math hints in polar bilinear scaling]
174 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
177 * ctsim: imagefile labels are now copied to plotfiles
179 * ctsim: Added more analyze menuitems
181 * ctsimtext: First version. All command-line tools are now accessed
182 through this master shell. Has both command-line and interactive
185 * ctsim: Fixed initialization of min/max bug for PlotFiles
187 * ezplot: Cleaned up y-tick label placement
189 * sgp: Added better support for projection/reconstruction animation
191 3.0.0alpha3 - Released 1/02/01
193 * ctsim: Added plotting of histograms
195 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
197 * ezplot.cpp: adjusted xtick label displays for better placement
199 3.0alpha2 - Released 1/02/01
201 * ctsim: All functions of command-line tools are now in graphical ctsim
203 * ctsim: added generation of filter images
205 * ctsim: Added 2-image math functions (mul, add, div, sub)
207 * ctsim: Added export of imagefiles to graphic file formats
209 * ctsim: Added support for scaling imagefiles in new sizes
211 * ctsim: Added ability to save standard phantom definitions as
212 text files suitable for reading.
214 * ctsim: Add labels for image transformations and display of labels
215 when performing properties of images.
217 * processsignal.cpp: Fixed "off by one" bug in
218 shuffleNaturalToFourierOrder when n is even. Moved functions to
221 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
222 image math functions to complex-valued math.
224 * phantom.cpp: Added ability to save phantom files as ASCII text.
226 3.0alpha1 - Released 12/29/00
228 * Added PlotFile class to system, used by if2 and ctsim for row
229 and column plots and comparison plots
231 * ctsim: Added image comparison statistics and image subtraction
233 * ctsim: Added plotting of rows & columns with y-axis scaling
235 * ctsim: Added row and column plot comparisons between two image
238 * ctsim: Added "Process" menu to image file display with math
239 functions. Added 2-dimensional inverse Fourier to math
240 functions. Added support for complex (real/imaginary) images.
242 * mathfuncs.cpp: Reworked statistics algorithm to share between
243 imagefile and plotfile classes.
245 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
246 nsamples > 2. Added generic mage math functions, moved from
247 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
250 * array2dfile.cpp: Added code to support complex (real/imaginary)
253 * if1: Updated to handle error conditions, such as sqrt of a
254 negative number. Converted to use new ImageFile math functions.
256 * if2: Updated to output plot files and use new ImageFile class
259 * if1: Updated to use new ImageFile class math functions
261 * ezplot: Reworked to better store colors/linestyles/symbols with
262 individual curves. Improved display of labels and ticks. Updated
263 to use POL class member variable. Updated to more C++ conventions.
265 * pol: converted to C++ class. Extracted HashTable to separate
268 * sgp: Added linestyle settings
271 First Microsoft Windows GUI version
272 Modifications for Microsoft Visual C++ compilation.
273 Improved pjinfo to output binary headers and view data, useful
274 when manually compiling phantoms that vary during projection
275 process. Thanks to Ian Kay for idea and code submission.
276 Improved sorting to find median in ImageFile::statistics
277 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
278 Changed reconstruction dialog to fix onto smaller screens
279 Fixed display of plotting in Projection views
280 Improved animation displays for Projections and Reconstructions
281 Changed code to explicitly use std:: namespace rather than
282 "namespace using std" statements
283 Fixed reconstruction scaling bug introduced in 2.0.6
284 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
287 Fixed minor compilation problem with procsignal.h
289 Fixed bug when simulating projections and Trace == CONSOLE
290 Fixed scaling bug when performing redundant rotations around object
293 Improved compilation on RedHat 7
294 Changed some of ANSI C header files to C++ header files
295 Removed README.RedHat7
298 Added documentation for --geometry setting
299 Added README.RedHat7 document
302 Fixed bug in generation of binary PGM files
303 Fixed MPI compilation bug in phm2pj.cpp
304 Inverted y-axis output for pj2if (bug alert from Ian Kay)
307 Additions to man pages (Ian Kay)
308 Fix problem with reading of ASCII phantom files (Ian Kay)
311 Fixed syntax error in fftw configuration
312 Slight modifications to support gcc v2.9.6
315 Version 2.0.0 released!
316 ctsim: Added Window menu to Main frame
317 ctsim: Disabled not support reconstruction method
318 Fixed obscure bug in sys_error
319 Fixed compilation in mingw environment not present
320 Fixed compilation in non-graphical environments
323 ctsim: Added animation of reconstruction
324 ctsim: Added saving of dialog parameters for Projection & Reconstruction
325 ctsim: Added progress dialog for rasterization of phantom
326 ctsim: used setpriority to set lower priority
327 ctsim: fixed pReconstruct not being deleted causing scaling problem
328 ctsim: fixed projection animation dialog buttons
331 ctsim: Added projection graph to animation of projection collection
332 ctsim: Added single stepping to projection collection animation
333 ctsim: improved File/Properties display for projection files
334 ctsim: Added progress dialog for reconstructions
335 ctsim: Added file labels for projection and reconstruction images
336 ctsim: Made File/Properties bring up modal dialogs
337 Added reconstruction for Equilinear and Equiangular geometries
338 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
339 Separated reconstruction into Reconstructor class
340 Fixed center of detector adjustment for even number of detectors
341 Added --enable-static to generate statically linked programs
344 ctsim: Added animation of projection collection processs
345 ctsim: Added Auto Scaling for image windows
346 ctsim: Change menus from "windowing" to "display scaling"
347 Added FieldOfView and FocalLength ratio parameters to projection collection
348 Added FocalLength & FieldOfView fields to projection data files
349 Added Projection collection for Equilinear and Equiangular geometries
350 Changed name of Rowland Phantom to correct name of Shepp-Logan
351 Fixed bug in backprojection selection
354 Added RCS Id strings to executable files
355 Added RPM Spec file for RPM package creation
356 Added loading of ASCII phanthom definitions from files
357 Fixed compilation for non-SGP architectures
358 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
359 Added Filter-Generation option to reconstruction to allow direct or
360 inverse_fourier construction of filters
361 Added median to statistics and to auto-windowing
364 Added line color support to SGP
368 Finished support for dmallocxx library
369 Fixed bug in SignalFilter::convertFilterMethodNameToID()
370 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
371 G2 windows and well as WXWindows.
372 ctsim program: "Create Phantom" now shows phantom object
373 Fixed row-plot bug in if-2
374 Reworked EZPlot's multiple plot operation
377 ctsim program: improved initial size and scroll area for image
379 ctsim program: added rasterization parameters, projections parameters,
380 and reconstruction parameters dialogs
381 Moved char[] static definition from header files to c++ files
382 Completely reorganized option processing in classes to improve
383 expandability and to assist ctsim graphical user interface.
386 ctsim program: Added dialog to set minimum/maximum display levels
387 Started ctsim.tex document file
390 Fixed compiler warnings at -Wall level
391 Began work on CTSim program to be graphical front-end of all functions
392 Moved current src/*.cpp to tools/*.cpp
393 Made CTSim graphical front-end's home to be src/
396 Added highly optimized backprojection method idiff3
397 Moved comparative stats to if-2 program from ifinfo
398 Fixed image display in if2img using G2 library
399 Added column-plot and row-plot options to if-2
400 Added autoselection of analytic/calculated spatial responses to SignalFilter
401 Added frequency-based preinterpolation to SignalFilter and idiff3
402 backprojection method. Currently, this technique is still under
403 development and debugging
404 Moved graphic file writing to ImageFile class from if2img program
407 Cleaned up SignalFilter class
408 Added zeropad option to pjrec
409 Added zeropad options to html and cgi files
410 Added fourier_table and rfttw filter methods
411 Added FFTW routines to use real/half-complex transformations
414 Updated trace level processing
415 Added trace level to SignalFilter
416 Fixed magnitude vs. real output bug in FFT/Fourier filter
419 Fixed const issue with ImageFileArray
420 Fixed Array2dFile::labelsCopy()
421 Added copy constructor and assignment for Array2dFileLabel class
422 Added Timer to if-2.cpp and ifinfo.cpp
423 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
424 Added option processing for filter-method for pjrec to choose
425 between convolution, dft, & fft filtering
426 Fixed format string for EZPlot so axis labels now print
427 Added support for FFTW library
430 Rewrote Array2dFile class to be non-templated
431 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
432 Rewrote Array2dFileLabel class to make members private, added access routines
433 Removed timedate.cpp in favor of standard C library time/date functions
434 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
435 Added signature tag and creation date/time to projection files
438 Standardized string option processing by classes. All classes use character strings
439 to select options rather than numeric constants. Added fail() and failMessage()
440 methods to verify that objects are created correctly by character strings.
441 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
442 Rewrote ImageFile class
443 Started support for dmallocxx library, not finished
444 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
445 Updated ifinfo to show comparative statistics
446 Added printLabels() to Array2dFile class
447 Added printStatistics() to ImageFile class
450 Moved conversion filter name/id to Filter class
451 Moved conversion backprojection name/id to Backproj class
452 Added MPI broadcasting of strings
455 Merged proj_reconstr into class Projections
456 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
457 Code cleanup in projections.cpp
458 Moved conversion of phantom names/id to Phantom class
461 Converted projection files to C++ library with frnetorderstream
462 Converted image files to C++ library with frnetorderstream
463 Converted filter and convolution to object-oriented code
464 Changed default image file to float from double -- Changable in imagefile.h
465 Optimized image file writing on little-endian architectures
466 Updated README and INSTALL
469 Reorganized source files
470 MPI bug fixed to phm2pj.cpp
473 Reorganized include files
474 Fixed const pointers in strfuncs
477 Renamed directories, moved source files, combined source files
478 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
482 Skip versions to make version 2.0 the first fully C++ version
483 Renamed Raysums to Projections throughout files
484 Renamed Detector to Scanner
485 Converted Scanner and Projecions to full object-oriented
488 Converted Phantom and PhantomElements to Object-Oriented
489 Converted Detector to Object-Oriented
492 Improved Integer backprojection method
493 Fixed nearest neighbor to be truly nearest neighbor
494 Made linear interpolation more integer arithmetic -> speed improvement
495 Finished converting all C files to C++
496 Converted all use of malloc/free to C++ new/delete
497 Began object-oriented conversion of Phantom and Projection structures
500 Converted MPI data structures to C++ object
501 Made ImageFile directly inherit from Array2dFile
504 First C++ conversions
505 Portable IF (image file) format implemented with objects (SDF removed)
506 - Now all data files are cross-platform compatible
507 Converted from MPI to MPI++
508 Converted backprojection to object-oriented
509 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
512 Simpilifed endian handling
515 Added support for 64-bit (IA64) CPU
516 Removed broken B-spline interpolation
517 Added support for cygwin platform under Windows 2000
518 Added support for 16-bit PNG graphics
521 Added compile-time configuration of endian order
524 Modified the raysum file format to be platform independent
527 Added Microsoft VC compatibility
528 Cleaned up compilation warnings in libgraph
531 Continued conversion to ANSI C
532 Removed old CRT routines
535 Renamed pictures to phantoms, objects to phantom elements
536 Continued code cleanup
539 More code cleanup with reorganizing libraries
540 Added --log and --exp to sdf-1
541 Allowed negative numbers for window levels in CGI interface
544 Continued code cleanup
548 Better documented, coded raysum in-memory on on-disk options
551 Cleaned out library that wasn't being used by CTSim
552 Modified ctsim.cgi to read in configuration file ctsim.conf
555 First open source distribution for GNU/Linux
558 Converted to GNU/Linux
559 added MPI support via LAM library
562 Developed under MS-DOS and IBM EGA graphics