1 Jun 1, 2002 Version 3.5.4
2 * Print version number in log window with About command
3 * Work around problem with Enlightedment Window Manager
4 not showing captions on image and projection windows.
6 May 29, 2002 Version 3.5.3
7 * Added support for g++ 3.04 compiler
9 May 8, 2002 Version 3.5.2
10 * configure: improved CTN (DICOM) installation search
11 * src/ctsim.cpp: Fixed initial image size with import command
13 May 5, 2002 Version 3.5.1
17 * ctsim: Added tips to be displayed at startup and via the help menu.
18 * ctsim: Added center-detector concept. Allow for detector array
19 to be any arbitrary distance from center of scanner. As a result,
20 projection files are not incompatible with previous version of
22 * ctsim: Added threaded tasks and background manager for
23 background processing as well as taking advantage of multiple-CPU's
24 on SMP systems. (Microsoft Windows only)
25 * ctsim: Added plot t-theta sampling to projection file menu.
26 * ctsim: Added Reconstruction with Rebinning for faster
27 divergent beam reconstructions.
28 * ctsim: Added import and export of DICOM image files.
29 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
30 * ctsim: Added FFT/IFFT of columns of image files.
31 * ctsim: Added clipboard cut/copy/paste for image files.
32 * ctsim: Added region of interest to reconstructions.
33 * ctsim: Added Convert Rectangular Image to Projection files
34 * ctsim: Added "Verbose Logging", "Startup Tips", and
35 "Background processes" options to Preferences dialog.
36 * ctsim: Added plotting of projection file histograms.
37 * plotfile: Added scattergram plot functions
38 * ctsim: Added accelerator key for File-Properties
39 * ctsim: Improved wireframe 3-d display to remove hidden
41 * backprojectors.cpp: Added setting of axis extent and increment
43 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
44 projection data files.
48 * views.cpp: reduced calls to progress bar update, significant speedup
49 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
50 not being displayed on Unix platforms.
51 * views.cpp: Added out-of-memory checks to display for huge
52 image and projection files.
53 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
54 * imagefile.cpp: Fixed scaling factor in fftRows
55 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
57 * sgp.cpp: Fixed bug in drawCircle.
58 * distribution: fixed problem with documentation files not
59 being included with the distribution (Reported by Ian Kay).
60 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
61 * fixed ctsimtext shell when giving no parameters to function-name
62 * phm2if, phm2pj: Updated help messages for renamed phantoms
64 3.0.3 - Released 2/20/01
66 * ctsim: Fixed core dump on Linux with OpenGL
68 * ctsim: Fixed context-sensitive help on Linux
70 * ctsim: Fixed About box on Linux
72 3.0.2 - Released 2/20/01
74 * scanner.cpp: Fixed bug when number of detectors was even.
76 * ctsim: Improved error handling when trying to convert
77 divergent projections into polar form.
79 3.0.1 - Released 2/19/01
81 * ctsim: Fixed dialog box for reconstruction so that
82 rotation angle setting will stay fixed in-between use
85 * syserror: Fixed display bug for trace messages
87 * ctsim: MSVC optimization bug work-around, compiler
90 3.0.0 - Released 2/19/01
92 * ctsim: Massive update/fix to online help and print manual.
94 * ctsim: Added context-sensitive help to dialog boxes
96 * ctsim: Reformated all dialog boxes, much nicer now.
98 * ctsim: Improved accelerator key handling
100 * global: Added Hanning filter.
102 * global: Improved default parameters to that all defaults give
105 3.0.0beta1 - Released 2/11/01
107 * ctsim: Added most-recently-used files to File menu with
108 registry storage between executions.
110 * ctsim: Hides arcane features unless enabled by Preferences dialog
112 * ctsim: Added MDI interface for Windows version and made it default for Windows.
114 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
116 * ctsim: Added graphical About box
118 * ctsim: Escape key now removes cursor lines from image file view
120 * ctsim: Added Revert to ImageFile menu
122 * ctsim: Added accelerator (hotkeys) to frames
124 * ctsim: Online help added!
126 * backprojector: Added cubic interpolation
128 * ctsim: Added icons to Frames on X-Window and MS Windows versions
130 * ctsim: Fixed tick-label placement for plots on projection and
131 reconstruction dialogs.
133 * timer.h: Add use of _ftime when compiling on MSVC
135 * global: Projection files are not compatible with previous version
136 due to new scanner definitions.
138 * global: deleted concept of field-of-view and added
139 view ratio and scan ratio concepts.
141 * ctsim: Fixed crash on shutdown bug
143 * pjinfo: Fixed bug when doing --dump and not specifing --endview
145 * phm2pj: Fixed MPI bug with broadcasting of variables
147 * ctsimtext-lam: Changes for first version to compile under lam
150 3.0.0alpha5 - Released 1/12/00
152 * ctsim: Added EZPlotDialog, used by debugging plots in
155 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
156 bug in parsing command-line parameters.
158 * views.cpp: Fixed bug in copying of labels from images to
161 * syserror.cpp: fixed reporting for fatal errors
163 * projections.cpp: fixed MSVC failure with std:: namespace
165 * procsignal.cpp: fixed bug in equiangular reconstructions
166 for frequency/inverse-fourier filtering
168 3.0.0alpha4 - Released 1/09/01
170 * ctsim: Added reset to full-intensity scale menu item
172 * ctsim: Add conversion of projections to polar plot [Thanks to
173 Ian Kay for reference and math hints in polar bilinear scaling]
175 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
178 * ctsim: imagefile labels are now copied to plotfiles
180 * ctsim: Added more analyze menuitems
182 * ctsimtext: First version. All command-line tools are now accessed
183 through this master shell. Has both command-line and interactive
186 * ctsim: Fixed initialization of min/max bug for PlotFiles
188 * ezplot: Cleaned up y-tick label placement
190 * sgp: Added better support for projection/reconstruction animation
192 3.0.0alpha3 - Released 1/02/01
194 * ctsim: Added plotting of histograms
196 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
198 * ezplot.cpp: adjusted xtick label displays for better placement
200 3.0alpha2 - Released 1/02/01
202 * ctsim: All functions of command-line tools are now in graphical ctsim
204 * ctsim: added generation of filter images
206 * ctsim: Added 2-image math functions (mul, add, div, sub)
208 * ctsim: Added export of imagefiles to graphic file formats
210 * ctsim: Added support for scaling imagefiles in new sizes
212 * ctsim: Added ability to save standard phantom definitions as
213 text files suitable for reading.
215 * ctsim: Add labels for image transformations and display of labels
216 when performing properties of images.
218 * processsignal.cpp: Fixed "off by one" bug in
219 shuffleNaturalToFourierOrder when n is even. Moved functions to
222 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
223 image math functions to complex-valued math.
225 * phantom.cpp: Added ability to save phantom files as ASCII text.
227 3.0alpha1 - Released 12/29/00
229 * Added PlotFile class to system, used by if2 and ctsim for row
230 and column plots and comparison plots
232 * ctsim: Added image comparison statistics and image subtraction
234 * ctsim: Added plotting of rows & columns with y-axis scaling
236 * ctsim: Added row and column plot comparisons between two image
239 * ctsim: Added "Process" menu to image file display with math
240 functions. Added 2-dimensional inverse Fourier to math
241 functions. Added support for complex (real/imaginary) images.
243 * mathfuncs.cpp: Reworked statistics algorithm to share between
244 imagefile and plotfile classes.
246 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
247 nsamples > 2. Added generic mage math functions, moved from
248 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
251 * array2dfile.cpp: Added code to support complex (real/imaginary)
254 * if1: Updated to handle error conditions, such as sqrt of a
255 negative number. Converted to use new ImageFile math functions.
257 * if2: Updated to output plot files and use new ImageFile class
260 * if1: Updated to use new ImageFile class math functions
262 * ezplot: Reworked to better store colors/linestyles/symbols with
263 individual curves. Improved display of labels and ticks. Updated
264 to use POL class member variable. Updated to more C++ conventions.
266 * pol: converted to C++ class. Extracted HashTable to separate
269 * sgp: Added linestyle settings
272 First Microsoft Windows GUI version
273 Modifications for Microsoft Visual C++ compilation.
274 Improved pjinfo to output binary headers and view data, useful
275 when manually compiling phantoms that vary during projection
276 process. Thanks to Ian Kay for idea and code submission.
277 Improved sorting to find median in ImageFile::statistics
278 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
279 Changed reconstruction dialog to fix onto smaller screens
280 Fixed display of plotting in Projection views
281 Improved animation displays for Projections and Reconstructions
282 Changed code to explicitly use std:: namespace rather than
283 "namespace using std" statements
284 Fixed reconstruction scaling bug introduced in 2.0.6
285 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
288 Fixed minor compilation problem with procsignal.h
290 Fixed bug when simulating projections and Trace == CONSOLE
291 Fixed scaling bug when performing redundant rotations around object
294 Improved compilation on RedHat 7
295 Changed some of ANSI C header files to C++ header files
296 Removed README.RedHat7
299 Added documentation for --geometry setting
300 Added README.RedHat7 document
303 Fixed bug in generation of binary PGM files
304 Fixed MPI compilation bug in phm2pj.cpp
305 Inverted y-axis output for pj2if (bug alert from Ian Kay)
308 Additions to man pages (Ian Kay)
309 Fix problem with reading of ASCII phantom files (Ian Kay)
312 Fixed syntax error in fftw configuration
313 Slight modifications to support gcc v2.9.6
316 Version 2.0.0 released!
317 ctsim: Added Window menu to Main frame
318 ctsim: Disabled not support reconstruction method
319 Fixed obscure bug in sys_error
320 Fixed compilation in mingw environment not present
321 Fixed compilation in non-graphical environments
324 ctsim: Added animation of reconstruction
325 ctsim: Added saving of dialog parameters for Projection & Reconstruction
326 ctsim: Added progress dialog for rasterization of phantom
327 ctsim: used setpriority to set lower priority
328 ctsim: fixed pReconstruct not being deleted causing scaling problem
329 ctsim: fixed projection animation dialog buttons
332 ctsim: Added projection graph to animation of projection collection
333 ctsim: Added single stepping to projection collection animation
334 ctsim: improved File/Properties display for projection files
335 ctsim: Added progress dialog for reconstructions
336 ctsim: Added file labels for projection and reconstruction images
337 ctsim: Made File/Properties bring up modal dialogs
338 Added reconstruction for Equilinear and Equiangular geometries
339 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
340 Separated reconstruction into Reconstructor class
341 Fixed center of detector adjustment for even number of detectors
342 Added --enable-static to generate statically linked programs
345 ctsim: Added animation of projection collection processs
346 ctsim: Added Auto Scaling for image windows
347 ctsim: Change menus from "windowing" to "display scaling"
348 Added FieldOfView and FocalLength ratio parameters to projection collection
349 Added FocalLength & FieldOfView fields to projection data files
350 Added Projection collection for Equilinear and Equiangular geometries
351 Changed name of Rowland Phantom to correct name of Shepp-Logan
352 Fixed bug in backprojection selection
355 Added RCS Id strings to executable files
356 Added RPM Spec file for RPM package creation
357 Added loading of ASCII phanthom definitions from files
358 Fixed compilation for non-SGP architectures
359 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
360 Added Filter-Generation option to reconstruction to allow direct or
361 inverse_fourier construction of filters
362 Added median to statistics and to auto-windowing
365 Added line color support to SGP
369 Finished support for dmallocxx library
370 Fixed bug in SignalFilter::convertFilterMethodNameToID()
371 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
372 G2 windows and well as WXWindows.
373 ctsim program: "Create Phantom" now shows phantom object
374 Fixed row-plot bug in if-2
375 Reworked EZPlot's multiple plot operation
378 ctsim program: improved initial size and scroll area for image
380 ctsim program: added rasterization parameters, projections parameters,
381 and reconstruction parameters dialogs
382 Moved char[] static definition from header files to c++ files
383 Completely reorganized option processing in classes to improve
384 expandability and to assist ctsim graphical user interface.
387 ctsim program: Added dialog to set minimum/maximum display levels
388 Started ctsim.tex document file
391 Fixed compiler warnings at -Wall level
392 Began work on CTSim program to be graphical front-end of all functions
393 Moved current src/*.cpp to tools/*.cpp
394 Made CTSim graphical front-end's home to be src/
397 Added highly optimized backprojection method idiff3
398 Moved comparative stats to if-2 program from ifinfo
399 Fixed image display in if2img using G2 library
400 Added column-plot and row-plot options to if-2
401 Added autoselection of analytic/calculated spatial responses to SignalFilter
402 Added frequency-based preinterpolation to SignalFilter and idiff3
403 backprojection method. Currently, this technique is still under
404 development and debugging
405 Moved graphic file writing to ImageFile class from if2img program
408 Cleaned up SignalFilter class
409 Added zeropad option to pjrec
410 Added zeropad options to html and cgi files
411 Added fourier_table and rfttw filter methods
412 Added FFTW routines to use real/half-complex transformations
415 Updated trace level processing
416 Added trace level to SignalFilter
417 Fixed magnitude vs. real output bug in FFT/Fourier filter
420 Fixed const issue with ImageFileArray
421 Fixed Array2dFile::labelsCopy()
422 Added copy constructor and assignment for Array2dFileLabel class
423 Added Timer to if-2.cpp and ifinfo.cpp
424 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
425 Added option processing for filter-method for pjrec to choose
426 between convolution, dft, & fft filtering
427 Fixed format string for EZPlot so axis labels now print
428 Added support for FFTW library
431 Rewrote Array2dFile class to be non-templated
432 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
433 Rewrote Array2dFileLabel class to make members private, added access routines
434 Removed timedate.cpp in favor of standard C library time/date functions
435 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
436 Added signature tag and creation date/time to projection files
439 Standardized string option processing by classes. All classes use character strings
440 to select options rather than numeric constants. Added fail() and failMessage()
441 methods to verify that objects are created correctly by character strings.
442 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
443 Rewrote ImageFile class
444 Started support for dmallocxx library, not finished
445 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
446 Updated ifinfo to show comparative statistics
447 Added printLabels() to Array2dFile class
448 Added printStatistics() to ImageFile class
451 Moved conversion filter name/id to Filter class
452 Moved conversion backprojection name/id to Backproj class
453 Added MPI broadcasting of strings
456 Merged proj_reconstr into class Projections
457 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
458 Code cleanup in projections.cpp
459 Moved conversion of phantom names/id to Phantom class
462 Converted projection files to C++ library with frnetorderstream
463 Converted image files to C++ library with frnetorderstream
464 Converted filter and convolution to object-oriented code
465 Changed default image file to float from double -- Changable in imagefile.h
466 Optimized image file writing on little-endian architectures
467 Updated README and INSTALL
470 Reorganized source files
471 MPI bug fixed to phm2pj.cpp
474 Reorganized include files
475 Fixed const pointers in strfuncs
478 Renamed directories, moved source files, combined source files
479 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
483 Skip versions to make version 2.0 the first fully C++ version
484 Renamed Raysums to Projections throughout files
485 Renamed Detector to Scanner
486 Converted Scanner and Projecions to full object-oriented
489 Converted Phantom and PhantomElements to Object-Oriented
490 Converted Detector to Object-Oriented
493 Improved Integer backprojection method
494 Fixed nearest neighbor to be truly nearest neighbor
495 Made linear interpolation more integer arithmetic -> speed improvement
496 Finished converting all C files to C++
497 Converted all use of malloc/free to C++ new/delete
498 Began object-oriented conversion of Phantom and Projection structures
501 Converted MPI data structures to C++ object
502 Made ImageFile directly inherit from Array2dFile
505 First C++ conversions
506 Portable IF (image file) format implemented with objects (SDF removed)
507 - Now all data files are cross-platform compatible
508 Converted from MPI to MPI++
509 Converted backprojection to object-oriented
510 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
513 Simpilifed endian handling
516 Added support for 64-bit (IA64) CPU
517 Removed broken B-spline interpolation
518 Added support for cygwin platform under Windows 2000
519 Added support for 16-bit PNG graphics
522 Added compile-time configuration of endian order
525 Modified the raysum file format to be platform independent
528 Added Microsoft VC compatibility
529 Cleaned up compilation warnings in libgraph
532 Continued conversion to ANSI C
533 Removed old CRT routines
536 Renamed pictures to phantoms, objects to phantom elements
537 Continued code cleanup
540 More code cleanup with reorganizing libraries
541 Added --log and --exp to sdf-1
542 Allowed negative numbers for window levels in CGI interface
545 Continued code cleanup
549 Better documented, coded raysum in-memory on on-disk options
552 Cleaned out library that wasn't being used by CTSim
553 Modified ctsim.cgi to read in configuration file ctsim.conf
556 First open source distribution for GNU/Linux
559 Converted to GNU/Linux
560 added MPI support via LAM library
563 Developed under MS-DOS and IBM EGA graphics