1 Jul 1, 2002 Version 3.5.5
3 * Fix printing of version number
7 * Updated Win32 compatibility
9 Jun 8, 2002 Version 3.5.4
11 * Print version number in log window with About command
13 * Fix problem with captions not showing on some windows. Reworked
14 creation of new windows.
16 * Disabled status bar on 3d views
18 * Fix bug in configure.ac that prevented using compiler
21 * Updated About splash screen
23 May 29, 2002 Version 3.5.3
24 * Added support for g++ 3.04 compiler
26 May 8, 2002 Version 3.5.2
27 * configure: improved CTN (DICOM) installation search
28 * src/ctsim.cpp: Fixed initial image size with import command
30 May 5, 2002 Version 3.5.1
34 * ctsim: Added tips to be displayed at startup and via the help menu.
35 * ctsim: Added center-detector concept. Allow for detector array
36 to be any arbitrary distance from center of scanner. As a result,
37 projection files are not incompatible with previous version of
39 * ctsim: Added threaded tasks and background manager for
40 background processing as well as taking advantage of multiple-CPU's
41 on SMP systems. (Microsoft Windows only)
42 * ctsim: Added plot t-theta sampling to projection file menu.
43 * ctsim: Added Reconstruction with Rebinning for faster
44 divergent beam reconstructions.
45 * ctsim: Added import and export of DICOM image files.
46 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
47 * ctsim: Added FFT/IFFT of columns of image files.
48 * ctsim: Added clipboard cut/copy/paste for image files.
49 * ctsim: Added region of interest to reconstructions.
50 * ctsim: Added Convert Rectangular Image to Projection files
51 * ctsim: Added "Verbose Logging", "Startup Tips", and
52 "Background processes" options to Preferences dialog.
53 * ctsim: Added plotting of projection file histograms.
54 * plotfile: Added scattergram plot functions
55 * ctsim: Added accelerator key for File-Properties
56 * ctsim: Improved wireframe 3-d display to remove hidden
58 * backprojectors.cpp: Added setting of axis extent and increment
60 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
61 projection data files.
65 * views.cpp: reduced calls to progress bar update, significant speedup
66 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
67 not being displayed on Unix platforms.
68 * views.cpp: Added out-of-memory checks to display for huge
69 image and projection files.
70 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
71 * imagefile.cpp: Fixed scaling factor in fftRows
72 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
74 * sgp.cpp: Fixed bug in drawCircle.
75 * distribution: fixed problem with documentation files not
76 being included with the distribution (Reported by Ian Kay).
77 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
78 * fixed ctsimtext shell when giving no parameters to function-name
79 * phm2if, phm2pj: Updated help messages for renamed phantoms
81 3.0.3 - Released 2/20/01
83 * ctsim: Fixed core dump on Linux with OpenGL
85 * ctsim: Fixed context-sensitive help on Linux
87 * ctsim: Fixed About box on Linux
89 3.0.2 - Released 2/20/01
91 * scanner.cpp: Fixed bug when number of detectors was even.
93 * ctsim: Improved error handling when trying to convert
94 divergent projections into polar form.
96 3.0.1 - Released 2/19/01
98 * ctsim: Fixed dialog box for reconstruction so that
99 rotation angle setting will stay fixed in-between use
102 * syserror: Fixed display bug for trace messages
104 * ctsim: MSVC optimization bug work-around, compiler
107 3.0.0 - Released 2/19/01
109 * ctsim: Massive update/fix to online help and print manual.
111 * ctsim: Added context-sensitive help to dialog boxes
113 * ctsim: Reformated all dialog boxes, much nicer now.
115 * ctsim: Improved accelerator key handling
117 * global: Added Hanning filter.
119 * global: Improved default parameters to that all defaults give
122 3.0.0beta1 - Released 2/11/01
124 * ctsim: Added most-recently-used files to File menu with
125 registry storage between executions.
127 * ctsim: Hides arcane features unless enabled by Preferences dialog
129 * ctsim: Added MDI interface for Windows version and made it default for Windows.
131 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
133 * ctsim: Added graphical About box
135 * ctsim: Escape key now removes cursor lines from image file view
137 * ctsim: Added Revert to ImageFile menu
139 * ctsim: Added accelerator (hotkeys) to frames
141 * ctsim: Online help added!
143 * backprojector: Added cubic interpolation
145 * ctsim: Added icons to Frames on X-Window and MS Windows versions
147 * ctsim: Fixed tick-label placement for plots on projection and
148 reconstruction dialogs.
150 * timer.h: Add use of _ftime when compiling on MSVC
152 * global: Projection files are not compatible with previous version
153 due to new scanner definitions.
155 * global: deleted concept of field-of-view and added
156 view ratio and scan ratio concepts.
158 * ctsim: Fixed crash on shutdown bug
160 * pjinfo: Fixed bug when doing --dump and not specifing --endview
162 * phm2pj: Fixed MPI bug with broadcasting of variables
164 * ctsimtext-lam: Changes for first version to compile under lam
167 3.0.0alpha5 - Released 1/12/00
169 * ctsim: Added EZPlotDialog, used by debugging plots in
172 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
173 bug in parsing command-line parameters.
175 * views.cpp: Fixed bug in copying of labels from images to
178 * syserror.cpp: fixed reporting for fatal errors
180 * projections.cpp: fixed MSVC failure with std:: namespace
182 * procsignal.cpp: fixed bug in equiangular reconstructions
183 for frequency/inverse-fourier filtering
185 3.0.0alpha4 - Released 1/09/01
187 * ctsim: Added reset to full-intensity scale menu item
189 * ctsim: Add conversion of projections to polar plot [Thanks to
190 Ian Kay for reference and math hints in polar bilinear scaling]
192 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
195 * ctsim: imagefile labels are now copied to plotfiles
197 * ctsim: Added more analyze menuitems
199 * ctsimtext: First version. All command-line tools are now accessed
200 through this master shell. Has both command-line and interactive
203 * ctsim: Fixed initialization of min/max bug for PlotFiles
205 * ezplot: Cleaned up y-tick label placement
207 * sgp: Added better support for projection/reconstruction animation
209 3.0.0alpha3 - Released 1/02/01
211 * ctsim: Added plotting of histograms
213 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
215 * ezplot.cpp: adjusted xtick label displays for better placement
217 3.0alpha2 - Released 1/02/01
219 * ctsim: All functions of command-line tools are now in graphical ctsim
221 * ctsim: added generation of filter images
223 * ctsim: Added 2-image math functions (mul, add, div, sub)
225 * ctsim: Added export of imagefiles to graphic file formats
227 * ctsim: Added support for scaling imagefiles in new sizes
229 * ctsim: Added ability to save standard phantom definitions as
230 text files suitable for reading.
232 * ctsim: Add labels for image transformations and display of labels
233 when performing properties of images.
235 * processsignal.cpp: Fixed "off by one" bug in
236 shuffleNaturalToFourierOrder when n is even. Moved functions to
239 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
240 image math functions to complex-valued math.
242 * phantom.cpp: Added ability to save phantom files as ASCII text.
244 3.0alpha1 - Released 12/29/00
246 * Added PlotFile class to system, used by if2 and ctsim for row
247 and column plots and comparison plots
249 * ctsim: Added image comparison statistics and image subtraction
251 * ctsim: Added plotting of rows & columns with y-axis scaling
253 * ctsim: Added row and column plot comparisons between two image
256 * ctsim: Added "Process" menu to image file display with math
257 functions. Added 2-dimensional inverse Fourier to math
258 functions. Added support for complex (real/imaginary) images.
260 * mathfuncs.cpp: Reworked statistics algorithm to share between
261 imagefile and plotfile classes.
263 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
264 nsamples > 2. Added generic mage math functions, moved from
265 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
268 * array2dfile.cpp: Added code to support complex (real/imaginary)
271 * if1: Updated to handle error conditions, such as sqrt of a
272 negative number. Converted to use new ImageFile math functions.
274 * if2: Updated to output plot files and use new ImageFile class
277 * if1: Updated to use new ImageFile class math functions
279 * ezplot: Reworked to better store colors/linestyles/symbols with
280 individual curves. Improved display of labels and ticks. Updated
281 to use POL class member variable. Updated to more C++ conventions.
283 * pol: converted to C++ class. Extracted HashTable to separate
286 * sgp: Added linestyle settings
289 First Microsoft Windows GUI version
290 Modifications for Microsoft Visual C++ compilation.
291 Improved pjinfo to output binary headers and view data, useful
292 when manually compiling phantoms that vary during projection
293 process. Thanks to Ian Kay for idea and code submission.
294 Improved sorting to find median in ImageFile::statistics
295 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
296 Changed reconstruction dialog to fix onto smaller screens
297 Fixed display of plotting in Projection views
298 Improved animation displays for Projections and Reconstructions
299 Changed code to explicitly use std:: namespace rather than
300 "namespace using std" statements
301 Fixed reconstruction scaling bug introduced in 2.0.6
302 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
305 Fixed minor compilation problem with procsignal.h
307 Fixed bug when simulating projections and Trace == CONSOLE
308 Fixed scaling bug when performing redundant rotations around object
311 Improved compilation on RedHat 7
312 Changed some of ANSI C header files to C++ header files
313 Removed README.RedHat7
316 Added documentation for --geometry setting
317 Added README.RedHat7 document
320 Fixed bug in generation of binary PGM files
321 Fixed MPI compilation bug in phm2pj.cpp
322 Inverted y-axis output for pj2if (bug alert from Ian Kay)
325 Additions to man pages (Ian Kay)
326 Fix problem with reading of ASCII phantom files (Ian Kay)
329 Fixed syntax error in fftw configuration
330 Slight modifications to support gcc v2.9.6
333 Version 2.0.0 released!
334 ctsim: Added Window menu to Main frame
335 ctsim: Disabled not support reconstruction method
336 Fixed obscure bug in sys_error
337 Fixed compilation in mingw environment not present
338 Fixed compilation in non-graphical environments
341 ctsim: Added animation of reconstruction
342 ctsim: Added saving of dialog parameters for Projection & Reconstruction
343 ctsim: Added progress dialog for rasterization of phantom
344 ctsim: used setpriority to set lower priority
345 ctsim: fixed pReconstruct not being deleted causing scaling problem
346 ctsim: fixed projection animation dialog buttons
349 ctsim: Added projection graph to animation of projection collection
350 ctsim: Added single stepping to projection collection animation
351 ctsim: improved File/Properties display for projection files
352 ctsim: Added progress dialog for reconstructions
353 ctsim: Added file labels for projection and reconstruction images
354 ctsim: Made File/Properties bring up modal dialogs
355 Added reconstruction for Equilinear and Equiangular geometries
356 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
357 Separated reconstruction into Reconstructor class
358 Fixed center of detector adjustment for even number of detectors
359 Added --enable-static to generate statically linked programs
362 ctsim: Added animation of projection collection processs
363 ctsim: Added Auto Scaling for image windows
364 ctsim: Change menus from "windowing" to "display scaling"
365 Added FieldOfView and FocalLength ratio parameters to projection collection
366 Added FocalLength & FieldOfView fields to projection data files
367 Added Projection collection for Equilinear and Equiangular geometries
368 Changed name of Rowland Phantom to correct name of Shepp-Logan
369 Fixed bug in backprojection selection
372 Added RCS Id strings to executable files
373 Added RPM Spec file for RPM package creation
374 Added loading of ASCII phanthom definitions from files
375 Fixed compilation for non-SGP architectures
376 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
377 Added Filter-Generation option to reconstruction to allow direct or
378 inverse_fourier construction of filters
379 Added median to statistics and to auto-windowing
382 Added line color support to SGP
386 Finished support for dmallocxx library
387 Fixed bug in SignalFilter::convertFilterMethodNameToID()
388 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
389 G2 windows and well as WXWindows.
390 ctsim program: "Create Phantom" now shows phantom object
391 Fixed row-plot bug in if-2
392 Reworked EZPlot's multiple plot operation
395 ctsim program: improved initial size and scroll area for image
397 ctsim program: added rasterization parameters, projections parameters,
398 and reconstruction parameters dialogs
399 Moved char[] static definition from header files to c++ files
400 Completely reorganized option processing in classes to improve
401 expandability and to assist ctsim graphical user interface.
404 ctsim program: Added dialog to set minimum/maximum display levels
405 Started ctsim.tex document file
408 Fixed compiler warnings at -Wall level
409 Began work on CTSim program to be graphical front-end of all functions
410 Moved current src/*.cpp to tools/*.cpp
411 Made CTSim graphical front-end's home to be src/
414 Added highly optimized backprojection method idiff3
415 Moved comparative stats to if-2 program from ifinfo
416 Fixed image display in if2img using G2 library
417 Added column-plot and row-plot options to if-2
418 Added autoselection of analytic/calculated spatial responses to SignalFilter
419 Added frequency-based preinterpolation to SignalFilter and idiff3
420 backprojection method. Currently, this technique is still under
421 development and debugging
422 Moved graphic file writing to ImageFile class from if2img program
425 Cleaned up SignalFilter class
426 Added zeropad option to pjrec
427 Added zeropad options to html and cgi files
428 Added fourier_table and rfttw filter methods
429 Added FFTW routines to use real/half-complex transformations
432 Updated trace level processing
433 Added trace level to SignalFilter
434 Fixed magnitude vs. real output bug in FFT/Fourier filter
437 Fixed const issue with ImageFileArray
438 Fixed Array2dFile::labelsCopy()
439 Added copy constructor and assignment for Array2dFileLabel class
440 Added Timer to if-2.cpp and ifinfo.cpp
441 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
442 Added option processing for filter-method for pjrec to choose
443 between convolution, dft, & fft filtering
444 Fixed format string for EZPlot so axis labels now print
445 Added support for FFTW library
448 Rewrote Array2dFile class to be non-templated
449 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
450 Rewrote Array2dFileLabel class to make members private, added access routines
451 Removed timedate.cpp in favor of standard C library time/date functions
452 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
453 Added signature tag and creation date/time to projection files
456 Standardized string option processing by classes. All classes use character strings
457 to select options rather than numeric constants. Added fail() and failMessage()
458 methods to verify that objects are created correctly by character strings.
459 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
460 Rewrote ImageFile class
461 Started support for dmallocxx library, not finished
462 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
463 Updated ifinfo to show comparative statistics
464 Added printLabels() to Array2dFile class
465 Added printStatistics() to ImageFile class
468 Moved conversion filter name/id to Filter class
469 Moved conversion backprojection name/id to Backproj class
470 Added MPI broadcasting of strings
473 Merged proj_reconstr into class Projections
474 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
475 Code cleanup in projections.cpp
476 Moved conversion of phantom names/id to Phantom class
479 Converted projection files to C++ library with frnetorderstream
480 Converted image files to C++ library with frnetorderstream
481 Converted filter and convolution to object-oriented code
482 Changed default image file to float from double -- Changable in imagefile.h
483 Optimized image file writing on little-endian architectures
484 Updated README and INSTALL
487 Reorganized source files
488 MPI bug fixed to phm2pj.cpp
491 Reorganized include files
492 Fixed const pointers in strfuncs
495 Renamed directories, moved source files, combined source files
496 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
500 Skip versions to make version 2.0 the first fully C++ version
501 Renamed Raysums to Projections throughout files
502 Renamed Detector to Scanner
503 Converted Scanner and Projecions to full object-oriented
506 Converted Phantom and PhantomElements to Object-Oriented
507 Converted Detector to Object-Oriented
510 Improved Integer backprojection method
511 Fixed nearest neighbor to be truly nearest neighbor
512 Made linear interpolation more integer arithmetic -> speed improvement
513 Finished converting all C files to C++
514 Converted all use of malloc/free to C++ new/delete
515 Began object-oriented conversion of Phantom and Projection structures
518 Converted MPI data structures to C++ object
519 Made ImageFile directly inherit from Array2dFile
522 First C++ conversions
523 Portable IF (image file) format implemented with objects (SDF removed)
524 - Now all data files are cross-platform compatible
525 Converted from MPI to MPI++
526 Converted backprojection to object-oriented
527 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
530 Simpilifed endian handling
533 Added support for 64-bit (IA64) CPU
534 Removed broken B-spline interpolation
535 Added support for cygwin platform under Windows 2000
536 Added support for 16-bit PNG graphics
539 Added compile-time configuration of endian order
542 Modified the raysum file format to be platform independent
545 Added Microsoft VC compatibility
546 Cleaned up compilation warnings in libgraph
549 Continued conversion to ANSI C
550 Removed old CRT routines
553 Renamed pictures to phantoms, objects to phantom elements
554 Continued code cleanup
557 More code cleanup with reorganizing libraries
558 Added --log and --exp to sdf-1
559 Allowed negative numbers for window levels in CGI interface
562 Continued code cleanup
566 Better documented, coded raysum in-memory on on-disk options
569 Cleaned out library that wasn't being used by CTSim
570 Modified ctsim.cgi to read in configuration file ctsim.conf
573 First open source distribution for GNU/Linux
576 Converted to GNU/Linux
577 added MPI support via LAM library
580 Developed under MS-DOS and IBM EGA graphics