1 Jun 1, 2002 Version 3.5.4
2 * Print version number in log window with About command
4 * Fix problem with captions not showing on some windows.
6 * Disable status bar on 3d views
8 * Fix bug in configure.ac that prevented using compiler
11 May 29, 2002 Version 3.5.3
12 * Added support for g++ 3.04 compiler
14 May 8, 2002 Version 3.5.2
15 * configure: improved CTN (DICOM) installation search
16 * src/ctsim.cpp: Fixed initial image size with import command
18 May 5, 2002 Version 3.5.1
22 * ctsim: Added tips to be displayed at startup and via the help menu.
23 * ctsim: Added center-detector concept. Allow for detector array
24 to be any arbitrary distance from center of scanner. As a result,
25 projection files are not incompatible with previous version of
27 * ctsim: Added threaded tasks and background manager for
28 background processing as well as taking advantage of multiple-CPU's
29 on SMP systems. (Microsoft Windows only)
30 * ctsim: Added plot t-theta sampling to projection file menu.
31 * ctsim: Added Reconstruction with Rebinning for faster
32 divergent beam reconstructions.
33 * ctsim: Added import and export of DICOM image files.
34 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
35 * ctsim: Added FFT/IFFT of columns of image files.
36 * ctsim: Added clipboard cut/copy/paste for image files.
37 * ctsim: Added region of interest to reconstructions.
38 * ctsim: Added Convert Rectangular Image to Projection files
39 * ctsim: Added "Verbose Logging", "Startup Tips", and
40 "Background processes" options to Preferences dialog.
41 * ctsim: Added plotting of projection file histograms.
42 * plotfile: Added scattergram plot functions
43 * ctsim: Added accelerator key for File-Properties
44 * ctsim: Improved wireframe 3-d display to remove hidden
46 * backprojectors.cpp: Added setting of axis extent and increment
48 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
49 projection data files.
53 * views.cpp: reduced calls to progress bar update, significant speedup
54 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
55 not being displayed on Unix platforms.
56 * views.cpp: Added out-of-memory checks to display for huge
57 image and projection files.
58 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
59 * imagefile.cpp: Fixed scaling factor in fftRows
60 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
62 * sgp.cpp: Fixed bug in drawCircle.
63 * distribution: fixed problem with documentation files not
64 being included with the distribution (Reported by Ian Kay).
65 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
66 * fixed ctsimtext shell when giving no parameters to function-name
67 * phm2if, phm2pj: Updated help messages for renamed phantoms
69 3.0.3 - Released 2/20/01
71 * ctsim: Fixed core dump on Linux with OpenGL
73 * ctsim: Fixed context-sensitive help on Linux
75 * ctsim: Fixed About box on Linux
77 3.0.2 - Released 2/20/01
79 * scanner.cpp: Fixed bug when number of detectors was even.
81 * ctsim: Improved error handling when trying to convert
82 divergent projections into polar form.
84 3.0.1 - Released 2/19/01
86 * ctsim: Fixed dialog box for reconstruction so that
87 rotation angle setting will stay fixed in-between use
90 * syserror: Fixed display bug for trace messages
92 * ctsim: MSVC optimization bug work-around, compiler
95 3.0.0 - Released 2/19/01
97 * ctsim: Massive update/fix to online help and print manual.
99 * ctsim: Added context-sensitive help to dialog boxes
101 * ctsim: Reformated all dialog boxes, much nicer now.
103 * ctsim: Improved accelerator key handling
105 * global: Added Hanning filter.
107 * global: Improved default parameters to that all defaults give
110 3.0.0beta1 - Released 2/11/01
112 * ctsim: Added most-recently-used files to File menu with
113 registry storage between executions.
115 * ctsim: Hides arcane features unless enabled by Preferences dialog
117 * ctsim: Added MDI interface for Windows version and made it default for Windows.
119 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
121 * ctsim: Added graphical About box
123 * ctsim: Escape key now removes cursor lines from image file view
125 * ctsim: Added Revert to ImageFile menu
127 * ctsim: Added accelerator (hotkeys) to frames
129 * ctsim: Online help added!
131 * backprojector: Added cubic interpolation
133 * ctsim: Added icons to Frames on X-Window and MS Windows versions
135 * ctsim: Fixed tick-label placement for plots on projection and
136 reconstruction dialogs.
138 * timer.h: Add use of _ftime when compiling on MSVC
140 * global: Projection files are not compatible with previous version
141 due to new scanner definitions.
143 * global: deleted concept of field-of-view and added
144 view ratio and scan ratio concepts.
146 * ctsim: Fixed crash on shutdown bug
148 * pjinfo: Fixed bug when doing --dump and not specifing --endview
150 * phm2pj: Fixed MPI bug with broadcasting of variables
152 * ctsimtext-lam: Changes for first version to compile under lam
155 3.0.0alpha5 - Released 1/12/00
157 * ctsim: Added EZPlotDialog, used by debugging plots in
160 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
161 bug in parsing command-line parameters.
163 * views.cpp: Fixed bug in copying of labels from images to
166 * syserror.cpp: fixed reporting for fatal errors
168 * projections.cpp: fixed MSVC failure with std:: namespace
170 * procsignal.cpp: fixed bug in equiangular reconstructions
171 for frequency/inverse-fourier filtering
173 3.0.0alpha4 - Released 1/09/01
175 * ctsim: Added reset to full-intensity scale menu item
177 * ctsim: Add conversion of projections to polar plot [Thanks to
178 Ian Kay for reference and math hints in polar bilinear scaling]
180 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
183 * ctsim: imagefile labels are now copied to plotfiles
185 * ctsim: Added more analyze menuitems
187 * ctsimtext: First version. All command-line tools are now accessed
188 through this master shell. Has both command-line and interactive
191 * ctsim: Fixed initialization of min/max bug for PlotFiles
193 * ezplot: Cleaned up y-tick label placement
195 * sgp: Added better support for projection/reconstruction animation
197 3.0.0alpha3 - Released 1/02/01
199 * ctsim: Added plotting of histograms
201 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
203 * ezplot.cpp: adjusted xtick label displays for better placement
205 3.0alpha2 - Released 1/02/01
207 * ctsim: All functions of command-line tools are now in graphical ctsim
209 * ctsim: added generation of filter images
211 * ctsim: Added 2-image math functions (mul, add, div, sub)
213 * ctsim: Added export of imagefiles to graphic file formats
215 * ctsim: Added support for scaling imagefiles in new sizes
217 * ctsim: Added ability to save standard phantom definitions as
218 text files suitable for reading.
220 * ctsim: Add labels for image transformations and display of labels
221 when performing properties of images.
223 * processsignal.cpp: Fixed "off by one" bug in
224 shuffleNaturalToFourierOrder when n is even. Moved functions to
227 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
228 image math functions to complex-valued math.
230 * phantom.cpp: Added ability to save phantom files as ASCII text.
232 3.0alpha1 - Released 12/29/00
234 * Added PlotFile class to system, used by if2 and ctsim for row
235 and column plots and comparison plots
237 * ctsim: Added image comparison statistics and image subtraction
239 * ctsim: Added plotting of rows & columns with y-axis scaling
241 * ctsim: Added row and column plot comparisons between two image
244 * ctsim: Added "Process" menu to image file display with math
245 functions. Added 2-dimensional inverse Fourier to math
246 functions. Added support for complex (real/imaginary) images.
248 * mathfuncs.cpp: Reworked statistics algorithm to share between
249 imagefile and plotfile classes.
251 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
252 nsamples > 2. Added generic mage math functions, moved from
253 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
256 * array2dfile.cpp: Added code to support complex (real/imaginary)
259 * if1: Updated to handle error conditions, such as sqrt of a
260 negative number. Converted to use new ImageFile math functions.
262 * if2: Updated to output plot files and use new ImageFile class
265 * if1: Updated to use new ImageFile class math functions
267 * ezplot: Reworked to better store colors/linestyles/symbols with
268 individual curves. Improved display of labels and ticks. Updated
269 to use POL class member variable. Updated to more C++ conventions.
271 * pol: converted to C++ class. Extracted HashTable to separate
274 * sgp: Added linestyle settings
277 First Microsoft Windows GUI version
278 Modifications for Microsoft Visual C++ compilation.
279 Improved pjinfo to output binary headers and view data, useful
280 when manually compiling phantoms that vary during projection
281 process. Thanks to Ian Kay for idea and code submission.
282 Improved sorting to find median in ImageFile::statistics
283 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
284 Changed reconstruction dialog to fix onto smaller screens
285 Fixed display of plotting in Projection views
286 Improved animation displays for Projections and Reconstructions
287 Changed code to explicitly use std:: namespace rather than
288 "namespace using std" statements
289 Fixed reconstruction scaling bug introduced in 2.0.6
290 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
293 Fixed minor compilation problem with procsignal.h
295 Fixed bug when simulating projections and Trace == CONSOLE
296 Fixed scaling bug when performing redundant rotations around object
299 Improved compilation on RedHat 7
300 Changed some of ANSI C header files to C++ header files
301 Removed README.RedHat7
304 Added documentation for --geometry setting
305 Added README.RedHat7 document
308 Fixed bug in generation of binary PGM files
309 Fixed MPI compilation bug in phm2pj.cpp
310 Inverted y-axis output for pj2if (bug alert from Ian Kay)
313 Additions to man pages (Ian Kay)
314 Fix problem with reading of ASCII phantom files (Ian Kay)
317 Fixed syntax error in fftw configuration
318 Slight modifications to support gcc v2.9.6
321 Version 2.0.0 released!
322 ctsim: Added Window menu to Main frame
323 ctsim: Disabled not support reconstruction method
324 Fixed obscure bug in sys_error
325 Fixed compilation in mingw environment not present
326 Fixed compilation in non-graphical environments
329 ctsim: Added animation of reconstruction
330 ctsim: Added saving of dialog parameters for Projection & Reconstruction
331 ctsim: Added progress dialog for rasterization of phantom
332 ctsim: used setpriority to set lower priority
333 ctsim: fixed pReconstruct not being deleted causing scaling problem
334 ctsim: fixed projection animation dialog buttons
337 ctsim: Added projection graph to animation of projection collection
338 ctsim: Added single stepping to projection collection animation
339 ctsim: improved File/Properties display for projection files
340 ctsim: Added progress dialog for reconstructions
341 ctsim: Added file labels for projection and reconstruction images
342 ctsim: Made File/Properties bring up modal dialogs
343 Added reconstruction for Equilinear and Equiangular geometries
344 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
345 Separated reconstruction into Reconstructor class
346 Fixed center of detector adjustment for even number of detectors
347 Added --enable-static to generate statically linked programs
350 ctsim: Added animation of projection collection processs
351 ctsim: Added Auto Scaling for image windows
352 ctsim: Change menus from "windowing" to "display scaling"
353 Added FieldOfView and FocalLength ratio parameters to projection collection
354 Added FocalLength & FieldOfView fields to projection data files
355 Added Projection collection for Equilinear and Equiangular geometries
356 Changed name of Rowland Phantom to correct name of Shepp-Logan
357 Fixed bug in backprojection selection
360 Added RCS Id strings to executable files
361 Added RPM Spec file for RPM package creation
362 Added loading of ASCII phanthom definitions from files
363 Fixed compilation for non-SGP architectures
364 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
365 Added Filter-Generation option to reconstruction to allow direct or
366 inverse_fourier construction of filters
367 Added median to statistics and to auto-windowing
370 Added line color support to SGP
374 Finished support for dmallocxx library
375 Fixed bug in SignalFilter::convertFilterMethodNameToID()
376 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
377 G2 windows and well as WXWindows.
378 ctsim program: "Create Phantom" now shows phantom object
379 Fixed row-plot bug in if-2
380 Reworked EZPlot's multiple plot operation
383 ctsim program: improved initial size and scroll area for image
385 ctsim program: added rasterization parameters, projections parameters,
386 and reconstruction parameters dialogs
387 Moved char[] static definition from header files to c++ files
388 Completely reorganized option processing in classes to improve
389 expandability and to assist ctsim graphical user interface.
392 ctsim program: Added dialog to set minimum/maximum display levels
393 Started ctsim.tex document file
396 Fixed compiler warnings at -Wall level
397 Began work on CTSim program to be graphical front-end of all functions
398 Moved current src/*.cpp to tools/*.cpp
399 Made CTSim graphical front-end's home to be src/
402 Added highly optimized backprojection method idiff3
403 Moved comparative stats to if-2 program from ifinfo
404 Fixed image display in if2img using G2 library
405 Added column-plot and row-plot options to if-2
406 Added autoselection of analytic/calculated spatial responses to SignalFilter
407 Added frequency-based preinterpolation to SignalFilter and idiff3
408 backprojection method. Currently, this technique is still under
409 development and debugging
410 Moved graphic file writing to ImageFile class from if2img program
413 Cleaned up SignalFilter class
414 Added zeropad option to pjrec
415 Added zeropad options to html and cgi files
416 Added fourier_table and rfttw filter methods
417 Added FFTW routines to use real/half-complex transformations
420 Updated trace level processing
421 Added trace level to SignalFilter
422 Fixed magnitude vs. real output bug in FFT/Fourier filter
425 Fixed const issue with ImageFileArray
426 Fixed Array2dFile::labelsCopy()
427 Added copy constructor and assignment for Array2dFileLabel class
428 Added Timer to if-2.cpp and ifinfo.cpp
429 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
430 Added option processing for filter-method for pjrec to choose
431 between convolution, dft, & fft filtering
432 Fixed format string for EZPlot so axis labels now print
433 Added support for FFTW library
436 Rewrote Array2dFile class to be non-templated
437 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
438 Rewrote Array2dFileLabel class to make members private, added access routines
439 Removed timedate.cpp in favor of standard C library time/date functions
440 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
441 Added signature tag and creation date/time to projection files
444 Standardized string option processing by classes. All classes use character strings
445 to select options rather than numeric constants. Added fail() and failMessage()
446 methods to verify that objects are created correctly by character strings.
447 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
448 Rewrote ImageFile class
449 Started support for dmallocxx library, not finished
450 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
451 Updated ifinfo to show comparative statistics
452 Added printLabels() to Array2dFile class
453 Added printStatistics() to ImageFile class
456 Moved conversion filter name/id to Filter class
457 Moved conversion backprojection name/id to Backproj class
458 Added MPI broadcasting of strings
461 Merged proj_reconstr into class Projections
462 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
463 Code cleanup in projections.cpp
464 Moved conversion of phantom names/id to Phantom class
467 Converted projection files to C++ library with frnetorderstream
468 Converted image files to C++ library with frnetorderstream
469 Converted filter and convolution to object-oriented code
470 Changed default image file to float from double -- Changable in imagefile.h
471 Optimized image file writing on little-endian architectures
472 Updated README and INSTALL
475 Reorganized source files
476 MPI bug fixed to phm2pj.cpp
479 Reorganized include files
480 Fixed const pointers in strfuncs
483 Renamed directories, moved source files, combined source files
484 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
488 Skip versions to make version 2.0 the first fully C++ version
489 Renamed Raysums to Projections throughout files
490 Renamed Detector to Scanner
491 Converted Scanner and Projecions to full object-oriented
494 Converted Phantom and PhantomElements to Object-Oriented
495 Converted Detector to Object-Oriented
498 Improved Integer backprojection method
499 Fixed nearest neighbor to be truly nearest neighbor
500 Made linear interpolation more integer arithmetic -> speed improvement
501 Finished converting all C files to C++
502 Converted all use of malloc/free to C++ new/delete
503 Began object-oriented conversion of Phantom and Projection structures
506 Converted MPI data structures to C++ object
507 Made ImageFile directly inherit from Array2dFile
510 First C++ conversions
511 Portable IF (image file) format implemented with objects (SDF removed)
512 - Now all data files are cross-platform compatible
513 Converted from MPI to MPI++
514 Converted backprojection to object-oriented
515 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
518 Simpilifed endian handling
521 Added support for 64-bit (IA64) CPU
522 Removed broken B-spline interpolation
523 Added support for cygwin platform under Windows 2000
524 Added support for 16-bit PNG graphics
527 Added compile-time configuration of endian order
530 Modified the raysum file format to be platform independent
533 Added Microsoft VC compatibility
534 Cleaned up compilation warnings in libgraph
537 Continued conversion to ANSI C
538 Removed old CRT routines
541 Renamed pictures to phantoms, objects to phantom elements
542 Continued code cleanup
545 More code cleanup with reorganizing libraries
546 Added --log and --exp to sdf-1
547 Allowed negative numbers for window levels in CGI interface
550 Continued code cleanup
554 Better documented, coded raysum in-memory on on-disk options
557 Cleaned out library that wasn't being used by CTSim
558 Modified ctsim.cgi to read in configuration file ctsim.conf
561 First open source distribution for GNU/Linux
564 Converted to GNU/Linux
565 added MPI support via LAM library
568 Developed under MS-DOS and IBM EGA graphics