1 Jun 8, 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. Reworked
5 creation of new windows.
7 * Disabled status bar on 3d views
9 * Fix bug in configure.ac that prevented using compiler
12 * Updated About splash screen
14 May 29, 2002 Version 3.5.3
15 * Added support for g++ 3.04 compiler
17 May 8, 2002 Version 3.5.2
18 * configure: improved CTN (DICOM) installation search
19 * src/ctsim.cpp: Fixed initial image size with import command
21 May 5, 2002 Version 3.5.1
25 * ctsim: Added tips to be displayed at startup and via the help menu.
26 * ctsim: Added center-detector concept. Allow for detector array
27 to be any arbitrary distance from center of scanner. As a result,
28 projection files are not incompatible with previous version of
30 * ctsim: Added threaded tasks and background manager for
31 background processing as well as taking advantage of multiple-CPU's
32 on SMP systems. (Microsoft Windows only)
33 * ctsim: Added plot t-theta sampling to projection file menu.
34 * ctsim: Added Reconstruction with Rebinning for faster
35 divergent beam reconstructions.
36 * ctsim: Added import and export of DICOM image files.
37 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
38 * ctsim: Added FFT/IFFT of columns of image files.
39 * ctsim: Added clipboard cut/copy/paste for image files.
40 * ctsim: Added region of interest to reconstructions.
41 * ctsim: Added Convert Rectangular Image to Projection files
42 * ctsim: Added "Verbose Logging", "Startup Tips", and
43 "Background processes" options to Preferences dialog.
44 * ctsim: Added plotting of projection file histograms.
45 * plotfile: Added scattergram plot functions
46 * ctsim: Added accelerator key for File-Properties
47 * ctsim: Improved wireframe 3-d display to remove hidden
49 * backprojectors.cpp: Added setting of axis extent and increment
51 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
52 projection data files.
56 * views.cpp: reduced calls to progress bar update, significant speedup
57 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
58 not being displayed on Unix platforms.
59 * views.cpp: Added out-of-memory checks to display for huge
60 image and projection files.
61 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
62 * imagefile.cpp: Fixed scaling factor in fftRows
63 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
65 * sgp.cpp: Fixed bug in drawCircle.
66 * distribution: fixed problem with documentation files not
67 being included with the distribution (Reported by Ian Kay).
68 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
69 * fixed ctsimtext shell when giving no parameters to function-name
70 * phm2if, phm2pj: Updated help messages for renamed phantoms
72 3.0.3 - Released 2/20/01
74 * ctsim: Fixed core dump on Linux with OpenGL
76 * ctsim: Fixed context-sensitive help on Linux
78 * ctsim: Fixed About box on Linux
80 3.0.2 - Released 2/20/01
82 * scanner.cpp: Fixed bug when number of detectors was even.
84 * ctsim: Improved error handling when trying to convert
85 divergent projections into polar form.
87 3.0.1 - Released 2/19/01
89 * ctsim: Fixed dialog box for reconstruction so that
90 rotation angle setting will stay fixed in-between use
93 * syserror: Fixed display bug for trace messages
95 * ctsim: MSVC optimization bug work-around, compiler
98 3.0.0 - Released 2/19/01
100 * ctsim: Massive update/fix to online help and print manual.
102 * ctsim: Added context-sensitive help to dialog boxes
104 * ctsim: Reformated all dialog boxes, much nicer now.
106 * ctsim: Improved accelerator key handling
108 * global: Added Hanning filter.
110 * global: Improved default parameters to that all defaults give
113 3.0.0beta1 - Released 2/11/01
115 * ctsim: Added most-recently-used files to File menu with
116 registry storage between executions.
118 * ctsim: Hides arcane features unless enabled by Preferences dialog
120 * ctsim: Added MDI interface for Windows version and made it default for Windows.
122 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
124 * ctsim: Added graphical About box
126 * ctsim: Escape key now removes cursor lines from image file view
128 * ctsim: Added Revert to ImageFile menu
130 * ctsim: Added accelerator (hotkeys) to frames
132 * ctsim: Online help added!
134 * backprojector: Added cubic interpolation
136 * ctsim: Added icons to Frames on X-Window and MS Windows versions
138 * ctsim: Fixed tick-label placement for plots on projection and
139 reconstruction dialogs.
141 * timer.h: Add use of _ftime when compiling on MSVC
143 * global: Projection files are not compatible with previous version
144 due to new scanner definitions.
146 * global: deleted concept of field-of-view and added
147 view ratio and scan ratio concepts.
149 * ctsim: Fixed crash on shutdown bug
151 * pjinfo: Fixed bug when doing --dump and not specifing --endview
153 * phm2pj: Fixed MPI bug with broadcasting of variables
155 * ctsimtext-lam: Changes for first version to compile under lam
158 3.0.0alpha5 - Released 1/12/00
160 * ctsim: Added EZPlotDialog, used by debugging plots in
163 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
164 bug in parsing command-line parameters.
166 * views.cpp: Fixed bug in copying of labels from images to
169 * syserror.cpp: fixed reporting for fatal errors
171 * projections.cpp: fixed MSVC failure with std:: namespace
173 * procsignal.cpp: fixed bug in equiangular reconstructions
174 for frequency/inverse-fourier filtering
176 3.0.0alpha4 - Released 1/09/01
178 * ctsim: Added reset to full-intensity scale menu item
180 * ctsim: Add conversion of projections to polar plot [Thanks to
181 Ian Kay for reference and math hints in polar bilinear scaling]
183 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
186 * ctsim: imagefile labels are now copied to plotfiles
188 * ctsim: Added more analyze menuitems
190 * ctsimtext: First version. All command-line tools are now accessed
191 through this master shell. Has both command-line and interactive
194 * ctsim: Fixed initialization of min/max bug for PlotFiles
196 * ezplot: Cleaned up y-tick label placement
198 * sgp: Added better support for projection/reconstruction animation
200 3.0.0alpha3 - Released 1/02/01
202 * ctsim: Added plotting of histograms
204 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
206 * ezplot.cpp: adjusted xtick label displays for better placement
208 3.0alpha2 - Released 1/02/01
210 * ctsim: All functions of command-line tools are now in graphical ctsim
212 * ctsim: added generation of filter images
214 * ctsim: Added 2-image math functions (mul, add, div, sub)
216 * ctsim: Added export of imagefiles to graphic file formats
218 * ctsim: Added support for scaling imagefiles in new sizes
220 * ctsim: Added ability to save standard phantom definitions as
221 text files suitable for reading.
223 * ctsim: Add labels for image transformations and display of labels
224 when performing properties of images.
226 * processsignal.cpp: Fixed "off by one" bug in
227 shuffleNaturalToFourierOrder when n is even. Moved functions to
230 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
231 image math functions to complex-valued math.
233 * phantom.cpp: Added ability to save phantom files as ASCII text.
235 3.0alpha1 - Released 12/29/00
237 * Added PlotFile class to system, used by if2 and ctsim for row
238 and column plots and comparison plots
240 * ctsim: Added image comparison statistics and image subtraction
242 * ctsim: Added plotting of rows & columns with y-axis scaling
244 * ctsim: Added row and column plot comparisons between two image
247 * ctsim: Added "Process" menu to image file display with math
248 functions. Added 2-dimensional inverse Fourier to math
249 functions. Added support for complex (real/imaginary) images.
251 * mathfuncs.cpp: Reworked statistics algorithm to share between
252 imagefile and plotfile classes.
254 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
255 nsamples > 2. Added generic mage math functions, moved from
256 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
259 * array2dfile.cpp: Added code to support complex (real/imaginary)
262 * if1: Updated to handle error conditions, such as sqrt of a
263 negative number. Converted to use new ImageFile math functions.
265 * if2: Updated to output plot files and use new ImageFile class
268 * if1: Updated to use new ImageFile class math functions
270 * ezplot: Reworked to better store colors/linestyles/symbols with
271 individual curves. Improved display of labels and ticks. Updated
272 to use POL class member variable. Updated to more C++ conventions.
274 * pol: converted to C++ class. Extracted HashTable to separate
277 * sgp: Added linestyle settings
280 First Microsoft Windows GUI version
281 Modifications for Microsoft Visual C++ compilation.
282 Improved pjinfo to output binary headers and view data, useful
283 when manually compiling phantoms that vary during projection
284 process. Thanks to Ian Kay for idea and code submission.
285 Improved sorting to find median in ImageFile::statistics
286 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
287 Changed reconstruction dialog to fix onto smaller screens
288 Fixed display of plotting in Projection views
289 Improved animation displays for Projections and Reconstructions
290 Changed code to explicitly use std:: namespace rather than
291 "namespace using std" statements
292 Fixed reconstruction scaling bug introduced in 2.0.6
293 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
296 Fixed minor compilation problem with procsignal.h
298 Fixed bug when simulating projections and Trace == CONSOLE
299 Fixed scaling bug when performing redundant rotations around object
302 Improved compilation on RedHat 7
303 Changed some of ANSI C header files to C++ header files
304 Removed README.RedHat7
307 Added documentation for --geometry setting
308 Added README.RedHat7 document
311 Fixed bug in generation of binary PGM files
312 Fixed MPI compilation bug in phm2pj.cpp
313 Inverted y-axis output for pj2if (bug alert from Ian Kay)
316 Additions to man pages (Ian Kay)
317 Fix problem with reading of ASCII phantom files (Ian Kay)
320 Fixed syntax error in fftw configuration
321 Slight modifications to support gcc v2.9.6
324 Version 2.0.0 released!
325 ctsim: Added Window menu to Main frame
326 ctsim: Disabled not support reconstruction method
327 Fixed obscure bug in sys_error
328 Fixed compilation in mingw environment not present
329 Fixed compilation in non-graphical environments
332 ctsim: Added animation of reconstruction
333 ctsim: Added saving of dialog parameters for Projection & Reconstruction
334 ctsim: Added progress dialog for rasterization of phantom
335 ctsim: used setpriority to set lower priority
336 ctsim: fixed pReconstruct not being deleted causing scaling problem
337 ctsim: fixed projection animation dialog buttons
340 ctsim: Added projection graph to animation of projection collection
341 ctsim: Added single stepping to projection collection animation
342 ctsim: improved File/Properties display for projection files
343 ctsim: Added progress dialog for reconstructions
344 ctsim: Added file labels for projection and reconstruction images
345 ctsim: Made File/Properties bring up modal dialogs
346 Added reconstruction for Equilinear and Equiangular geometries
347 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
348 Separated reconstruction into Reconstructor class
349 Fixed center of detector adjustment for even number of detectors
350 Added --enable-static to generate statically linked programs
353 ctsim: Added animation of projection collection processs
354 ctsim: Added Auto Scaling for image windows
355 ctsim: Change menus from "windowing" to "display scaling"
356 Added FieldOfView and FocalLength ratio parameters to projection collection
357 Added FocalLength & FieldOfView fields to projection data files
358 Added Projection collection for Equilinear and Equiangular geometries
359 Changed name of Rowland Phantom to correct name of Shepp-Logan
360 Fixed bug in backprojection selection
363 Added RCS Id strings to executable files
364 Added RPM Spec file for RPM package creation
365 Added loading of ASCII phanthom definitions from files
366 Fixed compilation for non-SGP architectures
367 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
368 Added Filter-Generation option to reconstruction to allow direct or
369 inverse_fourier construction of filters
370 Added median to statistics and to auto-windowing
373 Added line color support to SGP
377 Finished support for dmallocxx library
378 Fixed bug in SignalFilter::convertFilterMethodNameToID()
379 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
380 G2 windows and well as WXWindows.
381 ctsim program: "Create Phantom" now shows phantom object
382 Fixed row-plot bug in if-2
383 Reworked EZPlot's multiple plot operation
386 ctsim program: improved initial size and scroll area for image
388 ctsim program: added rasterization parameters, projections parameters,
389 and reconstruction parameters dialogs
390 Moved char[] static definition from header files to c++ files
391 Completely reorganized option processing in classes to improve
392 expandability and to assist ctsim graphical user interface.
395 ctsim program: Added dialog to set minimum/maximum display levels
396 Started ctsim.tex document file
399 Fixed compiler warnings at -Wall level
400 Began work on CTSim program to be graphical front-end of all functions
401 Moved current src/*.cpp to tools/*.cpp
402 Made CTSim graphical front-end's home to be src/
405 Added highly optimized backprojection method idiff3
406 Moved comparative stats to if-2 program from ifinfo
407 Fixed image display in if2img using G2 library
408 Added column-plot and row-plot options to if-2
409 Added autoselection of analytic/calculated spatial responses to SignalFilter
410 Added frequency-based preinterpolation to SignalFilter and idiff3
411 backprojection method. Currently, this technique is still under
412 development and debugging
413 Moved graphic file writing to ImageFile class from if2img program
416 Cleaned up SignalFilter class
417 Added zeropad option to pjrec
418 Added zeropad options to html and cgi files
419 Added fourier_table and rfttw filter methods
420 Added FFTW routines to use real/half-complex transformations
423 Updated trace level processing
424 Added trace level to SignalFilter
425 Fixed magnitude vs. real output bug in FFT/Fourier filter
428 Fixed const issue with ImageFileArray
429 Fixed Array2dFile::labelsCopy()
430 Added copy constructor and assignment for Array2dFileLabel class
431 Added Timer to if-2.cpp and ifinfo.cpp
432 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
433 Added option processing for filter-method for pjrec to choose
434 between convolution, dft, & fft filtering
435 Fixed format string for EZPlot so axis labels now print
436 Added support for FFTW library
439 Rewrote Array2dFile class to be non-templated
440 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
441 Rewrote Array2dFileLabel class to make members private, added access routines
442 Removed timedate.cpp in favor of standard C library time/date functions
443 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
444 Added signature tag and creation date/time to projection files
447 Standardized string option processing by classes. All classes use character strings
448 to select options rather than numeric constants. Added fail() and failMessage()
449 methods to verify that objects are created correctly by character strings.
450 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
451 Rewrote ImageFile class
452 Started support for dmallocxx library, not finished
453 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
454 Updated ifinfo to show comparative statistics
455 Added printLabels() to Array2dFile class
456 Added printStatistics() to ImageFile class
459 Moved conversion filter name/id to Filter class
460 Moved conversion backprojection name/id to Backproj class
461 Added MPI broadcasting of strings
464 Merged proj_reconstr into class Projections
465 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
466 Code cleanup in projections.cpp
467 Moved conversion of phantom names/id to Phantom class
470 Converted projection files to C++ library with frnetorderstream
471 Converted image files to C++ library with frnetorderstream
472 Converted filter and convolution to object-oriented code
473 Changed default image file to float from double -- Changable in imagefile.h
474 Optimized image file writing on little-endian architectures
475 Updated README and INSTALL
478 Reorganized source files
479 MPI bug fixed to phm2pj.cpp
482 Reorganized include files
483 Fixed const pointers in strfuncs
486 Renamed directories, moved source files, combined source files
487 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
491 Skip versions to make version 2.0 the first fully C++ version
492 Renamed Raysums to Projections throughout files
493 Renamed Detector to Scanner
494 Converted Scanner and Projecions to full object-oriented
497 Converted Phantom and PhantomElements to Object-Oriented
498 Converted Detector to Object-Oriented
501 Improved Integer backprojection method
502 Fixed nearest neighbor to be truly nearest neighbor
503 Made linear interpolation more integer arithmetic -> speed improvement
504 Finished converting all C files to C++
505 Converted all use of malloc/free to C++ new/delete
506 Began object-oriented conversion of Phantom and Projection structures
509 Converted MPI data structures to C++ object
510 Made ImageFile directly inherit from Array2dFile
513 First C++ conversions
514 Portable IF (image file) format implemented with objects (SDF removed)
515 - Now all data files are cross-platform compatible
516 Converted from MPI to MPI++
517 Converted backprojection to object-oriented
518 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
521 Simpilifed endian handling
524 Added support for 64-bit (IA64) CPU
525 Removed broken B-spline interpolation
526 Added support for cygwin platform under Windows 2000
527 Added support for 16-bit PNG graphics
530 Added compile-time configuration of endian order
533 Modified the raysum file format to be platform independent
536 Added Microsoft VC compatibility
537 Cleaned up compilation warnings in libgraph
540 Continued conversion to ANSI C
541 Removed old CRT routines
544 Renamed pictures to phantoms, objects to phantom elements
545 Continued code cleanup
548 More code cleanup with reorganizing libraries
549 Added --log and --exp to sdf-1
550 Allowed negative numbers for window levels in CGI interface
553 Continued code cleanup
557 Better documented, coded raysum in-memory on on-disk options
560 Cleaned out library that wasn't being used by CTSim
561 Modified ctsim.cgi to read in configuration file ctsim.conf
564 First open source distribution for GNU/Linux
567 Converted to GNU/Linux
568 added MPI support via LAM library
571 Developed under MS-DOS and IBM EGA graphics