1 Jul 1, 2002 Version 3.5.5
3 * Fix printing of version number
6 Jun 8, 2002 Version 3.5.4
8 * Print version number in log window with About command
10 * Fix problem with captions not showing on some windows. Reworked
11 creation of new windows.
13 * Disabled status bar on 3d views
15 * Fix bug in configure.ac that prevented using compiler
18 * Updated About splash screen
20 May 29, 2002 Version 3.5.3
21 * Added support for g++ 3.04 compiler
23 May 8, 2002 Version 3.5.2
24 * configure: improved CTN (DICOM) installation search
25 * src/ctsim.cpp: Fixed initial image size with import command
27 May 5, 2002 Version 3.5.1
31 * ctsim: Added tips to be displayed at startup and via the help menu.
32 * ctsim: Added center-detector concept. Allow for detector array
33 to be any arbitrary distance from center of scanner. As a result,
34 projection files are not incompatible with previous version of
36 * ctsim: Added threaded tasks and background manager for
37 background processing as well as taking advantage of multiple-CPU's
38 on SMP systems. (Microsoft Windows only)
39 * ctsim: Added plot t-theta sampling to projection file menu.
40 * ctsim: Added Reconstruction with Rebinning for faster
41 divergent beam reconstructions.
42 * ctsim: Added import and export of DICOM image files.
43 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
44 * ctsim: Added FFT/IFFT of columns of image files.
45 * ctsim: Added clipboard cut/copy/paste for image files.
46 * ctsim: Added region of interest to reconstructions.
47 * ctsim: Added Convert Rectangular Image to Projection files
48 * ctsim: Added "Verbose Logging", "Startup Tips", and
49 "Background processes" options to Preferences dialog.
50 * ctsim: Added plotting of projection file histograms.
51 * plotfile: Added scattergram plot functions
52 * ctsim: Added accelerator key for File-Properties
53 * ctsim: Improved wireframe 3-d display to remove hidden
55 * backprojectors.cpp: Added setting of axis extent and increment
57 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
58 projection data files.
62 * views.cpp: reduced calls to progress bar update, significant speedup
63 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
64 not being displayed on Unix platforms.
65 * views.cpp: Added out-of-memory checks to display for huge
66 image and projection files.
67 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
68 * imagefile.cpp: Fixed scaling factor in fftRows
69 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
71 * sgp.cpp: Fixed bug in drawCircle.
72 * distribution: fixed problem with documentation files not
73 being included with the distribution (Reported by Ian Kay).
74 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
75 * fixed ctsimtext shell when giving no parameters to function-name
76 * phm2if, phm2pj: Updated help messages for renamed phantoms
78 3.0.3 - Released 2/20/01
80 * ctsim: Fixed core dump on Linux with OpenGL
82 * ctsim: Fixed context-sensitive help on Linux
84 * ctsim: Fixed About box on Linux
86 3.0.2 - Released 2/20/01
88 * scanner.cpp: Fixed bug when number of detectors was even.
90 * ctsim: Improved error handling when trying to convert
91 divergent projections into polar form.
93 3.0.1 - Released 2/19/01
95 * ctsim: Fixed dialog box for reconstruction so that
96 rotation angle setting will stay fixed in-between use
99 * syserror: Fixed display bug for trace messages
101 * ctsim: MSVC optimization bug work-around, compiler
104 3.0.0 - Released 2/19/01
106 * ctsim: Massive update/fix to online help and print manual.
108 * ctsim: Added context-sensitive help to dialog boxes
110 * ctsim: Reformated all dialog boxes, much nicer now.
112 * ctsim: Improved accelerator key handling
114 * global: Added Hanning filter.
116 * global: Improved default parameters to that all defaults give
119 3.0.0beta1 - Released 2/11/01
121 * ctsim: Added most-recently-used files to File menu with
122 registry storage between executions.
124 * ctsim: Hides arcane features unless enabled by Preferences dialog
126 * ctsim: Added MDI interface for Windows version and made it default for Windows.
128 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
130 * ctsim: Added graphical About box
132 * ctsim: Escape key now removes cursor lines from image file view
134 * ctsim: Added Revert to ImageFile menu
136 * ctsim: Added accelerator (hotkeys) to frames
138 * ctsim: Online help added!
140 * backprojector: Added cubic interpolation
142 * ctsim: Added icons to Frames on X-Window and MS Windows versions
144 * ctsim: Fixed tick-label placement for plots on projection and
145 reconstruction dialogs.
147 * timer.h: Add use of _ftime when compiling on MSVC
149 * global: Projection files are not compatible with previous version
150 due to new scanner definitions.
152 * global: deleted concept of field-of-view and added
153 view ratio and scan ratio concepts.
155 * ctsim: Fixed crash on shutdown bug
157 * pjinfo: Fixed bug when doing --dump and not specifing --endview
159 * phm2pj: Fixed MPI bug with broadcasting of variables
161 * ctsimtext-lam: Changes for first version to compile under lam
164 3.0.0alpha5 - Released 1/12/00
166 * ctsim: Added EZPlotDialog, used by debugging plots in
169 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
170 bug in parsing command-line parameters.
172 * views.cpp: Fixed bug in copying of labels from images to
175 * syserror.cpp: fixed reporting for fatal errors
177 * projections.cpp: fixed MSVC failure with std:: namespace
179 * procsignal.cpp: fixed bug in equiangular reconstructions
180 for frequency/inverse-fourier filtering
182 3.0.0alpha4 - Released 1/09/01
184 * ctsim: Added reset to full-intensity scale menu item
186 * ctsim: Add conversion of projections to polar plot [Thanks to
187 Ian Kay for reference and math hints in polar bilinear scaling]
189 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
192 * ctsim: imagefile labels are now copied to plotfiles
194 * ctsim: Added more analyze menuitems
196 * ctsimtext: First version. All command-line tools are now accessed
197 through this master shell. Has both command-line and interactive
200 * ctsim: Fixed initialization of min/max bug for PlotFiles
202 * ezplot: Cleaned up y-tick label placement
204 * sgp: Added better support for projection/reconstruction animation
206 3.0.0alpha3 - Released 1/02/01
208 * ctsim: Added plotting of histograms
210 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
212 * ezplot.cpp: adjusted xtick label displays for better placement
214 3.0alpha2 - Released 1/02/01
216 * ctsim: All functions of command-line tools are now in graphical ctsim
218 * ctsim: added generation of filter images
220 * ctsim: Added 2-image math functions (mul, add, div, sub)
222 * ctsim: Added export of imagefiles to graphic file formats
224 * ctsim: Added support for scaling imagefiles in new sizes
226 * ctsim: Added ability to save standard phantom definitions as
227 text files suitable for reading.
229 * ctsim: Add labels for image transformations and display of labels
230 when performing properties of images.
232 * processsignal.cpp: Fixed "off by one" bug in
233 shuffleNaturalToFourierOrder when n is even. Moved functions to
236 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
237 image math functions to complex-valued math.
239 * phantom.cpp: Added ability to save phantom files as ASCII text.
241 3.0alpha1 - Released 12/29/00
243 * Added PlotFile class to system, used by if2 and ctsim for row
244 and column plots and comparison plots
246 * ctsim: Added image comparison statistics and image subtraction
248 * ctsim: Added plotting of rows & columns with y-axis scaling
250 * ctsim: Added row and column plot comparisons between two image
253 * ctsim: Added "Process" menu to image file display with math
254 functions. Added 2-dimensional inverse Fourier to math
255 functions. Added support for complex (real/imaginary) images.
257 * mathfuncs.cpp: Reworked statistics algorithm to share between
258 imagefile and plotfile classes.
260 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
261 nsamples > 2. Added generic mage math functions, moved from
262 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
265 * array2dfile.cpp: Added code to support complex (real/imaginary)
268 * if1: Updated to handle error conditions, such as sqrt of a
269 negative number. Converted to use new ImageFile math functions.
271 * if2: Updated to output plot files and use new ImageFile class
274 * if1: Updated to use new ImageFile class math functions
276 * ezplot: Reworked to better store colors/linestyles/symbols with
277 individual curves. Improved display of labels and ticks. Updated
278 to use POL class member variable. Updated to more C++ conventions.
280 * pol: converted to C++ class. Extracted HashTable to separate
283 * sgp: Added linestyle settings
286 First Microsoft Windows GUI version
287 Modifications for Microsoft Visual C++ compilation.
288 Improved pjinfo to output binary headers and view data, useful
289 when manually compiling phantoms that vary during projection
290 process. Thanks to Ian Kay for idea and code submission.
291 Improved sorting to find median in ImageFile::statistics
292 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
293 Changed reconstruction dialog to fix onto smaller screens
294 Fixed display of plotting in Projection views
295 Improved animation displays for Projections and Reconstructions
296 Changed code to explicitly use std:: namespace rather than
297 "namespace using std" statements
298 Fixed reconstruction scaling bug introduced in 2.0.6
299 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
302 Fixed minor compilation problem with procsignal.h
304 Fixed bug when simulating projections and Trace == CONSOLE
305 Fixed scaling bug when performing redundant rotations around object
308 Improved compilation on RedHat 7
309 Changed some of ANSI C header files to C++ header files
310 Removed README.RedHat7
313 Added documentation for --geometry setting
314 Added README.RedHat7 document
317 Fixed bug in generation of binary PGM files
318 Fixed MPI compilation bug in phm2pj.cpp
319 Inverted y-axis output for pj2if (bug alert from Ian Kay)
322 Additions to man pages (Ian Kay)
323 Fix problem with reading of ASCII phantom files (Ian Kay)
326 Fixed syntax error in fftw configuration
327 Slight modifications to support gcc v2.9.6
330 Version 2.0.0 released!
331 ctsim: Added Window menu to Main frame
332 ctsim: Disabled not support reconstruction method
333 Fixed obscure bug in sys_error
334 Fixed compilation in mingw environment not present
335 Fixed compilation in non-graphical environments
338 ctsim: Added animation of reconstruction
339 ctsim: Added saving of dialog parameters for Projection & Reconstruction
340 ctsim: Added progress dialog for rasterization of phantom
341 ctsim: used setpriority to set lower priority
342 ctsim: fixed pReconstruct not being deleted causing scaling problem
343 ctsim: fixed projection animation dialog buttons
346 ctsim: Added projection graph to animation of projection collection
347 ctsim: Added single stepping to projection collection animation
348 ctsim: improved File/Properties display for projection files
349 ctsim: Added progress dialog for reconstructions
350 ctsim: Added file labels for projection and reconstruction images
351 ctsim: Made File/Properties bring up modal dialogs
352 Added reconstruction for Equilinear and Equiangular geometries
353 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
354 Separated reconstruction into Reconstructor class
355 Fixed center of detector adjustment for even number of detectors
356 Added --enable-static to generate statically linked programs
359 ctsim: Added animation of projection collection processs
360 ctsim: Added Auto Scaling for image windows
361 ctsim: Change menus from "windowing" to "display scaling"
362 Added FieldOfView and FocalLength ratio parameters to projection collection
363 Added FocalLength & FieldOfView fields to projection data files
364 Added Projection collection for Equilinear and Equiangular geometries
365 Changed name of Rowland Phantom to correct name of Shepp-Logan
366 Fixed bug in backprojection selection
369 Added RCS Id strings to executable files
370 Added RPM Spec file for RPM package creation
371 Added loading of ASCII phanthom definitions from files
372 Fixed compilation for non-SGP architectures
373 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
374 Added Filter-Generation option to reconstruction to allow direct or
375 inverse_fourier construction of filters
376 Added median to statistics and to auto-windowing
379 Added line color support to SGP
383 Finished support for dmallocxx library
384 Fixed bug in SignalFilter::convertFilterMethodNameToID()
385 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
386 G2 windows and well as WXWindows.
387 ctsim program: "Create Phantom" now shows phantom object
388 Fixed row-plot bug in if-2
389 Reworked EZPlot's multiple plot operation
392 ctsim program: improved initial size and scroll area for image
394 ctsim program: added rasterization parameters, projections parameters,
395 and reconstruction parameters dialogs
396 Moved char[] static definition from header files to c++ files
397 Completely reorganized option processing in classes to improve
398 expandability and to assist ctsim graphical user interface.
401 ctsim program: Added dialog to set minimum/maximum display levels
402 Started ctsim.tex document file
405 Fixed compiler warnings at -Wall level
406 Began work on CTSim program to be graphical front-end of all functions
407 Moved current src/*.cpp to tools/*.cpp
408 Made CTSim graphical front-end's home to be src/
411 Added highly optimized backprojection method idiff3
412 Moved comparative stats to if-2 program from ifinfo
413 Fixed image display in if2img using G2 library
414 Added column-plot and row-plot options to if-2
415 Added autoselection of analytic/calculated spatial responses to SignalFilter
416 Added frequency-based preinterpolation to SignalFilter and idiff3
417 backprojection method. Currently, this technique is still under
418 development and debugging
419 Moved graphic file writing to ImageFile class from if2img program
422 Cleaned up SignalFilter class
423 Added zeropad option to pjrec
424 Added zeropad options to html and cgi files
425 Added fourier_table and rfttw filter methods
426 Added FFTW routines to use real/half-complex transformations
429 Updated trace level processing
430 Added trace level to SignalFilter
431 Fixed magnitude vs. real output bug in FFT/Fourier filter
434 Fixed const issue with ImageFileArray
435 Fixed Array2dFile::labelsCopy()
436 Added copy constructor and assignment for Array2dFileLabel class
437 Added Timer to if-2.cpp and ifinfo.cpp
438 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
439 Added option processing for filter-method for pjrec to choose
440 between convolution, dft, & fft filtering
441 Fixed format string for EZPlot so axis labels now print
442 Added support for FFTW library
445 Rewrote Array2dFile class to be non-templated
446 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
447 Rewrote Array2dFileLabel class to make members private, added access routines
448 Removed timedate.cpp in favor of standard C library time/date functions
449 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
450 Added signature tag and creation date/time to projection files
453 Standardized string option processing by classes. All classes use character strings
454 to select options rather than numeric constants. Added fail() and failMessage()
455 methods to verify that objects are created correctly by character strings.
456 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
457 Rewrote ImageFile class
458 Started support for dmallocxx library, not finished
459 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
460 Updated ifinfo to show comparative statistics
461 Added printLabels() to Array2dFile class
462 Added printStatistics() to ImageFile class
465 Moved conversion filter name/id to Filter class
466 Moved conversion backprojection name/id to Backproj class
467 Added MPI broadcasting of strings
470 Merged proj_reconstr into class Projections
471 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
472 Code cleanup in projections.cpp
473 Moved conversion of phantom names/id to Phantom class
476 Converted projection files to C++ library with frnetorderstream
477 Converted image files to C++ library with frnetorderstream
478 Converted filter and convolution to object-oriented code
479 Changed default image file to float from double -- Changable in imagefile.h
480 Optimized image file writing on little-endian architectures
481 Updated README and INSTALL
484 Reorganized source files
485 MPI bug fixed to phm2pj.cpp
488 Reorganized include files
489 Fixed const pointers in strfuncs
492 Renamed directories, moved source files, combined source files
493 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
497 Skip versions to make version 2.0 the first fully C++ version
498 Renamed Raysums to Projections throughout files
499 Renamed Detector to Scanner
500 Converted Scanner and Projecions to full object-oriented
503 Converted Phantom and PhantomElements to Object-Oriented
504 Converted Detector to Object-Oriented
507 Improved Integer backprojection method
508 Fixed nearest neighbor to be truly nearest neighbor
509 Made linear interpolation more integer arithmetic -> speed improvement
510 Finished converting all C files to C++
511 Converted all use of malloc/free to C++ new/delete
512 Began object-oriented conversion of Phantom and Projection structures
515 Converted MPI data structures to C++ object
516 Made ImageFile directly inherit from Array2dFile
519 First C++ conversions
520 Portable IF (image file) format implemented with objects (SDF removed)
521 - Now all data files are cross-platform compatible
522 Converted from MPI to MPI++
523 Converted backprojection to object-oriented
524 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
527 Simpilifed endian handling
530 Added support for 64-bit (IA64) CPU
531 Removed broken B-spline interpolation
532 Added support for cygwin platform under Windows 2000
533 Added support for 16-bit PNG graphics
536 Added compile-time configuration of endian order
539 Modified the raysum file format to be platform independent
542 Added Microsoft VC compatibility
543 Cleaned up compilation warnings in libgraph
546 Continued conversion to ANSI C
547 Removed old CRT routines
550 Renamed pictures to phantoms, objects to phantom elements
551 Continued code cleanup
554 More code cleanup with reorganizing libraries
555 Added --log and --exp to sdf-1
556 Allowed negative numbers for window levels in CGI interface
559 Continued code cleanup
563 Better documented, coded raysum in-memory on on-disk options
566 Cleaned out library that wasn't being used by CTSim
567 Modified ctsim.cgi to read in configuration file ctsim.conf
570 First open source distribution for GNU/Linux
573 Converted to GNU/Linux
574 added MPI support via LAM library
577 Developed under MS-DOS and IBM EGA graphics