5 -- ctsim: Added tips to be displayed at startup and via the help menu.
6 -- ctsim: Added center-detector concept. Allow for detector array
7 to be any arbitrary distance from center of scanner. As a result,
8 projection files are not incompatible with previous version of
10 -- ctsim: Added background and SMP processing for reconstructions,
11 scanning, and rasterization.
12 -- ctsim: Added generic threaded tasks and background manager for
13 background processing as well as taking advantage of multiple-CPU's
15 -- ctsim: Added plot t-theta sampling to projection file menu.
16 -- ctsim: Added Reconstruction with Rebinning for faster
17 divergent beam reconstructions.
18 -- ctsim: Added import and export of DICOM image files.
19 -- ctsim: Added PPM, PGM, and PNG file import to imagefile.
20 -- ctsim: Added FFT/IFFT of columns of image files.
21 -- ctsim: Added clipboard cut/copy/paste for image files.
22 -- ctsim: Added region of interest to reconstructions.
23 -- ctsim: Added Convert Rectangular Image to Projection files
24 -- ctsim: Added "Verbose Logging", "Startup Tips", and
25 "Background processes" options to Preferences dialog.
26 -- ctsim: Added plotting of projection file histograms.
27 -- plotfile: Added scattergram plot functions
28 -- ctsim: Added accelerator key for File-Properties
29 -- ctsim: Improved wireframe 3-d display to remove hidden
31 -- views.cpp: Added out of memory checks to display for huge
32 image and projection files.
33 -- backprojectors.cpp: Added setting of axis extent and increment
37 -- filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
38 -- imagefile.cpp: Fixed scaling factor in fftRows
39 -- imagefile.cpp: Fixed bug when performing magnitude() on real-valued
41 -- sgp.cpp: Fixed bug in drawCircle.
42 -- distribution: fixed problem with documentation files not
43 being included with the distribution [Reported by Ian Kay].
44 -- sgp.cpp/ezplot.cpp: Improved plotting with markers.
46 3.0.3 - Released 2/20/01
48 * ctsim: Fixed core dump on Linux with OpenGL
50 * ctsim: Fixed context-sensitive help on Linux
52 * ctsim: Fixed About box on Linux
54 3.0.2 - Released 2/20/01
56 * scanner.cpp: Fixed bug when number of detectors was even.
58 * ctsim: Improved error handling when trying to convert
59 divergent projections into polar form.
61 3.0.1 - Released 2/19/01
63 * ctsim: Fixed dialog box for reconstruction so that
64 rotation angle setting will stay fixed in-between use
67 * syserror: Fixed display bug for trace messages
69 * ctsim: MSVC optimization bug work-around, compiler
72 3.0.0 - Released 2/19/01
74 * ctsim: Massive update/fix to online help and print manual.
76 * ctsim: Added context-sensitive help to dialog boxes
78 * ctsim: Reformated all dialog boxes, much nicer now.
80 * ctsim: Improved accelerator key handling
82 * global: Added Hanning filter.
84 * global: Improved default parameters to that all defaults give
87 3.0.0beta1 - Released 2/11/01
89 * ctsim: Added most-recently-used files to File menu with
90 registry storage between executions.
92 * ctsim: Hides arcane features unless enabled by Preferences dialog
94 * ctsim: Added MDI interface for Windows version and made it default for Windows.
96 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
98 * ctsim: Added graphical About box
100 * ctsim: Escape key now removes cursor lines from image file view
102 * ctsim: Added Revert to ImageFile menu
104 * ctsim: Added accelerator (hotkeys) to frames
106 * ctsim: Online help added!
108 * backprojector: Added cubic interpolation
110 * ctsim: Added icons to Frames on X-Window and MS Windows versions
112 * ctsim: Fixed tick-label placement for plots on projection and
113 reconstruction dialogs.
115 * timer.h: Add use of _ftime when compiling on MSVC
117 * global: Projection files are not compatible with previous version
118 due to new scanner definitions.
120 * global: deleted concept of field-of-view and added
121 view ratio and scan ratio concepts.
123 * ctsim: Fixed crash on shutdown bug
125 * pjinfo: Fixed bug when doing --dump and not specifing --endview
127 * phm2pj: Fixed MPI bug with broadcasting of variables
129 * ctsimtext-lam: Changes for first version to compile under lam
132 3.0.0alpha5 - Released 1/12/00
134 * ctsim: Added EZPlotDialog, used by debugging plots in
137 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
138 bug in parsing command-line parameters.
140 * views.cpp: Fixed bug in copying of labels from images to
143 * syserror.cpp: fixed reporting for fatal errors
145 * projections.cpp: fixed MSVC failure with std:: namespace
147 * procsignal.cpp: fixed bug in equiangular reconstructions
148 for frequency/inverse-fourier filtering
150 3.0.0alpha4 - Released 1/09/01
152 * ctsim: Added reset to full-intensity scale menu item
154 * ctsim: Add conversion of projections to polar plot [Thanks to
155 Ian Kay for reference and math hints in polar bilinear scaling]
157 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
160 * ctsim: imagefile labels are now copied to plotfiles
162 * ctsim: Added more analyze menuitems
164 * ctsimtext: First version. All command-line tools are now accessed
165 through this master shell. Has both command-line and interactive
168 * ctsim: Fixed initialization of min/max bug for PlotFiles
170 * ezplot: Cleaned up y-tick label placement
172 * sgp: Added better support for projection/reconstruction animation
174 3.0.0alpha3 - Released 1/02/01
176 * ctsim: Added plotting of histograms
178 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
180 * ezplot.cpp: adjusted xtick label displays for better placement
182 3.0alpha2 - Released 1/02/01
184 * ctsim: All functions of command-line tools are now in graphical ctsim
186 * ctsim: added generation of filter images
188 * ctsim: Added 2-image math functions (mul, add, div, sub)
190 * ctsim: Added export of imagefiles to graphic file formats
192 * ctsim: Added support for scaling imagefiles in new sizes
194 * ctsim: Added ability to save standard phantom definitions as
195 text files suitable for reading.
197 * ctsim: Add labels for image transformations and display of labels
198 when performing properties of images.
200 * processsignal.cpp: Fixed "off by one" bug in
201 shuffleNaturalToFourierOrder when n is even. Moved functions to
204 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
205 image math functions to complex-valued math.
207 * phantom.cpp: Added ability to save phantom files as ASCII text.
209 3.0alpha1 - Released 12/29/00
211 * Added PlotFile class to system, used by if2 and ctsim for row
212 and column plots and comparison plots
214 * ctsim: Added image comparison statistics and image subtraction
216 * ctsim: Added plotting of rows & columns with y-axis scaling
218 * ctsim: Added row and column plot comparisons between two image
221 * ctsim: Added "Process" menu to image file display with math
222 functions. Added 2-dimensional inverse Fourier to math
223 functions. Added support for complex (real/imaginary) images.
225 * mathfuncs.cpp: Reworked statistics algorithm to share between
226 imagefile and plotfile classes.
228 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
229 nsamples > 2. Added generic mage math functions, moved from
230 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
233 * array2dfile.cpp: Added code to support complex (real/imaginary)
236 * if1: Updated to handle error conditions, such as sqrt of a
237 negative number. Converted to use new ImageFile math functions.
239 * if2: Updated to output plot files and use new ImageFile class
242 * if1: Updated to use new ImageFile class math functions
244 * ezplot: Reworked to better store colors/linestyles/symbols with
245 individual curves. Improved display of labels and ticks. Updated
246 to use POL class member variable. Updated to more C++ conventions.
248 * pol: converted to C++ class. Extracted HashTable to separate
251 * sgp: Added linestyle settings
254 First Microsoft Windows GUI version
255 Modifications for Microsoft Visual C++ compilation.
256 Improved pjinfo to output binary headers and view data, useful
257 when manually compiling phantoms that vary during projection
258 process. Thanks to Ian Kay for idea and code submission.
259 Improved sorting to find median in ImageFile::statistics
260 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
261 Changed reconstruction dialog to fix onto smaller screens
262 Fixed display of plotting in Projection views
263 Improved animation displays for Projections and Reconstructions
264 Changed code to explicitly use std:: namespace rather than
265 "namespace using std" statements
266 Fixed reconstruction scaling bug introduced in 2.0.6
267 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
270 Fixed minor compilation problem with procsignal.h
272 Fixed bug when simulating projections and Trace == CONSOLE
273 Fixed scaling bug when performing redundant rotations around object
276 Improved compilation on RedHat 7
277 Changed some of ANSI C header files to C++ header files
278 Removed README.RedHat7
281 Added documentation for --geometry setting
282 Added README.RedHat7 document
285 Fixed bug in generation of binary PGM files
286 Fixed MPI compilation bug in phm2pj.cpp
287 Inverted y-axis output for pj2if (bug alert from Ian Kay)
290 Additions to man pages (Ian Kay)
291 Fix problem with reading of ASCII phantom files (Ian Kay)
294 Fixed syntax error in fftw configuration
295 Slight modifications to support gcc v2.9.6
298 Version 2.0.0 released!
299 ctsim: Added Window menu to Main frame
300 ctsim: Disabled not support reconstruction method
301 Fixed obscure bug in sys_error
302 Fixed compilation in mingw environment not present
303 Fixed compilation in non-graphical environments
306 ctsim: Added animation of reconstruction
307 ctsim: Added saving of dialog parameters for Projection & Reconstruction
308 ctsim: Added progress dialog for rasterization of phantom
309 ctsim: used setpriority to set lower priority
310 ctsim: fixed pReconstruct not being deleted causing scaling problem
311 ctsim: fixed projection animation dialog buttons
314 ctsim: Added projection graph to animation of projection collection
315 ctsim: Added single stepping to projection collection animation
316 ctsim: improved File/Properties display for projection files
317 ctsim: Added progress dialog for reconstructions
318 ctsim: Added file labels for projection and reconstruction images
319 ctsim: Made File/Properties bring up modal dialogs
320 Added reconstruction for Equilinear and Equiangular geometries
321 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
322 Separated reconstruction into Reconstructor class
323 Fixed center of detector adjustment for even number of detectors
324 Added --enable-static to generate statically linked programs
327 ctsim: Added animation of projection collection processs
328 ctsim: Added Auto Scaling for image windows
329 ctsim: Change menus from "windowing" to "display scaling"
330 Added FieldOfView and FocalLength ratio parameters to projection collection
331 Added FocalLength & FieldOfView fields to projection data files
332 Added Projection collection for Equilinear and Equiangular geometries
333 Changed name of Rowland Phantom to correct name of Shepp-Logan
334 Fixed bug in backprojection selection
337 Added RCS Id strings to executable files
338 Added RPM Spec file for RPM package creation
339 Added loading of ASCII phanthom definitions from files
340 Fixed compilation for non-SGP architectures
341 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
342 Added Filter-Generation option to reconstruction to allow direct or
343 inverse_fourier construction of filters
344 Added median to statistics and to auto-windowing
347 Added line color support to SGP
351 Finished support for dmallocxx library
352 Fixed bug in SignalFilter::convertFilterMethodNameToID()
353 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
354 G2 windows and well as WXWindows.
355 ctsim program: "Create Phantom" now shows phantom object
356 Fixed row-plot bug in if-2
357 Reworked EZPlot's multiple plot operation
360 ctsim program: improved initial size and scroll area for image
362 ctsim program: added rasterization parameters, projections parameters,
363 and reconstruction parameters dialogs
364 Moved char[] static definition from header files to c++ files
365 Completely reorganized option processing in classes to improve
366 expandability and to assist ctsim graphical user interface.
369 ctsim program: Added dialog to set minimum/maximum display levels
370 Started ctsim.tex document file
373 Fixed compiler warnings at -Wall level
374 Began work on CTSim program to be graphical front-end of all functions
375 Moved current src/*.cpp to tools/*.cpp
376 Made CTSim graphical front-end's home to be src/
379 Added highly optimized backprojection method idiff3
380 Moved comparative stats to if-2 program from ifinfo
381 Fixed image display in if2img using G2 library
382 Added column-plot and row-plot options to if-2
383 Added autoselection of analytic/calculated spatial responses to SignalFilter
384 Added frequency-based preinterpolation to SignalFilter and idiff3
385 backprojection method. Currently, this technique is still under
386 development and debugging
387 Moved graphic file writing to ImageFile class from if2img program
390 Cleaned up SignalFilter class
391 Added zeropad option to pjrec
392 Added zeropad options to html and cgi files
393 Added fourier_table and rfttw filter methods
394 Added FFTW routines to use real/half-complex transformations
397 Updated trace level processing
398 Added trace level to SignalFilter
399 Fixed magnitude vs. real output bug in FFT/Fourier filter
402 Fixed const issue with ImageFileArray
403 Fixed Array2dFile::labelsCopy()
404 Added copy constructor and assignment for Array2dFileLabel class
405 Added Timer to if-2.cpp and ifinfo.cpp
406 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
407 Added option processing for filter-method for pjrec to choose
408 between convolution, dft, & fft filtering
409 Fixed format string for EZPlot so axis labels now print
410 Added support for FFTW library
413 Rewrote Array2dFile class to be non-templated
414 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
415 Rewrote Array2dFileLabel class to make members private, added access routines
416 Removed timedate.cpp in favor of standard C library time/date functions
417 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
418 Added signature tag and creation date/time to projection files
421 Standardized string option processing by classes. All classes use character strings
422 to select options rather than numeric constants. Added fail() and failMessage()
423 methods to verify that objects are created correctly by character strings.
424 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
425 Rewrote ImageFile class
426 Started support for dmallocxx library, not finished
427 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
428 Updated ifinfo to show comparative statistics
429 Added printLabels() to Array2dFile class
430 Added printStatistics() to ImageFile class
433 Moved conversion filter name/id to Filter class
434 Moved conversion backprojection name/id to Backproj class
435 Added MPI broadcasting of strings
438 Merged proj_reconstr into class Projections
439 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
440 Code cleanup in projections.cpp
441 Moved conversion of phantom names/id to Phantom class
444 Converted projection files to C++ library with frnetorderstream
445 Converted image files to C++ library with frnetorderstream
446 Converted filter and convolution to object-oriented code
447 Changed default image file to float from double -- Changable in imagefile.h
448 Optimized image file writing on little-endian architectures
449 Updated README and INSTALL
452 Reorganized source files
453 MPI bug fixed to phm2pj.cpp
456 Reorganized include files
457 Fixed const pointers in strfuncs
460 Renamed directories, moved source files, combined source files
461 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
465 Skip versions to make version 2.0 the first fully C++ version
466 Renamed Raysums to Projections throughout files
467 Renamed Detector to Scanner
468 Converted Scanner and Projecions to full object-oriented
471 Converted Phantom and PhantomElements to Object-Oriented
472 Converted Detector to Object-Oriented
475 Improved Integer backprojection method
476 Fixed nearest neighbor to be truly nearest neighbor
477 Made linear interpolation more integer arithmetic -> speed improvement
478 Finished converting all C files to C++
479 Converted all use of malloc/free to C++ new/delete
480 Began object-oriented conversion of Phantom and Projection structures
483 Converted MPI data structures to C++ object
484 Made ImageFile directly inherit from Array2dFile
487 First C++ conversions
488 Portable IF (image file) format implemented with objects (SDF removed)
489 - Now all data files are cross-platform compatible
490 Converted from MPI to MPI++
491 Converted backprojection to object-oriented
492 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
495 Simpilifed endian handling
498 Added support for 64-bit (IA64) CPU
499 Removed broken B-spline interpolation
500 Added support for cygwin platform under Windows 2000
501 Added support for 16-bit PNG graphics
504 Added compile-time configuration of endian order
507 Modified the raysum file format to be platform independent
510 Added Microsoft VC compatibility
511 Cleaned up compilation warnings in libgraph
514 Continued conversion to ANSI C
515 Removed old CRT routines
518 Renamed pictures to phantoms, objects to phantom elements
519 Continued code cleanup
522 More code cleanup with reorganizing libraries
523 Added --log and --exp to sdf-1
524 Allowed negative numbers for window levels in CGI interface
527 Continued code cleanup
531 Better documented, coded raysum in-memory on on-disk options
534 Cleaned out library that wasn't being used by CTSim
535 Modified ctsim.cgi to read in configuration file ctsim.conf
538 First open source distribution for GNU/Linux
541 Converted to GNU/Linux
542 added MPI support via LAM library
545 Developed under MS-DOS and IBM EGA graphics