3 * ctsim: Added tips to be displayed at startup and via the help menu.
5 * ctsim: Added center-detector concept. Allow for detector array
6 to be any arbitrary distance from center of scanner. As a result,
7 projection files are not incompatible with previous version of
10 * ctsim: Added generic threaded tasks and background manager for
11 background processing as well as taking advantage of multiple-CPU's
14 * ctsim: Added PPM/PGM and PNG file import to imagefile.
16 * ctsim: Added import of DICOM grayscale files.
18 * ctsim: Added background and SMP processing for reconstructions.
20 * ctsim: Added background and SMP processing for scanning.
22 * ctsim: Added background and SMP processing for rasterization.
24 * ctsim: Added "Verbose Logging", "Startup Tips", and
25 "Background processes" options to Preferences dialog.
27 * ctsim: Added accelerator key for File-Properties
29 * views.cpp: Added out of memory checks to display for huge
30 image and projection files.
32 * distribution: fixed problem with documentation files not
33 being included with the distribution [Reported by Ian Kay].
35 3.0.3 - Released 2/20/01
37 * ctsim: Fixed core dump on Linux with OpenGL
39 * ctsim: Fixed context-sensitive help on Linux
41 * ctsim: Fixed About box on Linux
43 3.0.2 - Released 2/20/01
45 * scanner.cpp: Fixed bug when number of detectors was even.
47 * ctsim: Improved error handling when trying to convert
48 divergent projections into polar form.
50 3.0.1 - Released 2/19/01
52 * ctsim: Fixed dialog box for reconstruction so that
53 rotation angle setting will stay fixed in-between use
56 * syserror: Fixed display bug for trace messages
58 * ctsim: MSVC optimization bug work-around, compiler
61 3.0.0 - Released 2/19/01
63 * ctsim: Massive update/fix to online help and print manual.
65 * ctsim: Added context-sensitive help to dialog boxes
67 * ctsim: Reformated all dialog boxes, much nicer now.
69 * ctsim: Improved accelerator key handling
71 * global: Added Hanning filter.
73 * global: Improved default parameters to that all defaults give
76 3.0.0beta1 - Released 2/11/01
78 * ctsim: Added most-recently-used files to File menu with
79 registry storage between executions.
81 * ctsim: Hides arcane features unless enabled by Preferences dialog
83 * ctsim: Added MDI interface for Windows version and made it default for Windows.
85 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
87 * ctsim: Added graphical About box
89 * ctsim: Escape key now removes cursor lines from image file view
91 * ctsim: Added Revert to ImageFile menu
93 * ctsim: Added accelerator (hotkeys) to frames
95 * ctsim: Online help added!
97 * backprojector: Added cubic interpolation
99 * ctsim: Added icons to Frames on X-Window and MS Windows versions
101 * ctsim: Fixed tick-label placement for plots on projection and
102 reconstruction dialogs.
104 * timer.h: Add use of _ftime when compiling on MSVC
106 * global: Projection files are not compatible with previous version
107 due to new scanner definitions.
109 * global: deleted concept of field-of-view and added
110 view ratio and scan ratio concepts.
112 * ctsim: Fixed crash on shutdown bug
114 * pjinfo: Fixed bug when doing --dump and not specifing --endview
116 * phm2pj: Fixed MPI bug with broadcasting of variables
118 * ctsimtext-lam: Changes for first version to compile under lam
121 3.0.0alpha5 - Released 1/12/00
123 * ctsim: Added EZPlotDialog, used by debugging plots in
126 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
127 bug in parsing command-line parameters.
129 * views.cpp: Fixed bug in copying of labels from images to
132 * syserror.cpp: fixed reporting for fatal errors
134 * projections.cpp: fixed MSVC failure with std:: namespace
136 * procsignal.cpp: fixed bug in equiangular reconstructions
137 for frequency/inverse-fourier filtering
139 3.0.0alpha4 - Released 1/09/01
141 * ctsim: Added reset to full-intensity scale menu item
143 * ctsim: Add conversion of projections to polar plot [Thanks to
144 Ian Kay for reference and math hints in polar bilinear scaling]
146 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
149 * ctsim: imagefile labels are now copied to plotfiles
151 * ctsim: Added more analyze menuitems
153 * ctsimtext: First version. All command-line tools are now accessed
154 through this master shell. Has both command-line and interactive
157 * ctsim: Fixed initialization of min/max bug for PlotFiles
159 * ezplot: Cleaned up y-tick label placement
161 * sgp: Added better support for projection/reconstruction animation
163 3.0.0alpha3 - Released 1/02/01
165 * ctsim: Added plotting of histograms
167 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
169 * ezplot.cpp: adjusted xtick label displays for better placement
171 3.0alpha2 - Released 1/02/01
173 * ctsim: All functions of command-line tools are now in graphical ctsim
175 * ctsim: added generation of filter images
177 * ctsim: Added 2-image math functions (mul, add, div, sub)
179 * ctsim: Added export of imagefiles to graphic file formats
181 * ctsim: Added support for scaling imagefiles in new sizes
183 * ctsim: Added ability to save standard phantom definitions as
184 text files suitable for reading.
186 * ctsim: Add labels for image transformations and display of labels
187 when performing properties of images.
189 * processsignal.cpp: Fixed "off by one" bug in
190 shuffleNaturalToFourierOrder when n is even. Moved functions to
193 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
194 image math functions to complex-valued math.
196 * phantom.cpp: Added ability to save phantom files as ASCII text.
198 3.0alpha1 - Released 12/29/00
200 * Added PlotFile class to system, used by if2 and ctsim for row
201 and column plots and comparison plots
203 * ctsim: Added image comparison statistics and image subtraction
205 * ctsim: Added plotting of rows & columns with y-axis scaling
207 * ctsim: Added row and column plot comparisons between two image
210 * ctsim: Added "Process" menu to image file display with math
211 functions. Added 2-dimensional inverse Fourier to math
212 functions. Added support for complex (real/imaginary) images.
214 * mathfuncs.cpp: Reworked statistics algorithm to share between
215 imagefile and plotfile classes.
217 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
218 nsamples > 2. Added generic mage math functions, moved from
219 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
222 * array2dfile.cpp: Added code to support complex (real/imaginary)
225 * if1: Updated to handle error conditions, such as sqrt of a
226 negative number. Converted to use new ImageFile math functions.
228 * if2: Updated to output plot files and use new ImageFile class
231 * if1: Updated to use new ImageFile class math functions
233 * ezplot: Reworked to better store colors/linestyles/symbols with
234 individual curves. Improved display of labels and ticks. Updated
235 to use POL class member variable. Updated to more C++ conventions.
237 * pol: converted to C++ class. Extracted HashTable to separate
240 * sgp: Added linestyle settings
243 First Microsoft Windows GUI version
244 Modifications for Microsoft Visual C++ compilation.
245 Improved pjinfo to output binary headers and view data, useful
246 when manually compiling phantoms that vary during projection
247 process. Thanks to Ian Kay for idea and code submission.
248 Improved sorting to find median in ImageFile::statistics
249 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
250 Changed reconstruction dialog to fix onto smaller screens
251 Fixed display of plotting in Projection views
252 Improved animation displays for Projections and Reconstructions
253 Changed code to explicitly use std:: namespace rather than
254 "namespace using std" statements
255 Fixed reconstruction scaling bug introduced in 2.0.6
256 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
259 Fixed minor compilation problem with procsignal.h
261 Fixed bug when simulating projections and Trace == CONSOLE
262 Fixed scaling bug when performing redundant rotations around object
265 Improved compilation on RedHat 7
266 Changed some of ANSI C header files to C++ header files
267 Removed README.RedHat7
270 Added documentation for --geometry setting
271 Added README.RedHat7 document
274 Fixed bug in generation of binary PGM files
275 Fixed MPI compilation bug in phm2pj.cpp
276 Inverted y-axis output for pj2if (bug alert from Ian Kay)
279 Additions to man pages (Ian Kay)
280 Fix problem with reading of ASCII phantom files (Ian Kay)
283 Fixed syntax error in fftw configuration
284 Slight modifications to support gcc v2.9.6
287 Version 2.0.0 released!
288 ctsim: Added Window menu to Main frame
289 ctsim: Disabled not support reconstruction method
290 Fixed obscure bug in sys_error
291 Fixed compilation in mingw environment not present
292 Fixed compilation in non-graphical environments
295 ctsim: Added animation of reconstruction
296 ctsim: Added saving of dialog parameters for Projection & Reconstruction
297 ctsim: Added progress dialog for rasterization of phantom
298 ctsim: used setpriority to set lower priority
299 ctsim: fixed pReconstruct not being deleted causing scaling problem
300 ctsim: fixed projection animation dialog buttons
303 ctsim: Added projection graph to animation of projection collection
304 ctsim: Added single stepping to projection collection animation
305 ctsim: improved File/Properties display for projection files
306 ctsim: Added progress dialog for reconstructions
307 ctsim: Added file labels for projection and reconstruction images
308 ctsim: Made File/Properties bring up modal dialogs
309 Added reconstruction for Equilinear and Equiangular geometries
310 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
311 Separated reconstruction into Reconstructor class
312 Fixed center of detector adjustment for even number of detectors
313 Added --enable-static to generate statically linked programs
316 ctsim: Added animation of projection collection processs
317 ctsim: Added Auto Scaling for image windows
318 ctsim: Change menus from "windowing" to "display scaling"
319 Added FieldOfView and FocalLength ratio parameters to projection collection
320 Added FocalLength & FieldOfView fields to projection data files
321 Added Projection collection for Equilinear and Equiangular geometries
322 Changed name of Rowland Phantom to correct name of Shepp-Logan
323 Fixed bug in backprojection selection
326 Added RCS Id strings to executable files
327 Added RPM Spec file for RPM package creation
328 Added loading of ASCII phanthom definitions from files
329 Fixed compilation for non-SGP architectures
330 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
331 Added Filter-Generation option to reconstruction to allow direct or
332 inverse_fourier construction of filters
333 Added median to statistics and to auto-windowing
336 Added line color support to SGP
340 Finished support for dmallocxx library
341 Fixed bug in SignalFilter::convertFilterMethodNameToID()
342 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
343 G2 windows and well as WXWindows.
344 ctsim program: "Create Phantom" now shows phantom object
345 Fixed row-plot bug in if-2
346 Reworked EZPlot's multiple plot operation
349 ctsim program: improved initial size and scroll area for image
351 ctsim program: added rasterization parameters, projections parameters,
352 and reconstruction parameters dialogs
353 Moved char[] static definition from header files to c++ files
354 Completely reorganized option processing in classes to improve
355 expandability and to assist ctsim graphical user interface.
358 ctsim program: Added dialog to set minimum/maximum display levels
359 Started ctsim.tex document file
362 Fixed compiler warnings at -Wall level
363 Began work on CTSim program to be graphical front-end of all functions
364 Moved current src/*.cpp to tools/*.cpp
365 Made CTSim graphical front-end's home to be src/
368 Added highly optimized backprojection method idiff3
369 Moved comparative stats to if-2 program from ifinfo
370 Fixed image display in if2img using G2 library
371 Added column-plot and row-plot options to if-2
372 Added autoselection of analytic/calculated spatial responses to SignalFilter
373 Added frequency-based preinterpolation to SignalFilter and idiff3
374 backprojection method. Currently, this technique is still under
375 development and debugging
376 Moved graphic file writing to ImageFile class from if2img program
379 Cleaned up SignalFilter class
380 Added zeropad option to pjrec
381 Added zeropad options to html and cgi files
382 Added fourier_table and rfttw filter methods
383 Added FFTW routines to use real/half-complex transformations
386 Updated trace level processing
387 Added trace level to SignalFilter
388 Fixed magnitude vs. real output bug in FFT/Fourier filter
391 Fixed const issue with ImageFileArray
392 Fixed Array2dFile::labelsCopy()
393 Added copy constructor and assignment for Array2dFileLabel class
394 Added Timer to if-2.cpp and ifinfo.cpp
395 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
396 Added option processing for filter-method for pjrec to choose
397 between convolution, dft, & fft filtering
398 Fixed format string for EZPlot so axis labels now print
399 Added support for FFTW library
402 Rewrote Array2dFile class to be non-templated
403 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
404 Rewrote Array2dFileLabel class to make members private, added access routines
405 Removed timedate.cpp in favor of standard C library time/date functions
406 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
407 Added signature tag and creation date/time to projection files
410 Standardized string option processing by classes. All classes use character strings
411 to select options rather than numeric constants. Added fail() and failMessage()
412 methods to verify that objects are created correctly by character strings.
413 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
414 Rewrote ImageFile class
415 Started support for dmallocxx library, not finished
416 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
417 Updated ifinfo to show comparative statistics
418 Added printLabels() to Array2dFile class
419 Added printStatistics() to ImageFile class
422 Moved conversion filter name/id to Filter class
423 Moved conversion backprojection name/id to Backproj class
424 Added MPI broadcasting of strings
427 Merged proj_reconstr into class Projections
428 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
429 Code cleanup in projections.cpp
430 Moved conversion of phantom names/id to Phantom class
433 Converted projection files to C++ library with frnetorderstream
434 Converted image files to C++ library with frnetorderstream
435 Converted filter and convolution to object-oriented code
436 Changed default image file to float from double -- Changable in imagefile.h
437 Optimized image file writing on little-endian architectures
438 Updated README and INSTALL
441 Reorganized source files
442 MPI bug fixed to phm2pj.cpp
445 Reorganized include files
446 Fixed const pointers in strfuncs
449 Renamed directories, moved source files, combined source files
450 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
454 Skip versions to make version 2.0 the first fully C++ version
455 Renamed Raysums to Projections throughout files
456 Renamed Detector to Scanner
457 Converted Scanner and Projecions to full object-oriented
460 Converted Phantom and PhantomElements to Object-Oriented
461 Converted Detector to Object-Oriented
464 Improved Integer backprojection method
465 Fixed nearest neighbor to be truly nearest neighbor
466 Made linear interpolation more integer arithmetic -> speed improvement
467 Finished converting all C files to C++
468 Converted all use of malloc/free to C++ new/delete
469 Began object-oriented conversion of Phantom and Projection structures
472 Converted MPI data structures to C++ object
473 Made ImageFile directly inherit from Array2dFile
476 First C++ conversions
477 Portable IF (image file) format implemented with objects (SDF removed)
478 - Now all data files are cross-platform compatible
479 Converted from MPI to MPI++
480 Converted backprojection to object-oriented
481 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
484 Simpilifed endian handling
487 Added support for 64-bit (IA64) CPU
488 Removed broken B-spline interpolation
489 Added support for cygwin platform under Windows 2000
490 Added support for 16-bit PNG graphics
493 Added compile-time configuration of endian order
496 Modified the raysum file format to be platform independent
499 Added Microsoft VC compatibility
500 Cleaned up compilation warnings in libgraph
503 Continued conversion to ANSI C
504 Removed old CRT routines
507 Renamed pictures to phantoms, objects to phantom elements
508 Continued code cleanup
511 More code cleanup with reorganizing libraries
512 Added --log and --exp to sdf-1
513 Allowed negative numbers for window levels in CGI interface
516 Continued code cleanup
520 Better documented, coded raysum in-memory on on-disk options
523 Cleaned out library that wasn't being used by CTSim
524 Modified ctsim.cgi to read in configuration file ctsim.conf
527 First open source distribution for GNU/Linux
530 Converted to GNU/Linux
531 added MPI support via LAM library
534 Developed under MS-DOS and IBM EGA graphics