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 imagefile export to DICOM files.
20 * ctsim: Added plot t-theta sampling to projection file menu.
22 * ctsim: Added background and SMP processing for reconstructions.
24 * ctsim: Added background and SMP processing for scanning.
26 * ctsim: Added background and SMP processing for rasterization.
28 * ctsim: Added region of interest to reconstruction dialog.
30 * ctsim: Added "Verbose Logging", "Startup Tips", and
31 "Background processes" options to Preferences dialog.
33 * plotfile: Added scattergram plot functions
35 * ctsim: Added accelerator key for File-Properties
37 * views.cpp: Added out of memory checks to display for huge
38 image and projection files.
40 * distribution: fixed problem with documentation files not
41 being included with the distribution [Reported by Ian Kay].
43 * sgp.cpp: Fixed bug in drawCircle
45 3.0.3 - Released 2/20/01
47 * ctsim: Fixed core dump on Linux with OpenGL
49 * ctsim: Fixed context-sensitive help on Linux
51 * ctsim: Fixed About box on Linux
53 3.0.2 - Released 2/20/01
55 * scanner.cpp: Fixed bug when number of detectors was even.
57 * ctsim: Improved error handling when trying to convert
58 divergent projections into polar form.
60 3.0.1 - Released 2/19/01
62 * ctsim: Fixed dialog box for reconstruction so that
63 rotation angle setting will stay fixed in-between use
66 * syserror: Fixed display bug for trace messages
68 * ctsim: MSVC optimization bug work-around, compiler
71 3.0.0 - Released 2/19/01
73 * ctsim: Massive update/fix to online help and print manual.
75 * ctsim: Added context-sensitive help to dialog boxes
77 * ctsim: Reformated all dialog boxes, much nicer now.
79 * ctsim: Improved accelerator key handling
81 * global: Added Hanning filter.
83 * global: Improved default parameters to that all defaults give
86 3.0.0beta1 - Released 2/11/01
88 * ctsim: Added most-recently-used files to File menu with
89 registry storage between executions.
91 * ctsim: Hides arcane features unless enabled by Preferences dialog
93 * ctsim: Added MDI interface for Windows version and made it default for Windows.
95 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
97 * ctsim: Added graphical About box
99 * ctsim: Escape key now removes cursor lines from image file view
101 * ctsim: Added Revert to ImageFile menu
103 * ctsim: Added accelerator (hotkeys) to frames
105 * ctsim: Online help added!
107 * backprojector: Added cubic interpolation
109 * ctsim: Added icons to Frames on X-Window and MS Windows versions
111 * ctsim: Fixed tick-label placement for plots on projection and
112 reconstruction dialogs.
114 * timer.h: Add use of _ftime when compiling on MSVC
116 * global: Projection files are not compatible with previous version
117 due to new scanner definitions.
119 * global: deleted concept of field-of-view and added
120 view ratio and scan ratio concepts.
122 * ctsim: Fixed crash on shutdown bug
124 * pjinfo: Fixed bug when doing --dump and not specifing --endview
126 * phm2pj: Fixed MPI bug with broadcasting of variables
128 * ctsimtext-lam: Changes for first version to compile under lam
131 3.0.0alpha5 - Released 1/12/00
133 * ctsim: Added EZPlotDialog, used by debugging plots in
136 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
137 bug in parsing command-line parameters.
139 * views.cpp: Fixed bug in copying of labels from images to
142 * syserror.cpp: fixed reporting for fatal errors
144 * projections.cpp: fixed MSVC failure with std:: namespace
146 * procsignal.cpp: fixed bug in equiangular reconstructions
147 for frequency/inverse-fourier filtering
149 3.0.0alpha4 - Released 1/09/01
151 * ctsim: Added reset to full-intensity scale menu item
153 * ctsim: Add conversion of projections to polar plot [Thanks to
154 Ian Kay for reference and math hints in polar bilinear scaling]
156 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
159 * ctsim: imagefile labels are now copied to plotfiles
161 * ctsim: Added more analyze menuitems
163 * ctsimtext: First version. All command-line tools are now accessed
164 through this master shell. Has both command-line and interactive
167 * ctsim: Fixed initialization of min/max bug for PlotFiles
169 * ezplot: Cleaned up y-tick label placement
171 * sgp: Added better support for projection/reconstruction animation
173 3.0.0alpha3 - Released 1/02/01
175 * ctsim: Added plotting of histograms
177 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
179 * ezplot.cpp: adjusted xtick label displays for better placement
181 3.0alpha2 - Released 1/02/01
183 * ctsim: All functions of command-line tools are now in graphical ctsim
185 * ctsim: added generation of filter images
187 * ctsim: Added 2-image math functions (mul, add, div, sub)
189 * ctsim: Added export of imagefiles to graphic file formats
191 * ctsim: Added support for scaling imagefiles in new sizes
193 * ctsim: Added ability to save standard phantom definitions as
194 text files suitable for reading.
196 * ctsim: Add labels for image transformations and display of labels
197 when performing properties of images.
199 * processsignal.cpp: Fixed "off by one" bug in
200 shuffleNaturalToFourierOrder when n is even. Moved functions to
203 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
204 image math functions to complex-valued math.
206 * phantom.cpp: Added ability to save phantom files as ASCII text.
208 3.0alpha1 - Released 12/29/00
210 * Added PlotFile class to system, used by if2 and ctsim for row
211 and column plots and comparison plots
213 * ctsim: Added image comparison statistics and image subtraction
215 * ctsim: Added plotting of rows & columns with y-axis scaling
217 * ctsim: Added row and column plot comparisons between two image
220 * ctsim: Added "Process" menu to image file display with math
221 functions. Added 2-dimensional inverse Fourier to math
222 functions. Added support for complex (real/imaginary) images.
224 * mathfuncs.cpp: Reworked statistics algorithm to share between
225 imagefile and plotfile classes.
227 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
228 nsamples > 2. Added generic mage math functions, moved from
229 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
232 * array2dfile.cpp: Added code to support complex (real/imaginary)
235 * if1: Updated to handle error conditions, such as sqrt of a
236 negative number. Converted to use new ImageFile math functions.
238 * if2: Updated to output plot files and use new ImageFile class
241 * if1: Updated to use new ImageFile class math functions
243 * ezplot: Reworked to better store colors/linestyles/symbols with
244 individual curves. Improved display of labels and ticks. Updated
245 to use POL class member variable. Updated to more C++ conventions.
247 * pol: converted to C++ class. Extracted HashTable to separate
250 * sgp: Added linestyle settings
253 First Microsoft Windows GUI version
254 Modifications for Microsoft Visual C++ compilation.
255 Improved pjinfo to output binary headers and view data, useful
256 when manually compiling phantoms that vary during projection
257 process. Thanks to Ian Kay for idea and code submission.
258 Improved sorting to find median in ImageFile::statistics
259 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
260 Changed reconstruction dialog to fix onto smaller screens
261 Fixed display of plotting in Projection views
262 Improved animation displays for Projections and Reconstructions
263 Changed code to explicitly use std:: namespace rather than
264 "namespace using std" statements
265 Fixed reconstruction scaling bug introduced in 2.0.6
266 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
269 Fixed minor compilation problem with procsignal.h
271 Fixed bug when simulating projections and Trace == CONSOLE
272 Fixed scaling bug when performing redundant rotations around object
275 Improved compilation on RedHat 7
276 Changed some of ANSI C header files to C++ header files
277 Removed README.RedHat7
280 Added documentation for --geometry setting
281 Added README.RedHat7 document
284 Fixed bug in generation of binary PGM files
285 Fixed MPI compilation bug in phm2pj.cpp
286 Inverted y-axis output for pj2if (bug alert from Ian Kay)
289 Additions to man pages (Ian Kay)
290 Fix problem with reading of ASCII phantom files (Ian Kay)
293 Fixed syntax error in fftw configuration
294 Slight modifications to support gcc v2.9.6
297 Version 2.0.0 released!
298 ctsim: Added Window menu to Main frame
299 ctsim: Disabled not support reconstruction method
300 Fixed obscure bug in sys_error
301 Fixed compilation in mingw environment not present
302 Fixed compilation in non-graphical environments
305 ctsim: Added animation of reconstruction
306 ctsim: Added saving of dialog parameters for Projection & Reconstruction
307 ctsim: Added progress dialog for rasterization of phantom
308 ctsim: used setpriority to set lower priority
309 ctsim: fixed pReconstruct not being deleted causing scaling problem
310 ctsim: fixed projection animation dialog buttons
313 ctsim: Added projection graph to animation of projection collection
314 ctsim: Added single stepping to projection collection animation
315 ctsim: improved File/Properties display for projection files
316 ctsim: Added progress dialog for reconstructions
317 ctsim: Added file labels for projection and reconstruction images
318 ctsim: Made File/Properties bring up modal dialogs
319 Added reconstruction for Equilinear and Equiangular geometries
320 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
321 Separated reconstruction into Reconstructor class
322 Fixed center of detector adjustment for even number of detectors
323 Added --enable-static to generate statically linked programs
326 ctsim: Added animation of projection collection processs
327 ctsim: Added Auto Scaling for image windows
328 ctsim: Change menus from "windowing" to "display scaling"
329 Added FieldOfView and FocalLength ratio parameters to projection collection
330 Added FocalLength & FieldOfView fields to projection data files
331 Added Projection collection for Equilinear and Equiangular geometries
332 Changed name of Rowland Phantom to correct name of Shepp-Logan
333 Fixed bug in backprojection selection
336 Added RCS Id strings to executable files
337 Added RPM Spec file for RPM package creation
338 Added loading of ASCII phanthom definitions from files
339 Fixed compilation for non-SGP architectures
340 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
341 Added Filter-Generation option to reconstruction to allow direct or
342 inverse_fourier construction of filters
343 Added median to statistics and to auto-windowing
346 Added line color support to SGP
350 Finished support for dmallocxx library
351 Fixed bug in SignalFilter::convertFilterMethodNameToID()
352 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
353 G2 windows and well as WXWindows.
354 ctsim program: "Create Phantom" now shows phantom object
355 Fixed row-plot bug in if-2
356 Reworked EZPlot's multiple plot operation
359 ctsim program: improved initial size and scroll area for image
361 ctsim program: added rasterization parameters, projections parameters,
362 and reconstruction parameters dialogs
363 Moved char[] static definition from header files to c++ files
364 Completely reorganized option processing in classes to improve
365 expandability and to assist ctsim graphical user interface.
368 ctsim program: Added dialog to set minimum/maximum display levels
369 Started ctsim.tex document file
372 Fixed compiler warnings at -Wall level
373 Began work on CTSim program to be graphical front-end of all functions
374 Moved current src/*.cpp to tools/*.cpp
375 Made CTSim graphical front-end's home to be src/
378 Added highly optimized backprojection method idiff3
379 Moved comparative stats to if-2 program from ifinfo
380 Fixed image display in if2img using G2 library
381 Added column-plot and row-plot options to if-2
382 Added autoselection of analytic/calculated spatial responses to SignalFilter
383 Added frequency-based preinterpolation to SignalFilter and idiff3
384 backprojection method. Currently, this technique is still under
385 development and debugging
386 Moved graphic file writing to ImageFile class from if2img program
389 Cleaned up SignalFilter class
390 Added zeropad option to pjrec
391 Added zeropad options to html and cgi files
392 Added fourier_table and rfttw filter methods
393 Added FFTW routines to use real/half-complex transformations
396 Updated trace level processing
397 Added trace level to SignalFilter
398 Fixed magnitude vs. real output bug in FFT/Fourier filter
401 Fixed const issue with ImageFileArray
402 Fixed Array2dFile::labelsCopy()
403 Added copy constructor and assignment for Array2dFileLabel class
404 Added Timer to if-2.cpp and ifinfo.cpp
405 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
406 Added option processing for filter-method for pjrec to choose
407 between convolution, dft, & fft filtering
408 Fixed format string for EZPlot so axis labels now print
409 Added support for FFTW library
412 Rewrote Array2dFile class to be non-templated
413 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
414 Rewrote Array2dFileLabel class to make members private, added access routines
415 Removed timedate.cpp in favor of standard C library time/date functions
416 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
417 Added signature tag and creation date/time to projection files
420 Standardized string option processing by classes. All classes use character strings
421 to select options rather than numeric constants. Added fail() and failMessage()
422 methods to verify that objects are created correctly by character strings.
423 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
424 Rewrote ImageFile class
425 Started support for dmallocxx library, not finished
426 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
427 Updated ifinfo to show comparative statistics
428 Added printLabels() to Array2dFile class
429 Added printStatistics() to ImageFile class
432 Moved conversion filter name/id to Filter class
433 Moved conversion backprojection name/id to Backproj class
434 Added MPI broadcasting of strings
437 Merged proj_reconstr into class Projections
438 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
439 Code cleanup in projections.cpp
440 Moved conversion of phantom names/id to Phantom class
443 Converted projection files to C++ library with frnetorderstream
444 Converted image files to C++ library with frnetorderstream
445 Converted filter and convolution to object-oriented code
446 Changed default image file to float from double -- Changable in imagefile.h
447 Optimized image file writing on little-endian architectures
448 Updated README and INSTALL
451 Reorganized source files
452 MPI bug fixed to phm2pj.cpp
455 Reorganized include files
456 Fixed const pointers in strfuncs
459 Renamed directories, moved source files, combined source files
460 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
464 Skip versions to make version 2.0 the first fully C++ version
465 Renamed Raysums to Projections throughout files
466 Renamed Detector to Scanner
467 Converted Scanner and Projecions to full object-oriented
470 Converted Phantom and PhantomElements to Object-Oriented
471 Converted Detector to Object-Oriented
474 Improved Integer backprojection method
475 Fixed nearest neighbor to be truly nearest neighbor
476 Made linear interpolation more integer arithmetic -> speed improvement
477 Finished converting all C files to C++
478 Converted all use of malloc/free to C++ new/delete
479 Began object-oriented conversion of Phantom and Projection structures
482 Converted MPI data structures to C++ object
483 Made ImageFile directly inherit from Array2dFile
486 First C++ conversions
487 Portable IF (image file) format implemented with objects (SDF removed)
488 - Now all data files are cross-platform compatible
489 Converted from MPI to MPI++
490 Converted backprojection to object-oriented
491 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
494 Simpilifed endian handling
497 Added support for 64-bit (IA64) CPU
498 Removed broken B-spline interpolation
499 Added support for cygwin platform under Windows 2000
500 Added support for 16-bit PNG graphics
503 Added compile-time configuration of endian order
506 Modified the raysum file format to be platform independent
509 Added Microsoft VC compatibility
510 Cleaned up compilation warnings in libgraph
513 Continued conversion to ANSI C
514 Removed old CRT routines
517 Renamed pictures to phantoms, objects to phantom elements
518 Continued code cleanup
521 More code cleanup with reorganizing libraries
522 Added --log and --exp to sdf-1
523 Allowed negative numbers for window levels in CGI interface
526 Continued code cleanup
530 Better documented, coded raysum in-memory on on-disk options
533 Cleaned out library that wasn't being used by CTSim
534 Modified ctsim.cgi to read in configuration file ctsim.conf
537 First open source distribution for GNU/Linux
540 Converted to GNU/Linux
541 added MPI support via LAM library
544 Developed under MS-DOS and IBM EGA graphics