3 * ctsim: Added tips to be displayed at startup and via the help menu.
5 * ctsim: Added generic threaded tasks and background manager for
6 background processing as well as taking advantage of multiple-CPU's
9 * ctsim: Added background and SMP processing for reconstructions.
11 * ctsim: Added "Verbose Logging", "Startup Tips", and
12 "Background processes" options to Preferences dialog.
14 * ctsim: Added accelerator key for File-Properties
16 * views.cpp: Added out of memory checks to display for huge
17 image and projection files.
19 * distribution: fixed problem with documentation files not
20 being included with the distribution [Reported by Ian Kay].
22 3.0.3 - Released 2/20/01
24 * ctsim: Fixed core dump on Linux with OpenGL
26 * ctsim: Fixed context-sensitive help on Linux
28 * ctsim: Fixed About box on Linux
30 3.0.2 - Released 2/20/01
32 * scanner.cpp: Fixed bug when number of detectors was even.
34 * ctsim: Improved error handling when trying to convert
35 divergent projections into polar form.
37 3.0.1 - Released 2/19/01
39 * ctsim: Fixed dialog box for reconstruction so that
40 rotation angle setting will stay fixed in-between use
43 * syserror: Fixed display bug for trace messages
45 * ctsim: MSVC optimization bug work-around, compiler
48 3.0.0 - Released 2/19/01
50 * ctsim: Massive update/fix to online help and print manual.
52 * ctsim: Added context-sensitive help to dialog boxes
54 * ctsim: Reformated all dialog boxes, much nicer now.
56 * ctsim: Improved accelerator key handling
58 * global: Added Hanning filter.
60 * global: Improved default parameters to that all defaults give
63 3.0.0beta1 - Released 2/11/01
65 * ctsim: Added most-recently-used files to File menu with
66 registry storage between executions.
68 * ctsim: Hides arcane features unless enabled by Preferences dialog
70 * ctsim: Added MDI interface for Windows version and made it default for Windows.
72 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
74 * ctsim: Added graphical About box
76 * ctsim: Escape key now removes cursor lines from image file view
78 * ctsim: Added Revert to ImageFile menu
80 * ctsim: Added accelerator (hotkeys) to frames
82 * ctsim: Online help added!
84 * backprojector: Added cubic interpolation
86 * ctsim: Added icons to Frames on X-Window and MS Windows versions
88 * ctsim: Fixed tick-label placement for plots on projection and
89 reconstruction dialogs.
91 * timer.h: Add use of _ftime when compiling on MSVC
93 * global: Projection files are not compatible with previous version
94 due to new scanner definitions.
96 * global: deleted concept of field-of-view and added
97 view ratio and scan ratio concepts.
99 * ctsim: Fixed crash on shutdown bug
101 * pjinfo: Fixed bug when doing --dump and not specifing --endview
103 * phm2pj: Fixed MPI bug with broadcasting of variables
105 * ctsimtext-lam: Changes for first version to compile under lam
108 3.0.0alpha5 - Released 1/12/00
110 * ctsim: Added EZPlotDialog, used by debugging plots in
113 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
114 bug in parsing command-line parameters.
116 * views.cpp: Fixed bug in copying of labels from images to
119 * syserror.cpp: fixed reporting for fatal errors
121 * projections.cpp: fixed MSVC failure with std:: namespace
123 * procsignal.cpp: fixed bug in equiangular reconstructions
124 for frequency/inverse-fourier filtering
126 3.0.0alpha4 - Released 1/09/01
128 * ctsim: Added reset to full-intensity scale menu item
130 * ctsim: Add conversion of projections to polar plot [Thanks to
131 Ian Kay for reference and math hints in polar bilinear scaling]
133 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
136 * ctsim: imagefile labels are now copied to plotfiles
138 * ctsim: Added more analyze menuitems
140 * ctsimtext: First version. All command-line tools are now accessed
141 through this master shell. Has both command-line and interactive
144 * ctsim: Fixed initialization of min/max bug for PlotFiles
146 * ezplot: Cleaned up y-tick label placement
148 * sgp: Added better support for projection/reconstruction animation
150 3.0.0alpha3 - Released 1/02/01
152 * ctsim: Added plotting of histograms
154 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
156 * ezplot.cpp: adjusted xtick label displays for better placement
158 3.0alpha2 - Released 1/02/01
160 * ctsim: All functions of command-line tools are now in graphical ctsim
162 * ctsim: added generation of filter images
164 * ctsim: Added 2-image math functions (mul, add, div, sub)
166 * ctsim: Added export of imagefiles to graphic file formats
168 * ctsim: Added support for scaling imagefiles in new sizes
170 * ctsim: Added ability to save standard phantom definitions as
171 text files suitable for reading.
173 * ctsim: Add labels for image transformations and display of labels
174 when performing properties of images.
176 * processsignal.cpp: Fixed "off by one" bug in
177 shuffleNaturalToFourierOrder when n is even. Moved functions to
180 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
181 image math functions to complex-valued math.
183 * phantom.cpp: Added ability to save phantom files as ASCII text.
185 3.0alpha1 - Released 12/29/00
187 * Added PlotFile class to system, used by if2 and ctsim for row
188 and column plots and comparison plots
190 * ctsim: Added image comparison statistics and image subtraction
192 * ctsim: Added plotting of rows & columns with y-axis scaling
194 * ctsim: Added row and column plot comparisons between two image
197 * ctsim: Added "Process" menu to image file display with math
198 functions. Added 2-dimensional inverse Fourier to math
199 functions. Added support for complex (real/imaginary) images.
201 * mathfuncs.cpp: Reworked statistics algorithm to share between
202 imagefile and plotfile classes.
204 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
205 nsamples > 2. Added generic mage math functions, moved from
206 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
209 * array2dfile.cpp: Added code to support complex (real/imaginary)
212 * if1: Updated to handle error conditions, such as sqrt of a
213 negative number. Converted to use new ImageFile math functions.
215 * if2: Updated to output plot files and use new ImageFile class
218 * if1: Updated to use new ImageFile class math functions
220 * ezplot: Reworked to better store colors/linestyles/symbols with
221 individual curves. Improved display of labels and ticks. Updated
222 to use POL class member variable. Updated to more C++ conventions.
224 * pol: converted to C++ class. Extracted HashTable to separate
227 * sgp: Added linestyle settings
230 First Microsoft Windows GUI version
231 Modifications for Microsoft Visual C++ compilation.
232 Improved pjinfo to output binary headers and view data, useful
233 when manually compiling phantoms that vary during projection
234 process. Thanks to Ian Kay for idea and code submission.
235 Improved sorting to find median in ImageFile::statistics
236 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
237 Changed reconstruction dialog to fix onto smaller screens
238 Fixed display of plotting in Projection views
239 Improved animation displays for Projections and Reconstructions
240 Changed code to explicitly use std:: namespace rather than
241 "namespace using std" statements
242 Fixed reconstruction scaling bug introduced in 2.0.6
243 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
246 Fixed minor compilation problem with procsignal.h
248 Fixed bug when simulating projections and Trace == CONSOLE
249 Fixed scaling bug when performing redundant rotations around object
252 Improved compilation on RedHat 7
253 Changed some of ANSI C header files to C++ header files
254 Removed README.RedHat7
257 Added documentation for --geometry setting
258 Added README.RedHat7 document
261 Fixed bug in generation of binary PGM files
262 Fixed MPI compilation bug in phm2pj.cpp
263 Inverted y-axis output for pj2if (bug alert from Ian Kay)
266 Additions to man pages (Ian Kay)
267 Fix problem with reading of ASCII phantom files (Ian Kay)
270 Fixed syntax error in fftw configuration
271 Slight modifications to support gcc v2.9.6
274 Version 2.0.0 released!
275 ctsim: Added Window menu to Main frame
276 ctsim: Disabled not support reconstruction method
277 Fixed obscure bug in sys_error
278 Fixed compilation in mingw environment not present
279 Fixed compilation in non-graphical environments
282 ctsim: Added animation of reconstruction
283 ctsim: Added saving of dialog parameters for Projection & Reconstruction
284 ctsim: Added progress dialog for rasterization of phantom
285 ctsim: used setpriority to set lower priority
286 ctsim: fixed pReconstruct not being deleted causing scaling problem
287 ctsim: fixed projection animation dialog buttons
290 ctsim: Added projection graph to animation of projection collection
291 ctsim: Added single stepping to projection collection animation
292 ctsim: improved File/Properties display for projection files
293 ctsim: Added progress dialog for reconstructions
294 ctsim: Added file labels for projection and reconstruction images
295 ctsim: Made File/Properties bring up modal dialogs
296 Added reconstruction for Equilinear and Equiangular geometries
297 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
298 Separated reconstruction into Reconstructor class
299 Fixed center of detector adjustment for even number of detectors
300 Added --enable-static to generate statically linked programs
303 ctsim: Added animation of projection collection processs
304 ctsim: Added Auto Scaling for image windows
305 ctsim: Change menus from "windowing" to "display scaling"
306 Added FieldOfView and FocalLength ratio parameters to projection collection
307 Added FocalLength & FieldOfView fields to projection data files
308 Added Projection collection for Equilinear and Equiangular geometries
309 Changed name of Rowland Phantom to correct name of Shepp-Logan
310 Fixed bug in backprojection selection
313 Added RCS Id strings to executable files
314 Added RPM Spec file for RPM package creation
315 Added loading of ASCII phanthom definitions from files
316 Fixed compilation for non-SGP architectures
317 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
318 Added Filter-Generation option to reconstruction to allow direct or
319 inverse_fourier construction of filters
320 Added median to statistics and to auto-windowing
323 Added line color support to SGP
327 Finished support for dmallocxx library
328 Fixed bug in SignalFilter::convertFilterMethodNameToID()
329 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
330 G2 windows and well as WXWindows.
331 ctsim program: "Create Phantom" now shows phantom object
332 Fixed row-plot bug in if-2
333 Reworked EZPlot's multiple plot operation
336 ctsim program: improved initial size and scroll area for image
338 ctsim program: added rasterization parameters, projections parameters,
339 and reconstruction parameters dialogs
340 Moved char[] static definition from header files to c++ files
341 Completely reorganized option processing in classes to improve
342 expandability and to assist ctsim graphical user interface.
345 ctsim program: Added dialog to set minimum/maximum display levels
346 Started ctsim.tex document file
349 Fixed compiler warnings at -Wall level
350 Began work on CTSim program to be graphical front-end of all functions
351 Moved current src/*.cpp to tools/*.cpp
352 Made CTSim graphical front-end's home to be src/
355 Added highly optimized backprojection method idiff3
356 Moved comparative stats to if-2 program from ifinfo
357 Fixed image display in if2img using G2 library
358 Added column-plot and row-plot options to if-2
359 Added autoselection of analytic/calculated spatial responses to SignalFilter
360 Added frequency-based preinterpolation to SignalFilter and idiff3
361 backprojection method. Currently, this technique is still under
362 development and debugging
363 Moved graphic file writing to ImageFile class from if2img program
366 Cleaned up SignalFilter class
367 Added zeropad option to pjrec
368 Added zeropad options to html and cgi files
369 Added fourier_table and rfttw filter methods
370 Added FFTW routines to use real/half-complex transformations
373 Updated trace level processing
374 Added trace level to SignalFilter
375 Fixed magnitude vs. real output bug in FFT/Fourier filter
378 Fixed const issue with ImageFileArray
379 Fixed Array2dFile::labelsCopy()
380 Added copy constructor and assignment for Array2dFileLabel class
381 Added Timer to if-2.cpp and ifinfo.cpp
382 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
383 Added option processing for filter-method for pjrec to choose
384 between convolution, dft, & fft filtering
385 Fixed format string for EZPlot so axis labels now print
386 Added support for FFTW library
389 Rewrote Array2dFile class to be non-templated
390 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
391 Rewrote Array2dFileLabel class to make members private, added access routines
392 Removed timedate.cpp in favor of standard C library time/date functions
393 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
394 Added signature tag and creation date/time to projection files
397 Standardized string option processing by classes. All classes use character strings
398 to select options rather than numeric constants. Added fail() and failMessage()
399 methods to verify that objects are created correctly by character strings.
400 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
401 Rewrote ImageFile class
402 Started support for dmallocxx library, not finished
403 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
404 Updated ifinfo to show comparative statistics
405 Added printLabels() to Array2dFile class
406 Added printStatistics() to ImageFile class
409 Moved conversion filter name/id to Filter class
410 Moved conversion backprojection name/id to Backproj class
411 Added MPI broadcasting of strings
414 Merged proj_reconstr into class Projections
415 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
416 Code cleanup in projections.cpp
417 Moved conversion of phantom names/id to Phantom class
420 Converted projection files to C++ library with frnetorderstream
421 Converted image files to C++ library with frnetorderstream
422 Converted filter and convolution to object-oriented code
423 Changed default image file to float from double -- Changable in imagefile.h
424 Optimized image file writing on little-endian architectures
425 Updated README and INSTALL
428 Reorganized source files
429 MPI bug fixed to phm2pj.cpp
432 Reorganized include files
433 Fixed const pointers in strfuncs
436 Renamed directories, moved source files, combined source files
437 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
441 Skip versions to make version 2.0 the first fully C++ version
442 Renamed Raysums to Projections throughout files
443 Renamed Detector to Scanner
444 Converted Scanner and Projecions to full object-oriented
447 Converted Phantom and PhantomElements to Object-Oriented
448 Converted Detector to Object-Oriented
451 Improved Integer backprojection method
452 Fixed nearest neighbor to be truly nearest neighbor
453 Made linear interpolation more integer arithmetic -> speed improvement
454 Finished converting all C files to C++
455 Converted all use of malloc/free to C++ new/delete
456 Began object-oriented conversion of Phantom and Projection structures
459 Converted MPI data structures to C++ object
460 Made ImageFile directly inherit from Array2dFile
463 First C++ conversions
464 Portable IF (image file) format implemented with objects (SDF removed)
465 - Now all data files are cross-platform compatible
466 Converted from MPI to MPI++
467 Converted backprojection to object-oriented
468 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
471 Simpilifed endian handling
474 Added support for 64-bit (IA64) CPU
475 Removed broken B-spline interpolation
476 Added support for cygwin platform under Windows 2000
477 Added support for 16-bit PNG graphics
480 Added compile-time configuration of endian order
483 Modified the raysum file format to be platform independent
486 Added Microsoft VC compatibility
487 Cleaned up compilation warnings in libgraph
490 Continued conversion to ANSI C
491 Removed old CRT routines
494 Renamed pictures to phantoms, objects to phantom elements
495 Continued code cleanup
498 More code cleanup with reorganizing libraries
499 Added --log and --exp to sdf-1
500 Allowed negative numbers for window levels in CGI interface
503 Continued code cleanup
507 Better documented, coded raysum in-memory on on-disk options
510 Cleaned out library that wasn't being used by CTSim
511 Modified ctsim.cgi to read in configuration file ctsim.conf
514 First open source distribution for GNU/Linux
517 Converted to GNU/Linux
518 added MPI support via LAM library
521 Developed under MS-DOS and IBM EGA graphics