3 * ctsim: Added "Verbose Logging" and "Startup Tips" options
6 * ctsim: Added tips to be displayed at startup and via the help menu.
8 * ctsim: Added accelerator key for File-Properties
10 * ctsim: Added threaded reconstructions for background
11 processing as well as taking advantage of multiple-CPU's
14 3.0.3 - Released 2/20/01
16 * ctsim: Fixed core dump on Linux with OpenGL
18 * ctsim: Fixed context-sensitive help on Linux
20 * ctsim: Fixed About box on Linux
22 3.0.2 - Released 2/20/01
24 * scanner.cpp: Fixed bug when number of detectors was even.
26 * ctsim: Improved error handling when trying to convert
27 divergent projections into polar form.
29 3.0.1 - Released 2/19/01
31 * ctsim: Fixed dialog box for reconstruction so that
32 rotation angle setting will stay fixed in-between use
35 * syserror: Fixed display bug for trace messages
37 * ctsim: MSVC optimization bug work-around, compiler
40 3.0.0 - Released 2/19/01
42 * ctsim: Massive update/fix to online help and print manual.
44 * ctsim: Added context-sensitive help to dialog boxes
46 * ctsim: Reformated all dialog boxes, much nicer now.
48 * ctsim: Improved accelerator key handling
50 * global: Added Hanning filter.
52 * global: Improved default parameters to that all defaults give
55 3.0.0beta1 - Released 2/11/01
57 * ctsim: Added most-recently-used files to File menu with
58 registry storage between executions.
60 * ctsim: Hides arcane features unless enabled by Preferences dialog
62 * ctsim: Added MDI interface for Windows version and made it default for Windows.
64 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
66 * ctsim: Added graphical About box
68 * ctsim: Escape key now removes cursor lines from image file view
70 * ctsim: Added Revert to ImageFile menu
72 * ctsim: Added accelerator (hotkeys) to frames
74 * ctsim: Online help added!
76 * backprojector: Added cubic interpolation
78 * ctsim: Added icons to Frames on X-Window and MS Windows versions
80 * ctsim: Fixed tick-label placement for plots on projection and
81 reconstruction dialogs.
83 * timer.h: Add use of _ftime when compiling on MSVC
85 * global: Projection files are not compatible with previous version
86 due to new scanner definitions.
88 * global: deleted concept of field-of-view and added
89 view ratio and scan ratio concepts.
91 * ctsim: Fixed crash on shutdown bug
93 * pjinfo: Fixed bug when doing --dump and not specifing --endview
95 * phm2pj: Fixed MPI bug with broadcasting of variables
97 * ctsimtext-lam: Changes for first version to compile under lam
100 3.0.0alpha5 - Released 1/12/00
102 * ctsim: Added EZPlotDialog, used by debugging plots in
105 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
106 bug in parsing command-line parameters.
108 * views.cpp: Fixed bug in copying of labels from images to
111 * syserror.cpp: fixed reporting for fatal errors
113 * projections.cpp: fixed MSVC failure with std:: namespace
115 * procsignal.cpp: fixed bug in equiangular reconstructions
116 for frequency/inverse-fourier filtering
118 3.0.0alpha4 - Released 1/09/01
120 * ctsim: Added reset to full-intensity scale menu item
122 * ctsim: Add conversion of projections to polar plot [Thanks to
123 Ian Kay for reference and math hints in polar bilinear scaling]
125 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
128 * ctsim: imagefile labels are now copied to plotfiles
130 * ctsim: Added more analyze menuitems
132 * ctsimtext: First version. All command-line tools are now accessed
133 through this master shell. Has both command-line and interactive
136 * ctsim: Fixed initialization of min/max bug for PlotFiles
138 * ezplot: Cleaned up y-tick label placement
140 * sgp: Added better support for projection/reconstruction animation
142 3.0.0alpha3 - Released 1/02/01
144 * ctsim: Added plotting of histograms
146 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
148 * ezplot.cpp: adjusted xtick label displays for better placement
150 3.0alpha2 - Released 1/02/01
152 * ctsim: All functions of command-line tools are now in graphical ctsim
154 * ctsim: added generation of filter images
156 * ctsim: Added 2-image math functions (mul, add, div, sub)
158 * ctsim: Added export of imagefiles to graphic file formats
160 * ctsim: Added support for scaling imagefiles in new sizes
162 * ctsim: Added ability to save standard phantom definitions as
163 text files suitable for reading.
165 * ctsim: Add labels for image transformations and display of labels
166 when performing properties of images.
168 * processsignal.cpp: Fixed "off by one" bug in
169 shuffleNaturalToFourierOrder when n is even. Moved functions to
172 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
173 image math functions to complex-valued math.
175 * phantom.cpp: Added ability to save phantom files as ASCII text.
177 3.0alpha1 - Released 12/29/00
179 * Added PlotFile class to system, used by if2 and ctsim for row
180 and column plots and comparison plots
182 * ctsim: Added image comparison statistics and image subtraction
184 * ctsim: Added plotting of rows & columns with y-axis scaling
186 * ctsim: Added row and column plot comparisons between two image
189 * ctsim: Added "Process" menu to image file display with math
190 functions. Added 2-dimensional inverse Fourier to math
191 functions. Added support for complex (real/imaginary) images.
193 * mathfuncs.cpp: Reworked statistics algorithm to share between
194 imagefile and plotfile classes.
196 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
197 nsamples > 2. Added generic mage math functions, moved from
198 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
201 * array2dfile.cpp: Added code to support complex (real/imaginary)
204 * if1: Updated to handle error conditions, such as sqrt of a
205 negative number. Converted to use new ImageFile math functions.
207 * if2: Updated to output plot files and use new ImageFile class
210 * if1: Updated to use new ImageFile class math functions
212 * ezplot: Reworked to better store colors/linestyles/symbols with
213 individual curves. Improved display of labels and ticks. Updated
214 to use POL class member variable. Updated to more C++ conventions.
216 * pol: converted to C++ class. Extracted HashTable to separate
219 * sgp: Added linestyle settings
222 First Microsoft Windows GUI version
223 Modifications for Microsoft Visual C++ compilation.
224 Improved pjinfo to output binary headers and view data, useful
225 when manually compiling phantoms that vary during projection
226 process. Thanks to Ian Kay for idea and code submission.
227 Improved sorting to find median in ImageFile::statistics
228 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
229 Changed reconstruction dialog to fix onto smaller screens
230 Fixed display of plotting in Projection views
231 Improved animation displays for Projections and Reconstructions
232 Changed code to explicitly use std:: namespace rather than
233 "namespace using std" statements
234 Fixed reconstruction scaling bug introduced in 2.0.6
235 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
238 Fixed minor compilation problem with procsignal.h
240 Fixed bug when simulating projections and Trace == CONSOLE
241 Fixed scaling bug when performing redundant rotations around object
244 Improved compilation on RedHat 7
245 Changed some of ANSI C header files to C++ header files
246 Removed README.RedHat7
249 Added documentation for --geometry setting
250 Added README.RedHat7 document
253 Fixed bug in generation of binary PGM files
254 Fixed MPI compilation bug in phm2pj.cpp
255 Inverted y-axis output for pj2if (bug alert from Ian Kay)
258 Additions to man pages (Ian Kay)
259 Fix problem with reading of ASCII phantom files (Ian Kay)
262 Fixed syntax error in fftw configuration
263 Slight modifications to support gcc v2.9.6
266 Version 2.0.0 released!
267 ctsim: Added Window menu to Main frame
268 ctsim: Disabled not support reconstruction method
269 Fixed obscure bug in sys_error
270 Fixed compilation in mingw environment not present
271 Fixed compilation in non-graphical environments
274 ctsim: Added animation of reconstruction
275 ctsim: Added saving of dialog parameters for Projection & Reconstruction
276 ctsim: Added progress dialog for rasterization of phantom
277 ctsim: used setpriority to set lower priority
278 ctsim: fixed pReconstruct not being deleted causing scaling problem
279 ctsim: fixed projection animation dialog buttons
282 ctsim: Added projection graph to animation of projection collection
283 ctsim: Added single stepping to projection collection animation
284 ctsim: improved File/Properties display for projection files
285 ctsim: Added progress dialog for reconstructions
286 ctsim: Added file labels for projection and reconstruction images
287 ctsim: Made File/Properties bring up modal dialogs
288 Added reconstruction for Equilinear and Equiangular geometries
289 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
290 Separated reconstruction into Reconstructor class
291 Fixed center of detector adjustment for even number of detectors
292 Added --enable-static to generate statically linked programs
295 ctsim: Added animation of projection collection processs
296 ctsim: Added Auto Scaling for image windows
297 ctsim: Change menus from "windowing" to "display scaling"
298 Added FieldOfView and FocalLength ratio parameters to projection collection
299 Added FocalLength & FieldOfView fields to projection data files
300 Added Projection collection for Equilinear and Equiangular geometries
301 Changed name of Rowland Phantom to correct name of Shepp-Logan
302 Fixed bug in backprojection selection
305 Added RCS Id strings to executable files
306 Added RPM Spec file for RPM package creation
307 Added loading of ASCII phanthom definitions from files
308 Fixed compilation for non-SGP architectures
309 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
310 Added Filter-Generation option to reconstruction to allow direct or
311 inverse_fourier construction of filters
312 Added median to statistics and to auto-windowing
315 Added line color support to SGP
319 Finished support for dmallocxx library
320 Fixed bug in SignalFilter::convertFilterMethodNameToID()
321 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
322 G2 windows and well as WXWindows.
323 ctsim program: "Create Phantom" now shows phantom object
324 Fixed row-plot bug in if-2
325 Reworked EZPlot's multiple plot operation
328 ctsim program: improved initial size and scroll area for image
330 ctsim program: added rasterization parameters, projections parameters,
331 and reconstruction parameters dialogs
332 Moved char[] static definition from header files to c++ files
333 Completely reorganized option processing in classes to improve
334 expandability and to assist ctsim graphical user interface.
337 ctsim program: Added dialog to set minimum/maximum display levels
338 Started ctsim.tex document file
341 Fixed compiler warnings at -Wall level
342 Began work on CTSim program to be graphical front-end of all functions
343 Moved current src/*.cpp to tools/*.cpp
344 Made CTSim graphical front-end's home to be src/
347 Added highly optimized backprojection method idiff3
348 Moved comparative stats to if-2 program from ifinfo
349 Fixed image display in if2img using G2 library
350 Added column-plot and row-plot options to if-2
351 Added autoselection of analytic/calculated spatial responses to SignalFilter
352 Added frequency-based preinterpolation to SignalFilter and idiff3
353 backprojection method. Currently, this technique is still under
354 development and debugging
355 Moved graphic file writing to ImageFile class from if2img program
358 Cleaned up SignalFilter class
359 Added zeropad option to pjrec
360 Added zeropad options to html and cgi files
361 Added fourier_table and rfttw filter methods
362 Added FFTW routines to use real/half-complex transformations
365 Updated trace level processing
366 Added trace level to SignalFilter
367 Fixed magnitude vs. real output bug in FFT/Fourier filter
370 Fixed const issue with ImageFileArray
371 Fixed Array2dFile::labelsCopy()
372 Added copy constructor and assignment for Array2dFileLabel class
373 Added Timer to if-2.cpp and ifinfo.cpp
374 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
375 Added option processing for filter-method for pjrec to choose
376 between convolution, dft, & fft filtering
377 Fixed format string for EZPlot so axis labels now print
378 Added support for FFTW library
381 Rewrote Array2dFile class to be non-templated
382 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
383 Rewrote Array2dFileLabel class to make members private, added access routines
384 Removed timedate.cpp in favor of standard C library time/date functions
385 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
386 Added signature tag and creation date/time to projection files
389 Standardized string option processing by classes. All classes use character strings
390 to select options rather than numeric constants. Added fail() and failMessage()
391 methods to verify that objects are created correctly by character strings.
392 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
393 Rewrote ImageFile class
394 Started support for dmallocxx library, not finished
395 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
396 Updated ifinfo to show comparative statistics
397 Added printLabels() to Array2dFile class
398 Added printStatistics() to ImageFile class
401 Moved conversion filter name/id to Filter class
402 Moved conversion backprojection name/id to Backproj class
403 Added MPI broadcasting of strings
406 Merged proj_reconstr into class Projections
407 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
408 Code cleanup in projections.cpp
409 Moved conversion of phantom names/id to Phantom class
412 Converted projection files to C++ library with frnetorderstream
413 Converted image files to C++ library with frnetorderstream
414 Converted filter and convolution to object-oriented code
415 Changed default image file to float from double -- Changable in imagefile.h
416 Optimized image file writing on little-endian architectures
417 Updated README and INSTALL
420 Reorganized source files
421 MPI bug fixed to phm2pj.cpp
424 Reorganized include files
425 Fixed const pointers in strfuncs
428 Renamed directories, moved source files, combined source files
429 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
433 Skip versions to make version 2.0 the first fully C++ version
434 Renamed Raysums to Projections throughout files
435 Renamed Detector to Scanner
436 Converted Scanner and Projecions to full object-oriented
439 Converted Phantom and PhantomElements to Object-Oriented
440 Converted Detector to Object-Oriented
443 Improved Integer backprojection method
444 Fixed nearest neighbor to be truly nearest neighbor
445 Made linear interpolation more integer arithmetic -> speed improvement
446 Finished converting all C files to C++
447 Converted all use of malloc/free to C++ new/delete
448 Began object-oriented conversion of Phantom and Projection structures
451 Converted MPI data structures to C++ object
452 Made ImageFile directly inherit from Array2dFile
455 First C++ conversions
456 Portable IF (image file) format implemented with objects (SDF removed)
457 - Now all data files are cross-platform compatible
458 Converted from MPI to MPI++
459 Converted backprojection to object-oriented
460 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
463 Simpilifed endian handling
466 Added support for 64-bit (IA64) CPU
467 Removed broken B-spline interpolation
468 Added support for cygwin platform under Windows 2000
469 Added support for 16-bit PNG graphics
472 Added compile-time configuration of endian order
475 Modified the raysum file format to be platform independent
478 Added Microsoft VC compatibility
479 Cleaned up compilation warnings in libgraph
482 Continued conversion to ANSI C
483 Removed old CRT routines
486 Renamed pictures to phantoms, objects to phantom elements
487 Continued code cleanup
490 More code cleanup with reorganizing libraries
491 Added --log and --exp to sdf-1
492 Allowed negative numbers for window levels in CGI interface
495 Continued code cleanup
499 Better documented, coded raysum in-memory on on-disk options
502 Cleaned out library that wasn't being used by CTSim
503 Modified ctsim.cgi to read in configuration file ctsim.conf
506 First open source distribution for GNU/Linux
509 Converted to GNU/Linux
510 added MPI support via LAM library
513 Developed under MS-DOS and IBM EGA graphics