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 background and SMP processing for scanning.
13 * ctsim: Added background and SMP processing for rasterization.
15 * ctsim: Added "Verbose Logging", "Startup Tips", and
16 "Background processes" options to Preferences dialog.
18 * ctsim: Added accelerator key for File-Properties
20 * views.cpp: Added out of memory checks to display for huge
21 image and projection files.
23 * distribution: fixed problem with documentation files not
24 being included with the distribution [Reported by Ian Kay].
26 3.0.3 - Released 2/20/01
28 * ctsim: Fixed core dump on Linux with OpenGL
30 * ctsim: Fixed context-sensitive help on Linux
32 * ctsim: Fixed About box on Linux
34 3.0.2 - Released 2/20/01
36 * scanner.cpp: Fixed bug when number of detectors was even.
38 * ctsim: Improved error handling when trying to convert
39 divergent projections into polar form.
41 3.0.1 - Released 2/19/01
43 * ctsim: Fixed dialog box for reconstruction so that
44 rotation angle setting will stay fixed in-between use
47 * syserror: Fixed display bug for trace messages
49 * ctsim: MSVC optimization bug work-around, compiler
52 3.0.0 - Released 2/19/01
54 * ctsim: Massive update/fix to online help and print manual.
56 * ctsim: Added context-sensitive help to dialog boxes
58 * ctsim: Reformated all dialog boxes, much nicer now.
60 * ctsim: Improved accelerator key handling
62 * global: Added Hanning filter.
64 * global: Improved default parameters to that all defaults give
67 3.0.0beta1 - Released 2/11/01
69 * ctsim: Added most-recently-used files to File menu with
70 registry storage between executions.
72 * ctsim: Hides arcane features unless enabled by Preferences dialog
74 * ctsim: Added MDI interface for Windows version and made it default for Windows.
76 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
78 * ctsim: Added graphical About box
80 * ctsim: Escape key now removes cursor lines from image file view
82 * ctsim: Added Revert to ImageFile menu
84 * ctsim: Added accelerator (hotkeys) to frames
86 * ctsim: Online help added!
88 * backprojector: Added cubic interpolation
90 * ctsim: Added icons to Frames on X-Window and MS Windows versions
92 * ctsim: Fixed tick-label placement for plots on projection and
93 reconstruction dialogs.
95 * timer.h: Add use of _ftime when compiling on MSVC
97 * global: Projection files are not compatible with previous version
98 due to new scanner definitions.
100 * global: deleted concept of field-of-view and added
101 view ratio and scan ratio concepts.
103 * ctsim: Fixed crash on shutdown bug
105 * pjinfo: Fixed bug when doing --dump and not specifing --endview
107 * phm2pj: Fixed MPI bug with broadcasting of variables
109 * ctsimtext-lam: Changes for first version to compile under lam
112 3.0.0alpha5 - Released 1/12/00
114 * ctsim: Added EZPlotDialog, used by debugging plots in
117 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
118 bug in parsing command-line parameters.
120 * views.cpp: Fixed bug in copying of labels from images to
123 * syserror.cpp: fixed reporting for fatal errors
125 * projections.cpp: fixed MSVC failure with std:: namespace
127 * procsignal.cpp: fixed bug in equiangular reconstructions
128 for frequency/inverse-fourier filtering
130 3.0.0alpha4 - Released 1/09/01
132 * ctsim: Added reset to full-intensity scale menu item
134 * ctsim: Add conversion of projections to polar plot [Thanks to
135 Ian Kay for reference and math hints in polar bilinear scaling]
137 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
140 * ctsim: imagefile labels are now copied to plotfiles
142 * ctsim: Added more analyze menuitems
144 * ctsimtext: First version. All command-line tools are now accessed
145 through this master shell. Has both command-line and interactive
148 * ctsim: Fixed initialization of min/max bug for PlotFiles
150 * ezplot: Cleaned up y-tick label placement
152 * sgp: Added better support for projection/reconstruction animation
154 3.0.0alpha3 - Released 1/02/01
156 * ctsim: Added plotting of histograms
158 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
160 * ezplot.cpp: adjusted xtick label displays for better placement
162 3.0alpha2 - Released 1/02/01
164 * ctsim: All functions of command-line tools are now in graphical ctsim
166 * ctsim: added generation of filter images
168 * ctsim: Added 2-image math functions (mul, add, div, sub)
170 * ctsim: Added export of imagefiles to graphic file formats
172 * ctsim: Added support for scaling imagefiles in new sizes
174 * ctsim: Added ability to save standard phantom definitions as
175 text files suitable for reading.
177 * ctsim: Add labels for image transformations and display of labels
178 when performing properties of images.
180 * processsignal.cpp: Fixed "off by one" bug in
181 shuffleNaturalToFourierOrder when n is even. Moved functions to
184 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
185 image math functions to complex-valued math.
187 * phantom.cpp: Added ability to save phantom files as ASCII text.
189 3.0alpha1 - Released 12/29/00
191 * Added PlotFile class to system, used by if2 and ctsim for row
192 and column plots and comparison plots
194 * ctsim: Added image comparison statistics and image subtraction
196 * ctsim: Added plotting of rows & columns with y-axis scaling
198 * ctsim: Added row and column plot comparisons between two image
201 * ctsim: Added "Process" menu to image file display with math
202 functions. Added 2-dimensional inverse Fourier to math
203 functions. Added support for complex (real/imaginary) images.
205 * mathfuncs.cpp: Reworked statistics algorithm to share between
206 imagefile and plotfile classes.
208 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
209 nsamples > 2. Added generic mage math functions, moved from
210 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
213 * array2dfile.cpp: Added code to support complex (real/imaginary)
216 * if1: Updated to handle error conditions, such as sqrt of a
217 negative number. Converted to use new ImageFile math functions.
219 * if2: Updated to output plot files and use new ImageFile class
222 * if1: Updated to use new ImageFile class math functions
224 * ezplot: Reworked to better store colors/linestyles/symbols with
225 individual curves. Improved display of labels and ticks. Updated
226 to use POL class member variable. Updated to more C++ conventions.
228 * pol: converted to C++ class. Extracted HashTable to separate
231 * sgp: Added linestyle settings
234 First Microsoft Windows GUI version
235 Modifications for Microsoft Visual C++ compilation.
236 Improved pjinfo to output binary headers and view data, useful
237 when manually compiling phantoms that vary during projection
238 process. Thanks to Ian Kay for idea and code submission.
239 Improved sorting to find median in ImageFile::statistics
240 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
241 Changed reconstruction dialog to fix onto smaller screens
242 Fixed display of plotting in Projection views
243 Improved animation displays for Projections and Reconstructions
244 Changed code to explicitly use std:: namespace rather than
245 "namespace using std" statements
246 Fixed reconstruction scaling bug introduced in 2.0.6
247 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
250 Fixed minor compilation problem with procsignal.h
252 Fixed bug when simulating projections and Trace == CONSOLE
253 Fixed scaling bug when performing redundant rotations around object
256 Improved compilation on RedHat 7
257 Changed some of ANSI C header files to C++ header files
258 Removed README.RedHat7
261 Added documentation for --geometry setting
262 Added README.RedHat7 document
265 Fixed bug in generation of binary PGM files
266 Fixed MPI compilation bug in phm2pj.cpp
267 Inverted y-axis output for pj2if (bug alert from Ian Kay)
270 Additions to man pages (Ian Kay)
271 Fix problem with reading of ASCII phantom files (Ian Kay)
274 Fixed syntax error in fftw configuration
275 Slight modifications to support gcc v2.9.6
278 Version 2.0.0 released!
279 ctsim: Added Window menu to Main frame
280 ctsim: Disabled not support reconstruction method
281 Fixed obscure bug in sys_error
282 Fixed compilation in mingw environment not present
283 Fixed compilation in non-graphical environments
286 ctsim: Added animation of reconstruction
287 ctsim: Added saving of dialog parameters for Projection & Reconstruction
288 ctsim: Added progress dialog for rasterization of phantom
289 ctsim: used setpriority to set lower priority
290 ctsim: fixed pReconstruct not being deleted causing scaling problem
291 ctsim: fixed projection animation dialog buttons
294 ctsim: Added projection graph to animation of projection collection
295 ctsim: Added single stepping to projection collection animation
296 ctsim: improved File/Properties display for projection files
297 ctsim: Added progress dialog for reconstructions
298 ctsim: Added file labels for projection and reconstruction images
299 ctsim: Made File/Properties bring up modal dialogs
300 Added reconstruction for Equilinear and Equiangular geometries
301 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
302 Separated reconstruction into Reconstructor class
303 Fixed center of detector adjustment for even number of detectors
304 Added --enable-static to generate statically linked programs
307 ctsim: Added animation of projection collection processs
308 ctsim: Added Auto Scaling for image windows
309 ctsim: Change menus from "windowing" to "display scaling"
310 Added FieldOfView and FocalLength ratio parameters to projection collection
311 Added FocalLength & FieldOfView fields to projection data files
312 Added Projection collection for Equilinear and Equiangular geometries
313 Changed name of Rowland Phantom to correct name of Shepp-Logan
314 Fixed bug in backprojection selection
317 Added RCS Id strings to executable files
318 Added RPM Spec file for RPM package creation
319 Added loading of ASCII phanthom definitions from files
320 Fixed compilation for non-SGP architectures
321 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
322 Added Filter-Generation option to reconstruction to allow direct or
323 inverse_fourier construction of filters
324 Added median to statistics and to auto-windowing
327 Added line color support to SGP
331 Finished support for dmallocxx library
332 Fixed bug in SignalFilter::convertFilterMethodNameToID()
333 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
334 G2 windows and well as WXWindows.
335 ctsim program: "Create Phantom" now shows phantom object
336 Fixed row-plot bug in if-2
337 Reworked EZPlot's multiple plot operation
340 ctsim program: improved initial size and scroll area for image
342 ctsim program: added rasterization parameters, projections parameters,
343 and reconstruction parameters dialogs
344 Moved char[] static definition from header files to c++ files
345 Completely reorganized option processing in classes to improve
346 expandability and to assist ctsim graphical user interface.
349 ctsim program: Added dialog to set minimum/maximum display levels
350 Started ctsim.tex document file
353 Fixed compiler warnings at -Wall level
354 Began work on CTSim program to be graphical front-end of all functions
355 Moved current src/*.cpp to tools/*.cpp
356 Made CTSim graphical front-end's home to be src/
359 Added highly optimized backprojection method idiff3
360 Moved comparative stats to if-2 program from ifinfo
361 Fixed image display in if2img using G2 library
362 Added column-plot and row-plot options to if-2
363 Added autoselection of analytic/calculated spatial responses to SignalFilter
364 Added frequency-based preinterpolation to SignalFilter and idiff3
365 backprojection method. Currently, this technique is still under
366 development and debugging
367 Moved graphic file writing to ImageFile class from if2img program
370 Cleaned up SignalFilter class
371 Added zeropad option to pjrec
372 Added zeropad options to html and cgi files
373 Added fourier_table and rfttw filter methods
374 Added FFTW routines to use real/half-complex transformations
377 Updated trace level processing
378 Added trace level to SignalFilter
379 Fixed magnitude vs. real output bug in FFT/Fourier filter
382 Fixed const issue with ImageFileArray
383 Fixed Array2dFile::labelsCopy()
384 Added copy constructor and assignment for Array2dFileLabel class
385 Added Timer to if-2.cpp and ifinfo.cpp
386 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
387 Added option processing for filter-method for pjrec to choose
388 between convolution, dft, & fft filtering
389 Fixed format string for EZPlot so axis labels now print
390 Added support for FFTW library
393 Rewrote Array2dFile class to be non-templated
394 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
395 Rewrote Array2dFileLabel class to make members private, added access routines
396 Removed timedate.cpp in favor of standard C library time/date functions
397 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
398 Added signature tag and creation date/time to projection files
401 Standardized string option processing by classes. All classes use character strings
402 to select options rather than numeric constants. Added fail() and failMessage()
403 methods to verify that objects are created correctly by character strings.
404 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
405 Rewrote ImageFile class
406 Started support for dmallocxx library, not finished
407 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
408 Updated ifinfo to show comparative statistics
409 Added printLabels() to Array2dFile class
410 Added printStatistics() to ImageFile class
413 Moved conversion filter name/id to Filter class
414 Moved conversion backprojection name/id to Backproj class
415 Added MPI broadcasting of strings
418 Merged proj_reconstr into class Projections
419 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
420 Code cleanup in projections.cpp
421 Moved conversion of phantom names/id to Phantom class
424 Converted projection files to C++ library with frnetorderstream
425 Converted image files to C++ library with frnetorderstream
426 Converted filter and convolution to object-oriented code
427 Changed default image file to float from double -- Changable in imagefile.h
428 Optimized image file writing on little-endian architectures
429 Updated README and INSTALL
432 Reorganized source files
433 MPI bug fixed to phm2pj.cpp
436 Reorganized include files
437 Fixed const pointers in strfuncs
440 Renamed directories, moved source files, combined source files
441 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
445 Skip versions to make version 2.0 the first fully C++ version
446 Renamed Raysums to Projections throughout files
447 Renamed Detector to Scanner
448 Converted Scanner and Projecions to full object-oriented
451 Converted Phantom and PhantomElements to Object-Oriented
452 Converted Detector to Object-Oriented
455 Improved Integer backprojection method
456 Fixed nearest neighbor to be truly nearest neighbor
457 Made linear interpolation more integer arithmetic -> speed improvement
458 Finished converting all C files to C++
459 Converted all use of malloc/free to C++ new/delete
460 Began object-oriented conversion of Phantom and Projection structures
463 Converted MPI data structures to C++ object
464 Made ImageFile directly inherit from Array2dFile
467 First C++ conversions
468 Portable IF (image file) format implemented with objects (SDF removed)
469 - Now all data files are cross-platform compatible
470 Converted from MPI to MPI++
471 Converted backprojection to object-oriented
472 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
475 Simpilifed endian handling
478 Added support for 64-bit (IA64) CPU
479 Removed broken B-spline interpolation
480 Added support for cygwin platform under Windows 2000
481 Added support for 16-bit PNG graphics
484 Added compile-time configuration of endian order
487 Modified the raysum file format to be platform independent
490 Added Microsoft VC compatibility
491 Cleaned up compilation warnings in libgraph
494 Continued conversion to ANSI C
495 Removed old CRT routines
498 Renamed pictures to phantoms, objects to phantom elements
499 Continued code cleanup
502 More code cleanup with reorganizing libraries
503 Added --log and --exp to sdf-1
504 Allowed negative numbers for window levels in CGI interface
507 Continued code cleanup
511 Better documented, coded raysum in-memory on on-disk options
514 Cleaned out library that wasn't being used by CTSim
515 Modified ctsim.cgi to read in configuration file ctsim.conf
518 First open source distribution for GNU/Linux
521 Converted to GNU/Linux
522 added MPI support via LAM library
525 Developed under MS-DOS and IBM EGA graphics