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 "Verbose Logging", "Startup Tips", and
29 "Background processes" options to Preferences dialog.
31 * ctsim: Added accelerator key for File-Properties
33 * views.cpp: Added out of memory checks to display for huge
34 image and projection files.
36 * distribution: fixed problem with documentation files not
37 being included with the distribution [Reported by Ian Kay].
39 3.0.3 - Released 2/20/01
41 * ctsim: Fixed core dump on Linux with OpenGL
43 * ctsim: Fixed context-sensitive help on Linux
45 * ctsim: Fixed About box on Linux
47 3.0.2 - Released 2/20/01
49 * scanner.cpp: Fixed bug when number of detectors was even.
51 * ctsim: Improved error handling when trying to convert
52 divergent projections into polar form.
54 3.0.1 - Released 2/19/01
56 * ctsim: Fixed dialog box for reconstruction so that
57 rotation angle setting will stay fixed in-between use
60 * syserror: Fixed display bug for trace messages
62 * ctsim: MSVC optimization bug work-around, compiler
65 3.0.0 - Released 2/19/01
67 * ctsim: Massive update/fix to online help and print manual.
69 * ctsim: Added context-sensitive help to dialog boxes
71 * ctsim: Reformated all dialog boxes, much nicer now.
73 * ctsim: Improved accelerator key handling
75 * global: Added Hanning filter.
77 * global: Improved default parameters to that all defaults give
80 3.0.0beta1 - Released 2/11/01
82 * ctsim: Added most-recently-used files to File menu with
83 registry storage between executions.
85 * ctsim: Hides arcane features unless enabled by Preferences dialog
87 * ctsim: Added MDI interface for Windows version and made it default for Windows.
89 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
91 * ctsim: Added graphical About box
93 * ctsim: Escape key now removes cursor lines from image file view
95 * ctsim: Added Revert to ImageFile menu
97 * ctsim: Added accelerator (hotkeys) to frames
99 * ctsim: Online help added!
101 * backprojector: Added cubic interpolation
103 * ctsim: Added icons to Frames on X-Window and MS Windows versions
105 * ctsim: Fixed tick-label placement for plots on projection and
106 reconstruction dialogs.
108 * timer.h: Add use of _ftime when compiling on MSVC
110 * global: Projection files are not compatible with previous version
111 due to new scanner definitions.
113 * global: deleted concept of field-of-view and added
114 view ratio and scan ratio concepts.
116 * ctsim: Fixed crash on shutdown bug
118 * pjinfo: Fixed bug when doing --dump and not specifing --endview
120 * phm2pj: Fixed MPI bug with broadcasting of variables
122 * ctsimtext-lam: Changes for first version to compile under lam
125 3.0.0alpha5 - Released 1/12/00
127 * ctsim: Added EZPlotDialog, used by debugging plots in
130 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
131 bug in parsing command-line parameters.
133 * views.cpp: Fixed bug in copying of labels from images to
136 * syserror.cpp: fixed reporting for fatal errors
138 * projections.cpp: fixed MSVC failure with std:: namespace
140 * procsignal.cpp: fixed bug in equiangular reconstructions
141 for frequency/inverse-fourier filtering
143 3.0.0alpha4 - Released 1/09/01
145 * ctsim: Added reset to full-intensity scale menu item
147 * ctsim: Add conversion of projections to polar plot [Thanks to
148 Ian Kay for reference and math hints in polar bilinear scaling]
150 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
153 * ctsim: imagefile labels are now copied to plotfiles
155 * ctsim: Added more analyze menuitems
157 * ctsimtext: First version. All command-line tools are now accessed
158 through this master shell. Has both command-line and interactive
161 * ctsim: Fixed initialization of min/max bug for PlotFiles
163 * ezplot: Cleaned up y-tick label placement
165 * sgp: Added better support for projection/reconstruction animation
167 3.0.0alpha3 - Released 1/02/01
169 * ctsim: Added plotting of histograms
171 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
173 * ezplot.cpp: adjusted xtick label displays for better placement
175 3.0alpha2 - Released 1/02/01
177 * ctsim: All functions of command-line tools are now in graphical ctsim
179 * ctsim: added generation of filter images
181 * ctsim: Added 2-image math functions (mul, add, div, sub)
183 * ctsim: Added export of imagefiles to graphic file formats
185 * ctsim: Added support for scaling imagefiles in new sizes
187 * ctsim: Added ability to save standard phantom definitions as
188 text files suitable for reading.
190 * ctsim: Add labels for image transformations and display of labels
191 when performing properties of images.
193 * processsignal.cpp: Fixed "off by one" bug in
194 shuffleNaturalToFourierOrder when n is even. Moved functions to
197 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
198 image math functions to complex-valued math.
200 * phantom.cpp: Added ability to save phantom files as ASCII text.
202 3.0alpha1 - Released 12/29/00
204 * Added PlotFile class to system, used by if2 and ctsim for row
205 and column plots and comparison plots
207 * ctsim: Added image comparison statistics and image subtraction
209 * ctsim: Added plotting of rows & columns with y-axis scaling
211 * ctsim: Added row and column plot comparisons between two image
214 * ctsim: Added "Process" menu to image file display with math
215 functions. Added 2-dimensional inverse Fourier to math
216 functions. Added support for complex (real/imaginary) images.
218 * mathfuncs.cpp: Reworked statistics algorithm to share between
219 imagefile and plotfile classes.
221 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
222 nsamples > 2. Added generic mage math functions, moved from
223 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
226 * array2dfile.cpp: Added code to support complex (real/imaginary)
229 * if1: Updated to handle error conditions, such as sqrt of a
230 negative number. Converted to use new ImageFile math functions.
232 * if2: Updated to output plot files and use new ImageFile class
235 * if1: Updated to use new ImageFile class math functions
237 * ezplot: Reworked to better store colors/linestyles/symbols with
238 individual curves. Improved display of labels and ticks. Updated
239 to use POL class member variable. Updated to more C++ conventions.
241 * pol: converted to C++ class. Extracted HashTable to separate
244 * sgp: Added linestyle settings
247 First Microsoft Windows GUI version
248 Modifications for Microsoft Visual C++ compilation.
249 Improved pjinfo to output binary headers and view data, useful
250 when manually compiling phantoms that vary during projection
251 process. Thanks to Ian Kay for idea and code submission.
252 Improved sorting to find median in ImageFile::statistics
253 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
254 Changed reconstruction dialog to fix onto smaller screens
255 Fixed display of plotting in Projection views
256 Improved animation displays for Projections and Reconstructions
257 Changed code to explicitly use std:: namespace rather than
258 "namespace using std" statements
259 Fixed reconstruction scaling bug introduced in 2.0.6
260 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
263 Fixed minor compilation problem with procsignal.h
265 Fixed bug when simulating projections and Trace == CONSOLE
266 Fixed scaling bug when performing redundant rotations around object
269 Improved compilation on RedHat 7
270 Changed some of ANSI C header files to C++ header files
271 Removed README.RedHat7
274 Added documentation for --geometry setting
275 Added README.RedHat7 document
278 Fixed bug in generation of binary PGM files
279 Fixed MPI compilation bug in phm2pj.cpp
280 Inverted y-axis output for pj2if (bug alert from Ian Kay)
283 Additions to man pages (Ian Kay)
284 Fix problem with reading of ASCII phantom files (Ian Kay)
287 Fixed syntax error in fftw configuration
288 Slight modifications to support gcc v2.9.6
291 Version 2.0.0 released!
292 ctsim: Added Window menu to Main frame
293 ctsim: Disabled not support reconstruction method
294 Fixed obscure bug in sys_error
295 Fixed compilation in mingw environment not present
296 Fixed compilation in non-graphical environments
299 ctsim: Added animation of reconstruction
300 ctsim: Added saving of dialog parameters for Projection & Reconstruction
301 ctsim: Added progress dialog for rasterization of phantom
302 ctsim: used setpriority to set lower priority
303 ctsim: fixed pReconstruct not being deleted causing scaling problem
304 ctsim: fixed projection animation dialog buttons
307 ctsim: Added projection graph to animation of projection collection
308 ctsim: Added single stepping to projection collection animation
309 ctsim: improved File/Properties display for projection files
310 ctsim: Added progress dialog for reconstructions
311 ctsim: Added file labels for projection and reconstruction images
312 ctsim: Made File/Properties bring up modal dialogs
313 Added reconstruction for Equilinear and Equiangular geometries
314 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
315 Separated reconstruction into Reconstructor class
316 Fixed center of detector adjustment for even number of detectors
317 Added --enable-static to generate statically linked programs
320 ctsim: Added animation of projection collection processs
321 ctsim: Added Auto Scaling for image windows
322 ctsim: Change menus from "windowing" to "display scaling"
323 Added FieldOfView and FocalLength ratio parameters to projection collection
324 Added FocalLength & FieldOfView fields to projection data files
325 Added Projection collection for Equilinear and Equiangular geometries
326 Changed name of Rowland Phantom to correct name of Shepp-Logan
327 Fixed bug in backprojection selection
330 Added RCS Id strings to executable files
331 Added RPM Spec file for RPM package creation
332 Added loading of ASCII phanthom definitions from files
333 Fixed compilation for non-SGP architectures
334 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
335 Added Filter-Generation option to reconstruction to allow direct or
336 inverse_fourier construction of filters
337 Added median to statistics and to auto-windowing
340 Added line color support to SGP
344 Finished support for dmallocxx library
345 Fixed bug in SignalFilter::convertFilterMethodNameToID()
346 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
347 G2 windows and well as WXWindows.
348 ctsim program: "Create Phantom" now shows phantom object
349 Fixed row-plot bug in if-2
350 Reworked EZPlot's multiple plot operation
353 ctsim program: improved initial size and scroll area for image
355 ctsim program: added rasterization parameters, projections parameters,
356 and reconstruction parameters dialogs
357 Moved char[] static definition from header files to c++ files
358 Completely reorganized option processing in classes to improve
359 expandability and to assist ctsim graphical user interface.
362 ctsim program: Added dialog to set minimum/maximum display levels
363 Started ctsim.tex document file
366 Fixed compiler warnings at -Wall level
367 Began work on CTSim program to be graphical front-end of all functions
368 Moved current src/*.cpp to tools/*.cpp
369 Made CTSim graphical front-end's home to be src/
372 Added highly optimized backprojection method idiff3
373 Moved comparative stats to if-2 program from ifinfo
374 Fixed image display in if2img using G2 library
375 Added column-plot and row-plot options to if-2
376 Added autoselection of analytic/calculated spatial responses to SignalFilter
377 Added frequency-based preinterpolation to SignalFilter and idiff3
378 backprojection method. Currently, this technique is still under
379 development and debugging
380 Moved graphic file writing to ImageFile class from if2img program
383 Cleaned up SignalFilter class
384 Added zeropad option to pjrec
385 Added zeropad options to html and cgi files
386 Added fourier_table and rfttw filter methods
387 Added FFTW routines to use real/half-complex transformations
390 Updated trace level processing
391 Added trace level to SignalFilter
392 Fixed magnitude vs. real output bug in FFT/Fourier filter
395 Fixed const issue with ImageFileArray
396 Fixed Array2dFile::labelsCopy()
397 Added copy constructor and assignment for Array2dFileLabel class
398 Added Timer to if-2.cpp and ifinfo.cpp
399 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
400 Added option processing for filter-method for pjrec to choose
401 between convolution, dft, & fft filtering
402 Fixed format string for EZPlot so axis labels now print
403 Added support for FFTW library
406 Rewrote Array2dFile class to be non-templated
407 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
408 Rewrote Array2dFileLabel class to make members private, added access routines
409 Removed timedate.cpp in favor of standard C library time/date functions
410 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
411 Added signature tag and creation date/time to projection files
414 Standardized string option processing by classes. All classes use character strings
415 to select options rather than numeric constants. Added fail() and failMessage()
416 methods to verify that objects are created correctly by character strings.
417 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
418 Rewrote ImageFile class
419 Started support for dmallocxx library, not finished
420 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
421 Updated ifinfo to show comparative statistics
422 Added printLabels() to Array2dFile class
423 Added printStatistics() to ImageFile class
426 Moved conversion filter name/id to Filter class
427 Moved conversion backprojection name/id to Backproj class
428 Added MPI broadcasting of strings
431 Merged proj_reconstr into class Projections
432 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
433 Code cleanup in projections.cpp
434 Moved conversion of phantom names/id to Phantom class
437 Converted projection files to C++ library with frnetorderstream
438 Converted image files to C++ library with frnetorderstream
439 Converted filter and convolution to object-oriented code
440 Changed default image file to float from double -- Changable in imagefile.h
441 Optimized image file writing on little-endian architectures
442 Updated README and INSTALL
445 Reorganized source files
446 MPI bug fixed to phm2pj.cpp
449 Reorganized include files
450 Fixed const pointers in strfuncs
453 Renamed directories, moved source files, combined source files
454 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
458 Skip versions to make version 2.0 the first fully C++ version
459 Renamed Raysums to Projections throughout files
460 Renamed Detector to Scanner
461 Converted Scanner and Projecions to full object-oriented
464 Converted Phantom and PhantomElements to Object-Oriented
465 Converted Detector to Object-Oriented
468 Improved Integer backprojection method
469 Fixed nearest neighbor to be truly nearest neighbor
470 Made linear interpolation more integer arithmetic -> speed improvement
471 Finished converting all C files to C++
472 Converted all use of malloc/free to C++ new/delete
473 Began object-oriented conversion of Phantom and Projection structures
476 Converted MPI data structures to C++ object
477 Made ImageFile directly inherit from Array2dFile
480 First C++ conversions
481 Portable IF (image file) format implemented with objects (SDF removed)
482 - Now all data files are cross-platform compatible
483 Converted from MPI to MPI++
484 Converted backprojection to object-oriented
485 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
488 Simpilifed endian handling
491 Added support for 64-bit (IA64) CPU
492 Removed broken B-spline interpolation
493 Added support for cygwin platform under Windows 2000
494 Added support for 16-bit PNG graphics
497 Added compile-time configuration of endian order
500 Modified the raysum file format to be platform independent
503 Added Microsoft VC compatibility
504 Cleaned up compilation warnings in libgraph
507 Continued conversion to ANSI C
508 Removed old CRT routines
511 Renamed pictures to phantoms, objects to phantom elements
512 Continued code cleanup
515 More code cleanup with reorganizing libraries
516 Added --log and --exp to sdf-1
517 Allowed negative numbers for window levels in CGI interface
520 Continued code cleanup
524 Better documented, coded raysum in-memory on on-disk options
527 Cleaned out library that wasn't being used by CTSim
528 Modified ctsim.cgi to read in configuration file ctsim.conf
531 First open source distribution for GNU/Linux
534 Converted to GNU/Linux
535 added MPI support via LAM library
538 Developed under MS-DOS and IBM EGA graphics