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 background and SMP processing for reconstructions.
22 * ctsim: Added background and SMP processing for scanning.
24 * ctsim: Added background and SMP processing for rasterization.
26 * ctsim: Added "Verbose Logging", "Startup Tips", and
27 "Background processes" options to Preferences dialog.
29 * ctsim: Added accelerator key for File-Properties
31 * views.cpp: Added out of memory checks to display for huge
32 image and projection files.
34 * distribution: fixed problem with documentation files not
35 being included with the distribution [Reported by Ian Kay].
37 3.0.3 - Released 2/20/01
39 * ctsim: Fixed core dump on Linux with OpenGL
41 * ctsim: Fixed context-sensitive help on Linux
43 * ctsim: Fixed About box on Linux
45 3.0.2 - Released 2/20/01
47 * scanner.cpp: Fixed bug when number of detectors was even.
49 * ctsim: Improved error handling when trying to convert
50 divergent projections into polar form.
52 3.0.1 - Released 2/19/01
54 * ctsim: Fixed dialog box for reconstruction so that
55 rotation angle setting will stay fixed in-between use
58 * syserror: Fixed display bug for trace messages
60 * ctsim: MSVC optimization bug work-around, compiler
63 3.0.0 - Released 2/19/01
65 * ctsim: Massive update/fix to online help and print manual.
67 * ctsim: Added context-sensitive help to dialog boxes
69 * ctsim: Reformated all dialog boxes, much nicer now.
71 * ctsim: Improved accelerator key handling
73 * global: Added Hanning filter.
75 * global: Improved default parameters to that all defaults give
78 3.0.0beta1 - Released 2/11/01
80 * ctsim: Added most-recently-used files to File menu with
81 registry storage between executions.
83 * ctsim: Hides arcane features unless enabled by Preferences dialog
85 * ctsim: Added MDI interface for Windows version and made it default for Windows.
87 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
89 * ctsim: Added graphical About box
91 * ctsim: Escape key now removes cursor lines from image file view
93 * ctsim: Added Revert to ImageFile menu
95 * ctsim: Added accelerator (hotkeys) to frames
97 * ctsim: Online help added!
99 * backprojector: Added cubic interpolation
101 * ctsim: Added icons to Frames on X-Window and MS Windows versions
103 * ctsim: Fixed tick-label placement for plots on projection and
104 reconstruction dialogs.
106 * timer.h: Add use of _ftime when compiling on MSVC
108 * global: Projection files are not compatible with previous version
109 due to new scanner definitions.
111 * global: deleted concept of field-of-view and added
112 view ratio and scan ratio concepts.
114 * ctsim: Fixed crash on shutdown bug
116 * pjinfo: Fixed bug when doing --dump and not specifing --endview
118 * phm2pj: Fixed MPI bug with broadcasting of variables
120 * ctsimtext-lam: Changes for first version to compile under lam
123 3.0.0alpha5 - Released 1/12/00
125 * ctsim: Added EZPlotDialog, used by debugging plots in
128 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
129 bug in parsing command-line parameters.
131 * views.cpp: Fixed bug in copying of labels from images to
134 * syserror.cpp: fixed reporting for fatal errors
136 * projections.cpp: fixed MSVC failure with std:: namespace
138 * procsignal.cpp: fixed bug in equiangular reconstructions
139 for frequency/inverse-fourier filtering
141 3.0.0alpha4 - Released 1/09/01
143 * ctsim: Added reset to full-intensity scale menu item
145 * ctsim: Add conversion of projections to polar plot [Thanks to
146 Ian Kay for reference and math hints in polar bilinear scaling]
148 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
151 * ctsim: imagefile labels are now copied to plotfiles
153 * ctsim: Added more analyze menuitems
155 * ctsimtext: First version. All command-line tools are now accessed
156 through this master shell. Has both command-line and interactive
159 * ctsim: Fixed initialization of min/max bug for PlotFiles
161 * ezplot: Cleaned up y-tick label placement
163 * sgp: Added better support for projection/reconstruction animation
165 3.0.0alpha3 - Released 1/02/01
167 * ctsim: Added plotting of histograms
169 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
171 * ezplot.cpp: adjusted xtick label displays for better placement
173 3.0alpha2 - Released 1/02/01
175 * ctsim: All functions of command-line tools are now in graphical ctsim
177 * ctsim: added generation of filter images
179 * ctsim: Added 2-image math functions (mul, add, div, sub)
181 * ctsim: Added export of imagefiles to graphic file formats
183 * ctsim: Added support for scaling imagefiles in new sizes
185 * ctsim: Added ability to save standard phantom definitions as
186 text files suitable for reading.
188 * ctsim: Add labels for image transformations and display of labels
189 when performing properties of images.
191 * processsignal.cpp: Fixed "off by one" bug in
192 shuffleNaturalToFourierOrder when n is even. Moved functions to
195 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
196 image math functions to complex-valued math.
198 * phantom.cpp: Added ability to save phantom files as ASCII text.
200 3.0alpha1 - Released 12/29/00
202 * Added PlotFile class to system, used by if2 and ctsim for row
203 and column plots and comparison plots
205 * ctsim: Added image comparison statistics and image subtraction
207 * ctsim: Added plotting of rows & columns with y-axis scaling
209 * ctsim: Added row and column plot comparisons between two image
212 * ctsim: Added "Process" menu to image file display with math
213 functions. Added 2-dimensional inverse Fourier to math
214 functions. Added support for complex (real/imaginary) images.
216 * mathfuncs.cpp: Reworked statistics algorithm to share between
217 imagefile and plotfile classes.
219 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
220 nsamples > 2. Added generic mage math functions, moved from
221 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
224 * array2dfile.cpp: Added code to support complex (real/imaginary)
227 * if1: Updated to handle error conditions, such as sqrt of a
228 negative number. Converted to use new ImageFile math functions.
230 * if2: Updated to output plot files and use new ImageFile class
233 * if1: Updated to use new ImageFile class math functions
235 * ezplot: Reworked to better store colors/linestyles/symbols with
236 individual curves. Improved display of labels and ticks. Updated
237 to use POL class member variable. Updated to more C++ conventions.
239 * pol: converted to C++ class. Extracted HashTable to separate
242 * sgp: Added linestyle settings
245 First Microsoft Windows GUI version
246 Modifications for Microsoft Visual C++ compilation.
247 Improved pjinfo to output binary headers and view data, useful
248 when manually compiling phantoms that vary during projection
249 process. Thanks to Ian Kay for idea and code submission.
250 Improved sorting to find median in ImageFile::statistics
251 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
252 Changed reconstruction dialog to fix onto smaller screens
253 Fixed display of plotting in Projection views
254 Improved animation displays for Projections and Reconstructions
255 Changed code to explicitly use std:: namespace rather than
256 "namespace using std" statements
257 Fixed reconstruction scaling bug introduced in 2.0.6
258 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
261 Fixed minor compilation problem with procsignal.h
263 Fixed bug when simulating projections and Trace == CONSOLE
264 Fixed scaling bug when performing redundant rotations around object
267 Improved compilation on RedHat 7
268 Changed some of ANSI C header files to C++ header files
269 Removed README.RedHat7
272 Added documentation for --geometry setting
273 Added README.RedHat7 document
276 Fixed bug in generation of binary PGM files
277 Fixed MPI compilation bug in phm2pj.cpp
278 Inverted y-axis output for pj2if (bug alert from Ian Kay)
281 Additions to man pages (Ian Kay)
282 Fix problem with reading of ASCII phantom files (Ian Kay)
285 Fixed syntax error in fftw configuration
286 Slight modifications to support gcc v2.9.6
289 Version 2.0.0 released!
290 ctsim: Added Window menu to Main frame
291 ctsim: Disabled not support reconstruction method
292 Fixed obscure bug in sys_error
293 Fixed compilation in mingw environment not present
294 Fixed compilation in non-graphical environments
297 ctsim: Added animation of reconstruction
298 ctsim: Added saving of dialog parameters for Projection & Reconstruction
299 ctsim: Added progress dialog for rasterization of phantom
300 ctsim: used setpriority to set lower priority
301 ctsim: fixed pReconstruct not being deleted causing scaling problem
302 ctsim: fixed projection animation dialog buttons
305 ctsim: Added projection graph to animation of projection collection
306 ctsim: Added single stepping to projection collection animation
307 ctsim: improved File/Properties display for projection files
308 ctsim: Added progress dialog for reconstructions
309 ctsim: Added file labels for projection and reconstruction images
310 ctsim: Made File/Properties bring up modal dialogs
311 Added reconstruction for Equilinear and Equiangular geometries
312 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
313 Separated reconstruction into Reconstructor class
314 Fixed center of detector adjustment for even number of detectors
315 Added --enable-static to generate statically linked programs
318 ctsim: Added animation of projection collection processs
319 ctsim: Added Auto Scaling for image windows
320 ctsim: Change menus from "windowing" to "display scaling"
321 Added FieldOfView and FocalLength ratio parameters to projection collection
322 Added FocalLength & FieldOfView fields to projection data files
323 Added Projection collection for Equilinear and Equiangular geometries
324 Changed name of Rowland Phantom to correct name of Shepp-Logan
325 Fixed bug in backprojection selection
328 Added RCS Id strings to executable files
329 Added RPM Spec file for RPM package creation
330 Added loading of ASCII phanthom definitions from files
331 Fixed compilation for non-SGP architectures
332 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
333 Added Filter-Generation option to reconstruction to allow direct or
334 inverse_fourier construction of filters
335 Added median to statistics and to auto-windowing
338 Added line color support to SGP
342 Finished support for dmallocxx library
343 Fixed bug in SignalFilter::convertFilterMethodNameToID()
344 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
345 G2 windows and well as WXWindows.
346 ctsim program: "Create Phantom" now shows phantom object
347 Fixed row-plot bug in if-2
348 Reworked EZPlot's multiple plot operation
351 ctsim program: improved initial size and scroll area for image
353 ctsim program: added rasterization parameters, projections parameters,
354 and reconstruction parameters dialogs
355 Moved char[] static definition from header files to c++ files
356 Completely reorganized option processing in classes to improve
357 expandability and to assist ctsim graphical user interface.
360 ctsim program: Added dialog to set minimum/maximum display levels
361 Started ctsim.tex document file
364 Fixed compiler warnings at -Wall level
365 Began work on CTSim program to be graphical front-end of all functions
366 Moved current src/*.cpp to tools/*.cpp
367 Made CTSim graphical front-end's home to be src/
370 Added highly optimized backprojection method idiff3
371 Moved comparative stats to if-2 program from ifinfo
372 Fixed image display in if2img using G2 library
373 Added column-plot and row-plot options to if-2
374 Added autoselection of analytic/calculated spatial responses to SignalFilter
375 Added frequency-based preinterpolation to SignalFilter and idiff3
376 backprojection method. Currently, this technique is still under
377 development and debugging
378 Moved graphic file writing to ImageFile class from if2img program
381 Cleaned up SignalFilter class
382 Added zeropad option to pjrec
383 Added zeropad options to html and cgi files
384 Added fourier_table and rfttw filter methods
385 Added FFTW routines to use real/half-complex transformations
388 Updated trace level processing
389 Added trace level to SignalFilter
390 Fixed magnitude vs. real output bug in FFT/Fourier filter
393 Fixed const issue with ImageFileArray
394 Fixed Array2dFile::labelsCopy()
395 Added copy constructor and assignment for Array2dFileLabel class
396 Added Timer to if-2.cpp and ifinfo.cpp
397 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
398 Added option processing for filter-method for pjrec to choose
399 between convolution, dft, & fft filtering
400 Fixed format string for EZPlot so axis labels now print
401 Added support for FFTW library
404 Rewrote Array2dFile class to be non-templated
405 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
406 Rewrote Array2dFileLabel class to make members private, added access routines
407 Removed timedate.cpp in favor of standard C library time/date functions
408 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
409 Added signature tag and creation date/time to projection files
412 Standardized string option processing by classes. All classes use character strings
413 to select options rather than numeric constants. Added fail() and failMessage()
414 methods to verify that objects are created correctly by character strings.
415 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
416 Rewrote ImageFile class
417 Started support for dmallocxx library, not finished
418 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
419 Updated ifinfo to show comparative statistics
420 Added printLabels() to Array2dFile class
421 Added printStatistics() to ImageFile class
424 Moved conversion filter name/id to Filter class
425 Moved conversion backprojection name/id to Backproj class
426 Added MPI broadcasting of strings
429 Merged proj_reconstr into class Projections
430 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
431 Code cleanup in projections.cpp
432 Moved conversion of phantom names/id to Phantom class
435 Converted projection files to C++ library with frnetorderstream
436 Converted image files to C++ library with frnetorderstream
437 Converted filter and convolution to object-oriented code
438 Changed default image file to float from double -- Changable in imagefile.h
439 Optimized image file writing on little-endian architectures
440 Updated README and INSTALL
443 Reorganized source files
444 MPI bug fixed to phm2pj.cpp
447 Reorganized include files
448 Fixed const pointers in strfuncs
451 Renamed directories, moved source files, combined source files
452 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
456 Skip versions to make version 2.0 the first fully C++ version
457 Renamed Raysums to Projections throughout files
458 Renamed Detector to Scanner
459 Converted Scanner and Projecions to full object-oriented
462 Converted Phantom and PhantomElements to Object-Oriented
463 Converted Detector to Object-Oriented
466 Improved Integer backprojection method
467 Fixed nearest neighbor to be truly nearest neighbor
468 Made linear interpolation more integer arithmetic -> speed improvement
469 Finished converting all C files to C++
470 Converted all use of malloc/free to C++ new/delete
471 Began object-oriented conversion of Phantom and Projection structures
474 Converted MPI data structures to C++ object
475 Made ImageFile directly inherit from Array2dFile
478 First C++ conversions
479 Portable IF (image file) format implemented with objects (SDF removed)
480 - Now all data files are cross-platform compatible
481 Converted from MPI to MPI++
482 Converted backprojection to object-oriented
483 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
486 Simpilifed endian handling
489 Added support for 64-bit (IA64) CPU
490 Removed broken B-spline interpolation
491 Added support for cygwin platform under Windows 2000
492 Added support for 16-bit PNG graphics
495 Added compile-time configuration of endian order
498 Modified the raysum file format to be platform independent
501 Added Microsoft VC compatibility
502 Cleaned up compilation warnings in libgraph
505 Continued conversion to ANSI C
506 Removed old CRT routines
509 Renamed pictures to phantoms, objects to phantom elements
510 Continued code cleanup
513 More code cleanup with reorganizing libraries
514 Added --log and --exp to sdf-1
515 Allowed negative numbers for window levels in CGI interface
518 Continued code cleanup
522 Better documented, coded raysum in-memory on on-disk options
525 Cleaned out library that wasn't being used by CTSim
526 Modified ctsim.cgi to read in configuration file ctsim.conf
529 First open source distribution for GNU/Linux
532 Converted to GNU/Linux
533 added MPI support via LAM library
536 Developed under MS-DOS and IBM EGA graphics