1 May 29, 2002 Version 3.5.3
2 * Added support for g++ 3.04 compiler
4 May 8, 2002 Version 3.5.2
5 * configure: improved CTN (DICOM) installation search
6 * src/ctsim.cpp: Fixed initial image size with import command
8 May 5, 2002 Version 3.5.1
12 * ctsim: Added tips to be displayed at startup and via the help menu.
13 * ctsim: Added center-detector concept. Allow for detector array
14 to be any arbitrary distance from center of scanner. As a result,
15 projection files are not incompatible with previous version of
17 * ctsim: Added threaded tasks and background manager for
18 background processing as well as taking advantage of multiple-CPU's
19 on SMP systems. (Microsoft Windows only)
20 * ctsim: Added plot t-theta sampling to projection file menu.
21 * ctsim: Added Reconstruction with Rebinning for faster
22 divergent beam reconstructions.
23 * ctsim: Added import and export of DICOM image files.
24 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
25 * ctsim: Added FFT/IFFT of columns of image files.
26 * ctsim: Added clipboard cut/copy/paste for image files.
27 * ctsim: Added region of interest to reconstructions.
28 * ctsim: Added Convert Rectangular Image to Projection files
29 * ctsim: Added "Verbose Logging", "Startup Tips", and
30 "Background processes" options to Preferences dialog.
31 * ctsim: Added plotting of projection file histograms.
32 * plotfile: Added scattergram plot functions
33 * ctsim: Added accelerator key for File-Properties
34 * ctsim: Improved wireframe 3-d display to remove hidden
36 * backprojectors.cpp: Added setting of axis extent and increment
38 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
39 projection data files.
43 * views.cpp: reduced calls to progress bar update, significant speedup
44 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
45 not being displayed on Unix platforms.
46 * views.cpp: Added out-of-memory checks to display for huge
47 image and projection files.
48 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
49 * imagefile.cpp: Fixed scaling factor in fftRows
50 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
52 * sgp.cpp: Fixed bug in drawCircle.
53 * distribution: fixed problem with documentation files not
54 being included with the distribution (Reported by Ian Kay).
55 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
56 * fixed ctsimtext shell when giving no parameters to function-name
57 * phm2if, phm2pj: Updated help messages for renamed phantoms
59 3.0.3 - Released 2/20/01
61 * ctsim: Fixed core dump on Linux with OpenGL
63 * ctsim: Fixed context-sensitive help on Linux
65 * ctsim: Fixed About box on Linux
67 3.0.2 - Released 2/20/01
69 * scanner.cpp: Fixed bug when number of detectors was even.
71 * ctsim: Improved error handling when trying to convert
72 divergent projections into polar form.
74 3.0.1 - Released 2/19/01
76 * ctsim: Fixed dialog box for reconstruction so that
77 rotation angle setting will stay fixed in-between use
80 * syserror: Fixed display bug for trace messages
82 * ctsim: MSVC optimization bug work-around, compiler
85 3.0.0 - Released 2/19/01
87 * ctsim: Massive update/fix to online help and print manual.
89 * ctsim: Added context-sensitive help to dialog boxes
91 * ctsim: Reformated all dialog boxes, much nicer now.
93 * ctsim: Improved accelerator key handling
95 * global: Added Hanning filter.
97 * global: Improved default parameters to that all defaults give
100 3.0.0beta1 - Released 2/11/01
102 * ctsim: Added most-recently-used files to File menu with
103 registry storage between executions.
105 * ctsim: Hides arcane features unless enabled by Preferences dialog
107 * ctsim: Added MDI interface for Windows version and made it default for Windows.
109 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
111 * ctsim: Added graphical About box
113 * ctsim: Escape key now removes cursor lines from image file view
115 * ctsim: Added Revert to ImageFile menu
117 * ctsim: Added accelerator (hotkeys) to frames
119 * ctsim: Online help added!
121 * backprojector: Added cubic interpolation
123 * ctsim: Added icons to Frames on X-Window and MS Windows versions
125 * ctsim: Fixed tick-label placement for plots on projection and
126 reconstruction dialogs.
128 * timer.h: Add use of _ftime when compiling on MSVC
130 * global: Projection files are not compatible with previous version
131 due to new scanner definitions.
133 * global: deleted concept of field-of-view and added
134 view ratio and scan ratio concepts.
136 * ctsim: Fixed crash on shutdown bug
138 * pjinfo: Fixed bug when doing --dump and not specifing --endview
140 * phm2pj: Fixed MPI bug with broadcasting of variables
142 * ctsimtext-lam: Changes for first version to compile under lam
145 3.0.0alpha5 - Released 1/12/00
147 * ctsim: Added EZPlotDialog, used by debugging plots in
150 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
151 bug in parsing command-line parameters.
153 * views.cpp: Fixed bug in copying of labels from images to
156 * syserror.cpp: fixed reporting for fatal errors
158 * projections.cpp: fixed MSVC failure with std:: namespace
160 * procsignal.cpp: fixed bug in equiangular reconstructions
161 for frequency/inverse-fourier filtering
163 3.0.0alpha4 - Released 1/09/01
165 * ctsim: Added reset to full-intensity scale menu item
167 * ctsim: Add conversion of projections to polar plot [Thanks to
168 Ian Kay for reference and math hints in polar bilinear scaling]
170 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
173 * ctsim: imagefile labels are now copied to plotfiles
175 * ctsim: Added more analyze menuitems
177 * ctsimtext: First version. All command-line tools are now accessed
178 through this master shell. Has both command-line and interactive
181 * ctsim: Fixed initialization of min/max bug for PlotFiles
183 * ezplot: Cleaned up y-tick label placement
185 * sgp: Added better support for projection/reconstruction animation
187 3.0.0alpha3 - Released 1/02/01
189 * ctsim: Added plotting of histograms
191 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
193 * ezplot.cpp: adjusted xtick label displays for better placement
195 3.0alpha2 - Released 1/02/01
197 * ctsim: All functions of command-line tools are now in graphical ctsim
199 * ctsim: added generation of filter images
201 * ctsim: Added 2-image math functions (mul, add, div, sub)
203 * ctsim: Added export of imagefiles to graphic file formats
205 * ctsim: Added support for scaling imagefiles in new sizes
207 * ctsim: Added ability to save standard phantom definitions as
208 text files suitable for reading.
210 * ctsim: Add labels for image transformations and display of labels
211 when performing properties of images.
213 * processsignal.cpp: Fixed "off by one" bug in
214 shuffleNaturalToFourierOrder when n is even. Moved functions to
217 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
218 image math functions to complex-valued math.
220 * phantom.cpp: Added ability to save phantom files as ASCII text.
222 3.0alpha1 - Released 12/29/00
224 * Added PlotFile class to system, used by if2 and ctsim for row
225 and column plots and comparison plots
227 * ctsim: Added image comparison statistics and image subtraction
229 * ctsim: Added plotting of rows & columns with y-axis scaling
231 * ctsim: Added row and column plot comparisons between two image
234 * ctsim: Added "Process" menu to image file display with math
235 functions. Added 2-dimensional inverse Fourier to math
236 functions. Added support for complex (real/imaginary) images.
238 * mathfuncs.cpp: Reworked statistics algorithm to share between
239 imagefile and plotfile classes.
241 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
242 nsamples > 2. Added generic mage math functions, moved from
243 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
246 * array2dfile.cpp: Added code to support complex (real/imaginary)
249 * if1: Updated to handle error conditions, such as sqrt of a
250 negative number. Converted to use new ImageFile math functions.
252 * if2: Updated to output plot files and use new ImageFile class
255 * if1: Updated to use new ImageFile class math functions
257 * ezplot: Reworked to better store colors/linestyles/symbols with
258 individual curves. Improved display of labels and ticks. Updated
259 to use POL class member variable. Updated to more C++ conventions.
261 * pol: converted to C++ class. Extracted HashTable to separate
264 * sgp: Added linestyle settings
267 First Microsoft Windows GUI version
268 Modifications for Microsoft Visual C++ compilation.
269 Improved pjinfo to output binary headers and view data, useful
270 when manually compiling phantoms that vary during projection
271 process. Thanks to Ian Kay for idea and code submission.
272 Improved sorting to find median in ImageFile::statistics
273 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
274 Changed reconstruction dialog to fix onto smaller screens
275 Fixed display of plotting in Projection views
276 Improved animation displays for Projections and Reconstructions
277 Changed code to explicitly use std:: namespace rather than
278 "namespace using std" statements
279 Fixed reconstruction scaling bug introduced in 2.0.6
280 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
283 Fixed minor compilation problem with procsignal.h
285 Fixed bug when simulating projections and Trace == CONSOLE
286 Fixed scaling bug when performing redundant rotations around object
289 Improved compilation on RedHat 7
290 Changed some of ANSI C header files to C++ header files
291 Removed README.RedHat7
294 Added documentation for --geometry setting
295 Added README.RedHat7 document
298 Fixed bug in generation of binary PGM files
299 Fixed MPI compilation bug in phm2pj.cpp
300 Inverted y-axis output for pj2if (bug alert from Ian Kay)
303 Additions to man pages (Ian Kay)
304 Fix problem with reading of ASCII phantom files (Ian Kay)
307 Fixed syntax error in fftw configuration
308 Slight modifications to support gcc v2.9.6
311 Version 2.0.0 released!
312 ctsim: Added Window menu to Main frame
313 ctsim: Disabled not support reconstruction method
314 Fixed obscure bug in sys_error
315 Fixed compilation in mingw environment not present
316 Fixed compilation in non-graphical environments
319 ctsim: Added animation of reconstruction
320 ctsim: Added saving of dialog parameters for Projection & Reconstruction
321 ctsim: Added progress dialog for rasterization of phantom
322 ctsim: used setpriority to set lower priority
323 ctsim: fixed pReconstruct not being deleted causing scaling problem
324 ctsim: fixed projection animation dialog buttons
327 ctsim: Added projection graph to animation of projection collection
328 ctsim: Added single stepping to projection collection animation
329 ctsim: improved File/Properties display for projection files
330 ctsim: Added progress dialog for reconstructions
331 ctsim: Added file labels for projection and reconstruction images
332 ctsim: Made File/Properties bring up modal dialogs
333 Added reconstruction for Equilinear and Equiangular geometries
334 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
335 Separated reconstruction into Reconstructor class
336 Fixed center of detector adjustment for even number of detectors
337 Added --enable-static to generate statically linked programs
340 ctsim: Added animation of projection collection processs
341 ctsim: Added Auto Scaling for image windows
342 ctsim: Change menus from "windowing" to "display scaling"
343 Added FieldOfView and FocalLength ratio parameters to projection collection
344 Added FocalLength & FieldOfView fields to projection data files
345 Added Projection collection for Equilinear and Equiangular geometries
346 Changed name of Rowland Phantom to correct name of Shepp-Logan
347 Fixed bug in backprojection selection
350 Added RCS Id strings to executable files
351 Added RPM Spec file for RPM package creation
352 Added loading of ASCII phanthom definitions from files
353 Fixed compilation for non-SGP architectures
354 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
355 Added Filter-Generation option to reconstruction to allow direct or
356 inverse_fourier construction of filters
357 Added median to statistics and to auto-windowing
360 Added line color support to SGP
364 Finished support for dmallocxx library
365 Fixed bug in SignalFilter::convertFilterMethodNameToID()
366 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
367 G2 windows and well as WXWindows.
368 ctsim program: "Create Phantom" now shows phantom object
369 Fixed row-plot bug in if-2
370 Reworked EZPlot's multiple plot operation
373 ctsim program: improved initial size and scroll area for image
375 ctsim program: added rasterization parameters, projections parameters,
376 and reconstruction parameters dialogs
377 Moved char[] static definition from header files to c++ files
378 Completely reorganized option processing in classes to improve
379 expandability and to assist ctsim graphical user interface.
382 ctsim program: Added dialog to set minimum/maximum display levels
383 Started ctsim.tex document file
386 Fixed compiler warnings at -Wall level
387 Began work on CTSim program to be graphical front-end of all functions
388 Moved current src/*.cpp to tools/*.cpp
389 Made CTSim graphical front-end's home to be src/
392 Added highly optimized backprojection method idiff3
393 Moved comparative stats to if-2 program from ifinfo
394 Fixed image display in if2img using G2 library
395 Added column-plot and row-plot options to if-2
396 Added autoselection of analytic/calculated spatial responses to SignalFilter
397 Added frequency-based preinterpolation to SignalFilter and idiff3
398 backprojection method. Currently, this technique is still under
399 development and debugging
400 Moved graphic file writing to ImageFile class from if2img program
403 Cleaned up SignalFilter class
404 Added zeropad option to pjrec
405 Added zeropad options to html and cgi files
406 Added fourier_table and rfttw filter methods
407 Added FFTW routines to use real/half-complex transformations
410 Updated trace level processing
411 Added trace level to SignalFilter
412 Fixed magnitude vs. real output bug in FFT/Fourier filter
415 Fixed const issue with ImageFileArray
416 Fixed Array2dFile::labelsCopy()
417 Added copy constructor and assignment for Array2dFileLabel class
418 Added Timer to if-2.cpp and ifinfo.cpp
419 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
420 Added option processing for filter-method for pjrec to choose
421 between convolution, dft, & fft filtering
422 Fixed format string for EZPlot so axis labels now print
423 Added support for FFTW library
426 Rewrote Array2dFile class to be non-templated
427 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
428 Rewrote Array2dFileLabel class to make members private, added access routines
429 Removed timedate.cpp in favor of standard C library time/date functions
430 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
431 Added signature tag and creation date/time to projection files
434 Standardized string option processing by classes. All classes use character strings
435 to select options rather than numeric constants. Added fail() and failMessage()
436 methods to verify that objects are created correctly by character strings.
437 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
438 Rewrote ImageFile class
439 Started support for dmallocxx library, not finished
440 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
441 Updated ifinfo to show comparative statistics
442 Added printLabels() to Array2dFile class
443 Added printStatistics() to ImageFile class
446 Moved conversion filter name/id to Filter class
447 Moved conversion backprojection name/id to Backproj class
448 Added MPI broadcasting of strings
451 Merged proj_reconstr into class Projections
452 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
453 Code cleanup in projections.cpp
454 Moved conversion of phantom names/id to Phantom class
457 Converted projection files to C++ library with frnetorderstream
458 Converted image files to C++ library with frnetorderstream
459 Converted filter and convolution to object-oriented code
460 Changed default image file to float from double -- Changable in imagefile.h
461 Optimized image file writing on little-endian architectures
462 Updated README and INSTALL
465 Reorganized source files
466 MPI bug fixed to phm2pj.cpp
469 Reorganized include files
470 Fixed const pointers in strfuncs
473 Renamed directories, moved source files, combined source files
474 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
478 Skip versions to make version 2.0 the first fully C++ version
479 Renamed Raysums to Projections throughout files
480 Renamed Detector to Scanner
481 Converted Scanner and Projecions to full object-oriented
484 Converted Phantom and PhantomElements to Object-Oriented
485 Converted Detector to Object-Oriented
488 Improved Integer backprojection method
489 Fixed nearest neighbor to be truly nearest neighbor
490 Made linear interpolation more integer arithmetic -> speed improvement
491 Finished converting all C files to C++
492 Converted all use of malloc/free to C++ new/delete
493 Began object-oriented conversion of Phantom and Projection structures
496 Converted MPI data structures to C++ object
497 Made ImageFile directly inherit from Array2dFile
500 First C++ conversions
501 Portable IF (image file) format implemented with objects (SDF removed)
502 - Now all data files are cross-platform compatible
503 Converted from MPI to MPI++
504 Converted backprojection to object-oriented
505 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
508 Simpilifed endian handling
511 Added support for 64-bit (IA64) CPU
512 Removed broken B-spline interpolation
513 Added support for cygwin platform under Windows 2000
514 Added support for 16-bit PNG graphics
517 Added compile-time configuration of endian order
520 Modified the raysum file format to be platform independent
523 Added Microsoft VC compatibility
524 Cleaned up compilation warnings in libgraph
527 Continued conversion to ANSI C
528 Removed old CRT routines
531 Renamed pictures to phantoms, objects to phantom elements
532 Continued code cleanup
535 More code cleanup with reorganizing libraries
536 Added --log and --exp to sdf-1
537 Allowed negative numbers for window levels in CGI interface
540 Continued code cleanup
544 Better documented, coded raysum in-memory on on-disk options
547 Cleaned out library that wasn't being used by CTSim
548 Modified ctsim.cgi to read in configuration file ctsim.conf
551 First open source distribution for GNU/Linux
554 Converted to GNU/Linux
555 added MPI support via LAM library
558 Developed under MS-DOS and IBM EGA graphics