1 3.0.1 - Released 2/19/01
3 * ctsim: Fixed dialog box for reconstruction so that
4 rotation angle setting will stay fixed in-between use
7 * syserror: Fixed display bug for trace messages
9 * ctsim: MSVC optimization bug work-around, compiler
12 3.0.0 - Released 2/19/01
14 * ctsim: Massive update/fix to online help and print manual.
16 * ctsim: Added context-sensitive help to dialog boxes
18 * ctsim: Reformated all dialog boxes, much nicer now.
20 * ctsim: Improved accelerator key handling
22 * global: Added Hanning filter.
24 * global: Improved default parameters to that all defaults give
27 3.0.0beta1 - Released 2/11/01
29 * ctsim: Added most-recently-used files to File menu with
30 registry storage between executions.
32 * ctsim: Hides arcane features unless enabled by Preferences dialog
34 * ctsim: Added MDI interface for Windows version and made it default for Windows.
36 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
38 * ctsim: Added graphical About box
40 * ctsim: Escape key now removes cursor lines from image file view
42 * ctsim: Added Revert to ImageFile menu
44 * ctsim: Added accelerator (hotkeys) to frames
46 * ctsim: Online help added!
48 * backprojector: Added cubic interpolation
50 * ctsim: Added icons to Frames on X-Window and MS Windows versions
52 * ctsim: Fixed tick-label placement for plots on projection and
53 reconstruction dialogs.
55 * timer.h: Add use of _ftime when compiling on MSVC
57 * global: Projection files are not compatible with previous version
58 due to new scanner definitions.
60 * global: deleted concept of field-of-view and added
61 view ratio and scan ratio concepts.
63 * ctsim: Fixed crash on shutdown bug
65 * pjinfo: Fixed bug when doing --dump and not specifing --endview
67 * phm2pj: Fixed MPI bug with broadcasting of variables
69 * ctsimtext-lam: Changes for first version to compile under lam
72 3.0.0alpha5 - Released 1/12/00
74 * ctsim: Added EZPlotDialog, used by debugging plots in
77 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
78 bug in parsing command-line parameters.
80 * views.cpp: Fixed bug in copying of labels from images to
83 * syserror.cpp: fixed reporting for fatal errors
85 * projections.cpp: fixed MSVC failure with std:: namespace
87 * procsignal.cpp: fixed bug in equiangular reconstructions
88 for frequency/inverse-fourier filtering
90 3.0.0alpha4 - Released 1/09/01
92 * ctsim: Added reset to full-intensity scale menu item
94 * ctsim: Add conversion of projections to polar plot [Thanks to
95 Ian Kay for reference and math hints in polar bilinear scaling]
97 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
100 * ctsim: imagefile labels are now copied to plotfiles
102 * ctsim: Added more analyze menuitems
104 * ctsimtext: First version. All command-line tools are now accessed
105 through this master shell. Has both command-line and interactive
108 * ctsim: Fixed initialization of min/max bug for PlotFiles
110 * ezplot: Cleaned up y-tick label placement
112 * sgp: Added better support for projection/reconstruction animation
114 3.0.0alpha3 - Released 1/02/01
116 * ctsim: Added plotting of histograms
118 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
120 * ezplot.cpp: adjusted xtick label displays for better placement
122 3.0alpha2 - Released 1/02/01
124 * ctsim: All functions of command-line tools are now in graphical ctsim
126 * ctsim: added generation of filter images
128 * ctsim: Added 2-image math functions (mul, add, div, sub)
130 * ctsim: Added export of imagefiles to graphic file formats
132 * ctsim: Added support for scaling imagefiles in new sizes
134 * ctsim: Added ability to save standard phantom definitions as
135 text files suitable for reading.
137 * ctsim: Add labels for image transformations and display of labels
138 when performing properties of images.
140 * processsignal.cpp: Fixed "off by one" bug in
141 shuffleNaturalToFourierOrder when n is even. Moved functions to
144 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
145 image math functions to complex-valued math.
147 * phantom.cpp: Added ability to save phantom files as ASCII text.
149 3.0alpha1 - Released 12/29/00
151 * Added PlotFile class to system, used by if2 and ctsim for row
152 and column plots and comparison plots
154 * ctsim: Added image comparison statistics and image subtraction
156 * ctsim: Added plotting of rows & columns with y-axis scaling
158 * ctsim: Added row and column plot comparisons between two image
161 * ctsim: Added "Process" menu to image file display with math
162 functions. Added 2-dimensional inverse Fourier to math
163 functions. Added support for complex (real/imaginary) images.
165 * mathfuncs.cpp: Reworked statistics algorithm to share between
166 imagefile and plotfile classes.
168 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
169 nsamples > 2. Added generic mage math functions, moved from
170 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
173 * array2dfile.cpp: Added code to support complex (real/imaginary)
176 * if1: Updated to handle error conditions, such as sqrt of a
177 negative number. Converted to use new ImageFile math functions.
179 * if2: Updated to output plot files and use new ImageFile class
182 * if1: Updated to use new ImageFile class math functions
184 * ezplot: Reworked to better store colors/linestyles/symbols with
185 individual curves. Improved display of labels and ticks. Updated
186 to use POL class member variable. Updated to more C++ conventions.
188 * pol: converted to C++ class. Extracted HashTable to separate
191 * sgp: Added linestyle settings
194 First Microsoft Windows GUI version
195 Modifications for Microsoft Visual C++ compilation.
196 Improved pjinfo to output binary headers and view data, useful
197 when manually compiling phantoms that vary during projection
198 process. Thanks to Ian Kay for idea and code submission.
199 Improved sorting to find median in ImageFile::statistics
200 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
201 Changed reconstruction dialog to fix onto smaller screens
202 Fixed display of plotting in Projection views
203 Improved animation displays for Projections and Reconstructions
204 Changed code to explicitly use std:: namespace rather than
205 "namespace using std" statements
206 Fixed reconstruction scaling bug introduced in 2.0.6
207 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
210 Fixed minor compilation problem with procsignal.h
212 Fixed bug when simulating projections and Trace == CONSOLE
213 Fixed scaling bug when performing redundant rotations around object
216 Improved compilation on RedHat 7
217 Changed some of ANSI C header files to C++ header files
218 Removed README.RedHat7
221 Added documentation for --geometry setting
222 Added README.RedHat7 document
225 Fixed bug in generation of binary PGM files
226 Fixed MPI compilation bug in phm2pj.cpp
227 Inverted y-axis output for pj2if (bug alert from Ian Kay)
230 Additions to man pages (Ian Kay)
231 Fix problem with reading of ASCII phantom files (Ian Kay)
234 Fixed syntax error in fftw configuration
235 Slight modifications to support gcc v2.9.6
238 Version 2.0.0 released!
239 ctsim: Added Window menu to Main frame
240 ctsim: Disabled not support reconstruction method
241 Fixed obscure bug in sys_error
242 Fixed compilation in mingw environment not present
243 Fixed compilation in non-graphical environments
246 ctsim: Added animation of reconstruction
247 ctsim: Added saving of dialog parameters for Projection & Reconstruction
248 ctsim: Added progress dialog for rasterization of phantom
249 ctsim: used setpriority to set lower priority
250 ctsim: fixed pReconstruct not being deleted causing scaling problem
251 ctsim: fixed projection animation dialog buttons
254 ctsim: Added projection graph to animation of projection collection
255 ctsim: Added single stepping to projection collection animation
256 ctsim: improved File/Properties display for projection files
257 ctsim: Added progress dialog for reconstructions
258 ctsim: Added file labels for projection and reconstruction images
259 ctsim: Made File/Properties bring up modal dialogs
260 Added reconstruction for Equilinear and Equiangular geometries
261 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
262 Separated reconstruction into Reconstructor class
263 Fixed center of detector adjustment for even number of detectors
264 Added --enable-static to generate statically linked programs
267 ctsim: Added animation of projection collection processs
268 ctsim: Added Auto Scaling for image windows
269 ctsim: Change menus from "windowing" to "display scaling"
270 Added FieldOfView and FocalLength ratio parameters to projection collection
271 Added FocalLength & FieldOfView fields to projection data files
272 Added Projection collection for Equilinear and Equiangular geometries
273 Changed name of Rowland Phantom to correct name of Shepp-Logan
274 Fixed bug in backprojection selection
277 Added RCS Id strings to executable files
278 Added RPM Spec file for RPM package creation
279 Added loading of ASCII phanthom definitions from files
280 Fixed compilation for non-SGP architectures
281 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
282 Added Filter-Generation option to reconstruction to allow direct or
283 inverse_fourier construction of filters
284 Added median to statistics and to auto-windowing
287 Added line color support to SGP
291 Finished support for dmallocxx library
292 Fixed bug in SignalFilter::convertFilterMethodNameToID()
293 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
294 G2 windows and well as WXWindows.
295 ctsim program: "Create Phantom" now shows phantom object
296 Fixed row-plot bug in if-2
297 Reworked EZPlot's multiple plot operation
300 ctsim program: improved initial size and scroll area for image
302 ctsim program: added rasterization parameters, projections parameters,
303 and reconstruction parameters dialogs
304 Moved char[] static definition from header files to c++ files
305 Completely reorganized option processing in classes to improve
306 expandability and to assist ctsim graphical user interface.
309 ctsim program: Added dialog to set minimum/maximum display levels
310 Started ctsim.tex document file
313 Fixed compiler warnings at -Wall level
314 Began work on CTSim program to be graphical front-end of all functions
315 Moved current src/*.cpp to tools/*.cpp
316 Made CTSim graphical front-end's home to be src/
319 Added highly optimized backprojection method idiff3
320 Moved comparative stats to if-2 program from ifinfo
321 Fixed image display in if2img using G2 library
322 Added column-plot and row-plot options to if-2
323 Added autoselection of analytic/calculated spatial responses to SignalFilter
324 Added frequency-based preinterpolation to SignalFilter and idiff3
325 backprojection method. Currently, this technique is still under
326 development and debugging
327 Moved graphic file writing to ImageFile class from if2img program
330 Cleaned up SignalFilter class
331 Added zeropad option to pjrec
332 Added zeropad options to html and cgi files
333 Added fourier_table and rfttw filter methods
334 Added FFTW routines to use real/half-complex transformations
337 Updated trace level processing
338 Added trace level to SignalFilter
339 Fixed magnitude vs. real output bug in FFT/Fourier filter
342 Fixed const issue with ImageFileArray
343 Fixed Array2dFile::labelsCopy()
344 Added copy constructor and assignment for Array2dFileLabel class
345 Added Timer to if-2.cpp and ifinfo.cpp
346 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
347 Added option processing for filter-method for pjrec to choose
348 between convolution, dft, & fft filtering
349 Fixed format string for EZPlot so axis labels now print
350 Added support for FFTW library
353 Rewrote Array2dFile class to be non-templated
354 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
355 Rewrote Array2dFileLabel class to make members private, added access routines
356 Removed timedate.cpp in favor of standard C library time/date functions
357 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
358 Added signature tag and creation date/time to projection files
361 Standardized string option processing by classes. All classes use character strings
362 to select options rather than numeric constants. Added fail() and failMessage()
363 methods to verify that objects are created correctly by character strings.
364 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
365 Rewrote ImageFile class
366 Started support for dmallocxx library, not finished
367 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
368 Updated ifinfo to show comparative statistics
369 Added printLabels() to Array2dFile class
370 Added printStatistics() to ImageFile class
373 Moved conversion filter name/id to Filter class
374 Moved conversion backprojection name/id to Backproj class
375 Added MPI broadcasting of strings
378 Merged proj_reconstr into class Projections
379 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
380 Code cleanup in projections.cpp
381 Moved conversion of phantom names/id to Phantom class
384 Converted projection files to C++ library with frnetorderstream
385 Converted image files to C++ library with frnetorderstream
386 Converted filter and convolution to object-oriented code
387 Changed default image file to float from double -- Changable in imagefile.h
388 Optimized image file writing on little-endian architectures
389 Updated README and INSTALL
392 Reorganized source files
393 MPI bug fixed to phm2pj.cpp
396 Reorganized include files
397 Fixed const pointers in strfuncs
400 Renamed directories, moved source files, combined source files
401 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
405 Skip versions to make version 2.0 the first fully C++ version
406 Renamed Raysums to Projections throughout files
407 Renamed Detector to Scanner
408 Converted Scanner and Projecions to full object-oriented
411 Converted Phantom and PhantomElements to Object-Oriented
412 Converted Detector to Object-Oriented
415 Improved Integer backprojection method
416 Fixed nearest neighbor to be truly nearest neighbor
417 Made linear interpolation more integer arithmetic -> speed improvement
418 Finished converting all C files to C++
419 Converted all use of malloc/free to C++ new/delete
420 Began object-oriented conversion of Phantom and Projection structures
423 Converted MPI data structures to C++ object
424 Made ImageFile directly inherit from Array2dFile
427 First C++ conversions
428 Portable IF (image file) format implemented with objects (SDF removed)
429 - Now all data files are cross-platform compatible
430 Converted from MPI to MPI++
431 Converted backprojection to object-oriented
432 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
435 Simpilifed endian handling
438 Added support for 64-bit (IA64) CPU
439 Removed broken B-spline interpolation
440 Added support for cygwin platform under Windows 2000
441 Added support for 16-bit PNG graphics
444 Added compile-time configuration of endian order
447 Modified the raysum file format to be platform independent
450 Added Microsoft VC compatibility
451 Cleaned up compilation warnings in libgraph
454 Continued conversion to ANSI C
455 Removed old CRT routines
458 Renamed pictures to phantoms, objects to phantom elements
459 Continued code cleanup
462 More code cleanup with reorganizing libraries
463 Added --log and --exp to sdf-1
464 Allowed negative numbers for window levels in CGI interface
467 Continued code cleanup
471 Better documented, coded raysum in-memory on on-disk options
474 Cleaned out library that wasn't being used by CTSim
475 Modified ctsim.cgi to read in configuration file ctsim.conf
478 First open source distribution for GNU/Linux
481 Converted to GNU/Linux
482 added MPI support via LAM library
485 Developed under MS-DOS and IBM EGA graphics