3 * global: Projection files are not compatible with previous version
4 due to new scanner definitions.
6 * global: deleted concept of field-of-view and added
7 view ratio and scan ratio concepts.
9 * ctsim: Added most-recently-used files to File menu with
10 registry storage between executions.
12 * ctsim: Added MDI interface for Windows version and made it default for Windows.
14 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
16 * ctsim: Added graphical About box
18 * ctsim: Escape key now removes cursor lines from image file view
20 * ctsim: Added Revert to ImageFile menu
22 * ctsim: Added accelerator (hotkeys) to frames
24 * ctsim: Online help added as well as HTML help
26 * backprojector: Added cubic interpolation
28 * ctsim: Added icons to Frames on X-Window and MS Windows versions
30 * ctsim: Fixed tick-label placement for plots on projection and
31 reconstruction dialogs.
33 * timer.h: Add use of _ftime when compiling on MSVC
35 * ctsim: Fixed crash on shutdown bug
37 * pjinfo: Fixed bug when doing --dump and not specifing --endview
39 * phm2pj: Fixed MPI bug with broadcasting of variables
41 * ctsimtext-lam: Changes for first version to compile under lam
43 3.0.0alpha5 - Released 1/12/00
45 * ctsim: Added EZPlotDialog, used by debugging plots in
48 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
49 bug in parsing command-line parameters.
51 * views.cpp: Fixed bug in copying of labels from images to
54 * syserror.cpp: fixed reporting for fatal errors
56 * projections.cpp: fixed MSVC failure with std:: namespace
58 * procsignal.cpp: fixed bug in equiangular reconstructions
59 for frequency/inverse-fourier filtering
61 3.0.0alpha4 - Released 1/09/01
63 * ctsim: Added reset to full-intensity scale menu item
65 * ctsim: Add conversion of projections to polar plot [Thanks to
66 Ian Kay for reference and math hints in polar bilinear scaling]
68 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
71 * ctsim: imagefile labels are now copied to plotfiles
73 * ctsim: Added more analyze menuitems
75 * ctsimtext: First version. All command-line tools are now accessed
76 through this master shell. Has both command-line and interactive
79 * ctsim: Fixed initialization of min/max bug for PlotFiles
81 * ezplot: Cleaned up y-tick label placement
83 * sgp: Added better support for projection/reconstruction animation
85 3.0.0alpha3 - Released 1/02/01
87 * ctsim: Added plotting of histograms
89 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
91 * ezplot.cpp: adjusted xtick label displays for better placement
93 3.0alpha2 - Released 1/02/01
95 * ctsim: All functions of command-line tools are now in graphical ctsim
97 * ctsim: added generation of filter images
99 * ctsim: Added 2-image math functions (mul, add, div, sub)
101 * ctsim: Added export of imagefiles to graphic file formats
103 * ctsim: Added support for scaling imagefiles in new sizes
105 * ctsim: Added ability to save standard phantom definitions as
106 text files suitable for reading.
108 * ctsim: Add labels for image transformations and display of labels
109 when performing properties of images.
111 * processsignal.cpp: Fixed "off by one" bug in
112 shuffleNaturalToFourierOrder when n is even. Moved functions to
115 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
116 image math functions to complex-valued math.
118 * phantom.cpp: Added ability to save phantom files as ASCII text.
120 3.0alpha1 - Released 12/29/00
122 * Added PlotFile class to system, used by if2 and ctsim for row
123 and column plots and comparison plots
125 * ctsim: Added image comparison statistics and image subtraction
127 * ctsim: Added plotting of rows & columns with y-axis scaling
129 * ctsim: Added row and column plot comparisons between two image
132 * ctsim: Added "Process" menu to image file display with math
133 functions. Added 2-dimensional inverse Fourier to math
134 functions. Added support for complex (real/imaginary) images.
136 * mathfuncs.cpp: Reworked statistics algorithm to share between
137 imagefile and plotfile classes.
139 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
140 nsamples > 2. Added generic mage math functions, moved from
141 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
144 * array2dfile.cpp: Added code to support complex (real/imaginary)
147 * if1: Updated to handle error conditions, such as sqrt of a
148 negative number. Converted to use new ImageFile math functions.
150 * if2: Updated to output plot files and use new ImageFile class
153 * if1: Updated to use new ImageFile class math functions
155 * ezplot: Reworked to better store colors/linestyles/symbols with
156 individual curves. Improved display of labels and ticks. Updated
157 to use POL class member variable. Updated to more C++ conventions.
159 * pol: converted to C++ class. Extracted HashTable to separate
162 * sgp: Added linestyle settings
165 First Microsoft Windows GUI version
166 Modifications for Microsoft Visual C++ compilation.
167 Improved pjinfo to output binary headers and view data, useful
168 when manually compiling phantoms that vary during projection
169 process. Thanks to Ian Kay for idea and code submission.
170 Improved sorting to find median in ImageFile::statistics
171 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
172 Changed reconstruction dialog to fix onto smaller screens
173 Fixed display of plotting in Projection views
174 Improved animation displays for Projections and Reconstructions
175 Changed code to explicitly use std:: namespace rather than
176 "namespace using std" statements
177 Fixed reconstruction scaling bug introduced in 2.0.6
178 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
181 Fixed minor compilation problem with procsignal.h
183 Fixed bug when simulating projections and Trace == CONSOLE
184 Fixed scaling bug when performing redundant rotations around object
187 Improved compilation on RedHat 7
188 Changed some of ANSI C header files to C++ header files
189 Removed README.RedHat7
192 Added documentation for --geometry setting
193 Added README.RedHat7 document
196 Fixed bug in generation of binary PGM files
197 Fixed MPI compilation bug in phm2pj.cpp
198 Inverted y-axis output for pj2if (bug alert from Ian Kay)
201 Additions to man pages (Ian Kay)
202 Fix problem with reading of ASCII phantom files (Ian Kay)
205 Fixed syntax error in fftw configuration
206 Slight modifications to support gcc v2.9.6
209 Version 2.0.0 released!
210 ctsim: Added Window menu to Main frame
211 ctsim: Disabled not support reconstruction method
212 Fixed obscure bug in sys_error
213 Fixed compilation in mingw environment not present
214 Fixed compilation in non-graphical environments
217 ctsim: Added animation of reconstruction
218 ctsim: Added saving of dialog parameters for Projection & Reconstruction
219 ctsim: Added progress dialog for rasterization of phantom
220 ctsim: used setpriority to set lower priority
221 ctsim: fixed pReconstruct not being deleted causing scaling problem
222 ctsim: fixed projection animation dialog buttons
225 ctsim: Added projection graph to animation of projection collection
226 ctsim: Added single stepping to projection collection animation
227 ctsim: improved File/Properties display for projection files
228 ctsim: Added progress dialog for reconstructions
229 ctsim: Added file labels for projection and reconstruction images
230 ctsim: Made File/Properties bring up modal dialogs
231 Added reconstruction for Equilinear and Equiangular geometries
232 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
233 Separated reconstruction into Reconstructor class
234 Fixed center of detector adjustment for even number of detectors
235 Added --enable-static to generate statically linked programs
238 ctsim: Added animation of projection collection processs
239 ctsim: Added Auto Scaling for image windows
240 ctsim: Change menus from "windowing" to "display scaling"
241 Added FieldOfView and FocalLength ratio parameters to projection collection
242 Added FocalLength & FieldOfView fields to projection data files
243 Added Projection collection for Equilinear and Equiangular geometries
244 Changed name of Rowland Phantom to correct name of Shepp-Logan
245 Fixed bug in backprojection selection
248 Added RCS Id strings to executable files
249 Added RPM Spec file for RPM package creation
250 Added loading of ASCII phanthom definitions from files
251 Fixed compilation for non-SGP architectures
252 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
253 Added Filter-Generation option to reconstruction to allow direct or
254 inverse_fourier construction of filters
255 Added median to statistics and to auto-windowing
258 Added line color support to SGP
262 Finished support for dmallocxx library
263 Fixed bug in SignalFilter::convertFilterMethodNameToID()
264 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
265 G2 windows and well as WXWindows.
266 ctsim program: "Create Phantom" now shows phantom object
267 Fixed row-plot bug in if-2
268 Reworked EZPlot's multiple plot operation
271 ctsim program: improved initial size and scroll area for image
273 ctsim program: added rasterization parameters, projections parameters,
274 and reconstruction parameters dialogs
275 Moved char[] static definition from header files to c++ files
276 Completely reorganized option processing in classes to improve
277 expandability and to assist ctsim graphical user interface.
280 ctsim program: Added dialog to set minimum/maximum display levels
281 Started ctsim.tex document file
284 Fixed compiler warnings at -Wall level
285 Began work on CTSim program to be graphical front-end of all functions
286 Moved current src/*.cpp to tools/*.cpp
287 Made CTSim graphical front-end's home to be src/
290 Added highly optimized backprojection method idiff3
291 Moved comparative stats to if-2 program from ifinfo
292 Fixed image display in if2img using G2 library
293 Added column-plot and row-plot options to if-2
294 Added autoselection of analytic/calculated spatial responses to SignalFilter
295 Added frequency-based preinterpolation to SignalFilter and idiff3
296 backprojection method. Currently, this technique is still under
297 development and debugging
298 Moved graphic file writing to ImageFile class from if2img program
301 Cleaned up SignalFilter class
302 Added zeropad option to pjrec
303 Added zeropad options to html and cgi files
304 Added fourier_table and rfttw filter methods
305 Added FFTW routines to use real/half-complex transformations
308 Updated trace level processing
309 Added trace level to SignalFilter
310 Fixed magnitude vs. real output bug in FFT/Fourier filter
313 Fixed const issue with ImageFileArray
314 Fixed Array2dFile::labelsCopy()
315 Added copy constructor and assignment for Array2dFileLabel class
316 Added Timer to if-2.cpp and ifinfo.cpp
317 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
318 Added option processing for filter-method for pjrec to choose
319 between convolution, dft, & fft filtering
320 Fixed format string for EZPlot so axis labels now print
321 Added support for FFTW library
324 Rewrote Array2dFile class to be non-templated
325 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
326 Rewrote Array2dFileLabel class to make members private, added access routines
327 Removed timedate.cpp in favor of standard C library time/date functions
328 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
329 Added signature tag and creation date/time to projection files
332 Standardized string option processing by classes. All classes use character strings
333 to select options rather than numeric constants. Added fail() and failMessage()
334 methods to verify that objects are created correctly by character strings.
335 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
336 Rewrote ImageFile class
337 Started support for dmallocxx library, not finished
338 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
339 Updated ifinfo to show comparative statistics
340 Added printLabels() to Array2dFile class
341 Added printStatistics() to ImageFile class
344 Moved conversion filter name/id to Filter class
345 Moved conversion backprojection name/id to Backproj class
346 Added MPI broadcasting of strings
349 Merged proj_reconstr into class Projections
350 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
351 Code cleanup in projections.cpp
352 Moved conversion of phantom names/id to Phantom class
355 Converted projection files to C++ library with frnetorderstream
356 Converted image files to C++ library with frnetorderstream
357 Converted filter and convolution to object-oriented code
358 Changed default image file to float from double -- Changable in imagefile.h
359 Optimized image file writing on little-endian architectures
360 Updated README and INSTALL
363 Reorganized source files
364 MPI bug fixed to phm2pj.cpp
367 Reorganized include files
368 Fixed const pointers in strfuncs
371 Renamed directories, moved source files, combined source files
372 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
376 Skip versions to make version 2.0 the first fully C++ version
377 Renamed Raysums to Projections throughout files
378 Renamed Detector to Scanner
379 Converted Scanner and Projecions to full object-oriented
382 Converted Phantom and PhantomElements to Object-Oriented
383 Converted Detector to Object-Oriented
386 Improved Integer backprojection method
387 Fixed nearest neighbor to be truly nearest neighbor
388 Made linear interpolation more integer arithmetic -> speed improvement
389 Finished converting all C files to C++
390 Converted all use of malloc/free to C++ new/delete
391 Began object-oriented conversion of Phantom and Projection structures
394 Converted MPI data structures to C++ object
395 Made ImageFile directly inherit from Array2dFile
398 First C++ conversions
399 Portable IF (image file) format implemented with objects (SDF removed)
400 - Now all data files are cross-platform compatible
401 Converted from MPI to MPI++
402 Converted backprojection to object-oriented
403 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
406 Simpilifed endian handling
409 Added support for 64-bit (IA64) CPU
410 Removed broken B-spline interpolation
411 Added support for cygwin platform under Windows 2000
412 Added support for 16-bit PNG graphics
415 Added compile-time configuration of endian order
418 Modified the raysum file format to be platform independent
421 Added Microsoft VC compatibility
422 Cleaned up compilation warnings in libgraph
425 Continued conversion to ANSI C
426 Removed old CRT routines
429 Renamed pictures to phantoms, objects to phantom elements
430 Continued code cleanup
433 More code cleanup with reorganizing libraries
434 Added --log and --exp to sdf-1
435 Allowed negative numbers for window levels in CGI interface
438 Continued code cleanup
442 Better documented, coded raysum in-memory on on-disk options
445 Cleaned out library that wasn't being used by CTSim
446 Modified ctsim.cgi to read in configuration file ctsim.conf
449 First open source distribution for GNU/Linux
452 Converted to GNU/Linux
453 added MPI support via LAM library
456 Developed under MS-DOS and IBM EGA graphics