3 * ctsim: Changed default reconstruction filter generation
5 * ctsimtext: Fixed bugs for MSVC and with empty input lines
7 * views.cpp: Fixed bug in copying of labels from images to plotfiles
9 * syserror.cpp: fixed reporting for fatal errors
11 * projections.cpp: fixed MSVC failure with std:: namespace
13 3.0.0alpha4 - Released 1/09/01
15 * ctsim: Added reset to full-intensity scale menu item
17 * ctsim: Add conversion of projections to polar plot [Thanks to
18 Ian Kay for reference and math hints in polar bilinear scaling]
20 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
23 * ctsim: imagefile labels are now copied to plotfiles
25 * ctsim: Added more analyze menuitems
27 * ctsimtext: First version. All command-line tools are now accessed
28 through this master shell. Has both command-line and interactive
31 * ctsim: Fixed initialization of min/max bug for PlotFiles
33 * ezplot: Cleaned up y-tick label placement
35 * sgp: Added better support for projection/reconstruction animation
37 3.0.0alpha3 - Released 1/02/01
39 * ctsim: Added plotting of histograms
41 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
43 * ezplot.cpp: adjusted xtick label displays for better placement
45 3.0alpha2 - Released 1/02/01
47 * ctsim: All functions of command-line tools are now in graphical ctsim
49 * ctsim: added generation of filter images
51 * ctsim: Added 2-image math functions (mul, add, div, sub)
53 * ctsim: Added export of imagefiles to graphic file formats
55 * ctsim: Added support for scaling imagefiles in new sizes
57 * ctsim: Added ability to save standard phantom definitions as
58 text files suitable for reading.
60 * ctsim: Add labels for image transformations and display of labels
61 when performing properties of images.
63 * processsignal.cpp: Fixed "off by one" bug in
64 shuffleNaturalToFourierOrder when n is even. Moved functions to
67 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
68 image math functions to complex-valued math.
70 * phantom.cpp: Added ability to save phantom files as ASCII text.
72 3.0alpha1 - Released 12/29/00
74 * Added PlotFile class to system, used by if2 and ctsim for row
75 and column plots and comparison plots
77 * ctsim: Added image comparison statistics and image subtraction
79 * ctsim: Added plotting of rows & columns with y-axis scaling
81 * ctsim: Added row and column plot comparisons between two image
84 * ctsim: Added "Process" menu to image file display with math
85 functions. Added 2-dimensional inverse Fourier to math
86 functions. Added support for complex (real/imaginary) images.
88 * mathfuncs.cpp: Reworked statistics algorithm to share between
89 imagefile and plotfile classes.
91 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
92 nsamples > 2. Added generic mage math functions, moved from
93 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
96 * array2dfile.cpp: Added code to support complex (real/imaginary)
99 * if1: Updated to handle error conditions, such as sqrt of a
100 negative number. Converted to use new ImageFile math functions.
102 * if2: Updated to output plot files and use new ImageFile class
105 * if1: Updated to use new ImageFile class math functions
107 * ezplot: Reworked to better store colors/linestyles/symbols with
108 individual curves. Improved display of labels and ticks. Updated
109 to use POL class member variable. Updated to more C++ conventions.
111 * pol: converted to C++ class. Extracted HashTable to separate
114 * sgp: Added linestyle settings
117 First Microsoft Windows GUI version
118 Modifications for Microsoft Visual C++ compilation.
119 Improved pjinfo to output binary headers and view data, useful
120 when manually compiling phantoms that vary during projection
121 process. Thanks to Ian Kay for idea and code submission.
122 Improved sorting to find median in ImageFile::statistics
123 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
124 Changed reconstruction dialog to fix onto smaller screens
125 Fixed display of plotting in Projection views
126 Improved animation displays for Projections and Reconstructions
127 Changed code to explicitly use std:: namespace rather than
128 "namespace using std" statements
129 Fixed reconstruction scaling bug introduced in 2.0.6
130 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
133 Fixed minor compilation problem with procsignal.h
135 Fixed bug when simulating projections and Trace == CONSOLE
136 Fixed scaling bug when performing redundant rotations around object
139 Improved compilation on RedHat 7
140 Changed some of ANSI C header files to C++ header files
141 Removed README.RedHat7
144 Added documentation for --geometry setting
145 Added README.RedHat7 document
148 Fixed bug in generation of binary PGM files
149 Fixed MPI compilation bug in phm2pj.cpp
150 Inverted y-axis output for pj2if (bug alert from Ian Kay)
153 Additions to man pages (Ian Kay)
154 Fix problem with reading of ASCII phantom files (Ian Kay)
157 Fixed syntax error in fftw configuration
158 Slight modifications to support gcc v2.9.6
161 Version 2.0.0 released!
162 ctsim: Added Window menu to Main frame
163 ctsim: Disabled not support reconstruction method
164 Fixed obscure bug in sys_error
165 Fixed compilation in mingw environment not present
166 Fixed compilation in non-graphical environments
169 ctsim: Added animation of reconstruction
170 ctsim: Added saving of dialog parameters for Projection & Reconstruction
171 ctsim: Added progress dialog for rasterization of phantom
172 ctsim: used setpriority to set lower priority
173 ctsim: fixed pReconstruct not being deleted causing scaling problem
174 ctsim: fixed projection animation dialog buttons
177 ctsim: Added projection graph to animation of projection collection
178 ctsim: Added single stepping to projection collection animation
179 ctsim: improved File/Properties display for projection files
180 ctsim: Added progress dialog for reconstructions
181 ctsim: Added file labels for projection and reconstruction images
182 ctsim: Made File/Properties bring up modal dialogs
183 Added reconstruction for Equilinear and Equiangular geometries
184 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
185 Separated reconstruction into Reconstructor class
186 Fixed center of detector adjustment for even number of detectors
187 Added --enable-static to generate statically linked programs
190 ctsim: Added animation of projection collection processs
191 ctsim: Added Auto Scaling for image windows
192 ctsim: Change menus from "windowing" to "display scaling"
193 Added FieldOfView and FocalLength ratio parameters to projection collection
194 Added FocalLength & FieldOfView fields to projection data files
195 Added Projection collection for Equilinear and Equiangular geometries
196 Changed name of Rowland Phantom to correct name of Shepp-Logan
197 Fixed bug in backprojection selection
200 Added RCS Id strings to executable files
201 Added RPM Spec file for RPM package creation
202 Added loading of ASCII phanthom definitions from files
203 Fixed compilation for non-SGP architectures
204 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
205 Added Filter-Generation option to reconstruction to allow direct or
206 inverse_fourier construction of filters
207 Added median to statistics and to auto-windowing
210 Added line color support to SGP
214 Finished support for dmallocxx library
215 Fixed bug in SignalFilter::convertFilterMethodNameToID()
216 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
217 G2 windows and well as WXWindows.
218 ctsim program: "Create Phantom" now shows phantom object
219 Fixed row-plot bug in if-2
220 Reworked EZPlot's multiple plot operation
223 ctsim program: improved initial size and scroll area for image
225 ctsim program: added rasterization parameters, projections parameters,
226 and reconstruction parameters dialogs
227 Moved char[] static definition from header files to c++ files
228 Completely reorganized option processing in classes to improve
229 expandability and to assist ctsim graphical user interface.
232 ctsim program: Added dialog to set minimum/maximum display levels
233 Started ctsim.tex document file
236 Fixed compiler warnings at -Wall level
237 Began work on CTSim program to be graphical front-end of all functions
238 Moved current src/*.cpp to tools/*.cpp
239 Made CTSim graphical front-end's home to be src/
242 Added highly optimized backprojection method idiff3
243 Moved comparative stats to if-2 program from ifinfo
244 Fixed image display in if2img using G2 library
245 Added column-plot and row-plot options to if-2
246 Added autoselection of analytic/calculated spatial responses to SignalFilter
247 Added frequency-based preinterpolation to SignalFilter and idiff3
248 backprojection method. Currently, this technique is still under
249 development and debugging
250 Moved graphic file writing to ImageFile class from if2img program
253 Cleaned up SignalFilter class
254 Added zeropad option to pjrec
255 Added zeropad options to html and cgi files
256 Added fourier_table and rfttw filter methods
257 Added FFTW routines to use real/half-complex transformations
260 Updated trace level processing
261 Added trace level to SignalFilter
262 Fixed magnitude vs. real output bug in FFT/Fourier filter
265 Fixed const issue with ImageFileArray
266 Fixed Array2dFile::labelsCopy()
267 Added copy constructor and assignment for Array2dFileLabel class
268 Added Timer to if-2.cpp and ifinfo.cpp
269 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
270 Added option processing for filter-method for pjrec to choose
271 between convolution, dft, & fft filtering
272 Fixed format string for EZPlot so axis labels now print
273 Added support for FFTW library
276 Rewrote Array2dFile class to be non-templated
277 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
278 Rewrote Array2dFileLabel class to make members private, added access routines
279 Removed timedate.cpp in favor of standard C library time/date functions
280 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
281 Added signature tag and creation date/time to projection files
284 Standardized string option processing by classes. All classes use character strings
285 to select options rather than numeric constants. Added fail() and failMessage()
286 methods to verify that objects are created correctly by character strings.
287 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
288 Rewrote ImageFile class
289 Started support for dmallocxx library, not finished
290 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
291 Updated ifinfo to show comparative statistics
292 Added printLabels() to Array2dFile class
293 Added printStatistics() to ImageFile class
296 Moved conversion filter name/id to Filter class
297 Moved conversion backprojection name/id to Backproj class
298 Added MPI broadcasting of strings
301 Merged proj_reconstr into class Projections
302 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
303 Code cleanup in projections.cpp
304 Moved conversion of phantom names/id to Phantom class
307 Converted projection files to C++ library with frnetorderstream
308 Converted image files to C++ library with frnetorderstream
309 Converted filter and convolution to object-oriented code
310 Changed default image file to float from double -- Changable in imagefile.h
311 Optimized image file writing on little-endian architectures
312 Updated README and INSTALL
315 Reorganized source files
316 MPI bug fixed to phm2pj.cpp
319 Reorganized include files
320 Fixed const pointers in strfuncs
323 Renamed directories, moved source files, combined source files
324 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
328 Skip versions to make version 2.0 the first fully C++ version
329 Renamed Raysums to Projections throughout files
330 Renamed Detector to Scanner
331 Converted Scanner and Projecions to full object-oriented
334 Converted Phantom and PhantomElements to Object-Oriented
335 Converted Detector to Object-Oriented
338 Improved Integer backprojection method
339 Fixed nearest neighbor to be truly nearest neighbor
340 Made linear interpolation more integer arithmetic -> speed improvement
341 Finished converting all C files to C++
342 Converted all use of malloc/free to C++ new/delete
343 Began object-oriented conversion of Phantom and Projection structures
346 Converted MPI data structures to C++ object
347 Made ImageFile directly inherit from Array2dFile
350 First C++ conversions
351 Portable IF (image file) format implemented with objects (SDF removed)
352 - Now all data files are cross-platform compatible
353 Converted from MPI to MPI++
354 Converted backprojection to object-oriented
355 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
358 Simpilifed endian handling
361 Added support for 64-bit (IA64) CPU
362 Removed broken B-spline interpolation
363 Added support for cygwin platform under Windows 2000
364 Added support for 16-bit PNG graphics
367 Added compile-time configuration of endian order
370 Modified the raysum file format to be platform independent
373 Added Microsoft VC compatibility
374 Cleaned up compilation warnings in libgraph
377 Continued conversion to ANSI C
378 Removed old CRT routines
381 Renamed pictures to phantoms, objects to phantom elements
382 Continued code cleanup
385 More code cleanup with reorganizing libraries
386 Added --log and --exp to sdf-1
387 Allowed negative numbers for window levels in CGI interface
390 Continued code cleanup
394 Better documented, coded raysum in-memory on on-disk options
397 Cleaned out library that wasn't being used by CTSim
398 Modified ctsim.cgi to read in configuration file ctsim.conf
401 First open source distribution for GNU/Linux
404 Converted to GNU/Linux
405 added MPI support via LAM library
408 Developed under MS-DOS and IBM EGA graphics