1 Jun 26, 2002 Version 3.5.6
3 * Fix minor color PNG image importing bug
5 * Bug fix for building on Debian alpha platform
7 * Fix g++ compilation warnings
9 Jun 13, 2002 Version 3.5.5
11 * Fix printing of version number
15 * Updated Win32 compatibility
17 Jun 8, 2002 Version 3.5.4
19 * Print version number in log window with About command
21 * Fix problem with captions not showing on some windows. Reworked
22 creation of new windows.
24 * Disabled status bar on 3d views
26 * Fix bug in configure.ac that prevented using compiler
29 * Updated About splash screen
31 May 29, 2002 Version 3.5.3
32 * Added support for g++ 3.04 compiler
34 May 8, 2002 Version 3.5.2
35 * configure: improved CTN (DICOM) installation search
36 * src/ctsim.cpp: Fixed initial image size with import command
38 May 5, 2002 Version 3.5.1
42 * ctsim: Added tips to be displayed at startup and via the help menu.
43 * ctsim: Added center-detector concept. Allow for detector array
44 to be any arbitrary distance from center of scanner. As a result,
45 projection files are not incompatible with previous version of
47 * ctsim: Added threaded tasks and background manager for
48 background processing as well as taking advantage of multiple-CPU's
49 on SMP systems. (Microsoft Windows only)
50 * ctsim: Added plot t-theta sampling to projection file menu.
51 * ctsim: Added Reconstruction with Rebinning for faster
52 divergent beam reconstructions.
53 * ctsim: Added import and export of DICOM image files.
54 * ctsim: Added PPM, PGM, and PNG file import to imagefile.
55 * ctsim: Added FFT/IFFT of columns of image files.
56 * ctsim: Added clipboard cut/copy/paste for image files.
57 * ctsim: Added region of interest to reconstructions.
58 * ctsim: Added Convert Rectangular Image to Projection files
59 * ctsim: Added "Verbose Logging", "Startup Tips", and
60 "Background processes" options to Preferences dialog.
61 * ctsim: Added plotting of projection file histograms.
62 * plotfile: Added scattergram plot functions
63 * ctsim: Added accelerator key for File-Properties
64 * ctsim: Improved wireframe 3-d display to remove hidden
66 * backprojectors.cpp: Added setting of axis extent and increment
68 * projections.cpp: Can read and reconstruct SIEMENS AR.STAR DICOM
69 projection data files.
73 * views.cpp: reduced calls to progress bar update, significant speedup
74 * views.cpp,ctsim.cpp: Fixed bug with window frames sometimes
75 not being displayed on Unix platforms.
76 * views.cpp: Added out-of-memory checks to display for huge
77 image and projection files.
78 * filter.cpp: Fixed Hanning parameter to be 0.5 rather than 0.54
79 * imagefile.cpp: Fixed scaling factor in fftRows
80 * imagefile.cpp: Fixed bug when performing magnitude() on real-valued
82 * sgp.cpp: Fixed bug in drawCircle.
83 * distribution: fixed problem with documentation files not
84 being included with the distribution (Reported by Ian Kay).
85 * sgp.cpp/ezplot.cpp: Improved plotting with markers.
86 * fixed ctsimtext shell when giving no parameters to function-name
87 * phm2if, phm2pj: Updated help messages for renamed phantoms
89 3.0.3 - Released 2/20/01
91 * ctsim: Fixed core dump on Linux with OpenGL
93 * ctsim: Fixed context-sensitive help on Linux
95 * ctsim: Fixed About box on Linux
97 3.0.2 - Released 2/20/01
99 * scanner.cpp: Fixed bug when number of detectors was even.
101 * ctsim: Improved error handling when trying to convert
102 divergent projections into polar form.
104 3.0.1 - Released 2/19/01
106 * ctsim: Fixed dialog box for reconstruction so that
107 rotation angle setting will stay fixed in-between use
110 * syserror: Fixed display bug for trace messages
112 * ctsim: MSVC optimization bug work-around, compiler
115 3.0.0 - Released 2/19/01
117 * ctsim: Massive update/fix to online help and print manual.
119 * ctsim: Added context-sensitive help to dialog boxes
121 * ctsim: Reformated all dialog boxes, much nicer now.
123 * ctsim: Improved accelerator key handling
125 * global: Added Hanning filter.
127 * global: Improved default parameters to that all defaults give
130 3.0.0beta1 - Released 2/11/01
132 * ctsim: Added most-recently-used files to File menu with
133 registry storage between executions.
135 * ctsim: Hides arcane features unless enabled by Preferences dialog
137 * ctsim: Added MDI interface for Windows version and made it default for Windows.
139 * ctsim: Added 3-D wireframe view of images (uses OpenGL)
141 * ctsim: Added graphical About box
143 * ctsim: Escape key now removes cursor lines from image file view
145 * ctsim: Added Revert to ImageFile menu
147 * ctsim: Added accelerator (hotkeys) to frames
149 * ctsim: Online help added!
151 * backprojector: Added cubic interpolation
153 * ctsim: Added icons to Frames on X-Window and MS Windows versions
155 * ctsim: Fixed tick-label placement for plots on projection and
156 reconstruction dialogs.
158 * timer.h: Add use of _ftime when compiling on MSVC
160 * global: Projection files are not compatible with previous version
161 due to new scanner definitions.
163 * global: deleted concept of field-of-view and added
164 view ratio and scan ratio concepts.
166 * ctsim: Fixed crash on shutdown bug
168 * pjinfo: Fixed bug when doing --dump and not specifing --endview
170 * phm2pj: Fixed MPI bug with broadcasting of variables
172 * ctsimtext-lam: Changes for first version to compile under lam
175 3.0.0alpha5 - Released 1/12/00
177 * ctsim: Added EZPlotDialog, used by debugging plots in
180 * ctsimtext: Fixed bugs for MSVC and with empty input lines. Fixed
181 bug in parsing command-line parameters.
183 * views.cpp: Fixed bug in copying of labels from images to
186 * syserror.cpp: fixed reporting for fatal errors
188 * projections.cpp: fixed MSVC failure with std:: namespace
190 * procsignal.cpp: fixed bug in equiangular reconstructions
191 for frequency/inverse-fourier filtering
193 3.0.0alpha4 - Released 1/09/01
195 * ctsim: Added reset to full-intensity scale menu item
197 * ctsim: Add conversion of projections to polar plot [Thanks to
198 Ian Kay for reference and math hints in polar bilinear scaling]
200 * ctsim: improve bilinear scaling of image size [Thanks to Ian Kay
203 * ctsim: imagefile labels are now copied to plotfiles
205 * ctsim: Added more analyze menuitems
207 * ctsimtext: First version. All command-line tools are now accessed
208 through this master shell. Has both command-line and interactive
211 * ctsim: Fixed initialization of min/max bug for PlotFiles
213 * ezplot: Cleaned up y-tick label placement
215 * sgp: Added better support for projection/reconstruction animation
217 3.0.0alpha3 - Released 1/02/01
219 * ctsim: Added plotting of histograms
221 * imagefile.cpp: fixed bug in generation of 16-bit PNG images
223 * ezplot.cpp: adjusted xtick label displays for better placement
225 3.0alpha2 - Released 1/02/01
227 * ctsim: All functions of command-line tools are now in graphical ctsim
229 * ctsim: added generation of filter images
231 * ctsim: Added 2-image math functions (mul, add, div, sub)
233 * ctsim: Added export of imagefiles to graphic file formats
235 * ctsim: Added support for scaling imagefiles in new sizes
237 * ctsim: Added ability to save standard phantom definitions as
238 text files suitable for reading.
240 * ctsim: Add labels for image transformations and display of labels
241 when performing properties of images.
243 * processsignal.cpp: Fixed "off by one" bug in
244 shuffleNaturalToFourierOrder when n is even. Moved functions to
247 * imagefile.cpp: Added FFTW library to imagefile processing. Converted
248 image math functions to complex-valued math.
250 * phantom.cpp: Added ability to save phantom files as ASCII text.
252 3.0alpha1 - Released 12/29/00
254 * Added PlotFile class to system, used by if2 and ctsim for row
255 and column plots and comparison plots
257 * ctsim: Added image comparison statistics and image subtraction
259 * ctsim: Added plotting of rows & columns with y-axis scaling
261 * ctsim: Added row and column plot comparisons between two image
264 * ctsim: Added "Process" menu to image file display with math
265 functions. Added 2-dimensional inverse Fourier to math
266 functions. Added support for complex (real/imaginary) images.
268 * mathfuncs.cpp: Reworked statistics algorithm to share between
269 imagefile and plotfile classes.
271 * imagefile.cpp: Fixed scaling bug when rasterizing Phantom with
272 nsamples > 2. Added generic mage math functions, moved from
273 if1.cpp and if2.cpp to imagefile.cpp. Added support complex
276 * array2dfile.cpp: Added code to support complex (real/imaginary)
279 * if1: Updated to handle error conditions, such as sqrt of a
280 negative number. Converted to use new ImageFile math functions.
282 * if2: Updated to output plot files and use new ImageFile class
285 * if1: Updated to use new ImageFile class math functions
287 * ezplot: Reworked to better store colors/linestyles/symbols with
288 individual curves. Improved display of labels and ticks. Updated
289 to use POL class member variable. Updated to more C++ conventions.
291 * pol: converted to C++ class. Extracted HashTable to separate
294 * sgp: Added linestyle settings
297 First Microsoft Windows GUI version
298 Modifications for Microsoft Visual C++ compilation.
299 Improved pjinfo to output binary headers and view data, useful
300 when manually compiling phantoms that vary during projection
301 process. Thanks to Ian Kay for idea and code submission.
302 Improved sorting to find median in ImageFile::statistics
303 Fixed core-dump bug in Array2dFile::labelsCopy() function (Ian Kay)
304 Changed reconstruction dialog to fix onto smaller screens
305 Fixed display of plotting in Projection views
306 Improved animation displays for Projections and Reconstructions
307 Changed code to explicitly use std:: namespace rather than
308 "namespace using std" statements
309 Fixed reconstruction scaling bug introduced in 2.0.6
310 Renamed if2img to ifexport, if-1 to if1, if-2 to if2
313 Fixed minor compilation problem with procsignal.h
315 Fixed bug when simulating projections and Trace == CONSOLE
316 Fixed scaling bug when performing redundant rotations around object
319 Improved compilation on RedHat 7
320 Changed some of ANSI C header files to C++ header files
321 Removed README.RedHat7
324 Added documentation for --geometry setting
325 Added README.RedHat7 document
328 Fixed bug in generation of binary PGM files
329 Fixed MPI compilation bug in phm2pj.cpp
330 Inverted y-axis output for pj2if (bug alert from Ian Kay)
333 Additions to man pages (Ian Kay)
334 Fix problem with reading of ASCII phantom files (Ian Kay)
337 Fixed syntax error in fftw configuration
338 Slight modifications to support gcc v2.9.6
341 Version 2.0.0 released!
342 ctsim: Added Window menu to Main frame
343 ctsim: Disabled not support reconstruction method
344 Fixed obscure bug in sys_error
345 Fixed compilation in mingw environment not present
346 Fixed compilation in non-graphical environments
349 ctsim: Added animation of reconstruction
350 ctsim: Added saving of dialog parameters for Projection & Reconstruction
351 ctsim: Added progress dialog for rasterization of phantom
352 ctsim: used setpriority to set lower priority
353 ctsim: fixed pReconstruct not being deleted causing scaling problem
354 ctsim: fixed projection animation dialog buttons
357 ctsim: Added projection graph to animation of projection collection
358 ctsim: Added single stepping to projection collection animation
359 ctsim: improved File/Properties display for projection files
360 ctsim: Added progress dialog for reconstructions
361 ctsim: Added file labels for projection and reconstruction images
362 ctsim: Made File/Properties bring up modal dialogs
363 Added reconstruction for Equilinear and Equiangular geometries
364 Changed theta to be -PI/2 to make compliant with Kak-Slaney formulas
365 Separated reconstruction into Reconstructor class
366 Fixed center of detector adjustment for even number of detectors
367 Added --enable-static to generate statically linked programs
370 ctsim: Added animation of projection collection processs
371 ctsim: Added Auto Scaling for image windows
372 ctsim: Change menus from "windowing" to "display scaling"
373 Added FieldOfView and FocalLength ratio parameters to projection collection
374 Added FocalLength & FieldOfView fields to projection data files
375 Added Projection collection for Equilinear and Equiangular geometries
376 Changed name of Rowland Phantom to correct name of Shepp-Logan
377 Fixed bug in backprojection selection
380 Added RCS Id strings to executable files
381 Added RPM Spec file for RPM package creation
382 Added loading of ASCII phanthom definitions from files
383 Fixed compilation for non-SGP architectures
384 Decomposed SignalFilter class into ProcessSignal and SignalFilter classes
385 Added Filter-Generation option to reconstruction to allow direct or
386 inverse_fourier construction of filters
387 Added median to statistics and to auto-windowing
390 Added line color support to SGP
394 Finished support for dmallocxx library
395 Fixed bug in SignalFilter::convertFilterMethodNameToID()
396 Rewrote SGP & EZPlot to use C++ object-oriented. SGP can now write to
397 G2 windows and well as WXWindows.
398 ctsim program: "Create Phantom" now shows phantom object
399 Fixed row-plot bug in if-2
400 Reworked EZPlot's multiple plot operation
403 ctsim program: improved initial size and scroll area for image
405 ctsim program: added rasterization parameters, projections parameters,
406 and reconstruction parameters dialogs
407 Moved char[] static definition from header files to c++ files
408 Completely reorganized option processing in classes to improve
409 expandability and to assist ctsim graphical user interface.
412 ctsim program: Added dialog to set minimum/maximum display levels
413 Started ctsim.tex document file
416 Fixed compiler warnings at -Wall level
417 Began work on CTSim program to be graphical front-end of all functions
418 Moved current src/*.cpp to tools/*.cpp
419 Made CTSim graphical front-end's home to be src/
422 Added highly optimized backprojection method idiff3
423 Moved comparative stats to if-2 program from ifinfo
424 Fixed image display in if2img using G2 library
425 Added column-plot and row-plot options to if-2
426 Added autoselection of analytic/calculated spatial responses to SignalFilter
427 Added frequency-based preinterpolation to SignalFilter and idiff3
428 backprojection method. Currently, this technique is still under
429 development and debugging
430 Moved graphic file writing to ImageFile class from if2img program
433 Cleaned up SignalFilter class
434 Added zeropad option to pjrec
435 Added zeropad options to html and cgi files
436 Added fourier_table and rfttw filter methods
437 Added FFTW routines to use real/half-complex transformations
440 Updated trace level processing
441 Added trace level to SignalFilter
442 Fixed magnitude vs. real output bug in FFT/Fourier filter
445 Fixed const issue with ImageFileArray
446 Fixed Array2dFile::labelsCopy()
447 Added copy constructor and assignment for Array2dFileLabel class
448 Added Timer to if-2.cpp and ifinfo.cpp
449 Added beginning of frequency-based (DFT & FFT) filter to SignalFilter
450 Added option processing for filter-method for pjrec to choose
451 between convolution, dft, & fft filtering
452 Fixed format string for EZPlot so axis labels now print
453 Added support for FFTW library
456 Rewrote Array2dFile class to be non-templated
457 Rewrote Array2dFile class to make reads and writes atomic. No disk files are kept open.
458 Rewrote Array2dFileLabel class to make members private, added access routines
459 Removed timedate.cpp in favor of standard C library time/date functions
460 Renamed ctrec to pjrec, sample-ctrec.sh to sample-ctsim
461 Added signature tag and creation date/time to projection files
464 Standardized string option processing by classes. All classes use character strings
465 to select options rather than numeric constants. Added fail() and failMessage()
466 methods to verify that objects are created correctly by character strings.
467 Hid C++ assignment and copy constructors in classes that should not have assignment/copy
468 Rewrote ImageFile class
469 Started support for dmallocxx library, not finished
470 Added G.T. Herman image comparision statistics to ifinfo (see imagefile.cpp)
471 Updated ifinfo to show comparative statistics
472 Added printLabels() to Array2dFile class
473 Added printStatistics() to ImageFile class
476 Moved conversion filter name/id to Filter class
477 Moved conversion backprojection name/id to Backproj class
478 Added MPI broadcasting of strings
481 Merged proj_reconstr into class Projections
482 Used auto_ptr in Projections::reconstruct to make sure destructor is always called
483 Code cleanup in projections.cpp
484 Moved conversion of phantom names/id to Phantom class
487 Converted projection files to C++ library with frnetorderstream
488 Converted image files to C++ library with frnetorderstream
489 Converted filter and convolution to object-oriented code
490 Changed default image file to float from double -- Changable in imagefile.h
491 Optimized image file writing on little-endian architectures
492 Updated README and INSTALL
495 Reorganized source files
496 MPI bug fixed to phm2pj.cpp
499 Reorganized include files
500 Fixed const pointers in strfuncs
503 Renamed directories, moved source files, combined source files
504 to change from 6 libraries to 3 libraries (libctsim, libctsupport,
508 Skip versions to make version 2.0 the first fully C++ version
509 Renamed Raysums to Projections throughout files
510 Renamed Detector to Scanner
511 Converted Scanner and Projecions to full object-oriented
514 Converted Phantom and PhantomElements to Object-Oriented
515 Converted Detector to Object-Oriented
518 Improved Integer backprojection method
519 Fixed nearest neighbor to be truly nearest neighbor
520 Made linear interpolation more integer arithmetic -> speed improvement
521 Finished converting all C files to C++
522 Converted all use of malloc/free to C++ new/delete
523 Began object-oriented conversion of Phantom and Projection structures
526 Converted MPI data structures to C++ object
527 Made ImageFile directly inherit from Array2dFile
530 First C++ conversions
531 Portable IF (image file) format implemented with objects (SDF removed)
532 - Now all data files are cross-platform compatible
533 Converted from MPI to MPI++
534 Converted backprojection to object-oriented
535 Removed MTX from libkmath as no longer need -- replaced with C++ matrices
538 Simpilifed endian handling
541 Added support for 64-bit (IA64) CPU
542 Removed broken B-spline interpolation
543 Added support for cygwin platform under Windows 2000
544 Added support for 16-bit PNG graphics
547 Added compile-time configuration of endian order
550 Modified the raysum file format to be platform independent
553 Added Microsoft VC compatibility
554 Cleaned up compilation warnings in libgraph
557 Continued conversion to ANSI C
558 Removed old CRT routines
561 Renamed pictures to phantoms, objects to phantom elements
562 Continued code cleanup
565 More code cleanup with reorganizing libraries
566 Added --log and --exp to sdf-1
567 Allowed negative numbers for window levels in CGI interface
570 Continued code cleanup
574 Better documented, coded raysum in-memory on on-disk options
577 Cleaned out library that wasn't being used by CTSim
578 Modified ctsim.cgi to read in configuration file ctsim.conf
581 First open source distribution for GNU/Linux
584 Converted to GNU/Linux
585 added MPI support via LAM library
588 Developed under MS-DOS and IBM EGA graphics