ChangeLog

2019-11-19 version 1.4.3  

2014-05-07 version 1.2-0
  - new functions to (locally) estimate scale parameter in non-central chi distribution
    awssigmc(), awslsigmc(), afsigmc(), aflsigmc() 

2013-11-26 version 1.1-7
  - Diffusion Kurtosis Imaging (DKI), new methods dkiTensor() and dkiIndices()
  - msPOAS implemented
  - new fibre tracking analysis tools

2013-03-22 version 1.1-4
  - corrections in openMP for MacOS X
  - extended models for tensor mixtures (new models with isotropic comartment)
    slight changes in parameters in dwiMixtensor, see documentation
  - changes in  show3d: description of subcubes by indexvectors
    xind, yind, zind instead of length's nx, ny, nz and centers

2012-12-11 version 1.1-1
  - sdpar() in interactive mode now resets old graphics parameters

2012-11-23 version 1.1-0

  This is a major release using parallized code (openMP or using package parallel where appropriate).
  Experimental code for Jian Chengs method for  non-negative definte EAP and ODF estimates
  (MICCAI 2012) has been added.
  - Several bugfixes (parallelization in dwiMixtensor, ODF estimation (Aganji)
  - Default in show3d habe been changed from odfscale=3 (constant volume) to odfscale=1
    (radial distances == ODF values)
  - further parallelization (openMP) and code optimization (avoiding multiple aperms on si)
  - optimization for Jian Chengs non-negative definte EAP and ODF estimates
  - Bugfix in ODF estimation (Aganji)

2012-09-12 version 1.0-7
  - package no longer depends on fmri, but oro.nifti for IO. 
  
2012-05-21

  -added function awssigmc for estimation of noise standard deviation (experimental).

2012-01-31 

  - added KL-distance for multicoil-systems in dwi.smooth 
  - dwi.smooth now has alternative discrepancies
  - added method getmask

2011-12-01 version 1.0-2

  - added dependency on R-2.14.0 and package parallel
  - new function pmatrix
  
2011-12-01 version 1.0-1

  - code polishing to avoid unnecessary loops in Fortran
  
2011-11-30 version 1.0-0

  - added method dwi.smooth: adaptive smoothing for DWI data 
  - additional parameters in dwiMixtensor for improved initial estimates 
  
2011-10-04 version 0.9-7.3

  - C-code for dwiMixtensor
  
2011-09-09 version 0.9-7.2

  - new method dwiRiceBias for Rice-Bias correction 
  
2011-07-28 version 0.9-7.1 

  -  bugfixes in method sdpar: produced empty interior volumes
     if applied to DWI-data consiting of only one slice 

2011-06-24 version 0.9-7

  - extract for dwiMixtensor objects failed on what="s0"

2011-10-24 version 0.9-6.3
  - fixed warnings in LawsonHansonnnls.f
    "Rank mismatch in argument 'c' at (1) (rank-1 and scalar)"
    for variable DUMMy in call H12
  - fixed warnings in mixtens.f (subroutine mpl0gn) for undeclared
    variable w
  - removed write() line in LawsonHansonnnls.f (CRAN NOTE)

2011-06-07 version 0.9-6.2

  - fix for depreciated argument gamma in hsv and rainbow (R 2.13)

2011-04-26 version 0.9-6

  - bugfix in Fortran code (regularisation to force tensors to be
       positive definite) in function dtiTensor 
  - removed platform dependencies when using the gsl-package

2011-03-24 version 0.9-5

  - added model with isotropic compartment for dwiMixtensor
  - bugfixes for analytical gradients in dwiMixtensor

2011-03-03 version 0.9-4

  - dwiQball now also works on Windows
  - new functions dwiMtImprove and dwiMtCombine for tensor mixture models
  - different strategie for initial estimates 

2010-10-05 version 0.9-3

  - improved initial estimates for tensor mixture models
  - extended demos (e.g. variable number of gradients)

2010-09-13 version 0.9-3

  - compactified storage of fibers
  - new method reduceFibers for dwiFiber-objects
  - bugfixes in initial estimates for mixTensor-models

2010-07-15 version 0.9-2.1
  - removed dependency on OMP
  - some changes in documentation

2010-07-08 version 0.9-2
  - method dwiMixtensor for tensor mixture models
  - coherent handling of orientation information
  - fiber tracking for tensor mixture models (experimental)
  - new demo mixtens_art for tensor mixture models

2010-04-07 version 0.9-1
  - alternative dwiMixtensor implementation using partial nonlinear models
  - bugfix in c++ code 
  - bug-fix in Makevars (missing newline)

2010-03-04 version 0.9-1
  - dwiMixtensor re-implemented in C to run faster

2010-01-28 version 0.9-0
  - changed class definition (removed roix,roiy,roiz   added roimask)
    new method  selectFibers  to select fibers with 
    minimal length  minlength
    crossing a region of interest given by roix, roiy, roiz or nroimask

2009-12-18 version 0.9-0
  - Muenster color scheme for FA maps (plot.dtiIndices) is method==6 now

2009-12-15 version 0.9-0
  - bugfix in dwiMixtensor(): use mfun3 for optim() case "Jian2"
  - new method tracking() for class "dwiMixtensor"
  - bugix in extract() for dwiMixtensor: now calculating what="andir" 

2009-12-11 version 0.9-0
  - introduce subsampling for fibre tracking, 
  - rename xind to roix in show3d() function, 
  - new rgl devices always with open3d() to have identical
    frame orientation

2009-07-28 version 0.9-0
  - added fiber tracking using line propagation algorithm including 
    rgl-visualization
  - bugfix for ADC SH coeff ADC -log(si/s0) not -log(si) (usually negative!!)

2009-04-15 version 0.8-0
  - much work done on visualization based on polyeders (faster)
  - included visualization of ODF and related (new class dtiqball)

2008-12-04 version 0.6-0
  - major update to include 3D visualization with rgl
  - included Rician bias correction
  - included non-linear regression tensor estimation
  - implemented print(), summary(), show(), extract() on all classes

2008-10-07 version 0.5-6
  - new function readDWIdata reads DWI data from directories with imaging files (DICOM,NIFTI,AFNI,ANALYZE)
  - documentation now consistent with S4-documentation

2008-01-21 version 0.4-0

  - plot() on dtiIndices has new argument view for axial, sagittal, coronal view