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

