This commit reindents the code with the following utility:
Utilities/Maintenance/vtk-reindent-code.py

This utility changes the positions of the braces so that they are no
longer indented relative to the code block they reside in.

The bash command line used was the following:

for d in Charts Common Deprecated Domains Examples Filters GUISupport \
         Geovis IO Imaging Infovis Interaction Parallel Rendering \
         Testing Views Web Wrapping; do
  for e in cxx cxx.in txx txx.in hxx hxx.in h h.in c c.in; do
    find "${d}" -name "*.${e}" -exec \
      python Utilities/Maintenance/vtk_reindent_code.py {} +
  done
done

generated via:
cd $VTKSRC
perl Utilities/Doxygen/doc_header2doxygen.pl --to ~/tmp/vtkheaders .
cp -r ~/tmp/vtkheaders/* .

move to entirely this style:
/**
 * something
*/
meanwhile, avoid tabs and end of line whitespace and cut down
on excessive doxygen groups resulting from multiline but
single item declarations

keep it around though, will be handy for other projects

fix problematic ccomments that trip up doxygen generator. Mostly
c style comments in class description but a few cases of comments
not in expected location that leads to stripped out code and comp fails

fix trailing whitespaces that will fail style check when committed

Thanks Andrew Maclean for updating the url to VTK publications.

6b3ae23c

 VTK Common classes now all use VTK_OVERRIDE

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1999

2afcadc7

 Point cloud integration issues

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2001

0b8c2a18

 Additional baseline for text label fixes.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2002

0ea52ccc

 fix an OpenGL2 issue impacting slicer and add test

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1995

3148b3a8

 Making DataSetCellIterators have proper point data type.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1997

f891d5d7

 Check for NaN when using a log scale with vtkLookupTable

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1998

3e454924 Add FXAA to vtkSynchronizedRenderers.
548990af Exclude vtkOpenGLRenderTimer from wrapping.
2570bf33 Add vtkOpenGLRenderTimer.
c3f96385 Add a vtkFXAAOptions class for storing FXAA config.
fc9878ef

 Add an FXAA implementation.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1963

f089989f

 fix an issue with release graphics resources

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1993

The NaN check was only done for the linear scale, the log scale missed
the check, and NaN would be displayed in the BelowRangeColor instead of
the NanColor.  For performance reasons, the NaN check is only performed
on floating-point values, not on integer values.

There were two issues impacting slicer. ImageMappers
were not honoring their DisplayLocation property value
and 2d mappers were setting zbufer values on 100%
transparent pixels.

Added a test from Max Smolens that tests for both of these
issues to prevent future regressions.

39b30715

 Move vtkPointCloud remote to Filters/Points

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: David E DeMarle <dave.demarle@kitware.com>
Merge-request: !1981

For accuracy the vtkDataSetCellIterator should have
the same floating point accuracy as the input data set. For
ImageData and HyperOctree it will be double since that is
their native data type for storing point locations. For
RectilinearGrid and HyperTreeGrid we do the best we can
but there are 3 arrays which store the point locations
for these grids so it's not always clear which one to use.
This was already done for the other data set cell iterators.

Added a number of filters for processing point clouds. The files
originally came from the vtkPointCloud remote module.

4dce74b8

 Additional baselines for text label fixes.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1994

If someone released graphics resources it sets the callback to
an empty Window but leaves the Context Set. If they then set the
the context back to the same context is was not setting the
new WindowId on the texture. Arguably Releasing graphcis resources
should set the Context to NULL but I am going with this fix as it
more closely matches the old behavior of leaving Context set.

31728f4e Baselines for text labels fixes.
9a3b037e BUG: lastPos = firstPos + size - 1.
87f9baa6 Shift quad position with one pixel to fix multiLineText test.
85812c7b Use NormalizedDisplay as for displaying the text.
06701a4d BUG: Use of double LineSpacing results in one pixel off errors.
64d9dd90 BUG: Ascent, descent are positions from the baseline.
350ff2a5 ENH: Add vtkTextProperty::UseTightBoundingBox to center a label to anchor.
9a0904d6

 BUG: n lines of text include (n-1) interline spaces.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1925

333cbec1

 Invert the effect of the scale factor

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Utkarsh Ayachit <utkarsh.ayachit@kitware.com>
Merge-request: !1990

73bd2e9b Added test baseline
8420585d [Volume] Added tests for per component light parameters
39f67ffa

 [Volume] Support per component light parameters

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1931

0cc86887

 Correct inconsistent-missing-override warnings in DataModel.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: David E DeMarle <dave.demarle@kitware.com>
Merge-request: !1950

The scale factor was applied in an inverted fashion. The
distance should be scaled and the ruler distance scaled by the
inverse scale factor.

8cd8f5fd

 Modify vtkHoudiniPolyDataWriter array dispatch to mirror vtkTemplateMacro.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Utkarsh Ayachit <utkarsh.ayachit@kitware.com>
Merge-request: !1959

merge of xdmf3 from running xdmf3 update script plus commit to resolve confict in xdmf3/vtkxdmf3/core/CMakeLists.txt file

merge of xdmf3 from running xdmf3 update script plus commit to resolve confict in xdmf3/vtkxdmf3/core/CMakeLists.txt file

See merge request !1988

d4440bca

 vtkPointAccumulator: remove unused file

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1989

283b0b26

 VTK_USE_GCC_VISIBILITY has been replaced with CXX_VISIBILITY_PRESET property

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1980

Code extracted from:

    git://xdmf.org/Xdmf.git

at commit fb210b8cc8061a7001f679f35e870416261237e5 (master).

It's not a vtkObject, so CS wrapping fails.

Uses GL_TIMESTAMP queries to provide asynch, nestable GPU timings.

This will simplify the API for vtkRenderer, vtkSynchronizedRenderer, etc.