[vtkusers] Announce: vtk 7.0.0 release candidate 1 is ready

[Michael Redmond]

I reported a bug issue id 0015892.  It's a bug for opengl2.  Extra cells
are shown in 2nd/3rd renderer layers.  I've seen the bug in 6.3 and
7.0rc1.  I've checked with the official 64 bit python release and my own
6.3 builds.
On Dec 17, 2015 2:39 PM, "David E DeMarle" <dave.demarle at kitware.com> wrote:

> The VTK developement team is happy to announce that VTK 7.0 has entered
> the release candidate stage!
>
> You can find the source, data, and vtkpython binary packages here:
>
> http://www.vtk.org/download/#candidate
>
> Please try this version of VTK and report any issues to the list or the
> bug tracker so that we can try to address them before VTK 7.0.0 final.
>
> The official release notes will be available when VTK final is released
> in the next few weeks. In the meantime here is a preview:
>
> The big news is that the OpenGL"new" backend is now the default and that
> VTK is for the first time compatible with Python 3.
>
> Other new functionality includes:
> - the introduction of the Flying Edges SMP optimized (very fast)
> isocontour filter
> - a new and improved vtkPUnstructuredGridGhostCells filter that
> efficiently creates ghost cells in DMP parallel contexts.
> - allow the Python Global Interpreter Lock (GIL) for multithreaded Python
> routines
> - offscreen rendering through EGL now supported
> - remove vtkFreeTypeUtilities
>
> Improvements to existing functionality includes:
> - optimizations to the Contingency Statistics class which provides a
> significant performance boost when using only integer or floating point
> data
> - improved MPAS file handling including including arbitrary vertical
> dimensions and more general attribute reading
> - modernize depth sorting code. In tests the improved depth sort is 2 to
> 3x faster than before.
> - fixes to the ExodusWriter, especially when handling side sets and node set
> data.
> - updates to the PLY Writer
>
> Some of the changes that affect building and using VTK in applications
> include:
> - the OpenGL2 backend requires newer rendering capabilities than its
> predecessor
> - QtWebKit is no longer part of the Qt build group and thus easier to do
> without
> - vtkStreamer and related classes are deprecated; use vtkStreamTracer
> instead.
> - a new option (when building with newer CMake) to build with C++11 support
> - add support for Visual Studio 2015
> - Java 1.6 is now the minimum version that is tested; 1.5 may not work
> - remove support for OSX10.5 Leopard and the Carbon (OSX9 compatibility
> layer) API
> - remove support for gcc 4.1
>
> And many bug fixes across the codebase.
>
> We hope you enjoy this release of VTK! As always, contact Kitware and
> the mailing lists for assistance.
>
> Thanks,
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
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