Release dev09202020

Development build, September 20, 2020

v0.9.8.9

• Progressive Wasserstein Barycenters of Persistence Diagrams (IEEE VIS 2019)
• Fast Wasserstein distance between Persistence Diagrams (auction+kd-tree)
• Support for periodic grids
• Improved dimension reduction (support for distance matrices)
• Extended Cinema support (compression, improved SQL support)
• VTK/Python API with conda-forge packaging
• Updated examples
• Fixes

v0.9.8

• Updates for ParaView-5.6.1
• ContourAroundPoint (EnvirVis 2019 paper)
• Task-based Parallel Reeb Graphs with Dynamic ST-Trees (EGPGV 2019 paper)
• Nested Tracking Graphs (EuroVis 2017 paper)
• Morse-Smale quadrangulation (SIGGRAPH 2006 paper)
• Harmonic scalar field design (SMI 2009 paper)
• Eigen functions of the Laplace-Beltrami operator (cotan weights)
• Eigen and spectra support
• Barycentric subdivision
• Updated python examples
• Docker support
• Planar graph layout module
• Improved tracking from overlap (modular, templated, streaming support)
• New identifier sorter (for example to select the N most persistent features)
• Memory footprint improvement for the discrete gradient
• New unified plugin library
• Improved memory
• Bug fixes
• Clang-formatting

v0.9.7

• Updates for ParaView-5.6.0
• Tracking from overlap
• TTK pipeline filters (ForEachRow)
• Depth image based geometry approximation (IEEE LDAV 2018 paper)
• Advanced cinema+sqlite3 support
• Lifted Wasserstein Matcher for Topology Time-Tracking (IEEE LDAV 2018 paper)
• Dimension reduction for high dimensional data (scikit-learn integration)
• Automatic guesses for ttk generated fields
• Improved type consistency
• Improved ParaView GUIs
• DataSet Interpolator (interpolate anything onto anything)
• Improved triangulation request
• Bug fixes

v0.9.6

• Fixed major performance bug with discrete gradient (thanks to Attila Gyulassy)
• TDA aware compression (with ZLIB and ZFP support)
• New addressing scheme (allowing up to 64 bit ids), for extreme size datasets
• Automatic offset selection
• Updates for ParaView-5.5.2
• Various bug fixes
• Improved examples
• Basic windows continuous integration support
• 1000th commit!

v0.9.5

• Updates for ParaView-5.5.0
• Bug fixes
• Removed global namespace usage in headers
• Fixes for gcc 4
• Fixes for clang
• Improved triangulation consistency in 2D and 1D
• Improved consistency in morse-smale complex computation
• Manifold check module
• Point merger
• Minimalist OBJ writer
• Support for double and single precision for point coordinates

v0.9.4

Second batch of external contributions.
TTK is now supported on Windows! (thanks to Caboma Inc)

ChangeLog:

• Windows support
• OFF reader/writer
• Field selector
• Bug fixes

v0.9.3

First external contributions!

Impressive ChangeLog:

• Updates for ParaView-5.4.1
• New cmake structure, find_package(TTKBase) find_package(TTKVTK) now available
• New simple python, vtk-c++ and plain c++ examples (TTK companion paper teaser)
• Greatly accelerated merge tree features using task-based Fibonacci heaps
• Bottleneck and Wasserstein distances between peristence diagrams
• Lp distance between scalar fields
• boundary mask on scalar field critical points
• optional 3D embedding of the persistence diagram
• optional mask array for constrained smoothing
• bug fixes in DiscreteGradient
• bug fixes in TopologicalSimplification
• code cleaning

v0.9.2: Merge pull request #25 from julien-tierny/master

• Updates for ParaView-5.4.0
• New naming convention for vtkWrappers (name conflicts under MacOs)
• TriangulationRequest module (to locally inspect triangulations in ParaView)
• improved time efficiency for link queries on implicit triangulations
• constructors fixes for VTK wrappers
• removed legacy CMake options
• minor bug fixes