Persistence Atlas for Critical Point Variability in Ensembles

no code implementations • 30 Jul 2018 • Guillaume Favelier, Noura Faraj, Brian Summa, Julien Tierny

We show how to leverage spectral embedding to represent the ensemble members as points in a low-dimensional Euclidean space, where distances between points measure the dissimilarities between critical point layouts and where statistical tasks, such as clustering, can be easily carried out.

Clustering

Topological Data Analysis Made Easy with the Topology ToolKit

no code implementations • 21 Jun 2018 • Guillaume Favelier, Charles Gueunet, Attila Gyulassy, Julien Kitware, Joshua Levine, Jonas Lukasczyk, Daisuke Sakurai, Maxime Soler, Julien Tierny, Will Usher, Qi Wu

This tutorial presents topological methods for the analysis and visualization of scientific data from a user's perspective, with the Topology ToolKit (TTK), a recently released open-source library for topological data analysis.

Topological Data Analysis

The Topology ToolKit

no code implementations • 22 May 2018 • Julien Tierny, Guillaume Favelier, Joshua A. Levine, Charles Gueunet, Michael Michaux

This system paper presents the Topology ToolKit (TTK), a software platform designed for topological data analysis in scientific visualization.

Topological Data Analysis