TTK
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#include <LocalizedTopologicalSimplification.h>
This module provides functions to compute a localized topological simplification of a scalar array. This algorithm is an order of magnitude faster than the default simplification procedure as LTS utlizes shared-memory parallelism, and constraints computationally expensive procedures onto the subsets of the domain that actually need to be simplified.
Related publication:
'Localized Topological Simplification of Scalar Data' Jonas Lukasczyk, Christoph Garth, Ross Maciejewski and Julien Tierny. IEEE Transactions on Visualization and Computer Graphics. 2020.