Directional - A Directional-Field Processing Library Directional is a C++ library for creating, manipulating, and visualizing directional fields on 3D meshes. See website for more details. Directional won the SGP 2021 software award! To cite Directional, use the following DOIs: Release 3.0.0 Release 2.0.0 Release 1.8.0 Release 1.7.0: Release 1.6.0: Release 1.5.1: