Surface Cross Fields

Surface cross fields can be treated as a global section of the cross bundle over the surface, the singularities are the topological obstruction class of the bundle. The red, blue and green circles indicate the singularities of valence 3, 5 and 6 respectively.

Genus One closed surface

Highh Genus closed surface

If you need higher resolution images, please contact David Gu at gu AT cs DOT sunysb DOT edu .