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 .