Mesh generation

set of edges, vertices, and polygons which define a 3D model's shape

Computer graphics algorithm

tessellation of n-dimensional Euclidean space by congruent parallelotopes

dividing a geometric space into discrete cells

polygon mesh composed of triangles

division of polygons for rendering

surface in Euclidean space described by an equation

unstructured (or irregular) grid is a tessellation of a part of the Euclidean plane