There are several problems related to the properties of the triangular mesh representation that describes a surface of an object. Sometimes, the surface is represented just as a set of triangles without any other information and the STL file

一个很实用的三维打印程序，MeshLab，3D triangular meshes (typical 3D scanning meshes).-MeshLab, a mesh processing system, for user assisted editing, cleaning, filtering and rendering of large unstructured 3D triangular meshes (typical 3D scanning meshes). The syste