Introduction

The currently supported file formats are:

Neutral file: A file format designed with the purpose of containing all the information needed for finite element pre, post and analysis programs.
File type: "nf"

Medit: A file format used by the homonimous mesh visualization program.
File type: "medit"

OFF: A simple file format for storing mesh geometry definitions composed by a list of vertices and a list of faces.
File type: "off"

Supported features

Feature	nf	medit	off
Supported node dimension	2D and 3D	2D and 3D	2D and 3D
Supported element types	All except bars and hex27. Some interface elements are emulated through quad8, hex20 or wedge elements	bar2, tri3, quad4, tet4 and hex8	tri3, quad4
Supports node data?	Multiple	Multiple	No
Supports cell data?	Yes (through a 1 point Gauss rule)	Yes	No
Supports Gauss points data?	Yes	No	No
Supports vector data?	Yes	Yes	No
Supports tensor data?	Yes	Yes	No
Supports material indices?	Yes	Yes	No
Supports deformation data?	Yes (vector data must be splitted into 3 scalar components)	No	No
Accepts multiple data sets?	Yes	No (multiple files with the same name and a '.n' numeric suffix can be read together and animated)	No
Supports multiple meshes?	No	No (multiple files with the same name and a '.n' numeric suffix can be read together and animated)	No