Unidata

5.1 User Defined Types Introduction

NetCDF-4 has added support for four different user defined data types.

compound type

Like a C struct, a compound type is a collection of types, including other user defined types, in one package.

variable length array type

The variable length array may be used to store ragged arrays.

opaque type

This type has only a size per element, and no other type information.

enum type

Like an enumeration in C, this type lets you assign text values to integer values, and store the integer values.

Users may construct user defined type with the various nf90_def_* functions described in this section. They may learn about user defined types by using the nf90_inq_ functions defined in this section.