4.7.1. Reserved Property Names
[4.7. Properties]

Some property names are reserved for specific meanings. This is to ensure conformity for commonly used properties. The reserved names and their meanings are given in Table 2.

Table 2 Reserved Attribute Names and Descriptions

Ids integer

Ids belonging to an entity (nodes, elements, etc.)

Material integer

Material properties for a list of elements, or cells

Activity bit(on/off)

Whether an element, cell is part of computation