Name

compact (filter) — A constraint on compactness

Synopsis

Content Model
compact ::=
Attributes
NameType
valueCDATA (required)

Description

A compact (filter) element represents a constraint on the compactness of a normal surface. A compact surface is one containing finitely many normal discs.

Parents

The following elements contain compact (in the context of a constraint on surface properties): filter (properties).

Children

Element compact (in the context of a constraint on surface properties) has no children.

Attributes

value

Contains the specific constraint upon the compactness of a surface. The following values are allowed.

  • TF signifies that the surface may be either compact or non-compact, i.e., no constraint is imposed.

  • T- signifies that the surface must be compact.

  • -F signifies that the surface must be non-compact.

  • -- signifies that the surface must be neither compact nor non-compact, i.e., no surfaces are accepted.