compact (filter)


	compact (filter)

Name

compact (filter) — Replaced by attributes of filterprop

Synopsis

Content Model
compact ::=
Attributes
Name	Type
`value`	CDATA (required)

Deprecated since Regina 7.0

Description

This element was used in the past to represent a constraint on the compactness of a normal surface. Since Regina 7.0, this constraint is now stored in the attributes of the corresponding filterprop element instead.

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.

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