| compact (filter) |
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compact (filter) — A constraint on compactness
| Content Model | |
compact ::= | |
| Attributes | |
| Name | Type |
value | CDATA (required) |
A compact (filter) element represents a constraint on the
compactness of a normal surface. A compact surface is one containing
finitely many normal discs.
The following elements contain compact (in the
context of a constraint on surface properties):
filter (properties).
valueContains 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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