Description

A topoSetFaceSource to select cells belonging to a topologically connected region (that contains given points).

Operands

Operand	Type	Location
input	region	`$FOAM_CASE/constant/{<region>, polyMesh}`
output	faceSet	`$FOAM_CASE/constant/polyMesh/sets/<set>`

Description

Example of the regionToFace topoSet by using actions sub-dictionary in system/topoSetDict file:

{
    // Mandatory (inherited) entries
    name        <name>;
    type        faceSet;
    action      <action>;

    // Mandatory entries
    source      regionToFace;
    set         <faceSetName>;
    nearPoint   <point>;
}

where the entries mean:

Property	Description	Type	Required	Default
name	Name of faceSet	word	yes	-
type	Type name: faceSet	word	yes	-
action	Action applied on faces - see below	word	yes	-
source	Source name: regionToFace	word	yes	-
set	Name of faceSet restricting search	word	yes	-
nearPoint	The point on/near to the region	vector	yes	-

Options for the action entry:

new      | Create a new faceSet from selected faces
add      | Add selected faces into this faceSet
subtract | Remove selected faces from this faceSet