Description

A topoSetCellSource to select cells based on volScalarField values, i.e. select cells with given field value of >= min and <= max.

Operands

Operand	Type	Location
input	volScalarField	`$FOAM_CASE/<time>/<inpField>`
output	cellSet	`$FOAM_CASE/constant/polyMesh/sets/<set>`

Description

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

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

    // Mandatory entries
    source      fieldToCell;
    field       <fieldName>;
    min         <minFieldValue>;
    max         <maxFieldValue>;
}

where the entries mean:

Property	Description	Type	Required	Default
name	Name of cellSet	word	yes	-
type	Type name: cellSet	word	yes	-
action	Action applied on cells - see below	word	yes	-
source	Source name: fieldToCell	word	yes	-
field	Name of volScalarField to use	word	yes	-
min	The min value for the subset	scalar	yes	-
max	The max value for the subset	scalar	yes	-

Options for the action entry:

new      | Create a new cellSet from selected cells
add      | Add selected cells into this cellSet
subtract | Remove selected cells from this cellSet