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Creates a NodeStateMapper object; an object used to map each node of a MeshModelInterface to a single floating-point state value. The StateMapper allows the user to specify a single state, from which a value will be extracted for each node. Integer states are automatically converted to doubles and Vector states can be controlled through the use of the "Vector mapping" input.

Default label: "Node state mapper builder"
Member of plug-in: Mesh
Catalogue path: Mesh

Inputs:
State name	QString
Vector mapping	CSIRO::Mesh::VectorMapping	For Vector states, this input controls how the vector state is converted to a floating-point value for each node.
Outputs:
Node mapper	CSIRO::Mesh::NodeStateMapper	A NodeMapper that can be used to map each node of a MeshModel to a double.