# getSrfName()

Return the name of a surface specified by its ID.

## Usage

srfName = vis.getSrfName( srfId )

srfId (integer)
Surface ID.

## Return Value

srfName (string)
Surface name corresponding to the surface ID.

## Errors

srfId should be valid.

## Description

This routine returns the name of a surface specified by its ID which is given by srfId. For example,
srfName = vis.getSrfName( 1 )