text: /**
   * Allows a stack of renderers to be treated as a single renderer.
   * @author Gheric Speiginer
   */
  
  THREE.MultiRenderer = function ( parameters ) {
  
    console.log( 'THREE.MultiRenderer', THREE.REVISION )
  
    this.domElement = document.createElement( 'div' )
    this.domElement.style.position = 'relative'
  
    this.renderers = []
    this._renderSizeSet = false
  
    var rendererClasses = parameters.renderers || []
    var rendererParameters = parameters.parameters || []
  
    // elements are stacked back-to-front
    for ( var i = 0; i < rendererClasses.length; i++ ) {
      var renderer = new rendererClasses[i]( rendererParameters[i] )
      renderer.domElement.style.position = 'absolute'
      renderer.domElement.style.top = '0px'
      renderer.domElement.style.left = '0px'
      this.domElement.appendChild( renderer.domElement )
      this.renderers.push( renderer )
    }
  
  }
  
  THREE.MultiRenderer.prototype.setSize = function( w, h ) {
  
    this.domElement.style.width = w + 'px'
    this.domElement.style.height = h + 'px'
  
    for ( var i = 0; i < this.renderers.length; i++ ) {
      var renderer = this.renderers[i]
      var el = renderer.domElement
  
      if ( !this._renderSizeSet || ( el && el.tagName !== 'CANVAS' ) ) {
        renderer.setSize( w, h )
      }
  
      el.style.width = w + 'px'
      el.style.height = h + 'px'
    }
  
  }
  
  THREE.MultiRenderer.prototype.setRenderSize = function( rw, rh ) {
  
    this._renderSizeSet = true
  
    for ( var i = 0; i < this.renderers.length; i++ ) {
      var renderer = this.renderers[i]
      var el = renderer.domElement
  
      if ( el && el.tagName === 'CANVAS' ) {
        renderer.setSize( rw, rh, false )
      }
    }
  
  }
  
  THREE.MultiRenderer.prototype.render = function( scene, camera ) {
  
    for ( var i = 0; i < this.renderers.length; i++ ) {
      this.renderers[i].render( scene, camera )
    }
  
  }
  