text: /**
   * @author mrdoob / http://mrdoob.com/
   */
  
  THREE.VTKLoader = function () {};
  
  THREE.VTKLoader.prototype = {
  
  	constructor: THREE.VTKLoader,
  
  	load: function ( url, callback ) {
  
  		var scope = this;
  		var request = new XMLHttpRequest();
  
  		request.addEventListener( 'load', function ( event ) {
  
  			var geometry = scope.parse( event.target.responseText );
  
  			scope.dispatchEvent( { type: 'load', content: geometry } );
  
  			if ( callback ) callback( geometry );
  
  		}, false );
  
  		request.addEventListener( 'progress', function ( event ) {
  
  			scope.dispatchEvent( { type: 'progress', loaded: event.loaded, total: event.total } );
  
  		}, false );
  
  		request.addEventListener( 'error', function () {
  
  			scope.dispatchEvent( { type: 'error', message: 'Couldn\'t load URL [' + url + ']' } );
  
  		}, false );
  
  		request.open( 'GET', url, true );
  		request.send( null );
  
  	},
  
  	parse: function ( data ) {
  
  		var geometry = new THREE.Geometry();
  
  		function vertex( x, y, z ) {
  
  			geometry.vertices.push( new THREE.Vector3( x, y, z ) );
  
  		}
  
  		function face3( a, b, c ) {
  
  			geometry.faces.push( new THREE.Face3( a, b, c ) );
  
  		}
  
  		function face4( a, b, c, d ) {
  
  			geometry.faces.push( new THREE.Face4( a, b, c, d ) );
  
  		}
  
  		var pattern, result;
  
  		// float float float
  
  		pattern = /([\+|\-]?[\d]+[\.][\d|\-|e]+)[ ]+([\+|\-]?[\d]+[\.][\d|\-|e]+)[ ]+([\+|\-]?[\d]+[\.][\d|\-|e]+)/g;
  
  		while ( ( result = pattern.exec( data ) ) != null ) {
  
  			// ["1.0 2.0 3.0", "1.0", "2.0", "3.0"]
  
  			vertex( parseFloat( result[ 1 ] ), parseFloat( result[ 2 ] ), parseFloat( result[ 3 ] ) );
  
  		}
  
  		// 3 int int int
  
  		pattern = /3[ ]+([\d]+)[ ]+([\d]+)[ ]+([\d]+)/g;
  
  		while ( ( result = pattern.exec( data ) ) != null ) {
  
  			// ["3 1 2 3", "1", "2", "3"]
  
  			face3( parseInt( result[ 1 ] ), parseInt( result[ 2 ] ), parseInt( result[ 3 ] ) );
  
  		}
  
  		// 4 int int int int
  
  		pattern = /4[ ]+([\d]+)[ ]+([\d]+)[ ]+([\d]+)[ ]+([\d]+)/g;
  
  		while ( ( result = pattern.exec( data ) ) != null ) {
  
  			// ["4 1 2 3 4", "1", "2", "3", "4"]
  
  			face4( parseInt( result[ 1 ] ), parseInt( result[ 2 ] ), parseInt( result[ 3 ] ), parseInt( result[ 4 ] ) );
  
  		}
  
  		geometry.computeCentroids();
  		geometry.computeFaceNormals();
  		geometry.computeVertexNormals();
  		geometry.computeBoundingSphere();
  
  		return geometry;
  
  	}
  
  };
  
  THREE.EventDispatcher.prototype.apply( THREE.VTKLoader.prototype );
  