attributes.height = height + "pt";
        datum.attributes.viewBox = -x + " " + -y + " " + width + " " + height;
    }
}

function render() {
    var dotLines = dots[dotIndex % dots.length];
    var dot = dotLines.join('');
    graphviz
//        .tweenPaths(false)
        .tweenShapes(false)
        .dot(dot)
        .attributer(attributer)
        .render()
        .on('end', function () {
            if (dotIndex != dots.length) {
                render();
            }
        });
    dotIndex += 1;
}
