plugins/routers/joint.routers.manhattan.js
function() {

            var step = this.step;

            return {
                x: -step,
                y: -step,
                width: 2 * step,
                height: 2 * step
            };
        }
function() {

            var step = this.step;

            return {
                x: -step,
                y: -step,
                width: 2 * step,
                height: 2 * step
            };
        }
function ( ) { var step = this . step ; return { x : - step , y : - step , width : 2 * step , height : 2 * step } ; }
padding applied on the element bounding boxes
padding applied on the element bounding boxes