code: function(adj, canvas, animating) {
        var f = adj.getData('type'),
            ctxObj = this.edge.CanvasStyles;
        if(f != 'none') {
          var width = adj.getData('lineWidth'),
              color = adj.getData('color'),
              ctx = canvas.getCtx();
          
          ctx.lineWidth = width;
          ctx.fillStyle = ctx.strokeStyle = color;
          
          for(var s in ctxObj) {
            ctx[s] = adj.getCanvasStyle(s);
          }
  
          this.edgeTypes[f].call(this, adj, canvas, animating);
        }
      }
docs: /*
  Method: plotLine
  
  Plots a <Graph.Adjacence>.
  
  Parameters:
  
  adj - (object) A <Graph.Adjacence>.
  canvas - (object) A <Canvas> instance.