   min: 0.5,
                        max: 1.5
                    },
                    emphasis: {
                    focus: 'adjacency'
                    },
                    data: [
                    {
                        name: 'a'
                    },
                    {
                        name: 'b'
                    },
                    {
                        name: 'a1'
                    },
                    {
                        name: 'a2'
                    },
   