rd3-08-pie.js

renderSlice(value, i) {
  let {innerRadius, outerRadius, cornerRadius, padAngle} = this.props;
  return (
    <Slice key={i}
           innerRadius={innerRadius}
           outerRadius={outerRadius}
           cornerRadius={cornerRadius}
           padAngle={padAngle}
           value={value}
           label={value.data}
           fill={this.colorScale(i)} />
  );
}