message: frontend: Add notes about why we're doing weird math in the gauge graph.
diff: @@ -56,8 +56,11 @@ export class Gauge extends BaseGraph {
  const { thresholds } = this.props;
  + // Set up correct portions for the ok/warn/error sections surrounding the gauge value.
  + // First element is clear and takes up 1/3rd of the pie
  const ringValues = [50, thresholds.warn, (thresholds.error - thresholds.warn), 100 - thresholds.error];
  if (props.invert) {
  + // Inverted graph (100% === good). Reverse order of ok/warn/error.
  ringValues[1] = 100 - thresholds.error;
  ringValues[3] = thresholds.warn;
  }
  