diff --git a/config.go b/config.go
index bdf34ab..0e0906f 100644
--- a/config.go
+++ b/config.go
@@ -32,8 +32,8 @@ type Data struct {
 func newConfig() (Config, error) {
 	dataPoints := envOr("DATA_POINTS", `[[1, 1], [1, 2], [2, 1], [2, 1], [4, 3]]`)
 	dataLabels := envOr("DATA_LABELS", ``)
-	dataWeightFloor := envOr("DATA_WEIGHT_FLOOR", `12`)
 	dataWeightRange := envOr("DATA_WEIGHT_RANGE", `20`)
+	dataWeightFloor := envOr("DATA_WEIGHT_FLOOR", `12`)
 	dataTitle := envOr("DATA_TITLE", ``)
 	dataSubtitle := envOr("DATA_SUBTITLE", ``)
 	output := envOr("OUTPUT", `file:///tmp/f`)
@@ -87,6 +87,9 @@ func newConfig() (Config, error) {
 		return result, fmt.Errorf("found negative weight floor %d", result.Data.Weight.Floor)
 	}
 
+	result.Data.Title = dataTitle
+	result.Data.Subtitle = dataSubtitle
+
 	if u, err := url.Parse(output); err != nil {
 		return result, fmt.Errorf("failed to parse $OUTPUT (%s): %w", output, err)
 	} else {
@@ -151,11 +154,8 @@ func (d Data) weighXYasZ() Data {
 		}
 		xyz[x][y] += z
 	}
-	result := Data{
-		Labels: d.Labels[:],
-		Points: [][]float64{},
-		Weight: d.Weight,
-	}
+	result := d
+	result.Points = [][]float64{}
 	for x := range xyz {
 		for y, z := range xyz[x] {
 			result.Points = append(result.Points, []float64{x, y, z})
diff --git a/main.go b/main.go
index e58dcb5..a4823e6 100644
--- a/main.go
+++ b/main.go
@@ -31,28 +31,30 @@ func run(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	log.Printf("(%s, %s) = %v", x, y, data)
+	log.Printf("%s: (%s, %s) = %v", config.Data.Title, x, y, data)
 
 	scatter := charts.NewScatter()
-	scatter.SetGlobalOptions(charts.WithTitleOpts(opts.Title{
-		Title:    config.Data.Title,
-		Subtitle: config.Data.Subtitle,
-	}))
-	scatter.SetGlobalOptions(charts.WithTooltipOpts(opts.Tooltip{
-		Show:      true,
-		Formatter: `{c}`,
-	}))
-	scatter.SetGlobalOptions(charts.WithLegendOpts(opts.Legend{Show: false}))
-	scatter.SetGlobalOptions(charts.WithXAxisOpts(opts.XAxis{
-		Name:         x,
-		NameLocation: "middle",
-		NameGap:      config.Data.Weight.Floor + config.Data.Weight.Range,
-	}))
-	scatter.SetGlobalOptions(charts.WithYAxisOpts(opts.YAxis{
-		Name:         y,
-		NameLocation: "middle",
-		NameGap:      config.Data.Weight.Floor + config.Data.Weight.Range,
-	}))
+	scatter.SetGlobalOptions(
+		charts.WithTitleOpts(opts.Title{
+			Title:    config.Data.Title,
+			Subtitle: config.Data.Subtitle,
+		}),
+		charts.WithTooltipOpts(opts.Tooltip{
+			Show:      true,
+			Formatter: `{c}`,
+		}),
+		charts.WithLegendOpts(opts.Legend{Show: false}),
+		charts.WithXAxisOpts(opts.XAxis{
+			Name:         x,
+			NameLocation: "middle",
+			NameGap:      config.Data.Weight.Floor + config.Data.Weight.Range,
+		}),
+		charts.WithYAxisOpts(opts.YAxis{
+			Name:         y,
+			NameLocation: "middle",
+			NameGap:      config.Data.Weight.Floor + config.Data.Weight.Range,
+		}),
+	)
 	scatter.AddSeries(y, data)
 
 	buff := bytes.NewBuffer(nil)