Merge pull request #6944 from weiweikee/dev-parcats-color-hover

Fix hover count info label in `createHoverLabelForColorHovermode`

Author: archmoj

Diff for: draftlogs/6944_change.md

@@ -0,0 +1,3 @@
+- Fix hover count in parcats trace [[#6944](https://github.com/plotly/plotly.js/pull/6944)],
+   with thanks to @weiweikee for the contribution!
+

Diff for: src/traces/parcats/parcats.js

@@ -921,7 +921,7 @@ function createHoverLabelForColorHovermode(gd, rootBBox, bandElement) {
     var pColorGivenCat = bandColorCount / catCount;
 
     var labels = {
-        countLabel: totalCount,
+        countLabel: bandColorCount,
         categoryLabel: catLabel,
         probabilityLabel: pColorAndCat.toFixed(3)
     };

Diff for: test/image/mocks/parcats_hoveron_color.json

@@ -3,7 +3,7 @@
     {"type": "parcats",
       "domain": {"x": [0.125, 0.625],"y": [0.25, 0.75]},
       "hoveron": "color",
-      "hoverinfo": "probability",
+      "hoverinfo": "count+probability",
       "dimensions":[
         {"label": "One", "values": [1, 1, 2, 1, 2, 1, 1, 2, 1]},
         {"label": "Two", "values": ["A", "B", "A", "B", "C", "C", "A", "B", "C"]},