adjustment for multi-lines on vertical sankey

Author: archmoj

src/traces/sankey/render.js

@@ -987,7 +987,7 @@ module.exports = function(gd, svg, calcData, layout, callbacks) {
             // how much to shift a multi-line label to center it vertically.
             var nLines = svgTextUtils.lineCount(e);
             var blockHeight = d.textFont.size * (
-                nLines === 1 ? -CAP_SHIFT : (nLines - 1) * LINE_SPACING
+                (nLines - 1) * LINE_SPACING - CAP_SHIFT
             );
 
             // TODO: handle MathJax

test/image/baselines/sankey_subplots.png

@@ -1,21 +1,18 @@
 {
     "data": [{
-            "textfont": {
-                "color": "red"
-            },
             "domain": {
-                "x": [0, 0.45]
+                "y": [0, 0.45]
             },
             "type": "sankey",
             "orientation": "h",
             "node": {
                 "line": {
-                    "width": 8,
+                    "width": 4,
                     "color": "black"
                 },
                 "label": [
                     "<i>Rien ne se perd,<br>rien ne se crée,<br>tout se <b>transforme</b>.</i><sub>",
-                    "el2",
+                    "H<sub>2</sub>O",
                     "<b>e<sup>iπ</sup> = cos i + i sin π</b>"
                 ]
             },
@@ -24,25 +21,37 @@
                 "target": [1, 1],
                 "value": [120, 50],
                 "label": ["stram1", "stream2"]
+            },
+            "textfont": {
+                "color": "darkblue"
             }
         },
         {
             "domain": {
-                "x": [0.55, 1]
+                "y": [0.55, 1]
             },
             "type": "sankey",
-            "orientation": "h",
+            "orientation": "v",
             "node": {
+                "thickness": 50,
                 "line": {
+                    "width": 4,
                     "color": "black"
                 },
-                "label": ["el4", "el5", "el6"]
+                "label": [
+                    "<i>Rien ne se perd,<br>rien ne se crée,<br>tout se <b>transforme</b>.</i><sub>",
+                    "H<sub>2</sub>O",
+                    "<b>e<sup>iπ</sup> = cos i + i sin π</b>"
+                ]
             },
             "link": {
                 "source": [0, 2],
                 "target": [1, 1],
                 "value": [120, 50],
-                "label": ["stram4", "stream5"]
+                "label": ["stram1", "stream2"]
+            },
+            "textfont": {
+                "color": "darkblue"
             }
         },
         {
@@ -52,7 +61,8 @@
     ],
     "layout": {
         "title": {"text": "Multiple Sankey plots"},
-        "autosize": true,
+        "width": 600,
+        "height": 600,
         "showlegend": false
     }
 }