implement valuehoverformat for isosurface and volume traces

Author: archmoj

src/plots/gl3d/scene.js

@@ -392,7 +392,7 @@ proto.render = function() {
             }
             tx = vectorTx.join('<br>');
         } else if(trace.type === 'isosurface' || trace.type === 'volume') {
-            labels.valueLabel = Axes.tickText(scene._mockAxis, scene._mockAxis.d2l(selection.traceCoordinate[3]), 'hover').text;
+            labels.valueLabel = Axes.hoverLabelText(scene._mockAxis, scene._mockAxis.d2l(selection.traceCoordinate[3]), trace.valuehoverformat);
             vectorTx.push('value: ' + labels.valueLabel);
             if(selection.textLabel) {
                 vectorTx.push(selection.textLabel);

src/traces/isosurface/attributes.js

@@ -210,6 +210,7 @@ var attrs = module.exports = overrideAll(extendFlat({
     xhoverformat: axisHoverFormat('x'),
     yhoverformat: axisHoverFormat('y'),
     zhoverformat: axisHoverFormat('z'),
+    valuehoverformat: axisHoverFormat('value', 1),
 
     showlegend: extendFlat({}, baseAttrs.showlegend, {dflt: false})
 },

src/traces/isosurface/defaults.js

@@ -43,6 +43,7 @@ function supplyIsoDefaults(traceIn, traceOut, defaultColor, layout, coerce) {
     var handleCalendarDefaults = Registry.getComponentMethod('calendars', 'handleTraceDefaults');
     handleCalendarDefaults(traceIn, traceOut, ['x', 'y', 'z'], layout);
 
+    coerce('valuehoverformat');
     ['x', 'y', 'z'].forEach(function(dim) {
         coerce(dim + 'hoverformat');
 

src/traces/volume/attributes.js

@@ -46,6 +46,7 @@ var attrs = module.exports = overrideAll(extendFlat({
     xhoverformat: isosurfaceAttrs.xhoverformat,
     yhoverformat: isosurfaceAttrs.yhoverformat,
     zhoverformat: isosurfaceAttrs.zhoverformat,
+    valuehoverformat: isosurfaceAttrs.valuehoverformat,
     hovertemplate: isosurfaceAttrs.hovertemplate
 },
 

test/jasmine/tests/gl3d_hover_click_test.js

@@ -1268,7 +1268,7 @@ describe('Test gl3d trace click/hover:', function() {
     });
 });
 
-describe('hover on traces with (x|y|z|u|v|w)hoverformat', function() {
+describe('hover on traces with (x|y|z|u|v|w)hoverformat and valuehoverformat', function() {
     'use strict';
 
     var gd, fig;
@@ -1393,16 +1393,17 @@ describe('hover on traces with (x|y|z|u|v|w)hoverformat', function() {
     });
 
     [
-        {type: 'isosurface', nums: 'x: 1.0\ny: 1.00\nz: 1.000\nvalue: 8'},
-        {type: 'volume', nums: 'x: 1.0\ny: 1.00\nz: 1.000\nvalue: 8'},
+        {type: 'isosurface', nums: 'x: 1.0\ny: 1.00\nz: 1.000\nvalue: 8.0000'},
+        {type: 'volume', nums: 'x: 1.0\ny: 1.00\nz: 1.000\nvalue: 8.0000'},
     ].forEach(function(t) {
         it('@gl ' + t.type + ' trace', function(done) {
             fig.data = [{
                 showscale: false,
-                hoverinfo: 'x+y+z+u+v+w',
+                hoverinfo: 'x+y+z+u+v+w+value',
                 xhoverformat: '.1f',
                 yhoverformat: '.2f',
                 zhoverformat: '.3f',
+                valuehoverformat: '.4f',
                 x: [0, 1, 0, 1, 0, 1, 0, 1],
                 y: [0, 0, 1, 1, 0, 0, 1, 1],
                 z: [0, 0, 0, 0, 1, 1, 1, 1],