first pass for mesh3d colorscale settings

Author: etpinard

src/traces/mesh3d/attributes.js

@@ -165,8 +165,12 @@ module.exports = {
         width: extendFlat({}, surfaceAtts.contours.x.width)
     },
 
+    cauto: colorscaleAttrs.zauto,
+    cmin: colorscaleAttrs.zmin,
+    cmax: colorscaleAttrs.zmax,
     colorscale: colorscaleAttrs.colorscale,
     reversescale: colorscaleAttrs.reversescale,
+    autocolorscale: extendFlat({}, colorscaleAttrs.autocolorscale, {dflt: false}),
     showscale: colorscaleAttrs.showscale,
     colorbar: colorbarAttrs,
 

src/traces/mesh3d/calc.js

@@ -0,0 +1,17 @@
+/**
+* Copyright 2012-2017, Plotly, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*/
+
+'use strict';
+
+var colorscaleCalc = require('../../components/colorscale/calc');
+
+module.exports = function calc(gd, trace) {
+    if(trace.intensity) {
+        colorscaleCalc(trace, trace.intensity, '', 'c');
+    }
+};

src/traces/mesh3d/colorbar.js

@@ -0,0 +1,48 @@
+/**
+* Copyright 2012-2017, Plotly, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*/
+
+'use strict';
+
+var isNumeric = require('fast-isnumeric');
+
+var Lib = require('../../lib');
+var Plots = require('../../plots/plots');
+var Colorscale = require('../../components/colorscale');
+var drawColorbar = require('../../components/colorbar/draw');
+
+module.exports = function colorbar(gd, cd) {
+    var trace = cd[0].trace,
+        cbId = 'cb' + trace.uid,
+        cmin = trace.cmin,
+        cmax = trace.cmax,
+        vals = trace.intensity || [];
+
+    if(!isNumeric(cmin)) cmin = Lib.aggNums(Math.min, null, vals);
+    if(!isNumeric(cmax)) cmax = Lib.aggNums(Math.max, null, vals);
+
+    gd._fullLayout._infolayer.selectAll('.' + cbId).remove();
+
+    if(!trace.showscale) {
+        Plots.autoMargin(gd, cbId);
+        return;
+    }
+
+    var cb = cd[0].t.cb = drawColorbar(gd, cbId);
+    var sclFunc = Colorscale.makeColorScaleFunc(
+        Colorscale.extractScale(
+            trace.colorscale,
+            cmin,
+            cmax
+        ),
+        { noNumericCheck: true }
+    );
+
+    cb.fillcolor(sclFunc)
+        .filllevels({start: cmin, end: cmax, size: (cmax - cmin) / 254})
+        .options(trace.colorbar)();
+};

src/traces/mesh3d/defaults.js

@@ -11,10 +11,9 @@
 
 var Registry = require('../../registry');
 var Lib = require('../../lib');
-var colorbarDefaults = require('../../components/colorbar/defaults');
+var colorscaleDefaults = require('../../components/colorscale/defaults');
 var attributes = require('./attributes');
 
-
 module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
     function coerce(attr, dflt) {
         return Lib.coerce(traceIn, traceOut, attributes, attr, dflt);
@@ -77,23 +76,12 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
 
     if('intensity' in traceIn) {
         coerce('intensity');
-        coerce('showscale', true);
-    }
-    else {
+        colorscaleDefaults(traceIn, traceOut, layout, coerce, {prefix: '', cLetter: 'c'});
+    } else {
         traceOut.showscale = false;
 
         if('facecolor' in traceIn) coerce('facecolor');
         else if('vertexcolor' in traceIn) coerce('vertexcolor');
         else coerce('color', defaultColor);
     }
-
-    if(traceOut.reversescale) {
-        traceOut.colorscale = traceOut.colorscale.map(function(si) {
-            return [1 - si[0], si[1]];
-        }).reverse();
-    }
-
-    if(traceOut.showscale) {
-        colorbarDefaults(traceIn, traceOut, layout);
-    }
 };

src/traces/mesh3d/index.js

@@ -13,7 +13,8 @@ var Mesh3D = {};
 
 Mesh3D.attributes = require('./attributes');
 Mesh3D.supplyDefaults = require('./defaults');
-Mesh3D.colorbar = require('../heatmap/colorbar');
+Mesh3D.calc = require('./calc');
+Mesh3D.colorbar = require('./colorbar');
 Mesh3D.plot = require('./convert');
 
 Mesh3D.moduleType = 'trace';

src/traces/surface/attributes.js

@@ -122,7 +122,6 @@ module.exports = {
         ].join(' ')
     },
 
-    // Todo this block has a structure of colorscale/attributes.js but with colorscale/color_attributes.js names
     cauto: colorscaleAttrs.zauto,
     cmin: colorscaleAttrs.zmin,
     cmax: colorscaleAttrs.zmax,