Clear relinked cmin/cmax values in shared axes

src/plots/plots.js

@@ -2828,6 +2828,15 @@ plots.doCalcdata = function(gd, traces) {
  );
  }
 
+ // clear relinked cmin/cmax values in shared axes to start aggregation from scratch
+ for(var k in fullLayout._colorAxes) {
+ var cOpts = fullLayout[k];
+ if(cOpts.cauto !== false) {
+ delete cOpts.cmin;
+ delete cOpts.cmax;
+ }
+ }
+
  var hasCalcTransform = false;
 
  function transformCalci(i) {

test/jasmine/tests/colorscale_test.js

@@ -1101,6 +1101,42 @@ describe('Test colorscale restyle calls:', function() {
  .then(done);
  });
 
+ it('should update coloraxis cmin/cmax on color value changes', function(done) {
+ function fig(mc) {
+ return {
+ data: [{
+ mode: 'markers',
+ y: [1, 2, 3],
+ marker: {
+ coloraxis: 'coloraxis',
+ color: mc
+ }
+ }]
+ };
+ }
+
+ function _assert(msg, cmin, cmax) {
+ return function() {
+ var cOpts = gd._fullLayout.coloraxis;
+ expect(cOpts.cmin).toBe(cmin, msg + '| cmin');
+ expect(cOpts.cmax).toBe(cmax, msg + '| cmax');
+ };
+ }
+
+ Plotly.react(gd, fig([1, 2, 3]))
+ .then(_assert('marker.color [1,2,3]', 1, 3))
+ .then(function() { return Plotly.react(gd, fig([1, 5, 3])); })
+ .then(_assert('marker.color [1,5,3]', 1, 5))
+ .then(function() { return Plotly.react(gd, fig([1, 2, 3])); })
+ .then(_assert('back to marker.color [1,2,3]', 1, 3))
+ .then(function() { return Plotly.react(gd, fig([-1, 2, 3])); })
+ .then(_assert('marker.color [-1,2,3]', -1, 3))
+ .then(function() { return Plotly.react(gd, fig([1, 2, 3])); })
+ .then(_assert('back again to marker.color [1,2,3]', 1, 3))
+ .catch(failTest)
+ .then(done);
+ });
+
  it('should work with templates', function(done) {
  function _assert(msg, exp) {
  var mcc = [];