make sure to add cartesian base plot module to orphan axis graphs:

etpinard · etpinard · commit 68b12c4da0de · 2016-05-06T14:16:34.000-04:00
- so that Cartesian.plot gets called
diff --git a/src/plots/cartesian/layout_defaults.js b/src/plots/cartesian/layout_defaults.js
@@ -95,7 +95,7 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {
     // make sure that plots with orphan cartesian axes
     // are considered 'cartesian'
     if(xaListCartesian.length && yaListCartesian.length) {
-        layoutOut._hasCartesian = true;
+        Lib.fillUnique(layoutOut._basePlotModules, Plots.subplotsRegistry.cartesian);
     }
 
     function axSort(a, b) {

Original file line number	Diff line number	Diff line change
`@@ -95,7 +95,7 @@ module.exports = function supplyLayoutDefaults(layoutIn, layoutOut, fullData) {`
`95`	`95`	`// make sure that plots with orphan cartesian axes`
`96`	`96`	`// are considered 'cartesian'`
`97`	`97`	`if(xaListCartesian.length && yaListCartesian.length) {`
`98`		`- layoutOut._hasCartesian = true;`
	`98`	`+ Lib.fillUnique(layoutOut._basePlotModules, Plots.subplotsRegistry.cartesian);`
`99`	`99`	`}`
`100`	`100`
`101`	`101`	`function axSort(a, b) {`