Fix range defaults to take into account minallowed and maxallowed values

draftlogs/6796_fix.md

@@ -0,0 +1 @@
+ - Fix range defaults to take into account minallowed and maxallowed values [[#6796](https://github.com/plotly/plotly.js/pull/6796)]

src/plots/cartesian/set_convert.js

@@ -447,6 +447,11 @@ module.exports = function setConvert(ax, fullLayout) {
 
         if(minallowed !== undefined && rng[0] < bounds[0]) range[axrev ? 1 : 0] = minallowed;
         if(maxallowed !== undefined && rng[1] > bounds[1]) range[axrev ? 0 : 1] = maxallowed;
+
+        if(range[0] === range[1]) {
+            if(minallowed !== undefined) range[axrev ? 1 : 0] = ax.l2r(minallowed + 1);
+            if(maxallowed !== undefined) range[axrev ? 0 : 1] = ax.l2r(maxallowed - 1);
+        }
     };
 
     /*

src/plots/polar/polar.js

@@ -390,6 +390,24 @@ proto.doAutoRange = function(fullLayout, polarLayout) {
         radialAxis.r2l(rng[0], null, 'gregorian'),
         radialAxis.r2l(rng[1], null, 'gregorian')
     ];
+
+    var minallowed = radialAxis.minallowed;
+    if(minallowed !== undefined) {
+        if(radialAxis._rl[0] > radialAxis._rl[1]) {
+            radialAxis._rl[1] = Math.max(radialAxis._rl[1], minallowed);
+        } else {
+            radialAxis._rl[0] = Math.max(radialAxis._rl[0], minallowed);
+        }
+    }
+
+    var maxallowed = radialAxis.maxallowed;
+    if(maxallowed !== undefined) {
+        if(radialAxis._rl[0] < radialAxis._rl[1]) {
+            radialAxis._rl[1] = Math.min(radialAxis._rl[1], maxallowed);
+        } else {
+            radialAxis._rl[0] = Math.min(radialAxis._rl[0], maxallowed);
+        }
+    }
 };
 
 proto.updateRadialAxis = function(fullLayout, polarLayout) {

test/image/mocks/zz-allowed-range.json

@@ -0,0 +1,79 @@
+{
+    "data": [
+        {
+            "type": "scatter",
+            "mode": "markers",
+            "xaxis": "x",
+            "yaxis": "y",
+            "x": [0,1,2,3,4,5,6,7,8,9,10],
+            "y":[0,10,20,30,40,50,60,70,80,90,100]
+        },
+        {
+            "type": "scatter",
+            "mode": "markers",
+            "xaxis": "x2",
+            "yaxis": "y2",
+            "x": [0,1,2,3,4,5,6,7,8,9,10],
+            "y":[0,10,20,30,40,50,60,70,80,90,100]
+        },
+        {
+            "type": "scatterpolar",
+            "mode": "markers",
+            "subplot": "polar",
+            "r": [0,1,2,3,4,5,6,7,8,9,10],
+            "theta":[0,10,20,30,40,50,60,70,80,90,100]
+        },
+        {
+            "type": "scatterpolar",
+            "mode": "markers",
+            "subplot": "polar2",
+            "r": [0,1,2,3,4,5,6,7,8,9,10],
+            "theta":[0,10,20,30,40,50,60,70,80,90,100]
+        }
+    ],
+    "layout": {
+        "showlegend": false,
+        "width": 800,
+        "height": 800,
+        "xaxis": {
+            "anchor": "y",
+            "domain": [0, 0.45],
+            "minallowed": 6
+        },
+        "yaxis": {
+            "anchor": "x",
+            "domain": [0, 0.45],
+            "minallowed": 6
+        },
+        "xaxis2": {
+            "autorange": "reversed",
+            "anchor": "y2",
+            "domain": [0, 0.45],
+            "minallowed": 6
+        },
+        "yaxis2": {
+            "anchor": "x2",
+            "domain": [0.55, 1],
+            "minallowed": 6
+        },
+        "polar": {
+            "domain": {
+                "x": [0.55, 1],
+                "y": [0, 0.45]
+            },
+            "radialaxis": {
+                "minallowed": 6
+            }
+        },
+        "polar2": {
+            "domain": {
+                "x": [0.55, 1],
+                "y": [0.55, 1]
+            },
+            "radialaxis": {
+                "autorange": "reversed",
+                "minallowed": 6
+            }
+        }
+    }
+}