first cut polar mocks!

Author: etpinard

test/image/baselines/polar_blank.png

@@ -0,0 +1,25 @@
+{
+  "data": [{
+    "type": "scatterpolar",
+    "r": [0],
+    "theta": [0]
+  }],
+  "layout": {
+    "polar": {
+      "angularaxis": {
+        "showline": true,
+        "showgrid": false,
+        "showticklabels": false,
+        "ticks": ""
+      },
+      "radialaxis": {
+        "showline": false,
+        "showgrid": false,
+        "showticklabels": false,
+        "ticks": ""
+      }
+    },
+    "width": 600,
+    "height": 500
+  }
+}

test/image/baselines/polar_categories.png

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+{
+  "data": [
+    {
+      "type": "scatterpolar",
+      "mode": "lines+markers",
+      "name": "angular categories",
+      "r": [5, 4, 2, 4, 5],
+      "theta": ["a", "b", "c", "d", "a"],
+      "fill": "toself"
+    },
+    {
+      "type": "scatterpolar",
+      "mode": "lines+markers",
+      "name": "radial categories",
+      "r": ["a", "b", "c", "d", "b", "f", "a"],
+      "theta": [1, 4, 2, 1.5, 1.5, 6, 5],
+      "thetaunit": "radians",
+      "fill": "toself",
+      "subplot": "polar2"
+    },
+    {
+      "type": "scatterpolar",
+      "mode": "lines+markers",
+      "name": "angular categories (w/ categoryarray)",
+      "r": [5, 4, 2, 4, 5],
+      "theta": ["a", "b", "c", "d", "a"],
+      "fill": "toself",
+      "subplot": "polar3"
+    },
+    {
+      "type": "scatterpolar",
+      "mode": "lines+markers",
+      "name": "radial categories (w/ category descending)",
+      "r": ["a", "b", "c", "d", "b", "f", "a", "a"],
+      "theta": [45, 90, 180, 200, 300, 15, 20, 45],
+      "fill": "toself",
+      "subplot": "polar4"
+    }
+  ],
+  "layout": {
+    "polar": {
+      "domain": {
+        "x": [0, 0.46],
+        "y": [0.56, 1]
+      },
+      "radialaxis": {
+        "position": 45
+      }
+    },
+    "polar2": {
+      "domain": {
+        "x": [0, 0.46],
+        "y": [0, 0.44]
+      },
+      "radialaxis": {
+        "position": 180,
+        "tickangle": -180
+      }
+    },
+    "polar3": {
+      "domain": {
+        "x": [0.54, 1],
+        "y": [0.56, 1]
+      },
+      "radialaxis": {
+        "position": -45
+      },
+      "angularaxis": {
+        "categoryarray": ["d", "a", "c", "b"]
+      }
+    },
+    "polar4": {
+      "domain": {
+        "x": [0.54, 1],
+        "y": [0, 0.44]
+      },
+      "radialaxis": {
+        "categoryorder": "category descending"
+      },
+      "angularaxis": {
+        "thetaunit": "radians",
+        "dtick": 0.3141592653589793
+      }
+    },
+    "legend": {
+      "x": 0.5,
+      "y": -0.05,
+      "xanchor": "center",
+      "yanchor": "top"
+    },
+    "width": 550,
+    "height": 550,
+    "margin": {"l": 40, "r": 40, "b": 60, "t": 20, "pad": 0}
+  }
+}

test/image/baselines/polar_dates.png

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+{
+  "data": [
+    {
+      "type": "scatterpolar",
+      "mode": "lines+markers",
+      "name": "",
+      "r": [5, 4, 2, 4, 3],
+      "theta": ["2017-01-01", "2017-04-01", "2017-08-01", "2017-12-01", "2018-01-01"],
+      "line": {
+        "shape": "spline"
+      }
+    }, 
+    {
+      "mode": "lines+markers",
+      "name": "",
+      "x": [5, 4, 2, 4, 3],
+      "y": ["2017-01-01", "2017-04-01", "2017-08-01", "2017-12-01", "2018-01-01"],
+      "line": {
+        "shape": "spline"
+      }
+    }
+  ],
+  "layout": {
+    "polar": {
+      "domain": {
+        "x": [0, 0.46],
+        "y": [0.54, 1]
+      }
+    },
+    "yaxis": {
+      "domain": [0, 0.46]
+    },
+    "legend": {
+      "x": 0.5,
+      "y": -0.05,
+      "xanchor": "center",
+      "yanchor": "top"
+    },
+    "hovermode": "closest",
+    "width": 550,
+    "height": 550,
+    "margin": {"l": 80, "r": 40, "b": 60, "t": 20, "pad": 0}
+  }
+}