Added left,right,top_corner_label methods

ternary/ternary_axes_subplot.py

@@ -137,6 +137,31 @@ def left_axis_label(self, label, position=None,  rotation=60, offset=0.08,
             position = (-offset, 3./5, 2./5)
         self._labels["left"] = (label, position, rotation, kwargs)
 
+    def right_corner_label(self, label, position=None,  rotation=0, offset=0.08,
+                        **kwargs):
+        """
+        Sets the label on the right corner (complements left axis).
+
+        Parameters
+        ----------
+        ax: Matplotlib AxesSubplot, None
+            The subplot to draw on.
+        label: String
+            The axis label
+        position: 3-Tuple of floats, None
+            The position of the text label
+        rotation: float, 0
+            The angle of rotation of the label
+        offset: float,
+            Used to compute the distance of the label from the axis
+        kwargs:
+            Any kwargs to pass through to matplotlib.
+        """
+
+        if not position:
+            position = (1, offset, 0)
+        self._labels["left"] = (label, position, rotation, kwargs)
+
     def right_axis_label(self, label, position=None, rotation=-60, offset=0.08,
                          **kwargs):
         """
@@ -162,6 +187,31 @@ def right_axis_label(self, label, position=None, rotation=-60, offset=0.08,
             position = (2./5 + offset, 3./5, 0)
         self._labels["right"] = (label, position, rotation, kwargs)
 
+    def left_corner_label(self, label, position=None, rotation=-0, offset=0.08,
+                         **kwargs):
+        """
+        Sets the label on the left corner (complements right axis.)
+
+        Parameters
+        ----------
+        ax: Matplotlib AxesSubplot, None
+            The subplot to draw on.
+        label: String
+            The axis label
+        position: 3-Tuple of floats, None
+            The position of the text label
+        rotation: float, 0
+            The angle of rotation of the label
+        offset: float,
+            Used to compute the distance of the label from the axis
+        kwargs:
+            Any kwargs to pass through to matplotlib.
+        """
+
+        if not position:
+            position = (-offset, offset, -offset/2)
+        self._labels["right"] = (label, position, rotation, kwargs)
+
     def bottom_axis_label(self, label, position=None, rotation=0, offset=0.02,
                           **kwargs):
         """
@@ -187,6 +237,31 @@ def bottom_axis_label(self, label, position=None, rotation=0, offset=0.02,
             position = (1./2, offset, 1./2)
         self._labels["bottom"] = (label, position, rotation, kwargs)
 
+    def top_corner_label(self, label, position=None, rotation=0, offset=0.2,
+                          **kwargs):
+        """
+        Sets the label on the bottom axis.
+
+        Parameters
+        ----------
+        ax: Matplotlib AxesSubplot, None
+            The subplot to draw on.
+        label: String
+            The axis label
+        position: 3-Tuple of floats, None
+            The position of the text label
+        rotation: float, 0
+            The angle of rotation of the label
+        offset: float,
+            Used to compute the distance of the label from the axis
+        kwargs:
+            Any kwargs to pass through to matplotlib.
+        """
+
+        if not position:
+            position = (-offset/2,1+offset,0)
+        self._labels["bottom"] = (label, position, rotation, kwargs)
+
     def annotate(self, text, position, **kwargs):
         ax = self.get_axes()
         p = project_point(position)