pyicon_accessor.py: Add module to allow accessor based plotting and interpolation.

pyicon/pyicon_accessor.py

+import xarray as xr
+import pyicon as pyic
+
+@xr.register_dataarray_accessor("pyic")
+class pyiconDataArray:
+    def __init__(self, xarray_obj, path_grids='/work/mh0033/m300602/icon/grids/'):
+        self._obj = xarray_obj
+        self._gname = None
+        self.path_grids = path_grids
+
+    @property
+    def gname(self):
+        if self._gname is None:
+          self._gname = pyic.identify_grid(self.path_grids, self._obj)
+        return self._gname
+  
+    def plot(self, **kwargs):
+        da = self._obj
+        pyic.plot(da, **kwargs)
+        return 
+
+    def plot_sec(self, **kwargs):
+        da = self._obj
+        pyic.plot_sec(da, **kwargs)
+        return 
+
+    def interp(self, **kwargs):
+        da = self._obj
+        dai = pyic.interp_to_rectgrid_xr(da, **kwargs)
+        return dai