change how to control if grid is circular

add use of filter

Author: AntSimi

src/py_eddy_tracker/generic.py

@@ -198,7 +198,7 @@ def interp2d_geo(x_g, y_g, z_g, m_g, x, y, nearest=False):
     y_step = y_g[1] - y_ref
     nb_x = x_g.shape[0]
     nb_y = y_g.shape[0]
-    is_circular = (x_g[-1] + x_step) % 360 == x_g[0] % 360
+    is_circular = abs(x_g[-1] % 360 - (x_g[0] - x_step) % 360) < 1e-5
     z = empty(x.shape, dtype=z_g.dtype)
     for i in prange(x.size):
         x_ = (x[i] - x_ref) / x_step

src/py_eddy_tracker/observations/observation.py

@@ -1750,6 +1750,8 @@ def merge_filters(self, *filters):
         :return: Return applicable object to numpy.array
         :rtype: slice, index, mask
         """
+        if len(filters) == 1 and isinstance(filters[0], list):
+            filters = filters[0]
         filters_ = list()
         # Remove all filter which select all obs
         for filter in filters:
@@ -1894,6 +1896,7 @@ def grid_count(self, bins, intern=False, center=False, filter=slice(None)):
 
         .. minigallery:: py_eddy_tracker.EddiesObservations.grid_count
         """
+        filter = self.merge_filters(filter)
         x_name, y_name = self.intern(intern)
         x_bins, y_bins = arange(*bins[0]), arange(*bins[1])
         x0 = bins[0][0]