Remove base.Map.check_grains_detected

Grains are generated when accessed with default parameters

defdap/base.py

@@ -68,9 +68,6 @@ def __len__(self):
 
     # allow array like getting of grains
     def __getitem__(self, key):
-        # Check that grains have been detected in the map
-        # self.check_grains_detected()
-
         return self.grains[key]
 
     @property
@@ -93,36 +90,6 @@ def crop(self, map_data, **kwargs):
     def set_homog_point(self, **kwargs):
         self.frame.set_homog_point(self, **kwargs)
 
-    def check_grains_detected(self, raise_exc=True):
-        """Check if grains have been detected.
-
-        Parameters
-        ----------
-        raise_exc : bool
-            If True then an exception is raised if grains have not been
-            detected.
-
-        Returns
-        -------
-        bool:
-            True if grains detected, False otherwise.
-
-        Raises
-        -------
-        Exception
-            If grains not detected.
-
-        """
-
-        if (self._grains is None or
-                type(self._grains) is not list or
-                len(self._grains) < 1):
-            if raise_exc:
-                raise Exception("No grains detected.")
-            else:
-                return False
-        return True
-
     def plot_grain_numbers(self, dilate_boundaries=False, ax=None, **kwargs):
         """Plot a map with grains numbered.
 
@@ -160,9 +127,6 @@ def locate_grain(self, click_event=None, display_grain=False, **kwargs):
             Keyword arguments passed to :func:`defdap.base.Map.plot_default`
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         # reset current selected grain and plot euler map with click handler
         plot = self.plot_default(make_interactive=True, **kwargs)
         if click_event is None:
@@ -627,10 +591,6 @@ def calc_grain_average(self, map_data, grainIds=-1):
             Array containing the grain average values.
 
         """
-
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         if type(grainIds) is int and grainIds == -1:
             grainIds = range(len(self))
 
@@ -671,9 +631,6 @@ def grain_data_to_map_data(self, grain_data, grainIds=-1, bg=0):
             Array filled with grain data values
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         if type(grainIds) is int:
             if grainIds == -1:
                 grainIds = range(len(self))
@@ -780,9 +737,6 @@ def plotGrainDataIPF(
             else:
                 grainData = self.calc_grain_average(mapData, grainIds=grainIds)
 
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         if type(grainIds) is int and grainIds == -1:
             grainIds = range(len(self))
 

defdap/ebsd.py

@@ -1042,9 +1042,6 @@ def calc_grain_av_oris(self):
         """Calculate the average orientation of grains.
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         numGrains = len(self)
         for iGrain, grain in enumerate(self):
             grain.calc_average_ori()
@@ -1062,9 +1059,6 @@ def calc_grain_mis_ori(self, calc_axis=False):
             Calculate the misorientation axis if True.
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         num_grains = len(self)
         for i_grain, grain in enumerate(self):
             grain.build_mis_ori_list(calc_axis=calc_axis)
@@ -1087,9 +1081,6 @@ def plot_mis_ori_map(self, component=0, **kwargs):
         defdap.plotting.MapPlot
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         if component in [1, 2, 3]:
             self.mis_ori = np.zeros(self.shape)
             # Calculate misorientation axis if not calculated
@@ -1141,9 +1132,6 @@ def calc_average_grain_schmid_factors(self, load_vector, slip_systems=None):
             planes calculated if not given.
 
         """
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         num_grains = len(self)
         for iGrain, grain in enumerate(self):
             grain.calc_average_schmid_factors(load_vector, slip_systems=slip_systems)
@@ -1181,9 +1169,6 @@ def plot_average_grain_schmid_factors_map(self, planes=None, directions=None,
         }
         plot_params.update(kwargs)
 
-        # Check that grains have been detected in the map
-        self.check_grains_detected()
-
         if self[0].average_schmid_factors is None:
             raise Exception("Run 'calc_average_grain_schmid_factors' first")