Fixed PatternGenerator getitem for patterns with zero declared channels

holoviz-topics · Mar 19, 2015 · bfe83c3 · bfe83c3
1 parent d80b415
commit bfe83c3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/imagen/patterngenerator.py b/imagen/patterngenerator.py
@@ -170,7 +170,7 @@ def __call__(self,**params_to_override):
 
     def __getitem__(self, coords):
         value_dims = {}
-        if self.num_channels() == 1:
+        if self.num_channels() in [0, 1]:
             raster, data = Image, self()
             value_dims = {'value_dimensions':[self.z]} if self.z else value_dims
         elif self.num_channels() in [3,4]: