Plots the stoke parameter in the Poincaré sphere.
Fig. 1 : Poincare Sphere 
pypho_poincare.__init__(glova, color, marker)
Instantiation and parameter setting.
| Parameter | Type | Description | 
|---|---|---|
glova | 
      instance | Global parameters | 
color | 
      string | Color in matplotlib style. | 
marker | 
      string | Marker style in matplotlib style | 
| Output | Type | Description | 
|---|---|---|
| User defined variable | pypho_optfi.pypho_optfi | 
pypho_poincare.__call__(E, color (optional), marker (optional))
| Parameter | Type | Description | 
|---|---|---|
E | 
      numpy.ndarray | 2 dimensional array with complex values, which represents the sample points over time of the X- and Y-polarisation. For example E[0]['E'].Read here about data signal and noise representation  | 
    
| Optional paramter | As defined above |