def heatmap(
cls,
x: np.ndarray,
y: np.ndarray,
c: np.ndarray = None, # the variable to heatmap, if None XY occupancy
ax: plt.Axes = None,
colorbar: bool = False,
gridsize: int = 30,
**kwargs,
):
ax = ax or plt.gca()
if isinstance(x, pd.Series):
raise ValueError("Heatmapt plotting cannot accept a pandas Series")
else:
H = ax.hexbin(x, y, c, gridsize=gridsize, **kwargs)
if colorbar:
divider = make_axes_locatable(ax)
cax = divider.append_axes("bottom", size="5%", pad=0.05)
ax.figure.colorbar(H, cax=cax, orientation="horizontal")
