def adata():
    adata = ad.AnnData(np.zeros((100, 100)))
    adata.obsm["o"] = np.zeros((100, 50))
    adata.varm["o"] = np.zeros((100, 50))
    return adata
def filled_rectangle(self, x, y, w, h):
		self.board[y:y+h,x:x+w] = self.color