SplitDirection() Rolling direction mode. Members staticconstantCesium.SplitDirection.BOTTOM : Number Shield the underside of the roller blind. staticconstantCesium.SplitDirection.LEFT : Number Shield the left side of the roller blind. staticconstantCesium.SplitDirection.NONE : Number Disable roller blinds. staticconstantCesium.SplitDirection.RIGHT : Number Shield the right side of the roller blind. staticconstantCesium.SplitDirection.TOP : Number Shield the top of the roller blind.