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IMAGE_GRAPH_AXIS_HORIZONTAL = 1
IMAGE_GRAPH_AXIS_INTERVAL_AUTO =
IMAGE_GRAPH_AXIS_VERTICAL = 2
IMAGE_GRAPH_AXIS_X = 1
IMAGE_GRAPH_AXIS_Y = 2
IMAGE_GRAPH_LABEL_MAXIMUM = 4
IMAGE_GRAPH_LABEL_MINIMUM = 1
IMAGE_GRAPH_LABEL_ZERO = 2