getDescriptions: { visibleFeatures as String[] },
getMinColour: { [0, 255, 255] as int[] }, // cyan
getMaxColour: { [0, 0, 255] as int[] }, // blue
getDescriptions: { visibleFeatures as String[] },
getMinColour: { [0, 255, 255] as int[] }, // cyan
getMaxColour: { [0, 0, 255] as int[] }, // blue