{
    "id": "/ColorScalePresets",
    "title": "Color Scale Presets Schema",
    "description": "JSON schema for a color scale presets data, used in the webgl-operate module for validation.",
    "type": "array",
    "items": { 
        "type": "object",
        "properties": {

            "identifier": { "type": "string" },
            "type": { "type": "string", "enum": [ "sequential", "diverging", "qualitative" ] },
            "format": { "type": "string", "enum": [ "rgb", "rgbf" ] },

            "colors": { "type": "array", "items": { "type": "array", "items": { "type":  ["integer","number"] } } },
            "positions": { "type": "array", "items": { "type": "array", "items": { "type":  ["integer","number"] } } }

        },
        "required": [ "identifier", "format", "colors" ],
        "additionalProperties": false
    }
}