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            {
                "innerX": "1505.3735926305014",
                "innerY": "-358.23950870010236",
                "outerX": "1505.3735926305014",
                "outerY": "-356.96008188331626",
                "thickness": "1.3",
                "layer": "Sub-RPE Space",
                "feature": {
                    "code": "BlinD",
                    "description": "Basal Linear Deposit"
                }
            }
        ],
        "Druse": [
            {
                "innerX": "3516.376663254862",
                "innerY": "-1004.861821903787",
                "outerX": "3513.8178096212896",
                "outerY": "-965.1995905834186",
                "thickness": "39.7",
                "layer": "Sub-RPE Space",
                "feature": {
                    "code": "Druse",
                    "description": "Druse"
                }
            }
        ]
    },
    "ChC": {
        "Ghost": [
            {
                "innerX": "-3009.7236438075743",
                "innerY": "-557.5742067553736",
                "outerX": "-3009.7236438075743",
                "outerY": "-557.5742067553736",
                "thickness": "0.0",
                "layer": "ChC",
                "feature": {
                    "code": "Ghost",
                    "description": "Ghost Capillary"
                }
            }
        ],
        "Other": [
            {
                "innerX": "-563.2036847492324",
                "innerY": "7.420675537359263",
                "outerX": "-563.2036847492324",
                "outerY": "7.420675537359263",
                "thickness": "0.0",
                "layer": "ChC",
                "feature": [
                    {
                        "code": "Other",
                        "description": "New Feature Name"
                    },
                    {
                        "code": "Ghost",
                        "description": "Ghost Capillary"
                    }
                ],
                "featureType": "Array"
            }
        ]
    }
}
var layers = [];
var icon_base = "https://maps.google.com/mapfiles/ms/micons/";
//var colors = ["mm_20_purple.png", "mm_20_yellow.png", "mm_20_blue.png", "mm_20_white.png", "mm_20_green.png",
//"mm_20_red.png", "mm_20_black.png", "mm_20_orange.png", "mm_20_gray.png", "mm_20_brown.png"];
var colors = ["purple.png", "yellow.png", "blue.png", "lightblue.png", "green.png",
              "red.png", "pink.png", "orange.png"];
var count = 0;

for (var layer in mapOptions){
    console.log(layer);

    var codes = [];

    for (var code in mapOptions[layer]) {
        var icon = icon_base + colors[count];

        codes.push({
            pageName:code,
            pageId:code.replace(/ /g,'_'),
            linkUrl:"loadAnnotation('" + layer + "', '" + code + "', '" + icon + "')",
            icon: icon,
        });

        count++;
    }

    layers.push({
        hasScd:true,
        pageName:layer,
        pageId:layer.replace(/ /g,'_'),
        secondClass:codes
    });

}

var navOptions = {
    styles:{
        logo:{
            imgUrl:'',
            linkUrl:''
        },
        showMore:true,
    },
    firstClass:layers
}