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                "outerY": "-829.8362333674513",
                "thickness": "10.0",
                "layer": "RPE",
                "feature": {
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                    "description": "RPE Grade 2"
                }
            },
            {
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                "innerY": "-2.8147389969293757",
                "outerX": "126.6632548618219",
                "outerY": "0.0",
                "thickness": "2.8",
                "layer": "RPE",
                "feature": {
                    "code": "RPE2",
                    "description": "RPE Grade 2"
                }
            }
        ],
        "RPE0": [
            {
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                "innerY": "-531.985670419652",
                "outerX": "-2496.9293756397133",
                "outerY": "-523.2855680655066",
                "thickness": "9.1",
                "layer": "RPE",
                "feature": {
                    "code": "RPE0",
                    "description": "RPE Grade 0"
                }
            },
            {
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                "innerY": "-289.91811668372566",
                "outerX": "-1952.1494370522005",
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                "thickness": "10.0",
                "layer": "RPE",
                "feature": {
                    "code": "RPE0",
                    "description": "RPE Grade 0"
                }
            },
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                "innerY": "-122.56908904810645",
                "outerX": "-1516.888433981576",
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                    "description": "RPE Grade 0"
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            },
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                "innerY": "-38.89457523029682",
                "outerX": "-979.5291709314226",
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                "thickness": "10.2",
                "layer": "RPE",
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                    "description": "RPE Grade 0"
                }
            },
            {
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                "innerY": "-15.86489252814739",
                "outerX": "-596.4687819856704",
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                "thickness": "11.3",
                "layer": "RPE",
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                    "description": "RPE Grade 0"
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            },
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                    "description": "RPE Grade 0"
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                "outerX": "1519.191402251791",
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                    "description": "RPE Grade 0"
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                "outerX": "1998.4646878198566",
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                "layer": "RPE",
                "feature": {
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        ],
        "RPE1": [
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                "layer": "RPE",
                "feature": {
                    "code": "RPE1",
                    "description": "RPE Grade 1"
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        ]
    },
    "Sub-RPE Space": {
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                "thickness": "11.5",
                "layer": "Sub-RPE Space",
                "feature": {
                    "code": "Druse",
                    "description": "Druse"
                }
            }
        ],
        "Pre-BlinD": [
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                "innerX": "637.9222108495394",
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                "outerX": "637.9222108495394",
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                "thickness": "0.5",
                "layer": "Sub-RPE Space",
                "feature": {
                    "code": "Pre-BlinD",
                    "description": "Pre Basal Linear Deposit"
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            },
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                "outerX": "1519.191402251791",
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                "layer": "Sub-RPE Space",
                "feature": {
                    "code": "Pre-BlinD",
                    "description": "Pre Basal Linear Deposit"
                }
            },
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                "innerX": "1998.4646878198566",
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                "layer": "Sub-RPE Space",
                "feature": {
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                    "description": "Pre Basal Linear Deposit"
                }
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        ]
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}
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
}