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                "outerX": "1534.288638689867",
                "outerY": "-146.36642784032753",
                "thickness": "0.0",
                "layer": "ChC",
                "feature": {
                    "code": "Ghost",
                    "description": "Ghost Capillary"
                }
            },
            {
                "innerX": "2025.3326509723643",
                "innerY": "-357.4718526100307",
                "outerX": "2025.3326509723643",
                "outerY": "-357.4718526100307",
                "thickness": "0.0",
                "layer": "ChC",
                "feature": {
                    "code": "Ghost",
                    "description": "Ghost Capillary"
                }
            }
        ]
    },
    "ONL Rods": {
        "Thinned": [
            {
                "innerX": "-979.0174002047082",
                "innerY": "-319.0890481064483",
                "outerX": "-981.5762538382804",
                "outerY": "-279.68270214943703",
                "thickness": "39.5",
                "layer": "ONL Rods",
                "feature": {
                    "code": "Thinned",
                    "description": "Thinned or Depopulated"
                }
            },
            {
                "innerX": "-585.2098259979529",
                "innerY": "-311.1566018423746",
                "outerX": "-585.7215967246673",
                "outerY": "-269.1914022517912",
                "thickness": "42.0",
                "layer": "ONL Rods",
                "feature": {
                    "code": "Thinned",
                    "description": "Thinned or Depopulated"
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            },
            {
                "innerX": "4.350051177072671",
                "innerY": "-386.8986693961105",
                "outerX": "3.5823950870010233",
                "outerY": "-379.9897645854657",
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                "layer": "ONL Rods",
                "feature": {
                    "code": "Thinned",
                    "description": "Thinned or Depopulated"
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            },
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                "layer": "ONL Rods",
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            },
            {
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                "outerX": "2802.200614124872",
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                "thickness": "0.0",
                "layer": "ONL Rods",
                "feature": {
                    "code": "Thinned",
                    "description": "Thinned or Depopulated"
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        ]
    },
    "OS": {
        "Missing": [
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                "innerX": "545.5475946775845",
                "innerY": "-442.4257932446264",
                "outerX": "545.5475946775845",
                "outerY": "-442.4257932446264",
                "thickness": "0.0",
                "layer": "OS",
                "feature": {
                    "code": "Missing",
                    "description": "Missing"
                }
            }
        ]
    },
    "BrM Inner": {
        "Calcification": [
            {
                "innerX": "615.6601842374616",
                "innerY": "40.68577277379734",
                "outerX": "615.6601842374616",
                "outerY": "42.22108495394063",
                "thickness": "1.5",
                "layer": "BrM Inner",
                "feature": {
                    "code": "Calcification",
                    "description": "Calcification"
                }
            }
        ]
    }
}
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 + "')",
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        });

        count++;
    }

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

}

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