index.html

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<html lang="en">
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            content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
        <title>Gerlingen 3D Viewer</title>
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        <script src="https://cesium.com/downloads/cesiumjs/releases/1.81/Build/Cesium/Cesium.js"></script>
        <link href="https://cesium.com/downloads/cesiumjs/releases/1.81/Build/Cesium/Widgets/widgets.css" rel="stylesheet">
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        <link rel="stylesheet" href="index.css" media="screen">
		<link rel="stylesheet" type="text/css" href="./CSS/Gerlingen.css">
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    <body>
        <!-- defining container to keep cesium viewer -->
        <div id="cesiumContainer"></div>
        <!-- defining menu panel -->
        <div class="backdrop" id="menu">
            <h2>Gerlingen 3D Viewer</h2>
            <span><strong>Show</strong></span>
            <div class="nowrap">
                <input id="3dbuildings" name="source" type="radio" checked/>
                <label for="3dbuildings">3D Buildings</label>
            </div>
            <div class="nowrap">
                <input id="heatdemand" name="source" type="radio"/>
                <label for="heatdemand">Avg. Sp. Heating Demand</label>
            </div>
			<div class="nowrap">
                <input id="pvpotential" name="source" type="radio"/>
                <label for="pvpotential">Avg. Photovoltaic Potenial</label>
            </div>
            <br>

			<!-- for legend panel -->
			<div id=heatdemandlegend>
				<hr color='white'>
				<div class='my-legend' id="legendcontainer">
					<div class='legend-title'>Avg. Sp. Heating Demand (kWh/(m².a))</div>
					<div class='legend-scale'>
						<ul class='legend-labels'>
							<li><span style='background:#61B949;'></span>Less than 25</li>
							<li><span style='background:#A4C711;'></span>25 to 50</li>
							<li><span style='background:#B2D531;'></span>50 to 75</li>
							<li><span style='background:#D1E023;'></span>75 to 100</li>
							<li><span style='background:#F6EC00;'></span>100 to 125</li>
							<li><span style='background:#FECE02;'></span>125 to 150</li>
							<li><span style='background:#F9A717;'></span>150 to 200</li>
							<li><span style='background:#F56D1F;'></span>200 to 250</li>
							<li><span style='background:#F22E22;'></span>More than 250</li>
							<li><span style='background:#FFFFFF;'></span>None Heated / No Data</li>
						</ul>
					</div>
				</div>
			</div>
			<div id=pvpotentialLegend>
				<hr color='white'>
				<div class='my-legend' id="legendcontainer">
					<div class='legend-title'>Avg. Photovoltaic Potenial (MWh/a)</div>
					<div class='legend-scale'>
						<ul class='legend-labels'>
							<li><span style='background:#fc4f00;'></span>Less than 5</li>
							<li><span style='background:#f27600;'></span>5 to 10</li>
							<li><span style='background:#e29700;'></span>10 to 15</li>
							<li><span style='background:#cab500;'></span>15 to 20</li>