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communitiesAtRisk.html
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communitiesAtRisk.html
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<html>
<head>
<meta charset="utf-8" />
<meta
name="viewport"
content="initial-scale=1,maximum-scale=1,user-scalable=no"
/>
<title>Alaska Communities at Risk</title>
<style>
html,
body,
#viewDiv {
padding: 0;
margin: 0;
height: 100%;
width: 100%;
}
#topbar {
padding: 10px;
width: 190px;
}
.style-button {
margin: 3px;
}
button:disabled {
opacity: 0.4;
-moz-opacity: 0.4;
-webkit-opacity: 0.4;
cursor: default;
}
#legend {
background-color: #ffffff;
padding: 1em;
}
.legend-title {
margin-top: 0;
font-size: 1.2em;
font-weight: bold;
color: black;
}
</style>
<link
rel="stylesheet"
href="https://js.arcgis.com/4.23/esri/themes/light/main.css"
/>
<script src="https://js.arcgis.com/4.23/"></script>
<script>
require([
"esri/Map",
"esri/layers/CSVLayer",
"esri/views/MapView",
"esri/layers/FeatureLayer",
"esri/layers/VectorTileLayer",
"esri/layers/TileLayer",
"esri/widgets/Legend"
], (Map, CSVLayer, MapView, FeatureLayer, VectorTileLayer, TileLayer, Legend) => {
const template = {
title: "Community Information",
content:
"<p><b>Name:</b> {Name}</p>"
};
// at risk
const csvRenderer = {
type: "simple", // autocasts as new SimpleRenderer()
style: "circle",
symbol: {
type: "simple-marker", // autocasts as new SimpleMarkerSymbol()
size: 8,
//color: "#000000",
material: { color: [0, 0, 0, 0.1] },
outline: {
//style: "dash",
join: "round",
width: 0.8,
//color: [31, 38, 36, 0.5]
color: [0, 0, 0, 0.8]
}
}
};
// supported villages
const csvRenderer2 = {
type: "simple", // autocasts as new SimpleRenderer()
style: "circle",
symbol: {
type: "simple-marker", // autocasts as new SimpleMarkerSymbol()
size: 11,
color: "#f3bb1f",
outline: {
//style: "dash",
join: "round",
width: 1.0,
//color: [31, 38, 36, 0.5]
color: [255, 255, 255, 1]
}
}
};
// labels
const labelClass = {
// autocasts as new LabelClass()
symbol: {
type: "text", // autocasts as new TextSymbol()
color: "#808080",
font: { // autocast as new Font()
family: "Arial",
size: 10,
weight: "bold",
opacity: 0.8
}
},
labelPlacement: "above-center",
labelExpressionInfo: {
expression: "$feature.Name"
},
maxScale: 0,
minScale: 10000000,
};
// communities
const csvLayer = new CSVLayer({
url: "https://whrc.github.io/ArcticMaps/communities.csv",
popupTemplate: template,
copyright: "sites",
renderer: csvRenderer,
labelingInfo: labelClass,
effect: "brightness(1.0) drop-shadow(1px, 1px, 1.2px)"// bloom(0.8, 0.5px, 0.1)"
});
// supported
const csvLayer2 = new CSVLayer({
url: "https://whrc.github.io/ArcticMaps/communities.csv",
definitionExpression: "supported = 1",
popupTemplate: template,
copyright: "sites",
renderer: csvRenderer2,
labelingInfo: labelClass,
effect: "brightness(1.0) drop-shadow(1px, 1px, 1.2px)"// bloom(0.8, 0.5px, 0.1)"
});
const permaRenderer = {
type: "simple", // autocasts as new SimpleRenderer()
maxScale: 72000,
symbol: {
type: "simple-fill", // autocasts as new SimpleMarkerSymbol()
//size: 6,
color: [0, 191, 184, 0.5],
outline: {
// autocasts as new SimpleLineSymbol()
width: 0.5,
color: "white"
}
}
};
const permaFrost2020 = new FeatureLayer({
url: "https://services.arcgis.com/tWF28TdwCm3ZaV7m/arcgis/rest/services/PFI_thresh0_poly_no_ice/FeatureServer",
renderer: permaRenderer
});
permaFrost2020.maxScale = 4244648.868618;
const permaFrost2050_45 = new FeatureLayer({
url: "https://services.arcgis.com/tWF28TdwCm3ZaV7m/arcgis/rest/services/RCP45_2050/FeatureServer",
renderer: permaRenderer,
visible: false
});
permaFrost2050_45.maxScale = 4244648.868618;
const map = new Map({
basemap: {
baseLayers: [
new TileLayer({
portalItem: {
id: "1b243539f4514b6ba35e7d995890db1d" // world hillshade
}
}),
new VectorTileLayer({
portalItem: {
id: "06b93ca75bcc45b9a69fb5d262aaad8c" // community style vector tiles
},
blendMode: "multiply"
})
]
},
layers: [permaFrost2050_45, permaFrost2020, csvLayer, csvLayer2]
});
const view = new MapView({
container: "viewDiv",
map: map,
zoom: 5,
center: [-150, 64],
highlightOptions: {
fillOpacity: 0,
color: [243, 187, 31]
}
});
// add legend
view.ui.add(legend, "bottom-right");
// add layer control
view.ui.add("topbar", "top-right");
const permaFrost2020Button = document.getElementById("permaFrost2020");
const permaFrost2050_45Button = document.getElementById("permaFrost2050_45");
permaFrost2020Button.addEventListener("click", () => {
setLayerVisibility(true, false);
});
permaFrost2050_45Button.addEventListener("click", () => {
setLayerVisibility(false, true);
});
function setLayerVisibility(permaFrost2020Vis, permaFrost2050_45Vis) {
permaFrost2020.visible = permaFrost2020Vis;
permaFrost2020Button.disabled = permaFrost2020Vis;
permaFrost2050_45.visible = permaFrost2050_45Vis;
permaFrost2050_45Button.disabled = permaFrost2050_45Vis;
}
view.popup.viewModel.includeDefaultActions = false;
});
</script>
</head>
<body>
<div id="viewDiv">
<div id="legend">
<img width=250 src="https://whrc.github.io/ArcticMaps/communitiesAtRiskLegend.png" alt="legend">
</div>
</div>
<div id="topbar" class="esri-widget" >
<h2 class="esri-heading"><center>Permafrost</center></h2>
<button
class="esri-button style-button"
id="permaFrost2050_45"
type="button"
>
2050
</button>
<button
class="esri-button style-button"
id="permaFrost2020"
type="button"
disabled
>
Present Day
</button>
</div>
</body>
</html>