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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
/>
<title>Esri Dev Summit 2022 - ArcGIS JS API: Client-side 3D analysis</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link href="https://fonts.googleapis.com/css2?family=Fira+Code&display=swap" rel="stylesheet" />
<link rel="stylesheet" href="./reveal.js/dist/reset.css" />
<link rel="stylesheet" href="./reveal.js/dist/reveal.css" />
<link rel="stylesheet" href="./reveal.js/dist/theme/black.css" />
<link rel="stylesheet" href="./resources/highlighting-theme.css" />
<link rel="stylesheet" href="./resources/main.css" />
</head>
<body>
<div class="reveal">
<div class="slides">
<section data-background="img/2022/dev-summit/bg-1.png" data-background-size="cover">
<h1 style="text-align: left; font-size: 60px">
ArcGIS API for JavaScript:<br />
Client-Side 3D Analysis
</h1>
<p style="text-align: left; font-size: 30px; color: var(--r-section-subhead-color)">
Hugo Campos & Yannik Messerli
</p>
<p style="text-align: left; font-size: 30px">
Slides:
<a href="https://esridevsummit.github.io/DS2022-Client-Side-3D-Analysis/"><code>https://esridevsummit.github.io/DS2022-Client-Side-3D-Analysis/</code></a>
</p>
</section>
<section data-background="img/2022/dev-summit/bg-3.png">
<h2 id="agenda">Agenda</h2>
<ul>
<li>
Analysis
<ul style="font-size: 80%">
<li>Direct line measurement</li>
<li>Area Measurement</li>
<li>Line Of Sight</li>
<li>Slice</li>
<li>Elevation Profile</li>
<li>Shadow Analysis</li>
</ul>
</li>
<li>Filtering & Querying</li>
</ul>
</section>
<!--
DirectLineMeasurement
-->
<section
class="align-left"
data-slideId="direct-line-measurement"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>DirectLineMeasurement3D widget</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-widget" class="code-snippet play-container">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new DirectLineMeasurement3D({
view
});
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
<div
data-fragment-id="set-units"
class="code-snippet fragment play-container"
min-height
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
widget.viewModel.unit = "feet";
widget.viewModel.unitOptions = [
"feet",
"yards",
"miles"
];
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/direct-line-measurement/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="direct-line-measurement-analysis"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>DirectLineMeasurementAnalysis</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="click-event" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
view.on("click", async (event) => {
const { results } = await view.hitTest(event);
const clickedPoint = results
.find((r) => r.graphic)?.graphic?.geometry;
if (!clickedPoint) return;
const { x, y, z } = clickedPoint;
showAlert(`Clicked ${[x, y, z]}`);
});
</code>
</pre>
</div>
<div data-fragment-id="add-analysis" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const palmSpringsPoint = new Point({ x, y });
const analysis =
new DirectLineMeasurementAnalysis({
startPoint: clickedPoint,
endPoint: palmSpringsPoint
});
view.analyses.add(analysis);
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/direct-line-measurement-analysis/"></iframe>
</div>
</div>
</section>
<!--
AreaMeasurement
-->
<section
class="align-left"
data-slideId="area-measurement"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>AreaMeasurement3D widget</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-widget" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new AreaMeasurement3D({
view
});
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
<div data-fragment-id="set-units" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
widget.viewModel.unit = "square-meters";
widget.viewModel.unitOptions = [
"square-meters",
"square-kilometers"
];
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/area-measurement/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="area-measurement-analysis"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>AreaMeasurementAnalysis</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-analysis" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const analysis = new AreaMeasurementAnalysis({
geometry: clickedGraphic.geometry
});
view.analyses.add(analysis);
</code>
</pre>
</div>
<div data-fragment-id="add-to-widget" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim >
const widget = new AreaMeasurement3D({
view,
analysis
});
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/area-measurement-analysis/"></iframe>
</div>
</div>
</section>
<!--
LineOfSight
-->
<section
class="align-left"
data-slideId="line-of-sight"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>LineOfSight widget</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-widget" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new LineOfSight({ view });
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/line-of-sight/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="line-of-sight-analysis"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>LineOfSightAnalysis</h2>
<div class="two-columns">
<div class="left-column r-stack no-margin">
<div data-fragment-id="init" class="code-snippet">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const landmarks = [{
name: "Neues Rathaus",
threshold: 5,
position: new Point({ /* ... */ }),
},
// ...
}];
const cafes = [{
name: "Cafe 1",
position: new Point({ /* ... */ })
},
// ...
}];
</code>
</pre>
</div>
<div class="fragment v-stack">
<div data-fragment-id="add-buttons" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const landmarkTargets = landmarks.map((l) =>
new LineOfSightAnalysisTarget({
position: l.position
})
);
button.onclick = () => {
const analysis = new LineOfSightAnalysis({
observer: new LineOfSightAnalysisObserver({
position: cafe.position
}),
targets: landmarkTargets
});
// ...
};
</code>
</pre>
</div>
<div data-fragment-id="add-widget" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new LineOfSight({
view,
analysis
});
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/line-of-sight-analysis/"></iframe>
</div>
</div>
</section>
<!--
Slice
-->
<section
class="align-left"
data-slideId="slice"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>Slice widget</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-widget" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new Slice({ view });
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
<div data-fragment-id="tilt-enabled" class="code-snippet fragment play-container">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
widget.viewModel.tiltEnabled = true;
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/slice/index.html"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="slice-analysis"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>SliceAnalysis</h2>
<div class="two-columns">
<div class="left-column r-stack no-margin">
<div data-fragment-id="init-data" class="code-snippet">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const slidesAndPlanes = [{
title: "Front",
shape: new SlicePlane({ /* ... */ }),
}, {
title: "Top",
shape: new SlicePlane({ /* ... */ }),
}];
</code>
</pre>
</div>
<div class="fragment v-stack">
<div data-fragment-id="add-buttons" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
slidesAndPlanes.forEach(({ title, shape }) => {
const slide = view.map.presentation.slides
.find((s) => s.title.text === title);
const button = createButton();
button.addEventListener("click", () => {
const analysis = new SliceAnalysis({ shape });
view.analyses.removeAll();
view.analyses.add(analysis);
slide.applyTo(view);
});
});
</code>
</pre>
</div>
<div data-fragment-id="add-widget" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new Slice({ view, analysis });
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/slice-analysis/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="elevation-profile"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>ElevationProfile widget</h2>
<div class="two-columns">
<div class="left-column">
<div data-fragment-id="add-widget" class="code-snippet">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new ElevationProfile({
view
});
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
<div data-fragment-id="set-profiles" class="code-snippet fragment">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
widget.profiles.push(
new ElevationProfileLineView({
type: "view",
title: "Layers",
color: "#555555",
exclude: [view.map.ground],
})
);
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/elevation-profile/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="elevation-profile-csv"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>Exporting profile data</h2>
<div class="two-columns">
<div class="left-column">
<div class="code-snippet" style="font-size: 0.9em">
<pre>
<code class="lang-ts" data-trim >
async function downloadCSV() {
const groundProfile = widget.profiles.getItemAt(0);
await reactiveUtils.whenOnce(() => {
return groundProfile.progress === 1;
});
exportToCSV(groundProfile.samples);
}
</code>
</pre>
</div>
<div
data-fragment-id="add-export-button"
class="code-snippet fragment"
style="font-size: 0.9em"
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim >
function exportToCSV(samples) {
const fields = ["distance", "x", "y", "elevation"];
const csv = new json2csv.Parser({ fields })
.parse(samples);
const blob = new Blob([csv], {
type: "text/csv;charset=utf-8"
});
saveAs(blob, "profile-data.csv");
}
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/elevation-profile/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-slideId="shadow-cast"
data-background="img/2022/dev-summit/bg-3.png"
>
<h2>Shadow analysis</h2>
<div class="two-columns">
<div class="left-column r-stack no-margin">
<div
data-fragment-index="0"
data-fragment-id="add-daylight"
class="code-snippet fragment fade-out"
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new Daylight({ view });
view.ui.add(widget, "top-right");
</code>
</pre>
</div>
<div
data-fragment-index="0"
data-fragment-id="add-shadow-cast"
class="code-snippet fragment"
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const widget = new ShadowCast({ view });
view.ui.add(widget, "top-right");
// Show only accumulated shadows
view.environment
.lighting.directShadowsEnabled = false;
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/shadow-cast/"></iframe>
</div>
</div>
</section>
<section class="align-left" data-background="img/2022/dev-summit/bg-3.png">
<h2>Documentation & Resources</h2>
<div style="display: flex; align-items: flex-start; font-size: 0.9em; gap: 50px">
<ul>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-DirectLineMeasurement3D.html"
>
API Docs: DirectLineMeasurement3D
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-AreaMeasurement3D.html"
>
API Docs: AreaMeasurement3D
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-LineOfSight.html"
>
API Docs: LineOfSight
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-Slice.html"
>
API Docs: Slice
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-ElevationProfile.html"
>
API Docs: ElevationProfile
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/api-reference/esri-widgets-ShadowCast.html"
>
API Docs: ShadowCast
</a>
</li>
</ul>
<ul class="align-left">
<li>
<a
href="https://developers.arcgis.com/javascript/latest/sample-code/widgets-measurement-3d/"
>
Sample: Measurement in 3D
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/sample-code/widgets-line-of-sight/"
>
Sample: LineOfSight widget
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/sample-code/building-scene-layer-slice/"
>
Sample: Slice widget
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/sample-code/widgets-elevation-profile/"
>
Sample: ElevationProfile widget
</a>
</li>
<li>
<a
href="https://developers.arcgis.com/javascript/latest/sample-code/widgets-shadow-cast/"
>
Sample: ShadowCast widget
</a>
</li>
</ul>
</div>
</section>
<section class="align-left" data-background="img/2022/dev-summit/bg-4.png">
<div>
<h1>Querying and Filtering a SceneLayer</h1>
</div>
</section>
<!-- <section class="align-left" data-background="img/2022/dev-summit/bg-3.png">
<h2>Loading the WebScene</h2>
<div class="two-columns">
<div class="left-column">
<div class="code-snippet">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
webscene = new WebScene({
portalItem: {
id: "a350d4d2b71a40a6a95031d25da9535f"
}
})
view = new SceneView({
map: webscene,
container: "viewDiv"
});
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe
data-src="./src/samples/queries-and-filters/01-custom-popups/index.html"
></iframe>
</div>
</div>
</section> -->
<section
class="align-left"
data-background="img/2022/dev-summit/bg-3.png"
title="filter-attribute"
>
<h2>Filtering by Attributes</h2>
<div class="two-columns">
<div class="left-column">
<div class="r-stack no-margin">
<div class="code-snippet">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
webscene = new WebScene({
portalItem: {
id: "a350d4d2b71a40a6a95031d25da9535f"
}
})
view = new SceneView({
map: webscene,
container: "viewDiv"
});
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="class-break">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
layer.renderer = new ClassBreaksRenderer({
field: "yearCompleted",
classBreakInfos: [
{
minValue: 1900,
maxValue: 1924,
symbol: { ... }
},
/* ... */
]
});
</code>
</pre>
</div>
</div>
<div class="code-snippet fragment" data-fragment-id="first-filter">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim>
layer.outFields = ["yearCompleted"];
layerView.filter = new FeatureFilter({
where: `yearCompleted > 1950`
});
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="remove-filter">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim>
layerView.filter = null;
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/filter-attribute/"></iframe>
</div>
</div>
</section>
<section data-background="img/2022/dev-summit/bg-3.png">
<h2>Filters vs Queries</h2>
<img src="./src/images/filter_vs_query.png" width="800px" />
</section>
<section
class="align-left"
data-background="img/2022/dev-summit/bg-3.png"
title="query-attribute"
>
<h2>Attribute Queries</h2>
<div class="two-columns">
<div class="left-column">
<div
class="code-snippet fragment fade-in-then-semi-out"
data-fragment-id="query-attribute"
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const center = new Point({ x: ..., y: ... });
layer.outFields = ["solarAreaSuitableM2"];
const query = layerView.createQuery();
query.geometry = center;
query.distance = 100;
query.where =
"solarAreaSuitableM2 BETWEEN 400 AND 500";
const result =
await layerView.queryFeatures(query);
layerView.highlight(result.features);
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="query-server">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const query = layer.createQuery();
query.where =
"solarAreaSuitableM2 BETWEEN 400 AND 500";
const result = await layer.queryFeatures(query);
layerView.highlight(result.features);
</code>
</pre>
</div>
<div class="code-snippet fragment play-container" data-fragment-id="highlight-remove">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim>
highlightHandle.remove();
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/query-attributes/"></iframe>
</div>
</div>
</section>
<section
class="align-left"
data-background="img/2022/dev-summit/bg-3.png"
title="query-statistic"
>
<h2>Statistic Queries</h2>
<div class="two-columns">
<div class="left-column">
<div class="code-snippet">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
query.outStatistics = [
new StatisticDefinition({
outStatisticFieldName: "sum_area",
onStatisticField: "solarAreaSuitableM2",
//supports min, max, sum, std, ...
statisticType: "sum"
})
]);
</code>
</pre>
</div>
<div
class="code-snippet fragment fade-in-then-semi-out"
data-fragment-id="statistic-query"
>
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const response =
await layerView.queryFeatures(query);
output("Total area: "
+ response.features[0].attributes.sum_area);
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="statistic-query-server">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const response =
await layer.queryFeatures(query);
output("Total area: "
+ response.features[0].attributes.sum_area);
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/statistical-queries/"></iframe>
</div>
</div>
</section>
<!-- <section
class="align-left"
data-background="img/2022/dev-summit/bg-3.png"
title="query-statistic"
>
<h2>Statistic Queries</h2>
<div class="two-columns">
<div class="left-column">
<div class="code-snippet">
<button class="play" id="statistic-2"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
query.outStatistics = [
/* ... */
{
outStatisticFieldName: "area_400_500",
onStatisticField:
`CASE WHEN (solarAreaSuitableM2 < 500 AND
solarAreaSuitableM2 >= 400) THEN 1 ELSE 0 END`,
statisticType: "sum"
},
/* ... */
]);
query.where = "usage = 'industrial'";
layerView.queryFeatures(query).then(function(response) {
chart.update(response.features[0].attributes);
}).catch(console.error);
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/queries-and-filters/05-query-statistic/"></iframe>
</div>
</div>
</section> -->
<section
class="align-left"
data-background="img/2022/dev-summit/bg-3.png"
title="spatial"
>
<h2>Spatial Filters and Queries</h2>
<div class="two-columns">
<div class="left-column">
<div class="code-snippet" data-fragment-id="sketch-widget">
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const sketch = new Sketch({
layer: sketchLayer,
view: view
});
sketch.on("create", (event) => {
layerView.filter.geometry =
event.graphic.geometry
});
sketch.on("update", (event) => {
layerView.filter.geometry =
event.graphics[0].geometry
});
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="query-and-filter">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
const response =
await layerView.queryFeatures(query);
</code>
</pre>
</div>
<div class="code-snippet fragment" data-fragment-id="query-and-filter-2">
<button class="play"></button>
<pre>
<code class="lang-ts" data-trim data-line-numbers>
layerView.filter = null;
const query = layerView.createQuery();
query.geometry = geometry; // from sketch widget
query.spatialRelationship = "contains";
query.where = ...
</code>
</pre>
</div>
</div>
<div class="right-column">
<iframe data-src="./src/samples/filters-and-queries/"></iframe>
</div>
</div>