Tag: Visualization

Thematic point clustering for data exploration

Clustering in the ArcGIS API for JavaScript is enabled outside the renderer, so clusters retain renderer properties and summarize the variable of interest on a cluster-by-cluster basis. In the example above, New York City 311 calls are visualized by the time of day each incident was reported. Cluster colors indicate the predominant time of day incidents were reported among features comprising the cluster.

Extracting meaningful information from large or dense point datasets can be challenging. Sometimes many points aren’t visible because they’re stacked on top of one another. Some datasets contain sparse data in some locations, but very dense data in others. Visualizations … Continue reading

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Speed up your JavaScript development with autocasting

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In the 4.5 release of the ArcGIS API for JavaScript, autocasting support was expanded to all renderers, symbols, and symbol layers. This means that symbols and renderers can be created programmatically without importing their modules. All you need to do … Continue reading

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What’s New in ArcGIS Maps for SharePoint 4.2

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ArcGIS Maps for SharePoint is our SharePoint add-in that allows you to add maps to your SharePoint sites, load ArcGIS data on them, and share that location info across your organization. For more information on what Maps for SharePoint can … Continue reading

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Publishing tiles from features: efficient, automatic, and economical

ArcGIS Online

With the June 2017 ArcGIS Online release, tile layers have evolved; When publishing hosted tile layers from hosted feature layers, you can create tiles automatically. Choosing automatic means you don’t have to worry about building your tile cache ahead of … Continue reading

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Creating a predominance visualization with Arcade

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At the March 2017 Esri Developer Summit, Dave Bayer and I gave a presentation on how to use Arcade expressions in web apps built on the ArcGIS platform. In that presentation I demonstrated a succinct way to create a predominance … Continue reading

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What’s New in ArcGIS Maps for Power BI (May 2017)

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We continue to update Maps for Power BI on a nearly monthly update cycle, and this month we bring interactive drive times, a new tooltip field well, and localized support for many languages.

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Visualizing data in web apps: leveraging the platform

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The ArcGIS API for JavaScript contains powerful visualization capabilities that bring your data to life on the web. Some of these include using unclassified or classified color, size, opacity, and any combination of them to visualize numbers; unique symbols for … Continue reading

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Take advantage of the JavaScript symbol playground

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The 4.3 release of the ArcGIS API for JavaScript introduced an app called the Symbol Playground. Its purpose is to provide an environment where you can design 2D or 3D symbols with a simple user interface, copy the code used … Continue reading

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Enliven your web apps with custom actions

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The 4.x series of the ArcGIS API for JavaScript introduced the concept of actions. An action is a task that can be triggered by a user by clicking its simple button interface. For example, clicking the magnifying glass button on … Continue reading

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Smooshing Layers Together for Normalized Maps

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If you orbit anywhere near GIS, you probably saw the seminal cultural comment on non-normalized mapping from the one and only Randall Munroe. If you are a cartographer, you probably took it to heart and gave it a gleeful barbaric … Continue reading

Posted in Analysis & Geoprocessing, ArcGIS Online, Cartographic Design, Geodata, Mapping, Story Maps, Uncategorized, Web | Tagged , , , , , | 2 Comments