Tag: JavaScript

Unwinding the Clock: Visualizing Time with Arcade

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Recording times and dates can be invaluable during the data collection phase of a project. Date data help us answer questions like, “When did this incident occur?”, “How long did it take to accomplish task A?”, or “What assets are … Continue reading

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Web AppBuilder for ArcGIS v2.6 Developer Edition Now Available!

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FYI: Web AppBuilder for ArcGIS v2.6 Developer Edition is now available for download from the ArcGIS Developer’s Site.

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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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FeatureLayer rendering: taking advantage of WebGL in 2D

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The 4.5 version of the ArcGIS API for JavaScript allows users to opt in to rendering FeatureLayer with WebGL (beta) in 2D MapViews. This is a major step in improving the overall performance of FeatureLayer, providing you with the ability … Continue reading

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ArcGIS API for JavaScript versions 4.5 and 3.22 released

Version 4.5 of the ArcGIS API for JavaScript adds some key capabilities and several smaller (but sweet) enhancements that will come in handy. Here are the highlights in 4.5 (as well as 3.22); a full overview detailing new features can be found in the release notes. Continue reading

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Top Five Reasons to Attend DevSummit Europe in Berlin

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We are counting down the days to DevSummit Europe in Berlin! We hope that you are too, and if you’re still not sure if this is the event for you, check out our Top Five Reasons why we feel it … Continue reading

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React Redux: Building Modern Web Apps with the ArcGIS JS API

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I would like to share my experience building a React Redux app with the ArcGIS API for JavaScript (ArcGIS JS API). It is exciting how well these work together. I will also share some boilerplate source code to help you … Continue reading

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Never Want DevSummit to End? Keep It Rollin’ with the GeoDev Webinars!

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The Developer Outreach Team is proud to announce the solution to your DevSummit withdrawals! We listened and are excited to keep the greatest developer event going throughout the year via our GeoDev Webinar series. For more on this, check out … Continue reading

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Web AppBuilder for ArcGIS v2.5 Developer Edition Now Available!

NewLogoJune2017

Following on last week’s busy User Conference, we are happy to announce that Web AppBuilder for ArcGIS v2.5 Developer Edition is now available for download from the ArcGIS Developer’s Site.

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