Tag: jsapi4

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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Mapping art in 3D

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I regularly check the Open Data portals because there’s always some new, interesting dataset out there. Recently, I stumbled upon data of independent art galleries in New York City on the NYC OpenData portal and decided to create a scene with them. I … Continue reading

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Exploring 3D object data in a custom web app

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In a session titled 3D Visualization with the ArcGIS API for JavaScript at the 2017 Esri User Conference (UC), Javier Gutierrez and I demonstrated some of the new visualization capabilities available in the JavaScript API. I’m particularly excited about Smart … Continue reading

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Manhattan Skyscraper Explorer – when Open Data and ArcGIS API for JavaScript meet

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Open data is an awesome thing nowadays. It’s amazing how many organizations publish their data to allow citizens to learn more about the city they live in. Examples of such datasets are the New York 3D city model and the Housing … Continue reading

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ArcGIS API for JavaScript Versions 4.4 and 3.21 Are Here!

The latest releases of the ArcGIS API for JavaScript are packed with useful new enhancements and capabilities. Version 4.4 gives you more control over visualizing and interacting with 3D data, includes deeper web map support, and brings in OGC layer types (WMS and WTMS). Both 3.21 and 4.4 also enable vector tile layer printing and the ability to script pop-up content using Arcade (which is particularly useful if you need to calculate a new value to display using your attribute data). Here are some of the highlights of these two new releases. For a complete list, see the 4.4 and 3.21 release notes.

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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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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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ArcGIS API for JavaScript 4.3 and 3.20 released

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We are excited to announce the releases of both the 4.3 and 3.20 versions of the ArcGIS API for JavaScript. Version 4.3 continues to build upon its current functionality and bring existing features from 3.x into 4 while also introducing … Continue reading

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DevSummit Technical Session Guide for the Web Developer

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The 2017 Esri Developer Summit in Palm Springs, CA is right around the corner! It will feature a lineup of more than 50 technical sessions and demo theaters focused on web development topics. With so many to choose from, the … Continue reading

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