Bern Szukalski

Bern Szukalski
Chief technology evangelist and product strategist at Esri, focusing on ways to broaden access to geographic information and helping users succeed with the ArcGIS Platform. Follow @bernszukalski

Recent Posts

Using tile packages for publishing hosted tile layers

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You can publish your maps and data as hosted web layers on ArcGIS Online. These hosted services come in two types: feature layers and tile layers. Tile layers support fast visualization of large datasets using a collection of predrawn map … Continue reading

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Features vs. feature services in ArcGIS Online

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When adding features to your map from local data files, such as text files, CSV files, or shapefiles, the data contained in those files needs to be web-enabled before it can be used in a web map or app. There … Continue reading

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Add tweets to your web map

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Twitter is a free social networking microblogging service that allows users to broadcast short posts called tweets. It’s used widely by individuals, as well as federal and local government agencies, organizations, and businesses. Tweets can include location (a user account … Continue reading

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Create a Presentation With Your Map

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Web map presentations are a great way to communicate and inform others, whether your audience is internal staff, decision makers, or the public.  A presentation allows you to tell a sequential story with information in a map, and is composed … Continue reading

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Refreshing dynamic layers automatically

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Some layers in your web map may be dynamic, meaning they are being updated at regular intervals. For example, a GeoRSS feed, earth observations from the Living Atlas, or a feature service being updated by workers performing edits while in … Continue reading

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Authoring maps that update using CSV files

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Comma-separated Value files (CSV) and text files can be added from local files or referenced from URL locations on the Web. An interesting feature of adding CSV and text files via URL locations is that each time you open your map, or otherwise refresh the … Continue reading

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Using KML in ArcGIS Online web maps

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KML (Keyhole Markup Language) is an XML-based format used to represent geographic features. Original developed for Keyhole’s Earth Viewer, KML became ubiquitous when Keyhole was acquired by Google, and Earth Viewer became Google Earth. KML is supported throughout ArcGIS in … Continue reading

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Using GPS data in ArcGIS Online web maps

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GPS data, whether waypoints, tracks, or routes, can be easily added to your ArcGIS Online web maps. Here’s a closer look at how you can use GPS data, plus some tips on getting more information out of your GPS locations. … Continue reading

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Coogan Farm: Going back in time using NAIP and Story Maps

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The historic Coogan Farm is an undeveloped 34-acre parcel located near Stonington, Connecticut. In 2013 The Trust for Public Land (TPL) partnered with the Denison Pequotsepos Nature Center (DPNC) to purchase the farm, ensuring it will be protected. The landscape is changing all … Continue reading

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An alternative “View Larger Map”

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ArcGIS Online web maps are easy to embed in websites and blogs. To embed your map follow these steps. Step 1. Click Share Step 2. Share the map publicly Step 3. Choose Embed In Website (Note that you can embed … Continue reading

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