Tag: CSV

Create a Story Map Tour using a spreadsheet

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A popular story map is Story Map Tour, used for Palm Springs Map Tour, San Diego Mission Bay Reserve, and many other interesting stories. This app is ideal when you want to present a linear, place-based narrative featuring images or videos. … 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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Authoring maps that update using CSV files

bern-online

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 Dropbox files in ArcGIS Online web maps

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If you’re a Dropbox user there’s a number of ways that you can use Dropbox files with your ArcGIS Online web maps. Here’s a few tips and details on how. Using Dropbox share links Dropbox share links provide access to … Continue reading

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Tip: Using proper file encoding for TXT and CSV file in ArcGIS Online

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When working with comma-separated value (CSV) files it’s important to consider the file encoding for use in ArcGIS Online. ArcGIS Online web maps, and the Web in general, expects UTF-8 encoding. You can view the Wikipedia entry for UTF-8 for … Continue reading

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Excel Tips for ArcGIS Online

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(Contributed by: Owen Evans, Esri Federal team solutions engineer) Microsoft Excel is a useful application for reviewing and manipulating data and it can also save spreadsheets as CSV or TXT files that can be published as maps on ArcGIS Online.  … Continue reading

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Using Yahoo! Pipes to create dynamic map layers

Yahoo! Pipes are a handy way to aggregate web feeds and other information from various sources. One way to think of Pipes is as a way to create data/information mashups, just like we can create ArcGIS Online web maps by mashing up a variety of map layers. An interesting aspect of Pipes is that we can leverage them in the context of our ArcGIS Online web maps, and use them to create dynamic layers using URL-located KML or CSV files as mappable information sources.

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Using Google Docs in your ArcGIS Online maps

In a previous post, we covered how you can use a spreadsheet (CSV file) from a Web location to add a layer to your ArcGIS Online map. You can do the same using Google Docs by following these simple steps.

In this example we have a Google Docs spreadsheet of crime locations containing latitude and longitude values. Under File choose Publish to the Web.

Image of a Google Docs spreadsheet Continue reading

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Drag-and-Drop Questions and Answers

Just a couple of weeks ago ArcGIS Online webmaps and apps were updated to support adding spreadsheets (CSV files), text files, GPX files, and shapefiles (and much more in the July and August updates). Since then we’ve had a number of questions specifically about the support for these data types and drag-and-drop, and here’s a list of the common ones that we’ve been asked, along with their answers.

Q: I noticed drag-and-drop doesn’t seem to work for me, what’s up with that?

A: Drag-and-drop is not supported by all browsers. For example, Internet Explorer currently does not support drag-and-drop of files, but Chrome and Firefox do. For you geeks, it’s the File API that is used to manage drag-and-drop in the applications, and caniuse.com publishes the complete list of browser support.

Q. ArcGIS Explorer Online does not seem to support KML, will it ever?

A. As much as possible we try to keep the supported common features in the webmap seamless across the ArcGIS.com map viewer and Explorer Online, but this isn’t always possible. KML will supported in Explorer Online is a forthcoming update.

Q. What happens when I add a CSV or shapefile?

A. When you import a CSV or shapefile the features in the source become features in a feature layer in your map. They’re saved with the map, and can be viewed by anyone you share your map with. 

Q. How many features can I add?

A. There is a 1000 feature limit, though depending on the source data and other factors (like which browser you use) you will find the practical limit to be a little more, or less, and your import mileage may vary. For example, you can easily add 1000 points from a spreadsheet and expect good performance using Chrome or Firefox. But depending on the complexity of polygons in a shapefile (number of vertices, etc.)

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How to fix ZIP codes from a CSV file

By Jim Herries, Esri Cartographic Product Engineer

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Comma-separated value (.CSV) files are sometimes used to import attribute data into ArcMap to join those attributes to existing map features, such as administrative boundaries (counties, states, provinces) and postal codes. However, chances are good that if you work with .CSV files you will run into the problem below at some point.

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