Lab11 Create ArcGIS Online Map
Objectives:
• Learn how to create maps in ArcGIS Online.
Data:
• Project data from lab10
• If you can't access lab10 data, please follow the lab10 tutorial to create the dataset.
Steps:
1. Upload data to ArcGIS Online;
1.1. Open the lab 10 project and open the Thematic map. Make sure you are logged in with your JMU account.
1.2. In Share and publish the weblayer
1.3. Click Analyze, and you may find several error messages. Those errors indicate the data that can't be uploaded to ArcGIS Online directly.
1.4. To resolve the errors, please:
• Remove the basemaps and charts
• Change the County_pop_va and mass_shooting_VA single symbol maps
• Open the map properties and check "allow assignment of unique numerical IDs for sharing web layers."
1.5. Provide data name, summary, and tags. Make sure the data is shared with everyone. Click Publish.
2. Access data in ArcGIS Online
2.1. Once the data is published, go to ArcGIS Online (https://www.arcgis.com/ ) and log in with your JMU account. You may need to provide the organization URL if necessary.
2.2. On ArcGIS Online/Content, you should see the uploaded data. Open the feature layer.
2.3. In Map Viewer, you can perform simple spatial analysis, edit data, and create maps and charts.
2.4. Save the map and provide a name.
3. Create an online proportional symbol map.
3.1. In Layers, select the mass shooting VA layer.
3.2. In Styles
• Choose Injured as Field
• Choose Size as in the Style options.
• In Style options, choose the Color, Size, and classification method you like.
3.3. Enable Clustering
• In Aggergaton, enable clustering.
• In clustering options, add a field to show the sum of injured.
• In clustering labels, choose to show the sum of inquired.
3.4. Save the map.
4. Create an online choropleth map.
4.1. In Layers, select the Pop county va layer.
4.2. In Styles
• Add new Expression, name it pop per sq km, Expression: $feature["B01001_001E"]/$feature["Shape__Area"] *1000000
• Choose Color in the Style options.
• In stele options, choose the Above and below theme and select the Color you prefer
4.3. In Effects, Feature-specific, choose Strong Drop Shadow. In the Expression, select Total Population is greater than the average.
4.4. In Labels, Add label class and choose Name.
• Set the visible range as States to Cities.
• Add a filter to show the labels for counties where the population is above the average.
4.5. Choose the base map you prefer and save the map.
5. Publish your map
5.1. In Share your map, choose Everyone.
5.2. Select Create App, and choose Instant App.
5.3. In the App window, choose the Basic layout.
5.4. Use the default app title and Create App.
5.5. Keep all the default settings.
5.6. In Interactivity, uncheck Search.
5.7. Publish your App. In the share setting, choose Everyone.
6. Copy your App URL in the private mode of your browser.