Hilton Head Island: ArcGIS Online

To add the data compiled by our team, simply click on the Add button on the top left menu, and select Search for Layers. follow the details below:Adding data from users at Clemson: Baselayers

- Find: Hilton Head

- In: My Organization

Click the Add button next to the Hilton_Heald_Baselayers item.

At the bottom of the menu, click DONE ADDING LAYERS.

Notice all the new layers added to your map. You can check the box to the left of them to make them visible or invisible on the map on the right. Let's focus on schools. Click on any school symbol in your map. Notice the pop-up window with attributes such as school name, FIPS code, and elevation in meters. You can view all of the attributes by simply clicking on the table icon under the layer name (Daufuski Baselayers - Schools).

To rename your layer, click on the ... under the layer name and select Rename. Change it to simply Schools. Do the same for Highways and Churches. You can see the legend for each dataset by clicking the legend symbol immediately to the left of the attribute table symbol. To contract the legend view, click on the legend symbol again (notice the arrow pointing down now)

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Adding data from other sources: Intact Habitat Cores

Let's add a dataset created by an external source. In the Add menu, select Search for Layers and change the settings to:

- Find: habitat

- In: Living Atlas Layers

Scroll down until you find the layer Intact Habitat Cores by Esri_GI. To find the metadata for this layer, click on ... and select Show Item Details. Who created this dataset? When? How was it created?

Practice adding other layers using the same search as: Percent of Coral Reefs at Risk, USA NLCD Land Cover GAP, USA Wetlands, USA Surface Water and USA Development Risk. Check out the legend for the Land Cover data. How would you find out what the classification means?

Notice there are no coral reefs in HiltonHead. To remove this layer, click on ... and select Remove.

Changing the Symbology

Let's take a look at the Block Group layer. Expand its content by clicking on the layer name. Open the attribute table .Notice the field POP10_SQMI. That is population in 2010 (the last census, per square mile). Now let's symbolize that! Click on the Change Style button under the name of the layer. Notice the attribute that is used for symbolizing the features in that layer. Under section 2 (Select a drawing style), click the OPTIONS button.

Notice the USA Households by Census Block layer. Follow similar steps to change its symbology from using a color ramp to using size based on number of households.

Basic Analysis