You can organize unique value categories by adding headings. Once ungrouped, the new categories share the previously assigned symbol, which you can change as desired. You can ungroup categories by right-clicking the category and clicking Ungroup Values.Ī new category is created for each field value.
Click Group Values to combine selected values into one category. Right-click the highlighted categories to open the shortcut menu. Select the symbol categories you want to combine in the symbol display by holding down the CTRL key to select multiple categories (rows). If you want to display fewer categories, you can combine similar categories into one to help make the patterns more apparent. Most people can discern between five and seven categories for a given layer. Add Values allows you to select a subset of the field values to include as categories in your layer display. Click Match symbols or Add Values to identify the categories you want to display. The matching symbols in this style are used to portray the features in your layer. Set the style that contains your category names as symbol names. Select the field that assigns the same category values to each feature as the symbol names in the style. Choose the Match to symbols in a style option under Categories in the left-hand renderer list. The shared style file would mean that each user would create road class layers that use common symbology for this layer. For example, you might use a standard road class style shared by many organizations to set the road class values that you populate in your feature classes. This allows you to use an existing style and its symbol names as the field values to set your layer categories for display. Under Categories, you can select Match to symbols in a style for layer display. Using Match to symbols in a style to display categories 
Right-click the symbol for each category to modify its symbol properties or to choose another symbol. Identify the symbology you want to use to display your categories.Add Values allows you to select a subset of the field value combinations to include as categories in your layer display.
#Arcgis 10.3 layer vs. feature class series
The fields designate a series of unique field value combinations that define your layer categories. Click Add All Values or Add Values to identify the categories you want to display.Select up to three fields to define the categories.Choose the Unique values, many fields option under Categories in the left-hand renderer list.For example, you might use road class and speed limit to specify your layer categories and assign symbols based on these two fields. This allows you to use multiple fields to set your layer categories. Under Categories, you can choose Unique values, many fields for layer display. Using Unique values, many fields to display categories Do this by right-clicking the symbol for each category to modify its symbol properties or to choose another symbol. Select the field containing the categories.Choose the Unique values option under Categories in the left-hand renderer list.Click the Symbology tab on the Layer Properties dialog box. Right-click on the layer and click Properties.For example, on a land-use map, each land-use type is displayed using a specific color. In a unique values layer, you draw features based on an attribute value, or characteristic, that identifies categories. You use ArcMap to assign a symbol to each unique value of a specified field. Using Unique values to display categories Attributes that uniquely identify a feature such as its nameĪrcMap has a number of options for displaying a layer using categories.
Attributes describing the class, type, condition, or status of a feature. This topic describes how.Īttributes like the following are generally used to display features in categories: Using categories, you can assign different symbols to represent each category defined by unique attribute values. Managing the symbol display of your layersĪ category describes a set of features with the same attribute value-for example, parcels categorized by a land-use value such as residential, commercial, or industrial. Using Match to symbols in a style to display categories. Using Unique values, many fields to display categories. Using Unique values to display categories.
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