What is graduated symbology?
Graduated symbols are used to show a quantitative difference between mapped features by varying the size of symbols. This means you can design a set of symbols that have sufficient variation in the size that represents each class of data to make them distinguishable from one another.
What is graduated color map?
Graduated color symbology is used to show a quantitative difference between mapped features by varying the color of symbols. Data is classified into ranges that are each assigned a different color from a color scheme to represent the range. Maps that vary in color this way are usually called choropleth maps.
How are the symbols drawn in graduated symbology?
When graduated symbology is based on a single field, the symbols are drawn in a sorted order where the larger features draw first and the smaller features draw above them. When the symbology is based on an expression, this sorting does not occur, and some smaller symbols might be obscured by larger ones.
How to draw a layer with graduated symbols?
To draw a layer with graduated symbols, follow these steps: Select a feature layer in the Contents pane. On the Appearance tab, in the Drawing group, click Symbology and click Graduated Symbols. The Symbology pane appears.
Where do I find graduated symbols in ArcGIS Pro?
Select a feature layer in the Contents pane. On the Appearance tab, in the Drawing group, click Symbology and click Graduated Symbols. The Symbology pane appears. In the Symbology pane, on the Primary symbology tab , choose the numeric field for the data to be mapped, or write an expression.
How are graduated symbols used in classification schemes?
Graduated symbols are used to show a quantitative difference between mapped features by varying the size of symbols. Data is classified into ranges that are each then assigned a symbol size to represent the range. For instance, if your classification scheme has four classes, four different symbol sizes are assigned.