How is the symbol that is used to draw a given feature determined?
The symbol used to draw each feature is built by combining the corresponding symbol in the primary symbology and the corresponding symbol from the secondary symbology. A simple rule to remember is that the symbol from the primary symbology will be used, and either its color or size will be overwritten based on the properties of the secondary symbol. Understand that ANY symbol property that you set on the secondary symbol, other than color or size, will just be ignored. Here are the details on how this works: • The base symbol always comes from the primary symbology. This symbol’s color OR size is modified based on the properties of the secondary symbology. • If you choose Color Ramp as your secondary symbology, then part of the color definition comes from the secondary symbol. The HSV color model is used (Hue, Saturation, and Value). Saturation and Value come directly from the secondary symbol, and the base symbol (that is, the primary symbol) keeps its Hue value. For example, if the p
