But representing these features, combined with their attributes, often means encoding something more complex than just geographic location. Symbolization encodes both the where and what components of features. ... Symbolization can show difference (nominal), rank (ordinal), or some numeric measurement (interval or ratio).
What does symbology mean in GIS?
Symbology refers to the way each layer on your map looks - the different icons, their colors, and their size. ... Layers form the primary building blocks in GIS maps. Within each layer, symbols, colors, and text are used to portray important information that describes each of the individual geographic elements.
How can you symbolize a point feature layer?
Symbolize feature layers
- Single symbol—Draw all features in a layer with a common symbol.
- Unique values—Apply a different symbol to each category of features within the layer based on one or more fields.
- Graduated colors—Show quantitative differences in feature values with a range of colors.
