What does DLG stand for in geographic information science?

DLG stands for Digital Line Graph, which is a format used in geographic information science to represent cartographic data. Digital Line Graphs contain vector data that describes linear features such as roads, rivers, and utility lines, providing a digital representation of traditional paper maps. This format is essential because it allows for precise analysis, editing, and integration with other geographic data within Geographic Information Systems (GIS).

The Digital Line Graphs leverage the capabilities of modern GIS tools, enabling users to perform spatial analysis, map creation, and data visualization effectively. This functionality is critical in various applications, including urban planning, transportation, and environmental management, where understanding the spatial relationships between linear features is necessary.