GIS Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
U. Ud Ui Um Un Up Ur Us Ut Uv

update-gram

[ESRI software] In ArcGIS, the programming object that holds updates in a delta file.

upstream

[network analysis] In network tracing, the direction along a line or edge that opposes the direction of flow.