GIS Dictionary

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edge

1 [data models] A line between two points that forms a boundary. In a geometric shape, an edge forms the […]

edge connectivity policy

[network analysis] In network datasets, a connectivity policy that defines how one edge may connect to another edge mid-span. There

edge detection

A digital image processing technique for isolating edges in a digital image by examining it for abrupt changes in pixel

edge enhancement

A digital image processing technique for emphasizing the appearance of edges and lines in an image.

edge-edge rule

[network analysis] In geometric networks, a connectivity rule that defines how one edge may connect to another edge through a

edge-junction cardinality

[ESRI software] In connectivity relationships for networks, the number of edges of one type that may be associated with junctions

edge-junction rule

[ESRI software] In geometric networks, a connectivity rule that defines how an edge may connect to a junction.

edgematching

[data editing] A spatial adjustment process that aligns features along the edge of an extent to the corresponding features in

Edit Annotation tool

[ESRI software] A tool on the Annotation toolbar that is used to manipulate geodatabase annotation. Text can be interactively moved,

edit mask

[data editing] The portion of a coverage where the geometry (or geographical features) has been altered, but where topology has

edit session

[ESRI software] In ArcGIS, the environment in which spatial and attribute editing take place. After starting an edit session, a

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