GIS

A plot of a digitized map for error checking

A tolerance for snapping points and lines. It is functionally similar to fuzzy tolerance.

An arc that has the same polygon on both its left and right sides and a dangling node at the end of the arc.

A tolerance that specifies the minimun length for dangling arcs on an output coverage.

A node at the end of an arc that is not connected to other arcs.

A measure of how exactly data such as the location data of x- and y-coordinates are recorded.

A computer algorithm for line simplification.

An editing operation that matches lines along the edge of a layer to lines of an adjacent layer.

A tolerance that specifies the miniumum distance between vertices on a coverage.

The process of simplifying or generalizing a line by removing some of the line's points.

The process of smoothing a line by adding new points, which are typicaly generated by a mathermatical function such a spline, to the line.

Errors related to the location of map features such as missing lines or missing polygons.

A temporary set of topological relationships between coincident parts of simple features between layers.

Editing on nontopological data.

One type of digitizing error that results in an overextended arc.

A node appearing along a continuous arc.

Editing on topological data to make sure that they follow the required topological realtionships.

Errors related to the topology of map features such as dangling arcs and missing multiple labels.

One type of digitizing error that results in a gap between arcs.