dangle tolerance
[data capture] In ArcInfo coverages, the minimum length allowed for dangling arcs by the clean process, which removes dangling arcs shorter than the dangle tolerance.
dangle lengthMinimum length allowed for dangling arcs during the CLEAN process. CLEAN removes dangling arcs that are shorter than the dangle length.
Radius used to eliminate gaps (undershoots) and dangles (overshoots) in boundaries as a preparatory step to building polygon topology. A distance parameter defining the maximum gap or dangle that will be adjusted.
In ArcMap, for example, a cul-de-sac is a legitimate exception to the rule that prohibits dangles. Referenced by: Radar; Information Security; Dbase; Annotation feature class; Method (computer science); Common Language Runtime; .
Snapping is an important control in the environment. It will assure that features snap to each other, and that dangles, overshoots, gaps, or slivers are avoided.
When creating the FMU polygon, it's not easy to eliminate slivers, dangles, or undershoots from shapefile, and it cannot be done in ArcView 3.x. Once you have added the topology to the coverage, you must convert it back to a shapefile.
TOL file A coverage file that contains processing tolerances (fuzzy, tic match, and dangle length) and editing tolerances (weed, grain, edit distance, snap distance, and nodesnap distance).
 See also: GIS, Information, Feature, Access, Topology
  
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