Adaptive Tessellation Method for Creating TINS from GIS Data
Publication: Journal of Hydrologic Engineering
Volume 4, Issue 1
Abstract
Terrain models created from triangulated irregular networks (TINs) can be used to delineate watershed and subbasin boundaries. However, an important criterion for accurately defining boundaries is that triangle edges of the TIN honor linear drainage features such as streams, canals, and roads. Typically, this requires a certain amount of labor-intensive, manual editing. A new algorithm has been developed for automatically creating TINs from a set of Geographic Information System (GIS) objects that correspond to the drainage features. The resulting TIN honors all of the drainage features and is well suited to automated basin delineation.
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Information & Authors
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Published In
Journal of Hydrologic Engineering
Volume 4 • Issue 1 • January 1999
Pages: 2 - 9
History
Received: Apr 9, 1997
Published online: Jan 1, 1999
Published in print: Jan 1999
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