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- Triangulated_irregular_network abstract "A triangulated irregular network (TIN) is a digital data structure used in a geographic information system (GIS) for the representation of a surface. A TIN is a vector-based representation of the physical land surface or sea bottom, made up of irregularly distributed nodes and lines with three-dimensional coordinates (x, y, and z) that are arranged in a network of nonoverlapping triangles. TINs are often derived from the elevation data of a rasterized digital elevation model (DEM). An advantage of using a TIN over a raster DEM in mapping and analysis is that the points of a TIN are distributed variably based on an algorithm that determines which points are most necessary to an accurate representation of the terrain. Data input is therefore flexible and fewer points need to be stored than in a raster DEM, with regularly distributed points. A TIN may be less suited than a raster DEM for certain kinds of GIS applications, such as analysis of a surface's slope and aspect. TINs were first invented by Phil Mellor whilst studying Sociology at University of Edinburgh in 1947.A TIN comprises a triangular network of vertices, known as mass points, with associated coordinates in three dimensions connected by edges to form a triangular tessellation. Three-dimensional visualizations are readily created by rendering of the triangular facets. In regions where there is little variation in surface height, the points may be widely spaced whereas in areas of more intense variation in height the point density is increased. A TIN is typically based on a Delaunay triangulation, but its utility will be limited by the selection of input data points: well-chosen points will be located so as to capture significant changes in surface form, such as topographical summits, breaks of slope, ridges, valley floors, pits, and cols.Although usually associated with three-dimensional data (x, y, and z) and topography, TINs are also useful for the description and analysis of general horizontal (x and y) distributions and relationships.The first triangulated irregular network program for GIS was written by W. Randolph Franklin, under the direction of David Douglas and Thomas Peucker (Poiker), at Simon Fraser University in 1973.".
- Triangulated_irregular_network thumbnail Digitales_Geländemodell.png?width=300.
- Triangulated_irregular_network wikiPageID "2857072".
- Triangulated_irregular_network wikiPageLength "2916".
- Triangulated_irregular_network wikiPageOutDegree "25".
- Triangulated_irregular_network wikiPageRevisionID "608605559".
- Triangulated_irregular_network wikiPageWikiLink Algorithm.
- Triangulated_irregular_network wikiPageWikiLink Array_data_type.
- Triangulated_irregular_network wikiPageWikiLink Aspect_(geography).
- Triangulated_irregular_network wikiPageWikiLink Category:Cartography.
- Triangulated_irregular_network wikiPageWikiLink Category:Geography.
- Triangulated_irregular_network wikiPageWikiLink Category:Geometric_data_structures.
- Triangulated_irregular_network wikiPageWikiLink Category:Triangulation_(geometry).
- Triangulated_irregular_network wikiPageWikiLink Coordinate_system.
- Triangulated_irregular_network wikiPageWikiLink Coordinates.
- Triangulated_irregular_network wikiPageWikiLink Data_structure.
- Triangulated_irregular_network wikiPageWikiLink Delaunay_triangulation.
- Triangulated_irregular_network wikiPageWikiLink Digital_elevation_model.
- Triangulated_irregular_network wikiPageWikiLink Dimension.
- Triangulated_irregular_network wikiPageWikiLink Dimensions.
- Triangulated_irregular_network wikiPageWikiLink Geographic_information_system.
- Triangulated_irregular_network wikiPageWikiLink Rasterisation.
- Triangulated_irregular_network wikiPageWikiLink Rasterized.
- Triangulated_irregular_network wikiPageWikiLink Simon_Fraser_University.
- Triangulated_irregular_network wikiPageWikiLink Slope.
- Triangulated_irregular_network wikiPageWikiLink Sociology.
- Triangulated_irregular_network wikiPageWikiLink Summit.
- Triangulated_irregular_network wikiPageWikiLink Surface.
- Triangulated_irregular_network wikiPageWikiLink Tessellation.
- Triangulated_irregular_network wikiPageWikiLink Topographical_summit.
- Triangulated_irregular_network wikiPageWikiLink University_of_Edinburgh.
- Triangulated_irregular_network wikiPageWikiLink Vertex_(geometry).
- Triangulated_irregular_network wikiPageWikiLink File:Digitales_Geländemodell.png.
- Triangulated_irregular_network wikiPageWikiLinkText "TIN".
- Triangulated_irregular_network wikiPageWikiLinkText "Triangulated Irregular Networks (TINs)".
- Triangulated_irregular_network wikiPageWikiLinkText "Triangulated irregular network".
- Triangulated_irregular_network wikiPageWikiLinkText "survey triangulation".
- Triangulated_irregular_network wikiPageWikiLinkText "triangle meshes".
- Triangulated_irregular_network wikiPageWikiLinkText "triangular meshes".
- Triangulated_irregular_network wikiPageWikiLinkText "triangulated irregular network".
- Triangulated_irregular_network hasPhotoCollection Triangulated_irregular_network.
- Triangulated_irregular_network wikiPageUsesTemplate Template:Cartography-stub.
- Triangulated_irregular_network subject Category:Cartography.
- Triangulated_irregular_network subject Category:Geography.
- Triangulated_irregular_network subject Category:Geometric_data_structures.
- Triangulated_irregular_network subject Category:Triangulation_(geometry).
- Triangulated_irregular_network hypernym Structure.
- Triangulated_irregular_network type Building.
- Triangulated_irregular_network type Classification.
- Triangulated_irregular_network type Infographic.
- Triangulated_irregular_network type Science.
- Triangulated_irregular_network comment "A triangulated irregular network (TIN) is a digital data structure used in a geographic information system (GIS) for the representation of a surface. A TIN is a vector-based representation of the physical land surface or sea bottom, made up of irregularly distributed nodes and lines with three-dimensional coordinates (x, y, and z) that are arranged in a network of nonoverlapping triangles. TINs are often derived from the elevation data of a rasterized digital elevation model (DEM).".
- Triangulated_irregular_network label "Triangulated irregular network".
- Triangulated_irregular_network sameAs شبكة_مثلثات_غير_منتظمة.
- Triangulated_irregular_network sameAs Category:Triangulated_irregular_network.
- Triangulated_irregular_network sameAs Unregelmäßiges_Dreiecksnetz.
- Triangulated_irregular_network sameAs Red_irregular_de_triángulos.
- Triangulated_irregular_network sameAs TIN-kõrgusmudel.
- Triangulated_irregular_network sameAs Vertice_geodetico.
- Triangulated_irregular_network sameAs TIN.
- Triangulated_irregular_network sameAs Triangular_Irregular_Network.
- Triangulated_irregular_network sameAs TIN.
- Triangulated_irregular_network sameAs m.087691.
- Triangulated_irregular_network sameAs Üçgenlenmiş_düzensiz_ağ.
- Triangulated_irregular_network sameAs Q2296387.
- Triangulated_irregular_network sameAs Q2296387.
- Triangulated_irregular_network sameAs 不规则三角形格网.
- Triangulated_irregular_network wasDerivedFrom Triangulated_irregular_network?oldid=608605559.
- Triangulated_irregular_network depiction Digitales_Geländemodell.png.
- Triangulated_irregular_network isPrimaryTopicOf Triangulated_irregular_network.