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Wednesday, March 5, 2008

TRIANGULATED IRREGULAR NETWORK

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TRIANGULAR IRREGULAR NETWORK-TIN
This TIN is considered as the significant alternative to the regular raster of the DEM .This model was developed in 1970.actually this was the simple way to build a surface from the set of irregular spaced points.if you see several prototype system was developed in the same year.here the irregular spaced points are adopted to the terrain with more points in the areas of the rough terrain.the same is also accounted in smooth terrain.then they are connected by lines to form a triangle and by processing it o some advance steps we can reach the goal. this TIN has its application in drainage networks,etc.

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