TdhGIS A small application for vector based spatial analysis.
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TdhGIS Tags

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TdhGIS Description

The purpose of TdhGIS is to perform spatial analysis of data based on vector defined geometric data. TdhGIS has a simple and comprehensive interface that will quickly guide you through all its features. Main features: Allocating point data to polygons. (e.g. assigning structures to hydrological basins). Allocating polygon data to other polygons. (e.g. allocating population data by census block to political boundaries). Creating thiessen polygons (e.g. for all hospitals within a state, define the areas where a particular hospital is closer than any other). Creating data contours (e.g. create lines of equal ground elevation based on a set of elevation points). Creating contour polygons (e.g. define the area where average rainfall exceeds a selected value based on weather station data).

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