TdhGIS

    Vector Based Spatial Analysis

    • Free • Proprietary
    • Windows
    • Linux
    ...

    What is TdhGIS?

    Vector Based Spatial Analysis
    Graphically create and edit geometric data, as with a CAD program
    Import Shapefiles and OpenStreetMap data
    Use raster images as background and a CAD drawing as an overlay
    Transform coordinates based on the Proj4 library.
    Color polygons based on user data values using either discrete intervals or gradients
    Allocate point data to user specified buffers for points, polygons and multilines (e.g. find all gas stations within 1 mile of a highway)
    Allocate point data to polygons. (e.g. assign structures to hydrological basins)
    Allocate polygon data to other polygons. (e.g. allocate population data by census block to political boundaries)
    Create thiessen polygons (e.g. for all hospitals within a state, define the areas closest to each hospital)
    Create data contours (e.g. create lines of equal ground elevation based on a set of elevation points)
    Create contour polygons (e.g. define the area where average rainfall exceeds a selected value based on weather station data)
    Calculate the area and perimeter of irregular polygons, including exclusion polygons (i.e. holes)
    Data is stored in an open database allowing manipulation by other software
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    Categories

    Photos & Graphics • Travel & Location

    Tags

    • shapefile
    • proj4
    • vector-editor
    • contours
    • thiessen
    • spatial-analyst
    TdhGIS

    Links and Download

     Official WebsiteDownload from Microsoft Store

    Other

    Ubuntu Software Center
    TdhGIS

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    • Developed by Tim Hirrel
    • Proprietary and Free product.
    • 38 alternatives listed

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    TdhGIS was added to AlternativeTo by timhirrel on Apr 3, 2020 and this page was last updated Apr 3, 2020.

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