Audience
Anyone needing to perform vector base spatial analysis
About TdhGIS
TdhGIS provides a robust and versatile set of tools for vector based spatial analysis. Everything needed to be performing spatial analysis within minutes is included in this easy to use software package.
Feature Summary:
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
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)
