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Geovisualization involves creating and using graphic representations such as maps to facilitate thinking about and interpreting geospatial and location-based data. Digital tools and techniques for visualization of real or simulated 2D or 3D geospatial information are often interactive to support exploration and discovery. Examples of geovisualization tools and techniques include a choropleth map displaying data with shaded colors, a time-space cube, a cartogram, or a virtual globe.