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2. Google Earth - Wikipedia

   en.wikipedia.org/wiki/Google_Earth

   Google Earth. Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering ...

3. Geographic information system - Wikipedia

   en.wikipedia.org/wiki/Geographic_Information_System

   The combination of several spatial datasets (points, lines, or polygons) creates a new output vector dataset, visually similar to stacking several maps of the same region. These overlays are similar to mathematical Venn diagram overlays. A union overlay combines the geographic features and attribute tables of both inputs into a single new output.

4. Vector overlay - Wikipedia

   en.wikipedia.org/wiki/Vector_overlay

   Vector overlay. Vector overlay is an operation (or class of operations) in a geographic information system (GIS) for integrating two or more vector spatial data sets. Terms such as polygon overlay, map overlay, and topological overlay are often used synonymously, although they are not identical in the range of operations they include.

5. Earth Point - Wikipedia

   en.wikipedia.org/wiki/Earth_Point

   Earth Point also maps the United States Public Land Survey System onto Google Earth. Features. Properties are located with roof-top accuracy without relying on geocoding. Property lines are drawn. Properties are defined by ESRI shape files produced by county assessor offices. These files are converted by Earth Point for use on Google Earth and ...

6. Orthophoto - Wikipedia

   en.wikipedia.org/wiki/Orthophoto

   Google Earth images are of this type. The document (digital or paper) representing an orthophotomosaic with additional marginal information like a title, north arrow, scale bar and cartographical information is called an orthophotomap or image map. Often these maps show additional point, line or polygon layers (like a traditional map) on top of ...

7. Google Maps - Wikipedia

   en.wikipedia.org/wiki/Google_Maps

   Google Maps for mobile devices were first released in 2006; the latest versions feature GPS turn-by-turn navigation along with dedicated parking assistance features. By 2013, it was found to be the world's most popular smartphone app, with over 54% of global smartphone owners using it. [8]

8. Keyhole Markup Language - Wikipedia

   en.wikipedia.org/wiki/Keyhole_Markup_Language

   Keyhole Markup Language ( KML) is an XML notation for expressing geographic annotation and visualization within two-dimensional maps and three-dimensional Earth browsers. KML was developed for use with Google Earth, which was originally named Keyhole Earth Viewer. It was created by Keyhole, Inc, which was acquired by Google in 2004.

9. Geospatial topology - Wikipedia

   en.wikipedia.org/wiki/Geospatial_topology

   Geospatial topology is the study and application of qualitative spatial relationships between geographic features, or between representations of such features in geographic information, such as in geographic information systems (GIS). [1] For example, the fact that two regions overlap or that one contains the other are examples of topological ...