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Computer cartography (also called digital cartography) is the art, science, and technology of making and using maps with a computer. [ 1 ] [ 2 ] [ 3 ] This technology represents a paradigm shift in how maps are produced, but is still fundamentally a subset of traditional cartography.
Graphical view of the affine transformation. The registration of an image to a geographic space is essentially the transformation from an input coordinate system (the inherent coordinates of pixels in the images based on row and column number) to an output coordinate system, a spatial reference system of the user's choice, such as the geographic coordinate system or a particular Universal ...
Other than SRTM30plus, Earth2014 provides information on ice-sheet heights and bedrock (that is, topography below the ice) over Antarctica and Greenland. Another global model is Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010) with 7.5 arc second resolution. It is based on SRTM data and combines other data outside SRTM coverage.
Google Earth is a web and 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.
Template:Location map many creates a location map as a composite image of an existing map, with multiple markers and optional labels superimposed onto it. This template functions in the style of Template:Location map , but allows multiple markers and labels (rather than just one marker).
A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important.
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Heads-down digitizing, or manual digitizing, uses a special magnetic pen, or stylus, that feeds information into a computer to create an identical, digital map. Some tablets use a mouse-like tool, called a puck, instead of a stylus. [27] [28] The puck has a small window with cross-hairs which allows for greater precision and pinpointing map ...