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GstarCAD is a CAD (Computer Aided Design or Computer Aided Drafting) software platform, using the Open Design Alliance DWG libraries to read and write the DWG file format made popular by the AutoCAD CAD package.
Copernix.io is a geographical search engine allowing users to search places and information from Wikipedia on a map. Users can leave the search bar empty to see all pages within an area or type a query to get subject specific information. Some useful examples can be found at: Copernix examples and about ; The main search page is at: Copernix.io
APM Engine [12] [13] [14] is developed by RSDC APM. KCM [15] is developed and licensed by Kubotek Kosmos [16] SvLis Geometric Kernel became opensource and discontinued, for Windows only. IRIT modeling environment, for Windows only. [17] GTS [18] GNU Triangulated Surface Library, for polygon meshes only and not surfaces. Russian Geometric Kernel.
Provides geographical coordinates of a location when a "Pushpin" has been created. Find the feature or the location you want to know the geographical coordinates of, either by manually using the map and zooming in, or by entering a place name or address into the search field.
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum. Geographic positions may also be expressed indirectly, as a distance in linear referencing or as a bearing and range from a known landmark. In turn, positions can determine a meaningful location, such as a street address.
A spatial reference system (SRS) or coordinate reference system (CRS) is a framework used to precisely measure locations on the surface of Earth as coordinates. It is thus the application of the abstract mathematics of coordinate systems and analytic geometry to geographic space.
Georeferencing or georegistration is a type of coordinate transformation that binds a digital raster image or vector database that represents a geographic space (usually a scanned map or aerial photograph) to a spatial reference system, thus locating the digital data in the real world.