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The standard style for OpenStreetMap, like most Web maps, uses the Web Mercator projection. Web Mercator, Google Web Mercator, Spherical Mercator, WGS 84 Web Mercator [1] or WGS 84/Pseudo-Mercator is a variant of the Mercator map projection and is the de facto standard for Web mapping applications. It rose to prominence when Google Maps adopted ...
For both versions of the WFS specification, an arbitrary number of other encodings can also be defined, in addition to the required GML 2.1.2 or 3.1.1 format (for 1.0.0 and 1.1.0 respectively). GML 2.1.2 contains encoding support for basic geometric 'primitives': points, lines, polygons, etc. GML 3.1.1 contains encoding support for more ...
MS Edge, Chrome, Firefox, Safari, Opera, Seznam.cz (all latest or 1-2 previous versions) IE7+, Mozilla Firefox 3.5+, Google Chrome 4+, Safari 4+ IE7+, Mozilla Firefox 3.5+, Google Chrome 4+, Safari 4+ None, application-dependent Internet Explorer 9+, Firefox 2.0.0.8+, Mozilla 1.7+, Opera 8.02+, Google Chrome 1+ [3] Officially supported ...
Version 2.0 of Google Maps Mobile was announced at the end of 2007, with a stand out My Location feature to find the user's location using the cell towers, without needing GPS. [198] [199] [200] In September 2008, Google Maps was released for and preloaded on Google's own new platform Android. [201] [202]
If altitude is omitted from a coordinate string, e.g. (-77.03647, 38.89763) then the default value of 0 (approximately sea level) is assumed for the altitude component, i.e. (-77.03647, 38.89763, 0). A formal definition of the coordinate reference system (encoded as GML) used by KML is contained in the OGC KML 2.2 Specification.
Some locations on free, publicly viewable satellite map services have such issues due to having been intentionally digitally obscured or blurred for various reasons of this. [1] For example, Westchester County, New York asked Google to blur potential terrorism targets (such as an amusement park, a beach, and parking lots) from its satellite ...
Here the receiving instrument is on the surface of the Earth. In this technique the interference of the direct and reflected signals is used rather than a Delay Doppler Map or measuring the two signals separately. In the example shown, a GNSS antenna is ~2.5 meters above a planar surface. Both direct (blue) and reflected (red) GNSS signals are ...
A tiled web map, slippy map [1] (in OpenStreetMap terminology) or tile map is a map displayed in a web browser by seamlessly joining dozens of individually requested image or vector data files. It is the most popular way to display and navigate maps, replacing other methods such as Web Map Service (WMS) which typically display a single large ...