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<title>Moving map display</title>

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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Moving map display</span></span>

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<p>A <b>moving map display</b> (<b>MMD</b>) / <b>projected map display</b> (<b>PMD</b>) is a type of <a href="Navigation" title="Navigation">navigation</a> system output that, instead of numerically displaying the current geographical coordinates determined by the navigation unit or an heading and distance indication of a certain <a href="Waypoint" title="Waypoint">waypoint</a>, displays the unit's current location at the center of a <a href="Map" title="Map">map</a>. As the unit moves around and new coordinates are therefore determined, the map moves to keep its position at the center of the display.

</p><p>Mechanical moving map displays using paper charts were first introduced in the 1950s,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> and became common in some roles during the 1960s. Mechanically moved paper maps were replaced by projected map displays<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> and digital maps during the 1970s and 80s, with resolution and detail improving along with computer imagery and the <a href="Computer_memory" title="Computer memory">computer memory</a> systems that held the data.

</p><p>A symbol representing the location of the GPS device carried by a person or inside a vehicle, remains stationary on the display screen while a map or chart image moves beneath the symbol.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The display thus portrays the physical movement of the device on the displayed map or chart. The portrayal typically shows a simulated overhead view of the device location on the moving map, but some devices also simulate a three-dimensional view from the perspective of the device. Many devices also provide an option for the map or chart image to remain stationary on the display while the location symbol moves to represent physical device movement. Some moving map display systems also provide a method of displaying the elevation of the device above sea level or the earth's surface.

</p><p>A common example of a moving map display today is the map display on a <a href="Smart_phone" class="mw-redirect" title="Smart phone">smart phone</a> or <a href="Tablet_computer" title="Tablet computer">tablet</a> screen, with an <a href="Application_software" title="Application software">app</a> using <a href="GPS" class="mw-redirect" title="GPS">GPS</a> to determine the device's current position and display it on map data from the device's internal storage or from the <a href="Internet" title="Internet">Internet</a> in real time. This use of phones and tablets has expanded very rapidly for navigation in car travel, hiking, and aviation. Moving map applications are now included in the base software for most phones and tablets, and include many helpful options like directions to destination, business hours, and more.

</p><p>Aviation moving map apps include extensive in-flight information such as other nearby aircraft. Weather and other data is also available and may be depicted on the moving map. Some sophisticated apps, even including <a href="3D_computer_graphics" title="3D computer graphics">3D</a> display options for this purpose are available free, without subscription fees.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> This trend has enabled even inexpensive aircraft with no electrical system to have very advanced <a href="Avionics" title="Avionics">Avionics</a> in flight. Many pilots of the most expensive jets and helicopters also use such apps to supplement expensive certified avionics.

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<ul><li><a href="GPS_navigation_device" class="mw-redirect" title="GPS navigation device">GPS navigation device</a></li>

<li><a href="In-flight_entertainment#Moving-map_systems" title="In-flight entertainment">In-flight entertainment, Moving-map systems</a></li>

<li><a href="Fresnel_lens" title="Fresnel lens">Fresnel lens</a></li>

<li><a href="Microform" title="Microform">Microform</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.britairliners.org/airliners-article?title=the-magic-moving-map&id=36">"The magic moving map"</a>.</cite></span>

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<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://rochesteravionicarchives.co.uk/collection/navigation-inertial/combined-radar-and-projected-map-display">"Combined Radar and Projected Map Display (CRPMD) :: Rochester Avionic Archives"</a>.</cite></span>

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<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://rochesteravionicarchives.co.uk/collection/navigation-inertial/projected-map-display">"Projected Map Display [PMD] :: Rochester Avionic Archives"</a>.</cite></span>

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<li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://fas.org/irp/doddir/dod/jp1_02-april2010.pdf">"Department of Defense Dictionary of Military and Associated Terms"</a> <span class="cs1-format">(PDF)</span>.</cite></span>

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<li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="https://play.google.com/store/apps/details?id=com.ds.avare">https://play.google.com/store/apps/details?id=com.ds.avare</a> Example of free open source Android app.</span>

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</style><div id="Aeronautical_charts_and_procedures61" style="font-size:114%;margin:0 4em"><a href="Aeronautical_charts" class="mw-redirect" title="Aeronautical charts">Aeronautical charts</a> and procedures</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Terminal</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="Airport_diagram" title="Airport diagram">Airport diagram</a></li>

<li>Departure procedure

<ul><li><a href="Standard_instrument_departure" title="Standard instrument departure">Standard instrument departure</a></li>

<li><a href="Obstacle_departure_procedure" title="Obstacle departure procedure">Obstacle departure procedure</a></li></ul></li>

<li><a href="Instrument_approach_procedure" class="mw-redirect" title="Instrument approach procedure">Instrument approach procedure</a>

<ul><li><a href="Approach_plate" title="Approach plate">Approach plate</a></li></ul></li>

<li><a href="Standard_terminal_arrival_route" title="Standard terminal arrival route">Standard terminal arrival route</a></li>

<li><a href="Terminal_area_chart" title="Terminal area chart">Terminal area chart</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">En Route</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="En-route_chart" title="En-route chart">En-route chart</a></li>

<li><a href="World_aeronautical_chart" title="World aeronautical chart">World aeronautical chart</a></li>

<li><a href="Sectional_aeronautical_chart" title="Sectional aeronautical chart">Sectional aeronautical chart</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="Aerodrome_mapping_database" title="Aerodrome mapping database">Aerodrome mapping database</a></li>

<li><a href="Airway_(aviation)" title="Airway (aviation)">Airway</a></li>

<li><a href="Aeronautical_chart_conventions_(United_States)" title="Aeronautical chart conventions (United States)">Chart conventions in United States</a></li>

<li><a href="Area_navigation" title="Area navigation">Area navigation</a></li>

<li><a href="Waypoint" title="Waypoint">Waypoint</a></li></ul>

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This article is issued from <a class="external text" title="Last edited on 2025-01-14" href="https://en.wikipedia.org/wiki/?title=Moving_map_display&oldid=1269299582">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.

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