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- Q1753196 subject Q8345383.
- Q1753196 subject Q8421233.
- Q1753196 abstract "The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionately correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar projection which shows all meridians (lines of longitude) as straight, with distances from the pole represented correctly. The flag of the United Nations contains an example of a polar azimuthal equidistant projection. This projection is used by the USGS in the National Atlas of the United States of America, and for large-scale mapping of Micronesia. It is useful for showing airline distances from center point of projection and for seismic and radio work. In the case of radio, this projection allows for directional antenna aiming, especially in the case of HF communications. An operator can point the antenna, usually by an electric rotator, simply locating the target in the map and rotating the antenna to the angle indicated by the map. The map should be centered as nearly as possible to the actual antenna location. Distances and directions to all places are true only from the center point of projection. Distances are correct between points along straight lines through the center. All other distances are incorrect. Distortion of areas and shapes increases with distance from the center point.Some types of wide-angle camera lenses, known as "fisheye lenses" produce an azimuthal equidistant projection of the photographed scene onto the photographic medium. These lenses allow a much wider field of view than perspective lenses, which are limited to significantly less than 180 degrees.".
- Q1753196 thumbnail Azimuthal_equidistant_projection_SW.jpg?width=300.
- Q1753196 wikiPageExternalLink geographiclib.sourceforge.net.
- Q1753196 wikiPageExternalLink ?projectionref.
- Q1753196 wikiPageExternalLink azimuthal_equidistant=24.64,98.15,169.
- Q1753196 wikiPageExternalLink nationalatlas.gov.
- Q1753196 wikiPageExternalLink 626-azimuthal-equidistant-projection.
- Q1753196 wikiPageExternalLink AzimuthalEquidistant_en.html.
- Q1753196 wikiPageExternalLink azproj.shtml.
- Q1753196 wikiPageWikiLink Q11768.
- Q1753196 wikiPageWikiLink Q11826.
- Q1753196 wikiPageWikiLink Q121567.
- Q1753196 wikiPageWikiLink Q124274.
- Q1753196 wikiPageWikiLink Q1344642.
- Q1753196 wikiPageWikiLink Q15115271.
- Q1753196 wikiPageWikiLink Q172446.
- Q1753196 wikiPageWikiLink Q186386.
- Q1753196 wikiPageWikiLink Q188968.
- Q1753196 wikiPageWikiLink Q193755.
- Q1753196 wikiPageWikiLink Q3359409.
- Q1753196 wikiPageWikiLink Q4434286.
- Q1753196 wikiPageWikiLink Q4771262.
- Q1753196 wikiPageWikiLink Q62494.
- Q1753196 wikiPageWikiLink Q6353.
- Q1753196 wikiPageWikiLink Q6818052.
- Q1753196 wikiPageWikiLink Q769152.
- Q1753196 wikiPageWikiLink Q8345383.
- Q1753196 wikiPageWikiLink Q8421233.
- Q1753196 wikiPageWikiLink Q948156.
- Q1753196 comment "The azimuthal equidistant projection is an azimuthal map projection. It has the useful properties that all points on the map are at proportionately correct distances from the center point, and that all points on the map are at the correct azimuth (direction) from the center point. A useful application for this type of projection is a polar projection which shows all meridians (lines of longitude) as straight, with distances from the pole represented correctly.".
- Q1753196 label "Azimuthal equidistant projection".
- Q1753196 depiction Azimuthal_equidistant_projection_SW.jpg.
