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  2. Lambert conformal conic projection - Wikipedia

    en.wikipedia.org/wiki/Lambert_conformal_conic...

    Pilots use aeronautical charts based on LCC because a straight line drawn on a Lambert conformal conic projection approximates a great-circle route between endpoints for typical flight distances. The US systems of VFR (visual flight rules) sectional charts and terminal area charts are drafted on the LCC with standard parallels at 33°N and 45 ...

  3. Aeronautical chart conventions (United States) - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_chart...

    A sectional chart is a two-sided chart created from a Lambert Conformal Conic Projection [1] with two defined standard parallels. The scale is 1:500,000, with a contour interval of 500 feet. The size of each sectional is designed to be "arm's width" when completely unfolded.

  4. Conformal map projection - Wikipedia

    en.wikipedia.org/wiki/Conformal_map_projection

    A contour chart of scale factors of GS50 projection Maps reflecting directions, such as a nautical chart or an aeronautical chart , are projected by conformal projections. Maps treating values whose gradients are important, such as a weather map with atmospheric pressure , are also projected by conformal projections.

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  6. List of map projections - Wikipedia

    en.wikipedia.org/wiki/List_of_map_projections

    Equal-area Ernst Hammer: Modified from azimuthal equal-area equatorial map. Boundary is 2:1 ellipse. Variants are oblique versions, centred on 45°N. 1994 Strebe 1995: Pseudoazimuthal Equal-area Daniel "daan" Strebe Formulated by using other equal-area map projections as transformations. 1921 Winkel tripel: Pseudoazimuthal Compromise Oswald Winkel

  7. Conical coordinates - Wikipedia

    en.wikipedia.org/wiki/Conical_coordinates

    Coordinate surfaces of the conical coordinates. The constants b and c were chosen as 1 and 2, respectively. The red sphere represents r = 2, the blue elliptic cone aligned with the vertical z-axis represents μ=cosh(1) and the yellow elliptic cone aligned with the (green) x-axis corresponds to ν 2 = 2/3.

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  9. Central cylindrical projection - Wikipedia

    en.wikipedia.org/wiki/Central_cylindrical_projection

    The central cylindrical projection with a 15° graticule, approximately to latitude ±72°. Distortion is noticeably worse than that of the Mercator projection. The central cylindrical projection formed on photographic film wrapped around a semitransparent globe by shadows cast from a light at its middle