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  2. Scale (map) - Wikipedia

    en.wikipedia.org/wiki/Scale_(map)

    Scale variation for the Lambert (green) and Gall (red) equal area projections. The scale plots for the latter are shown below compared with the Lambert equal area scale factors. In the latter the equator is a single standard parallel and the parallel scale increases from k=1 to compensate the decrease in the meridian scale.

  3. Wikipedia : WikiProject Maps/Conventions

    en.wikipedia.org/wiki/Wikipedia:WikiProject_Maps/...

    An introduction explaining the style objectives and the most convenient way to create a such map. A color summary table with two (up-to-date) map examples. The naming convention for upload, and other advice like the scale or the legend. An up-to-date SVG template. Further details on history, limits, and possible expansions. A gallery of examples.

  4. Map projection - Wikipedia

    en.wikipedia.org/wiki/Map_projection

    A globe is the only way to represent the Earth with constant scale throughout the entire map in all directions. A map cannot achieve that property for any area, no matter how small. It can, however, achieve constant scale along specific lines. Some possible properties are: The scale depends on location, but not on direction.

  5. Map series - Wikipedia

    en.wikipedia.org/wiki/Map_series

    A map series is a group of topographic or thematic charts or maps usually having the same scale and cartographic specifications, and with each sheet appropriately identified by its publisher as belonging to the same series. [1] Map series occur when an area is to be covered by a map that, due to its scale, must be

  6. Conformal map projection - Wikipedia

    en.wikipedia.org/wiki/Conformal_map_projection

    A conformal parameterization of a disc-like domain on the sphere is deemed scale-optimal when it minimizes the ratio of maximum to minimum scale across the entire map. This occurs by assigning a unit scale to the boundary of the disc. Chebyshev applied this theorem to create a conformal map for the European part of the Russian Empire, which ...

  7. Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Mercator_projection

    However, if the map is marked with an accurate and finely spaced latitude scale from which the latitude may be read directly—as is the case for the Mercator 1569 world map (sheets 3, 9, 15) and all subsequent nautical charts—the meridian distance between two latitudes φ 1 and φ 2 is simply

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    mail.aol.com

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  9. Sinusoidal projection - Wikipedia

    en.wikipedia.org/wiki/Sinusoidal_projection

    Scale is constant along the central meridian, and east–west scale is constant throughout the map. Therefore, the length of each parallel on the map is proportional to the cosine of the latitude, as it is on the globe. This makes the left and right bounding meridians of the map into half of a sine wave, each mirroring the other.