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  2. Map layout - Wikipedia

    en.wikipedia.org/wiki/Map_layout

    Inset maps are smaller maps that are included on the same page as the main map. They can show additional information related to the main map. Four types of inset maps are common: [6] A Locator map is of a significantly smaller scale than the main map, and is used to show the location of the main map within a larger context. They are especially ...

  3. Scale (map) - Wikipedia

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

    A conformal map has an isotropic scale factor. Conversely isotropic scale factors across the map imply a conformal projection. Isotropy of scale implies that small elements are stretched equally in all directions, that is the shape of a small element is preserved. This is the property of orthomorphism (from Greek 'right shape'). The ...

  4. Wikipedia:WikiProject Maps/Conventions - Wikipedia

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

    Maps that highlight one subject area, primarily for species distributions. Locator maps: a country (red) in its region and in the world (corner map). Multi-area: ranges of animals species, languages. /Gradient maps: Areas colored to show a numerical statistic: Population density, per-capita income /Historical maps (en) Historical maps. Complex ...

  5. Choropleth map - Wikipedia

    en.wikipedia.org/wiki/Choropleth_map

    This map of the 2004–2016 U.S. presidential elections uses county districts, a spatially intensive variable (difference in proportion) that is unclassed, and a spectral divergent color progression. Note the continuous gradient legend that reflects the lack of classification. Every choropleth map has a strategy for mapping values to colors.

  6. Cartographic generalization - Wikipedia

    en.wikipedia.org/wiki/Cartographic_generalization

    During the first half of the 20th century, cartographers began to think seriously about how the features they drew depended on scale. Eduard Imhof, one of the most accomplished academic and professional cartographers at the time, published a study of city plans on maps at a variety of scales in 1937, itemizing several forms of generalization that occurred, including those later termed ...

  7. Scale (geography) - Wikipedia

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

    Cartographic scale or map scale: a large-scale map covers a smaller area but embodies more detail, while a small-scale map covers a larger area with less detail. Operational scale: the spatial extent at which a particular phenomenon operates. E.g. orogeny operates at a much larger scale than the formation of a river pothole does.

  8. Cartographic design - Wikipedia

    en.wikipedia.org/wiki/Cartographic_design

    Inset maps may serve several purposes, such as showing the context of the main map in a larger area, showing more detail for a subset of the main map, showing a separated but related area, or showing related themes for the same region. A bar scale or other indication of scale translates between map measurements and real distances.

  9. Cartography - Wikipedia

    en.wikipedia.org/wiki/Cartography

    Generalization: All maps must be drawn at a smaller scale than reality, requiring that the information included on a map be a very small sample of the wealth of information about a place. Generalization is the process of adjusting the level of detail in geographic information to be appropriate for the scale and purpose of a map, through ...