# Map World Lambert City Vector

Key Features of the Lambert Azimuthal Equal-Area Projection:

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1. Equal Area: One of the primary features of the Lambert azimuthal equal-area projection is that it preserves equal area. This means that the relative sizes of regions on the map are accurate in comparison to their actual sizes on the Earth’s surface.
2. Azimuthal Aspect: The projection is azimuthal, meaning that directions (azimuths) from a central point are preserved. This can be advantageous for applications such as navigation and polar mapping.
3. Tangent at a Single Point: The projection is constructed by placing a plane tangent to the Earth’s surface at a single point, usually at one of the poles or at the center of a chosen region. This tangent point is often selected based on the specific purpose of the map.
4. Symmetry: The Lambert azimuthal equal-area projection exhibits radial symmetry, making it suitable for maps centered on specific locations.

1. Equal Area Property: The primary advantage of the Lambert azimuthal equal-area projection is its preservation of area. This makes it suitable for thematic maps where accurately representing the distribution of phenomena is crucial.
2. Useful for Polar Regions: The projection is often used for mapping polar regions, where distortions are minimized, and the equal-area property is valuable.
3. Straight Meridians and Parallels: Meridians (lines of longitude) and parallels (lines of latitude) are straight lines on the map, simplifying its design.

1. Distortion: While the projection preserves area, it introduces distortion in other properties. Shape, distance, and direction are not maintained, especially as you move away from the central point of tangency. This distortion increases with distance from the center.
2. Limited Applicability: The Lambert azimuthal equal-area projection is most suitable for thematic maps centered on a specific point. Its appropriateness decreases as you move towards the edges of the map.
3. Complex Construction: The mathematical formulation and construction of the projection can be complex, especially for non-specialists.

In summary, the Lambert azimuthal equal-area projection is valued for its equal-area property, making it suitable for specific applications, particularly those involving polar regions or thematic mapping where accurate area representation is essential. However, it comes with trade-offs, including distortion in shape, distance, and direction. The appropriateness of this projection depends on the specific requirements of the map and the region of interest.

##### Author: Kirill Shrayber, Ph.D.

I have been working with vector cartography for over 25 years, including GPS, GIS, Adobe Illustrator and other professional cartographic software.