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What does the Mercator projection distort?
Although the linear scale is equal in all directions around any point, thus preserving the angles and the shapes of small objects, the Mercator projection distorts the size of objects as the latitude increases from the equator to the poles, where the scale becomes infinite.
Is Mercator conformal projection?
Mercator is a conformal map projection. Directions, angles, and shapes are maintained at infinitesimal scale. Any straight line drawn on this projection represents an actual compass bearing.
What information can we obtain in the Mercator chart?
Mercator projection A cylindrical map projection in which the meridians and parallels appear as lines crossing at right angles and in which areas appear greater farther from the equator. Straight line segments represent true bearings, thus making this projection useful for navigation.
What does the Mercator projection look like?
It is often described as a cylindrical projection, but it must be derived mathematically. The meridians are equally spaced parallel vertical lines, and the parallels of latitude are parallel horizontal straight lines that are spaced farther and farther apart as their distance from the Equator increases.
What are the pros and cons of the Mercator projection?
Mercator Pros and Cons: Pros: 1. Being a cylindrical projection, the Mercator shows a great deal of the globe and is thus very good for world maps. 2. The Mercator is also conformal so shapes are preserved. These maps are therefore good for learning continents, oceans, and nations.
Why are we still using Mercator projection?
This projection is widely used for navigation charts, because any straight line on a Mercator projection map is a line of constant true bearing that enables a navigator to plot a straight-line course. It is less practical for world maps, however, because the scale is distorted; areas farther away from the Equator appear disproportionately large.
What are the main features of the Mercator projection?
Mer·ca·tor projection. (mər-kā′tər) A method of making a flat map of the Earth’s surface so that the meridians and parallels appear as straight lines that cross at right angles. In a Mercator projection, the areas farther from the equator appear larger, making the polar regions greatly distorted.
Mercator projection. n. A cylindrical map projection in which the meridians and parallels appear as lines crossing at right angles and in which areas appear greater farther from the equator.