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What are the two most commonly used projected coordinate systems for the United States?
Common Map Projections in GIS The Lambert conformal conic and the transverse Mercator are among the most common projection types used for spatial data in North America, and much of the world (Figure 3-38).
Which projection is most widely used?
Cylindrical Projection – Mercator One of the most famous map projections is the Mercator, created by a Flemish cartographer and geographer, Geradus Mercator in 1569. It became the standard map projection for nautical purposes because of its ability to represent lines of constant true direction.
Why would you not use state plane coordinate system to map multiple states?
Outside a specific state plane zone accuracy rapidly declines, thus the system is not useful for regional or national mapping. Most state plane zones are based on either a transverse Mercator projection or a Lambert conformal conic projection.
Which is the best coordinate system for mapping the US?
For mapping the whole US or North America in general Albers Equal Area Conic or Lamberts Conformal Conic are a good choice for most applications.
How does the US state plane coordinate system work?
The U.S. state plane coordinate system divides regions of each state into zones, which each use their own, slightly different projection. This makes things a bit complicated if your map covers a large area, but the advantage is a high degree of accuracy for local maps (like a city or metro area).
Can a GPS provide coordinates in these values?
Can GPS provide coordinates in these values? The State Plane Coordinate System (SPCS), which is only used in the United States, is a plane coordinate system (north-south and east-west lines are perpendicular) in which each individual state has between one to six zones, depending on the state’s size and shape.
Which is the best projection for mapping the contiguous United States?
– Geographic Information Systems Stack Exchange Which projection is best for mapping the contiguous United States? If I wanted to project latitude & longitude data for the contiguous United States (the United States excluding Alaska and Hawaii), which projection would I use? I prefer more accurate distances followed by shapes