Geographical, flat rectangular and polar coordinates

There are many different coordinate systems. All of them are used to determine the position of points on the Earth's surface. Here are mainly geographical, flat rectangular and polar coordinates. In general, the coordinates are called angular and linear values, which determine the position of points on a surface or in space. Geographical coordinates - this angle values - latitude and longitude coordinates, defining a point position on the globe. Latitude is the angle formed by the plane of the equator and the plumb line at a given point in the Earth's surface (Figure 25). This Read more [...]
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Wheresoever You Go, Thither You Are

Away     Bob Graham is a man demoniac. Stillness light-haired, stringy, and boylike at 58, this retired Courtland, California, farmer-turned-mountaineer has dog-tired the preceding cinque age roaming the Sierra Nevada in an assay to trace the 122-mile-long path interpreted by Bathroom C. Frémont in 1844, when the intrepid but big deputy, on with Kit Carson and a contingent from the U.S. Corps Read more [...]
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