A compass rose is made up of four cardinal directions (north, east, south, and west), each separated by 90 degrees, and four ordinal (intercardinal) directions (northeast, southeast, southwest, and northwest), each situated halfway between two cardinal directions. The point where each of the eight divisions intersect is called a singular point.
The four cardinal directions are indicated by four arrows pointing north, east, south, or west. The ordinal directions are shown by four more arrows pointing northeast, east, southwest, or west. The term "compass direction" simply means direction from north to south or vice versa. Directions can also be labeled as "semi-cardinal" because they're divided into two groups of two angles each. These are called "quarter directions". They include northeast and southeast, east and west, south and southwest, and west and north.
These eight divisions make up the entire compass rose. No part of it is larger than a quarter circle. Within these divisions, certain parts are called "principal points", such as North and South for the cardinal directions, and Northeast, Southeast, Southwest, and Northwest for the ordinal directions. At any of these principal points, you can locate yourself with respect to other objects by observing which way they are facing.
Directions Compass Rose: a map icon that indicates a direction. North, south, east, and west are the four cardinal directions. The North Pole is the northernmost point on the globe. The South Pole is the southernmost point on the globe. The East Coast is to the left of the center. The West Coast is to the right of the center.
These are but a few of the many maps available for any location on Earth. A compass is a valuable tool for travelers who need to get from here to there quickly and easily. Modern compasses also use magnetic north instead of true north, so they will always show you which way is north even if you arrive at a new location.
Compasses have been used by humans for thousands of years. They are made from metal alloys containing some percentage of iron. The needle is the magnetically sensitive piece of the compass; the rest of the compass is non-magnetic. The magnetism of the earth or another body with a strong magnetic field can be used to guide vehicles or ships. Without a compass, this would be impossible. Early compasses were based on the lodestone, a natural magnet composed of iron oxide. In 1713, Henry Cavendish invented the first accurate compass, which was based on the magnetic pole star.
To illustrate the cardinal directions, maps typically include a symbol known as a "compass rose." The cardinal directions—north, east, south, and west—are the major compass points. As a result, the compass rise assists the user in determining which direction is which. There are several different styles of compass roses used on maps; these include the plain or unmarked rose, the numbered rose, and the colored rose.
The plain compass rose does not indicate any particular direction. It can be found on some modern maps that show only major roads at a scale of 1:100,000 or less. These are called "road maps."
The numbered compass rose indicates the four major directions of north, northeast, east, southeast, south, southwest, and west. It is usually placed at the center of the map to help users find their way around easily. Numbered compass roses are commonly used on maps at scales of 1:50,000 and larger.
The colored compass rose includes each of the four major directions in a different color. This helps users identify their current location and move in the right direction. Colored compass roses are often used on maps at scales of 1:25,000 and larger.
These are just some examples of how a compass rose appears on a map. There are many more variations of this symbol available online and in mapping books.
There will be eight points on a compass rose with both ordinal and cardinal directions: N, NE, E, SE, S, SW, W, and NW. The ordinal and cardinal directions are depicted on this compass rose. Note that north is the default direction when placing something in a cart or container; thus, there is no need to specify the direction of north.
These directions are important to know for finding places on a map and they can also help you navigate using landmarks. For example, if you were trying to get from one side of town to the other, you could start at one end and walk in the direction that the street signs indicate. You would eventually come to another set of street signs indicating that you have reached your destination.
Compasses came in many shapes and sizes over the years. Here are some common types:
Military compasses had four points and were used by soldiers to guide them in battle. These compasses always pointed north.
Shopping mall compasses were usually placed in the ground at an angle so that they would point to the four corners of a square. These compasses were often given away as prize toys in carnival games because they were assumed to be pointing in random directions otherwise.