Search results
Results from the WOW.Com Content Network
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
16-point compass rose from 1753 Dutch map. Sixteen-point compass roses are constructed by bisecting the angles of the principal winds to come up with intermediate compass points, known as half-winds, at angles of difference of 22 1 ⁄ 2 °. The names of the half-winds are simply combinations of the principal winds to either side, principal ...
Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding.The most direct method is using a compass (magnetic compass or gyrocompass), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial), the stars, and satellite navigation.
Early roses were depicted with 12 points at 30° each, as was favored by the Romans. In the Middle Ages map makers moved to the 16-point rose complaining that sailors did not have the education to understand the previous design. The earliest 32-point compass rose was developed by Arab navigators during the Middle Ages
A figure on a compass, map, nautical chart, or monument used to display the orientation of the four cardinal directions — North, East, South, and West — and their intermediate points. A typical 16-point compass rose, showing four cardinal directions, four intercardinal directions, and eight secondary-intercardinal directions compass survey
X values are always between 0 and 1. For square images, Y values are also between 0 and 1. The maximum Y value is higher for tall images, lower for wide images. The X and Y values represent the fraction of the width where the label will be placed. The exact point is the top-left corner of the image label.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding.The most direct method is using a compass (magnetic compass or gyrocompass), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial), the stars, and satellite navigation.