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Convert a road map distance to miles, meters, or yards using the map's bar scale. This is the actual distance you have to travel to reach the point whose straight line distance you identified in step 2.
In order to do this, measure the distance from the start point to the edge of the map. The marginal notes give the road distance from the edge of the map to some towns, highways, or junctions off the map.
There are two ways to do this: (1) Comparison with Ground Distance. (a) Measure the distance between two points on the map—map distance (MD). (b) Determine the horizontal distance between these same two points on the ground—ground distance (GD). (c) Use the RF formula and remember that RF must be in the general form: RF. =
The distance between two points is determinate by measuring between points on the map and multiplying the map measurement by the denominator of the RF. 34 DIRECTIONS Direction- is defined as an imaginary straight line on map or ground and expressed as unit of angular measure.
7 cze 2014 · A total station integrates EDM and theodolite functions to allow simultaneous distance and angle measurements for surveying tasks such as setting out buildings, contour mapping, and more. The Ten Essentials
Used to take distance measurements from point ―A‖ to point ―B‖ on maps; in conjunction with the distance bar scales on the map. NOTE. When used on a 1:50,000 map, each tick mark on the edge represents 100 meters (107 yards) of ground distance. ZERO.
A map provides information on the existence, the location of, and the distance between ground features, such as populated places and routes of travel and communication. It also indicates variations in terrain, heights of natural features, and the extent of vegetation cover. With our military forces dispersed throughout the world, it is necessary to
