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Measure Distance on a Military Map. A graphic scale is a ruler printed on the map and is used to convert distances on the map to actual ground distances. The graphic scale is divided into two parts. To the right of the zero, the scale is marked in full units of measure and is called the primary scale.
13 paź 2015 · In This Lesson. This lesson discusses how to evaluate and interpret map information, how to neatly and accurately plot grid coordinates on the map, and how to measure ground distance on a...
Map scale is ALWAYS shown on a map. Shown below is a British M726, 1:50,000 scale map with the ratio and scale lines shown. Estimating and measuring distance. As maps show a grid and have scale lines, it is possible to estimate or measure distances for use on the ground or on a map.
(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).
1. Identify the scale of the map. The map scale is the ratio (1:50,000) of the distance on map (1 inch) relative to the distance on the ground (usually 50,000 inches). 2. Convert a straight-line map distance to miles, meters, or yards using the map's bar scale (Figure 071-329-1008-1). Figure 1.
8 Estimating and measuring distance. As maps show a grid and have scale lines, it is possible to estimate or measure distances for use on the ground or on a map. Distances are either DIRECT (straight line) or INDIRECT (measured along a road or route).
