A line on a map joining points of equal elevation above a given level, usually mean sea level.The change in elevation between one contour line and the next is the contour interval.
Contour lines connect a series of points of equal elevation and are used to illustrate topography, or relief, on a map. They show the height of ground above Mean Sea Level (M.S.L.) in either feet or meters and can be drawn at any desired interval.
Our clients can use this to measure the volume of a stockpiles, mountains, an irrigation system, road construction etc.
The product using the line to connect object of the same elevation.
Give more accurate elevation value then provided by google earth.
Shows the details of the land elevation above or below sea level.
Can be used with many software application Ex:ArcGIS....