What is key and scale on a map?

What is key and scale on a map?

A map key is an inset on a map that explains the symbols, provides a scale, and usually identifies the type of map projection used. Technically, the key is part of the map legend. The key explains the symbols while the legend holds the key and other information.

What is the difference between a map scale and a map key?

Maps use a key, or legend, to explain the meaning of each of the symbols used in the map. These keys usually show a small picture of each of the symbols used on the map, along with a written description of the meaning of each of these symbols. When scaling down a map, every part of the map is scaled by the same amount.

What is the key of a map?

Definition: A key or legend is a list of symbols that appear on the map. For example, a church on the map may appear as a cross, a cross attached to a circle, a cross attached to a square. A church symbol with a square means that the church has a tower, while a circle means the church has a spire.

What is a scale on a map?

Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. For example, on a 1:100000 scale map, 1cm on the map equals 1km on the ground. We have an incomplete map and data coverage at 1:100000 and 1:50000 scales.

What is MAP key used for?

A map key or legend is an essential part of the map. It explains what the symbols on the map mean and allows you to make sense of the map.

What is an example of a large scale map?

Large scale maps are typically used to show site plans, local areas, neighborhoods, towns etc. 1:2,500 is an example of a large scale. The larger a scale is the smaller will be the number in the scale. For example, a 1:10,000-scale map is said to have a larger scale than a 1:100,000-scale map.

Is a map key?

Most maps have something called a map key. A map key is sometimes also called a legend. Map keys use symbols, colors, or lines to represent important places or landmarks on a map. They are usually located at the bottom left or right of a map.