What does distortion mean on a map?
If a map preserves shape, then feature outlines (like country boundaries) look the same on the map as they do on the earth.
A conformal map distorts area—most features are depicted too large or too small.
The amount of distortion, however, is regular along some lines in the map..
Why do maps have distortion?
Flattening the Earth Likewise with the Earth—if we want to make a map, we need to distort the Earth’s surface to flatten it. The good news is that map projections allow us to distort systematically; we know exactly how things are being stretched or squashed at any given point.
What type of map has the most distortion?
In most maps, when you try to fix one kind of distortion, you increase another kind of distortion. However, Mercator is one of those rare maps whose answer to latitudinal distortion was to ensure that the longitudinal distortion is equally bad! On a Mercator projection, Greenland is roughly the same size as Africa.
What are four types of distortion?
When the earth is projected onto a flat surface there are at least four different types of distortion: distance, direction, angle, and area. It is impossible to preserve all four means of distortion on one flat projection.
What is the best geographic definition of distortion?
Definition. DISTORTION. A Distortion is the change to a object, form or thing. GEOGRAPHIC INFORMATION SYSTEM (GIS) It is a system to manage, store , and analyse data, and associated attributes that related to the earth.