Distortion
Distortion
Distortion
Maps covering a large area suffer from "barrel distortion". In the usual layout of maps, East-West distances are compressed near the equator and exaggerated as you move towards the poles.
The surface area pf the Earth is on a sphere, not a flat surface.
by using the position on the sky and the redshift to determine a distance along the line of sight
Distortion
Distortion
Earth is three-dimensional, but maps are two-dimensional.
Earth is three-dimensional, but maps are two-dimensional.
The main problem is that the earth is approximately spherical and therefore maps covering large areas suffers from distortions due to projection from 3-D to 2-D.
Planar projection
A three dimensional map of terrain is called a raised relief map.
such a map is a three dimensional representation of the terrain
No. A map is only two-dimensional, length and width. A globe is a three-dimensional representation of the earth's surface
distortion
Models are three dimensional prototypes that help the viewer see a smaller scale of a detailed area. Maps are usually one dimensional and contain directions from a view that would not show great detail.
Isoline maps are a two dimensional representation of a three dimensional model. An isoline map gives you a picture of the concentration of people. :)