Map Projection That Preserves Shape

It preserves the size of figures, but heavily distorts the shapes when getting nearer to the edge of the map. This projection distorts both angles and areas. Maps that preserve shape on a conformal projection, all local angles measured from a point are correct and all local shapes are true.

Selection of map projection • considering the purpose of the map is important while choosing the map projection. This projection commonly used two standard parallels (lines of latitudes which are unevenly spaced concentric circles). Some examples of the projections mentioned above are mercator (conformal projection, preserves shape), lambert equal area (equidistant projection, preserves areas), and robinson (compromise projection, limits area and angle distortion).

This projection commonly used two standard parallels (lines of latitudes which are unevenly spaced concentric circles).

Map projections can be studied from the point of view of: These include equivalent projections (which preserve areal relationships), conformal projections (angular relationships), azimuthal projections (directional relationships), and equidistant projections (distance relationships). The table below shows five projection categories. Thus map projections are classified by the metric properties they preserve.