Step 1: Understanding the Concept:
Map projections are mathematical transformations that project the 3D surface of the Earth onto a 2D plane. This process always introduces distortion in at least one property (Area, Shape, Distance, or Direction).
Step 2: Detailed Explanation:
Projections are classified based on the property they preserve:
1. Equal-area (Equivalent) Projections: Preserve the relative size (area) of regions but distort shapes.
2. Conformal (Orthomorphic) Projections: Preserve angles and therefore maintain the correct shapes of small (local) features. The scale is the same in all directions at any point.
3. Equidistant Projections: Maintain correct distances along certain specific lines (e.g., along meridians).
4. Azimuthal Projections: Preserve directions (azimuths) from a central point to all other points on the map.
Step 3: Final Answer:
A Conformal projection is designed to preserve local angles and shapes.