Step 1: Concept
The Earth is a 3D spherical object, while maps, computer screens, and paper are flat 2D surfaces.
Step 2: Meaning
To create a map, cartographers must mathematically transform the geographic coordinate system (latitudes and longitudes) into a flat projected coordinate system (X and Y).
Step 3: Analysis
• Peeling an orange and laying it flat will tear and stretch the peel.
• Similarly, projecting the globe onto a flat surface inevitably causes distortion in one or more properties: shape, area, distance, or direction.
• Map projection provides the systematic mathematical formulas to control and manage this distortion while flattening the visual data.
Step 4: Conclusion
It is defined as the mathematical transformation from a 3D sphere to a 2D plane.
Final Answer: A systematic mathematical transformation used to represent the 3D spherical surface of the Earth on a flat 2D plane.