5 Questions
What is the purpose of map projections?
To transform the earth's three-dimensional surface into a flat map sheet.
Which type of geographic coordinate systems are small-scale data map projections usually based on?
Spherical
What do conformal projections aim to preserve?
Local shape
How are perpendicular graticule lines represented in a conformal projection?
90
What is the drawback of conformal projections?
The area enclosed by a series of arcs may be greatly distorted.
Test your knowledge of map projections with this quiz that covers the mathematical transformation of the earth's surface into flat maps, the visualization of map projections, and the projection surface used in geographic coordinate systems.
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