Map Projection Basics
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Questions and Answers

What is the purpose of map projections?

  • To visualize spatial properties without altering them.
  • To transform the earth's three-dimensional surface into a flat map sheet. (correct)
  • To preserve the spheroidal shape of the earth.
  • To create a spherical representation of the earth's surface.

    • Which type of geographic coordinate systems are small-scale data map projections usually based on?

  • Conical
  • Spherical (correct)
  • Cylindrical
  • Spheroidal

    • What do conformal projections aim to preserve?

  • Area
  • Local shape (correct)
  • Direction
  • Distance

    • How are perpendicular graticule lines represented in a conformal projection?

    <p>90</p> Signup and view all the answers

    What is the drawback of conformal projections?

    <p>The area enclosed by a series of arcs may be greatly distorted.</p> Signup and view all the answers

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