Podcast
Questions and Answers
What is the purpose of map projections?
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?
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?
What do conformal projections aim to preserve?
- Area
- Local shape (correct)
- Direction
- Distance
How are perpendicular graticule lines represented in a conformal projection?
How are perpendicular graticule lines represented in a conformal projection?
What is the drawback of conformal projections?
What is the drawback of conformal projections?