FE Civil Engineering Exam Prep

Category - Civil Engineering

For which of the following is a Digital Terrain Modeling (DTM) application most useful?
  1. Planning flight lines
  2. Generating high quality cartographic contours
  3. Setting slope stakes
  4. All of the above
Explanation
Answer: B - Of the answers listed, Digital Terrain Modeling is most useful for generating high quality cartographic contours. DTMs are digital representations of a portion of the Earth’s surface. The input data, data models, and algorithms required to generate a digital model of a terrain’s surface are significantly different from those needed to represent planimetric data. For example, most DTM data is derived from a combination of ground surveys, photogrammetric resources, digitized cartographic data, and altimetry data.
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