Which of the following statements is true regarding photogrammetry and how it is used to extract point cloud data?

(Select one)

Photogrammetry uses the triangulation of a single image to extract three-dimensional measurements from images.
Mounted cameras on aircraft support terrestrial photogrammetry.
The overlap of photos must be greater than 40% to achieve good results with the scanned data.
At least two ground control points (GCPs) are needed for geolocation.

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Which of the following Civil 3D surface creation methods generates fewer data points when using a ground classification from a point cloud dataset?

(Select one)

MAPCREATEPCSURFACE
Create Surface from DEM
Create Surface from Point Cloud

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Which of the following are valid uses for LiDAR scanned point cloud data in Autodesk products? (Select three.)

Select up to 3

Use the source point cloud data to visualize an area in which you will be working or to visualize a background around design data.
Use the source point cloud data directly in Civil 3D to create your design data.
Use the source point cloud data to conduct measurements.
Use the source point cloud data as a basis for feature (geometry or feature) extraction.

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Which of the following file types is used as the file type for ReCAP projects?

(Select one)

.RVT
.RCS
.LAS
.RCP

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When capturing point cloud data using aerial photogrammetry on an existing warehouse, which of the following flight paths would be best suited for capturing the data?

(Select one)

Helical path
Linear zig-zag (“mow the lawn”) path

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The point density of a LiDAR scan determines what the data can ultimately be used for. If the data is to be used to create basic 3D model geometry, which of the following density ranges should be used?

(Select one)

2-5 points/m2
0.5-1 points/m2
1-2 points/m2
5-10 points/m2

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Portions of a point cloud dataset can be exported individually.

(Select one)

True
False

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Both the attached point cloud data and the surfaces that are created from that data are visible in the 2D Wireframe viewing style in Civil 3D.

(Select one)

Yes
No

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Which of the following actions is used to read in the raw point cloud file and convert it to a .RCS file?

(Select one)

Indexing
Exporting
Importing
Registration

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The NOAA Data Access Viewer can display available LiDAR datasets for localized areas. Although the data is aggregated from different data sources, the data always uses the same coordinate zones; however, the data quality may be inconsistent.

(Select one)

True
False

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Which of the following methods of point cloud data collection is done using beams of light?

(Select one)

GIS
Photogrammetry
LiDAR
All of the above

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Civil 3D cannot manage point cloud classifications if they were collected in the source scan; this must be done in ReCAP prior to importing into Civil 3D.

(Select one)

True
False

Select an answer

How to: Work with point cloud data in Civil 3D and InfraWorks - Quiz

How to: Work with point cloud data in Civil 3D and InfraWorks - Quiz

Which of the following statements is true regarding photogrammetry and how it is used to extract point cloud data?

Which of the following Civil 3D surface creation methods generates fewer data points when using a ground classification from a point cloud dataset?

Which of the following are valid uses for LiDAR scanned point cloud data in Autodesk products? (Select three.)

Which of the following file types is used as the file type for ReCAP projects?

When capturing point cloud data using aerial photogrammetry on an existing warehouse, which of the following flight paths would be best suited for capturing the data?

The point density of a LiDAR scan determines what the data can ultimately be used for. If the data is to be used to create basic 3D model geometry, which of the following density ranges should be used?

Portions of a point cloud dataset can be exported individually.

Both the attached point cloud data and the surfaces that are created from that data are visible in the 2D Wireframe viewing style in Civil 3D.

Which of the following actions is used to read in the raw point cloud file and convert it to a .RCS file?

The NOAA Data Access Viewer can display available LiDAR datasets for localized areas. Although the data is aggregated from different data sources, the data always uses the same coordinate zones; however, the data quality may be inconsistent.

Which of the following methods of point cloud data collection is done using beams of light?

Civil 3D cannot manage point cloud classifications if they were collected in the source scan; this must be done in ReCAP prior to importing into Civil 3D.