Extended Tools In 3D Visualization_book 6
3D data ypes, display, and visualization Data aquisition and Processing Coverting 2d to 3D Displaying non elevation data in 3D Surface Analysis Global Visualization and Analysis Animation and Exporting Projects
- 1.The ArcGIS extension program that is designed to display elevation and other data layers that have Z values associated with the features is called
- A.
3D Analyst
- B.
ArcToolbox
- C.
Image Analysis
- D.
Spatial Analyst
- 2.The ArcGIS program used to view three-dimensional data with 3D Analyst is called
- A.
ArcMap
- B.
ArcScene
- C.
ArcToolbox
- D.
Explorer
- 3.The option included in Scene Properties that allows you to amplify the variations in elevation of a surface to make the variation more noticeable is called
- A.
Amplification
- B.
Augmentation
- C.
Extending
- D.
Vertical Exaggeration
- 4.A data format that displays elevation data using nodes, lines and faces is called
- A.
Grid
- B.
Raster
- C.
Terrestrial Integrated Network
- D.
Triangulated Irregular Network
- 5.The most common type of elevation data used in 3D display and analysis is
- A.
DEMs
- B.
TINs
- C.
Nodes
- D.
GECs
- 6.The option that allows you to “pull” features up to a certain height in a 3D scene by assigning a Z value in Layer Properties is called
- A.
Animation
- B.
Extrusion
- C.
Projection
- D.
Scaling
- 7.Feature data layers that have Z values (height or elevation) included in their attributes are called
- A.
2D Shapefiles
- B.
3D Shapefiles
- C.
Contours
- D.
TINs
- 8.The interpolation method that selects the closest nodes that form a convex hull around the interpolation point and then weights their values by the proportionate area is called
- A.
Inverse Distance Weighted Method
- B.
Kriging Method
- C.
Spline Method
- D.
Natural Neighbors Method
- 9.Lines created that represent elevation by connecting points with the same elevation values are called
- A.
Contours
- B.
Hillshades
- C.
Projections
- D.
Slopes
- 10.The incline of a surface is called
- A.
Contour
- B.
Hillshade
- C.
Projection
- D.
Slope
- 11.The direction of the slope of a surface is called
- A.
Aspect
- B.
Hillshade
- C.
Projection
- D.
Slope
- 12.The appearance of three-dimensional relief created by applying the effect of a light source is called
- A.
Contour
- B.
Hillshade
- C.
Projection
- D.
Slope
- 13.In ArcGlobe, the type of layer that is laid over the elevation layer and provides visual enhancement to the display is called a
- A.
Floating layer
- B.
Draped layer
- C.
Elevation layer
- D.
Suspended layer
- 14.In ArcGlobe, the type of layer that provides terrain to the global surface is the
- A.
Floating layer
- B.
Draped layer
- C.
Elevation layer
- D.
Suspended layer
- 15.Which of the following 3D Analyst conversion options would be used to convert grid data to a TIN?
- A.
3D Shapefile to TIN
- B.
Create TIN from Features
- C.
Raster to TIN
- D.
TIN to Raster
- 16.Which of the following 3D Analyst conversion options would be used to convert elevation point data to a TIN?
- A.
3D Shapefile to TIN
- B.
Create TIN from Features
- C.
Raster to TIN
- D.
TIN to Raster
- 17.If you were draping an air photo and feature data layers on a 3D surface in ArcScene, what would you assign as the Base Height?
- A.
Air photo
- B.
Feature data layer
- C.
Nothing
- D.
TIN
- 18.Which of the following would be the best example of an extrudable shapefile that could be viewed using 3D Analyst?
- A.
Air photo
- B.
Light poles
- C.
Parking lot
- D.
Sidewalk
- 19.TINs differ from 3D shapefiles because
- A.
3D shapefiles represent features three-dimensionally and a TIN represents a surface three-dimensionally.
- B.
TINs represent features three-dimensionally and 3D shapefiles represent a surface three-dimensionally.
- C.
3D shapefiles cannot be displayed in ArcScene but TINs can.
- D.
TINs cannot be displayed in ArcScene but 3D shapefiles can.
- 20.2D shapefiles differ from 3D shapefiles because
- A.
2D shapefiles cannot be displayed in ArcScene.
- B.
2D shapefiles cannot be draped on a TIN surface
- C.
3D shapefiles have a Z value (height or elevation) associated with them.
- D.
2D shapefiles have a Z value (height or elevation) associated with them.
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