Deck 14: See the World in 3D

Question 1

Describe the steps involved with designing a 3D structure in Google SketchUp and then placing it into its correct location in Google Earth.

Answer 1

In Google SketchUp,you can first acquire a "snapshot" of aerial imagery to use as a base for modeling a real-world structure.This "snapshot" will contain information that can be used to reference the model into its real-world coordinates.After creating the structure with Google SketchUp,it is converted to a KMZ file and placed into its proper spatial location in Google Earth.

Question 2

In 3D design,elevation or height values are referred to with the letter

A)E.
B)H.
C)Y.
D)Z.

Answer 2

D

Question 3

A 3D-style choropleth map is a

A)prism map.
B)smartmap.
C)raised poly map.
D)omni-theme map.

Answer 3

A

Question 4

Extruding a polygon will turn it into a

A)block.
B)line.
C)multipatch.
D)wall.

Question 5

Pre-made 3D objects in Google SketchUp refer to

A)components.
B)prisms.
C)georeferences.
D)faces.

Question 6

Which of the following operations would best allow you to model a feature such as creating a footprint of your house and showing the house at the proper height in ArcScene?

A)Extrusion
B)Offsetting
C)Applying base heights
D)Vertical exaggeration

Question 7

Which of the following operations would best allow you to model a feature such as an elevated walkway joining two buildings over a busy city?

A)Extrusion
B)Offsetting
C)Applying base heights
D)Vertical exaggeration

Question 8

Many 3D models are available to use in Google Earth and Google SketchUp via the

A)3D Hawaii.
B)3D Warehouse.
C)3D Buildings Layer.
D)3D Thematic Mapper.

Question 9

Graphics that can be applied to the faces of an object to provide a more realistic appearance are

A)smartshapes.
B)omni-objects.
C)textures.
D)links.

Question 10

KMZ files are the native file format used to work with 3D objects in

A)Google SketchUp.
B)Google Earth.
C)ArcScene.
D)ArcGlobe.

Question 11

Which of the following operations would best allow you to place 3D buildings at their proper height on the terrain (e.g. ,the terrain is 900 ft above sea level,you want the building to sit on the terrain,not float above or below it)?

A)Extrusion
B)Offsetting
C)Applying base heights
D)Vertical exaggeration