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Du hast 30 Minuten um die 12 Fragen in diesem Quiz zu beantworten.
The area to the left was digitized by a “GIS Intern” and you were asked to “build” the topology. The software informs you that there is a label error. The label error could be the result of one of two things. Examine the diagram and choose one of the two possible errors.
Upper case text not allowed
Polygon with two labels not allowed
Unsnapped vertices
Incorrect polygon geometry
A street would be an example of what kind of data type?
Point
Line
Polygon
Raster
96º 30' 00” is an example of what coordinate format?
Degrees minutes seconds
Decimal degrees
Decimal minutes
State plane
A map projection is intended to
Correct for errors between the WGS 84 and Clark 1866 ellipsoids
Correct for errors when transforming spherical to planar coordinates
Correct for errors when converting between raster and vector data
Correct for errors in the digitizing process
A fire hydrant would be an example of what kind of data type?
The following Venn diagrams illustrate the three Boolean operators common to GIS overlay operations. Match the operation name with the graphic it corresponds to.
A City council district would be an example of what kind of data type
96º 32.00' is an example of decimal minutes coordinate format.
You have been asked to find address points within 100 feet of a fire hydrant. What kind of GIS operation would you perform?
Spatial join
Buffer
Thiessen
Clip
96.500º is an example of what coordinate format?
Degrees Minutes seconds (DMS)
Decimal Degrees
State Plane
The two common data models used in GIS are raster and vector. Below are a list of advantages and disadvantages of each data type. Select the characteristics that describe the RASTER data model below.
Large storage requirements
High spatial variability efficiently represented
Better suited to image manipulation
Smaller storage requirements
Better suited to network analysis
Poorly represents high spatial variability
The two common data models used in GIS are raster and vector. Below are a list of advantages and disadvantages of each data type. Select the characteristics that describe the VECTOR data model below.