geography information sysyem

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What is the formal term used to describe the geometric arrangement of shapes, such as squares or hexagons, to cover a 2-dimensional surface (one word)?

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The vector data model is superior to the raster data model when modeling processes such as hydrological flows.

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True

False

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What is the formal term that describes the application of a geographic coordinate system (e.g., latitude, longitude) to a native raster data coordinate system (e.g., rows, columns)?

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Where is the origin located on a raster data set that has not yet been georeferenced?

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a. lower right corner

b. upper-left corner

c. lower left corner

d. upper-right corner

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Which of the following best describes how native raster and map coordinate systems correspond to each other?

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a. rows correspond to longitude and columns correspond to latitude

b. rows correspond to northings and columns correspond to eastings

c. columns correspond to northings and rows correspond to eastings

d. northings correspond to latitude and eastings correspond to longitude

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Raster data sets contain one and only one attribute, and different attributes are usually stored in different raster data layers.

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True

False

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The width or height of an individual cell in a raster unit determines what?

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a. spectral resolution

b. scalar resolution

c. spatial scale

d. spatial resolution

e. geographic coordinate

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Which of the following are NOT recognized raster data format extensions?

Select one or more:

a. .tiff

b. .jpg

c. .png

d. .xls

e. .shp

f. .gif

g. .dbf

h. .bmp

Question 9

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The georeferencing of a raster data set falls into which category of processing?

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a. Output functions

b. Geographic functions

c. Analysis functions

d. Input functions

Question 10

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The spatial units that comprise raster data sets can be referred to as what?

Select one or more:

a. rasters

b. pixels

c. cells

d. points