Exam (elaborations)
ESRI; DISTANCE ANALYSIS USING ArcGIS
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ESRI; DISTANCE ANALYSIS USING ArcGIS...
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The backlink raster is a cost direction surface created when you run the CostPath tool. - ANSWER False
What are the units of measure for cell values in a Euclidean (straight-line)
distance surface? - ANSWER X The units you specify
If you want the software to reclassify your raster values into new values based
on a standard classification method, which of the following options would you
use? - ANSWER X Reclassify based on a table
If you were trying to allocate cells in a raster to a source and determine the
distance and direction from each cell to the closest source, which single tool
would you run to give you all these surfaces? - ANSWER Euclidean Allocation
Which tool allows you to write Python expressions to evaluate rasters or surface
data? - ANSWER Raster Calculator
Euclidean distance tools can be used to determine horizontal distances between
locations but cannot be used to determine vertical distances. - ANSWER False
When creating any Euclidean surface, you have to determine the output cell
size. What is a best practice when choosing an output cell size? - ANSWER
Choose a cell size that matches the data you already have so you do not imply
more resolution than there really is.
If you were performing a least-cost path analysis for building a new road
through an established residential area, which of the following factors would be
the most important in the analysis? - ANSWER Property value
Suppose that you used the Euclidean (straight-line) Distance tool and created a
direction surface based on the location of regional airports. Each cell value in
the direction surface indicates the direction to the nearest regional airport.
Which cell value will correspond to the airport location? - ANSWER 0
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