Zusammenfassung der Ressource
Frage 1
Frage
When working with raster data using the Describe function, which 3 different raster data elements could be returned?
Antworten
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raster band
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raster file
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raster image
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raster dataset
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raster catalog
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raster collection
Frage 2
Frage
Which property(ies) of a raster object can you use to determine whether a raster has more than one band? (select all that apply)
Antworten
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format
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bandCount
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dataType
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pixelType
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isMultiband
Frage 3
Frage
Which of the following properties are associated with individual raster bands, but not with multiband raster datasets? (select all that apply)
Antworten
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noDataValue
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format
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compressionType
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pixelType
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bandCount
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meanCellWidth
Frage 4
Frage
Consider the following code:
import arcpy
arcpy.env.workspace = "C:/Mydata"
rasterlist = arcpy.ListRasters()
for raster in rasterlist:
print raster
The result is as follows:
elevation
What file format is the file called elevation?
Antworten
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ERDAS IMAGINE
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TIFF
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raster
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Esri GRID
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feature class
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DEM
Frage 5
Frage
Raster is a class of the arcpy.sa module.
Frage 6
Frage
When using arcpy.sa, what does a map algebra expression by default?
Antworten
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a raster file
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a raster dataset
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a describe object
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a raster object
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a geoprocessing object
Frage 7
Frage
Consider the following script:
import arcpy
from arcpy import env
from arcpy.sa import *
env.workspace = "C:/raster"
mynbr = NbrRectangle(5, 5, "CELL")
outraster = FocalStatistics ("landuse", mynbr, "VARIETY")
outraster.save("C:/raster/lu_var")
Which of the following is (are) a class of the arcpy.sa module? (select all that apply)
Antworten
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NbrRectangle
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env
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save
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FocalStatistics
Frage 8
Frage
Consider the following code:
import arcpy
from arcpy.sa import *
What does import * accomplish?
Antworten
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imports the arcpy.sa module so all the properties and method can be utilized
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imports any of the submodules associated with the arcpy.sa module so they don't need to be called separately
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imports all the functions and other elements from the arcpy.sa module so they can be called directly
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imports all the raster objects
Frage 9
Frage
Which of the following are classes are part of the arcpy.sa module and are used to define parameters of raster tools?
Frage 10
Frage
The arcpy.sa module only has one function. Which one is it?
Antworten
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RasterObject
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SpatialReference
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MapAlgebra
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ApplyEnvironment