17724302
Descripción
Test por Maggie Samson, actualizado hace más de 1 año
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Creado por Maggie Samson
hace más de 5 años
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Pregunta 1
Pregunta
When working with raster data using the Describe function, which 3 different raster data elements could be returned?
Respuesta
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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
Pregunta 2
Pregunta
Which property(ies) of a raster object can you use to determine whether a raster has more than one band? (select all that apply)
Respuesta
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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
Pregunta 3
Pregunta
Which of the following properties are associated with individual raster bands, but not with multiband raster datasets? (select all that apply)
Respuesta
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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
Pregunta 4
Pregunta
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?
Respuesta
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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
Pregunta 5
Pregunta
Raster is a class of the arcpy.sa module.
Respuesta
- True
- False
Pregunta 6
Pregunta
When using arcpy.sa, what does a map algebra expression by default?
Respuesta
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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
Pregunta 7
Pregunta
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)
Respuesta
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NbrRectangle
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env
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save
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FocalStatistics
Pregunta 8
Pregunta
Consider the following code:
import arcpy
from arcpy.sa import *
What does import * accomplish?
Respuesta
-
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
Pregunta 9
Pregunta
Which of the following are classes are part of the arcpy.sa module and are used to define parameters of raster tools?
Respuesta
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ValueTable
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SearchNeighborhoodStandard
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NbrCircle
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RadiusFixed
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RemapValue
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Raster
Pregunta 10
Pregunta
The arcpy.sa module only has one function. Which one is it?
Respuesta
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RasterObject
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SpatialReference
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MapAlgebra
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ApplyEnvironment
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