GEOM 73 - Python Quiz 4

1

When working with raster data using the Describe function, which 3 different raster data elements could be returned?

1

Which property(ies) of a raster object can you use to determine whether a raster has more than one band? (select all that apply)

1

Which of the following properties are associated with individual raster bands, but not with multiband raster datasets? (select all that apply)

1

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?

1

Raster is a class of the arcpy.sa module.

1

When using arcpy.sa, what does a map algebra expression by default?

1

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)

1

Consider the following code:

import arcpy
from arcpy.sa import *

What does import * accomplish?

1

Which of the following are classes are part of the arcpy.sa module and are used to define parameters of raster tools?

Geography Quiz sobre GEOM 73 - Python Quiz 4, criado por Maggie Samson em 14-04-2019.

GEOM 73 - Python Quiz 4

GEOM 73 - Python Quiz 4

When working with raster data using the Describe function, which 3 different raster data elements could be returned?

Which property(ies) of a raster object can you use to determine whether a raster has more than one band? (select all that apply)

Which of the following properties are associated with individual raster bands, but not with multiband raster datasets? (select all that apply)

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?

Raster is a class of the arcpy.sa module.

When using arcpy.sa, what does a map algebra expression by default?

Consider the following code: import arcpy from arcpy.sa import * What does import * accomplish?

Which of the following are classes are part of the arcpy.sa module and are used to define parameters of raster tools?

The arcpy.sa module only has one function. Which one is it?

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?

Consider the following code:

import arcpy
from arcpy.sa import *

What does import * accomplish?