Chapter 10 - GIS Fundamentals Final

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GIS Fundamentals
Chapter 10
raster data analysis
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1

What is map algebra?

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2

Why must raster layers have compatible cell sizes and orientations for most raster combination operations?

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3

What is a null value in a raster data set? How is this null value typically treated in a raster operation?

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4

10.4 see page 475

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5

10.5 see page 475

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6

10.6 see page 476

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7

10.6 see page 477 - 10.9

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8

Give an example of a nested operation

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9

10.11-10.12 page 478

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10

What is the scope of a raster operation?

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11

Does a NOT operation applied to a raster cell value containing a NULL value return a NULL value, not a zero value, a 1, or some other nonnull value?

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12

Diagram an AND operation on a raster data cell.

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13

10.16-10.17

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14

Describe how local arithmetic functions can be used to apply a clip function in a raster environment

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15

What is a kernel in a moving window operation? Does the kernel size or shape change for different portions of the raster data set? Why or why not?

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16

10.20-10.21

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17

What is meant by high spatial covariance in a raster data layer?

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18

10.23-10.24

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