Raster

Question 1

Raster Data Model

Answer 1

Spatial data that is made up of pixels. Useful for storing date that varies continuously.

Question 2

Nodata Pixels

Answer 2

Pixels in a raster whose value is unknown

Question 3

Value Field

Answer 3

A list of each unique cell value in the raster dataset

Question 4

Count Field

Answer 4

The number of cells in the raster dataset with the cell value in the value field

Question 5

Feature to Raster Tool

Answer 5

A tool which converts any feature class that contains a point, line, or polygon to a raster dataset.

Question 6

Analysis Environments

Answer 6

The workspace into which results will be placed and the extent, cell size, and coordinate system of results.

Question 7

Raster Zones

Answer 7

Consist of cells that are adjacent, disconnected, or both. Usually represents a single feature of an area, such as a building or road.

Question 8

Raster Regions

Answer 8

Each group of connected cells in a zone.

Question 9

Region Group Tool

Answer 9

Geoprocessing tool that records, for each cell in the output, the identity of the connected region to which that cell belongs

Question 10

Zonal Statistics

Answer 10

A common spatial analysis procedure that calculates statistics on cell values of a raster (a value raster) within the zones defined by another dataset

Question 11

Zonal Histograms

Answer 11

Creates a table and histogram graph that shows the frequency distribution of cell values on the value input for each unique zone.