Gibson GIS Exam 2 Review

Data that represents a state in time

An organized collection of predefined colors, symbols, properties of symbols, and map elements

Data that represents phenomena with distinct boundaries

The arrangement of elements on a map, including a title, legend, north arrow, scale bar, etc

A means of identifying areas to be included in analysis

Symbolic representation of an operation performed against one or more operands in an expression

Integration of spatial data that preserves features that fall w/in areas common to all input d.

The limit of geographic area shown on a map, usually defined by a rectangle

Descriptive text, usually based on one or more feature attributes

GIS operation for converting street addresses into spatial data that can be displayed on a map

An alternative name specified for fields, tables, files, or datasets that is more descriptive

Shadows drawn on a map to simulate the effects of the sun’s rays over the terrain of the land

An all-purpose view for exploring, displaying, and querying geographic data

A statement or logical expression that selects geographic features based on location

The geometric intersection of multiple datasets to combine, erase, modify, or update features

Attribute that determines the kind of data a variable can store: character, integer, decimal...

Calculates a magnitude-per-unit area from features using a function to fit a tapered surface

Analysis that identifies statistically significant spatial clusters of high values & low values

Graphically represents the relationship between distance on the ground to distance on the map

An operation that calculates distance and additional proximity information between features

Data that varies without discrete steps

The interface used to build and edit geoprocessing models

Text placed on a layout that changes based on the current properties of an element

Integration of spatial data that preserves all features that fall w/in areas of all input data

The absence of a recorded value in a cell

The process of taking input cell values and replacing them with new output cell values

A graphic and written description of what each map symbol represents

The smallest unit of information in raster data and has an attribute value associated with it

A zone around a feature measured in distance or time, and is useful for proximity analysis

Used to restrict labels to certain features or to specify different label fields, symbols, etc

The compass direction that a topographic slope faces, usually measured in degrees from north

A raster representation of an elevation surface

A map symbol that shows the direction of north on the map, thus showing how the map is oriented

A container for maps on your layout, which can reference any map or scene in your project

Height above the horizon, measured in degrees, from which a light source illuminates a surface

The direction from which a light source illuminates a surface

Geoprocessing that removes boundaries between adjacent polygons that have the same value

Applying mathematical operations and analytical functions to create new map themes

A command that extracts features from one feature class that reside entirely within another

A dataset that stores address attributes and rules for translating nonspatial into spatial data