Exam (elaborations)
Esri. Getting Started with GIS. Questions and Answers 2024
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Esri. Getting Started with GIS.
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Esri. Getting Started with GISattribute query - answer Request for features based on values in the attribute table. The
three basic components of an attribute query are the attribute field, operator, and
attribute value.
feature - answer A representation of a real-world object on a GIS map.
geographic coordinates - answer A measurement of a location on the earth's surface
expressed in degrees of latitude and longitude.
GIS - answer Acronym for geographic information system. An integrated system of data,
software, hardware, people and workflows used to answer questions, make decisions,
and provide tools to create, share, and use geographic information.
layer - answer References GIS data that represents real world features. The layer
creates a symbol to represent the collection of these features. The features in a layer
have the same theme, geometry, and set of attributes.
location query - answer Request for features based on the location and spatial
relationship to other features. The three basic components of a location query are the
layer containing features to select, the location relationship, and the layer containing the
related features.
metadata - answer Information that describes the content, quality, condition, origin, and
other characteristics of data.
raster - answer A data model that defines surfaces as an array of equally sized cells
arranged in rows and columns. Each cell contains an attribute or measurement value. A
raster's origin, cell size, and relative cell location are used to determine the location of
the cells and raster on the earth.
scale - answerRelationship between the size of a feature on a map and the actual size
of that feature in the real world. Scales can be expressed as a ratio or an equivalence.
vector - answerA data model that represents geographic features as points, polylines,
and polygons. Attributes are associated with each vector feature, as opposed to a raster
data model, which associates attributes with grid cells. Vector data uses pairs of
geographic coordinates to determine the location of the features on the earth.
Points - answerPoints are a single XY coordinate location. This image illustrates the
points used to represent trees. Each point has a longitude and latitude location (also
referred to as geographic coordinates) that defines the precise location of the feature on
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