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GIS Exam Study Guide with Complete Solutions
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GIS Exam Study Guide with Complete Solutions Spatial data - Answer-All of the information that can be tied to a specific locations. Data with a geographic location, representation, or reference point that it describes. Visually represented as layers which allow the user to select different sets...

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  • October 5, 2024
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  • 2024/2025
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  • gis exam study guide with complete solutions

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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024




GIS Exam Study Guide with Complete
Solutions

Spatial data - Answer✔✔-All of the information that can be tied to a specific locations.


Data with a geographic location, representation, or reference point that it describes.


Visually represented as layers which allow the user to select different sets of data to display the main

viewing window in a stacking manner.


Cartography - Answer✔✔-The science of mapmaking, including data inclusion, layout, elements, colors,

and design.


Shapefile - Answer✔✔-A vector data storage format for storing the location, shape, and attributes of

geographic features.


An Esri proprietary data format for storing geographic data. Very cross-GIS compatible, but limiting in

many aspects. Often misused to mean any geographic dataset as in "could you send me that shapefile?"


Layer - Answer✔✔-A) The distinct data elements that compose a map document, ordered one of top of

the next for GIS drawing order (top drawn is the last and seen first)


B) A single data element, saved into a GIS file format along with its associated symbiology.


Scale - Answer✔✔-The ratio of size of element on screen or in print on the map to their size in the real

world.




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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024


Raster - Answer✔✔-Spatial data that stores location based upon single origin point and a data stream of

known width, height, and resolution. Often used for continuous surfaces.


Rasters are characterized primarily by their width, height, cell size, and origin location. Each cell in a

single-band raster contains one value for the area covered by that pixel.


A grid of pixels with a uniform value within each pixel.


DEM - Answer✔✔-Digital Elevation Model- a representation of the terrain surface, created by measuring

a set of equally spaced elevation values


A specific case of raster data where the pixel value represents the elevation of areas covered by the

pixel. Sometimes called a DTM (digital terrain model) or DED (digital elevation dataset).


Vector - Answer✔✔-Spatial data that stores location using Cartesian coordinate locations.


Point - Answer✔✔-A single spot in (usually) two dimensional space. Attributes represent only that

location (and sometimes are inferred to represent nearby locations)


Line (Polyline) - Answer✔✔-Multiple points connected to represent all locations in between along the

connection.


Polygon - Answer✔✔-Multiple polylines connected to create a boundary.


Polygon zones are generalized representations where all location contained within the boundaries are

considered to have the same property.


Coordinate System / Spatial Reference - Answer✔✔-Defines the origin point, coordinate space, and

geoid for a dataset's spatial data



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