GISP Exam Study Guide with Complete Solutions
Data exploration - Answer️️ -Data-centered query and analysis
Dynamic Segmentations - Answer️️ -A data model that allows the use of
linearly measured data on a coordinate system
Georelational data model - Answer️️ -A vector data model th...
Data exploration - Answer✔️✔️-Data-centered query and analysis
Dynamic Segmentations - Answer✔️✔️-A data model that allows the use of
linearly measured data on a coordinate system
Georelational data model - Answer✔️✔️-A vector data model that uses a
split system to store geometries and attributes
GeoSpatial data - Answer✔️✔️-Data that describes both the locations and
characteristics of spatial features on the earth surface
Object-based data model - Answer✔️✔️-A data model that uses objects to
organize spatial data and stores geometries and attributes in a single
system
Raster data model - Answer✔️✔️-A data model that uses a grid and cells to
represent the spatial variation of a feature
Relational Database - Answer✔️✔️-A collection of tables in which tables are
connected to one another by keys
Topology - Answer✔️✔️-A subfield of mathematics that when applied to
GIS, ensures that the spatial relationships between features are expressed
explicitly
Triangulated irregular network (TIN) - Answer✔️✔️-Composite vector data
that approximate the terrain with a set of nonoverlapping triangles
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Vector data model - Answer✔️✔️-A spatial data model that uses points and
their x y coordinates to construct spatial features of points, lines and
polygons
Azimuthal Projection - Answer✔️✔️-One type of map projection that retains
certain accurate directions. Azimuthal also refers to one type of map
projection that uses a plane as the projection surface
Central lines - Answer✔️✔️-The central parallel and the central meridian.
Together, they define the center or the origin of a map projection
Clarke 1866 - Answer✔️✔️-A ground-measured ellipsoid, which is the basis
for the North American Datum of 1927 (NAD27)
Conformal projection - Answer✔️✔️-One type of map projection that
preserves local shapes
Conic Projection - Answer✔️✔️-One type of map projection that uses a cone
as the projection surface
Cylindrical Projection - Answer✔️✔️-One type of map projection that uses a
cylinder as the projection surface
Datum - Answer✔️✔️-The basis for calculating the geographic coordinates of
a location. An ellipsoid is a required input to the derivation of a datum
Datum shift - Answer✔️✔️-A change from one datum to another, such as
from NAD27 to NAD83, which can result in substantial horizontal shifts of
point positions
Decimal degrees (DD) system - Answer✔️✔️-A measurement system for
long and lat values such as 42.5
Degrees minutes seconds - Answer✔️✔️-A measurement system for long
and lat values such as 42 30' 00", in which 1 degree equals 60 minutes and 1
minute equals 60 seconds
Ellipsoid - Answer✔️✔️-A model that approximates the earth, ALSO called
spheroid
Equidistant projection - Answer✔️✔️-One type of map projection that
represents areas in correct relative size
False easting - Answer✔️✔️-A value applied to the origin of a coordinate
system to change the x-coordinate readings
False northing - Answer✔️✔️-A value applied to the origin of a coordinate
system to change the x-coordinate readings
Geographic Coordinate data base (GCDB) - Answer✔️✔️-A Database
developed by the US bro of Land Managment (BLM) to include long and
lat values and other descriptive information for section corners and
monuments recorded in the PLSS
Geographic Coordinate System - Answer✔️✔️-A location reference system
for spatial features on the Earths surface
GRS80 - Answer✔️✔️-A satellite-determined ellipsoid for the Geodetic
Reference System
Lambert Conformal conic projection - Answer✔️✔️-A common map
projection, which is the basis for the SPC system for many states
Latitude - Answer✔️✔️-The angle north or south of the equatorial plane
Longitude - Answer✔️✔️-The angle east or west from the prime meridian
Map Projection - Answer✔️✔️-A systematic arrangement of parallels and
meridians on a plane surface
Meridians - Answer✔️✔️-Lines of longitude that measure locations in the E-
W direction on the geographic coordinate system
NAD27 - Answer✔️✔️-North American Datum of 1927 which is based on the
clarke 1866 ellipsoid
NAD83 - Answer✔️✔️-North American Datum of 1983 which is based on the
GRS80 ellipsoid and has its origin at the center of the ellipsoid
Parallels - Answer✔️✔️-Lines of latitude that measure locations in the N-S
direction on the geographic coordinate system
Principal scale - Answer✔️✔️-Same as the scale of the reference globe
Projected coordinate system - Answer✔️✔️-A plane coordinate system that
is based on a map projection
Projection - Answer✔️✔️-The system used to transfer locations from Earth's
surface to a flat map.
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