Geo 365 Midterm 1

Front 1

Data-centered query and analysis

Back 1

Data Exploration

Front 2

A data model that allows the use of linearly measured data on a coordinate system

Back 2

Dynamic segmentation

Front 3

A computer system for capturing, storing, querying, analyzing, and displaying geospatial data.

Back 3

Geographic information system

Front 4

A vector data model that uses a split system to store geometries and attributes

Back 4

Georelational data model

Front 5

Data that describe both the locations and characteristics of spatial features on the Earth's surface

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Geospatial data

Front 6

A data model that uses objects to organize spatial data and stores geometries and attributes in a single system

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Object-based data model

Front 7

The process of transforming from a geographic coordinate system to a projected coordinate system

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Projection

Front 8

A data model that uses a grid and cells to represent the spatial variation of a feature

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Raster data model

Front 9

Composite vector data that can have spatially disoint and overlapping polygons

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Regions

Front 10

A collection of tables in which tables are connected to one another by keys

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Relational database

Front 11

A subfield of mathematics that, when applied to GIS, ensures that the spatial relationships between features are expressed explicitly

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Topology

Front 12

Composite vector data that approximate the terrain with a set of nonoverlapping triangles

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Triangulated irregular network

Front 13

A spatial data model that uses points and their s, y coordinates to construct spatial features of points, lines and polygons

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Vector data model

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One type of map projection that retains certain accurate directions

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Azimuthal projection

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The central parallel and the central meridian and the two

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central lines

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A ground measured spheroid, the basis for the NAD 27

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Clarke 1866

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One type of map projection that preserves local shapes

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Conformal Projection

Front 18

One type of map projection that uses a cone as the projection surface

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Conic projection

Front 19

One type of map projection that uses a cylinder as the projection surface

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Cylindrical projection

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The basis for calculating the geographic coordinates of a location

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Datum

Front 21

A change from one datum to another such as NAd 27 to NAD83

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Datum shift

Front 22

this is an example of . . . 42.5 degrees 3' 44"

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Degrees minutes seconds

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A model that approximates the Earth

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Spheroid or ellipsoid

Front 24

One type of map projection that maintains consistency of scale for certain distances

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Equidistant projection

Front 25

One type of map projection that represents areas in correct relative size

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Equivalent projection

Front 26

A value applied to hte origin of a coordinate system to change the x coordinate readings.

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false easting

Front 27

A value applied to the origin of a coordinate system to change the y coordinate readings

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False northing

Front 28

A database developed by the US bureau of land management to include longitude and latitude values and other descriptive info for section corners and monuments recorded in the PlSS

Back 28

Geographic coordinate data base

Front 29

A location reference system for spatial features on the Earth's surface

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Geographic coordinate system

Front 30

A satellite determined spheroid for the Geodetic Reference system 1980

Back 30

GRS80

Front 31

A common map projection, which is the basis for theSPC system for many states

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Lambert conformal conic projection

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The angle north or south of the Equatorial plane

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Latitude

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The angle east or west from the prime meridian

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Longitute

Front 34

A systematic arrangement of parallels and meridians on a plane surface

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Map projection

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lines of longitude that measure locations in the E-W direction on the geographic coordinate system

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Meridians

Front 36

Based on the Clarke 1866 spheroid. Where is its center?

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NAD 27 Meades Ranch, Kansas

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Based on the GRS80 Spheroid and its origin is where?

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NAD83 and the center of the spheroid

Front 38

Lines of latitude that measure locations in the N-S direction on the geographic coordinate system

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Parallels

Front 39

Same as the scale of the reference globe

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Principal scale

Front 40

A plane coordinate system that is based on a map projection

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Projected coordinate system

Front 41

The process of transforming the spatial relationship of features on the Earth's surface to a flat map

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Projection

Front 42

A land partitioning system used in the US

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Public land survey system

Front 43

Projection of spatial data from one projected coordinate system to another

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Reprojection

Front 44

Ration of the local scale to the scale of the reference golbe.

Back 44

Scale factor

Front 45

A model that approximates the Earth

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Spheroid or Ellipsoid

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Line of tangency between the projection surface and the reference globe

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Standard line

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A standard line that follows a meridian

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Standard meridian

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A standard line that follows a parallel

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Standard parallel

Front 49

A coordinate system developed in the 1930's to permanently record original land survey monument locations in the US

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State Plane Coordinate system

Front 50

A common map projection, which is the basis for the UTM grid system and the SPC system

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Transverse Mercator projection

Front 51

A grid system that divides the polar area into a series of 100,000 meter squares similar to the UTM gird system

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Universal polar sterographic gird system

Front 52

A coordinate system that divides the earths surface between 84 N and 80 S into 60 zones

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Universal transverse Mercator grid system

Front 53

A satellite determined spheroid for the wgs 1984

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WGS1984

Front 54

A value applied to z coordinate readings to reduce the number of digits

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x shift

Front 55

A value applied the y coordinate readings to reduce the number of digits

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Y shift

Front 56

A line connected to two end points

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Arc

Front 57

A collection of objects used by ArcGIS desktop

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Arc Objects

Front 58

A toplogical relationship used in ESRI's coverage data format that stipulates that an area is defined by a series of connected arcs

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Area Definition

Front 59

A topological relationship used in ESRI's coverage data format that stipulates that arcs have directions and left and right plygons

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Contiguity

Front 60

A toplogical vector data format used in ESRI products

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Coverage

Front 61

A principle used in objectoriented tech. to hide the properties and methods of an object so that the object can be accessed only through the predefined interfaces

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Encapsulation

Front 62

A data set that stores features of the same geometry type in a geodatabase

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feature class

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A collection of feature classes in a geodatabase that share the same coordinate system and area extent

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Feature dataset

Front 64

An object based vector data model developedbyESrI

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Geodatabase

Front 65

A GIS data model thatstores geometries and attributes in two separate but related file systems

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Georelational data model

Front 66

A subfield of mathematics that uses diagrams or graphs to study the arrangements of objects and the relationships among objects

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Graph theory

Front 67

A spatial feature that is represented by a series of pints

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line

Front 68

A specific action that an object can preform

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method

Front 69

The beginning or end pint of a line

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node

Front 70

An entity such as a feature layer that has a set of properties and mehtods

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object

Front 71

A principle used in objectoriented tech. to hide the properties and methods of an object so that the object can be accessed only through the predefined interfaces

Back 71

Encapsulation

Front 72

A data set that stores features of the same geometry type in a geodatabase

Back 72

feature class

Front 73

A collection of feature classes in a geodatabase that share the same coordinate system and area extent

Back 73

Feature dataset

Front 74

An object based vector data model developedbyESrI

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Geodatabase

Front 75

A GIS data model thatstores geometries and attributes in two separate but related file systems

Back 75

Georelational data model

Front 76

A subfield of mathematics that uses diagrams or graphs to study the arrangements of objects and the relationships among objects

Back 76

Graph theory

Front 77

A spatial feature that is represented by a series of pints

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line

Front 78

A specific action that an object can preform

Back 78

method

Front 79

The beginning or end pint of a line

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node

Front 80

An entity such as a feature layer that has a set of properties and mehtods

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object

Front 81

A vector data model that uses objects to organize spatial data

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Object based data model

Front 82

A spatial feature that is represented by a pair of coordinates and has one location

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point

Front 83

A spatial feature, a series of lines has properties of location size and perimeter

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Polygon

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An attribute or characteristic of an object

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property

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A linear feature that allows linear measures to be used on a projected coordinate syste

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route

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A part of a route that refers to the underlying arcs and positions

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Section

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A nontoplogical vector data format used in ESRI products

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Shapefile

Front 88

A subfield of mathematics that studies properties of geometric objects that remain invaiant under certain transformations such as being or stretching

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Topology