CORRECT AND WELL DETAILED
Geospatial Science - ANSWER Deals with the structure, manipulation, analysis, and
display of "spatial data"
Model Scale - ANSWER ("Length" of model)/("Length" of real thing)
Map Scale - ANSWER (Map distance)/(Ground distance)
Resolution - ANSWER It deals with how accurately the location and shape of map
features can be depicted for a given map scale
Precision - ANSWER Amount of numeric detail
Minimum Mapping Unit - ANSWER Min sizes/dimensions of features to be displayed;
usually decided on by the map maker
Cartography - ANSWER The science that deals with the construction, use, and principles
behind maps
Meridian - ANSWER Intersection of Earth and a plane that passes through the poles.
Converge at the poles
Parallel - ANSWER Intersection of Earth and a plane that is perpendicular to the rotation
axis (Equator, Latitude)
Geoid - ANSWER Figure that adjusts the ellipsoid for local variations in gravity
, Datum - ANSWER A mathematical model which estimates the shape of a spheroid
Horizontal Datum - ANSWER Used in measuring position. Includes a set of precise
control points (measurements taken in the field or space) for specific surface locations (i.e.
North America, Europe, Japan, etc.).
Vertical Datum - ANSWER Used in measuring elevations (Tides and sea level, Geodetic
surveying)
Projections - ANSWER Representation of a sphere or ellipsoid on a planar surface
Gnomonic - ANSWER Light source from center of globe. Shortest distance between 2
points on the globe is a straight line. Aviation maps
Stereographic - ANSWER Light source opposite where projection is tangent to globe.
Conformal projections. Preserves shape
Orthographic - ANSWER Light source = infinity. Preserves true direction
Conformal - ANSWER Preserves shape Lambert Conformal
Equal Area (Equivalent) - ANSWER Preserves area Ex: Albers Equal-Area
Compromise - ANSWER Preserves neither Ex: Gall Stereographic Cylindrical
Coordinate Systems - ANSWER Standardized method for assigning codes to locations
Geospatial Science - ANSWER Deals with the structure, manipulation, analysis, and
display of "spatial data"
Model Scale - ANSWER ("Length" of model)/("Length" of real thing)
Map Scale - ANSWER (Map distance)/(Ground distance)
Resolution - ANSWER It deals with how accurately the location and shape of map
features can be depicted for a given map scale
Precision - ANSWER Amount of numeric detail
Minimum Mapping Unit - ANSWER Min sizes/dimensions of features to be displayed;
usually decided on by the map maker
Cartography - ANSWER The science that deals with the construction, use, and principles
behind maps
Meridian - ANSWER Intersection of Earth and a plane that passes through the poles.
Converge at the poles
Parallel - ANSWER Intersection of Earth and a plane that is perpendicular to the rotation
axis (Equator, Latitude)
Geoid - ANSWER Figure that adjusts the ellipsoid for local variations in gravity
, Datum - ANSWER A mathematical model which estimates the shape of a spheroid
Horizontal Datum - ANSWER Used in measuring position. Includes a set of precise
control points (measurements taken in the field or space) for specific surface locations (i.e.
North America, Europe, Japan, etc.).
Vertical Datum - ANSWER Used in measuring elevations (Tides and sea level, Geodetic
surveying)
Projections - ANSWER Representation of a sphere or ellipsoid on a planar surface
Gnomonic - ANSWER Light source from center of globe. Shortest distance between 2
points on the globe is a straight line. Aviation maps
Stereographic - ANSWER Light source opposite where projection is tangent to globe.
Conformal projections. Preserves shape
Orthographic - ANSWER Light source = infinity. Preserves true direction
Conformal - ANSWER Preserves shape Lambert Conformal
Equal Area (Equivalent) - ANSWER Preserves area Ex: Albers Equal-Area
Compromise - ANSWER Preserves neither Ex: Gall Stereographic Cylindrical
Coordinate Systems - ANSWER Standardized method for assigning codes to locations
