georeferencing systems

DM-48 - Plane coordinate systems
  • Explain why plane coordinates are sometimes preferable to geographic coordinates
  • Identify the map projection(s) upon which UTM coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grid
  • Discuss the magnitude and cause of error associated with UTM coordinates
  • Differentiate the characteristics and uses of the UTM coordinate system from the Military Grid Reference System (MGRS) and the World Geographic Reference System (GEOREF)
  • Explain what State Plane Coordinates system (SPC) eastings and northings represent
  • Associate SPC coordinates and zone specifications with corresponding positions on a U.S. map or globe
  • Identify the map projection(s) upon which SPC coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grids
  • Discuss the magnitude and cause of error associated with SPC coordinates
  • Recommend the most appropriate plane coordinate system for applications at different spatial extents and justify the recommendation
  • Critique the U.S. Geological Survey’s choice of UTM as the standard coordinate system for the U.S. National Map
  • Describe the characteristics of the “national grids” of countries other than the U.S.
  • Explain what Universal Transverse Mercator (UTM) eastings and northings represent
  • Associate UTM coordinates and zone specifications with corresponding position on a world map or globe
DM-49 - Tessellated referencing systems
  • Explain the concept “quadtree”
  • Describe the octahedral quarternary triangulated mesh georeferencing system proposed by Dutton
  • Discuss the advantages of hierarchical coordinates relative to geographic and plane coordinate systems
DM-47 - Geographic coordinate system
  • Distinguish between various latitude definitions (e.g., geocentric, geodetic, astronomic latitudes)
  • Explain the angular measurements represented by latitude and longitude coordinates
  • Calculate the latitude and longitude coordinates of a given location on the map using the coordinate grid ticks in the collar of a topographic map and the appropriate interpolation formula
  • Mathematically express the relationship between Cartesian coordinates and polar coordinates
  • Calculate the uncertainty of a ground position defined by latitude and longitude coordinates specified in decimal degrees to a given number of decimal places
  • Use GIS software and base data encoded as geographic coordinates to geocode a list of address-referenced locations
  • Locate on a globe the positions represented by latitude and longitude coordinates
  • Write an algorithm that converts geographic coordinates from decimal degrees (DD) to degrees, minutes, seconds (DMS) format
DM-49 - Tessellated referencing systems
  • Explain the concept “quadtree”
  • Describe the octahedral quarternary triangulated mesh georeferencing system proposed by Dutton
  • Discuss the advantages of hierarchical coordinates relative to geographic and plane coordinate systems
DM-47 - Geographic coordinate system
  • Distinguish between various latitude definitions (e.g., geocentric, geodetic, astronomic latitudes)
  • Explain the angular measurements represented by latitude and longitude coordinates
  • Calculate the latitude and longitude coordinates of a given location on the map using the coordinate grid ticks in the collar of a topographic map and the appropriate interpolation formula
  • Mathematically express the relationship between Cartesian coordinates and polar coordinates
  • Calculate the uncertainty of a ground position defined by latitude and longitude coordinates specified in decimal degrees to a given number of decimal places
  • Use GIS software and base data encoded as geographic coordinates to geocode a list of address-referenced locations
  • Locate on a globe the positions represented by latitude and longitude coordinates
  • Write an algorithm that converts geographic coordinates from decimal degrees (DD) to degrees, minutes, seconds (DMS) format
DM-48 - Plane coordinate systems
  • Explain why plane coordinates are sometimes preferable to geographic coordinates
  • Identify the map projection(s) upon which UTM coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grid
  • Discuss the magnitude and cause of error associated with UTM coordinates
  • Differentiate the characteristics and uses of the UTM coordinate system from the Military Grid Reference System (MGRS) and the World Geographic Reference System (GEOREF)
  • Explain what State Plane Coordinates system (SPC) eastings and northings represent
  • Associate SPC coordinates and zone specifications with corresponding positions on a U.S. map or globe
  • Identify the map projection(s) upon which SPC coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grids
  • Discuss the magnitude and cause of error associated with SPC coordinates
  • Recommend the most appropriate plane coordinate system for applications at different spatial extents and justify the recommendation
  • Critique the U.S. Geological Survey’s choice of UTM as the standard coordinate system for the U.S. National Map
  • Describe the characteristics of the “national grids” of countries other than the U.S.
  • Explain what Universal Transverse Mercator (UTM) eastings and northings represent
  • Associate UTM coordinates and zone specifications with corresponding position on a world map or globe
DM-49 - Tessellated referencing systems
  • Explain the concept “quadtree”
  • Describe the octahedral quarternary triangulated mesh georeferencing system proposed by Dutton
  • Discuss the advantages of hierarchical coordinates relative to geographic and plane coordinate systems
DM-48 - Plane coordinate systems
  • Explain why plane coordinates are sometimes preferable to geographic coordinates
  • Identify the map projection(s) upon which UTM coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grid
  • Discuss the magnitude and cause of error associated with UTM coordinates
  • Differentiate the characteristics and uses of the UTM coordinate system from the Military Grid Reference System (MGRS) and the World Geographic Reference System (GEOREF)
  • Explain what State Plane Coordinates system (SPC) eastings and northings represent
  • Associate SPC coordinates and zone specifications with corresponding positions on a U.S. map or globe
  • Identify the map projection(s) upon which SPC coordinate systems are based, and explain the relationship between the projection(s) and the coordinate system grids
  • Discuss the magnitude and cause of error associated with SPC coordinates
  • Recommend the most appropriate plane coordinate system for applications at different spatial extents and justify the recommendation
  • Critique the U.S. Geological Survey’s choice of UTM as the standard coordinate system for the U.S. National Map
  • Describe the characteristics of the “national grids” of countries other than the U.S.
  • Explain what Universal Transverse Mercator (UTM) eastings and northings represent
  • Associate UTM coordinates and zone specifications with corresponding position on a world map or globe
DM-47 - Geographic coordinate system
  • Distinguish between various latitude definitions (e.g., geocentric, geodetic, astronomic latitudes)
  • Explain the angular measurements represented by latitude and longitude coordinates
  • Calculate the latitude and longitude coordinates of a given location on the map using the coordinate grid ticks in the collar of a topographic map and the appropriate interpolation formula
  • Mathematically express the relationship between Cartesian coordinates and polar coordinates
  • Calculate the uncertainty of a ground position defined by latitude and longitude coordinates specified in decimal degrees to a given number of decimal places
  • Use GIS software and base data encoded as geographic coordinates to geocode a list of address-referenced locations
  • Locate on a globe the positions represented by latitude and longitude coordinates
  • Write an algorithm that converts geographic coordinates from decimal degrees (DD) to degrees, minutes, seconds (DMS) format
DM-47 - Geographic coordinate system
  • Distinguish between various latitude definitions (e.g., geocentric, geodetic, astronomic latitudes)
  • Explain the angular measurements represented by latitude and longitude coordinates
  • Calculate the latitude and longitude coordinates of a given location on the map using the coordinate grid ticks in the collar of a topographic map and the appropriate interpolation formula
  • Mathematically express the relationship between Cartesian coordinates and polar coordinates
  • Calculate the uncertainty of a ground position defined by latitude and longitude coordinates specified in decimal degrees to a given number of decimal places
  • Use GIS software and base data encoded as geographic coordinates to geocode a list of address-referenced locations
  • Locate on a globe the positions represented by latitude and longitude coordinates
  • Write an algorithm that converts geographic coordinates from decimal degrees (DD) to degrees, minutes, seconds (DMS) format

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