Wolfram 语言与系统 10.0 (2014)|旧版文档

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GeoProjectionData

GeoProjectionData["projection","property"]
gives the value of the specified property for the specified cartographic projection.

GeoProjectionData["projection"]
gives the complete options for the default form of the specified projection.

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  • GeoProjectionData[] gives the list of available cartographic projections.
  • GeoProjectionData["projection","Name"] gives the full name of projection .
  • GeoProjectionData["Spherical"] gives the list of all projections that refer to a spherical model.
  • GeoProjectionData["Ellipsoidal"] gives the list of all projections that refer to an ellipsoidal model.
  • GeoProjectionData["projection","Properties"] gives the names of all parameters and properties available for the projection specified by .
  • GeoProjectionData["projection"] gives a result of the form where common options include:
  • "Centering"latitude and longitude defining the origin of the projection
    "CentralScaleFactor"scale factor at the central meridian or center of projection
    "GridOrigin"grid coordinates of the central parallel and meridian
    "ReferenceModel"what reference sphere or ellipsoid to use
    "StandardParallels"standard parallel {ϕ} or parallels
  • Typical settings for include:
  • longcentral meridian
    {lat,long} or GeoPosition[{lat,long}]central parallel lat and meridian long
    {{lat,long},α}point on center line and azimuth (Oblique Mercator)
    {{lat1,long1},{lat2,long2}}two points on center line (Oblique Mercator)
    {long1,long2}central meridian and true-to-scale meridian (IMW polyconic)
  • Valid settings for :
  • rradius of reference sphere
    {a,b}semimajor and semiminor axis of reference ellipsoid
    {a,{invf}}semimajor axes and inverse flattening
    "name"name of the geodetic datum or reference ellipsoid
  • Available projections for a spherical reference model include:
  • "Albers"Albers equal-area conic
    "AzimuthalEquidistant"azimuthal equidistant
    "BipolarObliqueConicConformal"bipolar oblique conic conformal
    "Bonne"Bonne
    "Cassini"Cassini
    "ConicEquidistant"conic equidistant
    "CylindricalEqualArea"cylindrical equal-area
    "CylindricalEquidistant"cylindrical equidistant
    "EckertIV"Eckert IV
    "EckertVI"Eckert VI
    "Equirectangular"simple cylindrical equirectangular
    "Gnomonic"gnomonic
    "LambertAzimuthal"Lambert azimuthal equal-area
    "LambertConformalConic"Lambert conformal conic
    "LambertCylindrical"Lambert cylindrical
    "Mercator"Mercator
    "MillerCylindrical"Miller cylindrical
    "Mollweide"Mollweide
    "ObliqueMercator"oblique Mercator
    "Orthographic"orthographic
    "Stereographic"stereographic
    "TransverseMercator"transverse Mercator
    "Polyconic"polyconic
    "Robinson"Robinson
    "Sinusoidal"sinusoidal
    "VanDerGrinten"van der Grinten
    "WinkelTripel"Winkel tripel
  • Available projections for an ellipsoidal reference model include:
  • "Albers"Albers equal-area conic
    "AzimuthalEquidistant"azimuthal equidistant
    "ConicEquidistant"conic equidistant
    "LambertConformalConic"Lambert conformal conic
    "LambertConformalConicNGS"Lambert conformal conic (NGS)
    "LambertCylindrical"Lambert cylindrical
    "Mercator"Mercator
    "ObliqueMercator"oblique Mercator
    "ObliqueMercatorNGS"oblique Mercator (NGS)
    "Stereographic"stereographic
    "TransverseMercator"transverse Mercator
  • GeoProjectionData supports all projections used by the U.S. State Plane Coordinate Systems from 1927 to 1983.
  • GeoProjectionData["SPCS27"] and GeoProjectionData["SPCS83"] give the names of all state plane zones.
  • GeoProjectionData["UTMZone"] gives names for all UTM zones.
  • For any state plane or UTM zone, GeoProjectionData["zone"] gives the name and the standard parameters of the projection used.
  • A geoprojection proj can be used in GeoGridPosition[pos,proj] or in GeoGraphics[prims,GeoProjection->proj].

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基本范例  (4)基本范例  (4)

Default parameters used for the spherical Bonne projection, referenced to a unit sphere:

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Use a geoprojection to project a location onto a flat map:

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Use a geoprojection to produce a map of the world:

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Default parameters used for one of the UTM zones:

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