Package org.locationtech.proj4j.proj
Class PerspectiveProjection
java.lang.Object
org.locationtech.proj4j.proj.Projection
org.locationtech.proj4j.proj.PerspectiveProjection
- All Implemented Interfaces:
Serializable
,Cloneable
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate double
private double
private static final double
private static final int
private double
private double
private int
private static final int
private static final int
private double
private double
private double
private double
private double
private double
private static final int
private double
private double
private int
Fields inherited from class org.locationtech.proj4j.proj.Projection
a, alpha, DTR, e, ellipsoid, es, falseEasting, falseNorthing, fromMetres, geocentric, lonc, maxLatitude, maxLongitude, minLatitude, minLongitude, name, one_es, projectionLatitude, projectionLatitude1, projectionLatitude2, projectionLongitude, rone_es, RTD, scaleFactor, spherical, totalScale, trueScaleLatitude, unit
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
Tests whether this projection has an inverse.void
Initialize the projection.project
(double lplam, double lpphi, ProjCoordinate xy) Computes the projection of a given point (i.e.toString()
Methods inherited from class org.locationtech.proj4j.proj.Projection
clone, equals, getAlpha, getAxisOrder, getEllipsoid, getEPSGCode, getEquatorRadius, getFalseEasting, getFalseNorthing, getFromMetres, getHeightOfOrbit, getLonC, getMaxLatitude, getMaxLatitudeDegrees, getMaxLongitude, getMaxLongitudeDegrees, getMinLatitude, getMinLatitudeDegrees, getMinLongitude, getMinLongitudeDegrees, getName, getPrimeMeridian, getPROJ4Description, getProjectionLatitude, getProjectionLatitude1, getProjectionLatitude1Degrees, getProjectionLatitude2, getProjectionLatitude2Degrees, getProjectionLatitudeDegrees, getProjectionLongitude, getProjectionLongitudeDegrees, getScaleFactor, getSouthernHemisphere, getTrueScaleLatitude, getTrueScaleLatitudeDegrees, getUnits, hashCode, inside, inverseProject, inverseProjectRadians, isConformal, isEqualArea, isGeographic, isRectilinear, normalizeLongitude, normalizeLongitudeRadians, parallelsAreParallel, project, projectInverse, projectRadians, setAlpha, setAlphaDegrees, setAxisOrder, setEllipsoid, setFalseEasting, setFalseNorthing, setFromMetres, setGamma, setGammaDegrees, setHeightOfOrbit, setLonC, setLonCDegrees, setMaxLatitude, setMaxLongitude, setMaxLongitudeDegrees, setMinLatitude, setMinLongitude, setMinLongitudeDegrees, setName, setNoUoff, setPrimeMeridian, setProjectionLatitude, setProjectionLatitude1, setProjectionLatitude1Degrees, setProjectionLatitude2, setProjectionLatitude2Degrees, setProjectionLatitudeDegrees, setProjectionLongitude, setProjectionLongitudeDegrees, setRadius, setScaleFactor, setSouthernHemisphere, setTrueScaleLatitude, setTrueScaleLatitudeDegrees, setUnits
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Field Details
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height
private double height -
psinph0
private double psinph0 -
pcosph0
private double pcosph0 -
p
private double p -
rp
private double rp -
pn1
private double pn1 -
pfact
private double pfact -
h
private double h -
cg
private double cg -
sg
private double sg -
sw
private double sw -
cw
private double cw -
mode
private int mode -
tilt
private int tilt -
EPS10
private static final double EPS10- See Also:
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N_POLE
private static final int N_POLE- See Also:
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S_POLE
private static final int S_POLE- See Also:
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EQUIT
private static final int EQUIT- See Also:
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OBLIQ
private static final int OBLIQ- See Also:
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Constructor Details
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PerspectiveProjection
public PerspectiveProjection()
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Method Details
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project
Description copied from class:Projection
Computes the projection of a given point (i.e. from geographics to projection space). This should be overridden for all projections.- Overrides:
project
in classProjection
- Parameters:
lplam
- the geographic x ordinate (in radians)lpphi
- the geographic y ordinatee (in radians)xy
- the projected coordinate (in coordinate system units)- Returns:
- the target coordinate
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hasInverse
public boolean hasInverse()Description copied from class:Projection
Tests whether this projection has an inverse. If this method returns true then theProjection.inverseProject(ProjCoordinate, ProjCoordinate)
andProjection.inverseProjectRadians(ProjCoordinate, ProjCoordinate)
methods will return meaningful results.- Overrides:
hasInverse
in classProjection
- Returns:
- true if this projection has an inverse
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initialize
public void initialize()Description copied from class:Projection
Initialize the projection. This should be called after setting parameters and before using the projection. This is for performance reasons as initialization may be expensive.- Overrides:
initialize
in classProjection
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toString
- Overrides:
toString
in classProjection
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