org.osgeo.proj4j.proj

Class MercatorProjection

java.lang.Object

org.osgeo.proj4j.proj.Projection

org.osgeo.proj4j.proj.CylindricalProjection

org.osgeo.proj4j.proj.MercatorProjection

All Implemented Interfaces:

Cloneable

public class MercatorProjection
extends CylindricalProjection

Field Summary

Fields inherited from class org.osgeo.proj4j.proj.Projection

a, alpha, DTR, e, ellipsoid, EPS10, es, falseEasting, falseNorthing, fromMetres, geocentric, isSouth, lonc, maxLatitude, maxLongitude, minLatitude, minLongitude, name, one_es, projectionLatitude, projectionLatitude1, projectionLatitude2, projectionLongitude, rone_es, RTD, scaleFactor, spherical, totalScale, trueScaleLatitude, unit

Constructor Summary

Constructors

Constructor and Description
MercatorProjection()

Method Summary

Methods

Modifier and Type	Method and Description
int	getEPSGCode() Returns the ESPG code for this projection, or 0 if unknown.
boolean	hasInverse() Tests whether this projection has an inverse.
boolean	isRectilinear() Tests whether under this projection lines of latitude and longitude form a rectangular grid
ProjCoordinate	project(double lam, double phi, ProjCoordinate out) Computes the projection of a given point (i.e.
ProjCoordinate	projectInverse(double x, double y, ProjCoordinate out) Computes the inverse projection of a given point (i.e.
String	toString()

Methods inherited from class org.osgeo.proj4j.proj.Projection

clone, getAlpha, getEllipsoid, getEquatorRadius, getFalseEasting, getFalseNorthing, getFromMetres, getLonC, getMaxLatitude, getMaxLatitudeDegrees, getMaxLongitude, getMaxLongitudeDegrees, getMinLatitude, getMinLatitudeDegrees, getMinLongitude, getMinLongitudeDegrees, getName, getPROJ4Description, getProjectionLatitude, getProjectionLatitude1, getProjectionLatitude1Degrees, getProjectionLatitude2, getProjectionLatitude2Degrees, getProjectionLatitudeDegrees, getProjectionLongitude, getProjectionLongitudeDegrees, getScaleFactor, getSouthernHemisphere, getTrueScaleLatitude, getTrueScaleLatitudeDegrees, initialize, inside, inverseProject, inverseProjectRadians, isConformal, isEqualArea, normalizeLongitude, normalizeLongitudeRadians, parallelsAreParallel, project, projectRadians, setAlphaDegrees, setEllipsoid, setFalseEasting, setFalseNorthing, setFromMetres, setLonCDegrees, setMaxLatitude, setMaxLongitude, setMaxLongitudeDegrees, setMinLatitude, setMinLongitude, setMinLongitudeDegrees, setName, setProjectionLatitude, setProjectionLatitude1, setProjectionLatitude1Degrees, setProjectionLatitude2, setProjectionLatitude2Degrees, setProjectionLatitudeDegrees, setProjectionLongitude, setProjectionLongitudeDegrees, setScaleFactor, setSouthernHemisphere, setTrueScaleLatitude, setTrueScaleLatitudeDegrees, setUnits

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MercatorProjection

public MercatorProjection()

Method Detail

project

public ProjCoordinate project(double lam,
                     double phi,
                     ProjCoordinate out)

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 class Projection

Parameters:

lam - the geographic x ordinate (in radians)

phi - the geographic y ordinatee (in radians)

out - the projected coordinate (in coordinate system units)

Returns:

the target coordinate

projectInverse

public ProjCoordinate projectInverse(double x,
                            double y,
                            ProjCoordinate out)

Description copied from class: Projection

Computes the inverse projection of a given point (i.e. from projection space to geographics). This should be overridden for all projections.

Overrides:

projectInverse in class Projection

Parameters:

x - the projected x ordinate (in coordinate system units)

y - the projected y ordinate (in coordinate system units)

out - the inverse-projected geographic coordinate (in radians)

Returns:

the target coordinate

hasInverse

public boolean hasInverse()

Description copied from class: Projection

Tests whether this projection has an inverse. If this method returns true then the Projection.inverseProject(ProjCoordinate, ProjCoordinate) and Projection.inverseProjectRadians(ProjCoordinate, ProjCoordinate) methods will return meaningful results.

Overrides:

hasInverse in class Projection

Returns:

true if this projection has an inverse

isRectilinear

public boolean isRectilinear()

Description copied from class: Projection

Tests whether under this projection lines of latitude and longitude form a rectangular grid

Overrides:

isRectilinear in class CylindricalProjection

getEPSGCode

public int getEPSGCode()

Returns the ESPG code for this projection, or 0 if unknown.

Overrides:

getEPSGCode in class Projection

toString

public String toString()

Overrides:

toString in class CylindricalProjection