public abstract class Mercator extends MapProjection
This implementation handles both the 1 and 2 stardard parallel cases. For Mercator_1SP
(EPSG code 9804), the line of contact is the equator. For Mercator_2SP (EPSG code 9805)
lines of contact are symmetrical about the equator.
References:
MapProjection.AbstractProvider| Modifier and Type | Field and Description |
|---|---|
protected double |
standardParallel
Standard Parallel used for the
Mercator2SP case. |
centralMeridian, en0, en1, en2, en3, en4, excentricity, excentricitySquared, falseEasting, falseNorthing, globalScale, invertible, isSpherical, latitudeOfOrigin, LOGGER, scaleFactor, semiMajor, semiMinor, SKIP_SANITY_CHECKSSINGLE_LINE| Modifier | Constructor and Description |
|---|---|
protected |
Mercator(ParameterValueGroup parameters)
Constructs a new map projection from the supplied parameters.
|
| Modifier and Type | Method and Description |
|---|---|
boolean |
equals(Object object)
Compares the specified object with this map projection for equality.
|
ParameterValueGroup |
getParameterValues()
Returns the parameter values for this map projection.
|
int |
hashCode()
Returns a hash value for this projection.
|
protected Point2D |
inverseTransformNormalized(double x,
double y,
Point2D ptDst)
Transforms the specified (x,y) coordinates and stores the result in
ptDst. |
protected Point2D |
transformNormalized(double x,
double y,
Point2D ptDst)
Transforms the specified (λ,φ) coordinates (units in
radians) and stores the result in
ptDst (linear distance on a unit sphere). |
checkReciprocal, getParameterDescriptors, getSourceDimensions, getTargetDimensions, getToleranceForAssertions, inv_mlfn, inverse, mlfn, orthodromicDistance, resetWarnings, transform, transform, transformcreateTransformedShape, derivative, derivative, ensureNonNull, formatWKT, getName, isIdentity, needCopy, normalizeAngle, rollLongitude, transform, transform, transformcleanupThreadLocals, toString, toWKT, toWKT, toWKT, toWKTcreateTransformedShape, derivativederivative, isIdentity, toWKT, transform, transform, transformprotected Mercator(ParameterValueGroup parameters) throws ParameterNotFoundException
parameters - The parameter values in standard units.ParameterNotFoundException - if a mandatory parameter is missing.public ParameterValueGroup getParameterValues()
getParameterValues in class MapProjectionOperation.getParameterValues()protected Point2D transformNormalized(double x, double y, Point2D ptDst) throws ProjectionException
ptDst (linear distance on a unit sphere).transformNormalized in class MapProjectionx - The longitude of the coordinate, in radians.y - The latitude of the coordinate, in radians.ptDst - the specified coordinate point that stores the result of transforming ptSrc, or null. Ordinates will be in a dimensionless unit, as a linear distance
on a unit sphere or ellipse.lambda, phi) and storing the
result in ptDst.ProjectionException - if the point can't be transformed.protected Point2D inverseTransformNormalized(double x, double y, Point2D ptDst) throws ProjectionException
ptDst.inverseTransformNormalized in class MapProjectionx - The easting of the coordinate, linear distance on a unit sphere or ellipse.y - The northing of the coordinate, linear distance on a unit sphere or ellipse.ptDst - the specified coordinate point that stores the result of transforming ptSrc, or null. Ordinates will be in radians.x, y and storing the result
in ptDst.ProjectionException - if the point can't be transformed.public int hashCode()
hashCode in class MapProjectionpublic boolean equals(Object object)
equals in class MapProjectionobject - The object to compare with this transform.true if the given object is a transform of the same class and if, given
identical source position, the transformed position would be the equals.Copyright © 1996–2021 Geotools. All rights reserved.