public class EckertIV extends MapProjection
Modifier and Type | Class and Description |
---|---|
static class |
EckertIV.Provider
The math transform
provider for the Eckert IV projection (not part of the EPSG database).
|
MapProjection.AbstractProvider
centralMeridian, en0, en1, en2, en3, en4, excentricity, excentricitySquared, falseEasting, falseNorthing, globalScale, invertible, isSpherical, latitudeOfOrigin, LOGGER, scaleFactor, semiMajor, semiMinor, SKIP_SANITY_CHECKS
SINGLE_LINE
Modifier | Constructor and Description |
---|---|
protected |
EckertIV(ParameterValueGroup parameters)
Constructs a new map projection from the supplied parameters.
|
Modifier and Type | Method and Description |
---|---|
ParameterDescriptorGroup |
getParameterDescriptors()
Returns the parameter descriptors for this map projection.
|
protected double |
getToleranceForAssertions(double longitude,
double latitude)
Maximal error (in metres) tolerated for assertions, if enabled.
|
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 lam,
double phi,
Point2D ptDst)
Transforms the specified (λ,φ) coordinates (units in
radians) and stores the result in
ptDst (linear distance on a unit sphere). |
checkReciprocal, equals, getParameterValues, getSourceDimensions, getTargetDimensions, hashCode, inv_mlfn, inverse, mlfn, orthodromicDistance, resetWarnings, transform, transform, transform
createTransformedShape, derivative, derivative, ensureNonNull, formatWKT, getName, isIdentity, needCopy, normalizeAngle, rollLongitude, transform, transform, transform
cleanupThreadLocals, toString, toWKT, toWKT, toWKT, toWKT
createTransformedShape, derivative
derivative, isIdentity, toWKT, transform, transform, transform
protected EckertIV(ParameterValueGroup parameters) throws ParameterNotFoundException
parameters
- The parameter values in standard units.ParameterNotFoundException
- if a mandatory parameter is missing.public ParameterDescriptorGroup getParameterDescriptors()
MapProjection.getParameterValues()
, as well as arguments checking.getParameterDescriptors
in class MapProjection
null
.OperationMethod.getParameters()
protected Point2D transformNormalized(double lam, double phi, Point2D ptDst) throws ProjectionException
ptDst
(linear distance on a unit sphere).transformNormalized
in class MapProjection
lam
- The longitude of the coordinate, in radians.phi
- 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 MapProjection
x
- 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.protected double getToleranceForAssertions(double longitude, double latitude)
MapProjection
ProjectionException
will be thrown. Subclasses should override this method if they
need to relax the tolerance level.getToleranceForAssertions
in class MapProjection
longitude
- The longitude in decimal degrees.latitude
- The latitude in decimal degrees.Copyright © 1996–2019 Geotools. All rights reserved.