public class EquidistantConic extends MapProjection
NOTE: formulae used below are from a port, to Java, of the proj4
package of the
USGS survey. USGS work is acknowledged here.
References:
PJ_eqdc.c
, pj_mlfn.c
, pj_msfn.c
, pj_fwd.c
and pj_inv.c
.
Modifier and Type | Class and Description |
---|---|
static class |
EquidistantConic.Provider
The math transform
provider for a EquidistantConic projection.
|
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 |
EquidistantConic(ParameterValueGroup parameters)
Creates a transform from the specified group of parameter values.
|
Modifier and Type | Method and Description |
---|---|
ParameterDescriptorGroup |
getParameterDescriptors()
Returns the parameter descriptors for this map projection.
|
ParameterValueGroup |
getParameterValues()
Returns the parameter values for this map 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, equals, getSourceDimensions, getTargetDimensions, getToleranceForAssertions, 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 EquidistantConic(ParameterValueGroup parameters) throws ParameterNotFoundException
parameters
- The group of parameter values.ParameterNotFoundException
- if a required parameter was not found.public ParameterDescriptorGroup getParameterDescriptors()
MapProjection.getParameterValues()
, as well as arguments checking.getParameterDescriptors
in class MapProjection
null
.OperationMethod.getParameters()
public ParameterValueGroup getParameterValues()
getParameterValues
in class MapProjection
Operation.getParameterValues()
protected Point2D transformNormalized(double x, double y, Point2D ptDst) throws ProjectionException
ptDst
(linear distance on a unit sphere).transformNormalized
in class MapProjection
x
- 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 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.Copyright © 1996–2019 Geotools. All rights reserved.