org.opengis.referencing.operation

Interface MathTransform1D

All Superinterfaces:

MathTransform

@Extension
public interface MathTransform1D
extends MathTransform

Transforms one-dimensional coordinate points. CoordinateOperation.getMathTransform() may returns instance of this interface when source and destination coordinate systems are both one dimensional. MathTransform1D extends MathTransform by adding a simple method transforming a value without the overhead of creating data array.

Since:

GeoAPI 1.0

Method Summary

Modifier and Type	Method and Description
double	derivative(double value) Gets the derivative of this function at a value.
double	transform(double value) Transforms the specified value.

Methods inherited from interface org.opengis.referencing.operation.MathTransform

derivative, getSourceDimensions, getTargetDimensions, inverse, isIdentity, toWKT, transform, transform, transform

Method Detail

transform

double transform(double value)
          throws TransformException

Transforms the specified value.

Parameters:

value - The value to transform.

Returns:

the transformed value.

Throws:

TransformException - if the value can't be transformed.

derivative

double derivative(double value)
           throws TransformException

Gets the derivative of this function at a value. The derivative is the 1×1 matrix of the non-translating portion of the approximate affine map at the value.

Parameters:

value - The value where to evaluate the derivative.

Returns:

The derivative at the specified point.

Throws:

TransformException - if the derivative can't be evaluated at the specified point.