A usually affine, or otherwise a projective transform, which convert coordinates using only linear equations.
An object capable to create
Provides a default implementation for most methods required by the
Base class for math transforms that are known to be one-dimensional in all cases.
Base class for math transforms that are known to be two-dimensional in all cases.
The parameters that describe a sequence of normalize → non-linear kernel → denormalize transforms as a whole.
Transforms between two CRS (usually geographic) based on different datum.
Low level factory for creating math transforms.
Source and target coordinate systems for which a new parameterized transform is going to be used.
Transform from two- or three- dimensional ellipsoidal coordinates to (geo)centric coordinates.
Transforms between two geographic CRS by performing geocentric translations interpolated from a grid file.
Transforms between two geographic CRS by performing geocentric translations interpolated from a grid file, but using Molodensky approximation.
Transforms between two CRS by performing translations interpolated from a grid file.
Utility methods creating or working on
Two- or three-dimensional datum shift using the (potentially abridged) Molodensky transformation.
Transform which passes through a subset of ordinates to another transform.
The function converting raster sample values to geophysics values.
Extracts a sub-transform from a given
Whether a matrix is used for normalization or denormalization before or after a non-linear operation.
Whether the output coordinate system is Cartesian or Spherical.
Strategy for iterating over the point arrays given to
MathTransformprovides a single API for coordinate conversions or transformations, including map projections. Each
MathTransformare truly n-dimensional, but specialized implementations for 1D and 2D cases are provided for performance reasons or for inter-operability with Java2D. In the 2D case, Apache SIS provides instances of the standard
AffineTransformclass when possible.
This package does not include map projections, which are a special kind of transforms defined in their own projection package.
MathTransforminstances can be created either directly or indirectly. The recommended way is the indirect one: first find the coordinate operation (generally from a pair of source and target CRS), then invoke
CoordinateOperation.getMathTransform(). However sophisticated users can also create math transforms explicitely from a group of parameter values using the math transform factory.
MathTransformusually performs conversions or transformations from points given in a source coordinate reference system to coordinate values for the same points in the target coordinate reference system. However the conversions are not necessarily between CRS; a
MathTransformcan also be used for converting the sample values in a raster for example. Such kind of transforms are named transfer functions.
Defined in the
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