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MatrixMap
-
Map coordinates by multiplying by a matrix
- Description:
A MatrixMap is form of Mapping which performs a general linear
transformation. Each set of input coordinates, regarded as a
column-vector, are pre-multiplied by a matrix (whose elements
are specified when the MatrixMap is created) to give a new
column-vector containing the output coordinates. If appropriate,
the inverse transformation may also be performed.
- Constructor Function:
- AST_MATRIXMAP
-
Inheritance
The MatrixMap class inherits from the Mapping class.
-
Attributes
The MatrixMap class does not define any new attributes beyond
those which are applicable to all Mappings.
-
Functions
The MatrixMap class does not define any new routines beyond those
which are applicable to all Mappings.
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Up: AST Class Descriptions
Previous: MathMap - Transform coordinates using mathematical expressions
AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
R.F. Warren-Smith & D.S. Berry
30th April 2003
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2003 Central Laboratory of the Research Councils