Martin Desruisseaux created SIS-370:
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Summary: Improve CoordinateOperation WKT for axis changes and
Molodensky parameters
Key: SIS-370
URL: https://issues.apache.org/jira/browse/SIS-370
Project: Spatial Information Systems
Issue Type: Improvement
Components: Referencing
Affects Versions: 0.7, 0.8
Reporter: Martin Desruisseaux
Assignee: Martin Desruisseaux
Priority: Minor
Fix For: 1.0
The Well Known Text (WKT) formatting of {{CoordinateOperation}} objects have
the following shortcomings:
In the formatting of Molodensky Parameters, _Semi-major axis length difference_
and _Flattening difference_ parameters are wrongly set to NaN. Note that this
issue happen only for {{CoordinateOperation}} WKT, not for {{MathTransform}}
WKT.
Operation steps inserted for changing axis order are shown as affine transform,
which is difficult to read for more users. The formatter should detect
automatically when a matrix is square, of size 3×3 or 4×4 and having 1 value on
anti-diagonal (except last row) and show instead one of the following
operations:
* EPSG::15498 — axis order change (2D)
* EPSG::15499 — axis order change (geographic3D horizontal)
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