[Geotools-devel] [jira] (GEOT-4050) Similarity Transformation, EPSG:9621

[Oscar F. (JIRA) <ji...@co...>]

Oscar Fonts created GEOT-4050:
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             Summary: Similarity Transformation, EPSG:9621
                 Key: GEOT-4050
                 URL: https://jira.codehaus.org/browse/GEOT-4050
             Project: GeoTools
          Issue Type: Improvement
          Components: referencing
            Reporter: Oscar Fonts
            Assignee: Andrea Aime
            Priority: Minor
             Fix For: 8.0-RC1
         Attachments: SimilarityTransform.patch

The similarity transform can be seen as a particular case of 2D parametric affine transform. It is used by the catalan government in the official coordinate transformation EPSG:5166, which enables transition from ED50 to ETRS89.

Implemented as a MathTransformProvider that sets up matrix coefficients and instantiates an AffineTransform2D. Includes test case.


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