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Posted to commits@sis.apache.org by "Martin Desruisseaux (JIRA)" <ji...@apache.org> on 2019/05/14 16:00:00 UTC

[jira] [Updated] (SIS-453) GeodeticCalculator.toGeodesicPath should build ISO curves

     [ https://issues.apache.org/jira/browse/SIS-453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Desruisseaux updated SIS-453:
------------------------------------
    Issue Type: Improvement  (was: Bug)

> GeodeticCalculator.toGeodesicPath should build ISO curves
> ---------------------------------------------------------
>
>                 Key: SIS-453
>                 URL: https://issues.apache.org/jira/browse/SIS-453
>             Project: Spatial Information Systems
>          Issue Type: Improvement
>          Components: Referencing
>    Affects Versions: 1.0
>            Reporter: Martin Desruisseaux
>            Priority: Major
>
> {{GeodeticCalculator.toGeodesicPath2D()}} currently returns a {{java.awt.Shape}} with two limitations: A first limitations is that we currently return a single linear, quadratic or cubic Bézier curve, i.e. an {{java.awt.geom.CubicCurve2D}} at most. Meeting the accuracy requirement may require to build chain of Bézier curves instead than a single one.
> A second limitation is that we return an object ({{java.awt.Shape}}) which is tied to the {{java.desktop}} module, which may not be available or may be replaced by another module. We can make abstraction from the geometry library by using GeoAPI interfaces derived from ISO 19107, but those interfaces are not yet ready.



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