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https://issues.apache.org/jira/browse/SIS-554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux updated SIS-554:
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Issue Type: Task (was: Improvement)
> Replace GridEvaluator by an interface
> -------------------------------------
>
> Key: SIS-554
> URL: https://issues.apache.org/jira/browse/SIS-554
> Project: Spatial Information Systems
> Issue Type: Task
> Components: Coverage
> Affects Versions: 1.1, 1.2
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Major
> Fix For: 1.3
>
>
> {{BandedCoverage.evaluator()}} is a method returning an object which can be
> used for computing or interpolating values of a coverage at arbitrary
> geospatial positions. The evaluator takes care of reprojecting the given
> positions and converting to grid coordinates. The type of this evaluator is
> the {{BandedCoverage.Evaluator}} interface.
> {{GridCoverage.evaluator()}} overrides that method for returning a more
> specialized type, which provides additional methods specific to gridded data
> (for example {{setDefaultSlice(…)}}. However the type of the evaluator
> returned by this method is the {{GridEvaluator}} concrete type. It was a
> mistake, that method should have returned an interface. Not doing so make
> more difficult to create for example evaluators that are wrappers around
> other evaluators.
> We propose to add a new {{GridCoverage.Evaluator}} interface and to change
> the return type of {{GridCoverage.evaluator()}} to that interface. The latter
> action would be an incompatible change which will need to be reported in the
> release note. But hopefully this method is not yet too widely used, it should
> be an easy change for users.
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