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https://issues.apache.org/jira/browse/SIS-574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux closed SIS-574.
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> Grid coverage dimensionality reduction
> --------------------------------------
>
> Key: SIS-574
> URL: https://issues.apache.org/jira/browse/SIS-574
> Project: Spatial Information Systems
> Issue Type: New Feature
> Components: Coverage
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Major
> Fix For: 1.4
>
>
> Provides methods for reducing the number of dimensions of a grid coverage.
> For example it should be possible to see a slice of a three-dimensional
> {{GridCoverage}} as two-dimensional {{GridCoverage}}.
> We introduce a new public class, {{DimensionalityReduction}}, which contains
> information about which grid axes to keep ({{select(…)}} method) or remove
> ({{remove(…)}} method). Other methods allow to specify which coordinates to
> use in the removed axes for making a slice. That {{DimensionalityReduction}}
> class contains {{apply(…)}} methods for applying dimensionality reduction on
> a {{GridExtent}}, {{GridGeometry}}, {{GridCoverage}}, {{DirectPosition}}
> among others, and also a few {{reverse(…)}} methods for "inflating" a
> {{GridExtent}} or {{GridGeometry}} to the original number of dimensions. The
> latter are necessary for delegating read operations of a slice to the
> original {{DataStore}}.
> This is part of the [pull request #32|https://github.com/apache/sis/pull/32],
> refactored with the introduction of above-cited {{DimensionalityReduction}}
> class.
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