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https://issues.apache.org/jira/browse/SIS-610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Desruisseaux closed SIS-610.
-----------------------------------
Resolution: Fixed
> GridDerivation.subgrid(…) should accept AOI with less dimensions than the grid
> ------------------------------------------------------------------------------
>
> Key: SIS-610
> URL: https://issues.apache.org/jira/browse/SIS-610
> Project: Spatial Information Systems
> Issue Type: Improvement
> Components: Coverage
> Affects Versions: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5
> Reporter: Martin Desruisseaux
> Assignee: Martin Desruisseaux
> Priority: Major
> Fix For: 1.6
>
>
> When an Area Of Interest (AOI) is specified by a call to
> {{GridGeometry.derive().subgrid(…)}}, the current implementation requires
> that the AOI has at least as many dimensions as the original grid, because
> the result of this operation is a grid having the number of dimensions of the
> original grid. The problem is that we sometime have a two-dimensional only
> AOI and nevertheless want to apply it to a three- or four-dimensional grid.
> Apache SIS should be able to modify the {{GridGeometry}} only in the
> dimensions specified by the AOI, and leave the other dimensions unchanged.
> As a special case, SIS 1.5 accepts an AOI with less dimensions if all extra
> dimensions have a number of cells equals to 1 (i.e., the grid is a slice).
> This issue is about removing that restriction.
> To reproduce (expected behavior is success, current behavior is
> {{OperationNotFoundException}} between “WGS 84” and “WGS 84 + Ellipsoidal
> height +…”):
> {code:java}
> private static void testMultidimensionalSlicing() throws Exception {
> var sourceEnv = new GeneralEnvelope(CRS.compound(
> CommonCRS.defaultGeographic(),
> CommonCRS.Vertical.ELLIPSOIDAL.crs(),
> CommonCRS.Temporal.JAVA.crs()
> ));
> sourceEnv.setRange(0, 10, 20);
> sourceEnv.setRange(1, 30, 40);
> sourceEnv.setRange(2, 0, 2);
> sourceEnv.setRange(3, 0, 2);
> var sourceGrid = new GridGeometry(
> new GridExtent(null, new long[4], new long[] { 2, 2, 2, 2 },
> false),
> sourceEnv,
> GridOrientation.DISPLAY
> );
> var targetGrid = new GridGeometry(
> new GridExtent(2, 2),
> new Envelope2D(CommonCRS.defaultGeographic(), 10, 30, 10, 10),
> GridOrientation.DISPLAY
> );
> var slice = sourceGrid.derive()
> .subgrid(targetGrid)
> .build();
> }
> {code}
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