[Geotools-devel] [jira] Created: (GEOT-3297) Resampler2D puts BorderExtender hint into wrong Hints object

[Jay S. (JIRA) <ji...@co...>]

Resampler2D puts BorderExtender hint into wrong Hints object
------------------------------------------------------------

                 Key: GEOT-3297
                 URL: http://jira.codehaus.org/browse/GEOT-3297
             Project: GeoTools
          Issue Type: Bug
    Affects Versions: 2.5.8
            Reporter: Jay Sheridan
            Priority: Minor


The reproject method in org.geotools.coverage.processing.operation.Resampler2D uses the wrong Hints object on line 478. It should be using "targetHints" instead of "hints". Because it is being put into "hints", the border extender hints isn't being passed into the createNS method on line 635 and the returned RenderedOp object does not use that hint.

{code:java}
        final double[] background = CoverageUtilities.getBackgroundValues(sourceCoverage);
        if (background != null && background.length != 0) {
            if (!automaticGR) {
                final BorderExtender borderExtender;
                if (XArray.allEquals(background, 0)) {
                    borderExtender = BorderExtender.createInstance(BorderExtender.BORDER_ZERO);
                } else {
                    borderExtender = new BorderExtenderConstant(background);
                }
                hints.put(JAI.KEY_BORDER_EXTENDER, borderExtender);
            }
        }
{code}

I am using Operations.DEFAULT.resample(), so my workaround for this is to call resample twice.

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