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fix: ngff multiscales and relative group path handling on windows
* test: build ngff multiscales v0.4 metadata * fix: use MetadataUtils.relative paths where applicable * fix: MetadataUtils relativePath for windows * style: formatting * doc: MetadataUtils relativePath
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65
...t/java/org/janelia/saalfeldlab/n5/universe/metadata/ome/ngff/v04/BuildMultiscaleTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| package org.janelia.saalfeldlab.n5.universe.metadata.ome.ngff.v04; | ||
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| import static org.junit.Assert.assertEquals; | ||
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| import org.janelia.saalfeldlab.n5.N5URI; | ||
| import org.janelia.saalfeldlab.n5.universe.metadata.axes.Axis; | ||
| import org.janelia.saalfeldlab.n5.universe.metadata.axes.AxisUtils; | ||
| import org.junit.Test; | ||
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| public class BuildMultiscaleTest { | ||
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| @Test | ||
| public void buildNgffMultiscale() { | ||
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| testHelper("", new String[]{"s0", "s1", "s2", "s3"}); | ||
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| testHelper("a", new String[]{"s0", "s1", "s2", "s3"}); | ||
| testHelper("a/b", new String[]{"s0", "s1", "s2", "s3"}); | ||
| testHelper("a/b/c", new String[]{"s0", "s1", "s2", "s3"}); | ||
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| testHelper("a", new String[]{"0/s0", "0/s1", "0/s2", "0/s3"}); | ||
| } | ||
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| private static void testHelper(final String path, final String[] childPaths) { | ||
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| final String downsampleMethod = "sampling"; | ||
| final Axis[] axes = AxisUtils.buildAxes("x", "y", "z"); | ||
| final OmeNgffMultiScaleMetadataMutable ms = new OmeNgffMultiScaleMetadataMutable(path); | ||
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| for (int i = 0; i < childPaths.length; i++) { | ||
| final double s = Math.pow(2, i); | ||
| ms.addChild(buildScaleLevelMetadata(childPaths[i], new double[]{s, s, s}, axes)); | ||
| } | ||
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| final OmeNgffMultiScaleMetadata meta = new OmeNgffMultiScaleMetadata(ms.getAxes().length, | ||
| path, path, downsampleMethod, "0.4", | ||
| ms.getAxes(), | ||
| ms.getDatasets(), null, | ||
| ms.coordinateTransformations, ms.metadata, true); | ||
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| for (int i = 0; i < childPaths.length; i++) { | ||
| assertEquals( | ||
| String.format("multiscale path incorrect for root: %s, child: %s", path, childPaths[i]), | ||
| childPaths[i], meta.getDatasets()[i].path); | ||
| } | ||
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| // test building children from multiscales | ||
| // these metadata's path variables must be relative to the root | ||
| final NgffSingleScaleAxesMetadata[] children = OmeNgffMultiScaleMetadata.buildMetadata(3, path, null, meta); | ||
| for (int i = 0; i < childPaths.length; i++) { | ||
| // ensure the paths are equal up to normalization | ||
| assertEquals( | ||
| String.format("single scale path incorrect for root: %s, child: %s", path, childPaths[i]), | ||
| N5URI.normalizeGroupPath(path + "/" + childPaths[i]), | ||
| N5URI.normalizeGroupPath(children[i].getPath())); | ||
| } | ||
| } | ||
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| private static NgffSingleScaleAxesMetadata buildScaleLevelMetadata(final String path, final double[] res, | ||
| final Axis[] axes) { | ||
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| return new NgffSingleScaleAxesMetadata(path, res, null, axes, null); | ||
| } | ||
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| } |