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https://issues.apache.org/jira/browse/LUCENE-6699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703675#comment-14703675
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Michael McCandless commented on LUCENE-6699:
--------------------------------------------
Hmm, I'm seeing this test failure:
{noformat}
[junit4:pickseed] Seed property 'tests.seed' already defined: 27BE02D86F469AAF
[junit4] <JUnit4> says שלום! Master seed: 27BE02D86F469AAF
[junit4] Executing 1 suite with 1 JVM.
[junit4]
[junit4] Started J0 PID(14081@localhost).
[junit4] Suite: org.apache.lucene.bkdtree3d.TestGeo3DPointField
[junit4] 2> ?? 19, 2015 5:13:35 ??
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
uncaughtException
[junit4] 2> WARNING: Uncaught exception in thread:
Thread[T1,5,TGRP-TestGeo3DPointField]
[junit4] 2> java.lang.AssertionError: got 0
[junit4] 2> at
__randomizedtesting.SeedInfo.seed([27BE02D86F469AAF]:0)
[junit4] 2> at
org.apache.lucene.bkdtree3d.PointInGeo3DShapeQuery$1.scorer(PointInGeo3DShapeQuery.java:105)
[junit4] 2> at
org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:589)
[junit4] 2> at
org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
[junit4] 2> at
org.apache.lucene.search.AssertingWeight.bulkScorer(AssertingWeight.java:69)
[junit4] 2> at
org.apache.lucene.search.AssertingWeight.bulkScorer(AssertingWeight.java:69)
[junit4] 2> at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:618)
[junit4] 2> at
org.apache.lucene.search.AssertingIndexSearcher.search(AssertingIndexSearcher.java:92)
[junit4] 2> at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:425)
[junit4] 2> at
org.apache.lucene.bkdtree3d.TestGeo3DPointField$4._run(TestGeo3DPointField.java:586)
[junit4] 2> at
org.apache.lucene.bkdtree3d.TestGeo3DPointField$4.run(TestGeo3DPointField.java:520)
[junit4] 2>
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestGeo3DPointField
-Dtests.method=testRandomMedium -Dtests.seed=27BE02D86F469AAF -Dtests.locale=zh
-Dtests.timezone=Atlantic/Stanley -Dtests.asserts=true
-Dtests.file.encoding=ISO-8859-1
{noformat}
It's the assert that the XZYBounds relationship to the shape is either WITHIN
or OVERLAPS, but in this case it's returning CONTAINS (shape CONTAINS the bbox).
Maybe the assert is too demanding?
> Integrate lat/lon BKD and spatial3d
> -----------------------------------
>
> Key: LUCENE-6699
> URL: https://issues.apache.org/jira/browse/LUCENE-6699
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Attachments: Geo3DPacking.java, LUCENE-6699.patch, LUCENE-6699.patch,
> LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch,
> LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch,
> LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch,
> LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch,
> LUCENE-6699.patch, LUCENE-6699.patch, LUCENE-6699.patch
>
>
> I'm opening this for discussion, because I'm not yet sure how to do
> this integration, because of my ignorance about spatial in general and
> spatial3d in particular :)
> Our BKD tree impl is very fast at doing lat/lon shape intersection
> (bbox, polygon, soon distance: LUCENE-6698) against previously indexed
> points.
> I think to integrate with spatial3d, we would first need to record
> lat/lon/z into doc values. Somewhere I saw discussion about how we
> could stuff all 3 into a single long value with acceptable precision
> loss? Or, we could use BinaryDocValues? We need all 3 dims available
> to do the fast per-hit query time filtering.
> But, second: what do we index into the BKD tree? Can we "just" index
> earth surface lat/lon, and then at query time is spatial3d able to
> give me an enclosing "surface lat/lon" bbox for a 3d shape? Or
> ... must we index all 3 dimensions into the BKD tree (seems like this
> could be somewhat wasteful)?
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