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https://issues.apache.org/jira/browse/LUCENE-6699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703744#comment-14703744
]
Michael McCandless commented on LUCENE-6699:
--------------------------------------------
Another failure:
{noformat}
[junit4] Suite: org.apache.lucene.bkdtree3d.TestGeo3DPointField
[junit4] 2> серп. 20, 2015 1:05:40 AM
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
uncaughtException
[junit4] 2> WARNING: Uncaught exception in thread:
Thread[T2,5,TGRP-TestGeo3DPointField]
[junit4] 2> java.lang.AssertionError: T2: iter=164 id=15842 docID=16827
lat=0.006224927111830945 lon=0.005597367237251763 expected true but got: false
deleted?=false
[junit4] 2> point1=[lat=0.006224927111830945, lon=0.005597367237251763],
iswithin=true
[junit4] 2> point2=[X=1.0010836083810235, Y=0.005603490759433942,
Z=0.006231850560862502], iswithin=true
[junit4] 2> query=PointInGeo3DShapeQuery: field=point:PlanetModel:
PlanetModel.WGS84 Shape: GeoCircle: {planetmodel=PlanetModel.WGS84,
center=[lat=0.006229478708446979, lon=0.005570196723795424],
radius=3.840276763694387E-5(0.0022003165072184694)}
[junit4] 2> at
__randomizedtesting.SeedInfo.seed([7F0E3F7C95B65717]:0)
[junit4] 2> at org.junit.Assert.fail(Assert.java:93)
[junit4] 2> at
org.apache.lucene.bkdtree3d.TestGeo3DPointField$4._run(TestGeo3DPointField.java:624)
[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=7F0E3F7C95B65717
-Dtests.multiplier=4 -Dtests.slow=true
-Dtests.linedocsfile=/lucenedata/hudson.enwiki.random.lines.txt.fixed
-Dtests.locale=uk -Dtests.timezone=Asia/Dubai -Dtests.asserts=true
-Dtests.file.encoding=UTF-8
[junit4] ERROR 6.18s | TestGeo3DPointField.testRandomMedium <<<
{noformat}
This may be the "tiny circle" case?
> 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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