Only points in the index.. Am I correct this won't require a reindex? On Monday, March 10, 2014, Smiley, David W. <dsmi...@mitre.org> wrote:
> Hi Steven, > > Set distErrPct to 0 in order to get non-point shapes to always be as > accurate as maxDistErr. Point shapes are always that accurate. As long as > you only index points, not other shapes (you don't index polygons, etc.) > then distErrPct of 0 should be fine. In fact, perhaps a future Solr > version should simply use 0 as the default; the last time I did benchmarks > it was pretty marginal impact of higher distErrPct. > > It's a fairly different story if you are indexing non-point shapes. > > ~ David > > From: Steven Bower <smb-apa...@alcyon.net <javascript:;><mailto: > smb-apa...@alcyon.net <javascript:;>>> > Reply-To: "solr-user@lucene.apache.org <javascript:;><mailto: > solr-user@lucene.apache.org <javascript:;>>" > <solr-user@lucene.apache.org<javascript:;> > <mailto:solr-user@lucene.apache.org <javascript:;>>> > Date: Monday, March 10, 2014 at 4:23 PM > To: "solr-user@lucene.apache.org <javascript:;><mailto: > solr-user@lucene.apache.org <javascript:;>>" > <solr-user@lucene.apache.org<javascript:;> > <mailto:solr-user@lucene.apache.org <javascript:;>>> > Subject: Re: Issue with spatial search > > Minor edit to the KML to adjust color of polygon > > > On Mon, Mar 10, 2014 at 4:21 PM, Steven Bower > <smb-apa...@alcyon.net<javascript:;> > <mailto:smb-apa...@alcyon.net <javascript:;>>> wrote: > I am seeing a "error" when doing a spatial search where a particular point > is showing up within a polygon, but by all methods I've tried that point is > not within the polygon.. > > First the point is: 41.2299,29.1345 (lat/lon) > > The polygon is: > > 31.2719,32.283 > 31.2179,32.3681 > 31.1333,32.3407 > 30.9356,32.6318 > 31.0707,34.5196 > 35.2053,36.9415 > 37.2959,36.6339 > 40.8334,30.4273 > 41.1622,29.1421 > 41.6484,27.4832 > 47.0255,13.6342 > 43.9457,3.17525 > 37.0029,-5.7017 > 35.7741,-5.57719 > 34.801,-4.66201 > 33.345,10.0157 > 29.6745,18.9366 > 30.6592,29.1683 > 31.2719,32.283 > > The geo field we are using has this config: > > <fieldType name="location_rpt" > class="solr.SpatialRecursivePrefixTreeFieldType" > distErrPct="0.025" > maxDistErr="0.000009" > > > spatialContextFactory="com.spatial4j.core.context.jts.JtsSpatialContextFactory" > units="degrees"/> > > The config is basically the same as the one from the docs... > > They query I am issuing is this: > > location:"Intersects(POLYGON((32.283 31.2719, 32.3681 31.2179, 32.3407 > 31.1333, 32.6318 30.9356, 34.5196 31.0707, 36.9415 35.2053, 36.6339 > 37.2959, 30.4273 40.8334, 29.1421 41.1622, 27.4832 41.6484, 13.6342 > 47.0255, 3.17525 43.9457, -5.7017 37.0029, -5.57719 35.7741, -4.66201 > 34.801, 10.0157 33.345, 18.9366 29.6745, 29.1683 30.6592, 32.283 31.2719)))" > > and it brings back a result where the "location" field is 41.2299,29.1345 > > I've attached a KML with the polygon and the point and you can see from > that, visually, that the point is not within the polygon. I also tried in > google maps API but after playing around realize that the polygons in maps > are draw in Euclidian space while the map itself is a Mercator projection.. > Loading the kml in earth fixes this issue but the point still lays outside > the polygon.. The distance between the edge of the polygon closes to the > point and the point itself is ~1.2 miles which is much larger than the > 1meter accuracy given by the maxDistErr (per the docs). > > Any thoughts on this? > > Thanks, > > Steve > >
