You're computing the distance from the locations you've put in your index to 0,0. Why 0,0? Wouldn't you want to provide a point at query time?
On Tue, Apr 8, 2014 at 7:41 AM, Aman Tandon <amantandon...@gmail.com> wrote: > In this case of *query 2* as mentioned in previous mail, there will be > distance calculation using *distance:geodist(0,0,**latlon)* as it will > take the default lat and lon values , so how it can return the variable d > istance. > > With Regards > Aman Tandon > > > On Tue, Apr 8, 2014 at 5:06 PM, Aman Tandon <amantandon...@gmail.com>wrote: > >> Hi Sir, >> >> * >> Scenario*: >> I have to return the distances for every city search so I make these >> configurations as described below. >> >> *solrconfig.xml: * >> My request handler is "im.search" and its defaults are >> >> <lst name="defaults"> >> <str name="echoParams">none</str> >> <str name="wt">json</str> >> <str name="rows">20</str> >> <str name="lat">0</str> >> <str name="lon">0</str> >> >> </lst> >> >> <str name="fl">title,city,state,distance:geodist($lat,$lon,latlon)</str> >> >> >> *schema.xml: * >> >> <fieldType name="latlongtype" class="solr.LatLonType" >> subFieldSuffix="_coordinate"/> >> >> >> <field name="latlon" type="latlongtype" indexed="true" stored="true" >> required="false" multiValued="false" /> >> >> >> *query 1: * >> >> *http://localhost:8020/solr/search1/select/?q=bags&qt=im.search&ps=1&group.limit=1&spellcheck=true&lat=23.26667&lon=77.4&boost=recip(geodist(23.26667,77.4,latlon),13.97,12000,5000)&facet.query=city >> <http://localhost:8020/solr/search1/select/?q=bags&qt=im.search&ps=1&group.limit=1&spellcheck=true&lat=23.26667&lon=77.4&boost=recip(geodist(23.26667,77.4,latlon),13.97,12000,5000)&facet.query=city>:"bhopal"* >> >> *Results:* >> { >> "title":"Colored Gift Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908}, >> { >> "title":"Paper Carry Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908}, >> { >> "title":"Handmade Paper Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908}, >> { >> "title":"Bulk Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908}, >> { >> "title":"Filter Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908}, >> { >> "title":"HDPE Woven Bags", >> "city":"Indore", >> "state":"Madhya Pradesh", >> "distance":171.58415508651908 >> } >> >> which is fine for all the distance calculation >> >> *query 2:* >> *http://localhost:8020/solr/search1/select/?q=bags&qt=im.search&ps=1&group.limit=1&spellcheck=true >> <http://localhost:8020/solr/search1/select/?q=bags&qt=im.search&ps=1&group.limit=1&spellcheck=true>* >> >> *Results:* >> { >> "title":"PVC Transparent Bags", >> "city":"Ghaziabad", >> "state":"Uttar Pradesh", >> "distance":8783.780020683036}, >> { >> "title":"Sand Bags", >> "city":"Bharuch", >> "state":"Gujarat", >> "distance":8251.412123848868}, >> { >> "title":"Carry Bags", >> "city":"Mumbai", >> "state":"Maharashtra", >> "distance":8211.624964681945}, >> { >> "title":"Shoulder Bags", >> "city":"Mumbai", >> "state":"Maharashtra", >> "distance":8211.624964681945}, >> { >> "title":"Valve Type Bags", >> "city":"Bharuch", >> "state":"Gujarat", >> "distance":8251.412123848868}, >> { >> "title":"Laptop Bags", >> "city":"Delhi", >> "state":"Delhi", >> "distance":8762.7634687622}, >> { >> "title":"Jute Bags", >> "city":"Ghaziabad", >> "state":"Uttar Pradesh", >> "distance":8783.780020683036 >> } >> >> But in this case i am getting the variable distance which is not >> understandable that how and using which area coordinate, it is calculating >> the distance, because i think it must be some constant in this case. >> >> With Regards >> Aman Tandon >> >> >> On Mon, Apr 7, 2014 at 8:09 PM, david.w.smi...@gmail.com < >> david.w.smi...@gmail.com> wrote: >> >>> Hi, >>> >>> I'm not sure why you are asking or maybe I'm not getting what you >>> *really* >>> want to know. You'll get the geodesic distance (i.e. the "great circle >>> distance", the distance on the surface of a sphere) from 0,0 (off the >>> coast >>> of Africa), to each point indexed in your "location" field. >>> >>> ~ David >>> >>> >>> >>> On Mon, Apr 7, 2014 at 7:06 AM, Aman Tandon <amantandon...@gmail.com> >>> wrote: >>> >>> > Hello, >>> > >>> > In my index, i am using the LatlonType, for using the geodist to >>> calculate >>> > the distance, and i am using it like geodist(lat, lon, location). Can >>> > anybody told me what value the geodist will return if i will pass >>> > geodist(0, 0, location) >>> > >>> > Thanks >>> > Aman Tandon >>> > >>> >> >> >
