lucene.net - SpatialQuery for location based search using Lucene -

-

My Lucene index has been indexed in areas of latitude and latitude: 

  doc .Add (new area ("latitude", latitude.Toastring (), field.store.Yes, field.inindex.IN_TOKENIZED); Doc.Add (new field ("longitude", longitude.Toastring (), field.store.Yes, field.inindex.IN_TOKENIZED);

I want to retrieve a group of documents from this index, whose length and long value are in some bounds.

As you already know, the wave may be longer and the negative value How do I correctly store decimal numbers I signed in Lusen? Do the following points give the right results or is there any other way to do this? 

  Term low latitude = new period ("latitude", border.South.ToString ()); Upper Statement of Period = New Period ("Latitude", Border Answer: Toastring ()); Reconnectivity Overview * New Rangesize (lower latitude, top, true); Address space location Add (LatitudeRange, Booleanclose.Okshur.Soul); Term longlength = new term ("longitude", border west.tostring); Upper lengeness of the period = new word ("longitude", borders .Eust.Tostring ()); Renjcontentgroundrangequeryque = new rangequita (lower sexuality, upper amounts, true); Find location location. Add (graphing range technology, boolean cloth oakur. HOLD); Besides, I wanted to know that Lange's ConstantScoreRangeQuery is better than the RangeQuery class. 
 
 There is another problem in this context: I have a document index with the following 3 cities: 
 
     
  •  
     Lions, IL 
     
     Oak Brook, IL 
     
     San Francisco, CA 
     
    •  
 
 If I give input as "Leonus, IL" then this The record comes up. But if I give San Francisco, CA as input, it does not happen. 
 
 However, if I keep cities for this document as follows: 
 
     
  •  
     San Oak Brown, IL 
     
     And when I I give Francisco, CA as input, so this record shows in the search results. 
     
    •  
 
 What do I want here if I type any of the three cities in input, then I should get this document in the search results. 
 
 Please help get it. 
 
 Thank you.

After Schoffman's suggestion, you can use the same used by all popular map apps Choose the zoom level that is adequate for your needs and do not forget the pad with the leading zero.

In relation to this, it is slower than Constantascoreanage and limits the range of values.

The problem of city-state, we can only guess. But the first thing to check is that you are expecting them to meet these indexed words and parsed queries.


Comments

Post a Comment

Popular posts from this blog

c++ - Linux and clipboard -

-
After selecting the copies of the buffer in Linux, after the text, we can click and paste the button between the mouse. I think there is a special buffer for this, I want to use it. Programming Language: C ++ Your Library: Qt Thanks. There is just one more correct answer than Paul Dixon, which answers your needs: / P > QClipboard * clipboard = QApplication :: clipboard (); CastString Selected Text = Clipboard-> Text (QClipboard :: Selection);
Read more

What is expire header and how to achive them in ASP.NET and PHP? -

-
I have examined the performance statistics of my website today. I have received a warning (or error may occur) that is given below Add Terminal Headers Here are 15 static components without a 15-futures end date * (no end) Http://www.example.com/video/css/global.css * (no time limit) http://www.example.com/video/js/global.js * (no expiration ) Http: //www.example.com/video/images/main-bg.png what it means and how to achieve it both in PHP and ASP.Net. I am on a shared hosting server, so please tell me some ways to use the code, because I can not make any modifications at the end of the server. If I expire the header, then there is no chance that if I make changes to the CSS, then the user will not be able to remove them immediately because CSS and other files have a fixed time limit (1 month, week ) Are cached for. Is Is there any harm to using PHP? $ time = time () + 3 * 24 * 60 * 60; // 3 day headings ('End:'. GMDAT ('D, D MYH: i: s \ g \ m \ t',
Read more

sql server - How can I determine which of my SQL 2005 statistics are unused? -

-
After a few years, one of my biggest databases has deposited 73 figures out of its largest tables. With Indexes, I can run many types of reports and queries, how often / heavily specific indexes are used. What is an equivalent for data? We are running SQL 2005. To make statistics automatically managed and honest, I would like to "update statistics", "create statistics" and There is no information about any management except "drop statistics" orders. In theory, UPDATE should handle the addition and removal of statistical data. In addition, I've never heard about the amount of storage or storage taking in large amounts, so I'm not sure whether there is any reason for the alarm or not. If you are seeing a potential problem, then I would suggest running an update before, if it does not clean it, it is leaving and then it appears to be safe operation (because it is the only query optimizer Is for). I will not leave "left" in the
Read more