I have a legacy innodb table Listing containing a business with latitude/longitude.Given an input latitude/longitude (below 51.2167/4.41667), the query is to return the first active, enabled, not-dele
I have been experimenting with geography datatype lately and just love it. But I can\'t decide should i convert from my current schema, that stores latitude and longitude in two separate numeric(9,5)
I am trying to import a list of all parks in the world and data about them.I need the following information:
We have a web-based application with a mapping component (ASP.NET/SQL Server 2005, Google Maps API). The mapping component is evolving - it started out as a simple, nice-to-have feature and is gradual
I have a spatially-distributed collection of entities E stored and spatially indexed in a PostGis database.
I have implemented a simple Dijkstra\'s algorithm for finding the shortest path on an .osm map with Java.
I\'m querying for documents that are close to a location ($near and $maxDistance) and fall within a date range (an $or with a 3 sets of $gt/$lt conditions relating to dates/schedules).
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.
Is there a recommended way to make a custom query to mongodb using django nonrel? I have an entire site set up and running well, now I am just adding in some geospatial indexing and queries, and want
Given a bounding box, I would like to be able to calculate all possible latitude/longitude combinations within that box, to a certain accuracy e.g. 3 decimal places.At the moment the calculations are
加载中,请稍侯......