Almost all the functions in PostGIS s开发者_如何学Gotart with ST. e.g. ST_Distance_Sphere, ST_GeomFromText, ST_Intersection, etc.
I\'m using Entity Framework 4.开发者_开发技巧1 Code First and have been trying to add a field to represent a Geography column.However, the datatype DbGeography is not recognized.I\'ve found references
My application loads a collection of ~100k items (rectangles) from a map file, then builds a MX-CIF quadtree as an index for fast lookup.The quadtree is built at startup and its contents do not change
In my 2D game, I have static and dynamic objects. There can be multiple cameras. My problem: Determine objects that intersect with the current camera\'s view rectangle.
I\'m researching Umbraco for use as a base in a large CMS project, however the project calls for the SQL Server 2008 database to store spatial data against content.
How can I improve the legend of spatial raster map plot using ggplot when compared to a spplot() legend?
I\'m looking for some guidance on whether SQL Azure is a suitable platform for one-off, short-term intensive processing of a batch of SQL data. (i.e. \"crunching\" of d开发者_StackOverflow社区ata)
I\'ve been 开发者_高级运维trying to implement a spatial partitioning algorithm in my game, but both spatial hashes and quadtrees aren\'t what I\'m looking for.
I’ve got a basic SQL query that looks like: SELECT TOP 1 [geom].STBuffer(500) FROM [db].[dbo].[boundaries]
Hi I have a point cloud in my database (Sql server 2008 spatial). That is about 6 million records. There are 3 columns: id, value , geom.
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