I am working with shapefiles in R, one is point.shp the other is a polygon.shp. Now, I would like to intersect the points with 开发者_运维知识库the polygon, meaning that all the values from the polygo
I have (again) a problem with combining data frames in R. But this time, one is a SpatialPolygonDataFrame (SPDF)and the other one is usual data.frame (DF). The SPDF has around 1000 rows the DF only 40
I have records in a table representing bus routes, with SQL Server spatial columns for the actual route geometry. (They\'re stored in a Geography column type.)
Problem Statement: I have the following problem: There are more than a billion points in 3D space. The goal is to find the top N points which has largest number of neighbors within given distance R.
what开发者_高级运维 is a better way to store spatial data in MySQL (say tracks) internally or as references to the external flat files?MySQL has a spatial extensions to store geographic objects (objec
Is it possible to connect Oracle w开发者_JS百科ith ArcGIS for doing spatial query?Google suggests you use ArcSDE, or possible Direct Connect
I\'ve开发者_StackOverflow中文版 been using subsonic for quite a while now and I seem pretty confident about using it in my thesis. What I\'m not sure about is how will it handle geometry data types. A
I want to specify a box (i.e. 2 points) and select all the linestrings that are either within or intersect the box.
I am using zend framework with MySQL. I am using Zend_Db_Table_Abstract to run queries. I have a spatial field in a table :
I\'m writing a game in which the player may manipulate a great many objects at one time. I would like the player to be able to select objects according to the distances between them.
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