spatial
MySQL latitude and Longitude table setup
I want to store latitude and longitude values of places in a mysql database table. With the future in mind I will want to be able to find these places within a certain radius of a specific location. H[详细]
2023-02-05 12:54 分类:问答How are Geography / Geometry Shape Area & Shape Length useful?
I recently downloaded some pre-loaded shapes of Countries & Provinces into Sql Server 2008 http://sqlsamplegeo.codeplex.com/[详细]
2023-02-04 08:11 分类:问答Which Python modules provide good foundation classes for spatial data?
I am preparing to build an application in Python that works with a lot of spatial data.I am looking for a Python module that provides a nice set of spatially-enabled classes that I can inherit from.Tw[详细]
2023-02-02 04:33 分类:问答SQL Spatial polygon inside out
I am allowing users to draw a polygon in Silverlight by clicking to draw. Then I loop through the points, convert them to longitude and latitude and then save to SQL (in a geography column).[详细]
2023-01-30 03:21 分类:问答Partition neighbor points given a euclidean distance range
Given two points P,Q and a delta, I defined the equivalence relation ~=, where P ~= Q if EuclideanDistance(P,Q) <= delta. Now, given a set S of n points, in the example S = (A, B, C, D, E, F) and n[详细]
2023-01-28 19:44 分类:问答How can I specify this SQL Index Hint on my SQL Server 2008 query?
I\'m not sure where/how I specify this SQL Spatial Index hint on my query :- SELECT Whatever FROM Table1 a[详细]
2023-01-24 21:19 分类:问答Spatial Data Structure for Games
I need to implement a spatial data structure to store rectangles then be able to find all rectangles that intersect a given rectangle. This will be implemented in JavaScript.[详细]
2023-01-24 17:36 分类:问答Analyse code for spatial and temporal locality
Hi have some question regarding spatial and temporal locality. I have read in the course theory that spatial locality[详细]
2023-01-23 04:10 分类:问答Visualizing/plotting location based on accelerometer/gyro readings over time
What\'s the easiest way to plot location track based on serie开发者_运维技巧s of reading of accelerometer/gyro/compass sensors taken over time? Let\'s say I have following data taken every second:[详细]
2023-01-22 22:35 分类:问答Spatial organisation of a group of blocks on a grid
I have a grid of cells (empty at beginning), and a collection of blocks which are rectangles or squares whose size are a multiple of a cell (for example, a block might be 2 cells by 3 cells). I won\'t[详细]
2023-01-22 13:49 分类:问答