spatial-index

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Implementations of spatial indexes in Haskell?

Are there any good implementations of spatial indexes in Haskell such as R-tree, kd-tree,开发者_如何学Python etc...The only implementations I\'m aware of are the spacepart package, which seems to be i[详细]

2023-04-02 06:37 分类：问答
cycling through folders creating a spatial index

I\'ve created a script to create a spatial index of all rasters and it worked fine when run in a single directory but when I tried to ammend it to run on subdirectories as part of an os.walk it starte[详细]

2023-03-29 11:58 分类：问答
Approximate, incremental nearest-neighbour algorithm for moving bodies

Bounty This question raises several issues. The bounty will go to an answer which addresses them holistically.[详细]

2023-03-23 15:02 分类：问答
Spatial index/query (finding k nearest points)

I have +10k points (latitude, longitude) and I\'m building an app that shows you the k nearest points to a user\'s location.[详细]

2023-03-06 04:07 分类：问答
Spatial Index in MySQL - ERROR - Cannot get geometry object from data you send to the GEOMETRY field

I am new to the whole \'spatial index\' thing, but it seems to be the best solution for filtering based on latitude/longitude. So I added a column to my table:[详细]

2023-03-03 03:30 分类：问答
How do I create a spatial index in SQL Server Management Studio 2008?

I have 开发者_运维知识库a table with 3 columns, PrimaryKey(int), latitude(decimal 9,6) and longitude(decimal 9,6).[详细]

2023-02-27 03:22 分类：问答
k nearest neighbors query in 3-space

I have a data set stored in database table that includes a position in 3-space.I need to retrieve the k nearest neighbors in an efficient manner.My datastore does not include native spacial indexes fo[详细]

2023-02-20 00:36 分类：问答
Complex MySQL join from old table to new

I have an old database named locations with a table inside named locations. This table has 7 variables: id (int, index), approved(int), city(text), country(text), heading(double), lat(double), lng(do[详细]

2023-02-11 09:01 分类：问答
What is the R*-Tree algorithm? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently a开发者_Go百科ccepting answers.[详细]

2023-02-04 08:36 分类：问答
Benefits of nearest neighbor search with Morton-order?

While working on the simulation of particle interactions, I stumbled across grid indexing in Morton-order (Z-order)(Wikipedia link) which is regarded to provide an efficient nearest neighbor cell sear[详细]

2023-01-26 19:40 分类：问答