Questions tagged [partition]

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2answers
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Unite several polygons that share boundaries in QGIS

My study zone is in the middle of two geologic maps with two different shp files. Is it possible to remove the boundaries of the polygons between these two maps that are created at the union of ...
4
votes
1answer
969 views

python cluster Points with DBSCAN keeping into account Polygon boundaries

I have a GeoPandas dataframe called geo containing: 431978 unique spatial Points representing all households in a city. 112737 Polygons representing all the premises (panden) in a city dataframe ...
3
votes
0answers
72 views

Constructing contiguous regions with similar properties by graph partitioning

I have census data for census output areas. Each area is a geographical region. I would like to partition these areas into contiguous super-regions with similar properties. For example, in each area ...
1
vote
1answer
133 views

Partition an area into polygons so that each polygon will contain at least one point of each type

This question is similar to Create polygons from point dataset, where each polygon contains 3 points from the dataset, and in particular my problem is actually described in this comment to that ...
0
votes
1answer
494 views

Using table partitioning with PostGIS?

I'm trying to implement a standard table partitioning scheme in postgres but I end up with this error. Using postgres 9.4 and postgis 2.1 on centos 7 Tables: create table experiments ( id ...
9
votes
1answer
371 views

How do I Spatially Partition a whole lot of points?

I have location data of customers, with over 130 million records, spread all across the country. This is a Spatial Table in PostGIS I want to now partition the entire country into 'service areas', ...