Partitioning data points into subsets of objects according to their mutual "similarity," without using preexisting knowledge such as class labels.

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692 views

creating clusters of point data

I have a map of stores for a retailer. I am trying to form clusters (of these stores) such that each member of a cluster is at most 5km away from any other member and any non-member is at least 10 km ...
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1answer
25 views

Self organizing maps with Postgis

I am trying to plot hot regions. It's reorganizing mapping We have a table "product" with three attributes : lat log n_items: number of items that we sell I'd like to group point in one polygon ...
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20 views

Finding a common area by a set of ID variables?

I am trying to find a way to find a way to get matches of areas based on multiple sets of ID variables. I am using state-county and state-puma as an example below, but I am wishing to do this for more ...
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45 views

OpenLayers drawing features on clustered layers

I'm having problems adding and moving features on a clustered (wfs) layer. When I add a new feature all the clustered ones disappear from view. Plus much hacking needed to actually save the new ...
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90 views

Progress-bar not appearing on Leaflet-MarkerCluster

I am having problems with the progress-bar of leaflet markercluster. I am using it in a geodjango application which uses the django-leaflet app to handle the leaflet requirements. Everything works but ...
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1answer
68 views

How to better visualize features of clusters in Openlayers

I am using the cluster strategy for mapping a large number of features in Openlayers, now I would like to find a good solution for providing info about the features contained in a cluster selected by ...
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0answers
19 views

Is it possible to integrate (Cluster layer + Time slider) in ArcGIS JSAPI?

I am using ESRI suit 10.1 (ArcGIS Desktop + Server) and JSAPI 3.5/3.6 I am trying to integrate time aware data and cluster layers in single map but both are unable to display. According to web help: ...
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55 views

Creating Cluster “Zones”

I've looked at the "Questions that may already have my answer" and it didn't appear that the questions were specific to my questions. Although I am sure I am not uncovering some brand new quetsion ...
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89 views

How to use dbscan in python for gis coordinates?

I am curious how to input gis coordinates (lat long) in the http://scikit-learn.org version of dbscan for python. Thanks
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3answers
243 views

Cluster strategy, problem with labels on uncluster features - undefined

I have vector layer - WFS from GeoServer (Postgis). In the Postgis table there are some attributes e.g.: the_geom (of course), adr_adm, ... So I would like display label: adr_adm on features when they ...
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58 views

Help needed to get PINs clustered from the switch2osm.org tutorial (GeoJson)

I want to use basicly two PlugIn-Codes: for dragging with reload <http://switch2osm.org/using-tiles/getting-started-with-leaflet/> and for clustering, I wish to involve features from ...
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45 views

Clustering a number of points with the same coordinate around a central point

Is there a plugin in QGIS to randomly distribute points with the same coordinates around the coordinate? Similar to the "shift point plugin", but instead of producing a circle of points the points are ...
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22 views

How to divide my area into adjecent polygons containing 80 points each? [duplicate]

I have a couple of thousand points in my dataset. I need to create clusters that each consists of 80 points. The specific selection of which points to put into a cluster is not critical - only the ...
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65 views

Mapserver cluster group

I need to implement cluster (http://mapserver.org/development/rfc/ms-rfc-69.html) on my geojson point layer. There are several classes. How can I group the classes? E.g.: If I have 10 points within ...
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210 views

How to put markers from geoJson to MarkerClusterGroup?

How to put markers from layer WTGS (which reads geojson from php file returned from postgis database) to L.MarkerClusterGroup? WTGS = new L.geoJson(null, { pointToLayer: function ...
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395 views

Getting “pointer” cursor at mouseover for rules/symbolizers based clusters in OpenLayers

I successfully used the AnimatedCluster plugin for OpenLayers. My codes uses OpenLayers.Rules and symbolizers. How can I get a "pointer" like mouse cursor when hovering over a cluster of features? My ...
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43 views

openlayers clustering alternative

Is there some alternative to group features in OpenLayers? My goal is to speed-up the process of rendering. Clusters allow to do that a bit faster than rendering just plain features. So, any ...
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1answer
49 views

OpenLayers Clustering Adds Features to Selected Features Array on Zoom

This is my first posted question despite using StackExchange for a few years now. I've been stuck for quite some time trying to figure out this issue with OpenLayers. The problem is as follows: I ...
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3answers
117 views

Is AMEOBA ArcToolbox compatible with ArcGIS for Desktop 10.2?

Is the AMEOBA ArcToolbox compatible with ArcGIS 10.2? My error (when trying to run one of its tools) is noted below. (click to enlarge)