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

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1answer
48 views

Error when running cluster and outlier analysis

I am attempting to run Cluster and Outlier Analysis on a Shapefile Feature Class. The geometry type is a line feature class. I am receiving the following error when attempting to utilize this tool: ...
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1answer
106 views

How can I establish patterns, hotspots and clusters?

AS a crime analyst you need to establish a few maps that would help police to do targeted patrols, I've given data of suburbs, roads, incidents, boundaries. How can I establish patterns, hotspots and ...
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3answers
36 views

ArcGIS server 10.3 fails to add machines to the cluster “Unable to access the config store”

Trying to Apply cluster scenario for ArcGIS Server on a test environment, 2 servers Node-02 and Node-03 these 2 servers are connected to a domain controller and have administrative users on the ...
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1answer
137 views

Leaflet markerClusterGroup 'undefined is not a function'

I have to create a map with more than 5000 points from a geojson. So I would like to use markercluster plugin with Leaflet. I wrote the following code with help from the documentation and from other ...
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1answer
137 views

Convert Eps to geographic distance using DBSCAN

I am using the dbscan cluster (package fpc) in R to find clusters on a set of latitudes/longitudes coordinates. I want to find an eps distance that corresponds to a meaningful geographic distance ...
0
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3answers
1k 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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0answers
7 views

Conflict Between Regular Point Marker and Cluster Points

I have two functions ` createPoints(); and addClusters(); to create points and cluster points from JSON point values and I am switching the map presentation (Points<-->Cluster) by suing a ...
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0answers
20 views

PostGIS Clustering. Group by geographic point location proximity

I have a table where i keep user's location history. The system gets user's current location each minute and writes it into "user_locations" table. Later on; when showing the locations that the user ...
0
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1answer
16 views

How to Point Cluster With Dynamic Data In ArcGIS API

ArcGIS API is using this Demo to illustrate how Point clustering works with JSON data. In my case I am generating some point graphics from MySQL Database by a jQuery AJAX request like following code: ...
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0answers
16 views

Center PopupTemplate when using ClusterLayer

I am trying to use the below code in my application https://developers.arcgis.com/javascript/jssamples/layers_point_clustering.html. The only change I am doing is changed the height from 100% to 400px ...
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0answers
9 views

grouping feature service layers in ArcGIS viewer for flex and applying clustering, is this possible?

I have some feature service layers I want to apply clustering to, and I also want to group them, or set them up as sublayers, for example I want to group the layers by category. I haven't been able to ...
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0answers
51 views

GeoSever PointStacker Renders incorrect position

I've been trying the GeoServer Rendering Transformations - Point Stacker. According to this docs there's an optional cellSize parameter for setting the "Size of the cells in which to aggregate points, ...
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0answers
39 views

Clustering of points with count using ArcMap or ArcGIS Pro?

Does anyone know if it is possible to to something like this in ArcMap or ArcGIS Pro? That is clustering of points with count: http://www.mappetizer.de/en/examples/usa_cluster/index.html
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1answer
99 views

Openlayers 3 Cluster Strategy not projecting properly

As the title suggests, my Openlayers map is not displaying clustered points properly and I'm not sure why. My code is pretty simple and straight forward, here it is: JSfiddle: http:// ...
0
votes
1answer
87 views

Updating cluster distance in OpenLayers 3?

I have a vector layer with clustering in OL3.4: cluster = new ol.layer.Vector({ source: new ol.source.Cluster({ distance: 20, source: some_geojson }), ...
0
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0answers
29 views

Analyzing homogeneity of raster values within polygons

I've been working with raster data of NDVI for agriculture plots. I'm testing the use of descriptive statistics (e.g. range and standard deviation) to observe any variations between plots (I think ...
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0answers
81 views

Grouping Analysis (Clustering) of polygons with streets as borders in ArcGIS?

I have a question about the Grouping Analysis Tool in ArcGIS. Is it possible to use streets as spatial borders for the groups? I want to group a city district autmatically with multiple attributes, ...
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0answers
27 views

Is it possible to use Clustering in Layer list widget in ArcGIS Viewer for Flex?

I utilized Layer List widget in ArcGIS Viewer for Flex to display some layers from server. I would like to use clustering tag for each layer in the layer list. Is that possible?
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0answers
258 views

How to draw small circles within a big circle(greater radius) on the basis of marker size on google maps?

I have more than 1000 markers at different location in my Map. I read Lat and Long from a xml file and render it in Google maps and create circle over them on the basis of city name within given ...
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1answer
100 views

CartoDB: How to I cluster by features? Is it even possible?

I have a set of points for a number of buildings in NYC. I would like to group those points into clusters per their respective neighborhood (ex: Chelsea, Upper East Side etc.). Each of my points have ...
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0answers
86 views

Cluster/Group based on distance and value field

I am using ArcGIS 10.2 basic level licence. What I am trying to achieve is to group a set of points based on a value field and to their nearest neighbour. My point file has a integer field and I ...
0
votes
1answer
43 views

Creating clusters with same number of points in each in CartoDB

I have a map of about 4200 retailers and I would like to create clusters, with each cluster containing 10 retailers in CartoDB. How can I do this?
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2answers
78 views

how to make clusters from small polygons with constraint of boundary touching?

I want to make some clusters from a bunch of small polygons with the constraint that each basic unit (polygon) in the resultant cluster must share a portion of its boundary with at least one other ...
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0answers
35 views

Cluster multiple feature server

I want to cluster different servers at a time, what I mean is this I have this feature servers: ...
0
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0answers
35 views

k-NN Search with GIS dataset

I have made a k-NN search algorithm in matlab, and I want to implement it using a GIS data-set. A Google search didn't yield any good test data-sets. At this point, I have created a data-set by taking ...
0
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1answer
88 views

Create certain number of Clusters, equal sum of Z value

Divide polygons into *n* number of groups of equal counts with ArcGIS 10.2 is very similar to my question. But instead of equal number of polygons, I have multiple points (schools) with a z value ...
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0answers
200 views

K-means cluster analysis with initial centers with ArcGIS

I am trying to figure out a way to make a K means cluster analysis using initial centers for the clusters, and only classifying, no iteration, for the features in a feature class. Having a feature ...
0
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1answer
105 views

iterate over cluster in markerCluster : leaflet

i need to iterate over all clusters that are currently present in markercluster using leaflet. there's a method called markercluster.getClusters() in googlemaps to do this job. is there something ...
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0answers
158 views

Creating the Regions based on spatial clusters

I need to create areas for my shapefiles for spatial analysis for each. So I have a number of stations and I created 5 clusters based on the distance. code: Al <- ...
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votes
0answers
84 views

Would like map to be divided by region and for it to cluster markers, based on zoom level, using Google Maps Engine?

I am more of an GIS analyst than a developer and I do not have any Java / HTML coding experience. I was hoping that I could get through this using the Google Maps Engine documentation but it has ...
0
votes
1answer
108 views

SAGA Cluster Analysis for grids projection issue

I am having an issue with the SAGA cluster analysis for grids tool within QGIS 2.4. I am actually taking this as an online class through Del Mar and we are going over supervised and unsupervised ...
0
votes
0answers
85 views

Clustering on Geoserver layer appearing out of the map

We are using Geoserver and openlayers to display maps. Geosever layer provides list of sites, since there were many we did a clsutering using Styles. But the problem is when we zoom out completely ...
0
votes
1answer
127 views

Cluster numbering in openlayers

I am using openlayers 2 for making clustering on vector point data for which I am a beginner. I have installed geoserver locally via opengeo suite and using 'world_cities' dataset as an example. I ...
0
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0answers
154 views

Creating a polygon around features

I want to create a polygon around a number of points so that all the points occur within the polygon. The purpose is to do this to a number of different features and see where they overlap.
0
votes
1answer
62 views

problem labelling cluster features in openlayers

I'm trying to label a vector layer with clustered points in OpenLayers. When the feature is clustered I want to show the value of an attribute of all the features included in the cluster. I've tried ...
0
votes
0answers
34 views

Applying Spatial Clustering test using R? [duplicate]

I’m very new to R so please bear with me: I have a set of area infested by a disease (AIS) annually data and I want to apply some cluster methodology to detect regions with similar (AIS) patterns. I ...
0
votes
1answer
120 views

MYSQL 5.6 Cluster / chain points by distance to any other point without millions of calculations?

I have a table of approx 10,000 - 20,000 dynamic points across the globe stored as lon/lat points. I want to cluster any point within (roughly) 3km of any other point into one point (and return the ...
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0answers
30 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 ...
0
votes
1answer
99 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 ...
0
votes
1answer
263 views

How do i integrate Clustering into my Google Map?

How do i integrate clustering for my google map? I have found a few codes but i'm not sure how to combine both so that it won't mess up the whole site. This is my current code: <script ...
-1
votes
3answers
183 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)
-1
votes
1answer
123 views

Automatic Clustering in ArcGIS for Desktop? [closed]

Given a set of random data points on a map, I would like to cluster the data points based on number of data points in a cluster, time to travel within all the data points in the cluster,and/or number ...
-3
votes
1answer
289 views

CartoDB Point Clustering?

I need to create clusters in Cartodb. I reffered to this code https://gist.github.com/andrewxhill/8695353. I am still getting an error. <!DOCTYPE html> <html lang="en"> <head> ...