Assembling nearby data points into groups
2
votes
1answer
170 views
Clustering not working on features in OpenLayers
I've built a mapping solution using OpenLayers that works well except I can't get the points to cluster. I've looked at the examples on the site, and I've even implemented those examples in my ...
2
votes
2answers
90 views
Remove duplicate names in FeaturePopups cluster tooltips and popups
I am using FeaturePopups control to show tooltips and popups for clusters.
I have features connected (ends of road segments) with the same names.
Is it possible to remove them from tooltips and ...
2
votes
0answers
48 views
Installing knn on PostgreSQL for windows
I am trying to install the extension KNN for clustering as an extension on my PostgreSQL database.
I have downloaded the file
http://www.pgxn.org/tag/analysis
I found instructions on how to ...
2
votes
0answers
76 views
How to cluster features based on their proximity?
I have around 500 features (Forests) that I want to cluster based on their proximity, and then work with those clusters. I only have the ID, and shape area of those features.
How can I cluster them?
2
votes
0answers
93 views
Geoserver Clustering Problems
I have problems setting up a clustered Geoserver. So far got four instances (version 2.2.4) running on a ubuntu linux box with a shared data directory behind HAProxy.
I use one of the geoservers to ...
2
votes
0answers
208 views
how to show information window for the marker cluster
This is my markercluster code :
i need information window for the markercluster icon as well as marker icon, i have another cluster.js file,
can some one please tell me how can i show the information ...
1
vote
4answers
1k views
Prevent drawing of overlapping point symbols - ArcGIS Server/Javascript API
Is there any way in ArcGIS to prevent symbols from being drawn when they overlap each other? I know this is possible for Labels using Placement Properties/Label Weight, but I can't seem to find ...
1
vote
2answers
292 views
How to use Leaflet marker clustering with image map only?
I have image map of one state, where I would like to put about 100 markers. Is it possible to use only one image map instead of CloudMade tiles Leaflet usually uses? So, I need only that image to be ...
1
vote
1answer
124 views
OpenLayers AnimatedCluster delete all features
I am using OpenLayers.Strategy.AnimatedCluster in my application in order to cluster and show points to the end-user. The example is here. All points are located in concrete vector layer. I need to ...
1
vote
1answer
91 views
openlayers cluster strategy - exhibiting custom icons for clusters of 1 feature
i have a page that displays a vector layer imported from a kml file (basically like the the sundials example). it works perfectly well, both using fixed strategy ONLY, as well as using both fixed and ...
1
vote
1answer
125 views
Server side clustering - cluster (feature) geometry
I am trying to implement server side clustering and show it using OpenLayers. I am using this good material as an example. As a clustering result, a get some list of features, some of them are ...
1
vote
1answer
472 views
Dynamically adding features with cluster strategy
I am trying to dynamically add features to a vector layer, and use cluster strategy to group those features accordingly.
I am able to do this for the first set of data that gets loaded on the map.
...
1
vote
0answers
213 views
Cloudmade Web Maps API Marker Clustering problem
I've just started learning Cloudmade Web Maps API. I'm at marker clustering, and I'm facing a strange problem; whenever I try accessing the page below, content of elements must consist of well-formed ...
1
vote
1answer
1k views
Google Maps MarkerClusterer - Remove all clusters
So, I have a PostGreSQL DB with 317 datapoints - all spatially enabled through PostGIS. I have queried this using PHP as GeoJSON and overlaid it on Google Maps (using a converting routine). I have ...
1
vote
0answers
124 views
How Do I Capture when the Cluster Rendering is Completed
I have a graphics layer that draws clusters using the sample custom cluster from ESRI. http://help.arcgis.com/en/webapi/silverlight/samples/start.htm#CustomClusterer
We have a Busy Indicator that we ...
0
votes
1answer
172 views
How to cluster kml features in OpenLayers
Is it possible to cluster KML features in OpenLayers, and are there any samples?
I can find separate samples for clusters and KML but nothing which handles both together.
Thanks
0
votes
1answer
416 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 ...
0
votes
0answers
58 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 ...
0
votes
0answers
21 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 ...
0
votes
1answer
26 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
0answers
69 views
How to use symbol center with markercluster?
Am using markercluster.js for showing cluster using img urls for cluster size
that.mcOptions = [{
height: 38,
url: "/images/search/hotels/clusterSmall.png",
...
0
votes
0answers
106 views
Generating vector data (points) for OpenLayers Animated Cluster Strategy
In my web application I am going to use OpenLayers.Strategy.AnimatedCluster strategy due to the fact that I need to visualize a great amount of point features. Here is a very good example of what it ...
0
votes
0answers
105 views
Openlayers cluster strategy: zoom to layer (WFS) extent
For some reason, when I enable the cluster strategy the zoom to layer behavior is zooming to the first cluster in the layers features array, rather than the whole layer data extent.
I tried (with no ...
0
votes
0answers
78 views
QuantumGIS or Matlab package for distribution- or density-based clustering
Does anybody know if there exists any package for either QuantumGIS or Matlab for distribution- or density-based clustering to be used with vector point data?
