Re: [OSM-dev] On Zoom out markers should get combine.

2014-05-20 Thread Hardik Pancholi
Hello,


Thanks for early reply. I checked the examples of clustering markers. 



Cluster strategy threshold is the example what I want. But I am confused with 
use of vector layer. Here Points are used from vector layer class. In my 
example I am using  OpenLayers.Layer.Markers(Markers). Multiple markers are 
there on map and I want to combine them same as in cluster example. I also want 
to change the color of markers and want to show the count of markers on marker 
icon. 



In clustering example I am getting the number of markers at point, but it is 
when I do mouse over on it. I want the count when I do Zoom In or Zoom out.


Thanks
Hardik Pancholi  _  

From: Yves [mailto:yve...@gmail.com]
To: Hardik Pancholi [mailto:hardik.panch...@gatewaytechnolabs.com], 
dev@openstreetmap.org
Sent: Fri, 16 May 2014 16:54:12 +
Subject: Re: [OSM-dev] On Zoom out markers should get combine.

  Whatever lib you use for your map, the word you are looking for is 'cluster', 
like in 'clustering markers'.
  Yves
  


On 16 mai 2014 16:20:23 UTC+02:00, Hardik Pancholi 
hardik.panch...@gatewaytechnolabs.com wrote:  Hello,


I am facing one problem while showing multiple markers on map. When there are 
multiple markers at nearest location then it looks really messy. 


I want to show nearest markers as single marker and also want to show the 
number on that single maker, so I can know how many points are there.  This 
should done on basis of zoom level. 


If I do zoom in then number of nearest markers count should decrease. On 
maximum zoom out number of nearest points should increase and it should be 
visible as single marker with count on marker.


Thanks
Hardik Pancholi 



  _  


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Re: [OSM-dev] On Zoom out markers should get combine.

2014-05-20 Thread Pierre Béland
Hardik

There are various OpenLayer classes to add markers over the map. The Vector 
class is more recent and more flexible then the Marker class.  You should find 
cluster openlayers cluster examples on internet. searching for openlayers osgeo 
stylemap strategy cluster  new OpenLayers.Strategy

There is also a discussion group for OpenLayers users at 
http://lists.osgeo.org/pipermail/openlayers-users where you should find better 
answers related to OpenLayers.

These examples should show you how to define a strategy with a particular 
function to control the styleMap. You can for example group specifiying a 
distance. You can control the size of the marker based on the number of points. 
You can also replace with various icons.

See for example this discussion : 
http://www.feedpopular.com/openlayers-cluster-strategy-different-styles.html
and this presentation 
http://presentations.opengeo.org/2009_FOSS4G/ol_vector_mayhem.pdf
 

Pierre 




 De : Hardik Pancholi hardik.panch...@gatewaytechnolabs.com
À : Yves yve...@gmail.com; dev@openstreetmap.org 
Envoyé le : Mardi 20 mai 2014 2h48
Objet : Re: [OSM-dev] On Zoom out markers should get combine.
 


Hello,

Thanks for early reply. I checked the examples of clustering markers. 

Cluster strategy threshold is the example what I want. But I am confused with 
use of vector layer. Here Points are used from vector layer class. In my 
example I am using  OpenLayers.Layer.Markers(Markers). Multiple markers are 
there on map and I want to combine them same as in cluster example. I also want 
to change the color of markers and want to show the count of markers on marker 
icon. 

In clustering example I am getting the number of markers at point, but it is 
when I do mouse over on it. I want the count when I do Zoom In or Zoom out.

Thanks
Hardik Pancholi


From: Yves [mailto:yve...@gmail.com]
To: Hardik Pancholi [mailto:hardik.panch...@gatewaytechnolabs.com], 
dev@openstreetmap.org
Sent: Fri, 16 May 2014 16:54:12 +
Subject: Re: [OSM-dev] On Zoom out markers should get combine.

Whatever lib you use for your map, the word you are looking for is 'cluster', 
like in 'clustering markers'.
Yves



On 16 mai 2014 16:20:23 UTC+02:00, Hardik Pancholi 
hardik.panch...@gatewaytechnolabs.com wrote:
Hello,


I am facing one problem while showing multiple markers on map. When there are 
multiple markers at nearest location then it looks really messy. 


I want to show nearest markers as single marker and also want to show the 
number on that single maker, so I can know how many points are there.  This 
should done on basis of zoom level. 


If I do zoom in then number of nearest markers count should decrease. On 
maximum zoom out number of nearest points should increase and it should be 
visible as single marker with count on marker.


Thanks
Hardik Pancholi 


dev mailing list
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https://lists.openstreetmap.org/listinfo/dev

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[OSM-dev] On Zoom out markers should get combine.

2014-05-16 Thread Hardik Pancholi
Hello,


I am facing one problem while showing multiple markers on map. When there are 
multiple markers at nearest location then it looks really messy. 


I want to show nearest markers as single marker and also want to show the 
number on that single maker, so I can know how many points are there.  This 
should done on basis of zoom level. 


If I do zoom in then number of nearest markers count should decrease. On 
maximum zoom out number of nearest points should increase and it should be 
visible as single marker with count on marker.


Thanks
Hardik Pancholi ___
dev mailing list
dev@openstreetmap.org
https://lists.openstreetmap.org/listinfo/dev


Re: [OSM-dev] On Zoom out markers should get combine.

2014-05-16 Thread Yves
Whatever lib you use for your map, the word you are looking for is 'cluster', 
like in 'clustering markers'.
Yves


On 16 mai 2014 16:20:23 UTC+02:00, Hardik Pancholi 
hardik.panch...@gatewaytechnolabs.com wrote:
Hello,


I am facing one problem while showing multiple markers on map. When
there are multiple markers at nearest location then it looks really
messy. 


I want to show nearest markers as single marker and also want to show
the number on that single maker, so I can know how many points are
there.  This should done on basis of zoom level. 


If I do zoom in then number of nearest markers count should decrease.
On maximum zoom out number of nearest points should increase and it
should be visible as single marker with count on marker.


Thanks
Hardik Pancholi 



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