[OpenLayers-Users] drawing a circle in openlayers

[Imran Rajjad]

hmmm .. but my calculated radius problem is still there.. though i
managed to calculate the vertices using geodetic distance



On Thu, Aug 26, 2010 at 5:20 PM, Ralph Dell <RDell at catawbacountync.gov> wrote:
> It will give you a polygon with 40 sides. While not technically a circle it works very well at looking like a circle.
>
> Ralph Dell, GISP
> GIS Dept.
> Catawba County, NC
>
>
> -----Original Message-----
> From: Imran Rajjad [mailto:rajjad at gmail.com]
> Sent: Thursday, August 26, 2010 8:16 AM
> To: Ralph Dell
> Cc: users at openlayers.org
> Subject: Re: [OpenLayers-Users] drawing a circle in openlayers
>
> hi,
>
> yea I checked this example but I`m not sure what is 40? is it a pixel
> value or some default unit.?
>
> regards,
> Imran
>
> On Thu, Aug 26, 2010 at 5:01 PM, Ralph Dell <RDell at catawbacountync.gov> wrote:
>> Have you tried the polygon control?
>>
>> // set up the polygon control, for drawing a circle
>>  polyOptions = {sides: 40};
>>  polygonControl = new OpenLayers.Control.DrawFeature(circleLayer,
>>                OpenLayers.Handler.RegularPolygon,
>>                {handlerOptions: polyOptions});
>>        map.addControl(polygonControl);
>>
>> ..
>>
>> polygonControl.handler.setOptions({radius: radiusx});
>> polygonControl.handler.activate();
>>
>> Ralph Dell
>>
>> -----Original Message-----
>> From: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org]
>> On Behalf Of Imran Rajjad
>> Sent: Thursday, August 26, 2010 7:32 AM
>> To: <users at openlayers.org>
>> Subject: [OpenLayers-Users] drawing a circle in openlayers
>>
>> Hi list,
>>
>> I`m trying to draw a circle geometry with a radius of 30m, currently
>> I`m calculating lat/long of each vertex from the centre , i was hoping
>> if this could be done through openlayers
>>
>> regards,
>> Imran
>>
>> --
>> I.R
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>
>
>
> --
> I.R
>



-- 
I.R