[OpenLayers-Users] How to draw a arrow with openlayer?

[杨华杰]

Hi Imran

Thanks for your reply. I believe a lot people have the same questions. Why
this feature is not released.


Regards,
Hua Jie


On Wed, Jan 23, 2013 at 10:28 PM, Imran Rajjad <rajjad at gmail.com> wrote:

> Hi,
>
> you can make a feature whose geometry is a GeometryCollection, this
> collection can contain a line and a point grouped into one geometry then
> you can use the below mentioned style to draw an arrow with your line
>
>
> {
> strokeColor: "#00688B",
>     fillColor: "#00688B",
>     fillOpacity : 1.0,
>     strokeWidth: 2,
>     strokeOpacity : 0.9,
>     pointRadius: 6,
>     graphicName :"triangle",
>     rotation :angle
> }
>
> remember to compute the angle before setting this .. you should be able to
> calculate angle between start and end point of your line segment.. and also
> the position of point geometry which will be drawn as triage with given
> rotation angle..
>
> Hope I got my point through..
>
> regards,
> Imran
>
> On Wed, Jan 23, 2013 at 7:11 PM, 杨华杰 <yhjhoo at gmail.com> wrote:
>
>> Hi Alexandre
>>
>> Thank you, I will try this.
>>
>>
>> Regards,
>> Hua Jie
>>
>>
>> On Wed, Jan 23, 2013 at 10:01 PM, Alexandre Dubé <adube at mapgears.com>wrote:
>>
>>>  Hi Hua Jie,
>>>
>>> You could try to define your own arrow symbol.  There's one defined
>>> [here], see line 1 :
>>>   OpenLayers.Renderer.symbol.arrow = [0,2, 1,0, 2,2, 1,0, 0,2]
>>>
>>>    I haven't tried it, but it could do the trick.
>>>
>>> HTH,
>>>
>>> Alexandre
>>>
>>> [here]
>>> http://code.google.com/p/rep-olnet/source/browse/trunk/Direction.js?r=61
>>>
>>>
>>>
>>> On 13-01-23 07:09 AM, 杨华杰 wrote:
>>>
>>> Hi
>>>
>>>  As the title
>>>
>>>  I know how to draw a line, dot, polygon. But my customer need some
>>> directions on the map
>>>
>>>
>>>  Regards,
>>> Hua Jie
>>>
>>>
>>> _______________________________________________
>>> Users mailing listUsers at lists.osgeo.orghttp://lists.osgeo.org/mailman/listinfo/openlayers-users
>>>
>>>
>>>
>>> --
>>> Alexandre Dubé
>>> Mapgearswww.mapgears.com
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>>>
>>>
>>
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>>
>
>
> --
> I.R
>
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