thank you that works.
is it possible to get the vertices in a geojson coordinate format?
i.e.
[-277, 359], [-277, 407], [-238, 407], [-238, 359], [-277, 359]
instead of
POINT(-277 359),POINT(-277 407),POINT(-238 407),POINT(-238 359)
thanks again
John
Arnd Wippermann wrote:
>
> Hi,
>
> That should it be.
>
> function findcoords (event) {
> var vertices = event.feature.geometry.getVertices();
> alert('ID:' + vertices);
> }
>
> Arnd
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected] [mailto:[email protected]] Im
> Auftrag von Jtrsmith
> Gesendet: Donnerstag, 7. Januar 2010 17:27
> An: [email protected]
> Betreff: Re: [OpenLayers-Users] Trying to draw a box on a map, and get the
> coordinates back.
>
>
> i am not sure i explained what i was looking for correctly. here is an
> example.
>
> vectors.events.register('featureadded', vectors, findcoords); function
> findcoords (feature) {
> var vertices = feature.geometry.getVertices();
> document.getElementById('output').value = 'ID:' + vertices; }
>
> the event does actually trigger, however, feature.geometry.getVertices()
> does not work.
>
> i am using geojson to display other polygons on the map, and would like
> the
> variable vertices to get the coordinates of the polygon vertices so that i
> can add a new polygon to the map and save the coordinates in a database.
>
> John
>
>
> micklesh wrote:
>>
>> Hi, John.
>> if i understood your requirements, there is an example in the docs
>> http://dev.openlayers.org/docs/files/OpenLayers/Control-js.html
>>
>> regards, michael.
>>
>> 2010/1/4 John Smith <[email protected]>
>>
>>> i just saw this post and was wondering if the solution was ever
>>> found. i am basically trying to do the same thing. I need to draw a
>>> box around an area of my map and show the coordinates in a form
>>> field, so i can post the coordinates and a description to my
>>> database.
>>>
>>> _______________________________________________
>>> Users mailing list
>>> [email protected]
>>> http://openlayers.org/mailman/listinfo/users
>>>
>>>
>>
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>>
>
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