[OpenLayers-Users] Re ctangle (box-like) drawing tool?
frankc
frank78 at gmail.com
Sun Oct 21 14:36:16 EDT 2007
Hi,
Could anyone help me with the code for the previous author mentioned?
I am new to openlayers and have been trying all morning to draw a box on a
map. I first tried the boxing via a box handler but could not get any
farther.
If it is any help, here is what I currently have & does not render
correctly: http://idyllico.com/frank/cfm/drag-feature2.html .
- FC
Schuyler Erle-2 wrote:
>
>> Handler.Box will allow you to draw a div (like the zoombox does):
>>
>> http://openlayers.org/dev/examples/custom-control.html
>>
>> Hold shift and drag.
>>
>> Right now, it doesn't stick. You could take the points from the
>> Handler.Box (in a custom control) and cause it to create a vector
>> feature, or a Marker.Box, depending on what you're looking for.
>
> Just to amplify this, the "up" callback on Control.Box will call your
> callback function with an OpenLayers.Bounds object containing the pixel
> corners of the box on the map container element. You can use
> map.getLonLatFromPixel() to convert the corners to OpenLayers.LonLat
> pairs, and then create Marker.Box objects using them, and add the Box
> object to a Layer.Box. If you wind up with questions, let us know.
>
> SDE
>
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>
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