[OpenLayers-Users] Draggable (Gunsight) Control?

[Andrew Hughes]

I would have thought that draggable markers would be a better place to start
than the overview. This is very similar identical to a draggable marker
except it doesn't pan/follow the map.

On Wed, Jul 21, 2010 at 9:01 PM, Sveen Atle Frenvik (Geomatikk IKT) <
Atle.Frenvik.Sveen at geomatikk.no> wrote:

>  On 07/21/2010 01:15 PM, Andrew Hughes wrote:
>
> Hi All,
>
>  I have a unique requirement that I need help with. Perhaps this is
> something new...
>
>  Well, the fact that you need this does not mean that anyone here is
> entiteled to make it for you..
>
>
>  The best way to describe it is to look at this:
> http://www.youtube.com/watch?v=sXotq-W5HmA&feature=channel  but the
> gunsight is not always in the center, you can drag it around in the map
> viewport.
>
>  So,
> + I need a Gunsight control (which uses Map.getLonLatFromPixel() to work
> out the geographical focus of where the gun is pointing).
> + The Gunsight does not move when the map is panned/moved (it's tied to
> pixel position - not geographical)
> + The Gunsight needs to be draggable within the map view port <div> (can't
> drag outside the viewport) a non-draggable/fixed pixel position solution
> (i.e. center of map viewport) would be an unacceptable.
>
>
> I think a good starting point could be looking at the OverviewMap control,
> which uses a div placed on top of the map, and then make a control yourself
> based on somewhat the same concept.
>
> Good luck!
>
>
>  Thanks && Cheers :)
>
>
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>
>
> --
> Atle Frenvik Sveen
> Utvikler
> Geomatikk IKT AS
> tlf: 45 27 86 89atle.frenvik.sveen at geomatikk.no
>
>
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