[OpenLayers-Users] Swipe

[Alexander Petkov]

On Wed, Jul 1, 2009 at 4:04 AM, floflo<florent.gravin at bluecham.net> wrote:
>
> Hi,
>
> is there a way to realise a swipe with 2 different images in openlayers in
> order to compare them ? (like in Erdas)
>
> the process of the swap is : 2 layered images (vector or raster), one no
> transparent on another, and you can change dynamicly the width of the one of
> the first ground by mouving the edge of this one with the mouse (or slider),
> letting appear the background one, in order to compare the 2 layered images.
>
> thks for any help
>
> Flo

Do you want the slider to change the transparency of the top image, or
to restrict how much of it is visible ( in terms of coordinate bounds)
at 100% opacity?

Alex