Hello, Today I try to realise a "trigger" for my LayerSwitcher. Something like "onLayerClick" or so.
I want to start a function if I select/unselect a layer in the Layerswitcher. In my Layerswitcher I have a Layer. If I select this Layer, then I want to set the opacity from all other layers to 50%. If I unselect the Layer the opacity should change again to not transparent. I think I need a trigger function for that layer. If I select some Layer I would fire a function. I think it would be possible, but I don't know how to realise. Perhaps somebody can help me. Or is there something like this already in OpenLayers what I have not found? Thank you for your help. Greetings Hanno Rahn
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